Suyong Shin, Chong-Woo Park, Jong-Young Kim, H. Hong, Ju-Pyung Lee
{"title":"Adaptive Step Length Estimation Algorithm Using Low-Cost MEMS Inertial Sensors","authors":"Suyong Shin, Chong-Woo Park, Jong-Young Kim, H. Hong, Ju-Pyung Lee","doi":"10.1109/SAS.2007.374406","DOIUrl":"https://doi.org/10.1109/SAS.2007.374406","url":null,"abstract":"In this paper we introduce a MEMS based pedestrian navigation system (PNS) which consists of the low cost MEMS inertial sensor. An adaptive step length estimation algorithm using the awareness of the walk or run status is presented. Future u-Health monitoring systems will be essential equipment for mobile users under the ubiquitous computing environment. It is well known that the cost of energy expenditure in human walk or run changes with the speed of movement. Also the accurate walking distance is an important factor in calculating energy expenditure in human daily life. In order to compute the walking distance precisely, the number of occurred steps has to be counted exactly and the step length should be exactly estimated as well. However the step length varies considerably with the movement's speed and status. Therefore, we recognize the movement status such as walk or run of a pedestrian using the small-sized MEMS inertial sensors. Based on the result, a step length is estimated adaptively. The developed method can be applied to PNS and health monitoring mobile system.","PeriodicalId":137779,"journal":{"name":"2007 IEEE Sensors Applications Symposium","volume":"7 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2007-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121149049","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}
O. Tousignant, Yves Demers, Luc Laperriere, Sorin Marcovici
{"title":"A-Se Flat Panel Detectors for Medical Applications","authors":"O. Tousignant, Yves Demers, Luc Laperriere, Sorin Marcovici","doi":"10.1109/SAS.2007.374373","DOIUrl":"https://doi.org/10.1109/SAS.2007.374373","url":null,"abstract":"Flat panel detector (FPD) technology for X-ray detection and imaging advanced rapidly in the last decade fueled by continuous improvements in large area, amorphous silicon (a-Si) thin film transistors (TFT) arrays and innovations in deposition techniques for scintillators and photoconductors. Amorphous selenium (a-Se) is a direct X-ray to charge converter material whose properties as photoconductor as well as semiconductor make it suitable for both static and dynamic imaging. In this paper we will present a series of a-Se based X-ray detectors, will characterize their defining parameters and will describe the most recent advances in materials and low noise application specific integrated circuits (ASIC) conducive to their superior performance in real-time imaging applications.","PeriodicalId":137779,"journal":{"name":"2007 IEEE Sensors Applications Symposium","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2007-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114804816","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}
{"title":"Power Management in Operating Systems for Wireless Sensor Nodes","authors":"M. Healy, T. Newe, E. Lewis","doi":"10.1109/SAS.2007.374366","DOIUrl":"https://doi.org/10.1109/SAS.2007.374366","url":null,"abstract":"Technological advancements in recent years have enabled the development of tiny, cheap, disposable, and self contained battery powered computers, known as sensor nodes or \"motes\", that can accept input from an attached sensor, process this input and transmit the results wirelessly to some interested device(s). When a number of these nodes work together, conceivably up to hundreds of thousands, a wireless sensor network (WSN) is formed. Creating an application to run on a WSN is a not an easy task, with many issues, including power conservation, wireless communication, very limited RAM, etc., needing to be addressed. Over the last five years or so a number of operating systems have been developed to aid developers. For many applications of wireless sensor networks the required lifetime of the sensor nodes may be weeks, months or even years and battery recharging or replacement is unlikely to be feasible, especially in large scale deployments with thousands of widely dispersed nodes, or for nodes placed in hazardous environments. For this reason the power management features are a very important consideration when choosing an operating system for a particular application. We review the current state of operating systems for sensor nodes and compare their power consumption on a popular hardware platform while performing common tasks, e.g. transmitting data, processing data, etc.","PeriodicalId":137779,"journal":{"name":"2007 IEEE Sensors Applications Symposium","volume":"462 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2007-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125814966","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}
