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Journal articles on the topic 'Methods Time Measurement'

Author: Grafiati

Published: 4 June 2021

Last updated: 25 July 2025

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1

Wiwik, Sumarmi. "Measurement of Standard Time Work with the Predetermined Motion Time System Method at the Production Department in PT.PIJ Sidoarjo." Engineering and Technology Quarterly Reviews 2, no. 2 (2019): 101–7. https://doi.org/10.5281/zenodo.3334517.

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The purpose of this study is to measure standard work time in the production section at “PT. Prestasi Ide Jaya” (PT.PIJ) where there are several workers and machine operators, if between one of the operators on each machine does not work properly it will cause the production process to stop. In this study there are two variables, namely 1) the dependent variable is the time and movement of the machine operator, 2) the independent variable of several Therblig movements: a. reach out, b. take off, c. holding, d. direct, and e. transport. Measuring the standard time of operator moveme

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Tavakolian, Kouhyar. "Systolic Time Intervals and New Measurement Methods." Cardiovascular Engineering and Technology 7, no. 2 (2016): 118–25. http://dx.doi.org/10.1007/s13239-016-0262-1.

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Grepl, J., M. Penhaker, J. Kubíček, et al. "Real Time Breathing Signal Measurement: Current Methods." IFAC-PapersOnLine 48, no. 4 (2015): 153–58. http://dx.doi.org/10.1016/j.ifacol.2015.07.024.

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Healy, D., and F. E. Hicks. "Index velocity methods for winter discharge measurement." Canadian Journal of Civil Engineering 31, no. 3 (2004): 407–19. http://dx.doi.org/10.1139/l04-001.

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At present, the only truly accurate method of determining discharge under ice-affected conditions is by direct measurement. However, this is a costly undertaking that places technicians at personal risk. Because of this, the Water Survey of Canada often bases winter discharge hydrographs on as few as two direct measurements over the entire ice-affected season. This study explores the viability of using an index velocity approach to winter discharge measurement, which basically involves the determination of streamflow based on a very limited number of actual point velocity measurements in the c

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Gottu Mukkula, Anwesh Reddy, and Sebastian Engell. "Handling Measurement Delay in Iterative Real-Time Optimization Methods." Processes 9, no. 10 (2021): 1800. http://dx.doi.org/10.3390/pr9101800.

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This paper is concerned with the real-time optimization (RTO) of chemical plants, i.e., the optimization of the steady-state operating points during operation, based on inaccurate models. Specifically, modifier adaptation is employed to cope with the plant-model mismatch, which corrects the plant model and the constraint functions by bias and gradient correction terms that are computed from measured variables at the steady-states of the plant. This implies that the sampling time of the iterative RTO scheme is lower-bounded by the time to reach a new steady-state after the previously computed i

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Serdenko, Taisiia, Vasyl Kabatsii, Ruslan Rosul, and Larysa Prots. "MEASUREMENT AND CONTROL METHODS IN ELECTRICAL ENGINEERING." Measuring Equipment and Metrology 86, no. 2 (2025): 12–17. https://doi.org/10.23939/istcmtm2025.02.012.

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The article focuses on innovative measurement and control methods in electrical power engineering, specifically addressing challenges of power quality, signal diagnostics, and automation within smart grids. Emphasis is placed on wavelet analysis, smart metering, IoT integration, and automated control systems. These technologies are examined in the context of enhancing the adaptability and efficiency of modern electrical systems in line with Industry 4.0 requirements. Particular emphasis is placed on wavelet analysis, which serves as a universal tool for diagnosing non-stationary electrical sig

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Odziemczyk, Waldemar, and Marek Woźniak. "Analysis of railway track geometry measurement methods usability." Transportation Overview - Przeglad Komunikacyjny 2018, no. 8 (2018): 40–50. http://dx.doi.org/10.35117/a_eng_18_08_05.

