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Proceedings of IEEE Sensors, 2004.最新文献

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A position-detectable optical distributed vibration sensor using an additional sub-loop 一种使用附加子回路的位置检测光学分布式振动传感器
Proceedings of IEEE Sensors, 2004. Pub Date : 2004-01-01 DOI: 10.1109/ICSENS.2004.1426232
T. Omori, K. Hashimoto, M. Yamaguchi
{"title":"A position-detectable optical distributed vibration sensor using an additional sub-loop","authors":"T. Omori, K. Hashimoto, M. Yamaguchi","doi":"10.1109/ICSENS.2004.1426232","DOIUrl":"https://doi.org/10.1109/ICSENS.2004.1426232","url":null,"abstract":"The paper proposes a simple distributed vibration sensor system which employs an optical fibre ring interferometer having an additional sub-loop coupled to the main ring by a 3 dB coupler. Comparing multiple responses of interfered beams by the light travelling n times in the sub-loop with each other, the proposed system can detect the position as well as the amplitude of acoustic vibration occurred in the main ring. The multiple responses are easily extracted in the time domain by driving an optical source with a pulsed current. It is demonstrated theoretically and experimentally that the proposed system is able to detect both the amplitude and position of the acoustic vibration occurring in the main ring with reasonable accuracy.","PeriodicalId":20476,"journal":{"name":"Proceedings of IEEE Sensors, 2004.","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2004-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"82748805","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
Acoustic and optical sensors incorporating carbon nanotubes for detection of organic solvents 声学和光学传感器结合碳纳米管检测有机溶剂
Proceedings of IEEE Sensors, 2004. Pub Date : 2004-01-01 DOI: 10.1109/ICSENS.2004.1426184
M. Penza, G. Cassano, P. Aversa, F. Antolini, A. Cusano, M. Consales, M. Giordano, L. Nicolais
{"title":"Acoustic and optical sensors incorporating carbon nanotubes for detection of organic solvents","authors":"M. Penza, G. Cassano, P. Aversa, F. Antolini, A. Cusano, M. Consales, M. Giordano, L. Nicolais","doi":"10.1109/ICSENS.2004.1426184","DOIUrl":"https://doi.org/10.1109/ICSENS.2004.1426184","url":null,"abstract":"We investigate the sensing properties of single-walled carbon nanotube (SWCNTs) films used as nanostructured materials for chemical sensors onto three types of transducers using different principles of operation. These are surface acoustic waves (SAWs), quartz crystal microbalance (QCM) and standard silica optical fiber (SOF) for detection of organic solvents, at room temperature. The sensing probes have been configured as a 315- and 433-MHz SAW two-port resonator based oscillator, 10 MHz QCM resonator, and SOF light-reflectometry based system at a wavelength of 1310 nm. A nanocomposite film of SWCNTs embedded in a cadmium arachidate (CdA) matrix was deposited by an LB technique onto SAW sensors. An LB multilayer of SWCNTs-onto-CdA buffer material was also deposited onto QCM and SOF sensors. Our experiments demonstrate that carbon nanotube acoustic and optical sensors are highly sensitive to a wide range of polar and non-polar organic solvents up to a sub-ppm detection limit.","PeriodicalId":20476,"journal":{"name":"Proceedings of IEEE Sensors, 2004.","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2004-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"89620328","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
Sensorized nanoliter reactor chamber for DNA multiplication 用于DNA增殖的感应纳升反应器室
Proceedings of IEEE Sensors, 2004. Pub Date : 2004-01-01 DOI: 10.1109/ICSENS.2004.1426143
V. Iordanov, Blagoi P. Iliev, Victor Joseph, Andre Bossche, Jeroen, Bastemeijer, P. Sarro, Ian T. Young, G. Dedem, M. Vellekoop
{"title":"Sensorized nanoliter reactor chamber for DNA multiplication","authors":"V. Iordanov, Blagoi P. Iliev, Victor Joseph, Andre Bossche, Jeroen, Bastemeijer, P. Sarro, Ian T. Young, G. Dedem, M. Vellekoop","doi":"10.1109/ICSENS.2004.1426143","DOIUrl":"https://doi.org/10.1109/ICSENS.2004.1426143","url":null,"abstract":"This paper presents thermal analysis verification of a sensorized 50 nl reactor chamber for DNA amplification based on PCR (polymerase chain reaction). The reactor is equipped with an integrated heater, temperature sensor and a photo detector for real time detection. Through micromachining, the thermal capacity of each chamber is minimized, enabling rapid PCR cycling. The proposed structure was implemented on a silicon substrate using a standard CMOS process and postprocessing. The chambers have a bottom area of 500/spl times/500 /spl mu/m/sup 2/ and a pitch of 1 mm. An array of 96 reactors can be formed on a square centimeter. In order to reach the required PCR temperature levels (55/spl deg/C, 75/spl deg/C and 92/spl deg/C) dedicated electronics, based on a proportional-integral (PI) controller were designed and built. The system is capable of stabilizing the temperature of the reactor and performing a temperature sweep up to 100/spl deg/C.","PeriodicalId":20476,"journal":{"name":"Proceedings of IEEE Sensors, 2004.","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2004-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"89701036","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
