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1
Mutakin, Akmal Athallah, and Nur Azizah komara Rifai. "Diagram Kendali Decision On Belief (DOB) dan Diagram Kendali Progressive Mean (PM) dalam Pengendalian Kualitas Produksi Kayu Lapis di PT. XYZ." Bandung Conference Series: Statistics 3, no. 2 (July 29, 2023): 176–83. http://dx.doi.org/10.29313/bcss.v3i2.7791.
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Abstract. The rapid development of Science and Technology (IPTEK) in the digital age has caused competition in several sectors of the economy to increase, this makes companies required to produce quality products. In a production, the quality of a product needs to be controlled so that it always meets the targets set by the company. Statistical quality control is needed to detect as early as possible any problems in a production. Control charts are often used to control statistical quality control in a production process. Variable control diagrams are usually used when the quality characteristics can be measured using the same unit, which is different from the variable control charts, attribute control charts are usually used when the data is in the form of proportions. Several statistical quality control chart methods used to control product quality are the Decision On Belief (DOB), Cumulative SUM (CUSUM), Exponentially Weighted Moving Average (EWMA) and Progressive Mean (PM) control chart methods. In this study, we will look at the performance comparison of the Decision On Belief (DOB) control chart with the Progressive Mean (PM) control chart applied to defective product data on plywood production at PT. XYZ in September 2021. After comparing the two control charts, it is concluded that the Decision On Belief (DOB) control chart is a control chart that is better and faster in detecting data that is out of control or is in an out of control state.
Abstrak. Semakin pesatnya perkembangan Ilmu dan Teknologi (IPTEK) di era digital, menyebabkan persaingan di beberapa sektor perekonomian mengalami kenaikan, hal tersebut membuat perusahaan dituntut untuk menghasilkan produk yang berkualitas. Dalam suatu produksi, kualitas dari suatu produk perlu dikendalikan agar selalu sesuai dengan target yang telah ditetapkan oleh perusahaan. Pengendalian kualitas statistik sangat diperlukan guna mendeteksi sedini mungkin adanya permasalahan dari suatu produksi. Diagram kendali sering digunakan untuk mengontrol pengendalian kualitas statistika dalam suatu proses produksi. Diagram kendali variabel biasa digunakan apabila karakteristik kualitasnya dapat diukur menggunakan satuan yang sama berbeda dengan diagram kendali variabel, diagram kendali atribut biasa digunakan apabila datanya berbentuk proporsi. Beberapa metode diagram pengendali kualitas statistik yang digunakan dalam mengontrol kualitas produk adalah metode diagram kendali Decision On Belief (DOB), Cumulative SUM (CUSUM), Exponentially Weighted Moving Average (EWMA) dan diagram kendali Progressive Mean (PM). Pada penelitian ini akan dilihat perbandingan performa dari diagram kendali Decision On Belief (DOB) dengan diagram kendali Progressive Mean (PM) yang diterapkan pada data produk cacat produksi kayu lapis di PT. XYZ bulan September 2021. Setelah membandingkan kedua diagram kendali tersebut diperoleh kesimpulan bahwa diagram kendali Decision On Belief (DOB) merupakan diagram kendali yang lebih baik dan lebih cepat dalam mendeteksi adanya data yang tidak terkendali atau berada dalam keadaan out of control.
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Pujiana, Dwi Harti, Mustafid Mustafid, and Di Asih I. Maruddani. "DIAGRAM KONTROL MULTIVARIAT np DAN DIAGRAM KONTROL JARAK CHI-SQUARE DALAM PENGENDALIAN KUALITAS PRODUK KAIN DENIM (Studi Kasus di PT Apac Inti Corpora)." Jurnal Gaussian 7, no. 4 (November 30, 2018): 385–96. http://dx.doi.org/10.14710/j.gauss.v7i4.28866.
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Denim fabric sort number 78032 is one type of fabric in the last 4 years almost every month produced by PT Apac Inti Corpora. In the continuity of denim fabric production process, there are data defects (non-conformity) that causes the quality of denim fabric decreases. To maintain the consistency of the quality of products produced in accordance with the specified specifications, it is necessary to control the quality of the production process that has been running for this. Multivariate control charts attributes used are multivariate control charts np using the number of samples and the proportion of disability data with correlation between variables while the chi-square distance control charts use squared distances with uncorrelated data between variables. The results showed that in the multivariate control chart np there were 2 out-of-control observations in the phase II data using control limits from phase I data already controlled by the value of BKA of 636321.4. While in the chi-square distance control chart showed all observations are in in-control condition with BKA value of 0.06536. Controlled production process obtained multivariate process capability value for multivariate control np diagram of 0.625142 <1 which means the process is not capable, while the value of process capability in the chi-square distance control chart is 1.1329> 1 which means the process is capable. Keywords: denim fabric, multivariate np control chart, chi-square distance control chart, multivariate process capability
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Ilmi, Nurul, Amelia Anggi Syafitri, and Sadiq Ardo Wibowo. "Analisis Pengendalian Kualitas pada Proses Assembly Dengan Menggunakan Metode Statistical Process Control (SPC) di PT XXX Batam." Journal of Industrial Innovation and Safety Engineering (JINSENG) 1, no. 2 (July 18, 2023): 73–82. http://dx.doi.org/10.35718/jinseng.v1i2.871.
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PT XXX Batam adalah suatu perusahaan jasa yang bergerak pada bidang wire harness dan assembly elektronik. Dalam kegiatan produksinya, ditemukan masalah yang berhubungan dengan kualitas produk. Proses perakitan dalam aktivitasnya selalu mengalami kecacatan produk yang sulit untuk diidentifikasi. Metode Statistical Process Control digunakan untuk menganalisa serta mengidentifikasi dari permasalahan yang diteliti. Metode ini sangat membantu dalam mendapatkan informasi, dapat diketahui jika hasil dari identifikasi dari sebuah masalah sangat berpengaruh terhadap proses produksi, maka dapat segera melakukan perbaikan dengan melihat data yang ada sebagai bahan pengukuran untuk kedepannya. Teknik pengendalian kualitas ini dibantu dengan 7 alat yaitu check sheet, pareto charts, histogram, cause and effect diagrams, scatter diagrams, flow diagram, dan control chart. Dari hasil analisis yang didapat dari peta kendali menunjukkan bahwa proses berada dalam keadaan terkendali. Hasil yang telah didapatkan melalui diagram pareto, dapat diketahui bahwa tindakan yang harus lebih banyak perbaikannya yaitu pada hontai patah (28%) dan hontai tergores (27%).
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Chie, Ho Hwi, Januar Nasution, Ketut Gita Ayu, Nike Septivani, and Yualfin Renaldi. "Porcelain Product Quality Analysis in PT XYZ." ComTech: Computer, Mathematics and Engineering Applications 6, no. 4 (December 1, 2015): 580. http://dx.doi.org/10.21512/comtech.v6i4.2195.
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PT. XYZ is a company engaged in manufacturing porcelain dinner ware such as plates, cups, teapot, bowl, etc Porcelain product is safe for use and product defect will only affect the aesthetic not the functional side. The company always maintain the quality of the products produced as by maintaining a good product, in terms of visuals, will keep customers interested in the product. Good quality products characterized by quality A / B and C, and the product defect characterized by the quality of D, Lost, and BU. Concepts and methods used to analyze is a statistical process control (SPC) which includes Pareto diagram, fraction nonconformities, flow charts and fishbone diagrams and management tools (fault tree analysis). Statistical Process Control (SPC) is one of the methods, which includes Pareto charts, fraction nonconformities, flow chart, and fishbone diagram and also management tools (fault tree analysis). SPC is useful to find the facts from the problems and factors that affect the quality of the products, while fault tree analysis is useful to analyze each of the production process.
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Salma, Jihan, and Resi Juariah Susanto. "The Quality Control Analysis Using Statistical Quality Control (SQC) Methods in Reducing Defective Muslim Clothing Products on CV. Mawaheejra." Banking and Management Review 12, no. 1 (January 23, 2024): 18–28. http://dx.doi.org/10.52250/bmr.v12i1.732.
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Introduction/Main Objectives: This study determines the quality control of CV. Mawaheejra, determine the factors causing product defects and the application of Statistical Quality Control (SQC) methods. Background Problems: CV. Mawaheejra has carried out control but the quality control is not optimal because of poor quality and errors often occur in the production process which causes product defects that not comply with the quality standards. Research Methods: This study uses a quantitative method. It carried data collection techniques through observation, interviews, documentation, and literature studies. Data analysis using Statistical Quality Control (SQC) methods of flowcharts, check sheets, Pareto charts, control charts, and fishbone diagrams. Finding/Results: Based on the results of research with check sheet aids found four types of defects. In the Pareto chart found the highest number of product disability percentage of 38.47%. From the control chart result, it found deviations because of the U control chart there are three points that exceed UCL and two points that exceed LCL. From the fishbone diagram, there are five factors that are most prominently caused by human and machine factors. Conclusion: Based on the results of the analysis, the company must conduct supervision of employees and machine maintenance to reduce product defects.
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Pramono, Y. B., S. Mulyani, S. B. M. Abduh, B. Dwiloka, E. S. Mustikowati, S. A. Zahro, and F. I. N. Susanto. "Implementation of Statistical Quality Control (SQC) As a Quality Damage Control for Crepes Products in the Indonesian Food Industry." IOP Conference Series: Earth and Environmental Science 1246, no. 1 (September 1, 2023): 012048. http://dx.doi.org/10.1088/1755-1315/1246/1/012048.
