15th International Conference on Electronics, Communications and Computers (CONIELECOMP'05)最新文献

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Design of a neural network for the classification of patterns into K classes using a linear programming-based method 设计一个神经网络,用线性规划的方法将模式分类为K类
José Luis Martínez Flores, Francisco R. Ángel-Bello Acosta, N. Smith
{"title":"Design of a neural network for the classification of patterns into K classes using a linear programming-based method","authors":"José Luis Martínez Flores, Francisco R. Ángel-Bello Acosta, N. Smith","doi":"10.1109/CONIEL.2005.35","DOIUrl":"https://doi.org/10.1109/CONIEL.2005.35","url":null,"abstract":"When a set of patterns is not linearly separable, the problem of designing and training a neural network for classification using discrete activation functions is NP-complete. For this reason, the main efforts of researchers in this area are aimed at designing efficient algorithms that produce good heuristic solutions. The majority of the reported results propose variations and modifications of the classical algorithm for perceptron training in order to obtain the number of neurons in the hidden layer and the corresponding matrix of weights. The algorithm presented transforms the original set of training patterns into a linearly separable set. When the procedure for verifying linear separability is applied, the weights corresponding to the output layer are obtained. As the end result of the proposed algorithm, a trained neural network is obtained that correctly classifies the set of patterns into K classes.","PeriodicalId":367791,"journal":{"name":"15th International Conference on Electronics, Communications and Computers (CONIELECOMP'05)","volume":"56 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2005-02-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122567667","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
Design and use of the CPAN branch and bound for the solution of the travelling salesman problem (TSP) 求解旅行商问题(TSP)的CPAN分界的设计与使用
M. Capel, Mario Rossainz López
{"title":"Design and use of the CPAN branch and bound for the solution of the travelling salesman problem (TSP)","authors":"M. Capel, Mario Rossainz López","doi":"10.1109/CONIEL.2005.33","DOIUrl":"https://doi.org/10.1109/CONIEL.2005.33","url":null,"abstract":"This article presents the design of a high level parallel composition or CPAN (according to its Spanish acronym) that implements a parallelization of the algorithmic design technique named branch and bound and uses it to solve the travelling salesman problem (TSP), within a methodological infrastructure made up of an environment of parallel objects, an approach to structured parallel programming and the object-orientation paradigm. A CPAN is defined as the composition of a set of parallel objects of three types: one object manager, the stages and the collector objects. By following this idea, the branch and bound design technique implemented as an algorithmic parallel pattern of communication among processes and based on the model of the CPAN is shown. Thus, in this work, the CPAN branch and bound is added as a new pattern to the library of classes already proposed in Rossainz et al. (2004), which was initially constituted by the CPAN farm, pipe and treeDV that represent, respectively, the patterns of communication farm, pipeline and binary tree, the latter one implementing the design technique known as divide and conquer. As the programming environment used to derive the proposed CPAN, we use C++ and the POSIX standard for thread programming.","PeriodicalId":367791,"journal":{"name":"15th International Conference on Electronics, Communications and Computers (CONIELECOMP'05)","volume":"471 ","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2005-02-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"120879678","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
Mobile medical data access system 移动医疗数据访问系统
Z. Hunaiti, A. Rahman, Z. Huneiti, W. Balachandran
{"title":"Mobile medical data access system","authors":"Z. Hunaiti, A. Rahman, Z. Huneiti, W. Balachandran","doi":"10.1109/CONIEL.2005.47","DOIUrl":"https://doi.org/10.1109/CONIEL.2005.47","url":null,"abstract":"The paper presents a mobile medical data access system, which can be used to exchange medical data between medical centres and a remote consultant. The system is based on high speed Internet communication over general packet radio services (GPRS) as a communication link between the medical centre and remote doctors or health care personnel. The paper also describes the design requirements and initial tests that were carried out.","PeriodicalId":367791,"journal":{"name":"15th International Conference on Electronics, Communications and Computers (CONIELECOMP'05)","volume":"92 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2005-02-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116330122","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
HAPS systems performance using a Ka-band channel model based on a time series generator HAPS系统性能使用基于时间序列发生器的ka波段信道模型
