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Digital hardware implementation of a current controller for IM variable-speed drives

By S. J. Henriksen, R. E. Betz and B. J. Cook


Abstract—This paper presents the design of an induction machine current controller that is entirely implemented in digital hardware. A hardware current controller allows high switching frequencies with only modest processing power as well as simplified controller hardware and software. The paper briefly presents the concepts of the algorithm implemented, and then outlines the changes that are made to make the digital implementation even more efficient. It then discusses the architecture used for the hardware design. Experimental results are presented to demonstrate the algorithms performance. I

Year: 1999
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