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Journal articles on the topic 'Model of reliability assessment'

Author: Grafiati

Published: 30 May 2022

Last updated: 19 July 2025

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1

Rebba, Ramesh, and Sankaran Mahadevan. "Computational methods for model reliability assessment." Reliability Engineering & System Safety 93, no. 8 (2008): 1197–207. http://dx.doi.org/10.1016/j.ress.2007.08.001.

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Munali, Munali, and Siti Alifah. "ANALISIS BUTIR SOAL STATISTIKA MODEL SUMMATIVE EVALUATION ASSESSMENT MENGGUNAKAN MODEL RASCH." Jurnal Lebesgue : Jurnal Ilmiah Pendidikan Matematika, Matematika dan Statistika 5, no. 3 (2024): 1319–34. https://doi.org/10.46306/lb.v5i3.657.

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The summative evaluation assessment model is a model combining formative assessment and summative assessment. Learning outcomes in Statistics courses were measured using the summative evaluation assessment model on students of the Information Systems Study Program at Indraprastha PGRI University Jakarta even semester of the 2023/2024 academic year as many as 185 students. The purpose of this study was to analyze the items of the summative evaluation assessment model of the Statistics Course as many as 13 items. This research uses quantitative methodology. Items analysis using the Rasch Model.

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Alsharqawi, Mohammed, Tarek Zayed, Laya Parvizsedghy, Ahmed Senouci, and Hassan Al-Derham. "Reliability Assessment Model for Water Distribution Networks." Journal of Pipeline Systems Engineering and Practice 11, no. 2 (2020): 04019059. http://dx.doi.org/10.1061/(asce)ps.1949-1204.0000442.

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4

Zhang, Bin, Dong Dong Yu, and Peng Su. "In Service Beam Bridge Reliability Assessment." Advanced Materials Research 838-841 (November 2013): 1034–41. http://dx.doi.org/10.4028/www.scientific.net/amr.838-841.1034.

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In order to evaluate the reliability of existing bridges ,based on maximum value of the load and model of probability calculation of resistance attenuation, according to the data of the bridge which actually collected, and by using the ADINA finite element software to build the finite element model of considering the damage detection of beam bridge. The component and system failure criteria are determined on the basis of the bridge load-bearing characteristics.The Time-dependent reliability of the system by using the probability calculation model for assessing the maximum value of the load and

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Kolarik, William J., Jeffrey C. Woldstad, and Shuxia Lu. "Real-Time Human Performance Reliability Assessment." Proceedings of the Human Factors and Ergonomics Society Annual Meeting 44, no. 22 (2000): 843–46. http://dx.doi.org/10.1177/154193120004402290.

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This paper describes a real-time conditional human reliability model constructed to predict the likelihood of human performance metrics exceeding critical boundaries in a future time interval. The model is implemented by collecting real-time data from selected performance measures, modeling and forecasting these measures, and then converting the forecast results into reliability measures. To demonstrate the feasibility of the proposed model, a prototype software package has been developed and tested for a simple movement task.

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Gandhi, Parul, Mohammad Zubair Khan, Ravi Kumar Sharma, Omar H. Alhazmi, Surbhi Bhatia, and Chinmay Chakraborty. "Software Reliability Assessment Using Hybrid Neuro-Fuzzy Model." Computer Systems Science and Engineering 41, no. 3 (2022): 891–902. http://dx.doi.org/10.32604/csse.2022.019943.

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7

DONG, Yun-Wei, Guang-Ren WANG, Fan ZHANG, and Lei GAO. "Reliability Analysis and Assessment Tool for AADL Model." Journal of Software 22, no. 6 (2011): 1252–66. http://dx.doi.org/10.3724/sp.j.1001.2011.04014.

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8

Huang, Jiale, Fei Xiao, and Yang Zhang. "Reliability Evaluation of Pavement Life-Cycle Assessment Model." Modelling and Simulation in Engineering 2018 (October 18, 2018): 1–8. http://dx.doi.org/10.1155/2018/4172519.