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Abstract Snacks like crepes are fragile and have a dry texture. This study aims to identify the root causes of defective products, examine how SQC procedures were applied, decide how to reduce the number of defective products, and take efforts to raise product quality. Data collection is the first step in the research procedure, then comes data processing. The SQC method consists of check sheets, histograms, Pareto diagrams, p-control charts, and fishbone charts. Pareto diagrams were used to assess the results of the crepes product quality, which included flaky tip, size, and crushed flaws. The numbers reported on the check sheet for each defect were 156, 99, and 37 units, respectively. The fishbone diagram displays the factors that contribute to defects, including people, machines, materials, methods, and the environment. The upper control limit is 0.523, the lower control limit is 0.126, and the centre line of the p-control chart is 0.324. Because of fluctuations outside the control region, it may be inferred from this research that the production process for crepe products is not under control. Offering workers on-the-job training to equalize skill levels is one of the strategies to reduce product damage.
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McBean, Sam. "Feminist diagrams." Feminist Theory 22, no. 2 (February 23, 2021): 206–25. http://dx.doi.org/10.1177/1464700121997182.
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On 4 January 1971, Ti-Grace Atkinson delivered a talk entitled ‘Strategy and Tactics: A Presentation of Political Lesbianism’. The talk was later published in her collected essays, Amazon Odyssey. The essay contains thirty-five diagrams: ten ‘Strategy Charts’, three ‘Tactical Charts’ and twenty-two ‘Tactical-Strategy Charts’, which map a strategy of the ‘Oppressor’ (men) and the tactics that the ‘Oppressed’ (women) might develop to lead to a revolution – lesbians, significantly, are the ‘Buffer Zone’ between these two classes. In the only reference I have managed to find to these diagrams, they are referred to as ‘crazy’. This article re-visits these diagrams, exploring the role of the diagram in how Atkinson attempts to map patriarchal relations and also imagine a feminist revolution. Taking Atkinson’s diagrams as a starting point, the article then uses them to begin to narrate a genealogy of the diagram in feminist theory, exploring a diagrammatic imaginary that is an often-used but rarely discussed tactic in feminist writing. Finally, the article opens out to consider how this history of feminist diagrams might be a precursor to more contemporary feminist data visualisations.
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Nur Ramadlan, Wildan, and Teti Sofia Yanti. "Diagram Kendali Poisson Progressive Mean (PPM) dalam Pengendalian Kualitas Produksi Kemasan Minyak Goreng di PT. XY." Bandung Conference Series: Statistics 3, no. 2 (August 3, 2023): 773–79. http://dx.doi.org/10.29313/bcss.v3i2.9390.
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Abstract. In the current modern era, the need for quality products has become an important criterion for consumers when purchasing a product, as the increasing competition in a product market demands companies to produce high-quality products. Quality control is necessary in the production process. Process capability is a quality control technique aimed at estimating the capability of a production process. Statistical quality control can be achieved using control charts, which are diagrams that represent observations of a production process over a specific period of time with Upper Control Limits (UCL) and Lower Control Limits (LCL) that define the pattern of dispersion. Control charts are used to quickly identify products experiencing defects. Control charts are divided into two types: attribute and variable. Attribute control charts are used for discrete data types, such as the number of defects in a product. In real-life situations, there are many cases where monitoring statistical control processes involves attribute data derived from quality characteristics that cannot be measured numerically or quantitatively. To address this type of data, there is a method used for monitoring Poisson processes called the Progressive Mean Attribute Poisson Control Chart (PPM). This research was conducted to examine how much and how quickly the detection of defective products occurred in the production of packaged cooking oil at PT. XY in 2017 using the PPM control chart. After analyzing the PPM control chart, it was concluded that the performance of this control chart was good because it could detect a significant number of data points that were out of control or in an unstable state.
Abstrak. Di era modern saat ini, kebutuhan akan produk yang berkualitas menjadi ukuran penting bagi konsumen dalam membeli sebuah produk, karena semakin banyaknya persaingan pada suatu produk membuat perusahaan diminta untuk menghasilkan suau produk yang berkualitas. Pengendalian kualitas perlu dilakukan dalam suatu proses produksi. Kapabilitas proses merupakan sebuah teknik pengendalian kualitas yang bertujuan untuk memperkirakan kemampuan suatu proses produksi. Pegendalian kulitas secara statistik yang dapat digunakan yaitu diagram kendali, diagram kendali merupakan suatu diagram yang menggambarkan pengamatan suatu prosess produksi dalam periode waktu tertentu dengan Batas Kendali Atas (BKA) dan Batas Kendali Bawah (BKB) yang mengatur pola penyebaran. Diagram kendali ini dilakukan dengan tujuan dapat mengidentifikasi secepat mungkin pada produk yang mengalami kerusakan. Diagram kendali dibagi menjadi dua jenis yaitu atribut dan variabel, diagram kendali atribut digunakan untuk tipe data diskrit seperti jumlah kerusakan pada suatu produk. Dalam kehidupan nyata, ada banyak situasi di mana pemantauan proses pengendalian statistik melibatkan data atribut yang berasal dari karakteristik kualitas yang tidak dapat diukur secara numerik atau kuantitatif. Untuk mengatasi jenis data tersebut, terdapat metode yang dapat digunakan untuk pemantauan proses poisson yang disebut diagram kendali atribut Poisson progressive Mean (PPM). Penilitian ini dilakukan untuk melihat seberapa cepat mendeteksi proses produk cacat pada produksi kemasan minyak goreng di PT. XY 2017. Setelah melakukan analisis pada diagram kendali PPM ini diperoleh kesimpulan bahwa kinerja pada diagram kendali ini sudah baik karena dapat mendeteksi banyaknya data yang out of control atau dalam keadaan tidak terkendali.
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Tundo, Tundo, and Andi Saidah. "PELATIHAN PENGGUNAAN E-DRAW MAX UNTUK MEMBUAT DESAIN SISTEM." KAMI MENGABDI 3, no. 1 (June 21, 2023): 17–23. http://dx.doi.org/10.52447/km.v3i1.6801.
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Edraw Max is a 2D business technical diagram software that helps create flowcharts, organization charts, mind maps, network diagrams, floor plans, workflow diagrams, business charts and Engineering diagrams, flowcharts, graphs and mappings, besides E- Draw Max is also a vector-based diagramming software, which is usually used to make it easier to make a design. One of them is the design of a production process system in a factory that can use this application. In this training, the E-Draw Max tools will focus on making Data Flow Diagrams (DFD), which are useful for describing the flow of the created system, which consists of Context Diagrams, Level Diagrams, and Level n Diagrams. Data Flow Diagram (DFD) is a diagram that describes the flow of data from a process or information system. In DFD, there is information related to the input and output of each of these processes. DFD also has various functions, such as conveying system design, describing systems, and designing models. This training was held at the ITS NU Pekalongan Institute of Computer Technology. The purpose of this training is to help ITS NU Pekalongan S1 Computer Technology students in making system designs, specifically designing Data Flow Diagrams (DFD) using E-Draw Max tools to make it easier for students to make the flow of the system made in this case DFD on production process in Industry.
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Singh, Gurpreet, and Rasbir Singh. "Generation of test cases using UML models." INTERNATIONAL JOURNAL OF COMPUTERS & TECHNOLOGY 13, no. 7 (July 30, 2014): 4671–74. http://dx.doi.org/10.24297/ijct.v13i7.2511.
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Software Testing plays an important role in Software development because it can minimize the development cost. UML is widely used in the software development, there consists of the designing and coding of the software. Designing phase is done with the help of the UML models, which consists of the sequence diagrams, activity diagrams, use case diagrams, state chart diagrams etc. After designing of the system, the next task is coding. Since the software development is time and human resource consuming, the reduction of consumption is done with the help of the code generation automatically. This work mainly focus on the UML sequence diagram and state chart diagram as the model. We Propose a Technique for Test Case Generation using UML Models. UML models give a lot of  information that should not be ignored in testing. An innovative approach of generating test cases from the combination of UML design diagrams has been discussed in this paper. Present work used an approach where sequence diagram and state chart diagram has been used to generate test cases. The test cases thus generated are suitable for dynamic testing of system.
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Pop, Maria T. "Updating the Nomographical Diagrams for Dimensioning the Beams." Civil and Environmental Engineering 11, no. 2 (December 1, 2015): 110–14. http://dx.doi.org/10.1515/cee-2015-0014.
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Abstract In order to reduce the time period needed for structures design it is strongly recommended to use nomographical diagrams. The base for formation and updating the nomographical diagrams, stands on the charts presented by different technical publications. The updated charts use the same algorithm and calculation elements as the former diagrams in accordance to the latest prescriptions and European standards. The result consists in a chart, having the same properties, similar with the nomogragraphical diagrams already in us. As a general conclusion, even in our days, the nomographical diagrams are very easy to use. Taking into consideration the value of the moment it’s easy to find out the necessary reinforcement area and vice-verse, having the reinforcement area you can find out the capable moment. It still remains a useful opportunity for pre-sizing and designs the reinforced concrete sections.
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Fitria, Tira Nur. "Students’ preparation in IELTS Writing Task 1: How to write a summary of visual information." LingTera 11, no. 1 (April 29, 2024): 39–55. http://dx.doi.org/10.21831/lt.v11i1.59520.
