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2013 Fourth Argentine Symposium and Conference on Embedded Systems (SASE/CASE)最新文献

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Portable wireless device for biopotential recording 便携式无线生物电位记录装置
2013 Fourth Argentine Symposium and Conference on Embedded Systems (SASE/CASE) Pub Date : 2013-10-21 DOI: 10.1109/SASE-CASE.2013.6636775
Eduardo Filomena, J. Aldonate
{"title":"Portable wireless device for biopotential recording","authors":"Eduardo Filomena, J. Aldonate","doi":"10.1109/SASE-CASE.2013.6636775","DOIUrl":"https://doi.org/10.1109/SASE-CASE.2013.6636775","url":null,"abstract":"The present work describes the design, development and start-up of a portable wireless device for biopotential acquisition, the main strength of which is its versatility: full programmability of sampling frequency, bandwidth, gain, number of channels and topological setting. This enables the recording of different types of biopotentials such as electrocardiograms, electroencephalograms, electromyograms and electrooculograms, by simply changing its setting, without the need to modify any component of the interface.","PeriodicalId":233914,"journal":{"name":"2013 Fourth Argentine Symposium and Conference on Embedded Systems (SASE/CASE)","volume":"7 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-10-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130566929","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
Hybrid method uses RSS and AoA to establish a low-cost localization system 混合方法利用RSS和AoA建立低成本的定位系统
2013 Fourth Argentine Symposium and Conference on Embedded Systems (SASE/CASE) Pub Date : 2013-10-21 DOI: 10.1109/SASE-CASE.2013.6636770
Bruno de S. Muswieck, J. Russi, M. Heckler
{"title":"Hybrid method uses RSS and AoA to establish a low-cost localization system","authors":"Bruno de S. Muswieck, J. Russi, M. Heckler","doi":"10.1109/SASE-CASE.2013.6636770","DOIUrl":"https://doi.org/10.1109/SASE-CASE.2013.6636770","url":null,"abstract":"The present paper proposes a method to implement a low-cost Localization System (LS) in a wireless sensor network (WSN) in open field. This method is based on RSS to obtain distance and angle values. Also this values are used to compute the position of the desired object, proposing the Localization by one Point (LboP) method. Although RSS values suffer alterations from different sources, in this paper several tests are performed in order to determine them and establish the limits. A prototype was developed enabling to run the necessary field tests. Preliminary results shows that is possible to measure distance and angle based on RSS values, but some concern must be taken to enable the system operation with a reliable performance.","PeriodicalId":233914,"journal":{"name":"2013 Fourth Argentine Symposium and Conference on Embedded Systems (SASE/CASE)","volume":"31 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-10-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130312279","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: 12
Indoor navigation using WiFi signals 使用WiFi信号的室内导航
2013 Fourth Argentine Symposium and Conference on Embedded Systems (SASE/CASE) Pub Date : 2013-10-21 DOI: 10.1109/SASE-CASE.2013.6636772
David Ivan Vilaseca, J. Giribet
{"title":"Indoor navigation using WiFi signals","authors":"David Ivan Vilaseca, J. Giribet","doi":"10.1109/SASE-CASE.2013.6636772","DOIUrl":"https://doi.org/10.1109/SASE-CASE.2013.6636772","url":null,"abstract":"Every day we use location-dependant services, but there is still a lack of information in terms of a popular indoor location system. In this paper we show methods and some advantages of using already installed infraestructure such as WiFi Access Points to get navigation information. For these purpose an indoor navigation system was implemented using both inertial sensors and WiFi signal strength information. The whole system architectute, both hardware and software, is designed with a modular aproach in order to make easy the test and benchmark of different algotithms and data fusion techniques. Basic algorithms have been implemented to validate the whole system using simulated data through a software-in-the-loop setup.","PeriodicalId":233914,"journal":{"name":"2013 Fourth Argentine Symposium and Conference on Embedded Systems (SASE/CASE)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-10-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128232813","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: 19
Proximate time optimal control of an XY positioning table XY定位工作台的近似时间最优控制
2013 Fourth Argentine Symposium and Conference on Embedded Systems (SASE/CASE) Pub Date : 2013-10-21 DOI: 10.1109/SASE-CASE.2013.6636773
L. P. Lisboa, Henrique Lasevich, N. B. Neto, A. Salton, J. Flores
{"title":"Proximate time optimal control of an XY positioning table","authors":"L. P. Lisboa, Henrique Lasevich, N. B. Neto, A. Salton, J. Flores","doi":"10.1109/SASE-CASE.2013.6636773","DOIUrl":"https://doi.org/10.1109/SASE-CASE.2013.6636773","url":null,"abstract":"This paper focuses on the development of a time optimal control method for two-dimensional rigid body systems. Our approach is based on the traditional Proximate Time-Optimal Servomechanism (PTOS), which starts with a near-time-optimal controller and then switches to a linear controller at the time when the system output is close to a given target. This paper proposes to expand the PTOS, a unidirectional control law to a two-dimensional system, in order to perform linear point-to-point trajectories.","PeriodicalId":233914,"journal":{"name":"2013 Fourth Argentine Symposium and Conference on Embedded Systems (SASE/CASE)","volume":"52 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-10-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130711437","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
Characterization of LQI behavior in WSN for glacier area in Patagonia Argentina 阿根廷巴塔哥尼亚冰川地区WSN LQI行为表征
2013 Fourth Argentine Symposium and Conference on Embedded Systems (SASE/CASE) Pub Date : 2013-10-21 DOI: 10.1109/SASE-CASE.2013.6636777
A. Diedrichs, M. Robles, F. Bromberg, G. Mercado, Diego Dujovne