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Inventory reliability of the life-cycle assessment (LCA) model highly depends on the data quality and normally exhibits significant uncertainty. A rigorous statistical methodology was established to capture and quantify the inherent uncertainties linked to the results of the LCA model. Two sources of uncertainty, data quality and model, were identified. The former was captured by converting the deterministic value to probability density function using beta distribution according to the evaluation matrix of data quality; the latter was assessed by prescribing variation interval through defining

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Castañeda, G. A. Pérez, J.-F. Aubry, and N. Brinzei. "Stochastic hybrid automata model for dynamic reliability assessment." Proceedings of the Institution of Mechanical Engineers, Part O: Journal of Risk and Reliability 225, no. 1 (2011): 28–41. http://dx.doi.org/10.1177/1748006xjrr312.

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Slot, René M. M., John D. Sørensen, Bruno Sudret, Lasse Svenningsen, and Morten L. Thøgersen. "Surrogate model uncertainty in wind turbine reliability assessment." Renewable Energy 151 (May 2020): 1150–62. http://dx.doi.org/10.1016/j.renene.2019.11.101.

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11

Yin, Zong Run, Dong Su, and Jun Shan Li. "A Novelty Model for Reliability Assessment of Complex System." Applied Mechanics and Materials 571-572 (June 2014): 118–23. http://dx.doi.org/10.4028/www.scientific.net/amm.571-572.118.

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Aiming at the difficulty in reliability assessment of complex system. A novelty model based on Bayesian method and GO methodology is proposed. Bayesian method is adopted for multi-source information fusion to build the component reliability model, and then GO methodology is utilized to integrate the component reliability parameters and form the reliability model of the system. At last, an instance of reliability assessment for complex electronic equipment is given to show the effectiveness of the model. Result shows that, this method take advantage of Bayesian method and GO methodology, it pro

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12

Khairil, Ansari Abdurrahman Adisaputera Gemala Widiyarti. "Development Of Authentic Assessment Models Of Speaking Skills Elementary School Students In Medan City." Multicultural Education 7, no. 10 (2021): 298. https://doi.org/10.5281/zenodo.5565002.

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<em>This research is based on problems related to the development of authentic assessments to assess the speaking skills of students who have not used valid, reliable, effective, and practical assessment instruments.The methodology used in the research and development (R&D) Plomp model. The research was carried out in an elementary school in the city of Medan. The resulting product was validated by evaluation experts, material experts, media experts, and education practitioners, then continued with individual tests, small group tests, and large groups. The assessment instrument developed w

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Yang, Seungho, Afnan Ahmad, Peter Y. Park, Gunho Sohn, and Jeremy Krygsman. "Public Transit Service Reliability Assessment using Two-Fluid Model." Transportation Research Record: Journal of the Transportation Research Board 2674, no. 4 (2020): 89–100. http://dx.doi.org/10.1177/0361198119896783.

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This study introduces a traffic flow theory-based reliability indicator to evaluate the inter-city public transit service. The two-fluid theory parameter n that measures the road networks’ resilience to changing traffic is used as a new reliability indicator of public bus service. We compared the performance of the new indicator with the three existing reliability indicators, including on-time performance, with a total of 52 different GO Bus routes to ascertain the usability of the new indicator. The GO Bus service is an inter-city bus service operated by Metrolinx in the Greater Toronto and H

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Wawrzyński, Wojciech, Mariusz Zieja, Justyna Tomaszewska, and Mariusz Michalski. "Reliability Assessment of Aircraft Commutators." Energies 14, no. 21 (2021): 7404. http://dx.doi.org/10.3390/en14217404.

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The article describes the method of predicting the reliability and durability of an aircraft commutator, which is a primary source of electric energy in helicopters. Tests were conducted for 10 starter-generators. From this research it follows that the technical condition of brushes and bearings has a significant impact on the reliability of starter-generators. The reliability of starter-generators was determined based on the method consisting of two stages that was adopted: the first stage involved determining the density function of changes in diagnostic parameter depending on the operating

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15

Bahrudin, Bahrudin, and Kumaidi Kumaidi. "MODEL ASESMEN MUSABAQAH TILAWAH AL-QURAN (MTQ) CABANG TILAWAH." Jurnal Penelitian dan Evaluasi Pendidikan 18, no. 2 (2014): 153–67. http://dx.doi.org/10.21831/pep.v18i2.2858.

