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2009 IEEE Sensors最新文献

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Temperature stability improvement of thin-film thermopiles by implementation of a diffusion barrier of TiN 利用TiN扩散势垒改善薄膜热电堆的温度稳定性
2009 IEEE Sensors Pub Date : 2009-10-01 DOI: 10.1109/ICSENS.2009.5398280
R. Buchner, C. Sosna, W. Lang
{"title":"Temperature stability improvement of thin-film thermopiles by implementation of a diffusion barrier of TiN","authors":"R. Buchner, C. Sosna, W. Lang","doi":"10.1109/ICSENS.2009.5398280","DOIUrl":"https://doi.org/10.1109/ICSENS.2009.5398280","url":null,"abstract":"A new generation of thin-film thermopiles is presented with improved temperature stability due to the implementation of a diffusion barrier of titanium-nitride. Commonly thermocouples are made of aluminium and polysilicon or semi-metals materials as Sb, Te and Bi. Exposure to elevated temperature in the range of a few hundred degrees centigrade would affect the functionality of the devices and leads to system failure. Prior to this work an approach for the realisation of high-temperature stable thermopiles made of tungsten-titanium alloy and polysilicon has been reported. Due to implementation of a diffusion barrier of TiN at the thermoelectric contacts the diffusion processes could be suppressed to a great extend and the temperature stability of these thermoelectric devices has been further improved. Functionality of the diffusion barrier was verified using TOF-SIM and the temperature stability achieved was investigated by detailed measurements.","PeriodicalId":262591,"journal":{"name":"2009 IEEE Sensors","volume":"70 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2009-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130204571","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
The design of practical mapping system for mobile robots using laser range sensor 基于激光距离传感器的实用移动机器人测绘系统的设计
2009 IEEE Sensors Pub Date : 2009-10-01 DOI: 10.1109/ICSENS.2009.5398457
Yu-Cheol Lee, Wopil Yu
{"title":"The design of practical mapping system for mobile robots using laser range sensor","authors":"Yu-Cheol Lee, Wopil Yu","doi":"10.1109/ICSENS.2009.5398457","DOIUrl":"https://doi.org/10.1109/ICSENS.2009.5398457","url":null,"abstract":"This paper proposed an efficient mapping system which has been implemented on a mobile cart equipped with a laser range sensor and dead reckoning sensors. The practical mapping system to generate accurate maps in unknown environments is one of the main requirements for mobile robots. The mapping system is divided into hardware and software parts. The hardware part, mobile cart, consisted of two encoders, a laser range sensor and a DSP board. Two encoders mounted on each back wheel of the mobile cart measure the distance traveled. The laser range sensor measures the distance from the nearest object to the sensor. The DSP board synchronizes the measured data from the encoders and the laser sensor and provides them to software part. The software part builds a metric map in the environment based on extended Kalman filter (EKF) localization that takes into account both the distance traveled by encoders and the information gathered by laser sensor to estimating the position of mobile cart. The proposed system accommodates the demand for the modest and user-friendly mapping system which can be used to explore and construct the map into the robot environment. This strategy is based on a human-interactive system design and a strong mathematical foundations research; this is the distinctive feature of our approach and constitutes the main original contribution of this paper.","PeriodicalId":262591,"journal":{"name":"2009 IEEE Sensors","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2009-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131344874","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
Ultrasensitive MEMS-based inertial system 基于mems的超灵敏惯性系统
2009 IEEE Sensors Pub Date : 2009-10-01 DOI: 10.1109/ICSENS.2009.5398301
L. Novak, P. Neužil, Jing Li, M. Woo
{"title":"Ultrasensitive MEMS-based inertial system","authors":"L. Novak, P. Neužil, Jing Li, M. Woo","doi":"10.1109/ICSENS.2009.5398301","DOIUrl":"https://doi.org/10.1109/ICSENS.2009.5398301","url":null,"abstract":"In this paper we present the design and fabrication of sensitive capacitive MEMS-based accelerometer and its high signal-to-noise ratio read-out electronic circuit. The combination of sensitive accelerometer and sensitive read-out electronics resulted in the system sensitivity of 135 V/G with the detection limit of 22 µG acceleration or 0.05 degree inclination.","PeriodicalId":262591,"journal":{"name":"2009 IEEE Sensors","volume":"58 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2009-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128781485","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
The Airborne Earth Science Microwave Imaging Radiometer (AESMIR) - NASA's new passive microwave airborne imager 机载地球科学微波成像辐射计(AESMIR)——NASA的新型被动微波机载成像仪
2009 IEEE Sensors Pub Date : 2009-10-01 DOI: 10.1109/ICSENS.2009.5398492
Edward J. Kim
