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Proceedings of IEEE Sensors, 2004.最新文献

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Detection of explosive vapors using organic thin-film transistors 利用有机薄膜晶体管探测爆炸性气体
Proceedings of IEEE Sensors, 2004. Pub Date : 2004-01-01 DOI: 10.1109/ICSENS.2004.1426281
E. Bentes, H. Gomes, P. Stallinga, L. Moura
{"title":"Detection of explosive vapors using organic thin-film transistors","authors":"E. Bentes, H. Gomes, P. Stallinga, L. Moura","doi":"10.1109/ICSENS.2004.1426281","DOIUrl":"https://doi.org/10.1109/ICSENS.2004.1426281","url":null,"abstract":"Field effect transistors (FETs) based on organic materials were investigated as sensors for detecting 2,4,6-trinitrotoluene (TNT) vapors. Several FET devices were fabricated using two types of semiconducting organic materials, solution processed polymers deposited by spin coating and, oligomers (or small molecules) deposited by vacuum sublimation. When vapors of nitroaromatic compounds bind to thin films of organic materials which form the transistor channel, the conductivity of the thin film increases and changes the transistor electrical characteristic. The use of the amplifying properties of the transistor represents a major advantage over conventional techniques based on simple changes of resistance in polymers frequently used in electronic noses.","PeriodicalId":20476,"journal":{"name":"Proceedings of IEEE Sensors, 2004.","volume":"1 1","pages":"766-769 vol.2"},"PeriodicalIF":0.0,"publicationDate":"2004-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"80725654","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: 15
An ultrasonic transit-time gas flowmeter for automotive applications 一种汽车用超声波传输时间气体流量计
Proceedings of IEEE Sensors, 2004. Pub Date : 2004-01-01 DOI: 10.1109/ICSENS.2004.1426197
M. Kupnik, A. Schroder, P. O’Leary, E. Benes, M. Groschl
{"title":"An ultrasonic transit-time gas flowmeter for automotive applications","authors":"M. Kupnik, A. Schroder, P. O’Leary, E. Benes, M. Groschl","doi":"10.1109/ICSENS.2004.1426197","DOIUrl":"https://doi.org/10.1109/ICSENS.2004.1426197","url":null,"abstract":"A new concept for ultrasonic transit-time gas flowmeters, utilizing high temperature resistant capacitance transducers, and results from a preliminary laboratory prototype, are presented. With this concept, measurements of hot (up to 450/spl deg/C) and pulsating gas flows have been achieved for the first time. Such conditions occur e.g. in the exhaust gas train of a combustion engine. An adaptive pulse repetition frequency (PRF) is used to overcome the problems associated with the range and dynamics of the gas temperature. Large temperature variations prevent a continuous detection of ultrasonic pulse arrival times. Coherent reflections are generated, since the acoustic impedances of the gas and the transducers are mismatched. Depending on the gas temperatures these reflections may overlap with the actual signal. The presented method renders feasible a correct detection over the whole temperature range. Results are presented for the mass flow rate in a 50 mm diameter pipe measured at a PRF up to 5.5 kHz.","PeriodicalId":20476,"journal":{"name":"Proceedings of IEEE Sensors, 2004.","volume":"65 1","pages":"451-454 vol.1"},"PeriodicalIF":0.0,"publicationDate":"2004-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"76522810","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: 17
A precise 1/f noise spectroscopy setup for sensor characterization 用于传感器表征的精确1/f噪声光谱设置
Proceedings of IEEE Sensors, 2004. Pub Date : 2004-01-01 DOI: 10.1109/ICSENS.2004.1426378
F. Kohl, R. Beigelbeck, F. Keplinger, A. Jachimowicz, J. Steurer