J. Cuevas-Ruíz, J. A. Delgado-Penín
{"title":"HAPS systems performance using a Ka-band channel model based on a time series generator","authors":"J. Cuevas-Ruíz, J. A. Delgado-Penín","doi":"10.1109/CONIEL.2005.43","DOIUrl":"https://doi.org/10.1109/CONIEL.2005.43","url":null,"abstract":"Many applications in the Ka and upper bands have been analyzed around the world. However, when a link is implemented at frequencies above 10 GHz, the attenuation due to rain and other weather effects increases considerably. Therefore, it is necessary to implement channel models that allow the attenuation due to these factors to be characterized. A Ka-band channel model, which is able to take account of weather impairments, is proposed for the analysis of the operation of FWA (fixed wireless access) systems based on HAPS (high attitude platform stations). The weather effects are taken into consideration using a time series generator obtained by simulation. The BER performance of the system under the proposed channel model is obtained and compared to that of other systems.","PeriodicalId":367791,"journal":{"name":"15th International Conference on Electronics, Communications and Computers (CONIELECOMP'05)","volume":"24 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2005-02-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114814113","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: 6
Breakdown voltage behavior under high voltage and frequency signals on isolating solid materials 隔离固体材料在高压高频信号下的击穿电压行为
Felipe Rodríguez Valdés, J. Ávila, Raymundo A. Caballero Pimentel, David Castro Baltasar
{"title":"Breakdown voltage behavior under high voltage and frequency signals on isolating solid materials","authors":"Felipe Rodríguez Valdés, J. Ávila, Raymundo A. Caballero Pimentel, David Castro Baltasar","doi":"10.1109/CONIEL.2005.27","DOIUrl":"https://doi.org/10.1109/CONIEL.2005.27","url":null,"abstract":"The advance in technology demands higher levels on voltage and frequency acting over different materials, and actually it is not easy to find information about the behavior of the insulating materials under these conditions. A prototype for measuring the breakdown voltage for insulating materials has been developed at the Instituto Tecnologico de Veracruz for high voltage and frequency testing. The equipment supplies a variable voltage from 0 to 12 kV at a given frequency or a fixed voltage for a variable frequency from 20 kHz to 50 kHz. Developing technology on isolation materials for high voltage and frequency is one of the approaches for this equipment. Knowing the real value of the breakdown point on isolation materials for high frequency signals, will help to develop more safe equipment. Preliminary tests for different isolating materials sampling are presented in this paper.","PeriodicalId":367791,"journal":{"name":"15th International Conference on Electronics, Communications and Computers (CONIELECOMP'05)","volume":"46 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2005-02-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128071534","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
Application of an annular/sphere search algorithm for speaker recognition 环形/球面搜索算法在说话人识别中的应用
G. M. León, José Ismael de la Rosa Vargas, E. G. Domínguez
{"title":"Application of an annular/sphere search algorithm for speaker recognition","authors":"G. M. León, José Ismael de la Rosa Vargas, E. G. Domínguez","doi":"10.1109/CONIEL.2005.22","DOIUrl":"https://doi.org/10.1109/CONIEL.2005.22","url":null,"abstract":"An alternative search algorithm for a vector quantization codebook is applied as a way to improve the performance of an automatic speaker recognition system. The search algorithm is based on the geometrical properties of the vector space, defining annular and spherical regions instead of a full search method. The speaker recognition system is intended to identify a suspect, among a small group of persons, using low quality recordings, working as a text independent automatic speaker recognition system. Because the rate of recognition required in forensic applications is extremely important, the use of good discrimination algorithms can reduce the risk of bad decisions. The performance of the system under such conditions is reported. Besides using few speaker samples for training, a high recognition rate was obtained, so an improvement of the recognition rate over the full search method was found.","PeriodicalId":367791,"journal":{"name":"15th International Conference on Electronics, Communications and Computers (CONIELECOMP'05)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2005-02-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121847307","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
Fuzzy logic approach to autonomous car parking using MATLAB 模糊逻辑方法在自动泊车中的应用
C. D. Flores, M. Gutiérrez, R. A. Palomares
