Proceedings of the 20th IEEE Instrumentation Technology Conference (Cat. No.03CH37412)最新文献

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Application of real-time operating system QNX for automatic determination of dynamic properties of resistance furnaces identification 应用实时操作系统QNX进行电阻炉动态性能的自动测定鉴定
D. Sankowski, K. Strzecha, H. Kołodziejski, A. Albrecht, R. Wojciechowski
{"title":"Application of real-time operating system QNX for automatic determination of dynamic properties of resistance furnaces identification","authors":"D. Sankowski, K. Strzecha, H. Kołodziejski, A. Albrecht, R. Wojciechowski","doi":"10.1109/IMTC.2003.1208023","DOIUrl":"https://doi.org/10.1109/IMTC.2003.1208023","url":null,"abstract":"In this paper, the practical implementation of application of a real-time operating system QNX for automatic dynamic properties of resistance furnaces identification aims is presented. A theory of control and identification of electrothermic objects is introduced. Results of tests on a real resistance furnace are shown.","PeriodicalId":135321,"journal":{"name":"Proceedings of the 20th IEEE Instrumentation Technology Conference (Cat. No.03CH37412)","volume":"63 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2003-05-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124798915","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 3
A novel small signal power line quality measurement system 一种新型的小信号电力线质量测量系统
P. Crilly, E. Bonaldi, L.E. de Lacarda de Oliveira, L. E. Borges da Silva
{"title":"A novel small signal power line quality measurement system","authors":"P. Crilly, E. Bonaldi, L.E. de Lacarda de Oliveira, L. E. Borges da Silva","doi":"10.1109/IMTC.2003.1208223","DOIUrl":"https://doi.org/10.1109/IMTC.2003.1208223","url":null,"abstract":"We investigate a technique to measure low level power line harmonics using adaptive cancellation of the fundamental component. The technique reduces the effect of quantization noise and extends the dynamic range of the analog-to- digital converter (ADC). It also enables good accuracy with a reduced bit ADC.","PeriodicalId":135321,"journal":{"name":"Proceedings of the 20th IEEE Instrumentation Technology Conference (Cat. No.03CH37412)","volume":"60 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2003-05-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125804498","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
The random-fuzzy variables: A new approach for the expression of uncertainty in measurement 随机-模糊变量:测量不确定度表达的一种新方法
A. Ferrero, S. Salicone
{"title":"The random-fuzzy variables: A new approach for the expression of uncertainty in measurement","authors":"A. Ferrero, S. Salicone","doi":"10.1109/IMTC.2003.1208000","DOIUrl":"https://doi.org/10.1109/IMTC.2003.1208000","url":null,"abstract":"The IEC-ISO Guide to the expression of uncertainty in measurement provides the definition of the uncertainty of a measurement result and the guidelines to estimate express and process it. The guide refers to the probability theory, as the most known and used mathematical tool to deal with distributions of values. However, the probability theory is not the only tool to deal with distributions of values and is not the most suitable one when the values do not distribute in a totally random way. A more general theory, the theory of the evidence should be considered that encompasses the probability theory and the possibility theory. This paper recalls the fundamentals of the theory of the evidence and shows how the random-fuzzy variables can be framed within this theory and usefully employed to represent the result of a measurement together with its associated uncertainty. Mathematics is defined on the random-fuzzy variables, so that the uncertainty can be processed and simple examples are given showing the effectiveness of these variables in expressing the result of a measurement and its uncertainty in full agreement with the spirit of the IEC-ISO Guide.","PeriodicalId":135321,"journal":{"name":"Proceedings of the 20th IEEE Instrumentation Technology Conference (Cat. No.03CH37412)","volume":"27 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2003-05-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126021813","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 49
Creating spectrally pure signals for adc-testing 为adc测试创建频谱纯净的信号
D. Rabijns, G. Vandersteen, W. van Moer, Y. Rolain, J. Schoukens
