2011 Fifth International Conference on Sensing Technology最新文献

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Synthesis, characterizations and gas sensing properties of nanocrystalline In2O3 thick film sensor 纳米晶In2O3厚膜传感器的合成、表征及气敏性能
2011 Fifth International Conference on Sensing Technology Pub Date : 2011-11-01 DOI: 10.1109/ICSENST.2011.6136980
R. H. Bari, D. Chavan, G. Jain
{"title":"Synthesis, characterizations and gas sensing properties of nanocrystalline In2O3 thick film sensor","authors":"R. H. Bari, D. Chavan, G. Jain","doi":"10.1109/ICSENST.2011.6136980","DOIUrl":"https://doi.org/10.1109/ICSENST.2011.6136980","url":null,"abstract":"The nanocrystalline powder of In<inf>2</inf>O<inf>3</inf> with cubic structure prepared by a simple hydrothermal decomposition route. The structure and crystal phase of the powder was characterized by X-ray diffraction (XRD), microstructure by Transmission Electron Microscopy (TEM). The results indicated that the indium oxide was cubic with range size 28.5– 65.8 nm. Gas sensing properties of the nanocrystalline In<inf>2</inf>O<inf>3</inf> thick film sensor were tested for various gases in air at static state. The tested results showed that the sensor based on In<inf>2</inf>O<inf>3</inf> nanocrystals exhibited high response towards H<inf>2</inf>S gas (40 ppm) at an operating temperature 100°C. The selectivity of the sensor elements for H<inf>2</inf>S gas against different gases was studied. The results on response and recovery time were also discussed.","PeriodicalId":202062,"journal":{"name":"2011 Fifth International Conference on Sensing Technology","volume":"165 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114431321","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
Temperature sensors for use in muscle microcalorimetry 用于肌肉微热量测量的温度传感器
2011 Fifth International Conference on Sensing Technology Pub Date : 2011-11-01 DOI: 10.1109/ICSENST.2011.6136968
C. Johnston, Poul M. F. Nielsen, A. Taberner, I. Hunter
{"title":"Temperature sensors for use in muscle microcalorimetry","authors":"C. Johnston, Poul M. F. Nielsen, A. Taberner, I. Hunter","doi":"10.1109/ICSENST.2011.6136968","DOIUrl":"https://doi.org/10.1109/ICSENST.2011.6136968","url":null,"abstract":"In order to measure the heat production of small samples of heart muscle, very sensitive temperature sensors are required. In this paper, we survey a range of candidate temperature sensors for use in a microcalorimeter for studying cardiac muscle tissue. The key metrics (noise-equivalent temperature, thermal mass and noise-equivalent heat) of eight different temperature and heat sensors are compared. The sensor that would potentially allow the greatest heat resolution utilises the phenomenon of vapour pressure. An initial prototype of this thermometer has been constructed, and the design of a new sensor is outlined.","PeriodicalId":202062,"journal":{"name":"2011 Fifth International Conference on Sensing Technology","volume":"74 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124753844","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
Load distribution scheme for power saving efficiency in wireless sensor networks 无线传感器网络中节能的负载分配方案
2011 Fifth International Conference on Sensing Technology Pub Date : 2011-11-01 DOI: 10.1109/ICSENST.2011.6136995
Tsukasa Goto, M. Noto
{"title":"Load distribution scheme for power saving efficiency in wireless sensor networks","authors":"Tsukasa Goto, M. Noto","doi":"10.1109/ICSENST.2011.6136995","DOIUrl":"https://doi.org/10.1109/ICSENST.2011.6136995","url":null,"abstract":"Wireless sensor networks have drawn enormous interest as the ubiquitous network society has evolved. One draw-back associated with wireless sensor networks is the concentration of network traffic on nodes and bottleneck nodes near sink nodes. Studies have explored multi-sink wireless sensor networks as a way of balancing loads across nodes near sinks, but traffic load concentration nodes are not only found around sinks. Here we propose a scheme for reducing the energy consumption of data gathering wireless sensor networks with unevenly distributed nodes, and thereby prolong the service life of networks. The proposed scheme selects multi-sink destinations based on the residual power reduction rate of nearby nodes, and curtails routing via the load-concentrated nodes after detecting these nodes based on their packet reception state. Energy consumption on the high traffic load nodes is reduced by this load balancing among relay nodes, which balances loads on load-concentrated nodes and nodes near sinks. Comparing our proposed scheme with a conventional approach by computer simulation, we prove that our method uses less energy to run topologies where load-concentrated nodes are present, and thus prolongs the service life of the network.","PeriodicalId":202062,"journal":{"name":"2011 Fifth International Conference on Sensing Technology","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131380114","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
Biquaternion beamspace for polarization estimation and direction finding 偏振估计和测向的双四元数波束空间
2011 Fifth International Conference on Sensing Technology Pub Date : 2011-11-01 DOI: 10.1109/ICSENST.2011.6136987
J. Jiang, Dan Li, Jianqiu Zhang, Bo Hu, Qiyong Lu
