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This paper presents the design component aspects of a Magnetically levited Vertical Axis Wind Turbine and to report the result analysis using an modified magnetic circuit. The modified magnetic circuit generator reported in our earlier work is tested with the built-in MAGLEV-VAWT. Initially three different wind profiles and the suitable airfoil for the vertical axis wind turbine is derived. The position...
Static measurement characteristics of the double rotor switched reluctance motor developed on the basis of double salient dual air-gap structure is put forward in this paper. The reduction of the air - gap length of the conventional machine is constrained by the mechanical intolerances that inherit the torque generating capability. Therefore there is always a limitation on the air-gap length. However,...
Wind turbine works with the principle of extracting energy from the wind to generate electricity. The power generated is directly proportional to the wind speed available. There are two major types of wind turbine design, namely the horizontal and vertical axis wind turbine depending on the orientation of the turbine rotor and its generator. This paper deals with the design of vertical turbine due...
This paper presents a micro-scale RF (radio frequency) energy harvesting circuit that can be used for RF signals for milliwatt to microwatt scale DC power units. Both at hospitals and homes, radio waves are always present in our daily lives in the form of signals transmitted from TV, Radio and Mobile base stations. There are many signals of different frequencies in our surroundings that can be reclaimed...
The proliferation of the RFID technology greatly improves customer convenience in various applications including the smart tags. However the systems are developed with a passive RFID system which needs a standby source for its operation. This paper projects the design and development of an active RFID system. The developed system can be used for automatic control over a long distance. A test application...
This paper presents a novel voice verification system using wavelet transforms. The conventional signal processing techniques assume the signal to be stationary and are ineffective in recognizing non stationary signals such as the voice signals. Voice signals which are more dynamic could be analyzed with far better accuracy using wavelet transform. The developed voice recognition system is word dependant...
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