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The rapid improvement in LED technology with relatively low power consumption and long lifetime, provides greater potential for general lighting applications ranging from traffic signal, signboard, message displays, instrumentation signals, cars lamp and others. The exponential growth of LED lighting resulted in a vast selection of integrated circuit devices to provide controlled white LEDs. No longer...
In recent years, research into energy saving has been increasing in view of dealing with environmental problems and effectively using energy resources. In a plant, power consumption monitoring of individual inductive devices like motors would have significant impact on energy savings in the long run. However, the current practice of measurement of power consumption of the whole plant rather than individual...
This paper describes the development of a modular general purpose controller board for biologically inspired robot. The circuits are designed using Protel, an electronic design software that bring together the traditionally separate disciplines of board design, programmable hardware design and software development. The general purpose controller board which currently has five categories; power, communication,...
This paper discusses the configuration of a semi-automated robotic tiling system for floor-tile installation of residential and commercial buildings. The research is motivated by the need to reduce the human fatigue, installation time, cost and while maintaining consistent quality. The technical solution that is deemed feasible and capable of addressing the above mentioned issues is an electrically-powered...
This paper proposes a control strategy to optimize power output performance of wind energy conversion system. In order to obtain optimum power output from a wind turbine generator system, it is necessary to drive the wind turbine at an optimal rotor speed for a particular wind speed. Fuzzy logic based control algorithm is implemented with the embedded microcontroller which will track the maximum power...
This paper proposes an intelligent method for maximum power point tracking (MPPT) of a photovoltaic system under variable temperature and insolation conditions and conversion of this solar energy into stabilized sine wave having low distortion factor (DF), so that the solar energy can be supplied to grid and can operate electrical and electronic devices efficiently. For the reduction of tracking time...
As wireless devices become more pervasive, mobile ad hoc networks are gaining importance, motivating the development of highly scalable ad hoc networking techniques. In this paper, we give an overview of the Safari architecture for highly scalable ad hoc network routing, and we present the design and evaluation of a specific realization of the Safari architecture, which we call Masai. We focus in...
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