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2011 Fifth International Conference on Sensing Technology最新文献

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Acoustic sensor system for loosening detection of hip implants 用于髋关节植入物松动检测的声学传感器系统
2011 Fifth International Conference on Sensing Technology Pub Date : 2011-11-01 DOI: 10.1109/ICSENST.2011.6137029
H. Ewald, U. Timm, C. Ruther, W. Mittelmeier, R. Bader, D. Kluess
{"title":"Acoustic sensor system for loosening detection of hip implants","authors":"H. Ewald, U. Timm, C. Ruther, W. Mittelmeier, R. Bader, D. Kluess","doi":"10.1109/ICSENST.2011.6137029","DOIUrl":"https://doi.org/10.1109/ICSENST.2011.6137029","url":null,"abstract":"One of the main reasons for revision of total hip replacements (THR) is the aseptic or septic loosening. The Osseointegration of the uncemented hip stem in the femoral bone has to detect exactly in order to enable early state loosening detection. All present diagnostic methods, e.g. radiographs and arthroscopy, show insufficient sensitivities and specificities between 70% and 80%. Osseointegration can be identified in-vivo by use of acoustic methods. The acoustic waves can be generated by a mechanical hammer or by a piezoelectric transducer placed on the inside the femoral hip stem wall. Thereby the mechanical-acoustic properties of the bone interface give information about the status of the loosening process.A functional model of the measuring principle shows significant differences in varied phases of fixation. The new acoustic sensor system demonstrates its potential to detect aseptic loosening. Moreover, the proposed system could be used in experimental applications to determine the quality of osseo-integrative coatings and new implant materials as well.","PeriodicalId":202062,"journal":{"name":"2011 Fifth International Conference on Sensing Technology","volume":"28 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":"132119810","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: 9
Metal detector head analysis 金属探测器头部分析
2011 Fifth International Conference on Sensing Technology Pub Date : 2011-11-01 DOI: 10.1109/ICSENST.2011.6137076
Zhuoran Tang, L. Carter
{"title":"Metal detector head analysis","authors":"Zhuoran Tang, L. Carter","doi":"10.1109/ICSENST.2011.6137076","DOIUrl":"https://doi.org/10.1109/ICSENST.2011.6137076","url":null,"abstract":"Metal-detector performance depends heavily on the sensor head. Errors in coil placement within the head can lead to degradation in detector performance. Electromagnetic modelling of typical very-low-frequency detector heads shows the effect of coil placement errors on detector sensitivity. Provided the bucking coil ‘tracks’ the receive coil, required error corrections can remain small.","PeriodicalId":202062,"journal":{"name":"2011 Fifth International Conference on Sensing Technology","volume":"35 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":"125118427","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: 7
A novel optical fiber sensor for gas temperature monitoring in chemically pollutted environments 一种用于化学污染环境气体温度监测的新型光纤传感器
2011 Fifth International Conference on Sensing Technology Pub Date : 2011-11-01 DOI: 10.1109/ICSENST.2011.6136946
G. Saviano, C. Lupi, F. Felli, C. Vendittozzi, L. Benussi, S. Bianco, D. Piccolo, M. Caponero
{"title":"A novel optical fiber sensor for gas temperature monitoring in chemically pollutted environments","authors":"G. Saviano, C. Lupi, F. Felli, C. Vendittozzi, L. Benussi, S. Bianco, D. Piccolo, M. Caponero","doi":"10.1109/ICSENST.2011.6136946","DOIUrl":"https://doi.org/10.1109/ICSENST.2011.6136946","url":null,"abstract":"A novel optical fiber sensor for the monitoring of gas temperature is presented. Test results in controlled environment are presented and applications in both industrial and research environments are discussed. The sensor will be proposed for implementation in the real time monitoring of temperature and environmental variables for the improvement of the gas system knowledge and optimization of the muon detector based on Resistive Plate Counters (RPC) of the Compact Muon Solenoid (CMS) collaboration at the Large Hadron Collider (LHC) accelerator of CERN, Geneva (Switzerland).","PeriodicalId":202062,"journal":{"name":"2011 Fifth International Conference on Sensing Technology","volume":"13 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":"128162801","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
Dynamic focusing technique with magnification adjustment in an electro-optical lense 电光透镜中带放大倍率调节的动态聚焦技术
2011 Fifth International Conference on Sensing Technology Pub Date : 2011-11-01 DOI: 10.1109/ICSENST.2011.6136990
Seung Jae Kim, Dong Hwan Kim
