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2009 IEEE Sensors最新文献

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An approach to monitor solid phase ratio of solid/liquid mixture for cold energy storage and transfer systems 冷储能和冷传输系统固/液混合物固相比监测方法
2009 IEEE Sensors Pub Date : 2009-10-01 DOI: 10.1109/ICSENS.2009.5398335
Yousuke Yamamoto, H. Ohkubo
{"title":"An approach to monitor solid phase ratio of solid/liquid mixture for cold energy storage and transfer systems","authors":"Yousuke Yamamoto, H. Ohkubo","doi":"10.1109/ICSENS.2009.5398335","DOIUrl":"https://doi.org/10.1109/ICSENS.2009.5398335","url":null,"abstract":"A novel solid phase ratio sensor system for solid/liquid mixture to apply cold energy storage and transfer is presented. Phenomena, such as light transparent in the liquid, extinction in the solid and scattering on the solid surface, are applied for this sensor system. The sensor system consists of a solid state laser diode, a CdS photo sensor and a conversion table of the solid phase ratio and the optical transmittance or CdS resistances. From the experiments, it is confirmed that the presented sensor system is useful for monitoring the solid phase ratio.","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":"130648510","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
Multi-coupling gap system modeling for methane detection using hollow-core photonic bandgap fibers 利用空心芯光子带隙光纤进行甲烷探测的多耦合隙系统建模
2009 IEEE Sensors Pub Date : 2009-10-01 DOI: 10.1109/ICSENS.2009.5398581
A. Cubillas, J. M. Lazaro, O. Conde, F. Madruga, J. López-Higuera, Marco N. Petrovich
{"title":"Multi-coupling gap system modeling for methane detection using hollow-core photonic bandgap fibers","authors":"A. Cubillas, J. M. Lazaro, O. Conde, F. Madruga, J. López-Higuera, Marco N. Petrovich","doi":"10.1109/ICSENS.2009.5398581","DOIUrl":"https://doi.org/10.1109/ICSENS.2009.5398581","url":null,"abstract":"Hollow-core photonic bandgap fibers (HC-PBFs) have been recently demonstrated as a powerful technology in the field of gas sensing. The long interaction path lengths achievable with these fibers are advantageous for the detection of weakly absorbing gases such as methane. However, using long path lengths yield to very high insertion times of the gas into the fiber. In this paper, an alternative configuration based on a multi-coupling gap HC-PBF system to detect methane is proposed to overcome this problem. For this purpose, a conventional configuration using one long piece of HC-PBF is compared to this novel configuration, which uses four shorter pieces of HC-PBF with the same overall length as the first configuration. The experimental results are validated theoretically modeling the normalized pressure inside the fiber. A very good correlation between the experimental data and the theoretical fit is obtained, demonstrating the feasibility of the system proposed.","PeriodicalId":262591,"journal":{"name":"2009 IEEE Sensors","volume":"268 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":"124220112","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
Impact of sacrificial layer type on thin-film metal residual stress 牺牲层类型对薄膜金属残余应力的影响
2009 IEEE Sensors Pub Date : 2009-10-01 DOI: 10.1109/ICSENS.2009.5398591
A. Garg, J. Small, X. Liu, A. Mahapatro, D. Peroulis
{"title":"Impact of sacrificial layer type on thin-film metal residual stress","authors":"A. Garg, J. Small, X. Liu, A. Mahapatro, D. Peroulis","doi":"10.1109/ICSENS.2009.5398591","DOIUrl":"https://doi.org/10.1109/ICSENS.2009.5398591","url":null,"abstract":"In this paper we study the impact of two sacrificial layers on the final residual stress of thin gold films. In particular, we comapre a typical photoresist layer (Shipley SC1827) to single-crystalline silicon. We fabricate and measure cantilever beams on both sacrificial layers and study their residual stresses by analyzing the final displacement profile of the released beams. All samples were fabricated at the same time and under identical conditions. The study clearly shows that the induced stress on thin films is dependent on the sacrificial layer. The gold film deposited over the single-crystalline silicon shows nearly zero gradient stress after release. On the other hand, gradient stress dominates the gold film deposited during the same run but over a photoresist layer. Such results are very useful in designing and fabricating a wide variety of low-stress actuators and sensors.","PeriodicalId":262591,"journal":{"name":"2009 IEEE Sensors","volume":"67 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":"123523118","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: 10
Micro cell analysis device using cellular photothermal effect and thermal sensor 利用细胞光热效应和热传感器的微细胞分析装置
2009 IEEE Sensors Pub Date : 2009-10-01 DOI: 10.1109/ICSENS.2009.5398235
B. Kwak, B. Kim, Suk-Heung Song, H. Cho, H. Jung
