Proceedings of IEEE Sensors 2003 (IEEE Cat. No.03CH37498)最新文献_第3页

Circular microphone array for meeting system 用于会议系统的圆形麦克风阵列

Proceedings of IEEE Sensors 2003 (IEEE Cat. No.03CH37498) Pub Date : 2003-10-22 DOI: 10.1109/ICSENS.2003.1279114

Y. Tamai, S. Kagami, H. Mizoguchi, K. Sakaya, K. Nagashima, T. Takano

引用次数: 17

Ultra-low power motion-triggered image sensor for distributed wireless sensor network 用于分布式无线传感器网络的超低功耗运动触发图像传感器

Proceedings of IEEE Sensors 2003 (IEEE Cat. No.03CH37498) Pub Date : 2003-10-22 DOI: 10.1109/ICSENS.2003.1279123

Guangbin Zhang, Tianhong Yang, S. Gregori, Jin Liu, F. Maloberti

引用次数: 11

Multi-lateration for multiplexed ultrasonic sensors 多路超声传感器的多角化

Proceedings of IEEE Sensors 2003 (IEEE Cat. No.03CH37498) Pub Date : 2003-10-22 DOI: 10.1109/ICSENS.2003.1279139

T. Hori, Y. Nishida, T. Kanade, K. Akiyama

引用次数: 3

Noncooled InAs photodiodes for optoelectonic sensors of methane 甲烷光电传感器用非冷却InAs光电二极管

Proceedings of IEEE Sensors 2003 (IEEE Cat. No.03CH37498) Pub Date : 2003-10-22 DOI: 10.1109/ICSENS.2003.1278906

V. Khivrych, G. Olijnyk, A. Sukach, V. Tetyorkin, M. Rubay, S. Oshchudlyak

{"title":"Noncooled InAs photodiodes for optoelectonic sensors of methane","authors":"V. Khivrych, G. Olijnyk, A. Sukach, V. Tetyorkin, M. Rubay, S. Oshchudlyak","doi":"10.1109/ICSENS.2003.1278906","DOIUrl":"https://doi.org/10.1109/ICSENS.2003.1278906","url":null,"abstract":"Modern optoelectronic gaseous sensors require high performance photodetectors for mid-wavelength infrared (IR) region because of the most intensive absorption lines of carbons, which are the structural units of pollutant gases, fall into the wavelength region 3.2-3.4 /spl mu/m. The most effective sources of IR radiation in this spectral region are LEDs made of p-n-InGaAs/n-InAs and p-n-InAsSbP/n-InAs heterostructures. To be successfully used in optoelectronic gaseous sensors IR photodiodes should exhibit high sensitivity and operating speed. In many cases these photodiodes should be also explosion proof. The carrier transport mechanisms were investigated in the temperature range 77-330 K. At actual temperatures T=260-300 K the forward current is determined by two mechanisms: diffusion in the bulk and generation in the depletion region. In photodiodes with p-n junction depth h=6/spl divide/7 /spl mu/m the photoresponse spectra has maximum at /spl lambda//sub max/=3.3/spl divide/3.5 /spl mu/m (T=295 K). These dependencies are well coincide with LEDs spectra /spl lambda/=3.3 /spl mu/m. In investigated photodiodes the current responsivity was ranged from 0.7 to 0.8 A/spl times/W/sup -1/ at the wavelength 3.3 /spl mu/m. The specific detectivity D/sub /spl lambda// (3.3 /spl mu/m, 800 Hz, 1 Hz) was found to be in the range 3.0/spl divide/ 3.5/spl times/10/sup 9/ W/sup -1/ cm Hz/sup 1/2/ at T=295 K. These threshold parameters exceed analogous ones in commercially available photodiodes.","PeriodicalId":369277,"journal":{"name":"Proceedings of IEEE Sensors 2003 (IEEE Cat. No.03CH37498)","volume":"20 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2003-10-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115108995","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

Real-time and high-resolution 3D imaging system using light-section method and smart CMOS sensor 采用光切片法和智能CMOS传感器的实时高分辨率三维成像系统

Proceedings of IEEE Sensors 2003 (IEEE Cat. No.03CH37498) Pub Date : 2003-10-22 DOI: 10.1109/ICSENS.2003.1278989

Y. Oike, Hiroaki Shintaku, S. Takayama, M. Ikeda, K. Asada

引用次数: 14

Experimental and finite element analysis of an endoscopic tooth-like tactile sensor 内窥镜齿状触觉传感器的实验与有限元分析

Proceedings of IEEE Sensors 2003 (IEEE Cat. No.03CH37498) Pub Date : 2003-10-22 DOI: 10.1109/ICSENS.2003.1278939

H. Singh, R. Sedaghati, J. Dargahi

{"title":"Experimental and finite element analysis of an endoscopic tooth-like tactile sensor","authors":"H. Singh, R. Sedaghati, J. Dargahi","doi":"10.1109/ICSENS.2003.1278939","DOIUrl":"https://doi.org/10.1109/ICSENS.2003.1278939","url":null,"abstract":"This paper reports on the finite element analysis and experimental study of a prototype PVDF endoscopic tooth-like tactile sensor capable of measuring compliance of a contact object. Present days endoscopic graspers are designed tooth-like in order to grasp slippery tissues. However they are not equipped with tactile sensors to measure the compliance of tissue. The tactile sensor consists of rigid and compliant cylindrical elements. Determination of the compliance of the sensed objects is based on the relative deformation of contact object/tissue on the compliant and rigid element of the sensor. The polyvinylidene fluoride (PVDF) film sandwiched between rigid cylinder and plate and also between the two base plates has been used to measure the force applied on the rigid element and the total force applied on the sensor, respectively. Using the finite element method, the rigid and compliant elements are modeled as solid and elastic foundations, respectively. The data obtained for the force variation are plotted for the various modulus of elasticity of the sensed object. An array of the sensors was also designed in two different configurations depending on the method of measuring the total force. In one configuration, the total force is measured on the sensed object using common base plates and in the other configuration it is measured using different base plates arrangement. It has been shown that good agreement exists between the finite element results and experimental values. The sensor exhibits high force sensitivity and good linearity. Further, an array of these sensors could be miniaturized to integrate with commercial endoscope.","PeriodicalId":369277,"journal":{"name":"Proceedings of IEEE Sensors 2003 (IEEE Cat. No.03CH37498)","volume":"29 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2003-10-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116837336","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

