A Digital Current Controller Based on Active Resistance Term Feedback for SPMSM Drives

Improving the control performance of surfaced-mounted permanent magnet synchronous machine (SPMSM) drives, digital current controllers with active resistance term feedback (ARTF) based on an exact zero-order hold (ZOH) equivalent discrete SPMSM model have been developing. Derived from ARTF structure, few approaches are developed to suppress delay effect controller. To fill this gap, improved controller proposed internal mode estimator is designed. In predicted can be effectively utilized as compensation and at same time. Compared other state-of-the-art ARTF, evaluation dynamic response, disturbance rejection, parameter robustness originally carried out ZOH model. Furthermore, experimental results able fully verify correctness method.