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A system for the dynamic response characterization of turbomachinery tip clearance measurement instruments based on capacitive probes 基于电容式探头的涡轮机械叶尖间隙测量系统动态响应特性研究
2015 IEEE Sensors Applications Symposium (SAS) Pub Date : 2015-04-13 DOI: 10.1109/SAS.2015.7133597
T. Addabbo, A. Fort, M. Mugnaini, V. Vignoli, S. Cioncolini, M. Marrazzo
{"title":"A system for the dynamic response characterization of turbomachinery tip clearance measurement instruments based on capacitive probes","authors":"T. Addabbo, A. Fort, M. Mugnaini, V. Vignoli, S. Cioncolini, M. Marrazzo","doi":"10.1109/SAS.2015.7133597","DOIUrl":"https://doi.org/10.1109/SAS.2015.7133597","url":null,"abstract":"This paper deals with the development of a system aimed at the characterization of turbomachinery tip clearance measurement instruments based on frequency modulated (FM) capacitance probes. The proposed system is able to accurately measure the dynamic response of the systems under testavoiding any mechanical moving part, ensuring in this way a faster, more accurate and versatile characterization procedure. The work introduces the characterization by means of a simple model of tip clearance measurement systems, which allows to obtain a straightforward relationship between the bandwidth and the clearance measurement accuracy. The experimental setup of the proposed system is described, and some data related to two different clearance measurement systems are shown.","PeriodicalId":384041,"journal":{"name":"2015 IEEE Sensors Applications Symposium (SAS)","volume":"107 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-04-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124051296","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
Sensor fusion for intrusion detection under false alarm constraints 虚警约束下的传感器融合入侵检测
2015 IEEE Sensors Applications Symposium (SAS) Pub Date : 2015-04-13 DOI: 10.1109/SAS.2015.7133634
Matthew Pugh, J. Brewer, Jacques Kvam
{"title":"Sensor fusion for intrusion detection under false alarm constraints","authors":"Matthew Pugh, J. Brewer, Jacques Kvam","doi":"10.1109/SAS.2015.7133634","DOIUrl":"https://doi.org/10.1109/SAS.2015.7133634","url":null,"abstract":"Sensor fusion algorithms allow the combination of many heterogeneous data types to make sophisticated decisions. In many situations, these algorithms give increased performance such as better detectability and/or reduced false alarm rates. To achieve these benefits, typically some system or signal model is given. This work focuses on the situation where the event signal is unknown and a false alarm criterion must be met. Specifically, the case where data from multiple passive infrared (PIR) sensors are processed to detect intrusion into a room while satisfying a false alarm constraint is analyzed. The central challenge is the space of intrusion signals is unknown and we want to quantify analytically the probability of false alarm. It is shown that this quantification is possible by estimating the background noise statistics and computing the Mahalanobis distance in the frequency domain. Using the Mahalanobis distance as the decision metric, a threshold is computed to satisfy the false alarm constraint.","PeriodicalId":384041,"journal":{"name":"2015 IEEE Sensors Applications Symposium (SAS)","volume":"8 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-04-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"113957587","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
Towards a sensor system to tame the human elephant conflict 朝着一个传感器系统去驯服人象的冲突
2015 IEEE Sensors Applications Symposium (SAS) Pub Date : 2015-04-13 DOI: 10.1109/SAS.2015.7133595
Charitha Elvitigala, Eranda Tennakoon, Ayyoob Hamza, Yasith Lokuge, K. Zoysa, C. Keppitiyagama, V. Iyer, Kasun Hewage, T. Voigt