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Precise information of railway tracks geometry is necessary to design alignment project. Geodetic measurements are the most common method of determining this information and sags of arch direct measurement are the traditional and still popular measurement method. Development of geodetic measurements techniques made possible to use another methods such as tacheometry, GNSS, and new methods based on mobile measurement devices. Series of experiments were conducted to set the practical usability of selected modern measurement methods to design track alignment project. The experimental measurements

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Utsumi, Yozo, Toshihisa Kamei, Ryo Naito, and Katsuhiko Saito. "Measurement Methods of Nematic Liquid Crystal Response Time." Molecular Crystals and Liquid Crystals 434, no. 1 (2005): 9/[337]—24/[352]. http://dx.doi.org/10.1080/15421400590954452.

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Modini, Rob L., and Satoshi Takahama. "Sampling strategies and post-processing methods for increasing the time resolution of organic aerosol measurements requiring long sample-collection times." Atmospheric Measurement Techniques 9, no. 7 (2016): 3337–54. http://dx.doi.org/10.5194/amt-9-3337-2016.

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Abstract. The composition and properties of atmospheric organic aerosols (OAs) change on timescales of minutes to hours. However, some important OA characterization techniques typically require greater than a few hours of sample-collection time (e.g., Fourier transform infrared (FTIR) spectroscopy). In this study we have performed numerical modeling to investigate and compare sample-collection strategies and post-processing methods for increasing the time resolution of OA measurements requiring long sample-collection times. Specifically, we modeled the measurement of hydrocarbon-like OA (HOA)

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Kuć, Michał. "Fast method of determining the ambient dose equivalent at a depth of 10 mm of gamma-neutron fields based on recombination methods." Radiation Protection Dosimetry 199, no. 15-16 (2023): 1872–76. http://dx.doi.org/10.1093/rpd/ncad016.

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Abstract The subject of the work is the presentation of a new measurement algorithm to be used in dosimetry, based on recombination chambers and methods. The algorithm enables fast measurements of the ambient dose equivalent rate H*(10) with a time resolution of several seconds. In addition to significantly reducing the measurement time, the method allows for the automation of the measurement with continuous evaluation of the results quality. Operating principles are based on frequent charge measurements with precise determination of the measurement moment. With well-known charge and measureme

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Didenko, N. "Analysis of target uncertainty assessment methods." Reporter of the Priazovskyi State Technical University. Section: Technical sciences, no. 48 (June 27, 2024): 104–10. http://dx.doi.org/10.31498/2225-6733.48.2024.310688.

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For almost 25 years, mankind has been dealing with the problems of estimating measurement uncertainty. When applying uncertainty, the goal is not to determine the true value during the measurement as far as possible. That is, it is recognized that the information obtained during the measurement allows only to assign a reasonable interval of values for the measured value, based on the assumption that no errors were made during the measurement. However, even the most accurate measurements cannot reduce this interval to a single value due to the finite number of details in the description of th

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Zeng, Xinyu, and Olha Lysa. "RESPONSE TIME IN INERTIAL MEASUREMENT UNIT CONTROL ALGORITHMS." Measuring Equipment and Metrology 85, no. 2 (2024): 5–8. http://dx.doi.org/10.23939/istcmtm2024.02.005.

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The Inertial Measurement Unit (IMU) [1] is a cornerstone technology in various fields, ranging from aerospace to consumer electronics, where accurate motion tracking is paramount. Central to the effectiveness of an IMU is the quality of data processing, particularly in the context of filtering techniques. This study compares two filtering methods: Complementary Filters and Kalman Filters, in their application to IMU data processing. Complementary Filters, known for their simplicity and efficiency, contrast with the more complex but potentially more accurate Kalman Filters. Our investigation de

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Kraturerk, Chalermrit, Sompob Poopitaya, and Roongrath Chitragran. "COMPARISON OF THE COBB ANGLE MEASUREMENT BETWEEN MANUAL AND DIGITAL METHODS AMONG FIVE MILITARY HOSPITALS." Journal of Southeast Asian Medical Research 5, no. 2 (2021): 51–57. http://dx.doi.org/10.55374/jseamed.v5i2.88.

