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International Journal of Innovative Research and Development, Vol 1, No 8 (2012), Pagination: 546-562
Abstract
This paper presents the modeling, simulation, and speed control aspects of a 3-phase 6/4 switched reluctance motor (SRM) drives. Using hybrid combination of conventional PI & expert fuzzy system. Fourier series expression of phase selfinductance under the assumption of negligible mutual effect and various losses is introduced to describe the nonlinear dynamic model of SRM. In addition, to improve the adjustable speed performance of SRM drives, the double closed loop control strategy based on a chopping controller in the current loop and a Fuzzy PI controller in the speed loop is proposed. Simulation results have shown the rationality of model and validity of control strategy. By virtue of MATLAB/SIMULINK, the models of various subsystems are achieved and the modeling procedure is described in detail. By the organic combination of subsystems, the whole simulation model of SRM drives is established. The model developed here can be widely used and is easy to modify, which offers a good platform for choosing the best control strategy.
Keywords
Switched Reluctance Drives, Modeling and Simulation, Double Closed Loop Compound Control, Chopping Control
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