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The International English Language Testing System (IELTS) Writing Task 1 is used to test participants' ability to select and report main ideas, describe and compare data, identify trends in factual information, or describe a process. This research describes the types of questions in IELTS Writing Task 1 and how to write a summary of visual information usually in the form of a graph, chart, or diagram in IELTS Writing Task 1. This research uses a descriptive qualitative approach. The analysis shows that IELTS Academic Writing Task 1 emphasizes graph interpretation and analysis. In this activity, verbal proficiency must be multiplied by the ability to comprehend and represent information as graphs (graphicacy). The provided information may be directly reflective of what we see (as in pictures or drawings) or more abstract, such as spatial (maps, plans, and diagrams) or numerical (charts, graphs, and tables) information (as in tables and graphs. There are several types of IELTS Writing Task 1, for example, pie charts, bar charts, bar graphs, line graphs, tables, maps, diagram processes, line and bar charts, also pie and bar charts. Each form of data visualization has its way of describing it. To complete the IELTS Writing Task 1, participants are required to write a minimum of 150 words of writing or an essay. We can divide the number of words into 3 paragraphs (introduction, body, and conclusion) to make it easier to write an essay according to the data presented. The IELTS Writing Task 1 can be fairly challenging, particularly if we have not prepared. Overcoming these challenges requires good preparation, consistent practice, and a deep understanding of the IELTS format, structure, and requirements.
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Elbaeva, A. D., and A. D. Elbaev. "CONTROL - MEASURING PREDICTION OF GLYCEMIC LEVEL IN DIABETES MELLITUS AND ARTERIAL HYPERTENSION." Quality. Innovation. Education, no. 4 (2022): 51–59. http://dx.doi.org/10.31145/1999-513x-2022-4-51-59.
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The current direction of medicine is the prediction of blood pressure disorders and carbohydrate metabolism in risk groups. Early diagnosis of blood pressure variability and blood glucose levels in patients with arterial hypertension and type 2 diabetes mellitus contributes to the implementation of preventive measures. The aim of the work is to develop a method for predicting blood glucose levels in patients with arterial hypertension and type 2 diabetes mellitus. Control-measuring diagrams of statistical controllability of the process (Shewhart's control charts) were built. They characterize the prediction of sample values of parameters measured sequentially at certain intervals of time. For the current control of the obtained measurements, two control charts were used: X-chart (observation chart) and R-chart (range chart). With the help of control charts, the stability of blood pressure readings and the level of glycaemia, which correspond to the standards and control lines of the interval (±3σ), and measurement errors that go beyond the control lines, were established. The construction of control and measurement charts can be used for the practical determination of blood pressure and carbohydrate metabolism disorders during the examination of patients, which indicates the prognostic orientation of the proposed research methodology.
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Sentosa, Bayu, Nawari Nawari, and Sa’abdillah Abas. "ANALISIS PENGENDALIAN KUALITAS PRODUK DENGAN STATISTICAL QUALITY CONTROL (SQC) PADA PT EVERAGE VALVES METALS CABANG LAMONGAN." HUMANIS: Jurnal Ilmu-Ilmu Sosial dan Humaniora 13, no. 2 (July 31, 2021): 173–78. http://dx.doi.org/10.52166/humanis.v13i2.2483.
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This study aims to determine the types of damage, the factors that cause damage, and whether product quality control at PT. Ever Age Valves Metals Lamongan Branch is still within the limits of control or not. Data collection techniques was done by direct observation and interviews. In the data processing of this research used the Statistical Quality Control (SQC) methods, those are checking sheets, pareto diagrams, cause and effect diagrams, and control charts . The results of this study indicated that the types of damage are boncel body, tepos body, body hole, porous body, broken handlebar, and broken hat. From the causal diagram it could be seen the factors that cause damage, namely humans, raw materials, methods, and tools. On the using of the p control chart showed that the product quality control process had still in the outside of control limit because there are still 7 points that are outside the quality control limit, those are in March, April, June, July, August, September, and November, thus it showed that the control process of product quality had not been implemented well.
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Lenawati, Mei, Dimas Setiawan, and Whisnu Rindra Kurniawan. "Menentukan Prioritas Audit Sistem dan Teknologi Informasi Berdasarkan Root Cause Analysis Menggunakan Pareto Chart dan Fishbone." Fountain of Informatics Journal 8, no. 1 (May 9, 2023): 15–20. http://dx.doi.org/10.21111/fij.v8i1.9440.
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AbstrakEvaluasi merupakan salah satu rangkaian kegiatan dalam metodologi pengembangan sistem atau aplikasi yang seharusnya dilakukan setelah sistem atau aplikasi yang dibangun digunakan oleh pengguna, salah satu kegiatan yang dapat dilakukan untuk melakukan evaluasi terhadap sistem yaitu dengan melakukan kegiatan audit. Audit dilakukan tidak hanya untuk melakukan evaluasi apakah sistem tersebut sudah sesuai dengan prosedur dan mampu menjaga keamanan informasi, tetapi yang tidak kalah penting yaitu mengevaluasi dampak atau value apa saja yang didapat oleh organisasi dari penggunaan sistem tersebut, apakah perusahaan akan mendapatkan value atau malah mendapatkan kerugian. Penelitian ini berfokus pada hasil dari audit yaitu laporan yang didalamnya memberikan rekomendasi untuk menentukan prioritas audit berdasarkan hasil dari Root cause analysis dengan menggunakan dua tools yaitu Pareto chart dan Fishbone diagram. Setelah menerapkan dua metode tersebut dalam penelitian ini, menurut peneliti gabungan pareto chart dan fishbone diagram lebih tepat diterapkan pada audit berbasis risiko yang mendapati temuan dengan tingkat risiko high atau diatsnya lebih dari lima temuan, sehingga akan memudahkan dalam menetukan prioritas audit yang nantinya bisa dijadikan dasar audit annual planning. Saran dari peneliti untuk penelitian selanjutnya bisa mencoba menggabungkan Pareto Chart dan Relation diagram.Kata kunci: audit sistem, teknologi informasi, Root cause analysis, pareto chart, Fishbone AbstractDetermining System Audit Priority And Information Technology Based On Root Cause Analysis Using Pareto Chart And Fishbone. Evaluation is one of a series of activities in the system or application development methodology that should be carried out after the system or application built is used by the user, one of the activities that can be carried out to evaluate the system is by conducting audit activities. An audit is carried out not only to evaluate whether the system is in accordance with procedures and is able to maintain information security, but what is no less important is to evaluate what impact or value the organization gets from using the system, whether the company will get value or even get a loss. This study focuses on the results of audits, namely reports which provide recommendations for determining audit priorities based on the results of root cause analysis using two tools, namely Pareto charts and Fishbone diagrams. After applying these two methods in this study, according to the combined researchers, the pareto chart and fishbone diagram are more appropriate for risk-based audits that find findings with a high risk level or above more than five findings, so that it will make it easier to determine audit priorities which can later be used as a basis annual planning audits. Suggestions from researchers for further research can try to combine Pareto Charts and Relation diagrams.Keywords: system audit, information technology, Root cause analysis, pareto chart, Fishbone
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Novoselova, Olga, and Anton Sidorov. "Integration of Descriptions of Static Structures at Automation of Design Tasks." MATEC Web of Conferences 346 (2021): 03065. http://dx.doi.org/10.1051/matecconf/202134603065.
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This paper investigates the process of integrating descriptions of static structures in the form of charts and specifications at the stage of conceptual modeling of automated systems, that are developed to solve design tasks. In the process of creating an automated system based on the methodology for automating intellectual labor (MAIL), models of design tasks are formed: initial, conceptual, infological and datalogical. The conceptual model describes the system of concepts of the subject area. The description of conceptual model representation includes specifications and charts: for a static component - F1 and F2, the chart of conceptual structure; for a dynamic component - F3 and F4, the chart depicting a system of subject dependences; F6 and the matrix chart showing the model as a whole including static and dynamic components coordination. The features of constructing diagrams and forming specifications in the formation of a conceptual structure are studied, on the basis of which the method and technique to integrate descriptions of static components for the system of concepts of the subject area are determined. The article is given the integration of descriptions in the form of diagrams and specifications for the static components of conceptual model representations.
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Малышева, А. К., and А. М. Абдуллаева. "SELECTING AN EFFECTIVE SOFTWARE PRODUCT FOR SCHEDULING A STRATEGIC PROFILE OF A COMPANY." Proceedings in Cybernetics 23, no. 1 (2024): 47–53. http://dx.doi.org/10.35266/1999-7604-2024-1-6.
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Management as well as the use of software for scheduling the project company’s strategy are vital components of an organization’s economic sustainability. When working on a project, modern managers frequently employ visual aids such as task diagrams. The Gantt chart is a highly effective type of diagrams. Many project companies now include software products for designing Gantt charts as a key tool in their technical scope. The article presents the results of a study using the Choice («Vybor») decision support system. Thomas Saaty’s mathematical method of analytic hierarchy process implies the selection of the most favorable choice in decision-making. Using the analytic artifi cial intelligence system, the choices were ranged in a form of software products for building Gaant charts, and the most effective software decision was selected.
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Yusufu, Munina, Hai Jun Zhang, Gulina Yusufu, Zhan Dong Liu, Pen Cheng, and Dilidaer Dilisati. "Modeling and Analysis of Complex System with UML: A Case Study." Applied Mechanics and Materials 513-517 (February 2014): 1346–51. http://dx.doi.org/10.4028/www.scientific.net/amm.513-517.1346.
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The Unified Modeling Language - UML - is the most used specification language, and the way the world models not only application structure, behavior, and architecture, but also business process and data structure. In this paper, we aim to demonstrate a system development methodology by generating the UML diagrams from the requirements of the Automatic Banking Machine (ABM) System and discuss their relationships, differences and suitability. The high-level requirements of the system are specified by using use-case diagram, activity diagram, state chart diagram, collaboration diagram, sequence diagram, and component diagram, and the low-level requirements of each component using class diagrams. We briefly introduce each diagram, their usage, their advantages and some limitations, and then we discuss the relationships and differences between two or more diagrams, and suitability for modeling the different parts of the system.