{"title":"Creating spectrally pure signals for adc-testing","authors":"D. Rabijns, G. Vandersteen, W. van Moer, Y. Rolain, J. Schoukens","doi":"10.1109/IMTC.2003.1208230","DOIUrl":"https://doi.org/10.1109/IMTC.2003.1208230","url":null,"abstract":"Abslracl For accurate testing of analog-to-digital converters (ADC), the spectral purity of the input signal is utterly important. This paper describes a method to create very pure signals, such as sine waves, dual-tones or multi-tones, using only power measurements. The signals are generated with an arbitrary waveform generator (AWG). Any unwanted spectral line is removed, independent of its exact origin. This allows to apply the correct signal to the ADC under test, even if the signal source is not perfect or is followed by filters or amplifiers with a small non-linear distortion. Measurements are used to demonstrate the capabilities of the method.","PeriodicalId":135321,"journal":{"name":"Proceedings of the 20th IEEE Instrumentation Technology Conference (Cat. No.03CH37412)","volume":"64 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2003-05-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116165111","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 11
Robotic tactile recognition of pseudo-random encoded objects 伪随机编码物体的机器人触觉识别
E. Petriu, S. Yeung, S.R. Das, H. Spoelder
{"title":"Robotic tactile recognition of pseudo-random encoded objects","authors":"E. Petriu, S. Yeung, S.R. Das, H. Spoelder","doi":"10.1109/IMTC.2003.1207980","DOIUrl":"https://doi.org/10.1109/IMTC.2003.1207980","url":null,"abstract":"This paper discusses a model-based method for the blind tactile recognition of 3D objects. Object surfaces are permanently encoded using distinct geometric symbols embossed on object surfaces with the terms of a \"pseudo-random array\" (PRA). The PRA window property allows identifying the absolute coordinates of the investigated surface area within the encoding PRA. Knowing how different object-models were originally mapped on the PRA allows recovering the identity of the touched object by a simple consultation of the database storing this mapping.","PeriodicalId":135321,"journal":{"name":"Proceedings of the 20th IEEE Instrumentation Technology Conference (Cat. No.03CH37412)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2003-05-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128773733","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
Ultrasonic technologies for advanced process monitoring, measurement, and control 用于先进过程监测、测量和控制的超声波技术
L. Bond, M. Morra, M. S. Greenwood, J. Bamberger, R. A. Pappas
{"title":"Ultrasonic technologies for advanced process monitoring, measurement, and control","authors":"L. Bond, M. Morra, M. S. Greenwood, J. Bamberger, R. A. Pappas","doi":"10.1109/IMTC.2003.1207959","DOIUrl":"https://doi.org/10.1109/IMTC.2003.1207959","url":null,"abstract":"Ultrasonic signals are well suited for characterizing of liquids, slurries, and multiphase flows. Ultrasound sensor systems provide real-time insitu measurements or visualizations, and the sensing systems are compact, rugged, and relatively inexpensive. The objective is to develop ultrasonic sensors that 1) can be attached permanently to a pipeline wall, possibly as a spool piece inserted into the line, and 2) can clamp onto an existing pipeline wall and be movable to another location. Two examples of systems based on pulse-echo and transmission signal analysis are used to illustrate some of the capabilities of ultrasonic online measurements with technologies that have applications in the nuclear, petrochemical, and food processing industries.","PeriodicalId":135321,"journal":{"name":"Proceedings of the 20th IEEE Instrumentation Technology Conference (Cat. No.03CH37412)","volume":"23 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2003-05-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125123495","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 9
Spectra analysis of nonuniformly holding signals for time-interleaved systems with timing mismatches 时序不匹配时交错系统非均匀保持信号的频谱分析
U. Seng-Pan, Sai-Weng Sin, R. Martins
{"title":"Spectra analysis of nonuniformly holding signals for time-interleaved systems with timing mismatches","authors":"U. Seng-Pan, Sai-Weng Sin, R. Martins","doi":"10.1109/IMTC.2003.1207961","DOIUrl":"https://doi.org/10.1109/IMTC.2003.1207961","url":null,"abstract":"This paper will present a complete analysis of signal spectra for general time-interleaved systems with the practical nonuniformly holding outputs imposed by the timing-mismatch effects. The analysis reveals first the spectra representation for different-form nonuniformly holding signal and then their closed-form expressions of the signal-to-noise ratio (SNR), in terms of the number of channels, signal frequency, and jitter errors. Such analysis describes both the timing errors imposed by random clock-jitter and fixed periodic clock-skew. MATLAB simulation results are then presented to illustrate the effectiveness of the derived formula.","PeriodicalId":135321,"journal":{"name":"Proceedings of the 20th IEEE Instrumentation Technology Conference (Cat. No.03CH37412)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2003-05-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129922495","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