{"title":"Biquaternion beamspace for polarization estimation and direction finding","authors":"J. Jiang, Dan Li, Jianqiu Zhang, Bo Hu, Qiyong Lu","doi":"10.1109/ICSENST.2011.6136987","DOIUrl":"https://doi.org/10.1109/ICSENST.2011.6136987","url":null,"abstract":"A biquaternion beamspace, constructed by passing the original array data through a quaternion beamformer, is proposed in this paper. Based on our biquaternion beamspace theory, the reason why the existing biquaternion MUSIC (BQ-MUSIC) estimator is not able to estimate the sources' polarization information is theoretically analyzed. From the analytical results, a new version of biquaternion beamspace MUSIC (BB-MUSIC) estimator is introduced to retrieve the sources' polarization information as well as their direction angles. Simulation results are presented to verify the correctness and efficacy of the proposed method.","PeriodicalId":202062,"journal":{"name":"2011 Fifth International Conference on Sensing Technology","volume":"29 7","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"120819755","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
Micro elements for interrogating magnetoelastic sensors 用于询问磁弹性传感器的微元件
2011 Fifth International Conference on Sensing Technology Pub Date : 2011-11-01 DOI: 10.1109/ICSENST.2011.6137077
C. Liang, C. Gooneratne, J. Kosel, L. C. Mathison, B. Chin
{"title":"Micro elements for interrogating magnetoelastic sensors","authors":"C. Liang, C. Gooneratne, J. Kosel, L. C. Mathison, B. Chin","doi":"10.1109/ICSENST.2011.6137077","DOIUrl":"https://doi.org/10.1109/ICSENST.2011.6137077","url":null,"abstract":"This paper reports a new approach for interrogating a magnetoelastic sensor's resonant frequency. Previously, the frequency of a magnetoelastic sensor was measured by using a large-scale solenoid coil of at least some millimeters both in diameter and length. Planar structures of straight-line and rectangular spiral coil are designed, fabricated and tested to interrogate the resonant frequency of a magnetoelastic sensor. A sensor of 4 mm length is measured to have a resonant frequency of 551 kHz in air. The ability to interrogate a magnetoelastic sensor with such microscale elements is a step towards the miniaturization of a magnetoelastic sensor system and integration of such a system in a microfluidics device.","PeriodicalId":202062,"journal":{"name":"2011 Fifth International Conference on Sensing Technology","volume":"43 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132441964","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
Wireless sensor network for data-center environmental monitoring 用于数据中心环境监测的无线传感器网络
2011 Fifth International Conference on Sensing Technology Pub Date : 2011-11-01 DOI: 10.1109/ICSENST.2011.6137036
Michael G. Rodriguez, Luis E. Ortiz Uriarte, Yi Jia, Kazutomo Yoshii, R. Ross, P. Beckman
{"title":"Wireless sensor network for data-center environmental monitoring","authors":"Michael G. Rodriguez, Luis E. Ortiz Uriarte, Yi Jia, Kazutomo Yoshii, R. Ross, P. Beckman","doi":"10.1109/ICSENST.2011.6137036","DOIUrl":"https://doi.org/10.1109/ICSENST.2011.6137036","url":null,"abstract":"Data centers' energy consumption has attracted global attention because of the fast growth of the information technology (IT) industry. Up to 60% of the energy consumed in a data center is used for cooling in wasteful ways as a result of lack of environmental information and overcompensated cooling systems. In this project, a wireless sensor network for data-enter environmental monitoring was developed to improve energy efficiency and to optimize data-center performance. The sensor network consists of a suite of sensor nodes for data sensing, a router node to relay sensed data, and a coordinator node to establish a network, receive the data, and process the data. The prototype sensor network was built on Arduino open source hardware with a seamlessly integrated XBee RF module and configured to operate within the ZigBee mesh network standard. A 24-hour test run at Argonne's data center demonstrated that the wireless networked environmental monitoring solution is easy to integrate and manage with the existing IT infrastructure, while delivering better visibility into the data center's 3D temperature and humidity distribution and substantial improvements in energy efficiency.","PeriodicalId":202062,"journal":{"name":"2011 Fifth International Conference on Sensing Technology","volume":"76 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134507096","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: 62
From a review of HDR sensing and tone compression to a novel imaging approach 从回顾HDR传感和色调压缩到一种新的成像方法
2011 Fifth International Conference on Sensing Technology Pub Date : 2011-11-01 DOI: 10.1109/ICSENST.2011.6137010
A. Punchihewa, T. Hamamoto, T. Kojima
{"title":"From a review of HDR sensing and tone compression to a novel imaging approach","authors":"A. Punchihewa, T. Hamamoto, T. Kojima","doi":"10.1109/ICSENST.2011.6137010","DOIUrl":"https://doi.org/10.1109/ICSENST.2011.6137010","url":null,"abstract":"This paper reviews current high dynamic range (HDR) image sensing techniques and tone compression briefly. Then outline a novel approach for imaging which encompasses sensing and tone compression based on pixel based high dynamic range image capture using adaptive integration. Luminance domain processing will be explored to come up with a technique that will be a part of a novel system-on-chip (SOC) architecture. Currently we are working on an imaging system for special applications that need to take care of both adaptive HDR sensing and programmable tone compression. We explore the possibility of performing certain signal processing in the sensor integration itself and/or using a FPGA as immediate peripheral circuit operate in a pipeline and parallel process scheme on photo diode output.","PeriodicalId":202062,"journal":{"name":"2011 Fifth International Conference on Sensing Technology","volume":"145 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133811297","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
