IMTC/98 Conference Proceedings. IEEE Instrumentation and Measurement Technology Conference. Where Instrumentation is Going (Cat. No.98CH36222)最新文献

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Magnetoresistive multipliers as a new base for watt-converters 磁阻乘法器作为瓦特变换器的新基础
V. Vountesmeri
{"title":"Magnetoresistive multipliers as a new base for watt-converters","authors":"V. Vountesmeri","doi":"10.1109/IMTC.1998.679868","DOIUrl":"https://doi.org/10.1109/IMTC.1998.679868","url":null,"abstract":"A new magnetoresistive multiplier (MRM) element for use in watt-converters is present. This element has two independent inputs for two base components of the electromagnetic field: the transverse electric and magnetic components which determine the Poynting vector. The advantage with this kind of transducer compared to those in which digital or analog multipliers of the electrical signals are used, is that the electromagnetic components are used in their natural forms, without any additional conversion. This permits the use of these magnetoresistive multipliers operate in a wide frequency band with good accuracy.","PeriodicalId":160058,"journal":{"name":"IMTC/98 Conference Proceedings. IEEE Instrumentation and Measurement Technology Conference. Where Instrumentation is Going (Cat. No.98CH36222)","volume":"38 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1998-05-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125061059","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: 12
Comparison between IFDI schemes based on expert systems and neural networks 基于专家系统和神经网络的IFDI方案比较
G. Betta, C. Liguori, A. Pietrosanto
{"title":"Comparison between IFDI schemes based on expert systems and neural networks","authors":"G. Betta, C. Liguori, A. Pietrosanto","doi":"10.1109/IMTC.1998.679832","DOIUrl":"https://doi.org/10.1109/IMTC.1998.679832","url":null,"abstract":"The problem of comparing different artificial intelligence-based solutions for instrument fault detection and isolation is dealt with. In particular both design difficulties and diagnostic performance have to be analysed in order to find the optimum solution for the particular application. An example of comparison is described in detail referring to a measurement and control station dedicated to the automatic control of a heat ventilating and air conditioning system.","PeriodicalId":160058,"journal":{"name":"IMTC/98 Conference Proceedings. IEEE Instrumentation and Measurement Technology Conference. Where Instrumentation is Going (Cat. No.98CH36222)","volume":"27 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1998-05-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125138414","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: 22
Application of an optimal look-up table to sensor data processing 最优查表在传感器数据处理中的应用
A. Flammini, D. Marioli, A. Taroni
{"title":"Application of an optimal look-up table to sensor data processing","authors":"A. Flammini, D. Marioli, A. Taroni","doi":"10.1109/IMTC.1998.676870","DOIUrl":"https://doi.org/10.1109/IMTC.1998.676870","url":null,"abstract":"This paper presents a new method for calculating a look-up table to evaluate the measurand when a sensor pair is considered. A least mean squares technique has been used to calculate look-up table entries directly from sparse calibration data. The algorithm has been implemented by using the eight-bit MC68HC11 microcontroller; it reduces to a half the maximum value of the approximation error referred to the full scale if compared with the classical methods. A resistive network with end point linearity referred to the full scale of 15% has been used to emulate a sensor pair and the two input signals have been sampled with a 8-bit A/D converter.","PeriodicalId":160058,"journal":{"name":"IMTC/98 Conference Proceedings. IEEE Instrumentation and Measurement Technology Conference. Where Instrumentation is Going (Cat. No.98CH36222)","volume":"30 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1998-05-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130375497","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: 53
Semiquantitative at-line measurement system for multiresidues of pesticide in food based on the ATR spectroscopy 基于ATR光谱的食品中多种农药残留半定量在线检测系统
H. Ishizawa, T. Matsuzawa, E. Toba
{"title":"Semiquantitative at-line measurement system for multiresidues of pesticide in food based on the ATR spectroscopy","authors":"H. Ishizawa, T. Matsuzawa, E. Toba","doi":"10.1109/IMTC.1998.679878","DOIUrl":"https://doi.org/10.1109/IMTC.1998.679878","url":null,"abstract":"This paper describes a new nondestructive measuring method for multiresidues of pesticide in the agricultural products. The proposal method uses Fourier transform infrared spectroscopy of attenuated total reflection method (ATR spectroscopy). The concentration region of pesticide multiresidues in the agricultural products could be measured rapidly. The partial least squares regression models of the typical pesticides were calibrated by a training set of lettuce heads produced in the fields. The measuring time is about ten minutes that is the shortest among the conventional method of analytical chemistry, of which measuring time are some hours. It could be noted that the pesticide application could be properly controlled by the at-line measurement based on the proposal method. This paper also describes the validation of this method by using the test set of lettuces and some discussions about the improvement and the,vide application or food safety and inspection.","PeriodicalId":160058,"journal":{"name":"IMTC/98 Conference Proceedings. IEEE Instrumentation and Measurement Technology Conference. Where Instrumentation is Going (Cat. No.98CH36222)","volume":"20 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1998-05-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130499997","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: 6
GPIB modular instrumentation system for the transfer function characterization GPIB模块化仪器系统的传递函数表征
A. Garrido, A. Manuel, J.A. Gomez, X. Roset, R. Ramos
{"title":"GPIB modular instrumentation system for the transfer function characterization","authors":"A. Garrido, A. Manuel, J.A. Gomez, X. Roset, R. Ramos","doi":"10.1109/IMTC.1998.679777","DOIUrl":"https://doi.org/10.1109/IMTC.1998.679777","url":null,"abstract":"This paper is focused on a low cost modular instrumentation system achievement. A GPIB interface target using VLSI specialized integrated circuits and several middle-capabilities programmable instrument targets have been designed to provide a complete and versatile instrumentation system using a support bus to interconnect the different module-instrument.","PeriodicalId":160058,"journal":{"name":"IMTC/98 Conference Proceedings. IEEE Instrumentation and Measurement Technology Conference. Where Instrumentation is Going (Cat. No.98CH36222)","volume":"35 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1998-05-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122238059","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