{"title":"Towards a sensor system to tame the human elephant conflict","authors":"Charitha Elvitigala, Eranda Tennakoon, Ayyoob Hamza, Yasith Lokuge, K. Zoysa, C. Keppitiyagama, V. Iyer, Kasun Hewage, T. Voigt","doi":"10.1109/SAS.2015.7133595","DOIUrl":"https://doi.org/10.1109/SAS.2015.7133595","url":null,"abstract":"The human elephant conflict in Sri Lanka has been a cause of major concern over the past decade. Frequent clashes between wild elephants and villagers have resulted in severe damage to property, as well as loss of lives for both humans and elephants. Competition for space is the primary reason for conflict between humans and elephants. Elephants that escape from the wildlife national parks venture into villages creating destruction in their wake. To prevent such mishaps, a proper system is required to contain and monitor elephants in national parks. In this paper, we describe different approaches to detect elephants and possible ways of monitoring the national wildlife parks. We also elaborate on the advantages and limitations of each approach, and determine what sort of system is needed to tame the human elephant conflict.","PeriodicalId":384041,"journal":{"name":"2015 IEEE Sensors Applications Symposium (SAS)","volume":"21 1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-04-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123098925","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
Smart meters as part of a sensor network for monitoring the low voltage grid 智能电表作为传感器网络的一部分，用于监测低压电网
2015 IEEE Sensors Applications Symposium (SAS) Pub Date : 2015-04-13 DOI: 10.1109/SAS.2015.7133616
A. Dede, D. D. Giustina, S. Rinaldi, P. Ferrari, A. Flammini, A. Vezzoli
{"title":"Smart meters as part of a sensor network for monitoring the low voltage grid","authors":"A. Dede, D. D. Giustina, S. Rinaldi, P. Ferrari, A. Flammini, A. Vezzoli","doi":"10.1109/SAS.2015.7133616","DOIUrl":"https://doi.org/10.1109/SAS.2015.7133616","url":null,"abstract":"Traditional low voltage grids are equipped with meters for the accounting of the energy consumed by customers. Recently, the use of electronic meters offers the possibility of the remote reading. This paper deals with smart sensing: a second-generation Smart Meters replacing traditional metering device, and the first generation of electronic meters, in order to extract a richer and near real-time information. This information in then transferred on a fast communication network where is needed. In other words, the Smart Meters deployed over the distribution grid create a Sensor Network used for grid control and management. The intelligent unit employed in the proposed system is able to communicate using standard metering protocols like DLMS/COSEM, allowing high-level integration with systems that use this information for both billing and customer relationship management - as is today with Automatic Meter Management systems - and for the technical management of the LV power infrastructure like Distribution Management Systems. The paper presents a pilot installation in a real grid of the smart sensor network composed about 50 new-generation Smart Meters using fast - broad-band - communication. The network of Smart Meters has been used to monitor, during a measurement campaign of two months, the Power Quality of a part of the distribution grid. During the campaign, the grid voltage is below the 5 % of the nominal value only for the 3 % of the time, despite the large presence of distributed renewable resources.","PeriodicalId":384041,"journal":{"name":"2015 IEEE Sensors Applications Symposium (SAS)","volume":"149 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-04-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115670722","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: 28
Portable FBG based optical sensor array 基于光纤光栅的便携式光学传感器阵列
2015 IEEE Sensors Applications Symposium (SAS) Pub Date : 2015-04-13 DOI: 10.1109/SAS.2015.7133657
Ivan Drazic-Segrt, Ana Krnjak, M. Sprem, M. Bosiljevac, Z. Šipuš
{"title":"Portable FBG based optical sensor array","authors":"Ivan Drazic-Segrt, Ana Krnjak, M. Sprem, M. Bosiljevac, Z. Šipuš","doi":"10.1109/SAS.2015.7133657","DOIUrl":"https://doi.org/10.1109/SAS.2015.7133657","url":null,"abstract":"Fiber Bragg grating (FBG) sensors have become quite common in many applications for monitoring strain, temperature and similar. These systems are usually fixed since the FBG interrogation unit is sensitive to the environment and therefore mounted into the equipment cabinet. However, a portable FBG interrogation unit would be of great benefit in applications where there is no need for continuous monitoring. For this reason here we propose a portable interrogation system based on a temperature stable SLED broadband source, calibrated tunable optical filter and an adaptive peak search algorithm.","PeriodicalId":384041,"journal":{"name":"2015 IEEE Sensors Applications Symposium (SAS)","volume":"37 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-04-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116254408","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
