The Research of ASR Strategy for the Spindle Inverter Control in CNC Machine Tool

Abstract

It is known for rendering more torque in operation at low speed and suitably attaining high performance dynamic control for the inverter. This paper describes the research of ASR strategy for the spindle inverter control in CNC machine tool. The principles of the vector control and formulas for the coordinate transformation are illustrated. The accuracy of the torque depends on the accuracy of the motor parameters used in the control. So the powerful parameter tuning function should be enabled for all kinds of spindle to run effectively. The response of ASR will be perfect if the switching frequencies is used which is usually constant and set by the user.