Jianping Li, Sufen Wang, Jyad M Ayoub, Catherine F Yang
{"title":"A TiO2-Sol-Gel Derived Prussian Blue Nanoparticles-Based Glucose Biosensor","authors":"Jianping Li, Sufen Wang, Jyad M Ayoub, Catherine F Yang","doi":"10.1109/SAS.2007.374361","DOIUrl":"https://doi.org/10.1109/SAS.2007.374361","url":null,"abstract":"A highly sensitive and selective glucose biosensor was designed by immobilizing glucose oxidase (GOD) on a Prussian blue nanoparticles (nanoPBs) modified glassy carbon electrode using a novel titanic dioxide Solution-Gelation (TiO2-Sol-Gel) technique. Glucose measurement was based on the level of hydrogen peroxide (H2O2) produced concomitantly with the reaction of glucose and oxygen mediated by GOD. NanoPBs catalyze this reaction efficiently by reducing the reaction potential and improving GOD activity. The biosensor showed voltaic response to H2O2 in a linear range of 5.0 times 10-7 to 4.0 times 10-4 mol/L and amperometric response to glucose in a linear range of 1.0 times 10-4 to 2.4 times 10-2 mmol/L with fine reproducibility (relative standard deviation varied from 3.6% to 4.2%). This nanoPBs-based biosensor also exhibits high recovery (97% ~ 101.5%) for measuring blood glucose levels and the developed method is applicable for large-scaled manufacturing of disposable biosensors.","PeriodicalId":137779,"journal":{"name":"2007 IEEE Sensors Applications Symposium","volume":"26 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2007-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131363482","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}
{"title":"Fluxgate-Type Magnetic Microsensors for Wide Linear Measuring Range","authors":"O. Zorlu, P. Kejik, Radivoje Popovic","doi":"10.1109/SAS.2007.374392","DOIUrl":"https://doi.org/10.1109/SAS.2007.374392","url":null,"abstract":"In this paper, we present a microfabricated fluxgate sensor for wide linear measuring range applications. The sensor consists of an electroplated copper excitation rod surrounded by an electroplated Permalloy core layer, and has planar pick-up coils for signal detection. Fabricated sensors are tested in orthogonal and parallel operation modes. The effects of operation modes and excitation conditions are compared. A linear operating range of plusmn900 muT is proved in the orthogonal mode, whereas the same sensor has much lower linear range in the parallel mode. The use of the sensor in a contactless current measurement application is also presented.","PeriodicalId":137779,"journal":{"name":"2007 IEEE Sensors Applications Symposium","volume":"64 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2007-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127024689","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}
Z. Ying, R. Naidu, K. Guilbert, D. Schafer, C. Crawford
{"title":"Dual Energy Volumetric X-ray Tomographic Sensor for Luggage Screening","authors":"Z. Ying, R. Naidu, K. Guilbert, D. Schafer, C. Crawford","doi":"10.1109/SAS.2007.374371","DOIUrl":"https://doi.org/10.1109/SAS.2007.374371","url":null,"abstract":"Various imaging sensors have been used for luggage screening for explosive detection. Recent developments in dual energy X-ray volumetric computed tomography (CT) have demonstrated its advantages over other imaging sensors for luggage screening. These advantages include higher performance in automatic explosive detection, effectiveness for weapon detection, superior visualization capabilities, and automatic visual cueing for on-screen threat resolution. In this paper, we describe the performance of one such X-ray sensor using our transportation security administration (TSA) certified dual energy volumetric CT for explosive detection.","PeriodicalId":137779,"journal":{"name":"2007 IEEE Sensors Applications Symposium","volume":"298 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2007-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116423939","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}
D. Gurkan, Xiaojing Yuan, D. Benhaddou, F. Figueroa, J. Morris