{"title":"Characterization of LQI behavior in WSN for glacier area in Patagonia Argentina","authors":"A. Diedrichs, M. Robles, F. Bromberg, G. Mercado, Diego Dujovne","doi":"10.1109/SASE-CASE.2013.6636777","DOIUrl":"https://doi.org/10.1109/SASE-CASE.2013.6636777","url":null,"abstract":"One of the most important aspects before installing a Wireless Sensor Network (WSN) is a previous study of connectivity constraints that exist in the area to be covered. This study is critical to the final distribution of the sensors, with an important impact in the life of the network by reducing consumption, and on the robustness by contemplating redundancy of paths and sensors. In this paper, we present a summary of the most important aspects of a preliminary empirical study of the Link Quality Indicator (LQI), on different landscapes in the glaciers area of Patagonia Argentina. The landscapes covered varied in geographical structures with different levels of attenuation and extreme environmental conditions. Through the analysis of the Cumulative Distribution Function (CDF) of the measured LQI values, we can characterize the behavior of four different scenarios and correlate the combined effects of the environmental structure with the distance from the transmitter. The measurements performed were designed for characterizing the links at the physical layer with the purpose of defining models to estimate the Packet Error Rate (PER) for the WSN deployment stage.","PeriodicalId":233914,"journal":{"name":"2013 Fourth Argentine Symposium and Conference on Embedded Systems (SASE/CASE)","volume":"21 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-10-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114553951","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
Wireless biopotential signals acquisition system 无线生物电位信号采集系统
2013 Fourth Argentine Symposium and Conference on Embedded Systems (SASE/CASE) Pub Date : 2013-10-21 DOI: 10.1109/SASE-CASE.2013.6636771
E. Cilleruelo, Andres Nacelle, G. Robert, J. Oreggioni, F. Silveira, A. Caputi
{"title":"Wireless biopotential signals acquisition system","authors":"E. Cilleruelo, Andres Nacelle, G. Robert, J. Oreggioni, F. Silveira, A. Caputi","doi":"10.1109/SASE-CASE.2013.6636771","DOIUrl":"https://doi.org/10.1109/SASE-CASE.2013.6636771","url":null,"abstract":"In this paper, we present a low power wireless system based on a MSP430 based system-on-chip for biopotential signals acquisition. The system is capable of recording up to 12 ksps from up to 4 channels with independent gain and a 1 Hz to 5 kHz bandwidth. The gain for each channel may vary from 2.5 kV/V to 68 kV/V, being able to adapt signals in a range of 20 μV to 1 mV, to be digitalized in a 12 bits ADC. The system consists of 2 modules, which communicate wirelessly with each other via a 915 MHz link, with Minimum-shift keying (MSK) modulation. The communication reaches 358 kbps of transmission rate, with less than 2% of packets lost without retransmissions, within a 5 meters range. One of the modules is wired to a PC via a USB cable, reaching 921.6 kbps of transmission rate through UART protocol. The wired module is powered through the USB port, whereas the wireless module is powered with 2 AAA batteries, lasting for more than 24 hours of operation. A Matlab toolbox was developed in order to facilitate the data storage, system configuration as well as collected data analysis.","PeriodicalId":233914,"journal":{"name":"2013 Fourth Argentine Symposium and Conference on Embedded Systems (SASE/CASE)","volume":"191 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-10-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121187243","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
Hardware implementation of maximum Lyapunov exponent 最大李雅普诺夫指数的硬件实现
2013 Fourth Argentine Symposium and Conference on Embedded Systems (SASE/CASE) Pub Date : 2013-10-21 DOI: 10.1109/SASE-CASE.2013.6636776
L. De Micco, M. Antonelli, C. Gonzalez, H. Larrondo
{"title":"Hardware implementation of maximum Lyapunov exponent","authors":"L. De Micco, M. Antonelli, C. Gonzalez, H. Larrondo","doi":"10.1109/SASE-CASE.2013.6636776","DOIUrl":"https://doi.org/10.1109/SASE-CASE.2013.6636776","url":null,"abstract":"In this paper a hardware implementation of a Maximum Lyapunov Exponent (MLE) quantifier is designed and implemented using a field programmable gate array (FPGA). The design was optimized in terms of accuracy employing floating point architecture to represent the values. The proposed design takes advantage of the underline parallelism of the MLE computation equations and allows its concurrent implementation based on FPGA technology.","PeriodicalId":233914,"journal":{"name":"2013 Fourth Argentine Symposium and Conference on Embedded Systems (SASE/CASE)","volume":"29 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-10-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133142925","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
Design of an extensible, portable and POSIX compliant protocol 设计一个可扩展、可移植和POSIX兼容的协议
2013 Fourth Argentine Symposium and Conference on Embedded Systems (SASE/CASE) Pub Date : 2013-10-21 DOI: 10.1109/SASE-CASE.2013.6636774
Agustin Alba Chicar, J. Ezequiel Esposito, A. Lutenberg
{"title":"Design of an extensible, portable and POSIX compliant protocol","authors":"Agustin Alba Chicar, J. Ezequiel Esposito, A. Lutenberg","doi":"10.1109/SASE-CASE.2013.6636774","DOIUrl":"https://doi.org/10.1109/SASE-CASE.2013.6636774","url":null,"abstract":"The aim of this article is to introduce a protocol for embedded systems that delivers data between two nodes independently of the characteristics of the link. The development is platform independent and virtually portable to any communication standard. To demonstrate the performance of our protocol it was implemented in an ARM Cortex M3 LPC1769 microcontroller of NXP using first an UART serial protocol and then TCP/IP sockets. The protocol was implemented using object oriented techniques, POSIX standards and several abstraction layers.","PeriodicalId":233914,"journal":{"name":"2013 Fourth Argentine Symposium and Conference on Embedded Systems (SASE/CASE)","volume":"17 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-10-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131269639","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
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