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Sastro, Gerry, Mitha Hudriyah, and Dewi Purnama Sari. "ANALISIS PENGENDALIAN KUALITAS CELANA OLAHRAGA DENGAN MENGGUNAKAN METODE STATISTICAL QUALITY CONTROL (SQC) PADA PT. SAMI GRUP PUTRYANS." STATMAT : JURNAL STATISTIKA DAN MATEMATIKA 5, no. 1 (January 31, 2023): 1–12. http://dx.doi.org/10.32493/sm.v5i1.24024.
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The purpose of this study was to determine the level of damage that occurred and also to determine the factors that cause damage to the production. By using statistical aids in the form of check sheets, p control charts, histograms, and cause and effect diagrams. Starting with a check sheet to collect data to make it more neat and structured, the next step is to enter the data into histogram form to make it easier to present the data, then calculate using a p control chart to find out whether the damage is still within the control limits or not, then make a cause and effect diagram. to find out what factors cause damage to PT. Sami Putrians Group. The results of the analysis show that the damage is outside the control limits, this is shown in the results of the calculation of the damage with the criteria of dirty materials and missed stitches which still have points that are outside the UCL limit. The cause-and-effect diagram gives results regarding the factors that cause the most dominant damage, namely humans due to lack of thoroughness, lack of skills, lack of motivation, lack of firmness and lack of discipline, the second cause is material caused by the material used is below standard, the third is the environment because the environment is lacking comfortable and lack of lighting, the last is the engine factor because it is not carried out routine and appropriate maintenance on the machine used.Keywords: Check sheet, Diagram, Control chart.
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Rochman, Fauzi, and Jajang Bayu Kelana. "PEMBELAJARAN PEMAHAMAN MENGENAI DIAGRAM BATANG PADA SISWA SD KELAS IV MELALUI MODEL PROJECT BASED LEARNING." COLLASE (Creative of Learning Students Elementary Education) 5, no. 4 (July 17, 2022): 795–801. http://dx.doi.org/10.22460/collase.v5i4.5744.
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This research is motivated by the importance of statistical materials, especially bar charts, which are studied in grade 4 SD in everyday life and as a provision for the ability to face the 21st century. This study aims to describe the learning of the 4th-grade students' understanding of bar charts using the Project-Based Learning (PjBL) model. The research method used in this research is a descriptive qualitative method. The sample of this study was grade 4 students of SD Mutiara Bunda, totaling 24 people. The research instruments used in this study were questions, questionnaires, observation sheets, and interview results. Data analysis was carried out quantitatively to determine students' understanding of the bar chart after going through the learning process using the PjBL model. Analyze questionnaires, observation sheets, and interview results to determine the responses of teachers and students and the implementation of PjBL in bar chart learning. Based on the research results obtained: students' understanding of the bar chart using the PjBL model is in a good category and the response and implementation of the PjBL model to understand this bar chart are in a very good category.
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Pelawi, Dewan. "Pembuatan Sistem Informasi dengan Analisis dan Perancangan Berorientasi Objek." ComTech: Computer, Mathematics and Engineering Applications 3, no. 2 (December 1, 2012): 740. http://dx.doi.org/10.21512/comtech.v3i2.2303.
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Analysis of business processes by observing the existing system is the main issue to produce information systems according to the needs of the company. Any search of problem solutions when doing business process is performed by a system approach. Object Oriented Analysis and Design (OOAD) is one of the methods currently used to build information systems. The method includes the building of activity diagrams, event table, class diagram, usecase diagrams, usecase description, state chart diagrams, deployment and software architecture, first-cut design class diagram, simple sequence diagram (SSD), sequence diagram (first-cut, view layer, data access layer), communication diagram, updated design class diagram, package diagram, persistent object, and user interface. The results obtained after performing all phases of the method is an information system based on the needs of companies that is expected to improve the performance and effectiveness of the company's business processes and support the business goals.
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Richards, Clive, and Yuri Engelhardt. "The DNA of information design for charts and diagrams." Information Design Journal 25, no. 3 (December 31, 2019): 277–92. http://dx.doi.org/10.1075/idj.25.3.05ric.
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Abstract A comprehensive framework is presented for analyzing and specifying an extensive range of visualizations, such as statistical charts, maps, family trees, Venn diagrams, flow charts, texts using indenting, technical drawings and scientific illustrations. This paper describes how the fundamental ‘DNA’ building blocks of visual encoding and composition can be combined into ‘visualization patterns’ that specify these and other types of visualizations. We offer different ways of specifying each visualization pattern, including through a DNA tree diagram and through a rigorously systematic natural language sentence. Using this framework, a design tool is proposed for exploring visualization design options.
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Roziana, Evi Ramadhani, and Samsul Anwar. "ANALISIS GANGGUAN LISTRIK DI PLTU NAGAN RAYA MENGGUNAKAN DIAGRAM KENDALI EXPONENTIALLY WEIGHTED MOVING AVERAGE DAN DECISION ON BELIEF." Interval : Jurnal Ilmiah Matematika 2, no. 2 (December 9, 2022): 104–17. http://dx.doi.org/10.33751/interval.v2i2.6515.
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Electricity production quality can be measured and controlled using statistical methods, namely control charts. Exponentially Weighted Moving Average (EWMA) control chart analyzes the state of quality control system using attribute and variable data, whereas Decision On Belief (DOB) control chart uses univariate attribute data. Monthly data on electricity disturbances counts at PLTU Nagan Raya, Aceh during 2018-2020 is used in this study. Shutdown losses of 326 times was the most common type of disturbance at PLTU Nagan Raya during this period. Factors that affect disturbances are material, methods, environment, equipment, and human error. Using the EWMA control chart, there was one point below the lower control limit, i.e. at point 3; whereas there were two points below the lower control limits at points 2 and 3 when DOB control chart is used. This shows that the power disturbance data at PLTU Nagan Raya have not been statistically controlled. Using the Fisher exact test, a p-value of 1 shows that there was no significant difference between the EWMA and DOB control charts in detecting data outside the control limits. The ARL EWMA value of 2.2539 means that on average, EWMA control chart can detect the first uncontrollable condition at point 2.2539.
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Sintari, Made Nita. "Hospital’s Performance with Malcolm Baldrige Method." Journal of Public Health Research and Community Health Development 3, no. 2 (February 29, 2020): 108. http://dx.doi.org/10.20473/jphrecode.v3i2.13419.
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Background: Malcolm Baldrige method has been widely used to assess institutional performance. However, data obtained from the assessment are still visualized in the form of tables. This kind of visualization for rendering data is less interesting and makes readers difficult to interpret the data. Aims: This study presented some recommendations for data visualization in various forms, such as charts and diagrams to facilitate data interpretation. Methods: This study utilized Microsoft Excel 2007 software to create charts. The data used as an example for analysis was the performance assessment using Malcolm Baldrige method at Muhammadiyah Gresik Hospital in June 2012. Results: The results of this study reported that by using Malcolm Baldrige method, the data could be visualized in forms of bar charts, radar charts, and pie charts. Conclusion: To conclude, performance assessment can be visualized not only in tables but also charts and diagram that have a more visual presentation.Keywords: Charts, performance, Malcolm Baldrige, visualization
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Aziz, Muchammad Rif'an, Moh Jufriyanto, and Hidayat Hidayat. "Analysis Quality Control In Rice Packing Projects To Reduce Defects Using Methods Statistical Quality Control (SQC)." Jurnal Sains dan Teknologi Industri 20, no. 2 (March 23, 2023): 800. http://dx.doi.org/10.24014/sitekin.v20i2.22147.
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The industry is growing rapidly, indirectly forcing business actors to pay attention to the quality of the goods they produce during the production process. Companies must maintain the quality of their products because quality affects how satisfied customers are with a product. PT. XYZ is a company engaged in steel construction and fabrication. The problems that often occur are defects such as Overlap welding defects, Porosity welding defects, and unavoidable Cutting process defects. This study aims to determine the level of damage, identify the factors that cause damage and recommend corrective actions. Statistical quality control methods are used to identify the causes of defects in the production process, with statistical tools including: check sheets, histograms, Pareto charts, Control Chart diagrams, and fishbone diagrams. The results showed that product damage or defects were within reasonable limits but corrective action was needed to reduce defects. It can be seen from the Pareto diagram that the Overlap welding defects are 37.5% more than all product defects. Proposed improvements that need to be implemented by the company are cleaning the material before welding, performing treatment on the welding wire according to the Quality Control department's recommendations, checking the machine's stability before use and carrying out machine maintenance once a week.
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Amanda Belia, Fairuza, and Suliadi Suliadi. "Diagram Kendali Triple Homogeneously Weighted Moving Average dan Penerapannya pada Proses Plating Aksesori Mobil PT. XYZ." Bandung Conference Series: Statistics 3, no. 2 (August 2, 2023): 621–27. http://dx.doi.org/10.29313/bcss.v3i2.8892.
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Abstract. Quality control is carried out to maintain or improve product quality to meet consumer satisfaction. One of the methods that can be used is control chart. Triple Homogeneously Weighted Moving Average (THWMA) is one of the control chart techniques that can be used in quality control. The Triple Homogeneosly Weighted Moving Average control chart is a control chart for efficient monitoring of the process average under zero state and steady state which is very sensitive in identifying small and continuous changes in the process effectively and using three times sample information. THWMA control is considered superior to the previously existing Homogeneosly Weighted Moving Average (HWMA) and Double Homogeneosly Weighted Moving Average (DHWMA) control charts and from other competitors. In our thesis we will apply a THWMA control chart to monitor the plating process of PT. XYZ. The results obtained in Phase I of the in control chart, so that the parameter values used in Phase II are of 10.691 dan of 0.67. Phase II control chart using K = 2.994 and λ = 0.25, it is found that the THWMA control chart is controlled.
