Title :
Speed control with vibration suppression of two-inertia servo system based on resonance ratio control
Author :
Ran Cao ; Shuanghong Wang ; Jianbo Sun
Author_Institution :
State Key Lab. of Adv. Electromagn. Eng. & Technol., Huazhong Univ. of Sci. & Technol., Wuhan, China
Abstract :
Torsional vibration in flexible servo system with finite stiffness shaft has received increasing attention. This paper presents a method aimed to suppress the vibration in speed response in both motor and load side. Based on resonance ratio control (RRC), we proposed a 4-order luenberger observer to estimate to tortional torque and the motor speed, which performed better than traditional disturbance observer. The coefficient method(CDM) was applied to design the speed P&I controller parameter. The validity of proposed method has been confirmed by simulation results.
Keywords :
PI control; angular velocity control; observers; servomotors; shafts; torque control; vibrations; 4-order luenberger observer; CDM; RRC; coefficient method; finite stiffness shaft; motor speed estimation; resonance ratio control; speed PI controller parameter; speed response; torsional torque estimation; torsional vibration; two-inertia servo system vibration suppression; Mathematical model; Observers; Resonant frequency; Servomotors; Torque; Vibrations;
Conference_Titel :
Electrical Machines and Systems (ICEMS), 2014 17th International Conference on
Conference_Location :
Hangzhou
DOI :
10.1109/ICEMS.2014.7013854
