Precision linearization control of inner permanent magnet synchronous motor for electrical vehicle drive system

Abstract

Precision linearization control of IPMSM system is realized with nonlinear state feedback and coordinates transformation. The IPMSM is decomposed into two linear subsystems, d-axis flux subsystem and rotation speed subsystem. Simulation results show that IPMSM control system based on the design of input and output decoupling and linearization achieves high dynamic performance than the ordinary field oriented control (FOC).