A torque impulse balance control method to achieve optimal dynamic response for permanent magnet flux-switching motor

Abstract

In modern motor speed control system, as PI regulator is in the speed loop of vector control and direct torque control, the motor system does not have a good performance in dynamic response. This paper presents a new control method which can improve dynamic response of a motor. The method can accurately calculate the needed forward vector, zero vector and switch time during the dynamic process by utilizing principle of torque impulse balance control and the optimal combination of vector idea thus can realize quick dynamic speed response without overshoot in theory. This control method can be used to control and optimize the dynamic process of various motor and is of great significance for motor control, servo, etc.