Abstract
This paper describes a high dynamic current control for internal permanent magnet (IPM) synchronous motor drives. The strategy is based on the time optimal control (TOC) approach and it assures the fastest current response after any large demanded variation of the current reference. The potentiality of the TOC for high performance electric drives is investigated and evaluated. Current prediction is accomplished as well, to minimise the effects of the delay introduced by the digital implementation. Nonetheless, the proposed strategy can also be easily arranged to be merged with different control techniques. The implementation details and experimental results are included in the paper.
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