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Background: The Cobb angle measurement of the spine is an important parameter for assessing patients with scoliosis in terms of diagnosis, treatment planning, follow-up for severity and disease progression. This angle can be obtained from a plain X-ray film in an upright posteroanterior view or can be measured from digital images. A 5° curve progression is considered clinically significant. Objective: This study aimed to compare the accuracy and difference of the Cobb angle measurements between manual and digital methods among 5 military hospitals located in the 1st area of command havin

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Didi, Junaedi, and Roswandi Iwan. "Analysis of Work Time Measurement with Work Sampling Method and Method Time Measurement (MTM)." Journal of Scientific and Engineering Research 8, no. 4 (2021): 157–66. https://doi.org/10.5281/zenodo.10589233.

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<strong>Abstract</strong> Production planning plays an important role in making production scheduling, one of which is working time measurement. The research was conducted in cosmetic companies in the Quality Control (QC) section, more precisely QC Formulations. After QC formulation, there is a production process; this process already uses an automatic machine, which is required scheduling for the operating hours of the machine. While the QC formulation process is still manually using human power, it is necessary to measure the working time to know the standard time on the formulation QC to sc

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Klebba, Maciej, Arkadiusz Adamczyk, Mariusz Wąż, and Dominik Iwen. "Application of Multi-Criteria Optimization Methods in the Calibration Process of Digital Measuring Instruments." Sensors 23, no. 6 (2023): 2984. http://dx.doi.org/10.3390/s23062984.

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The article describes the use of multi-criteria optimization methods during the calibration of digital multimeters. Currently, calibration is based on a single measurement of a specific value. The aim of this research was to confirm the possibility of using a series of measurements in order to reduce the measurement uncertainty without significantly extending the calibration time. The automatic measurement loading laboratory stand used during the conducted experiments was essential to obtain results that allowed confirming the thesis. This article presents the applied optimization methods and

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Lukács, Bence, and Miklós Antal. "The reduction of working time: definitions and measurement methods." Sustainability: Science, Practice and Policy 18, no. 1 (2022): 710–30. http://dx.doi.org/10.1080/15487733.2022.2111921.

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Zhang, W., C. Edwards, D. Gong, et al. "TDC with uncontrolled delay lines: calibration approaches and precision improvement methods." Journal of Instrumentation 18, no. 01 (2023): C01011. http://dx.doi.org/10.1088/1748-0221/18/01/c01011.

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Abstract The time-to-digital-converter (TDC) using uncontrolled delay lines has a simple structure and finer measurement precision since the delay cells are pure digital gates that operate at maximum speed. For every incoming hit, two “snapshots” of the delay line are taken by the register array with two strobes separated with a known time interval. With two measurements, propagation delays of each cell in the delay line can be calibrated for the operating temperature and voltage. The two measurements can also be averaged to improve the TDC measurement precision. We will discuss various calibr

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Rinas, D., and S. Frei. "Two methods for transmission line simulation model creation based on time domain measurements." Advances in Radio Science 9 (July 29, 2011): 117–21. http://dx.doi.org/10.5194/ars-9-117-2011.

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Abstract. The emission from transmission lines plays an important role in the electromagnetic compatibility of automotive electronic systems. In a frequency range below 200 MHz radiation from cables is often the dominant emission factor. In higher frequency ranges radiation from PCBs and their housing becomes more relevant. Main sources for this emission are the conducting traces. The established field measurement methods according CISPR 25 for evaluation of emissions suffer from the need to use large anechoic chambers. Furthermore measurement data can not be used for simulation model creation

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Zimmermann, Corinna, Adrian Michelmann, Yannick Daniel, Markus D. Enderle, Nermin Salkic, and Walter Linzenbold. "Application of Deep Learning for Real-Time Ablation Zone Measurement in Ultrasound Imaging." Cancers 16, no. 9 (2024): 1700. http://dx.doi.org/10.3390/cancers16091700.