Seismic and gas monitoring of volcanic sites 火山遗址的地震和气体监测
2015 IEEE Sensors Applications Symposium (SAS) Pub Date : 2015-04-13 DOI: 10.1109/SAS.2015.7133618
B. Andò, S. Baglio, C. O. Lombardo, A. Pistorio
{"title":"Seismic and gas monitoring of volcanic sites","authors":"B. Andò, S. Baglio, C. O. Lombardo, A. Pistorio","doi":"10.1109/SAS.2015.7133618","DOIUrl":"https://doi.org/10.1109/SAS.2015.7133618","url":null,"abstract":"Geophysical and geochemical monitoring of volcanic areas have a notable impact for the assessment of the geological instability and for safety of the populations. Nowadays the low cost Micro Electro-Mechanical Systems (MEMS) devices and Wireless Sensor Networks (WSNs) could represent a good way to perform a real-time monitoring task. In this paper a customized wireless multi-sensor architecture is presented, suitable for the implementation of a distributed monitoring system of geophysical and geochemical quantities within volcanic areas. The idea behind the proposed solution is the use of a “Smart Dust” approach, consisting in the spread of low cost devices over the while inspected area. In particular, the sensor node proposed is equipped with two Commercial Off-the-Shelf (COTS) devices, a triaxial accelerometer and a CO2 sensor, and a novel low cost inkjet printed CO2 sensor. A microcontroller platform and a ZigBee communication tool have been adopted to allow a context-adaptive architecture by selecting different operating modes.","PeriodicalId":384041,"journal":{"name":"2015 IEEE Sensors Applications Symposium (SAS)","volume":"154 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-04-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122152263","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
A Kinect-based system to enable interaction by pointing in smart spaces 一个基于kinect的系统，可以通过指向智能空间进行交互
2015 IEEE Sensors Applications Symposium (SAS) Pub Date : 2015-04-13 DOI: 10.1109/SAS.2015.7133613
A. Fernandez, L. Bergesio, A. Bernardos, J. Besada, J. Casar
{"title":"A Kinect-based system to enable interaction by pointing in smart spaces","authors":"A. Fernandez, L. Bergesio, A. Bernardos, J. Besada, J. Casar","doi":"10.1109/SAS.2015.7133613","DOIUrl":"https://doi.org/10.1109/SAS.2015.7133613","url":null,"abstract":"Pointing is a universal gesture that naturally expresses interest or attraction towards the pointed items. If some `magic' is added, the gesture may also make these items perform actions. In this paper, we describe a system that enables to interact by pointing with digital or physical controllable resources distributed in a smart space. The system facilitates building an interactive room using COTS devices, in particular a pair of Kinect sensors. The pointing direction is inferred from the user's elbow-wrist vector, which together with a secondary elbow-object vector serves to filter the controllable objects in the area of pointing. Experiments with 8 users in a real setting demonstrate the feasibility of the concept and show that the accuracy of the system is very dependent on the relative position user-resource and on the user behaviour itself.","PeriodicalId":384041,"journal":{"name":"2015 IEEE Sensors Applications Symposium (SAS)","volume":"10 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-04-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128690180","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: 16
Operating frequency selection for low-power magnetic induction-based wireless underground sensor networks 基于低功率磁感应的地下无线传感器网络工作频率选择
2015 IEEE Sensors Applications Symposium (SAS) Pub Date : 2015-04-13 DOI: 10.1109/SAS.2015.7133600
Agnelo R. Silva, M. Moghaddam
{"title":"Operating frequency selection for low-power magnetic induction-based wireless underground sensor networks","authors":"Agnelo R. Silva, M. Moghaddam","doi":"10.1109/SAS.2015.7133600","DOIUrl":"https://doi.org/10.1109/SAS.2015.7133600","url":null,"abstract":"The possibility of employing sensor nodes that wireless communicate under the ground, through concrete, or under-the-debris (disaster scenario) has been recently highlighted at the Wireless Underground Sensor Networks (WUSN) literature. Nonetheless, the best operating frequency for such systems is still an open research aspect. In this work, we address this question for mid-range distances (e.g., 15..30m) by proposing