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Penelitian ini bertujuan untuk mengembangkan model penilaian MTQ Cabang Tilawah, karena model penilaian yang selama ini digunakan dalam MTQ tidak sesuai dengan teori asesmen. Jenis penelitian ini adalah research and development, yang dimulai dengan research dan diteruskan dengan pengembangan model. Research dilakukan untuk memperoleh informasi mengenai kelemahan-kelemahan model penilaian MTQ Cabang Tilawah yang digunakan selama ini dan aspek-aspek yang mendukung perlunya dilakukan pengembangan model penilaian tersebut. Pengembangan model mengacu pada prosedur Borg & Gall (1983), yang dilak

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Stanley, Leanne M., and Michael C. Edwards. "Reliability and Model Fit." Educational and Psychological Measurement 76, no. 6 (2016): 976–85. http://dx.doi.org/10.1177/0013164416638900.

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The purpose of this article is to highlight the distinction between the reliability of test scores and the fit of psychometric measurement models, reminding readers why it is important to consider both when evaluating whether test scores are valid for a proposed interpretation and/or use. It is often the case that an investigator judges both the reliability of scores and the fit of a corresponding measurement model to be either acceptable or unacceptable for a given situation, but these are not the only possible outcomes. This article focuses on situations in which model fit is deemed acceptab

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17

Sudjianto, Agus, Lokesh Juneja, Hari Agrawal, and Mahesh Vora. "Computer Aided Reliability and Robustness Assessment." International Journal of Reliability, Quality and Safety Engineering 05, no. 02 (1998): 181–93. http://dx.doi.org/10.1142/s0218539398000182.

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The competitive pressure to shorten product development time has necessitated the automotive industry to rely more on Computer Aided Engineering (CAE) for analyzing and proving product reliability and robustness. The challenge of this approach is the incorporation of product variability, due to manufacturing and customer usage variations in the analysis, requires a massive computation process which may be prohibitive even with today's advanced computers. In this paper, we demonstrate the use of an efficient computational procedure based on optimal Latin Hypercube Sampling (LHS) and a "cheap-to

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18

Zhang, Liming, Yaxiong Wu, Hao Li, and Yong Liu. "Construction of Grid Reliability Assessment Model Based on Sensitivity Analysis." Mobile Information Systems 2022 (July 16, 2022): 1–7. http://dx.doi.org/10.1155/2022/2231704.

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The traditional reliability of power supply only focuses on the continuity of power supply and does not include the impact of power quality on customers in the assessment. In this paper, we use “the ability of the grid to provide continuously available power to customers” as the criterion to reflect more realistically the level of reliability perceived by customers. This reliability assessment, which is closer to the customer’s perspective, can also be used as a basis for quality-based pricing in the electricity market that is acceptable to both the supplier and the consumer, and the differenc

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19

ORMANDJIEVA, OLGA, MANAR ABU TALIB, and ALAIN ABRAN. "RELIABILITY MODEL FOR COMPONENT-BASED SYSTEMS IN COSMIC (A CASE STUDY)." International Journal of Software Engineering and Knowledge Engineering 18, no. 04 (2008): 515–39. http://dx.doi.org/10.1142/s0218194008003763.

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Software component technology has a substantial impact on modern IT evolution. The benefits of this technology, such as reusability, complexity management, time and effort reduction, and increased productivity, have been key drivers of its adoption by industry. One of the main issues in building component-based systems is the reliability of the composed functionality of the assembled components. This paper proposes a reliability assessment model based on the architectural configuration of a component-based system and the reliability of the individual components, which is usage- or testing-inde

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20

Maevsky, D. A., O. V. Naidenko, E. J. Maevskaya, O. V. Strelzov, and A. A. Naidenko. "RESEARCH OF ACCURACY OF SOFTWARE SOFTWARE RELIABILITY ASSESSMENT." ELECTRICAL AND COMPUTER SYSTEMS 33, no. 108 (2020): 17–25. http://dx.doi.org/10.15276/eltecs.32.108.2020.2.