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Background: The accurate delineation of ablation zones (AZs) is crucial for assessing radiofrequency ablation (RFA) therapy’s efficacy. Manual measurement, the current standard, is subject to variability and potential inaccuracies. Aim: This study aims to assess the effectiveness of Artificial Intelligence (AI) in automating AZ measurements in ultrasound images and compare its accuracy with manual measurements in ultrasound images. Methods: An in vitro study was conducted using chicken breast and liver samples subjected to bipolar RFA. Ultrasound images were captured every 15 s, with the AI mo

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Di, Mingwei, Anmin Zhang, Bofeng Guo, Jiali Zhang, Rongxia Liu, and Mengyuan Li. "Evaluation of Real-Time PPP-Based Tide Measurement Using IGS Real-Time Service." Sensors 20, no. 10 (2020): 2968. http://dx.doi.org/10.3390/s20102968.

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Tide data plays a key role in many marine scientific research fields such as seafloor topography measurement and navigation safety. To obtain reliable tide data, various methods have been proposed, e.g., tide station measurement, satellite altimeter measurement, and differential global positioning system (GPS) buoy measurement. However, these methods suffer from the limitation that continuous observations at different areas might not be always available. In order to provide high-precision as well as continuous real-time tide data, we propose a method based on real-time precise point positionin

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González-Blanco, Pilar, and Manuel Sierra-Castañer. "Analysis of time filtering techniques for echo reduction in antenna measurements." International Journal of Microwave and Wireless Technologies 9, no. 7 (2017): 1387–95. http://dx.doi.org/10.1017/s1759078717000873.

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This paper presents a review of filtering methods to eliminate echo in antenna measurements. Two different methods, fast Fourier transform and Matrix Pencil, are explained, compared, and simulated in a planar near field where other effects, such as aliasing, can and will be present if the simulation is not appropriately made and the parameters are not carefully chosen. Finally both methods are applied to real measurements of a dipole in a Microwave Vision Group multiprobe system and of a horn in a single-cut measurement. Other effects, such as window shift, may appear depending on the geometry

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Song, Chung R., Richard L. Wood, Binyam Bekele, Nikolas Glennie, Alex Silvey, and Mitra Nasimi. "A Comparison of Surface Deformation Measurement Methods for Slopes." Applied Sciences 13, no. 6 (2023): 3417. http://dx.doi.org/10.3390/app13063417.

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This study aimed to promote an efficient and reliable collection of deformation data for earthen slopes by comparing the Total Station (TS), Distributed Strain Sensing (DSS), and Uncrewed Aerial System (UAS)-based deformation measurement methods. The TS-based method was a two-person task with a longstanding “tried and true” reputation, and it provided acceptable results. However, it included a major portion of manual work in the field, potentially consuming extended time to obtain high-resolution data. The DSS-based method was a fiber optic cable-based one-person work, and it showed substantia

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Velychko, Oleh, and Tetyana Gordiyenko. "The evaluation of the long-term drift of electrical capacitance measurement standards by two methods." Ukrainian Metrological Journal, no. 2 (June 25, 2024): 18–24. http://dx.doi.org/10.24027/2306-7039.2.2024.307149.

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Measurements of electrical capacitance are essential in various fields of electrical engineering, electronics and other fields. Capacitance measurements are necessary for correct design of electrical circuits and devices. Such measurements help ensure the stability and reliability of electrical systems such as power supplies, filters, capacitors, etc. In some applications, such as radio transmitters, filters, and other electronic devices, it is needed to maintain certain frequency characteristics. It is critical and appropriate to consider various factors related to the drift of the measuring

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Azmir, Azra Ariel, Ni Made Ary Esta Dewi Wirastuti, and Komang Oka Saputra. "Review methods for clock skew measurement." MATRIX : Jurnal Manajemen Teknologi dan Informatika 12, no. 3 (2022): 117–22. http://dx.doi.org/10.31940/matrix.v12i3.117-122.

