Optimal Controller for High Frequency AC-Link Converter Induction Motor Drive System

Abstract

This paper proposes a new control algorithm for a high frequency AC-link converter (HFAC) induction motor drive system. A two-degree-of-freedom controller is proposed to improve the system performance. The controller design algorithm can be applied in an adjustable speed control system and a position control system to obtain good transient responses and good load disturbance rejection abilities. Several experimental results are shown to validate the theoretical analysis.