In this paper, a basic design procedure for closed loop control of an induction machine is described. The method is based an maximizing the efficiency while minimizing the cost. The method is used to convert an internal combustion engine vehicle (ICEV) to a battery powered electric vehicle. During two years of a research project, a normal vehicle is converted to an electric vehicle. Furthermore, all the main components such as the inverter, controller hardware, instrument cluster electronic boards, Dc-Dc converters, and chargers are developed by a team of design engineers. In addition to that the controller and simulation software programs are written. Besides, a lot of mechanical works are carried out in order to over come the weight and packaging problems. Sealed-lead-acid batteries are used to keep the cost as low as possible. The project was incredibly successful and all the goals are achieved. It has been found that the experimental results have a good agreement wich the theoretical calculations. The vehicle is driven by an Ac induction machine that can also work in the regenerative mode. Both the speed and the torque control methods are implemented in the controller software and hardware. Finally, two methods for the cruise control are suggested and implemented to the vehicle.
Electric vehicle design based on maximum efficiency and minimum cost
Enwicklung eines Elektrofahrzeugs mit dem Ziel eines hohen Wirkungsgrades bei minimalen Kosten
2001
11 Seiten, 14 Bilder, 9 Quellen
Aufsatz (Konferenz)
Datenträger
Englisch
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