Adaptive deconvolution approach for estimating the input of checkweighing systems 一种估计校验称重系统输入的自适应反卷积方法
M. Halimic, W. Balachandran, F. Cecelja, M. Tariq
{"title":"Adaptive deconvolution approach for estimating the input of checkweighing systems","authors":"M. Halimic, W. Balachandran, F. Cecelja, M. Tariq","doi":"10.1109/IMTC.2003.1207923","DOIUrl":"https://doi.org/10.1109/IMTC.2003.1207923","url":null,"abstract":"In this paper, we present the application of an adaptive deconvolution filter to suppress noise within the bandwidth of the desired signal with the particular aim to improve the accuracy of dynamic weighing. The obtained results showed a significant improvement in both the accuracy, but also the throughput rate of a dynamic checkweigher.","PeriodicalId":135321,"journal":{"name":"Proceedings of the 20th IEEE Instrumentation Technology Conference (Cat. No.03CH37412)","volume":"18 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2003-05-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126692221","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 8
Signal processing strategies with the tdemi measurement system tsemi测量系统的信号处理策略
F. Krug, T. Hermann, P. Russer
{"title":"Signal processing strategies with the tdemi measurement system","authors":"F. Krug, T. Hermann, P. Russer","doi":"10.1109/IMTC.2003.1208272","DOIUrl":"https://doi.org/10.1109/IMTC.2003.1208272","url":null,"abstract":"A low-cost electromagnetic compatibility precompliance test-set is essential to reduce the development costs of any electrical device. In this paper we discuss the advantages of broadband time-domain preliminary compliance measurement techniques applied to all types of electromagnetic interferences. The digital signal processing of electromagnetic interference measurements allows emulating in real-time the various modes of conventional analogous equipment, e.g., peak, average, root mean square, and quasi-peak detector mode. Since time-domain techniques allow processing the whole amplitude spectrum in parallel, the measurement time may be reduced by at least one order of magnitude. Compliance measurement results for conducted and radiated emissions obtained with the time-domain electromagnetic interference (TDEMI) system are shown. The TDEMI system has a real-time bandwidth of 1.5 GHz. Measurement techniques for nonstationary signals and single events are discussed.","PeriodicalId":135321,"journal":{"name":"Proceedings of the 20th IEEE Instrumentation Technology Conference (Cat. No.03CH37412)","volume":"17 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2003-05-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129133870","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 34
Mask topologies- a means to minimizing sensitivity to clock jitter in higher-order continuous-time sigma-delta modulators 掩模拓扑-一种在高阶连续时间σ - δ调制器中最小化对时钟抖动灵敏度的方法
P. Bénabès, I. Kale
{"title":"Mask topologies- a means to minimizing sensitivity to clock jitter in higher-order continuous-time sigma-delta modulators","authors":"P. Bénabès, I. Kale","doi":"10.1109/IMTC.2003.1208160","DOIUrl":"https://doi.org/10.1109/IMTC.2003.1208160","url":null,"abstract":"A A ? : This paper proposes and reports on results of a novel method that highly reduces the undesirable effects of clock jitter and makes the use of higher-order continuoustime sigma-delta modulators a reality thereby paving the way to the possibility of Sigma-Delta modulators operating at GHz frequencies with reduced power consumption and much simplified implementation complexities compared to their Discrete-Time Counterparts. The novel technique reported in this paper is primarily dependent on the use of HRZpulseprofiles on the feed-back DAC and the use of the MASH architecture, with a fast and accurate sample and hold circuit behveen eachfirst order stage.","PeriodicalId":135321,"journal":{"name":"Proceedings of the 20th IEEE Instrumentation Technology Conference (Cat. No.03CH37412)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2003-05-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129170887","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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