A Novel Current Decoupling Controller Based on Internal Model Principle

Analysis on the coupling effect of the induction motor and feedforward decoupling performance was conducted according to complex vector model, and a novel current decoupling controller based on the internal model principle was proposed. Compared with feedforward decoupling, the proposed internal model decoupling controller not only has better decoupling performance, but also has strong robustness when the parameter of stator leakage inductance is mismatched through experimental results.