Abstract. Quality control is carried out to maintain or improve product quality to meet consumer satisfaction. One of the methods that can be used is control chart. Triple Homogeneously Weighted Moving Average (THWMA) is one of the control chart techniques that can be used in quality control. The Triple Homogeneosly Weighted Moving Average control chart is a control chart for efficient monitoring of the process average under zero state and steady state which is very sensitive in identifying small and continuous changes in the process effectively and using three times sample information. THWMA control is considered superior to the previously existing Homogeneosly Weighted Moving Average (HWMA) and Double Homogeneosly Weighted Moving Average (DHWMA) control charts and from other competitors. In our thesis we will apply a THWMA control chart to monitor the plating process of PT. XYZ. The results obtained in Phase I of the in control chart, so that the parameter values used in Phase II are of 10.691 dan of 0.67. Phase II control chart using K = 2.994 and λ = 0.25, it is found that the THWMA control chart is controlled.
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Mulyani, Heni, and Ajang Mulyadi. "Model Sistem Informasi Manajemen Pembiayaan Pendidikan Untuk Meningkatkan Akuntabilitas Laporan Keuangan Sekolah Pada Sekolah Menengah Kejuruan di Kota Bandung." JURNAL PENDIDIKAN AKUNTANSI & KEUANGAN 6, no. 1 (January 19, 2018): 29. http://dx.doi.org/10.17509/jpak.v6i1.15829.
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AbstractThis study aims to design an education management information system in Vocational High School in Bandung to improve the accountability of school financial reports. The method used in this research is Research and Develpoment (R & D). The stages in research and development (R & D) in this study operationally consist of: 1) Research and data collection; 2) Planning; 3) Model Development; 4) Model Validation; 5) Model Revision; 6) Model Trial; 7) Model Revision; 8) Wider Testing; and 9) Final Model Revisions. From the results of data collection carried out through interviews and documentary review, an overview was obtained of the existing condition of the education management information system in the Vocational School. System design begins with system analysis using the PIECES framework (Performance, Information, Economic, Control, Efficiency, Service), \\ then needs analysis, designing system flow charts, context diagrams, Data Flow Diagrams (DFD), Entity Relationship Diagrams ( ERD), and interface design. Keywords. management information system; financial information system; education financing AbstrakPenelitian ini bertujuan untuk merancang sistem informasi manajemen pembiayaan pendidikan di Sekolah Menengah Kejuruan di Kota bandung untuk meningkatkan akuntabilitas laporan keuangan sekolah.. Metode yang digunakan dalam penelitian ini adalah metode penelitian dan pengembangan atau Research and Develpoment (R & D). Tahapan dalam penelitian dan pengembangan (R&D) dalam penelitian ini secara operasional terdiri dari: 1) Penelitian dan pengumpulan data; 2) Perencanaan; 3) Pengembangan Model ; 4) Validasi Model ; 5) Revisi Model ; 6) Uji Coba Model; 7) Revisi Model; 8) Uji Coba Lebih Luas; dan 9) Revisi Model Akhir. Dari hasil pengumpulan data yang dilakukan melalui wawancara dan telaah dokumentas, diperoleh gambaran tentang existing condition sistem informasi manajemen pendidikan di SMK. Perancangan sistem diawali dengan analisis sistem dengan menggunakan kerangka PIECES (Performance, Information, Economic, Control, Efficiency, Service), \\selanjutnya dilakukan analisis kebutuhan, merancang flow chart sistem, diagram konteks, Data Flow Diagram (DFD), Entity Relationship Diagram (ERD), dan rancangan antarmuka. Kata Kunci. sistem informai manajemen; sistem informasi keuangan; pembiayaan pendidikan.
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AHMAD, RAHMAWATY, RESMAWAN RESMAWAN, and DEWI RAHMAWATY ISA. "ANALISIS STATISTICAL QUALITY CONTROL DALAM UPAYA MENGURANGI JUMLAH PRODUK CACAT DI PABRIK ROTI THE LI NO’U BAKERY." Jambura Journal of Probability and Statistics 1, no. 1 (May 30, 2020): 24–36. http://dx.doi.org/10.34312/jjps.v1i1.4578.
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Quality control is a technical and management activity which measures the quality characteristics of a product or service. Statistical quality control can be used to find production errors that result in defective products so that further corrective action can be taken to overcome them. The objective to be achieved in this research is to determine the Statistical Quality Control (SQC) method with pareto diagrams, control charts, cause and effect diagrams and 5W+1H analysis applied to The Li No'u Bakery in controlling quality to minimize failed products. The data in this study were obtained through direct observation and field interviews. Data analysis tools used are control charts, pareto diagrams, cause and effect diagrams and 5W + 1H analysis. Through a cause and effect diagram, the main factors causing the failure of bakery products at The Li No'u Bakery are manufacturers/employees. This is because the operator fails in making bakery products both the preparation of raw materials, the production process and packaging. So training is needed on making the dough, how to put bread and how to covenant and employee order according to the standard of The Li No'u Bakery.
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Gupta, K., and P. Goyal. "Implementation of Test Suites using Enhanced State Chart Diagrams: A Case Study." Journal of Scientific Research 15, no. 3 (August 16, 2023): 637–49. http://dx.doi.org/10.3329/jsr.v15i3.63787.
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An essential part of software engineering is testing. A series of pre-testing tasks should be completed before performing testing tasks. Implementing test suites is one of the pre-testing phases. In this work, a case study has been used to implement the suggested method for implementing test suites. The strategy is based on an analysis of UML (Unified Modelling Language) enhanced state chart diagrams (SCDs). UML state chart diagram analysis, AD (activity diagram) conversion into a graph, AG (activity graph) simplification, and test suite implementation are all steps in the generating process.
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Mr. Imtiaz Ali, Dr. Amir Zaman, and Dr. Abdul Ghaffar. "Multiple Representations: A Descriptive Analysis in Chemistry." sjesr 3, no. 1 (May 16, 2020): 178–85. http://dx.doi.org/10.36902/sjesr-vol3-iss1-2020(178-185).
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Teachers sketch diagrams and use other representations as a portion of systematic inquiry in science. This study was consist of a qualitative paradigm that examined the five students’ perceptions of teachers’ instructional strategies with multiple representations in the learning of chemistry. The purposive sampling techniques were used to collect data from 5 students using interview protocol in a natural environment. The audio tapped data were transcribed by the researcher and found that the teacher use of diagram is an interesting activity, teacher draw diagram for imparting the knowledge, uses relevant diagram, lecture-demonstration method is used, using charts graphs and models, assessment is done through conducting test and using questions.
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Tikhonova, I. V., Yu E. Titova, A. E. Gvozdev, and E. V. Ageev. "THE USE OF PARETO DIAGRAMS TO ANALYZE THE QUALITY OF TEACHING IN HIGHER EDUCATION." Proceedings of the Southwest State University 21, no. 5 (October 28, 2017): 27–37. http://dx.doi.org/10.21869/2223-1560-2017-21-5-27-37.
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Professionals in the field of analysis of quality systems is widely known for the Pareto principle and the corresponding graphs showing the contribution of private reasons in the overall picture of the functioning of the system. Pareto chart and the associated cumulative Lorenz curve are used to illustrate the dominant alternatives in terms of their total number. The reason for the popularity of Pareto charts lies in the objectively obvious visibility of the apparatus when nagoricino the analysis of functioning of complex systems. The aim of this work was to determine the possibility of using Pareto analysis to identify the causes that affect the quality of the students in the learning process of knowledge. Students were asked to analyze their own learning with the use of Pareto charts the results of activities and causes. In the first stage, the students in the scoring books expected average score in all disciplines, included in the above blocks. The obtained information was used to build the Pareto chart of learning outcomes. In the second phase, the students formulated a list of the most probable reasons for low (or high enough) progress on the most problematic unit, previously identified and evaluated the significance of each reason on a 100-point system. Addressing the identified causes of failure the student can't and requires improvement of the curriculum, and improving logistical support of the educational process. Pareto analysis, successfully used industrialized countries in assessing the quality of products, efficient and at the analysis of quality performance as well as allows to reveal problem places of the educational process.
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Grigoryev, A. V., and V. A. Komarov. "Forecasting of parametric reliability of technological equipment units by output accuracy parameters." Traktory i sel hozmashiny 80, no. 8 (August 15, 2013): 51–53. http://dx.doi.org/10.17816/0321-4443-65799.
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Diagrams of forecasting and reliability margin of technological equipment as well as diagram of parametric failure on accuracy index are presented. The algorithm is developed and its flow chart for parametric reliability forecasting by the Monte-Carlo method is formed.
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Parfentsevа, N. О., and H. V. Holubova. "Statistical Methods for Quality Control: A Tool for Data Analysis in the Statistica Package." Statistics of Ukraine 100, no. 1 (March 31, 2023): 9–26. http://dx.doi.org/10.31767/su.1(100)2023.01.02.
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The article substantiates the applicability of statistical methods for product quality assessment, analysis of production processes, business processes, etc. The notion “quality” is characterized and its properties are defined: suitability, operational efficiency, appropriate content, etc. It is highlighted that the State Standard of Ukraine is a national body for standardization, metrology and certification, which defines and approves the quality standardization system in accordance with the international standards Guidance on statistical techniques for ISO 9001:2000.