a soil path attenuation model for an underground magnetic induction (MI)-based system involving a pair of nodes. The model is empirically validated and based on simulation results it is possible to conclude that for mid-range MI systems it is strategic to adopt a dynamic frequency selection scheme where audio frequencies are chosen whenever high soil moisture levels are detected.","PeriodicalId":384041,"journal":{"name":"2015 IEEE Sensors Applications Symposium (SAS)","volume":"12 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-04-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"120952396","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: 15
De-icing system with integrated ice detection and temperature sensing for meteorological devices 用于气象设备的融冰探测和温度传感系统
2015 IEEE Sensors Applications Symposium (SAS) Pub Date : 2015-04-13 DOI: 10.1109/SAS.2015.7133572
M. Flatscher, M. Neumayer, T. Bretterklieber, M. Moser, H. Zangl
{"title":"De-icing system with integrated ice detection and temperature sensing for meteorological devices","authors":"M. Flatscher, M. Neumayer, T. Bretterklieber, M. Moser, H. Zangl","doi":"10.1109/SAS.2015.7133572","DOIUrl":"https://doi.org/10.1109/SAS.2015.7133572","url":null,"abstract":"We present a de-icing system indented for application with meteorological sensors in harsh environments. The heating unit is implemented as a double-meander structure on a printed circuit board. The double-meander structure allows for measuring capacitance in the differential mode. The presence of ice (and water) leads to an increase of the capacitance and can thus be detected. Additionally, the temperature of the heating unit can be obtained from the temperature dependent variation of the ohmic resistance of the heating structure. With this information the heating unit can be controlled efficiently as excessive heating or heating in the absence of ice can be avoided.","PeriodicalId":384041,"journal":{"name":"2015 IEEE Sensors Applications Symposium (SAS)","volume":"85 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-04-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127028475","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: 15
Wireless sensor based home automation as an educational springboard 基于无线传感器的家庭自动化教育跳板
2015 IEEE Sensors Applications Symposium (SAS) Pub Date : 2015-04-13 DOI: 10.1109/SAS.2015.7133610
Scott Newberry, G. S. Gupta
{"title":"Wireless sensor based home automation as an educational springboard","authors":"Scott Newberry, G. S. Gupta","doi":"10.1109/SAS.2015.7133610","DOIUrl":"https://doi.org/10.1109/SAS.2015.7133610","url":null,"abstract":"This paper details the design and development of a system that is intended to be used as a tool to educate and excite young school leaver to pursue engineering education, especially in the field of sensors and sensor applications. The system is essentially a home automation platform that allows users to interact with a network of sensors and actuators. The system consists of four hardware components; the computer/webserver that controls the network of sensors and actuators, the device the user will use to access the web server, the sensors/actuators of the system, and the microcontroller that bridges the web server and the sensor/actuator network. The end user of this system will be expected to assemble various components of the system together and in doing so, will gain an exposure to the engineering field. This exposure will increase the awareness of what engineering entails and hopes to prompt future students to take up engineering as a field of study. The system, while being a platform for exposing engineering, can also be a platform for future projects requiring remote access to an autonomous sensor network with the ability to change the environment around them, such as zoological research projects tracking the endangered birds. Finally, the system, capable of sensing temperature and light, controlling 230V 10A mains appliances and a keyless entry device, could be used simply as a home automation system in its own right by an interested hobbyist.","PeriodicalId":384041,"journal":{"name":"2015 IEEE Sensors Applications Symposium (SAS)","volume":"175 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-04-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125802688","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
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