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The aim of the work is to establish the presence or absence of dependence of the accuracy of reliability assessment on the programming language and software reliability model. To this end, software reliability modeling was performed using the main reliability models, such as: Dzhelinsky-Moranda, non- uniform Poisson process (Gela-Okumoto), Schneide-Windows, Musa, Weibul model, S-Shaped model, Du- ena, geometric model of Moranda, Musa-Okumoto. The existence of the problem of choosing a reliability model, which is due to their large number, is noted. It is shown that the problem of choosing a mo

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21

Hoduń, Piotr, and Michał Borecki. "Reliability Assessment of MV Power Connections." Energies 14, no. 21 (2021): 6965. http://dx.doi.org/10.3390/en14216965.

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This article presents an analysis of the reliability of the power grid using data on the failure rate of the medium voltage (MV) power grid from the last five years. The analysis of the state of the power grid was based on the data provided by the grid operator. The purpose of this article is to analyze the reliability assessment of the medium voltage (MV) power connections using various analytical methods, a simulation model and reliability indicators. The analysis was performed based on the defined categories of power outages in terms of their duration. This made it possible to determine the

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22

Fujimoto, Yukio, Akio Ideguchi, and Mitsumasa Iwata. "Reliability Assessment for Deteriorating Structure by Markov Chain Model." Journal of the Society of Naval Architects of Japan 1989, no. 166 (1989): 303–14. http://dx.doi.org/10.2534/jjasnaoe1968.1989.166_303.

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23

CHIANG, Shen, Yasuto TACHIKAWA, and Kaoru TAKARA. "A PSEUDO VALIDATION ALGORITHM FOR HYDROLOGICAL MODEL RELIABILITY ASSESSMENT." PROCEEDINGS OF HYDRAULIC ENGINEERING 50 (2006): 103–8. http://dx.doi.org/10.2208/prohe.50.103.

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24

Ettlinger, Andreas, and Hans Neuner. "Assessment of inner reliability in the Gauss-Helmert model." Journal of Applied Geodesy 14, no. 1 (2020): 13–28. http://dx.doi.org/10.1515/jag-2019-0013.

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AbstractIn this contribution, the minimum detectable bias (MDB) as well as the statistical tests to identify disturbed observations are introduced for the Gauss-Helmert model. Especially, if the observations are uncorrelated, these quantities will have the same structure as in the Gauss-Markov model, where the redundancy numbers play a key role. All the derivations are based on one-dimensional and additive observation errors respectively offsets which are modeled as additional parameters to be estimated. The formulas to compute these additional parameters with the corresponding variances are a

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25

Usynin, Aleksander. "Model-Fitting Approaches to Reliability Assessment and Prognostic Problems." Journal of Pattern Recognition Research 1, no. 1 (2006): 32–36. http://dx.doi.org/10.13176/11.7.

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26

Luzhaeva, E. M., E. N. Yagovkina, and T. Yu Freze. "THE MODEL OF QUANTITATIVE ASSESSMENT OF TECHNICAL SYSTEM RELIABILITY." Vektor nauki Tol'yattinskogo gosudarstvennogo universiteta, no. 2 (2016): 35–39. http://dx.doi.org/10.18323/2073-5073-2016-2-35-39.

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27

Piasecki, Michał, and Krystyna Barbara Kostyrko. "Indoor environmental quality assessment, part 2: Model reliability analysis." Journal of Building Physics 42, no. 3 (2018): 288–315. http://dx.doi.org/10.1177/1744259118754391.

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Indoor environmental quality index involves a set of indoor environmental quality sub-components, provides an assessment of building user comfort and satisfaction and may be used as a tool to support the design of energy-efficient buildings. Unfortunately, the unknown reliability of the indoor environmental quality model is a recognized barrier for its wider practical use. In this article, a preliminary reliability test for the indoor environmental quality model is presented, providing a correct evaluation of the measurement data results and a step-by-step guide to the expression of its uncert

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Yu, D. C., T. C. Nguyen, and P. Haddawy. "Bayesian network model for reliability assessment of power systems." IEEE Transactions on Power Systems 14, no. 2 (1999): 426–32. http://dx.doi.org/10.1109/59.761860.