The focus is made on the main methods for quality control, which are considered the most relevant and most widely used. The application of seven quality control methods is described in detail: Control Sheets, Pareto Diagram, Stratification, Histogram, Scatter Diagram, Cause and Effect Diagram, Control Chart.
It is substantiated that in a digitalized economy with large scopes of accumulated information, the use of statistical data processing packages is an indisputable tool for analysts. Using statistical quality control methods implemented in the Statistica package, the authors conducted research on simulated data and constructed appropriate graphs and charts. Pareto diagram is designed for ranking the factors with impact on a production process or product quality. The stratification method allows for performing a variance analysis, to determine each factor’s effect on the result.
The main advantage of the histogram method is its visibility and simplicity for analyzing the homogeneity of a distribution and checking for normality. Scatter diagrams allow one to evaluate the correlation strength and make graphical descriptions of the dependence between production factors, reveal the impact of a factor characteristic on the resulting one, etc. The Ishikawa’s cause-and-effect diagram provides a tool for arranging the factors with effect on the production process. The use of control charts makes enables for analyzing the production process in dynamics.
It is emphasized that the described quality control methods can be applied in any sequence, production cycle or combination: altogether or as separate analytical tools. Based on the results of the study, the main challenges faced now by business analysts are summed up: the mastery of statistical tools and computer data processing for making effective management decisions.
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Mendoza Guimarães, Guilherme, Juliano Santos Finck, and Francisco Fernando Noronha Marcuzzo. "CONSTRUÇÃO DE DIAGRAMAS UNIFILARES DA REDE HIDROMETEOROLÓGICA NACIONAL E DE APROVEITAMENTOS HIDRELÉTRICOS DAS SUB-BACIAS 85 A 88, NA BACIA HIDROGRÁFICA DO ATLÂNTICO – TRECHO SUDESTE / SINGLE-LINE DIAGRAM DEVELOPMENT OF NATIONAL HYDROMETEOROLOGICAL NETWORK AND OF HYDROPOWER DAMS IN SUB-BASINS 85 TO 88 IN THE ATLANTIC WATHERSHED – SOUTHESTERN PORTION." Geographia Meridionalis 3, no. 3 (January 9, 2018): 276. http://dx.doi.org/10.15210/gm.v3i3.11392.
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Diagramas unifilares são métodos de organização sistemáticos que consistem na construção de esquemas de dados em cursos d’água, nos quais são locados tanto as estações em operação, as desativadas e os barramentos na bacia, visando um mais claro entendimento de informações de estações da rede hidrometeorológica e de barramentos disponíveis em uma bacia hidrográfica. O objetivo deste trabalho foi propor um modelo de diagrama unifilar, utilizando o mapeamento das informações de interesse hidrológico das sub-bacias 85, 86, 87 e a porção brasileira da sub-bacia 88 (Bacia Hidrográfica do Atlântico – Trecho Sudeste), englobando parte do estado do Rio Grande do Sul. Assim, colocaram-se as principais informações de interesse para estudos sobre recursos hídricos. O estudo foi descritivo a fim de fornecer informações do organograma básico de funcionamento dos principais rios através de SIG, servindo como base para diversos tipos de estudo, como a regionalização de vazões. Entre os principais rios das sub-bacias estão: Rio Piratini, Rio Camaquã, Rio Jaguarão, Rio dos Sinos, Rio Gravataí. Confeccionaram-se 14 partes de diagramas unifilares para a sub-bacia 85; 10 partes para sub-bacia 86; 16 partes para a sub-bacia 87; e 5 partes para a sub-bacia 88.Abstract:Single-line diagrams are systematic methods of organization that consist of the development of data schemes for streams, in which the hydropower dams and hydrological stations, both in operation and deactivated, are located, aiming for a better knowledge of information from the national hydrometeorological network and hydropower dams available in a watershed. The aim of this paper was to propose a single-line diagram model using digital mapping information of hydrological interest for the sub-basins 85, 86, 87 and on the Brazilian section of sub-basin 88 (Atlantic watershed, or basin 8, – southeast section), encompassing the state of Rio Grande do Sul, managing the synthesis of major information of hydrological interest for studies on water resources. This study was descriptive in order to provide basic chart information of the dynamic of main rivers and it is the foundation for many types of studies using GIS, such as regionalization of flow rates. Among the majors rivers of the sub-basins are: Piratini River, Camaquã River, Jaguarão River, Gravataí River. The sub-basin 85 has fourteen pieces of single-line diagram; the sub-basin 86 has ten; the sub-basin 87 has sixteen; and the sub-basin 88 has five pieces of single-line diagram.Keywords: Single-Line Diagrams; National Hydrometeorological Network; Data Consistency; Geographic Information System; South Atlantic Watershed.
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Luz, Saturnino, and Masood Masoodian. "A comparison of linear and mosaic diagrams for set visualization." Information Visualization 18, no. 3 (February 7, 2018): 297–310. http://dx.doi.org/10.1177/1473871618754343.
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Linear diagrams have been shown to compare favourably to better known forms of set visualization, such as Venn and Euler diagrams, in supporting non-interactive assessment of set relationships. Recent studies that compared several variants of linear diagrams have demonstrated that users perform best at tasks involving identification of intersections, disjointness and subsets when using a horizontally drawn linear diagram with thin lines representing sets and employing vertical lines as guide lines. The essential visual task the user needs to perform in order to interpret this kind of diagram is vertical alignment of parallel lines and detection of overlaps. Space-filling mosaic diagrams which support this same visual task have been used in other applications, such as the visualization of schedules of activities, where they have been shown to be superior to linear Gantt charts. In this article, we present an experimental comparison of linear and mosaic diagrams for visualization of set relationships, in terms of accuracy, time-to-answer and subjective ratings of perceived task difficulty. The findings show that the two visualizations are largely similar with respect to these measures, suggesting that the choice of one or the other may be solely guided by other visual design considerations. Mosaic diagrams might be more suitable, for instance, in cases where miniature diagrams representing overviews of relations in different collections of sets are required, such as in small-multiples displays.
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Sunarni, Sunarni. "Pengaruh Penggunaan Media Wall Chart Terhadap Peningkatan Prestasi Belajar Siswa Pada Mata Pelajaran Fiqih." Molang : Journal Islamic Education 1, no. 01 (January 18, 2023): 26–35. http://dx.doi.org/10.32806/jm.v1i01.229.
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Wall charts are printed materials that show a location, usually in the form of a diagram or process cycle diagram. So that the wall chart looks more attractive to students or teachers, the wall chart is designed using a good color arrangement and proportion settings. The purpose of this research is to find out whether there is an effect of using wall chart media on student achievement and to find out how much influence the use of wall chart media has on increasing student achievement in science subjects. This study uses quantitative research using product moment correlation. The results of this study indicate that there is an influence of wall chart media on increasing learning achievement, this is based on the results of data analysis obtained from respondents using the questionnaire method by applying it to the product moment correlation formula and the media wall chart has a large effect on learning achievement, this is based on the results of data analysis after consulting the r value interpretation table which states the value of r work is 0.751 in the range 0.600 to 0.800 with a high interpretation.
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Naufal Wildan Rahmadian, Tasya Aspiranti, and Rabiatul Adwiyah. "Analisis Pengendalian Kualitas Produk Alas Kaki Menggunakan Metode Statistical Quality Control (SQC)." Bandung Conference Series: Business and Management 4, no. 1 (February 7, 2024): 709–18. http://dx.doi.org/10.29313/bcsbm.v4i1.11794.
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Abstract. PT Kreasi Gudang Biru is one of industry engaged in the manufacturing and making footwear. In the footwear production process there is still no governance in the quality control process, therefore there are still defective products. The purpose of this study is to find out how quality control is carried out at PT Kreasi Gudang Biru and its analysis uses statistical quality control or SQC methods. The method used in this study is descriptive quantitative with data collection techniques, namely by means of observation, interviews, and documentation. The data analysis step uses statistical quality control, which begins with making check sheets, histograms, scatter charts, pareto charts, flowcharts, control charts, and fishbone charts. The results of this study show the implementation of quality control of footwear products to analyze the occurrence of three types of defects in footwear products, namely pieces not according to pattern, less neat stitches, and gluing is not perfect. Based on the cause and effect diagram, there are 5 factors that cause this type of defect with each type of defect having different factors. The five factors are human, machine, method, material and media (environment).
Abstrak. PT Kreasi Gudang Biru merupakan salah satu industri yang bergerak di bidang manufaktur dan pembuatan alas kaki. Pada proses produksi alas kaki masih belum adanya tata kelola pada proses pengendalian kualitas, oleh karena itu masih terdapat produk cacat. Tujuan dari penelitian ini adalah untuk mengetahui bagaimana pengendalian kualitas yang dilakukan di PT Kreasi Gudang Biru dan analisisnya menggunakan metode Statistical Quality Control atau SQC. Metode yang dipakai pada penelitian ini adalah deskriptif kuantitatif dengan teknik pengumpulan datanya yaitu dengan cara observasi, wawancara, serta dokumentasi. Langkah analisis data menggunakan statistical quality control yaitu diawali dengan membuat check sheet, histogram, scatter chart, pareto chart, flowchart, control chart, dan fishbone Chart. Hasil penelitian ini menampilkan pada pelaksanaan pengendalian kualitas produk alas kaki untuk menganalisis terjadinya tiga jenis cacat pada produk alas kaki yaitu potongan tidak sesuai pola, jahitan kurang rapih, dan pengeleman tidak sempurna. Berdasarkan diagram sebab akibat terdapat 5 faktor yang menyebabkan terjadinya jenis cacat ini dengan setiap jenis cacat nya memiliki faktor yang berbeda-beda. Kelima faktor tersebut adalah manusia, mesin, metode, material dan media (lingkungan).