Robot localisation using interval analysis 使用区间分析的机器人定位

Proceedings of IEEE Sensors 2003 (IEEE Cat. No.03CH37498) Pub Date : 2003-10-22 DOI: 10.1109/ICSENS.2003.1278890

I. Ashokaraj, A. Tsourdos, B. White, P. Silson

引用次数: 3

Multi-sensor adaptive heart and lung sound extraction 多传感器自适应心肺声提取

Proceedings of IEEE Sensors 2003 (IEEE Cat. No.03CH37498) Pub Date : 2003-10-22 DOI: 10.1109/ICSENS.2003.1279113

Hong Wang, L. Wang

{"title":"Multi-sensor adaptive heart and lung sound extraction","authors":"Hong Wang, L. Wang","doi":"10.1109/ICSENS.2003.1279113","DOIUrl":"https://doi.org/10.1109/ICSENS.2003.1279113","url":null,"abstract":"Continuous monitoring of heart and lung sounds is of essential importance in medical diagnosis in patients with lung or heart diseases and detection of critical conditions in operating rooms. To obtain quantitative and reliable diagnosis and detection, it is critically important that cardiac and respiratory auscultation retains sounds of high clarity. Clinical acoustic environment imposes great challenges for heart and lung sound acquisition. Unlike acoustic labs in which noise levels can be artificially controlled and reduced, operating rooms are very noisy due to surgical devices, ventilation machines, conversations, alarms, etc. The unpredictable and broadband natures of such noises make operating rooms a very difficult acoustic environment. More technically, lung and heart sounds are weaker than environment noises, and have frequency bands which overlap significantly with noise frequencies. As a result, high fidelity microphones and traditional noise filtering or cancellation techniques cannot help much. Furthermore, due to large variations in patient physiological conditions, operating variables, surgical types, and operating room settings, sound transmission channels vary vastly from patient to patient and during the surgical process. Consequently, it becomes imperative to provide modeling capability for capturing individual characteristics of sound transmission channels. This paper presents a signal processing method that uses (1) an embedded signal for system excitation and identification, (2) an adaptive. algorithm for updating systems so that time variations can be compensated, (3) an signal separation algorithm to extract desired signals, and (4) an adjustable filter to reduce noise impact on the target signal components. This approach can potentially provide superior performance over algorithms that rely on individual fixed filters or statistical based sound separation.","PeriodicalId":369277,"journal":{"name":"Proceedings of IEEE Sensors 2003 (IEEE Cat. No.03CH37498)","volume":"8 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2003-10-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128885868","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

Active biosensors with dyed-doped microcavities 染料掺杂微腔有源生物传感器

Proceedings of IEEE Sensors 2003 (IEEE Cat. No.03CH37498) Pub Date : 2003-10-22 DOI: 10.1109/ICSENS.2003.1279028

Jun Yang, L. Jay Guo

引用次数: 0

An intelligent fuel sensor based on a microstructured gas sensor 一种基于微结构气体传感器的智能燃料传感器

Proceedings of IEEE Sensors 2003 (IEEE Cat. No.03CH37498) Pub Date : 2003-10-22 DOI: 10.1109/ICSENS.2003.1279106

T. Kammerer, M. Engel, A. Schutze

{"title":"An intelligent fuel sensor based on a microstructured gas sensor","authors":"T. Kammerer, M. Engel, A. Schutze","doi":"10.1109/ICSENS.2003.1279106","DOIUrl":"https://doi.org/10.1109/ICSENS.2003.1279106","url":null,"abstract":"Temperature cycling of semiconductor gas sensors is a very powerful tool for developing gas detection systems with high selectivity and stability. Microstructured gas sensors - due to their low thermal mass - have very low thermal time constants in the range of 10 ms. Based on these sensors, development of fast and highly selective gas detection systems is possible using temperature cycles spanning the whole operating temperature range with ten or more levels with an overall duration of only a few seconds. I or efficient evaluation of these systems, we have developed a versatile hardware platform which provides accurate control for arbitrary temperature cycles and fast, high resolution data acquisition either in stand-alone operation or connected to a PC Based on this platform, we demonstrate a system for fast discrimination between gasoline and diesel vapors based on a single microsensor and intelligent signal processing. The system is not only able to discriminate steady state conditions but also to correctly classify the transient behavior immediately after exposing the sensor to fuel vapor or ambient air. Integrated in pump nozzles at filling stations the system would allow to prevent the car tank from being filled with the wrong fuel by detecting the type of fuel inside the tank in seconds. For this application micro pellistors are also suitable, which have shown superior stability compared to semiconductor gas sensors.","PeriodicalId":369277,"journal":{"name":"Proceedings of IEEE Sensors 2003 (IEEE Cat. No.03CH37498)","volume":"21 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2003-10-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129253831","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