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Troy, R., and R. Moawad. "Assessment of Software Reliability Models." IEEE Transactions on Software Engineering SE-11, no. 9 (1985): 839–49. http://dx.doi.org/10.1109/tse.1985.232543.

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Li, Qingshen, Yigang Lin, Shoudong Wang, Shanshan Wang, and Xiangou Zhu. "Storage Reliability Assessment Method for Aerospace Electromagnetic Relay Based on Belief Reliability Theory." Applied Sciences 12, no. 17 (2022): 8637. http://dx.doi.org/10.3390/app12178637.

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The aerospace electromagnetic relay (AEMR) is a key electronic component in aerospace and weaponry systems. It usually lacks sufficient test data to conduct an effective storage reliability assessment at its early development stage. Thus, this paper introduces the theory of belief reliability, a new theory in the field of reliability engineering. Under its theoretical framework, firstly, through the analysis of the storage degradation mechanism of AEMR, the performance degradation characterization parameters are selected to build a storage degradation model. Then, the failure criterion conditi

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Perkin, Samuel, Arne Brufladt Svendsen, Trond Tollefsen, et al. "Modelling weather dependence in online reliability assessment of power systems." Proceedings of the Institution of Mechanical Engineers, Part O: Journal of Risk and Reliability 231, no. 4 (2017): 364–72. http://dx.doi.org/10.1177/1748006x17694951.

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Probabilistic reliability assessment of power systems is an ongoing field of research, particularly in the development of tools to model the probability of exogenous threats and their potential consequences. This paper describes the application of a weather-dependent failure rate model to a region of the Icelandic transmission system, using 10 years of weather data and overhead line fault records. The studied failure rate model is compared with a constant failure rate model, in terms of variability and how well the models perform in a blind test over a 2 year period in reflecting the occurrenc

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Prihatini, Septimar, Djemari Mardapi, and Sutrisno Sutrisno. "PENGEMBANGAN MODEL PENILAIAN AKHLAK PESERTA DIDIK MADRASAH ALIYAH." Jurnal Penelitian dan Evaluasi Pendidikan 17, no. 2 (2013): 347–68. http://dx.doi.org/10.21831/pep.v17i2.1705.

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Tujuan penelitian ini adalah mengembangkan model penilaian akhlak peserta didik Madrasah Aliyah. Konstruk akhlak dikembangkan dengan pendekatan akhlak sebagai aspek afektif dan konsep religiousity dari Glock and Stark (1966). Penelitian pengembangan ini menggunakan metode lapor diri dan observasi tak langsung, melibatkan 291 siswa dan 26 guru dengan teknik purposive sampling. Pengujian kualitas instrumen meliputi: validasi tampang, isi, dan konstruk; reliabilitas (konsistensi internal dan reliabilitas interrater); dan uji stabilitas instrumen. Hasil pe-nelitian ini adalah: (1) Model penilaian

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Kurian, V. John, Shuen Shyan Goh, Mohamed Mubarak Abdul Wahab, and Mohd Shahir Liew. "Reliability Assessment Model for Aging Jacket Structures in Malaysian Waters." Applied Mechanics and Materials 567 (June 2014): 283–88. http://dx.doi.org/10.4028/www.scientific.net/amm.567.283.

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As the world is progressing towards deeper water technology, jacket platform still remains as an important production structure for oil and gas in Malaysian shallow water regions. Besides the discovery of new oil and gas, enhanced oil recovery (EOR) allows more oil to be extracted from the old fields. As a result, service life of existing fixed jacket platforms need to be extended. The overall reliability of aged platform has to be reevaluated in order to monitor the integrity of the structure, and to prevent unexpected failures. Reserve Strength Ratio (RSR) is a widely adopted measure to quan

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Okunev, Alexander V., Anastasia A. Ivanova, and Alexander A. Philipiev. "Assessment of performance reliability of transformers." Innotrans, no. 3 (2020): 50–53. http://dx.doi.org/10.20291/2311-164x-2020-3-50-53.