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KAMADA, S. "AN OBSERVATION OF SURFACE BRAIDS VIA CHART DESCRIPTION." Journal of Knot Theory and Its Ramifications 05, no. 04 (August 1996): 517–29. http://dx.doi.org/10.1142/s0218216596000308.
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A surface braid is a generalization of classical braids, which is related to classical and 2-dimensional knot theory. It is described by a diagram on a 2-disk called a chart. We prove that surface braids are in one-to-one correspondence to such diagrams modulo some elementary moves. It helps us to handle surface braids. As an application we calculate the Grothendieck group of the semi-group of surface braids. A theorem on symmetric equivalence for the braid group is also given.
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ARISTATIL, Mr A., and Mr M. V. SURESH. "DEGREE-DISTANCE BASED TOPOLOGICAL INDICES OF PRECIOUS STONE CUBIC CARBON STRUCTURE." International Journal of Engineering Technologies and Management Research 6, no. 12 (April 20, 2020): 101–10. http://dx.doi.org/10.29121/ijetmr.v6.i12.2019.491.
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Chemical diagram hypothesis fathoms the essential properties of a nuclear chart. The sub-nuclear outlines are the charts that are involved particles called vertices and the covalent bond between them are called edges. The unusualness ɛu of vertex u in a related diagram G, is the partition among u and a vertex farthermost from u. In this article, we consider the valuable stone structure of cubic carbon and enrolled Eccentric-network list ξ(G), Eccentric availability polynomial ECP(G, x) and Connective Eccentric list Cξ (G) of pearl structure of cubic carbon for n-levels.
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Zelterman, Daniel, and Nigel Holmes. "Designer's Guide to Creating Charts and Diagrams." Journal of the American Statistical Association 81, no. 395 (September 1986): 875. http://dx.doi.org/10.2307/2289051.
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Batubara, Jose, Anna Alisjahbana, Angèle JGMGerver-Jansen, Bachti Alisjahbana, Tony Sadjimin, Yulniar Tasli, Juhariah Juhariah, et al. "Growth diagrams of Indonesian children The nationwide survey of 2005." Paediatrica Indonesiana 46, no. 3 (October 18, 2016): 118. http://dx.doi.org/10.14238/pi46.3.2006.118-26.
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Background Reference curves of growth have been developedin many countries based on cross-sectional data. The World HealthOrganization (WHO) has recommended an international referencewhich is based on the growth standards developed within the UnitedStates during the 1970s. In general these growth references areused in Indonesian pediatric clinics although it is known that thesereferences are not appropriate for this population with a differentethnic background. In order to evaluate reliably Indonesian chil-dren with growth disorders reference standards based on mea-surements in Indonesian children are necessary.Objective To make a standard growth chart for Indonesian chil-dren especially with regards to height, weight, and head circum-ference from a healthy Indonesian infants and children, age 0-18years. This standard charts were compared to CDC growth charts.Methods Weight and height and head circumference were takenfrom children with age ranging from birth up to 18 years. All sub-jects were recruited from 7 different parts of Indonesia. The agegrouping for children from 0-1 years old was based on 3-monthinterval, while for children older than 12 months was based on a 6-month interval. The study was cross sectional.Results There were 34 800 children (17 229 boys and 17 571girls) included in this study with age ranging from 0 up to 18 years.Graphs were presented for weight for age, supine length for age,head circumference for age in male and female infants, and weightfor height and height for age in boys and girls 1-18 years.Comparson of the results of this study with the CDC data werepresented as a graph.Conclusion The standard charts for Indonesian children basedon weight for height, supine length for height and head circumfer-ence for age were presented in graphs for children 0-1 year, weightfor height and height for age for boys and girls 1-18 years old. Allchildren were compared to CDC growth charts and there exists amean difference of -1.47 SDS for boys and -1.43 SDS forgirls.
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Chang, Liang-Cheng. "Rethinking the Project Management Process by Using Unified Modeling Language." International Journal of Information Technology Project Management 6, no. 3 (July 2015): 58–73. http://dx.doi.org/10.4018/ijitpm.2015070104.
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Project management skills such as WBS, Gantt Chart and PERT have been applied in many fields, but system analysts preferred UML to project tools. This article recommend transformation rules from project items into objects and project charts into UML diagrams, to model all project items and processes by using UML. Therefore, UML can be applied not only to system analysis and design, but also to entire project processes. Stakeholders in a project can rethink the project in terms of object orientation and communicate with system developers using the same tool as UML.
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Hidayat, Hety Handayani. "PENGENDALIAN KUALITAS PRODUK PADA UMKM DONATE DONUT DENGAN METODE SEVEN TOOLS." Journal of Agricultural and Biosystem Engineering Research 3, no. 1 (August 24, 2022): 65. http://dx.doi.org/10.20884/1.jaber.2022.3.1.6384.
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UMKM Donate Donut is one of the micro, small and medium enterprises (UMKM) engaged in the manufacture of donuts. UMKM Donate Donut faces problems in quality control, namely the occurrence of defects or defects in the product. Therefore, it is necessary to do research on quality control circle (QCC). Quality is a factor that can increase the competitiveness of a product. With the increase in quality, the production costs will be smaller so as to reduce waste. The failure of a product occurs due to several factors in the production process, raw materials, machines, equipment, humans, and the environment. To maintain the quality of the products produced and in accordance with market needs, it is necessary to carry out quality control over the process activities undertaken. quality control by using control charts (control charts) can be used to achieve a controlled state or are within control limits so as to show that the process is consistent. To obtain data that is in accordance with the research, it is necessary to observe a product that does not meet the specifications (damaged), then calculated using the check sheet, flow chart, histogram, Pareto chart, scatter diagram, and fishbone diagram methods to product results.
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Ahmad, Firda Balqisa, and Suliadi. "Diagram Kendali Nonparamterik Composite Exponentially Weighted Moving Average (CEWMA) Sign dalam Proses Plating Aksesori Mobil PT. XYZ." Bandung Conference Series: Statistics 3, no. 2 (August 2, 2023): 643–52. http://dx.doi.org/10.29313/bcss.v3i2.9054.
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Abstract. Control charts are one of the tools in Statistical Process Control (SPC) that are graphically used to control the production process. The first control chart to exist was the Shewhart control chart, but the control chart is not sensitive in detecting small shifts. So the alternative is the EWMA control chart which is able to detect small shifts, but there is still a problem because this diagram has the assumption that the observation process is normally distributed. Then a Nonparametric EWMA Sign control chart is proposed which can detect small shifts when the data conditions are not normally distributed. Furthermore, the combination of Shewhart and EWMA statistics has been done which aims to improve the accuracy of the diagram. Combining two EWMA statistics has also been done but assuming the distribution of quality characteristics is normal. Raza et al., 2022 proposed the CEWMA Sign Nonparametric control diagram method by combining two EWMA statistics to increase the sensitivity of the diagram. This control chart is more flexible to use because the parameter value λ in both EWMA statistics can be different ( and ). In this thesis we apply the CEWMA Sign Nonparametric control chart to the data of the car accessory plating process at PT. XYZ which is a final or finishing process that has objectives including to beautify the appearance and protect a metal from interaction with the environment.
Abstrak. Diagram kendali merupakan salah satu alat dalam Statistical Process Control (SPC) yang secara grafis digunakan untuk mengontrol proses produksi. Diagram kendali yang pertama kali ada yaitu diagram kendali Shewhart, tetapi diagram kendali tersebut tidak sensitif dalam mendeteksi pergeseran yang kecil. Sehingga alternatifnya yaitu diagram kendali EWMA yang mampu mendeteksi pergeseran yang kecil, tetapi masih ada masalah karena diagram ini memiliki asumsi bahwa proses pengamatan berdistribusi normal. Kemudian diusulkanlah diagram kendali Nonparametrik EWMA Sign yang dapat mendeteksi pergeseran kecil saat kondisi data tidak berdistribusi normal. Selanjutnya penggabungan statistik Shewhart dan EWMA pernah dilakukan yang bertujuan untuk meningkatkan akurasi diagram. Penggabungan dua statistik EWMA juga pernah dilakukan tetapi dengan asumsi distribusi karakteristik kualitasnya normal. Raza et al., 2022 mengajukan metode diagram kendali Nonparametrik CEWMA Sign dengan menggabungkan dua statistik EWMA untuk meningkatkan sensitivitas diagram. Diagram kendali ini lebih fleksibel untuk digunakan karena nilai parameter pada kedua statistik EWMA dapat berbeda ( dan ). Dalam skripsi ini kami menerapkan diagram kendali Nonparametrik CEWMA Sign pada data proses plating aksesori mobil pada PT. XYZ yang merupakan proses akhir atau finishing yang memiliki tujuan diantaranya adalah untuk memperindah tampilan dan melindungi suatu logam dari interaksi dengan lingkungan.
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Doligalski, Michał, and Marian Adamski. "Petri Net Based Specification in the Design of Logic Controllers with Exception Handling Mechanism." International Journal of Electronics and Telecommunications 58, no. 1 (March 1, 2012): 43–48. http://dx.doi.org/10.2478/v10177-012-0006-6.