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Clock skew is the deviation of the clock from the true time, which makes it an important role in time information. Clock skew is unavoidable and causes each clock to run at a different speed, so there is a very slight difference between them, but it can still be observed properly. The known properties of clock skew make it potential research for many experts, such as Paxson, Aoki, and Huang. To produce a more accurate clock skew measurement, this study uses the ant colony optimization method by adopting the behavior of an ant colony in searching for food by choosing the path with the shortest

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Galla, Stanislaw, Arkadiusz Szewczyk, Janusz Smulko, and Patryk Przygocki. "Methods of Assessing Degradation of Supercapacitors by Using Various Measurement Techniques." Applied Sciences 9, no. 11 (2019): 2311. http://dx.doi.org/10.3390/app9112311.

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This article presents the qualitative analyses of the construction of supercapacitor samples. The analyses are based on the suggested thermographic measurements as well as the technique of testing the inherent noise of the investigated element. The indicated assessment methods have been referred to the currently used parameters for the qualitative evaluation of supercapacitors. The approach described in this paper, which introduces additional parameters assessing worn out of supercapacitors, can be included in the so-called non-invasive measurement methods, which allow the assessment of the co

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Zhao, Jun, Zhiliang Zhao, and Li Fu. "Research on the High Resolution Precision Time-interval Measurement Methods." Procedia Engineering 174 (2017): 1257–61. http://dx.doi.org/10.1016/j.proeng.2017.01.298.

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Schwab, James J., Yongquan Li, Min-Suk Bae, et al. "A Laboratory Intercomparison of Real-Time Gaseous Ammonia Measurement Methods." Environmental Science & Technology 41, no. 24 (2007): 8412–19. http://dx.doi.org/10.1021/es070354r.

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Miyashita, Leo, and Masatoshi Ishikawa. "Real-Time Inspection of Rod Straightness and Appearance by Non-Telecentric Camera Array." Journal of Robotics and Mechatronics 34, no. 5 (2022): 975–84. http://dx.doi.org/10.20965/jrm.2022.p0975.

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In this paper, we propose a measurement system that employs a camera array based on a non-telecentric optical system and an accompanying measurement algorithm to measure the straightness, length, diameter, and appearance of a rod. Measurements using telecentric optical systems, which employ orthogonal projection to preserve the dimensional ratios regardless of distance, are common in image-based inspection of the dimensional or geometrical tolerances of industrial products. However, some cases depend on the size of the target or inspection item, wherein it is difficult to configure a measureme

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Volodymyr, Kvasnikov, and Perederko Anatolij. "Development of methods of processing sensor signal." Technology audit and production reserves 2, no. 1(46) (2019): 31–33. https://doi.org/10.15587/2312-8372.2019.169340.

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<em>The object of research is the process of processing the signal of the primary converter by a certain method. In carrying out measurements on the primary converter of the measuring system, in addition to the action parameter measurement, there are many secondary influences. One of them is the change in the temperature of the environment. This leads to the appearance in the measured signal of such a component as an additional constant level. It is caused by the generation of the primary converter in the absence of influence on the object of measurement of additional charge, potential. That i

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Chromčíková, Mária, and Marek Liška. "Application of Thermophysical Methods for Oxide/Silicate Glasses." Advanced Materials Research 1126 (October 2015): 99–104. http://dx.doi.org/10.4028/www.scientific.net/amr.1126.99.

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An brief overview of the selected thermo-physical measurements realized in the VILA laboratories for the glass industry and for the fundamental research of glass is presented. Among the routine measurements realized for the glass industry the thermodilatometry for measuring the glass transition temperature, and linear thermal expansion coefficients of glass and metastable glassforming melt are described in detail. The fact that the glass transition temperature is not a single valued physical quantity is stressed in connection with the measurement time temperature schedule. The probably most im

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Cai, Xiangming, Xuwei Zeng, Fengdi Qin, and Jian Shan. "Optimization Methods for Radon Progeny Measurement Based on the Three-Stage Method." Toxics 13, no. 1 (2025): 31. https://doi.org/10.3390/toxics13010031.

