Title :
Research on inertia identification and auto-tuning of speed controller for AC servo system
Author :
Guo, Yujie ; Huang, Lipei ; Muramatsu, Masaharu
Author_Institution :
Dept. of Electr. Eng., Tsinghua Univ., Beijing, China
Abstract :
The performance of an AC servo system is highly influenced by uncertainties of unpredictable mechanical parameter variations and external load disturbances. In order to improve the system dynamic performance, it is necessary to identify the mechanical parameters and to auto-tune the speed controller. An online identification method of mechanical parameters based on MRAS for a one-mass system and a two-mass system are introduced in this paper and schemes for auto-tuning the speed controller are presented as well. A comparison of the difference and compatibility between auto-tuning methods applied to one-mass system and two-mass systems respectively is presented. Simulation and experimental results show the usefulness of the proposed methods
Keywords :
AC motors; identification; machine control; model reference adaptive control systems; servomotors; tuning; velocity control; AC servomotor system; MRAS; auto-tuning methods; control design; control simulation; external load disturbances; inertia identification; mechanical parameter variations; one-mass system; speed controller autotuning; two-mass system; AC motors; Control systems; Couplings; Difference equations; Elasticity; Parameter estimation; Rotors; Servomechanisms; Shafts; Torque;
Conference_Titel :
Power Conversion Conference, 2002. PCC-Osaka 2002. Proceedings of the
Conference_Location :
Osaka
Print_ISBN :
0-7803-7156-9
DOI :
10.1109/PCC.2002.997640