{"title":"Micro cell analysis device using cellular photothermal effect and thermal sensor","authors":"B. Kwak, B. Kim, Suk-Heung Song, H. Cho, H. Jung","doi":"10.1109/ICSENS.2009.5398235","DOIUrl":"https://doi.org/10.1109/ICSENS.2009.5398235","url":null,"abstract":"This article presents a new micro-device for analysis of a laser-induced cellular photothermal effect using a microfabricated platinum resistance temperature detector (platinum RTD). The thermometer was fabricated with platinum thin layer using a microelectromechanical system (MEMS) technique and the microchannel was made of polydimethylsiloxane (PDMS) using a standard soft-lithography. Platinum RTD has 2µm of the electrode width with the serpentine shaped platinum element and the electric resistance at 0°C is 247.88Ω. To measure erythrocyte-specific heat variations, 1 to 300mW power tunable diode pumped solid state (DPSS) laser module was used with 532nm wavelength. Temperature variations of blood cells after laser-irradiation were measured using the platinum RTD. For manipulating the cells, a microfluidic channel and hydrodynamic focusing were used.","PeriodicalId":262591,"journal":{"name":"2009 IEEE Sensors","volume":"20 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":"120952601","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
Study of surface enhanced Raman scattering (SERS) within hollow core photonic crystal fiber 空芯光子晶体光纤表面增强拉曼散射(SERS)研究
2009 IEEE Sensors Pub Date : 2009-10-01 DOI: 10.1109/ICSENS.2009.5398238
Vidhu S. Tiwari, A. Khetani, M. Naji, H. Anis
{"title":"Study of surface enhanced Raman scattering (SERS) within hollow core photonic crystal fiber","authors":"Vidhu S. Tiwari, A. Khetani, M. Naji, H. Anis","doi":"10.1109/ICSENS.2009.5398238","DOIUrl":"https://doi.org/10.1109/ICSENS.2009.5398238","url":null,"abstract":"The presented work aims to realize the surface enhanced Raman scattering (SERS) signal of rhodamine 6G (Rh 6G) molecule by non-selectively filling all the holes of hollow core photonic crystal fiber (HC-PCF) while exploiting the bandgap property of HC-PCF. As a consequence, strong mode field overlap with the analyte solution is achieved resulting in an amplified Raman signal with just a few milliwatts (∼2mW) of sample energy within the fiber core. The actual contribution of enhancement by HC-PCF has been deconvolved from that of nanoparticles in the overall Raman signal enhancement of Rh 6G. Finally, we report the enhancement factor of Raman signal of Rh 6G, filled within the different lengths of HC-PCF.","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":"121213742","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: 8
Dual mode sensor for belt conveyor systems based on planar metamaterials 基于平面超材料的带式输送机双模传感器
2009 IEEE Sensors Pub Date : 2009-10-01 DOI: 10.1109/ICSENS.2009.5398281
M. Puentes, B. Stelling, M. Schussler, A. Penirschke, C. Damm, R. Jakoby
{"title":"Dual mode sensor for belt conveyor systems based on planar metamaterials","authors":"M. Puentes, B. Stelling, M. Schussler, A. Penirschke, C. Damm, R. Jakoby","doi":"10.1109/ICSENS.2009.5398281","DOIUrl":"https://doi.org/10.1109/ICSENS.2009.5398281","url":null,"abstract":"A new sensor concept has been developed using a metamaterial transmission line with two different operation modes for the simultaneous detection of material permittivity and position. In the first mode the sensor is used as a resonator and the permittivity is detected accurately and with a moderate cost. On the second mode the sensor is used as a transmission line and the spatial material distribution is detected using time domain reflectometry techniques. A prototype sensor has been realized and tested in a dedicated measurement setup. The areas of application of these types of sensors are material monitoring during transportation in conveyor belts for several industrial processes.","PeriodicalId":262591,"journal":{"name":"2009 IEEE Sensors","volume":"48 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":"121473927","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: 8
Surface force sensed by cells used for autonomous migration 用于自主迁移的细胞所感知的表面力
2009 IEEE Sensors Pub Date : 2009-10-01 DOI: 10.1109/ICSENS.2009.5398273
Juhee Hong, Sujin Lee, M. Cha, Junghoon Lee
{"title":"Surface force sensed by cells used for autonomous migration","authors":"Juhee Hong, Sujin Lee, M. Cha, Junghoon Lee","doi":"10.1109/ICSENS.2009.5398273","DOIUrl":"https://doi.org/10.1109/ICSENS.2009.5398273","url":null,"abstract":"In this study, we develop a platform for investigating the mechanical perceptual ability of a cell and monitor its migration guided by a pure surface gradient rigidity. The cells are cultured on a flexible substrate with variable mechanical stiffness with other conditions kept unvarying. The thickness polydimethylsiloxane (PDMS) layer on glass trench surface with thickness variation was used to create a rigidity gradient between stiff (2.5 µm) and soft (7.5 µm) regions. The changes of surface rigidity were 48.8% in normal direction (stiff: 2.9 N/m, soft: 1.4 N/m) and 25.5% in lateral direction (stiff: 1 N/m, soft: 0.8 N/m), respectively. A fabrication process of rigidity gradient composite layered micro-device was developed to minimize the topographical effect that may alter the patterns of cell attachment and migration. We cultured NIH 3T3 cells on the proposed flexible substrate coated with an extracellular matrix (ECM), and demonstrated that the cells were strongly affected by the mechanical rigidity of surface. The designed device can be used to facilitate our understanding of mechanotransduction in cells under a given environment.","PeriodicalId":262591,"journal":{"name":"2009 IEEE Sensors","volume":"67 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":"124356801","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