Robust acoustic humidity sensor for industrial drying 坚固的声学湿度传感器，用于工业干燥
Proceedings of IEEE Sensors, 2004. Pub Date : 2004-01-01 DOI: 10.1109/ICSENS.2004.1426111
L. Zipser, H. Franke, W. Bretschneider
{"title":"Robust acoustic humidity sensor for industrial drying","authors":"L. Zipser, H. Franke, W. Bretschneider","doi":"10.1109/ICSENS.2004.1426111","DOIUrl":"https://doi.org/10.1109/ICSENS.2004.1426111","url":null,"abstract":"Most conventional humidity sensors are unfortunately sensitive to extreme process and environmental conditions. This paper concerns the development of a robust acoustic humidity sensor which can be used even under extreme conditions, such as high temperature up to 300/spl deg/C, aggressive, explosive or toxic pollutions in the gas to be analysed, dust, electromagnetic disturbances, nuclear radiation or very fast changes of the humidity concentration. An important application of the sensor is the in-situ measurement of humidity in the exhaust air of industrial driers for paperboard production.","PeriodicalId":20476,"journal":{"name":"Proceedings of IEEE Sensors, 2004.","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2004-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"89217174","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
A high performance CMOS compatible thermopile based on noise added mechanism 一种基于噪声附加机制的高性能CMOS兼容热电堆
Proceedings of IEEE Sensors, 2004. Pub Date : 2004-01-01 DOI: 10.1109/ICSENS.2004.1426240
Chih-Hsiung Shen, Bo Wang
{"title":"A high performance CMOS compatible thermopile based on noise added mechanism","authors":"Chih-Hsiung Shen, Bo Wang","doi":"10.1109/ICSENS.2004.1426240","DOIUrl":"https://doi.org/10.1109/ICSENS.2004.1426240","url":null,"abstract":"Recently, a novel signal processing theory related to noise has grown and been proven. A new high performance thermopile based on the noise added scheme has been realized by an embedded heater for a CMOS compatible thermoelectric infrared sensor. Certain complex systems can improve performance with added optimal noise that classical theory cannot explain. To that end, we are using noise in a remote temperature sensing system to enhance its function without altering the system. Thermopile sensors are designed and fabricated using 1.2 /spl mu/m CMOS IC technology combined with a subsequent anisotropic front-side etching. We first develop an active thermopile with an embedded heater which is easily and naturally driven by a noise generation circuit. The stochastic resonance theory can be realized as a reduction in the temperature detection threshold. We have greatly improved the performance of the remote temperature sensing system in the presence of noise. Stochastic resonance can reduce threshold detection resolution and greatly improve the temperature detection limit with a low cost scheme without using a higher resolution ADC.","PeriodicalId":20476,"journal":{"name":"Proceedings of IEEE Sensors, 2004.","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2004-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"89443845","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: 5
Towards a wireless microsystem for liquid analysis 用于液体分析的无线微系统
Proceedings of IEEE Sensors, 2004. Pub Date : 2004-01-01 DOI: 10.1109/ICSENS.2004.1426321
I. Leonte, M. Hunt, G. Sehra, M. Cole, J. Gardner, H. Noh, P. Hesketh
{"title":"Towards a wireless microsystem for liquid analysis","authors":"I. Leonte, M. Hunt, G. Sehra, M. Cole, J. Gardner, H. Noh, P. Hesketh","doi":"10.1109/ICSENS.2004.1426321","DOIUrl":"https://doi.org/10.1109/ICSENS.2004.1426321","url":null,"abstract":"The paper describes both semi-wireless and wireless (433 MHz) liquid sensing systems based upon dual shear horizontal surface acoustic wave (SH-SAW) devices and introduces a novel design concept and a novel principle of detection. Each system comprises an uncoated passive SH-SAW device, a liquid microcell, a device antenna and an associated signal processing unit. The LiTaO/sub 3/-based SH-SAW sensors have dual delay line configurations with different path lengths, the principle of detection being the attenuation and time delay between the signals. The sensors have no biochemical selective layer making them non-specific but create a robust/durable and low-cost system. This sensing system may be applied in the food/beverage industry, medical applications; a functionalized coating can be added for more specific biological applications.","PeriodicalId":20476,"journal":{"name":"Proceedings of IEEE Sensors, 2004.","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2004-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"88006151","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
Objects distinguishing by using a flattened ultrasonic beam 用平坦的超声波束来区分物体