{"title":"The Airborne Earth Science Microwave Imaging Radiometer (AESMIR) - NASA's new passive microwave airborne imager","authors":"Edward J. Kim","doi":"10.1109/ICSENS.2009.5398492","DOIUrl":"https://doi.org/10.1109/ICSENS.2009.5398492","url":null,"abstract":"NASA's Airborne Earth Science Microwave Imaging Radiometer (AESMIR) is a new sensor for satellite calibration, geophysical algorithm studies, and technology development. Its unique single-package design covers 6 microwave bands (6, 10, 18, 23, 36, 89 GHz) with 4-Stokes capability (except at 23 GHz). Separate parallel filters enable simultaneous simulation of the passbands of multiple satellite sensors. Various aircraft installations options are available. Design and flight details are presented.","PeriodicalId":262591,"journal":{"name":"2009 IEEE Sensors","volume":"16 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2009-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125419282","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
94GHz fabrication of a slotted waveguide array antenna by diffusion bonding of laminated thin plates 层合薄板扩散键合制备94GHz开槽波导阵列天线
2009 IEEE Sensors Pub Date : 2009-10-01 DOI: 10.1109/ICSENS.2009.5398159
J. Hirokawa, Miao Zhang, M. Ando
{"title":"94GHz fabrication of a slotted waveguide array antenna by diffusion bonding of laminated thin plates","authors":"J. Hirokawa, Miao Zhang, M. Ando","doi":"10.1109/ICSENS.2009.5398159","DOIUrl":"https://doi.org/10.1109/ICSENS.2009.5398159","url":null,"abstract":"We fabricate the single-layer slotted waveguide array antenna in 94GHz band by diffusion bonding of laminated thin metal plates. This new fabrication technique is a promising one of low cost, because of the high-precision etching in low price. Perfect electric connection can be realized between the slotted plate and the grooved waveguide base by diffusion bonding even at a high frequency such as 94GHz. A designed 18×18-element antenna is trial fabricated by using copper. The antenna efficiency is achieved at 60% for 31.4dBi gain at 93.7GHz in this copper antenna. The process of diffusion bonding using copper could result in over-etching of the slots by 50um, which degrades the aperture efficiency by 0.8dB.","PeriodicalId":262591,"journal":{"name":"2009 IEEE Sensors","volume":"9 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2009-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126914027","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
Tailoring of field effect gas sensors for sensing of nonhydrogen containing substances from mechanistic studies on model systems 从模型系统的机理研究中裁剪用于传感非含氢物质的场效应气体传感器
2009 IEEE Sensors Pub Date : 2009-10-01 DOI: 10.1109/ICSENS.2009.5398282
M. Andersson, A. Lloyd Spetz
{"title":"Tailoring of field effect gas sensors for sensing of nonhydrogen containing substances from mechanistic studies on model systems","authors":"M. Andersson, A. Lloyd Spetz","doi":"10.1109/ICSENS.2009.5398282","DOIUrl":"https://doi.org/10.1109/ICSENS.2009.5398282","url":null,"abstract":"To gain knowledge about the transduction mechanisms involved in the sensitivity of field effect gas sensors towards non-hydrogen containing substances, such as O2, NO and CO, the sensor signal characteristics during exposure of some conceptually different model sensors to these as well as hydrogen containing gases have been investigated. The MOS capacitor based model sensors employ different combinations of insulator and contact materials, such as MgO, LaF3, IrO2 etc. The gas composition downstream of the sensor during test gas exposure at various conditions has also been studied by mass spectrometry (MS) and compared for the different model systems. The results have been compared to the characteristics of ordinary SiC/SiO2/Pt structures and from the information obtained a tailor made field effect sensor structure for oxygen sensing, to our knowledge for the first time with minimal interference from H2, CO, and hydrocarbons, has been tested with promising results.","PeriodicalId":262591,"journal":{"name":"2009 IEEE Sensors","volume":"40 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2009-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126538357","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
Review of platforms and security protocols suitable for wireless sensor networks 适用于无线传感器网络的平台和安全协议综述
2009 IEEE Sensors Pub Date : 2009-10-01 DOI: 10.1109/ICSENS.2009.5398222
S. Moller, T. Newe, S. Lochmann
{"title":"Review of platforms and security protocols suitable for wireless sensor networks","authors":"S. Moller, T. Newe, S. Lochmann","doi":"10.1109/ICSENS.2009.5398222","DOIUrl":"https://doi.org/10.1109/ICSENS.2009.5398222","url":null,"abstract":"There is a great number of platforms and security protocols which can be used for wireless sensor networks (WSN). All these platforms and protocols have different properties with certain advantages and disadvantages. For a good choice of platform and an associated protocol, these advantages and disadvantages should be compared and the best for the appropriate WSN chosen. To select a Security protocol and a wireless platform suitable for a specific application a software tool will be developed. That tool will enable wireless network deployment engineers to easily select a suitable wireless platform for their application based on their network needs and application security requirements.","PeriodicalId":262591,"journal":{"name":"2009 IEEE Sensors","volume":"137 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2009-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121633580","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