Coaxial dielectric sensor for cereal grains 谷物用同轴介质传感器
K. Lawrence, S. Nelson, P. G. Bartley
{"title":"Coaxial dielectric sensor for cereal grains","authors":"K. Lawrence, S. Nelson, P. G. Bartley","doi":"10.1109/IMTC.1998.679847","DOIUrl":"https://doi.org/10.1109/IMTC.1998.679847","url":null,"abstract":"A system for measuring the dielectric properties of cereal grains from 25 to 350 MHz with a coaxial sample holder is presented. A signal-flow graph model was used to determine the permittivity of several polar alcohols from the full two-port S-parameter measurements. The system was calibrated with measurements on air and decanol and verified with measurements on octanol, hexanol, and pentanol. The standard error for the polar alcohols used for verification was 2.3% for the dielectric constant and 7.6% for the dielectric loss factor. Although measurements were taken on static samples, the sample holder is designed to accommodate flowing grain.","PeriodicalId":160058,"journal":{"name":"IMTC/98 Conference Proceedings. IEEE Instrumentation and Measurement Technology Conference. Where Instrumentation is Going (Cat. No.98CH36222)","volume":"35 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1998-05-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123351391","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: 19
The application of an improved zero-crossing-detection method in ultrasonic measurement 改进过零检测法在超声测量中的应用
W. Hou, Z.G. Wang, C. Peng
{"title":"The application of an improved zero-crossing-detection method in ultrasonic measurement","authors":"W. Hou, Z.G. Wang, C. Peng","doi":"10.1109/IMTC.1998.679855","DOIUrl":"https://doi.org/10.1109/IMTC.1998.679855","url":null,"abstract":"The ultrasonic pulse-echo detection is a popular method in the measurement of static physiological parameters, but there are some disadvantages in the conventional technology. To overcome those disadvantages, in this paper, we have designed a new circuit for the improvement of zero-crossing-detection.","PeriodicalId":160058,"journal":{"name":"IMTC/98 Conference Proceedings. IEEE Instrumentation and Measurement Technology Conference. Where Instrumentation is Going (Cat. No.98CH36222)","volume":"34 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1998-05-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114981834","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 performance test of a piecewise-linear A/D converter 分段线性a /D转换器的性能测试
G. Bucci, M. Faccio, C. Landi
{"title":"The performance test of a piecewise-linear A/D converter","authors":"G. Bucci, M. Faccio, C. Landi","doi":"10.1109/IMTC.1998.676919","DOIUrl":"https://doi.org/10.1109/IMTC.1998.676919","url":null,"abstract":"In this paper test procedures to characterize the behaviour of a piecewise linear analog-to-digital converter (PLADC) are investigated. The PLADC is a new special converter, where the transfer characteristic is a programmable piece-wise linear line, suitable for smart sensor applications. New tests have been developed, because the converter nonlinear characteristic precludes the straight application of standard techniques.","PeriodicalId":160058,"journal":{"name":"IMTC/98 Conference Proceedings. IEEE Instrumentation and Measurement Technology Conference. Where Instrumentation is Going (Cat. No.98CH36222)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1998-05-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129727682","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
A variable sampling rate third order MASH /spl Sigma//spl Delta/ modulator for measurement applications 用于测量应用的可变采样率三阶MASH /spl Sigma//spl Delta/调制器
A. Baccigalupi, M. Piscopo
{"title":"A variable sampling rate third order MASH /spl Sigma//spl Delta/ modulator for measurement applications","authors":"A. Baccigalupi, M. Piscopo","doi":"10.1109/IMTC.1998.676916","DOIUrl":"https://doi.org/10.1109/IMTC.1998.676916","url":null,"abstract":"The paper presents, analyzes and simulates the behaviour of a variable-sampling-rate, third order, sigma delta modulator based on switched capacitor integrators. Theoretical study, as well as simulations carried out on the model, shows the possibility to reach a S/N ratio allowing 17 equivalent bit resolution.","PeriodicalId":160058,"journal":{"name":"IMTC/98 Conference Proceedings. IEEE Instrumentation and Measurement Technology Conference. Where Instrumentation is Going (Cat. No.98CH36222)","volume":"2 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1998-05-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129947226","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: 1
A multi-DSP based instrument on a VXI C-size module for real-time measurements 基于VXI C-size模块的多dsp仪器,用于实时测量
G. Bucci, C. Landi
{"title":"A multi-DSP based instrument on a VXI C-size module for real-time measurements","authors":"G. Bucci, C. Landi","doi":"10.1109/IMTC.1998.679775","DOIUrl":"https://doi.org/10.1109/IMTC.1998.679775","url":null,"abstract":"In this paper the design and implementation of a high-performance measuring instrument based on multiple digital signal processors (DSPs) is discussed. This system can embody a number of special signal processing and analog I/O modules, specifically designed to obtain the flexibility and scalability to meet the needs of real-time measurement applications. It has been mounted on a prototyping card and interfaced with the VXLbus backplane. Some issues related to the hardware and software design are discussed. A first application, namely the on-line spectral measurement of two input signals, e.g. voltage and current in a power circuit is discussed, reporting the first experimental results.","PeriodicalId":160058,"journal":{"name":"IMTC/98 Conference Proceedings. IEEE Instrumentation and Measurement Technology Conference. Where Instrumentation is Going (Cat. No.98CH36222)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1998-05-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130752224","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: 27
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