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In different measurement tasks, the duration allocated for radon progeny concentration measurement varies, and the requirements for measurement precision also differ. To accommodate the needs of various radon progeny concentration measurement tasks, this study takes the error in radon progeny concentration measurement as the optimization goal and the time points of the three-stage method as the optimization target, establishing an optimized three-stage method for radon progeny concentration measurement. The optimization algorithm allocates the three time periods under any total measurement tim

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Gurban İbadli, Ulduz Mammadov, Gurban İbadli, Ulduz Mammadov. "MEASUREMENT OF TRANSPORTED GAS CONSUMPTION: ANALYSIS OF MEASUREMENT METHODS." PAHTEI-Procedings of Azerbaijan High Technical Educational Institutions 36, no. 01 (2024): 444–54. http://dx.doi.org/10.36962/pahtei36012024-444.

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One of the key aspects in the development of the economy of the Republic of Azerbaijan is the export of natural gas to foreign countries. The relevance of the issue of measuring consumption increases over time with the expansion of gasification operations in the country and the growth of gas exports to the international market. Therefore, there is a demand for the development of new projects for the improvement of the used metering systems in accordance with modern standards, their reconstruction with more efficient methods, and the discovery and application of new measuring devices and method

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Vladimir, Y. Shcherban', A. Korogod Ganna, Z. Kolysko Oksana, et al. "COMPUTER IMPLEMENTATION OF ALGORITHMIC COMPONENTS OF REDUNDANT MEASUREMENT METHODS." International Journal of Intelligent Systems and Applications 12, no. 1 (2020): 23–32. https://doi.org/10.5815/ijisa.2020.01.03.

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This article demonstrates the implementation of the proposed algorithm for computer modeling of redundant measurement methods to solve problems to improve the accuracy of measurements of a controlled quantity with a nonlinear and unstable transformation function. Improving accuracy is achieved by processing the results of redundant measurements which are an array of data according to the proposed measurement equations. In addition, the article presents the possibility of determining the time variation of the parameters of the transformation function. A comparative analysis of the results of co

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Barnett, Megan, Alisha L. Jones, and Erin Westbrook. "Acceptable Noise Levels Determined by Traditional and Self-Assessed Methods." Journal of the American Academy of Audiology 32, no. 01 (2021): 003–9. http://dx.doi.org/10.1055/s-0040-1719092.

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AbstractBackground Many apps have been developed for users to screen their hearing in their own home. The purpose of this study was to investigate the validity and efficiency of a self-assessed acceptable noise level (ANL) in comparison to the traditional ANL measurements.Research Design A within-subject repeated measures research design was utilized.Data Collection and Analysis Sixty-two adults with normal hearing were recruited from Auburn University and the surrounding community. ANLs were measured utilizing the traditional measurement as well as the self-assessed ANL via the Unitron uHear

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Brummer, Madilyn R., Nicole L. Freisleben, Nathaniel J. Brookshire, et al. "226 Anogenital distance in beef heifers: repeatability and measurement methods." Journal of Animal Science 103, Supplement_1 (2025): 263–64. https://doi.org/10.1093/jas/skaf102.292.

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Abstract The objectives were to determine the repeatability of collecting anogenital distance (AGD) and to compare measurement methods in beef heifers. The AGD is defined as the center of the anus to the base of the clitoris. Shorter AGD has been associated with improved fertility in various species. Conventionally, AGD has been determined using caliper measurements; however, additional methods of measurement may be available that provide increased practicality for producers. The AGD measurements were collected over four different time points from Angus and Angus×Simmental heifers. Heifers wer

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Bajraktari, Flakë, Jan Liu, and Peter P. Pott. "Methods of Contactless Blood Pressure Measurement." Current Directions in Biomedical Engineering 8, no. 2 (2022): 439–42. http://dx.doi.org/10.1515/cdbme-2022-1112.