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Increase of freight traffic resulted in increased loads on traction substations and, respectively, in increase of their equipment failure risks. In the context of maintaining the required voltage level and power quality, which determine appropriate values in reliability for traction substation transformers, the article looks upon solving the problem of determination of reliability essential parameters. A proposed calculation model makes it possible to simplify the choice of electrical apparatus for uninterrupted power supply of electric rolling stock traction.

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Gao, Jianyong, Yanpeng Zhang, and Chen Qing. "PMC reliability assessment and maintenance optimization." E3S Web of Conferences 522 (2024): 01052. http://dx.doi.org/10.1051/e3sconf/202452201052.

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By analyzing the main functions of PMC, determining the task profile of each PMC component, establishing a PMC task reliability model, and combining internal and external feedback, the action unit components that have a significant impact on PMC failures and contribute to the critical path of major repairs are identified. Component reliability maintenance analysis and quantitative evaluation of the overall reliability of PMC were carried out. The analysis shows that the existing preventive maintenance strategy effectively identifies equipment hazards and proposes suggestions for reliability im

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Xu, Xingjian, Tian Ban, and Yuehua Li. "SPLM: A Flexible and Accurate Reliability Assessment Model for Logic Circuits." Journal of Circuits, Systems and Computers 28, no. 02 (2018): 1950032. http://dx.doi.org/10.1142/s0218126619500324.

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Reliability evaluation by using probabilistic computational models has become an important research field in modern digital designs. Based on the profound understanding of different reliability evaluation methods, this paper proposes a universal model for signal probability and reliability analysis of logic circuits. The proposed Signal Probability Level Matrix (SPLM) provides us with the reliability and signal probability of the entire circuit as well as individual outputs. We can deal with SPLM very flexibly depending on different applications and design constraints. The accuracy and efficie

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SCHNEIDEWIND, NORMAN. "APPLYING NEURAL NETWORKS TO SOFTWARE RELIABILITY ASSESSMENT." International Journal of Reliability, Quality and Safety Engineering 17, no. 04 (2010): 313–29. http://dx.doi.org/10.1142/s0218539310003834.

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We adapt concepts from the field of neural networks to assess the reliability of software, employing cumulative failures, reliability, remaining failures, and time to failure metrics. In addition, the risk of not achieving reliability, remaining failure, and time to failure goals are assessed. The purpose of the assessment is to compare a criterion, derived from a neural network model, for estimating the parameters of software reliability metrics, with the method of maximum likelihood estimation. To our surprise the neural network method proved superior for all the reliability metrics that wer

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INOUE, SHINJI, YUKI NAKAGAWA, and SHIGERU YAMADA. "OPTIMAL SOFTWARE SHIPPING TIME ESTIMATION BASED ON A CHANGE-POINT HAZARD RATE MODEL." International Journal of Reliability, Quality and Safety Engineering 21, no. 02 (2014): 1450007. http://dx.doi.org/10.1142/s0218539314500077.

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Software failure-occurrence or the fault-detection phenomenon is changed notably in an actual testing phase or an operational phase due to the changes of factors influencing the software reliability growth process. Taking into consideration of the effect of the change in software reliability growth modeling is expected to conduct more accurate software reliability assessment because it is said that such approach enables us to conduct more plausible software reliability assessment reflecting an actual testing-environment. We develop a framework for developing software hazard rate models with ef

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Hambali, Burhan, Yusuf Hidayat, Yunyun Yudiana, et al. "Performance Assessment Instrument Model in Defensive Lob Learning for Elementary School Students." TEGAR: Journal of Teaching Physical Education in Elementary School 4, no. 2 (2021): 88–95. http://dx.doi.org/10.17509/tegar.v4i2.33832.

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The study was aimed at developing a performance assessment instrument model for defensive lob learning. The research method used was Research Development method for developing an assessment instrument referring to eight stages of activity, including choosing good test criteria, analyzing the sport to be tested, selecting and looking for theoretical concept literatures, selecting test items, establishing procedures, administering expert judgements, testing the instrument, and testing the estimated level of validity and reliability. The participants involved were fifth grade elementary school st

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He, Qing Chuan, Wen Hua Chen, Jun Pan, and Shi Jiao Wang. "Challenges in Reliability Assessment for Electronics." Advanced Materials Research 118-120 (June 2010): 419–23. http://dx.doi.org/10.4028/www.scientific.net/amr.118-120.419.