Model-based Wheel Speed acquistion by interrupt capture method for integrated stability control 基于模型的车轮转速的中断捕获综合稳定控制方法
2011 Fifth International Conference on Sensing Technology Pub Date : 2011-11-01 DOI: 10.1109/ICSENST.2011.6137065
Appalaraju Madeti, K. Tilak, Narasimha Bidi, U. Karle, K. Prasanna Venkatesan
{"title":"Model-based Wheel Speed acquistion by interrupt capture method for integrated stability control","authors":"Appalaraju Madeti, K. Tilak, Narasimha Bidi, U. Karle, K. Prasanna Venkatesan","doi":"10.1109/ICSENST.2011.6137065","DOIUrl":"https://doi.org/10.1109/ICSENST.2011.6137065","url":null,"abstract":"A key technological feature of automotive active safety systems is the accurate and instantaneous calculation of the Wheel Speed and Wheel angular Acceleration or Deceleration. Accurate and fast measurements are critical for the functionality of the active safety systems, irrespective of the control logic used to realize the control function. The accurate estimation of critical vehicle dynamic states such as Vehicle Speed, Vehicle Acceleration or Deceleration, Vehicle Longitudinal Force, Wheel Load, Road Friction Coefficient and Vehicle Yaw Rate depend on the accurate acquisition of the Wheel Speed This paper presents a novel model-based method for Wheel Speed acquisition based on interrupt capture. This method assures accuracy at high and low speed and the real-time performance at low speed. The hardware interrupts are generated for every rising and falling edges of Hall effect Wheel Speed Sensor, and are used to trigger an Interrupt Service Routine that implements a time capture algorithm. This method ensures that Hall effect sensor pulses are not missed hence provides accurate measured values compared to conventional Input capture methods based on either rising or falling edges. The paper also provides the results of above strategy from MIL and Vehicle tests.","PeriodicalId":202062,"journal":{"name":"2011 Fifth International Conference on Sensing Technology","volume":"102 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132478812","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
Validation of an analytical model for contact mode plate deflection of touch mode capacitive pressure sensors 触模电容式压力传感器触模极板偏转分析模型的验证
2011 Fifth International Conference on Sensing Technology Pub Date : 2011-11-01 DOI: 10.1109/ICSENST.2011.6137060
G. Fragiacomo, E. Thomsen, Thor Ansbek
{"title":"Validation of an analytical model for contact mode plate deflection of touch mode capacitive pressure sensors","authors":"G. Fragiacomo, E. Thomsen, Thor Ansbek","doi":"10.1109/ICSENST.2011.6137060","DOIUrl":"https://doi.org/10.1109/ICSENST.2011.6137060","url":null,"abstract":"Design and fabrication of touch mode micro pressure sensors rely on accurate and simple models in order to evaluate the plate deflection profile. This can be used to calculate the capacitance, sensitivity and touch point pressure which are among the key performance parameters of this class of devices. Here we validate a simple analytical model by means of finite element analysis (FEA). An excellent match is shown between the resulting deflection profile and capacitance found by the finite-element and analytical model in both normal mode and touch mode.","PeriodicalId":202062,"journal":{"name":"2011 Fifth International Conference on Sensing Technology","volume":"68 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131817515","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 stable capacitance-to-digital converter with improved dynamic range 高稳定的电容-数字转换器,具有改进的动态范围
2011 Fifth International Conference on Sensing Technology Pub Date : 2011-11-01 DOI: 10.1109/ICSENST.2011.6136950
R. Nojdelov, Ruimin Yang, Xiaodong Guo, S. Nihtianov
{"title":"Highly stable capacitance-to-digital converter with improved dynamic range","authors":"R. Nojdelov, Ruimin Yang, Xiaodong Guo, S. Nihtianov","doi":"10.1109/ICSENST.2011.6136950","DOIUrl":"https://doi.org/10.1109/ICSENST.2011.6136950","url":null,"abstract":"This paper presents the design, implementation and verification of a highly stable capacitance-to-digital converter (CDC). This converter is based on a multi-slope type of converter which utilizes stable resistors as reference components. Based on the previous works, a so-called “zoom-in” technique is applied in this design which significantly improves the dynamic range of the converter. The measurement range is up to 100pF if the zoom-in is enabled. Depending on the measurement mode, the measurement time varies from 51us to 75us. The experimental results show that the converter achieves up to 18.5-bit dynamic range when enabling the zoom-in and 3.6 ppm/°C temperature stability. The 1/f noise corner of the converter is around 20mHz which indicates good long-term stability.","PeriodicalId":202062,"journal":{"name":"2011 Fifth International Conference on Sensing Technology","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130530774","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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