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ISSN: 1841-9836    frecuency : 4   format : Electrónica

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Volume 7 Number 1 Year 2012

16 articles in this issue 

Sawsan Morkos Gharghory,Hanan Ahmed Kamal

Particle swarm optimization (PSO) has proved its ability as an efficient search tool in many optimization problems. However, PSO is easy to be trapped into local minima due to its mechanism in information sharing. Under this circumstance, all the particle... see more

Pags. 101 - 114  

Aleksandar V. Mosic,Zoran H. Peric,Stefan R. Panic

In this paper switched nonuniform and piecewise uniform scalar quantization of Laplacian source are analyzed. This scalar quantization techniques are used in order to obtain higher signal quality by increasing signal-to-quantization noise ratio (SNRQ) wit... see more

Pags. 115 - 122  

Miguel Navarro,Yezid Donoso

Quality of Service (QoS) provisioning is one of the main requirements in the 3GPP IP Multimedia Subsystem (IMS) and it has been addressed in different works since the beginning of the IMS standardization process. As a result of the fixed and mobile networ... see more

Pags. 123 - 134  

Olumide Obe,Ioan Dumitrache

In this paper, we investigate the use of adaptive techniques in the optimization of navigation of Khepera mobile robot in an unstructured and dynamic environment. We optimize the performance of our simplified fuzzy controller using neural network that uti... see more

Pags. 135 - 146  

Robert Pinter,Dragica Radosav,Sanja Maravic Cisar

This study intends to measure the impact of interactive animations on the students’ performance. Two courses from Subotica Tech were included, the subjects “Analog and Digital Electronics” and “Microcontrollers”. The experiment lasted over a period of tre... see more

Pags. 147 - 162  

Wang Lu,Liu Lixiang,Hu Xiaohui

Satellite communication is regarded as a promising way to achieve seamless global coverage with an array of advantages over the traditional terrestrial network. However, the non-uniform distribution of users and the highly topological dynamics have been a... see more

Pags. 163 - 172  

Xingyi Zhang,Bin Luo,Linqiang Pan

In this note, we consider the problem of looking for small universal one-symbol tissue P systems with symport/antiport rules. It is proved that six cells suffice to generate any recursively enumerable set of natural numbers by such a onesymbol tissue P sy... see more

Pags. 173 - 183  

Wei Zhuang,Xi Chen,Jindong Tan

This paper presents a comprehensive metric to evaluate the link quality and the corresponding control schemes for the distributed control of a team of robots to maintain the communication links. The mobile robots dynamically reconfigure themselves to main... see more

Pags. 184 - 195  

V. Casanova,J. Salt,R. Piza,A. Cuenca

The aim of this work is the development and implementation of a control structure for the double rotary inverted pendulum, suitable to be used in a Networked Control System environment. Delays are quite common in this kind of systems and, when controlling... see more

Pags. 20 - 38  

Joy Iong-Zong Chen,Yi-Nung Chung

An efficient DFA (data fusion algorithm) plays an important role in tracking for moving objects over WSS (wireless sensor system) deployments in order to track the objects accurately. Accuracy in object tracking is mainly dominated by the prediction for t... see more

Pags. 39 - 52  

Marcel Cremene,Michel Riveill,Anca Rarau,Costin Miron,Iulian Benta,Valeriu Todica

Service adaptation is one of the main research subjects in Ubiquitous Computing. Dynamic service adaptation, at runtime, is necessary for services that cannot be stopped (banking, airport, etc.). The classical approaches for dynamic adaptation require pre... see more

Pags. 53 - 60  

Zhenbin Du,Tsung-Chih Lin,Valentina E. Balas

The problem of tracking control is addressed for a class of nonlinear systems with uncertainties. The original nonlinear systems are approximated by a fuzzy T-S model based on which a state-feedback controller is constructed by using the linear matrix ine... see more

Pags. 61 - 72  

In-Hwan Kim,Gu-Min Jeong,Eun-Chan Park,Ki-Dong Chung

In this paper, we propose a WPAN (Wireless Personal Area Network) platform for converged network services integrating a cellular network and a WPAN. We mainly focus on an easy-to-develop and easy-to-use WPAN platform for wireless communication services us... see more

Pags. 73 - 89  

Wudhichai Assawinchaichote

This paper determines the designing of a non-fragile H8 output feedback controller for a class of nonlinear uncertain dynamical systems with multiple timescales described by a Takagi-Sugeno (TS) fuzzy model. Based on a linear matrix inequality (LMI) appro... see more

Pags. 8 - 19  

Qing-Quan Liu,Guang-Hong Yang

This paper investigates the feedback stabilization problem for networked control systems (NCSs) with unbound process noise, where sensors and controllers are connected via noiseless digital channels carrying a finite number of bits per unit time. A suffic... see more

Pags. 90 - 100