{"title":"Dynamic focusing technique with magnification adjustment in an electro-optical lense","authors":"Seung Jae Kim, Dong Hwan Kim","doi":"10.1109/ICSENST.2011.6136990","DOIUrl":"https://doi.org/10.1109/ICSENST.2011.6136990","url":null,"abstract":"In a scanning electron microscope, secondary electrons emitted from the specimen are collected at PMT, later being converted into electron signal to form an image. Usually, most surface perpendicular to the electron beam can be easily measured, however, side surface is not possible to be measured without rotating the specimen. With this forceful rotation (tilt), the original focusing depth is changed, which makes the image blurry or mismatched with original specimen. In this article, an adjustment technique is introduced, yielding the consistent image acquisition for various changes of focusing depth due to the specimen tilting.","PeriodicalId":202062,"journal":{"name":"2011 Fifth International Conference on Sensing Technology","volume":"45 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":"126753594","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
Nano-level 3-D shape measurement system using RGB color interference fringes 基于RGB彩色干涉条纹的纳米级三维形状测量系统
2011 Fifth International Conference on Sensing Technology Pub Date : 2011-11-01 DOI: 10.1109/ICSENST.2011.6137071
S. Hata, Daichi Kimura, I. Ishimaru, M. Kaneda, S. Morimoto, H. Kobayashi
{"title":"Nano-level 3-D shape measurement system using RGB color interference fringes","authors":"S. Hata, Daichi Kimura, I. Ishimaru, M. Kaneda, S. Morimoto, H. Kobayashi","doi":"10.1109/ICSENST.2011.6137071","DOIUrl":"https://doi.org/10.1109/ICSENST.2011.6137071","url":null,"abstract":"Nano-level 3-D measurement is one of the key technologies for the current and future generation of production systems for semi-conductors, LCDs and nano-devices. To meet with these applications, wide range nano-level 3-D shape measurement method using combination of RGB lights has been developed. It measures the height of nano-objects using RGB lights interference color fringes. To analyze the RGB color fringes, the adaptive phase analysis method of interference fringes has been developed and achieved its efficiency. But it cannot measure the shape of edges. To meet with the difficulty, the color analysis method on xy-color plane has been introduced. The combination of the phase measurement method and the color analysis method has measured the 4 micrometer columns precisely. As more practical application, the shape of needles for AFM has been extracted, successfully.","PeriodicalId":202062,"journal":{"name":"2011 Fifth International Conference on Sensing Technology","volume":"185 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":"116375242","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
Optoelectronic applications of MOS capacitors fabricated on high resistivity silicon 高阻硅制MOS电容器的光电应用
2011 Fifth International Conference on Sensing Technology Pub Date : 2011-11-01 DOI: 10.1109/ICSENST.2011.6136993
O. Malik, F. J. De la Hidalga-W, E. Meza-P
{"title":"Optoelectronic applications of MOS capacitors fabricated on high resistivity silicon","authors":"O. Malik, F. J. De la Hidalga-W, E. Meza-P","doi":"10.1109/ICSENST.2011.6136993","DOIUrl":"https://doi.org/10.1109/ICSENST.2011.6136993","url":null,"abstract":"Optoelectronic applications of MOS capacitors, fabricated on high resistivity silicon substrate, and operating in non-equilibrium mode under a triangular voltage sweep are analyzed. It is found that those MOS capacitors behave as sensitive optical sensors with direct (without analog-digital conversion) quasi-digital output in the form of a pulse-width-modulated signal, duty of which depends on the light intensity. Capacitor-based optical sensors are promising for automatic control, robotic, and metrological applications.","PeriodicalId":202062,"journal":{"name":"2011 Fifth International Conference on Sensing Technology","volume":"93 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":"116414184","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
Tunneling magneto-resistor based angle transducer 基于隧道磁电阻的角度传感器
2011 Fifth International Conference on Sensing Technology Pub Date : 2011-11-01 DOI: 10.1109/ICSENST.2011.6137015
C. Anoop, B. George, Kumar V Jagadeesh
{"title":"Tunneling magneto-resistor based angle transducer","authors":"C. Anoop, B. George, Kumar V Jagadeesh","doi":"10.1109/ICSENST.2011.6137015","DOIUrl":"https://doi.org/10.1109/ICSENST.2011.6137015","url":null,"abstract":"An angle transducer that provides a linear output for full-circle range (0–360°) of operation is presented in this paper. The sensor part of the transducer is made of two pairs of Tunneling Magneto-Resistors (TMR) and the signal conditioning part consists of a couple of sinusoids having same frequency but differing in phase by 90° and a phase detector. The novel signal conditioning circuit proposed here operates on the sine/cosine outputs of the TMRs and provides a voltage that is linear to the angle being sensed. Simulation studies conducted using SPICE demonstrate the efficacy of the transducer in providing a linear output across the entire full-scale range with a worst case error less than ± 0.15 %. Results obtained from a prototype unit built and tested establish the practicality of the proposed transducer. The worst case error of the prototype was < ± 1 %.","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":"115183450","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: 11