{"title":"Sensor Networking Testbed with IEEE 1451 Compatibility and Network Performance Monitoring","authors":"D. Gurkan, Xiaojing Yuan, D. Benhaddou, F. Figueroa, J. Morris","doi":"10.1109/SAS.2007.374411","DOIUrl":"https://doi.org/10.1109/SAS.2007.374411","url":null,"abstract":"Design and implementation of a testbed for testing and verifying IEEE 1451-compatible sensor systems with network performance monitoring is of significant importance. The performance parameters measurement as well as decision support systems implementation will enhance the understanding of sensor systems with plug-and-play capabilities. The paper will present the design aspects for such a testbed environment under development at University of Houston in collaboration with NASA Stennis Space Center - SSST (smart sensor system testbed).","PeriodicalId":137779,"journal":{"name":"2007 IEEE Sensors Applications Symposium","volume":"23 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2007-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114705997","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}
K. Arshak, C. Adley, E. Moore, C. Cunniffe, M. Campion, I. Menvielle
{"title":"Detection of Ralstonia Pickettii Bacteria in M9 Medium using Polymer Nanocomposite Sensors","authors":"K. Arshak, C. Adley, E. Moore, C. Cunniffe, M. Campion, I. Menvielle","doi":"10.1109/SAS.2007.374360","DOIUrl":"https://doi.org/10.1109/SAS.2007.374360","url":null,"abstract":"Detection of bacteria such as Ralstonia pickettii in high purity water (HPW) has gained increasing interest for researchers. Contamination problems in HPW in both pharmaceutical and semiconductor applications can lead to a reduction in performance and inefficiency in production chains leading to huge expense. Real time detection of these bacteria in HPW prior to use can allow corrective action to be taken sooner, by reallocating the water for repurification or utilization elsewhere thereby reducing industrial costs The aim of this study was to evaluate the responses of polymer nanocomposite sensors to increasing concentrations of Ralstonia pickettii bacteria. M9 minimal growth medium was used to grow the bacteria and three different concentrations were prepared by taking samples after 2 hours, 4 hours and 6 hours of growth. The sensors showed large sensitivity to each concentration of bacteria and produced a decrease in response over the growth cycle of the bacteria. These sensors demonstrated the ability to detect early stage actively growing cells in real time, which is of large benefit to HPW applications. This work has shown that these sensors can be used to detect both lag phase and late exponential and stationary phase growing cells in a minimal nutrient environment.","PeriodicalId":137779,"journal":{"name":"2007 IEEE Sensors Applications Symposium","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2007-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130290237","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}
{"title":"A Sensor Network for Buildings Based on the DALI Bus","authors":"Dali Bus, Yuan Ma","doi":"10.1109/SAS.2007.374376","DOIUrl":"https://doi.org/10.1109/SAS.2007.374376","url":null,"abstract":"This paper discusses a method of expanding the standard DALI lighting network into a general purpose sensor network. The DALI (digital addressable lighting interface) was originally intended for communication between a controller and building lighting devices. It is a two-wire bus which allows control of individual lights on the network. A redesigned DALI controller supports both standard DALI devices and environmental sensors on the same bus, thus providing the economy of using a single bus for building lighting, HVAC and environmental monitoring and control. An IEEE 1451 TEDS and method of interfacing with the more general IEEE 1451.0 protocol is provided.","PeriodicalId":137779,"journal":{"name":"2007 IEEE Sensors Applications Symposium","volume":"35 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2007-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123488826","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}
{"title":"Extension of IEEE 1451 Standard to Quasi-Digital Sensors","authors":"S. Yurish","doi":"10.1109/SAS.2007.374377","DOIUrl":"https://doi.org/10.1109/SAS.2007.374377","url":null,"abstract":"The objective of this paper is to examine the IEEE 1451 standard family in order to add smart, plug-and-play and self-adaptation capabilities to systems based on different quasi-digital sensors. It was shown that due to the use of one universal component - the universal frequency-to-digital converter UFDC-1, UFDC-2 or Universal Sensors and Transducers Interface chip any quasi-digital sensor can be transformed into a smart transducer compatible to the IEEE 1451 standard. This gives strong benefits to both: customer and manufacturers, by increasing the level of adoption of the IEEE 1451 family of standards in industry and smart sensors market up to 15-20%.","PeriodicalId":137779,"journal":{"name":"2007 IEEE Sensors Applications Symposium","volume":"12 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2007-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114324609","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}