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Petri Net Based Specification in the Design of Logic Controllers with Exception Handling Mechanism Hierarchical Petri nets beside UML state machine diagrams, sequentional function charts (SFC) and hierarchical concurrent state machines are common solution for specification of logic controllers. These specification formats provide both concurrency and modeling on multi levels of abstraction (hierarchic approach). But only state machine diagrams supports exceptions handling in direct way. Program model presented in form of state machine diagram may be later transformed into a program in the SFC language or transformed in the Petri Net and implemented in the FPGA structure. Similarity between SFC language and Petri Nets give us lot of tools for analysis such control system. Article presents new approach for exceptions handling in hierarchical Petri nets as formal specification for logic controllers. Proposed method of specification can be used independently or as a part of dual specification (correlated state machine diagram and hierarchical configurable Petri Net).
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Maina, Nevy Kimani, Geoffrey Muchiri Muketha, and Geoffrey Mariga Wambugu. "A New Complexity Metric for UML Sequence Diagrams." International Journal of Software Engineering & Applications 14, no. 01 (January 30, 2023): 09–22. http://dx.doi.org/10.5121/ijsea.2023.14102.
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Object-Oriented Programming (OOP) has been promoted as a way to produce high-quality software while increasing developer productivity through code reuse. Software systems and underlying designs get more extensive and more complicated while maintaining a high degree of quality. One of the widely accepted standards for describing software architectures is the UML Sequence Diagram. A sequence diagram depicts the interaction of two-dimensional chart players by showing messages delivered and received between them. This research aims to develop and validate a metric for complexity evaluation in software design architectures through UML Sequence diagrams. The study included design science, which included metric specification, the creation of a measurement tool, and conceptual and factual verification of the metrics. The metrics use diagram-centric complexity measurements shown to be meaningful when used to determine the difficulty of two example sequence diagrams. Furthermore, conceptual affirmation of the stated metrics was achieved through Weyuker's nine characteristics, which demonstrated that they are computationally efficient. The metric was empirically authenticated, and the findings show that measuring the complexity of sequence diagrams is expedient.
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Wang, Hui Liang, Xiao Zhong Deng, Jian Jun Yang, and Kai Xu. "Mathematical Model of Topology Modification of Tooth Surface and Error Characteristics." Advanced Materials Research 941-944 (June 2014): 2255–58. http://dx.doi.org/10.4028/www.scientific.net/amr.941-944.2255.
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In order to analysis the processing performance of the CNC grinding machine, the master profile error distribution characteristics of gear grinding tooth error analysis method based on statistical process control techniques. Tooth profile error topology control charts, analysis of the tooth length direction and the tooth height direction of the error distribution, respectively, corresponding to establish the mean - range control chart. Control charts to achieve real-time distribution of the gear grinding process tooth profile error, error change trend analysis and prevention. Calculate the machine's process capability index, derived CNC grinding processes. Finally, analysis the main causes of tooth profile error and take appropriate measures to reduce the tooth profile error by the cause and effect diagram.
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S.kom, Aris, Mochamad Rinja, and Taufan Jherico. "APLIKASI SISTEM PENJUALAN SPAREPART MOTOR PADA BENGKEL BAROKAH MOTOR BERBASIS WEB." Technomedia Journal 1, no. 2 (March 1, 2017): 27–36. http://dx.doi.org/10.33050/tmj.v1i2.64.
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Bengkel Barokah Motor merupakan salah satu usaha keluarga yang bergerak dibidang retail dengan menjual sparepart motor. Proses administrasi penjualan merupakan salah satu kegiatan penting bagi proses penjualan sparepart motor di bengkel ini. Untuk mendukung sistem aplikasi penjualan ini, perlu adanya sistem komputerisasi untuk membuat laporan penjualan yang cepat, akurat serta efisien dalam pengerjaannya. Namun dalam kenyataannya, hal tersebut memang tidak sesuai dengan keinginan dan harapan yang ditentukan, k arena belum adanya sistem komputerisasi yang digunakan di bengkel tersebut. Bengkel Barokah Motor masih menggunakan sistem manual dalam pengolahan data administrasinya. Sehingga masih seringnya terjadi kesalahan pada saat pencatatan data. Untuk itu perlu dirancang suatu sistem aplikasi penjualan. Sistem tersebut dirancang menggunakan metode OOAD, dan digambarkan melalui diagram UML seperti activity diagram, sequence diagram, use case diagram, class diagram dan state chart diagram. Sistem dibangun menggunakan bahasa pemrograman PHP, dan database yang digunakan adalah MySQL. Hasil penelitian ini adalah sebuah sistem aplikasi penjualan yang digunakan untuk mencatat setiap transaksi yang terjadi serta membuat laporan penjualan secara cepat dan akurat. Sehingga dengan adanya sistem tersebut, user akan sangat terbantu dalam mengerjakan pekerjaannya.
Kata kunci : aplikasi sistem penjualan, sparepart motor.
Workshop Barokah Motor is one of the family businesses engaged in retail selling motor spare parts. Sales administration process is one of the important activities for motor spare parts sales process at this workshop. To support this sales application systems, the need for a computerized system to create sales reports are fast, accurate and efficient in the process. But in reality, it does not correspond with the wishes and expectations are determined, due to the lack of computerized systems used in the workshop. Workshop Barokah Motor still use manual systems in data processing administration. So it is still frequent errors during data recording. For that we need to design a system application sales. The system is designed using OOAD methods, and illustrated by diagrams like UML activity diagrams, sequence diagrams, use case diagram, class diagram and state chart diagrams. The system is built using the PHP programming language, and the database used is MySQL. The result of this research is a sales application system used to record each transaction and create sales reports quickly and accurately. So with such a system, the user will be greatly helped in doing his job.
Keyword: App sales system, motor spare parts
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Aris, Aris, Mochamad Rinja, and Taufan Jherico. "Aplikasi Sistem Penjualan Sparepart Motor Pada Bengkel Barokah Motor Berbasis Web." Technomedia Journal 2, no. 1 (August 27, 2017): 95–104. http://dx.doi.org/10.33050/tmj.v2i1.318.
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Bengkel Barokah Motor merupakan salah satu usaha keluarga yang bergerak dibidang retail dengan menjual sparepart motor. Proses administrasi penjualan merupakan salah satu kegiatan penting bagi proses penjualan sparepart motor di bengkel ini. Untuk mendukung sistem aplikasi penjualan ini, perlu adanya sistem komputerisasi untuk membuat laporan penjualan yang cepat, akurat serta efisien dalam pengerjaannya. Namun dalam kenyataannya, hal tersebut memang tidak sesuai dengan keinginan dan harapan yang ditentukan, karena belum adanya sistem komputerisasi yang digunakan di bengkel tersebut. Bengkel Barokah Motor masih menggunakan sistem manual dalam pengolahan data administrasinya. Sehingga masih seringnya terjadi kesalahan pada saat pencatatan data. Untuk itu perlu dirancang suatu sistem aplikasi penjualan. Sistem tersebut dirancang menggunakan metode OOAD, dan digambarkan melalui diagram UML seperti activity diagram, sequence diagram, use case diagram, class diagram dan state chart diagram. Sistem dibangun menggunakan bahasa pemrograman PHP, dan database yang digunakan adalah MySQL. Hasil penelitian ini adalah sebuah sistem aplikasi penjualan yang digunakan untuk mencatat setiap transaksi yang terjadi serta membuat laporan penjualan secara cepat dan akurat. Sehingga dengan adanya sistem tersebut, user akan sangat terbantu dalam mengerjakan pekerjaannya. Kata kunci : aplikasi sistem penjualan, sparepart motor Workshop Barokah Motor is one of the family businesses engaged in retail selling motor spare parts. Sales administration process is one of the important activities for motor spare parts sales process at this workshop. To support this sales application systems, the need for a computerized system to create sales reports are fast, accurate and efficient in the process.But in reality, it does not correspond with the wishes and expectations are determined, due to the lack of computerized systems used in the workshop. Workshop Barokah Motor still use manual systems in data processing administration. So it is still frequent errors during data recording. For that we need to design a system application sales. The system is designed using OOAD methods, and illustrated by diagrams like UML activity diagrams, sequence diagrams, use case diagram, class diagram and state chart diagrams. The system is built using the PHP programming language, and the database used is MySQL. The result of this research is a sales application system used to record each transaction and create sales reports quickly and accurately. So with such a system, the user will be greatly helped in doing his job
Keywords : App sales system, motor spare part
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Lukman, Radian, Mustafid Mustafid, and Sugito Sugito. "PENERAPAN DIAGRAM PENGENDALI NONPARAMETRIK EXPONENTIALLY WEIGHTED MOVING AVERAGE SIGN UNTUK ANALISIS PERGERAKAN HARGA SAHAM SEKTOR PROPERTI." Jurnal Gaussian 12, no. 1 (October 18, 2022): 1–9. http://dx.doi.org/10.14710/j.gauss.12.1.1-9.
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Stocks are evidence of equity participation in a company. Investors need to know the quality of stock prices so that they can minimize losses when investing. Technical analysis can be used by investors to decide when to buy or sell a stock. One of the technical analysis that can be used on stock prices is using quality control. Control charts can be used to make decisions in stock trading activities. The Exponentially Weighted Moving Average control chart is very useful for detecting small shifts such as in financial data. The assumption that must be fulfilled in using the EWMA control chart is that the data is normally distributed. The non-fulfillment of the normal distribution assumption causes the EWMA control chart produces plots that are far from the control limits. This problem can be solved using the nonparametric EWMA Sign control chart. The construction of the nonparametric EWMA Sign control chart on stock prices is expected to overcome the limitations of the standard EWMA control chart and provide a signal to investors to know the best time to trade stocks. The data used in this study is the daily closing price data of PT Bumi Serpong Damai Tbk on March 1, 2021 to March 4, 2022 with a total of 250 data. The nonparametric EWMA Sign control chart shows that the daily closing price data is out of control because it produces plots that are spread out non-randomly and shows a relatively similar pattern.