A bio-thermochemical sensor of microbolometer immobilized liposome for detection of causative protein of Alzheimer's disease, amyloid beta 微热计固定化脂质体用于阿尔茨海默病致病蛋白β淀粉样蛋白检测的生物热化学传感器
2009 IEEE Sensors Pub Date : 2009-10-01 DOI: 10.1109/ICSENS.2009.5398264
M. Noda, T. Asai, K. Yamashita, T. Shimanouchi, H. Umakoshi, M. Okuyama, R. Kuboi
{"title":"A bio-thermochemical sensor of microbolometer immobilized liposome for detection of causative protein of Alzheimer's disease, amyloid beta","authors":"M. Noda, T. Asai, K. Yamashita, T. Shimanouchi, H. Umakoshi, M. Okuyama, R. Kuboi","doi":"10.1109/ICSENS.2009.5398264","DOIUrl":"https://doi.org/10.1109/ICSENS.2009.5398264","url":null,"abstract":"Forming process of liposome droplet and its stable immobilization on a Si-based microbolometer are investigated and applied for detection of causative protein of Alzheimer's disease, amyloid β (Aβ) protein, where the disease is closely related to the amyloid fibril formation. This work is a preliminary but innovative approach applying a bio-thermochemical microsensor to monitor the formation. It is observed that the bolometer surface keeps a long time intact behavior of the liposome up to 24 hours. It seems from time course results with Aβ that the variation in the temperature profile corresponds to that observed in fluorescence analysis result of the formation.","PeriodicalId":262591,"journal":{"name":"2009 IEEE Sensors","volume":"82 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2009-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126466852","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
Highly sensitive radio-frequency UV sensor based on photocapacitive effect in GaN 基于氮化镓光电容效应的高灵敏度射频紫外传感器
2009 IEEE Sensors Pub Date : 2009-10-01 DOI: 10.1109/ICSENS.2009.5398375
V. Chivukula, D. Čiplys, A. Sereika, M. Shur, Jinwei Yang, R. Gaska
{"title":"Highly sensitive radio-frequency UV sensor based on photocapacitive effect in GaN","authors":"V. Chivukula, D. Čiplys, A. Sereika, M. Shur, Jinwei Yang, R. Gaska","doi":"10.1109/ICSENS.2009.5398375","DOIUrl":"https://doi.org/10.1109/ICSENS.2009.5398375","url":null,"abstract":"We demonstrate a novel highly sensitive UV sensor based on RF LC oscillator with an optical frequency modulation due to the photocapacitive effect in an interdigitated aluminum-on-GaN/sapphire structure. In the range from 280 nm to 325 nm, the sensor exhibits extremely high sensitivity of 60 KHz/¿W/cm2 at low UV powers (¿30 ¿W). The maximum oscillator frequency shift of 4 MHz was observed at 375 nm corresponding to UV power density of 70 ¿W/cm2. This is at least two orders of magnitude higher than the values previously reported in literature for GaN-based SAW delay-line oscillators. The spectral response data from LC oscillator have been corroborated with direct measurements of photocapacitance and photoconductance values extracted from S-parameter measurements in both frequency and time domains. This sensor offers advantages of remote wireless signal transmission and high precision in frequency response measurements.","PeriodicalId":262591,"journal":{"name":"2009 IEEE Sensors","volume":" 19","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2009-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"120941696","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
Variable sensitivity online optical fibre radiation dosimeter 可变灵敏度在线光纤辐射剂量计
2009 IEEE Sensors Pub Date : 2009-10-01 DOI: 10.1109/ICSENS.2009.5398534
S. O’Keeffe, E. Lewis, A. Santhanam, J. Rolland
{"title":"Variable sensitivity online optical fibre radiation dosimeter","authors":"S. O’Keeffe, E. Lewis, A. Santhanam, J. Rolland","doi":"10.1109/ICSENS.2009.5398534","DOIUrl":"https://doi.org/10.1109/ICSENS.2009.5398534","url":null,"abstract":"The use of Poly Methyl MethAcrylate (PMMA) optical fibres for monitoring a wide range of radiation doses, for a multi-functional dosimeter, is being investigated. The sensitivity of the fibre to ionising radiation is shown to be dependant on wavelength, with the sensitivity increasing with decreasing wavelength. The fibres exhibit high sensitivity, as high as 0.6dBm−1/kGy, and are capable of monitoring dose ranges between 30Gy and 45kGy. This exceeds the sensing range of all currently commercially available PMMA slab sensors. By carefully selecting the monitoring wavelength, the exact sensitivity and dose range can be achieved, thereby allowing the dosimeter to be suitable for a wide range of applications.","PeriodicalId":262591,"journal":{"name":"2009 IEEE Sensors","volume":"31 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2009-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121030720","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
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