{"title":"A precise 1/f noise spectroscopy setup for sensor characterization","authors":"F. Kohl, R. Beigelbeck, F. Keplinger, A. Jachimowicz, J. Steurer","doi":"10.1109/ICSENS.2004.1426378","DOIUrl":"https://doi.org/10.1109/ICSENS.2004.1426378","url":null,"abstract":"We investigated the detection limit of a high-resolution modular instrumentation for current noise (1/f noise) spectroscopy. Rejecting amplifier noise as well as the thermal noise of two-pole resistive sensors (TPRS), the setup performs direct measurements of the power spectral density (PDS) of 1/f conductivity fluctuations of such TPRS. This enables the characterization of devices exhibiting very low current noise. Accordingly, expressions based on given measurement conditions are derived for the sensitivity and the accuracy of the method. These features are theoretically limited only by the time available for a measurement. The experimental results fully agree with theoretical predictions and confirm sub-thermal noise sensitivity along with high spectral resolution.","PeriodicalId":20476,"journal":{"name":"Proceedings of IEEE Sensors, 2004.","volume":"11 1","pages":"1143-1146 vol.3"},"PeriodicalIF":0.0,"publicationDate":"2004-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"79302671","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
An accelerometer based sensor platform for insitu elite athlete performance analysis 一种基于加速度计的传感器平台，用于精英运动员的现场性能分析
Proceedings of IEEE Sensors, 2004. Pub Date : 2004-01-01 DOI: 10.1109/ICSENS.2004.1426439
D. James, N. Davey, T. Rice
{"title":"An accelerometer based sensor platform for insitu elite athlete performance analysis","authors":"D. James, N. Davey, T. Rice","doi":"10.1109/ICSENS.2004.1426439","DOIUrl":"https://doi.org/10.1109/ICSENS.2004.1426439","url":null,"abstract":"A sensor data acquisition platform has been developed for in-situ sporting applications encompassing stand alone high speed sampling and storage of multiple accelerometer data. Ambulatory monitoring of elite athletes in competition or training environments was then undertaken. The platform itself is divided into functional blocks and controlled by a small microcontroller using a custom OS. Hence it is easily customizable for a variety of sporting applications. The platform is packaged so as to be robust, hermetically sealed and biomechanically neutral to the athlete. Results and derivative data from rowing and swimming are presented as sample applications. In swimming applications, stroke characteristics for a variety of training strokes are analyzed and found to be better than other methods. The rowing application, when coupled with other monitoring techniques such as impeller velocity, enables recovery of intra and inter stroke phases as a means to assess performance over the entire course and has been used by competition rowers to improve performance at national and international competitions.","PeriodicalId":20476,"journal":{"name":"Proceedings of IEEE Sensors, 2004.","volume":"1 1","pages":"1373-1376 vol.3"},"PeriodicalIF":0.0,"publicationDate":"2004-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"79588707","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: 95
A self-packaged thermal flow sensor by CMOS MEMS technology 基于CMOS MEMS技术的自封装热流传感器
Proceedings of IEEE Sensors, 2004. Pub Date : 2004-01-01 DOI: 10.1109/icsens.2004.1426311
Dong-Hui Gao, M. Qin, Hai-yang Chen, Qing‐An Huang
{"title":"A self-packaged thermal flow sensor by CMOS MEMS technology","authors":"Dong-Hui Gao, M. Qin, Hai-yang Chen, Qing‐An Huang","doi":"10.1109/icsens.2004.1426311","DOIUrl":"https://doi.org/10.1109/icsens.2004.1426311","url":null,"abstract":"An integrated two-dimensional self-packaged flow sensor using CMOS MEMS technology is presented. Heater resistors formed by diffusion of boron into an n-type Si substrate are located in the center of the chip, and four poly/Al thermopiles for temperature sensing surround the heaters symmetrically. A trench by ICP technology between the heater and the temperature sensor was made for thermal isolation. The backside of the sensor chip is used as the sensing surface and the thermal interaction is achieved via the substrate of the sensor. Thus, conventional IC packaging can be adopted for the sensor. The influence of the depth of the trench on the performance