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Abstract Contactless blood pressure monitoring displays a chance for detecting hypertension and increasing the awareness of cardiovascular diseases. Camera-based methods show high potential for replacing inconvenient cuff-based technology. Blood pressure estimation through pulse transit time (PTT) and other parameters obtained from photoplethysmography (PPG) signal present a promising alternative to conventional blood pressure measurement. In this paper, recent approaches for contactless blood pressure monitoring were reviewed. All of the articles implemented systems based on PPG, whereas most

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Paiva, Ismael L., Augusto C. Lobo, and Eliahu Cohen. "Flow of time during energy measurements and the resulting time-energy uncertainty relations." Quantum 6 (April 7, 2022): 683. http://dx.doi.org/10.22331/q-2022-04-07-683.

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Uncertainty relations play a crucial role in quantum mechanics. Well-defined methods exist for the derivation of such uncertainties for pairs of observables. Other approaches also allow the formulation of time-energy uncertainty relations, even though time is not an operator in standard quantum mechanics. However, in these cases, different approaches are associated with different meanings and interpretations for these relations. The one of interest here revolves around the idea of whether quantum mechanics inherently imposes a fundamental minimum duration for energy measurements with a certain

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Otto, Jonas, Tino Steinmetz, Martin Schaeper, and Nils Damaschke. "Extension Of Spatial Filtering Technique Using Kalman Filters For Real-Time Pipe Flow Profile Measurements." Proceedings of the International Symposium on the Application of Laser and Imaging Techniques to Fluid Mechanics 21 (July 8, 2024): 1–16. http://dx.doi.org/10.55037/lxlaser.21st.166.

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Spatial filtering is used for real-time velocity measurement due to its computational efficiency. However, this method can be noisy in real measurement environments, requiring the averaging of a substantial number of measurements to achieve reliable results, which compromises temporal resolution. This study proposes enhancing the spatial filtering algorithm by implementing Kalman filtering for pipe flow profile measurements. Kalman filtering is expected to mitigate the noise issue more effectively than traditional methods like low-pass filtering while maintaining or improving the temporal reso

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Palanisamy, Rajendra P., Do-Kyung Pyun, and Alp T. Findikoglu. "Accurate Ultrasonic Thickness Measurement for Arbitrary Time-Variant Thermal Profile." Sensors 24, no. 16 (2024): 5304. http://dx.doi.org/10.3390/s24165304.

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Ultrasonic thickness measurement of mechanical structures is one of the most popular and commonly used nondestructive methods for various kinds of process control and corrosion monitoring. With ultrasonic propagation speed being temperature-dependent, the thickness measurement can be performed reliably only when the thermal profile is completely known. Most conventional techniques assume the temperature of the test structure is uniform and at room temperature across its thickness. Such assumptions may lead to large errors in the thickness measurement, especially when there are significant temp

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Kuosa, Markku, and Riku Kopra. "Novel methods for monitoring the sludge dewatering operation of a belt filter: a mill study." Nordic Pulp & Paper Research Journal 34, no. 4 (2019): 550–57. http://dx.doi.org/10.1515/npprj-2019-0012.

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Abstract During recent decades the quality of pulp and paper mill sludge has changed. This has awakened the need for an applicable means to observe the sludge dewatering process diversely and accurately. To maximize the solids content and energy efficiency of board mill sludge dewatering, different process monitoring options were studied. Novel methods for monitoring the sludge dewatering operation of a belt filter were tested. Continuous run-time measurements and test response experiments were carried out at a board mill site. IR transmittance measurement through the filter web and sludge mat

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Azhar, Izzuddin Fathin, Lesnanto Multa Putranto, and Roni Irnawan. "Development of PMU-Based Transient Stability Detection Methods Using CNN-LSTM Considering Time Series Data Measurement." Energies 15, no. 21 (2022): 8241. http://dx.doi.org/10.3390/en15218241.

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The development of electric power systems has become more complex. Consequently, electric power systems are operating closer to their limits and are more susceptible to instability when a disturbance occurs. Transient stability problems are especially prevalent. In addition, the identification of transient stability is difficult to achieve in real time using the current measurement data. This research focuses on developing a convolutional neural network—long short-term memory (CNN-LSTM) model using historical data events to detect transient stability considering time-series measurement data. T

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McElroy, Brandon, Jane Willenbring, and David Mohrig. "Addressing time-scale–dependent erosion rates from measurement methods with censorship." GSA Bulletin 130, no. 3-4 (2017): 381–95. http://dx.doi.org/10.1130/b31644.1.