A 3D profile simulator for inclined/multi-directional UV lithography process of negative-tone thick photoresists 斜面/多向UV光刻负色调厚光刻胶三维轮廓模拟器
2009 IEEE Sensors Pub Date : 2009-10-01 DOI: 10.1109/ICSENS.2009.5398530
Zhen Zhu, Qing‐An Huang, Wei-Hua Li, Zaifa Zhou
{"title":"A 3D profile simulator for inclined/multi-directional UV lithography process of negative-tone thick photoresists","authors":"Zhen Zhu, Qing‐An Huang, Wei-Hua Li, Zaifa Zhou","doi":"10.1109/ICSENS.2009.5398530","DOIUrl":"https://doi.org/10.1109/ICSENS.2009.5398530","url":null,"abstract":"A three-dimensional (3D) profile simulator that integrates aerial image module, exposure module, post-exposure bake (PEB) module and development module is presented in this paper for the inclined/multi-directional ultraviolet (UV) lithography of negative thick photoresist such as SU-8. Based on the scalar diffraction theory, the improved paraxial approximation and Fresnel approximation solutions are developed to simulate the inclined UV light intensity distribution into photoresist with the refraction, the absorption of SU-8 and the reflection at substrate surface incorporated effectively. A 3D dynamic cellular automate method for photoresist etching simulation is improved to calculate the final development patterns efficiently and accurately. The 3D profiles of oblique developed photoresist with or without reflection-induced structures as well as multi-directional-exposure structures are successfully predicted by this simulator, which demonstrate good agreement with the experimental results.","PeriodicalId":262591,"journal":{"name":"2009 IEEE Sensors","volume":"77 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":"126492764","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
A resonant CMUT sensor for fluid applications 用于流体应用的谐振式CMUT传感器
2009 IEEE Sensors Pub Date : 2009-10-01 DOI: 10.1109/ICSENS.2009.5398234
M. Thranhardt, P. Eccardt, H. Mooshofer, P. Hauptmann, L. Degertekin
{"title":"A resonant CMUT sensor for fluid applications","authors":"M. Thranhardt, P. Eccardt, H. Mooshofer, P. Hauptmann, L. Degertekin","doi":"10.1109/ICSENS.2009.5398234","DOIUrl":"https://doi.org/10.1109/ICSENS.2009.5398234","url":null,"abstract":"Fluid waves at the interface of CMUTs (capacitive micromachined ultrasound transducers) to the surrounding fluid are an often discussed and unwanted effect for medical imaging applications, as they cause ringing artifacts. A new approach for a surface wave sensor is presented which uses these dispersive surface waves for sensing fluid properties like mass density and viscosity. After a short introduction to the theory and our FEM model we will present first results showing the sensitivity of the sensor to the viscosity of different silicone oil samples and will discuss the results.","PeriodicalId":262591,"journal":{"name":"2009 IEEE Sensors","volume":"98 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":"122000904","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
Keynote speech:Smart configurable wireless sensors and actuators for industrial monitoring and control 主题演讲:用于工业监控的智能可配置无线传感器和执行器
2009 IEEE Sensors Pub Date : 2009-10-01 DOI: 10.1109/ICSENS.2009.5398514
A. M. Madni
{"title":"Keynote speech:Smart configurable wireless sensors and actuators for industrial monitoring and control","authors":"A. M. Madni","doi":"10.1109/ICSENS.2009.5398514","DOIUrl":"https://doi.org/10.1109/ICSENS.2009.5398514","url":null,"abstract":"Intelligent wireless sensor-based controls have drawn industry attention on account of reduced costs, better power management, ease in maintenance, and effortless deployment in remote and hard-to-reach areas. They have been successfully deployed in many industrial applications such as Maintenance, monitoring, control, security, etc. This presentation focuses on research that addresses the issues faced by instrumentation systems and predictive maintenance industrial applications and presents a design solution to cater to the issues faced by these applications. Instrumentation systems are either open or closed loop control systems formed using sensors and actuators with the objective of controlling certain parameters, or state of the system. The system elements are always in communication with each other, typically, requiring real-time performance and built-in fault-tolerance for communication/node failure - to return to a safe-state in a deterministic amount of time. Predictive-maintenance involves tracking physical state of equipment or machine, and to take action, if an acceptable or allowed state(s) is violated.","PeriodicalId":262591,"journal":{"name":"2009 IEEE Sensors","volume":"30 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":"127947980","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
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