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There has been a growing interest in assessing the ongoing reliability of electronics and systems in order to predict failures and provide warning to avoid catastrophic failure. Methods based on prognostics and health management shows an enabling technology to assess the reliability of electronics and systems under its actual application conditions. However, many challenges in implementation of methods based on PHM still remain including: environmental and usage profiles for life-cycle loads, identification of failure mechanism, identification of failure PoF model, identification of parameters

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Li, Xiaoxu, Zhaojun Yang, Chuanhai Chen, et al. "A composite model of field reliability based on a generalized Arrhenius model and a support vector machine model for spindle systems." Advances in Mechanical Engineering 10, no. 9 (2018): 168781401880125. http://dx.doi.org/10.1177/1687814018801258.

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A spindle system is one of the key subsystems of machine tools, whose reliability affects machining precision and production cycle directly. In the field, spindle systems expose to operating environmental conditions and complex working conditions that are referred to as stresses in this article collectively, which can accelerate or decelerate the process of failure. In order to analyze field reliability of spindle systems, the main structure, failure modes of spindle systems are analyzed, and main stresses involved with reliability are determined preliminarily. Then, based on the failure mode

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Kamarudin, Nurfarihah, Tien Tien Lee, Aisyah Mohamad Sharif, Hafsah Taha, and Nurulsaidah Abdul Rahim. "Development and perception of students on e-Assessment Module for Chemistry Massive Open Online Course (MOOC)." Journal of Science and Mathematics Letters 8, no. 2 (2020): 109–21. http://dx.doi.org/10.37134/jsml.vol8.2.13.2020.

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The results of the needs analysis and previous studies indicate that the implementation of the Massive Open Online Course (MOOC) has not yet achieved the target set by the Ministry of Education Malaysia. Therefore, this study aimed to develop the e-assessment module for Chemistry MOOC and investigate the perception of 129 respondents among Bachelor of Chemistry Education students. This is a design and development research using ADDIE model. The instruments involved are the module content validity evaluation form, the module reliability questionnaire and the perception questionnaire. The result

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Mishra, Sambeet, Chiara Bordin, Jordi Mateo Fornes, and Ivo Palu. "Reliability framework for power network assessment." E3S Web of Conferences 80 (2019): 02005. http://dx.doi.org/10.1051/e3sconf/20198002005.

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Reliability of power system in terms of investments in network maintenance and restructuring for power distribution network has gained importance due to increase in distributed generation. To determine the reliability of the power distribution network, the state of power apparatus, losses in the network and consumer satisfaction indices are key factors. Considering the aforementioned, this paper proposes a holistic reliability framework for power distribution networks. The framework lists the following factors: life cycle of power apparatus, environmental and sociological, node reliability, ar

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Yang, Zhaojun, Xiaoxu Li, Chuanhai Chen, et al. "Reliability assessment of the spindle systems with a competing risk model." Proceedings of the Institution of Mechanical Engineers, Part O: Journal of Risk and Reliability 233, no. 2 (2018): 226–34. http://dx.doi.org/10.1177/1748006x18770343.

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Traditional reliability assessment of spindle systems of machine tools suffers from long testing time and high cost. Accelerated life testing is an alternative that overcomes the shortcomings of traditional reliability testing. In a life testing, identification of critical factors of service life and an accurate model are important. Based on the characteristic analysis and engineering experience, four reliability factors, which are the average power of spindle systems, the number of tool changing, the number of spindles restarting and environment temperature, are selected as accelerating envir

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Prativi, Ramadanti, Murni Ramli, and Yudi Rinanto. "Frayer model-based assessment for detecting students' conceptual understanding in evolution." International Journal of Evaluation and Research in Education (IJERE) 13, no. 6 (2024): 3686–95. https://doi.org/10.11591/ijere.v13i6.29423.