Synthesis of nano barium zirconate (BaZrO3) and its gas sensing performance using thick film 纳米锆酸钡(BaZrO3)的厚膜合成及其气敏性能研究
2011 Fifth International Conference on Sensing Technology Pub Date : 2011-11-01 DOI: 10.1109/ICSENST.2011.6136974
R. Choudhari, Gotan H. Jain
{"title":"Synthesis of nano barium zirconate (BaZrO3) and its gas sensing performance using thick film","authors":"R. Choudhari, Gotan H. Jain","doi":"10.1109/ICSENST.2011.6136974","DOIUrl":"https://doi.org/10.1109/ICSENST.2011.6136974","url":null,"abstract":"Nano powder of pure Barium Zirconate was prepared by wet-chemistry synthesis method, using Barium Stearate and Tetra-n-Butyl Zirconate as Ba, Zr sources and Stearic acid as complexing reagent. The gel was calcined at 1100 °C in air. X-ray diffraction (XRD), Transmission Electron Microscopy (TEM), Selected Area Electron Diffraction (SAED) and UV Visible spectrograph were used to characterize the crystallization pr°Cess, to study the particle size and morphology of the calcined powder. The results indicated that Barium Zirconate nanopowder with particle size between 19 nm to 79 nm obtained after calcinations of the dried gel at 1100 °C for 1h. Gas sensing performance of this Nano powder using thick films showed maximum sensitivity to NH3 gas at 200°C for 100 ppm gas concentration as compared to other gases like H2S, CO, CO2, Cl2, Ethanol, H2 etc.","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":"128701682","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
Cooperative spectrum sensing for primary user detection in cognitive radio 基于协同频谱感知的认知无线电主用户检测
2011 Fifth International Conference on Sensing Technology Pub Date : 2011-11-01 DOI: 10.1109/ICSENST.2011.6137073
R. Viswanathan
{"title":"Cooperative spectrum sensing for primary user detection in cognitive radio","authors":"R. Viswanathan","doi":"10.1109/ICSENST.2011.6137073","DOIUrl":"https://doi.org/10.1109/ICSENST.2011.6137073","url":null,"abstract":"In order to utilize the available spectrum more efficiently, cognitive radio systems have been proposed. Spectrum sharing in cognitive radios allows unlicensed users to access the licensed spectrum with primary licensed users. For achieving best spectral efficiency and non-interference with primary users, it is important to accurately detect the presence/absence of primary users. For this purpose, the solutions learned within the framework of decentralized detection in sensor networks have been considered. In this paper, we survey various approaches and results obtained for primary user detection in cognitive radio networks.","PeriodicalId":202062,"journal":{"name":"2011 Fifth International Conference on Sensing Technology","volume":"17 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":"131102368","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: 13
An intelligent scanner with handwritten odia character recognition capability 具有手写文字识别功能的智能扫描仪
2011 Fifth International Conference on Sensing Technology Pub Date : 2011-11-01 DOI: 10.1109/ICSENST.2011.6137038
S. Meher, D. Basa
{"title":"An intelligent scanner with handwritten odia character recognition capability","authors":"S. Meher, D. Basa","doi":"10.1109/ICSENST.2011.6137038","DOIUrl":"https://doi.org/10.1109/ICSENST.2011.6137038","url":null,"abstract":"Character recognition plays an important role in the modern world. It can solve more complex problems and make human's job easier. Difficulties in recognition of handwritten text in Indian scripts include extreme cursiveness in their handwritten form due to the presence of vowel modifiers and compound characters. Here we propose a simple yet robust structural solution for recognizing handwritten characters in Odia (the official language of Odisha, a state in Republic of India). In the proposed system, a given text is segmented into lines and then each line is segmented into individual words and then each word is segmented into individual characters or basic symbols. Basic symbols are identified as the fundamental units of segmentation used for recognition. All the characters are divided into two groups (Group-I and Group-II) according to the property i.e. whether a vertical line is present or absent at the right-most part. All the characters of the two groups are resized into 20×14 pixels, which are directly subjected to train the two neural networks (one for Group-I and another for Group-II). Using the proposed system we have found better result for proper recognition rate as compared to other methods. The proposed sensing system is also found to be efficient in compressing the script data quite efficiently.","PeriodicalId":202062,"journal":{"name":"2011 Fifth International Conference on Sensing Technology","volume":"153 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":"129393963","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: 11
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