of the sensor was simulated by ANSYS. An appropriate trench depth was obtained. The sensor has been fabricated and tested. It can detect flow speed with enough sensitivity and flow direction in the full range of 360/spl deg/. The maximum errors of velocity and direction are no more than 0.5 m/s and 6/spl deg/, respectively.","PeriodicalId":20476,"journal":{"name":"Proceedings of IEEE Sensors, 2004.","volume":"168 1","pages":"879-883 vol.2"},"PeriodicalIF":0.0,"publicationDate":"2004-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"76709098","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
Packaging of micro strain sensors 微应变传感器的封装
Proceedings of IEEE Sensors, 2004. Pub Date : 2004-01-01 DOI: 10.1109/ICSENS.2004.1426222
Hung-I Kuo, Jun Guo, D. Young, W. Ko
{"title":"Packaging of micro strain sensors","authors":"Hung-I Kuo, Jun Guo, D. Young, W. Ko","doi":"10.1109/ICSENS.2004.1426222","DOIUrl":"https://doi.org/10.1109/ICSENS.2004.1426222","url":null,"abstract":"This paper presents results of studies on the packaging of micro strain sensors attached to a stainless steel base as a module and techniques of rapid attachment of sensor modules to substrates to be measured. Strain coupling from the substrate to the sensors using different packaging designs and processes can either enhance or attenuate strains experienced by the sensors. Analytical models were developed to predict the enhancement and transmission loss from the packaging materials and processes used. Experiments were carried out with results verifying that the analysis is accurate to a few percentages of assumed properties. Rapid bonding techniques were developed, which combine spot welding and adhesive bonding with selected bonding materials, to bond pre-packaged sensor modules to substrates in 30 seconds instead of hours as in conventional methods.","PeriodicalId":20476,"journal":{"name":"Proceedings of IEEE Sensors, 2004.","volume":"8 1","pages":"546-549 vol.2"},"PeriodicalIF":0.0,"publicationDate":"2004-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"77002085","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
Nanocharacterization of a novel copper-membrane and functionalized insulator-semiconductor by atomic force microscopy 一种新型铜膜和功能化绝缘体半导体的原子力显微镜纳米表征
Proceedings of IEEE Sensors, 2004. Pub Date : 2004-01-01 DOI: 10.1109/ICSENS.2004.1426270
I. A. Marques de Oliveira, M. Pla, L. Escriche, J. Casabó, N. Zine, J. Bausells, F. Bessueille, J. Samitier, A. Errachid
{"title":"Nanocharacterization of a novel copper-membrane and functionalized insulator-semiconductor by atomic force microscopy","authors":"I. A. Marques de Oliveira, M. Pla, L. Escriche, J. Casabó, N. Zine, J. Bausells, F. Bessueille, J. Samitier, A. Errachid","doi":"10.1109/ICSENS.2004.1426270","DOIUrl":"https://doi.org/10.1109/ICSENS.2004.1426270","url":null,"abstract":"We describe the characterization of a novel copper-sensitive polymeric membrane and the electrochemical response of electrolyte-membrane-insulator-semiconductor structures. The membrane has shown a Nernstian response towards Cu(II) ions in electrodes.","PeriodicalId":20476,"journal":{"name":"Proceedings of IEEE Sensors, 2004.","volume":"34 1","pages":"726-729 vol.2"},"PeriodicalIF":0.0,"publicationDate":"2004-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"78071438","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: 4
Magnetic bistable micro-actuator with integrated permanent magnets 集成永磁体的磁双稳微致动器
Proceedings of IEEE Sensors, 2004. Pub Date : 2004-01-01 DOI: 10.1109/ICSENS.2004.1426208
C. Dieppedale, B. Desloges, H. Rostaing, J. Delamare, O. Cugat, J. Meunier-Carus