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This study aimed to test the validity, reliability, and difficulty level of items developed based on the Frayer model and detect conceptual understanding of high school students in biology evolution. The test method evaluated 35 multiple-choice questions on evolution for 55 high school students. Rasch analysis was performed to assess the validity, reliability, difficulty level of items, and students’ ability level. Two experts empirically tested and analyzed the validity of the items. The assessment developed was discovered to be valid based on expert and empirical analyses. Furthermore,

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Wang, Yuhe, Peili Qiao, Zhiyong Luo, Guanglu Sun, and Guangze Wang. "Reliability Assessment Model for Industrial Control System Based on Belief Rule Base." International Journal of Computers Communications & Control 14, no. 3 (2019): 419–36. http://dx.doi.org/10.15837/ijccc.2019.3.3548.

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This paper establishes a novel reliability assessment method for industrial control system (ICS). Firstly, the qualitative and quantitative information were integrated by evidential reasoning(ER) rule. Then, an ICS reliability assessment model was constructed based on belief rule base (BRB). In this way, both expert experience and historical data were fully utilized in the assessment. The model consists of two parts, a fault assessment model and a security assessment model. In addition, the initial parameters were optimized by covariance matrix adaptation evolution strategy (CMA-ES) algorithm,

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KOHDA, TAKEHISA, and KOICHI INOUE. "SAFETY ASSESSMENT MODEL OF SOFTWARE FOR FAILURE DIAGNOSIS SYSTEMS." International Journal of Reliability, Quality and Safety Engineering 06, no. 01 (1999): 81–89. http://dx.doi.org/10.1142/s0218539399000097.

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The software for a failure diagnosis system can be represented in terms of production rules; the condition part represents a system failure condition and the conclusion part corresponds to a cause of the system failure or an appropriate protective action to be taken. This paper proposes a safety assessment model of the software to evaluate its contribution to the risk caused by the entire failure diagnosis system. The proposed risk criterion considers not only the reliability of hardware components of the failure diagnosis system, but also the reliability characteristics of the system to be mo

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Chou, P. H., K. N. Chiang, and Steven Y. Liang. "Reliability Assessment of Wafer Level Package using Artificial Neural Network Regression Model." Journal of Mechanics 35, no. 6 (2019): 829–37. http://dx.doi.org/10.1017/jmech.2019.20.

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ABSTRACTFor electronic packaging structure, there are many design parameters that will affect its reliability performance, using experimental way to obtain the reliability result will take a considerable amount of time. Therefore, how to shorten the design time becomes a critical issue for new electronic packaging structure development. This research will combine artificial intelligence (AI) and simulation technology to assess the long-term reliability of wafer level packaging (WLP). A simulation technology using finite element method (FEM) with appropriate mechanics theories has been validate

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Lv, Cheng Cheng, Zong Zhan Gao, Feng Zhang, and Tong Feng Gao. "Non-Probabilistic Reliability Computation and Efficiency Assessment Based on Interval Model." Applied Mechanics and Materials 685 (October 2014): 646–50. http://dx.doi.org/10.4028/www.scientific.net/amm.685.646.

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A new interval non-probabilistic reliability method is proposed in this paper. The sampling control factor is introduced, which can regulate the distribution of the sampling domain structure. The efficiency of the reliability calculation is effectively improved. The numerical results prove that this method can effectively and feasibly improve the computational efficiency of structural reliability by changing the value in practical engineering calculations when is located at a suitable interval.

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Zhao, Wei Tao, Dong Lin Yao, and Wei Ping Zhang. "Reliability Assessment for Small Sample Based on Interval Degradation Data." Advanced Materials Research 199-200 (February 2011): 534–37. http://dx.doi.org/10.4028/www.scientific.net/amr.199-200.534.

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Based on reliability analysis theory, traditional interval reliability analysis method is improved by take the smaller value of probability reliability and interval reliability as the results of reliability assessment, which makes the reliability assessment results more fit engineering cases. The improved model is applied to reliability assessment of small sample products with degradation characteristics, and results of assessment are compared with existing methods. A numerical example is considered, the results show that the assessment results by the method proposed in the paper is reasonable

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