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Moosmüller, H., W. P. Arnott, and C. F. Rogers. "Methods for Real-Time, In Situ Measurement of Aerosol Light Absorption." Journal of the Air & Waste Management Association 47, no. 2 (1997): 157–66. http://dx.doi.org/10.1080/10473289.1997.10464430.

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Kondyli, Alexandra, Bryan St. George, and Lily Elefteriadou. "Comparison of travel time measurement methods along freeway and arterial facilities." Transportation Letters 10, no. 4 (2016): 215–28. http://dx.doi.org/10.1080/19427867.2016.1245259.

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Wang, Wei-Chung, Chi-Hung Hwang, and Shu-Yu Lin. "Vibration measurement by the time-averaged electronic speckle pattern interferometry methods." Applied Optics 35, no. 22 (1996): 4502. http://dx.doi.org/10.1364/ao.35.004502.

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Morlock, Friedrich, Niklas Kreggenfeld, Louis Louw, Dieter Kreimeier, and Bernd Kuhlenkötter. "Teaching Methods-Time Measurement (MTM) for Workplace Design in Learning Factories." Procedia Manufacturing 9 (2017): 369–75. http://dx.doi.org/10.1016/j.promfg.2017.04.033.

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Bilski, Piotr, and Wiesław Winiecki. "Methods of assessing the time efficiency in the virtual measurement systems." Computer Standards & Interfaces 34, no. 6 (2012): 485–92. http://dx.doi.org/10.1016/j.csi.2011.10.011.

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Assef, Fernanda, Cassius Tadeu Scarpin, and Maria Teresinha Steiner. "Confrontation between techniques of time measurement." Journal of Manufacturing Technology Management 29, no. 5 (2018): 789–810. http://dx.doi.org/10.1108/jmtm-12-2017-0253.

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Purpose The purpose of this paper is to present a precise comparison between a pre-determined time rules and the evaluation performed with the help of a manual chronometer using data from a line assembly in an automotive industry besieged in the state of Paraná, Brazil. Nowadays, it is possible to verify several tools of measurement of task times, some taking less time and causing less wear of the evaluator than others, but not being in accordance with the real conditions of the workers of a certain industry. Design/methodology/approach The developed paper has its methodology based on two meth

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Yasuda, Keisuke. "Time-Of-Flight ERDA for Depth Profiling of Light Elements." Quantum Beam Science 4, no. 4 (2020): 40. http://dx.doi.org/10.3390/qubs4040040.

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The time-of-flight elastic recoil detection analysis (TOF-ERDA) method is one of the ion beam analysis methods that is capable of analyzing light elements in a sample with excellent depth resolution. In this method, simultaneous measurements of recoil ion energy and time of flight are performed, and ion mass is evaluated. The energy of recoil ions is calculated from TOF, which gives better energy resolution than conventional Silicon semiconductor detectors (SSDs). TOF-ERDA is expected to be particularly applicable for the analysis of light elements in thin films. In this review, the principle

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Hunyadi, Gergely, Tibor Bíró, Lili Mézes, and János Tamás. "New methods of compost homogeneity determination in sewage sludge based compost prisms." Acta Agraria Debreceniensis, no. 35 (October 20, 2009): 49–52. http://dx.doi.org/10.34101/actaagrar/35/2808.

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There is no effective method of homogeneity measurement of compost prism. The most frequently used technology is the examination of the particle distribution. This method needs a lot of time and large number of samples. The aim of our research is establishing different effective methods to determine the homogeneity of compost prisms. During our work, we examined the homogeneity of a prism made of sewage sludge and saw-dust mixture.The measurements were based on the different properties of raw materials. According to this we examined the homogeneity by moisture content, heavy metal content and

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