{"title":"Magnetic bistable micro-actuator with integrated permanent magnets","authors":"C. Dieppedale, B. Desloges, H. Rostaing, J. Delamare, O. Cugat, J. Meunier-Carus","doi":"10.1109/ICSENS.2004.1426208","DOIUrl":"https://doi.org/10.1109/ICSENS.2004.1426208","url":null,"abstract":"A new magnetic micro-actuator with integrated permanent magnets has been developed. The design of this device, with a levitating mobile magnet, is a real innovation and is patented. The structure was modeled using analytical and numerical calculations. Furthermore, the fabrication feasibility, using collective micro-technology processes, has recently been demonstrated.","PeriodicalId":20476,"journal":{"name":"Proceedings of IEEE Sensors, 2004.","volume":"35 1","pages":"493-496 vol.1"},"PeriodicalIF":0.0,"publicationDate":"2004-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"76679160","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: 40
A Bayesian network approach to energy-aware distributed sensing 能量感知分布式传感的贝叶斯网络方法
Proceedings of IEEE Sensors, 2004. Pub Date : 2004-01-01 DOI: 10.1109/ICSENS.2004.1426095
Ruqiang Yan, D. Ball, A. Deshmukh, R. Gao
{"title":"A Bayesian network approach to energy-aware distributed sensing","authors":"Ruqiang Yan, D. Ball, A. Deshmukh, R. Gao","doi":"10.1109/ICSENS.2004.1426095","DOIUrl":"https://doi.org/10.1109/ICSENS.2004.1426095","url":null,"abstract":"This paper presents a strategy for the design and implementation of an energy-efficient multi-sensor network, based on the structure of sectioned Bayesian networks. A key issue in the design of Bayesian networks for monitoring engineering systems is to ensure that a reliable inference scheme about the health of the system can be made by combining information acquired from each sensor in the system into a single Bayesian network. However, as the size of the network rapidly grows, aggregating information made by all the sensors becomes computationally intractable. Hence, sectioning of the Bayesian network based on functional or logical constraints allows for improved computational efficiency in aggregating information while reducing the overall communication requirements. This ultimately leads to a reduction of the energy cost which is critical to effective operation of the sensor network.","PeriodicalId":20476,"journal":{"name":"Proceedings of IEEE Sensors, 2004.","volume":"59 1","pages":"44-47 vol.1"},"PeriodicalIF":0.0,"publicationDate":"2004-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"74376277","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: 18
CMOS three axis Hall sensor and joystick application CMOS三轴霍尔传感器和操纵杆的应用
Proceedings of IEEE Sensors, 2004. Pub Date : 2004-01-01 DOI: 10.1109/ICSENS.2004.1426335
C. Schott, R. Rácz, S. Huber
{"title":"CMOS three axis Hall sensor and joystick application","authors":"C. Schott, R. Rácz, S. Huber","doi":"10.1109/ICSENS.2004.1426335","DOIUrl":"https://doi.org/10.1109/ICSENS.2004.1426335","url":null,"abstract":"We present for the first time a three-axis CMOS Hall sensor based on integrated magnetic concentrator technology (IMC). The sensor measures the two in-plane magnetic field components Bx and By and the vertical component Bz and generates three output voltages proportional to them. The sensing core consists of four Hall elements arranged at 90/spl deg/ under the edge of a ferromagnetic disk (IMC), which is attached to the silicon die. By subtracting the Hall voltages of two opposite Hall elements a voltage proportional to the in-plane components is generated and by adding them a voltage proportional to the perpendicular component. In such a way a planar structure is used to implement a three-axis sensor device. The sensor further contains current sources, dynamic offset compensation and signal amplification and conditioning. The sensor aims for applications where two translatory or rotational movements have to be measured independently and precisely over a large temperature range. Examples are joysticks, car mirror sensors and other control devices.","PeriodicalId":20476,"journal":{"name":"Proceedings of IEEE Sensors, 2004.","volume":"188 1","pages":"977-980 vol.2"},"PeriodicalIF":0.0,"publicationDate":"2004-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"74881483","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: 23
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