{"title":"Fuzzy logic approach to autonomous car parking using MATLAB","authors":"C. D. Flores, M. Gutiérrez, R. A. Palomares","doi":"10.1109/CONIEL.2005.41","DOIUrl":"https://doi.org/10.1109/CONIEL.2005.41","url":null,"abstract":"This paper discusses a system that parks automatically an automobile given certain conditions and making decisions based in fuzzy logic. It proposes three models in cascade in order to achieve a \"decision-action\" approach, so that the car in question does not need an operator.","PeriodicalId":367791,"journal":{"name":"15th International Conference on Electronics, Communications and Computers (CONIELECOMP'05)","volume":"11 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2005-02-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121546948","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
Monitoring of temperature using smart sensors based on CAN architecture 采用基于CAN架构的智能传感器进行温度监测
J. S. Sá, J. J. Silva, M. G. Wanzeller, J. Neto
{"title":"Monitoring of temperature using smart sensors based on CAN architecture","authors":"J. S. Sá, J. J. Silva, M. G. Wanzeller, J. Neto","doi":"10.1109/CONIEL.2005.51","DOIUrl":"https://doi.org/10.1109/CONIEL.2005.51","url":null,"abstract":"In this work is presented the implementation of smart sensors for monitoring temperature and for communicating among them self using the protocol CAN (controller area network). A smart sensor has the capacity to make decisions based on data and command received. These decisions can include the control of an actuator, the sending of information for a controller in communication to other smart sensor that can carry out a wished function. CAN is a protocol of serial communication that allows the control of systems distributed in real time with high level of safety. This protocol was developed in the nineteen eighties in order to decentralize vehicle control systems because their characteristics CAN are being used currently in several areas.","PeriodicalId":367791,"journal":{"name":"15th International Conference on Electronics, Communications and Computers (CONIELECOMP'05)","volume":"10 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2005-02-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"120930249","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: 14
Modelling and simulation of a hydroelectric power station using MLD 基于MLD的水电站建模与仿真
Germán Ardul Muñoz Hernández, Dewi I. Jones, S. I. Fuentes-Goiz
{"title":"Modelling and simulation of a hydroelectric power station using MLD","authors":"Germán Ardul Muñoz Hernández, Dewi I. Jones, S. I. Fuentes-Goiz","doi":"10.1109/CONIEL.2005.49","DOIUrl":"https://doi.org/10.1109/CONIEL.2005.49","url":null,"abstract":"In this work is presented a \"mixed logical dynamical\" (MLD) model of Dinorwig, which is a pumped-storage hydroelectric power station. This model is compared with a nonlinear model; the results show that there is good agreement between the two models. A control scheme, based on the MLD model, was designed and compared with the classic PI controller as currently implemented. The results show that scheduled-PI is faster and less sensitive than the classic PI.","PeriodicalId":367791,"journal":{"name":"15th International Conference on Electronics, Communications and Computers (CONIELECOMP'05)","volume":"18 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2005-02-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125698482","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 hardware architecture for elliptic curve cryptography and lossless data compression 椭圆曲线加密和无损数据压缩的硬件结构
M. Morales-Sandoval, C. F. Uribe
{"title":"A hardware architecture for elliptic curve cryptography and lossless data compression","authors":"M. Morales-Sandoval, C. F. Uribe","doi":"10.1109/CONIEL.2005.8","DOIUrl":"https://doi.org/10.1109/CONIEL.2005.8","url":null,"abstract":"We present a hardware architecture that combines elliptic curve cryptography (ECC) and lossless data compression in a single chip. Input data is compressed using a dictionary-based lossless data compressor before encryption, then two elliptic curve cryptographic algorithms can be applied to the compressed data: ECIES for encryption or ECDSA for digital signature. Applying data compression presents three advantages: first, the improvement in the cryptographic module throughput by reducing the amount of data to be encrypted; second, the higher utilization of the available bandwidth if encrypted data is transmitted across a public network and third, the increment of the difficulty of recovering the original information. The architecture was described in VHDL and synthesized for a Xilinx FPGA device. The results achieved show that it is possible to combine these two algorithms in a single chip while gathering the advantages of compression and cryptography. This work is novel in the sense that no such algorithm combination has been reported, nor a hardware implementation of elliptic curve cryptographic schemes.","PeriodicalId":367791,"journal":{"name":"15th International Conference on Electronics, Communications and Computers (CONIELECOMP'05)","volume":"2023 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2005-02-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132453110","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: 138
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