Proceedings of IEEE Sensors, 2004. Pub Date : 2004-01-01 DOI: 10.1109/ICSENS.2004.1426194
Bogdan Kreczmer
{"title":"Objects distinguishing by using a flattened ultrasonic beam","authors":"Bogdan Kreczmer","doi":"10.1109/ICSENS.2004.1426194","DOIUrl":"https://doi.org/10.1109/ICSENS.2004.1426194","url":null,"abstract":"This paper presents an approach allowing us to distinguish walls and corners using only a single emission of an ultrasonic wave. In the presented approach, an ultrasonic beam without rotational symmetry is employed. The beam is created by a linear array of three sonars. It causes the amplitude of echoes received by separate sonars to be distinctly different for a single and double reflection.","PeriodicalId":20476,"journal":{"name":"Proceedings of IEEE Sensors, 2004.","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2004-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"88021923","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
Humidity evanescent hollow core fiber sensor 湿度瞬时空芯光纤传感器
Proceedings of IEEE Sensors, 2004. Pub Date : 2004-01-01 DOI: 10.1109/ICSENS.2004.1426397
I. Hidalgo, R. Goya, I. Matías
{"title":"Humidity evanescent hollow core fiber sensor","authors":"I. Hidalgo, R. Goya, I. Matías","doi":"10.1109/ICSENS.2004.1426397","DOIUrl":"https://doi.org/10.1109/ICSENS.2004.1426397","url":null,"abstract":"We have tested the viability of fabrication of evanescent sensors using tapered hollow-core fiber (HCF). Two different methods were used to build these sensors: the first one, using a hydrogel as the sensing coating; the second one, by means of the electrostatic self-assembly method for the deposition of thin films on the surface of the hollow-core fiber. In both cases, in order to demonstrate the phenomenon, humidity sensors were fabricated.","PeriodicalId":20476,"journal":{"name":"Proceedings of IEEE Sensors, 2004.","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2004-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"88554980","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
In process measurement of particle size distribution 过程中粒度分布的测量
Proceedings of IEEE Sensors, 2004. Pub Date : 2004-01-01 DOI: 10.1109/ICSENS.2004.1426176
P. Benes, S. Klusacek, P. Pikal
{"title":"In process measurement of particle size distribution","authors":"P. Benes, S. Klusacek, P. Pikal","doi":"10.1109/ICSENS.2004.1426176","DOIUrl":"https://doi.org/10.1109/ICSENS.2004.1426176","url":null,"abstract":"A new principle of particle size distribution measurement is described. We analyze the acoustic emission signal generated by a flow of particles impacting on a fixed obstacle. Changes of the power spectral density of the signal are well correlated with the particle size distribution. Our method was successfully used for measurement of particle size distribution in the range from 1 mm to 10 mm of ferrous sulphate monohydrate in a real chemistry process. Particles were measured at the output of the dry kiln (temperature 150-200/spl deg/C, mass flow 4 tons/hour), where it is not possible to use any other known principles such as particle vision, laser diffraction analyzers, ultrasonic analyzers, focused-beam reflectance measurement etc.","PeriodicalId":20476,"journal":{"name":"Proceedings of IEEE Sensors, 2004.","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2004-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"76110296","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
Fabrication of electrodes for polymer actuators and sensors via self-assembly 自组装聚合物致动器和传感器电极的制造
Proceedings of IEEE Sensors, 2004. Pub Date : 2004-01-01 DOI: 10.1109/ICSENS.2004.1426242
L. Supriya, R. Claus
{"title":"Fabrication of electrodes for polymer actuators and sensors via self-assembly","authors":"L. Supriya, R. Claus","doi":"10.1109/ICSENS.2004.1426242","DOIUrl":"https://doi.org/10.1109/ICSENS.2004.1426242","url":null,"abstract":"A method for the fabrication of conductive gold electrodes on flexible polymer substrates, using a solution-based self-assembly process, has been developed. This involves the use of functionalized silanes with amino- or mercapto-groups to anchor the gold to the substrate. Colloidal gold particles are deposited from solution and the formation of a conductive film is achieved by reducing more gold onto the attached particles by a \"seeding\" process. Conductive films have been successfully deposited on materials like Kapton and polyethylene with a surface resistance of 1/spl Omega//sq and good adhesion properties. Films have also been deposited on Nafion, an ionic polymer used in polymer actuators and sensors, for the fabrication of polymer transducers. Preliminary tests using these electrodes on Nafion show sensing and actuation behavior.","PeriodicalId":20476,"journal":{"name":"Proceedings of IEEE Sensors, 2004.","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2004-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"83913386","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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