Servo Control System Design Based On The Repetitive Control Method Precision

The background of the paper is high precision servocontrol system.And it disucussed the influence of the electromagnetism fluctuant moment towards the speed balance. and designed the repition controler based on interal model theory,through which the steady performance and dynamic performance had been improved.First of all,the mechanism moduel of vector control type motor system had been introduced,and the mathematics moduel of the object controled was described. And on this basis,aiming at the problem of the motor's fluctuate moment disturbing,the paper analysed the reason of the mechanism.After the experiment test the main frenquency had been confirmed and the mathematics expression had been elicited.Next,the repetition control method had been studied.Aiming at the high precious speed servocontrol system repetiton controller had been designed. And the repetiton control method and the improved repetiton control method had been introduced. The basic repetiton control method's trait and the problem of its application had been analysed.Finally,on the basis of the improved repetition control method,combining the trait of the system,the repetiton control method had been introduced.The insert repetiton controller and the PID controller can be designed seperately.On the foundation of the insert repetition controller designe method.To improved the system's performance a feasible method had been introduced.