Title :
Direct Torque Control System of Permanent Magnet Synchronous Motor for Integrated Starter Generator of Hybrid Electric Vehicles
Author :
Zhang Peijie ; Tian Yantao ; Gong Yimin
Author_Institution :
Coll. of Commun. Eng., Jilin Univ., Changchun, China
Abstract :
The basic principle of direct torque control of PMSM was analyzed. To drive the motor in a wide speed range, a direct torque control system was presented. Constant torque control was adopted when rotor´s speed was less than the rating speed, or else, the field weakening control was employed. At discrete time, the estimation of stator flux linkage was revised using the current model. The estimation error was reduced and robustness was enhanced. It is proved that fast torque response can be obtained by simulation and implementation of the control strategy.
Keywords :
discrete time systems; hybrid electric vehicles; permanent magnet generators; permanent magnet motors; synchronous motors; torque control; current model; direct torque control system; estimation error; field weakening control; hybrid electric vehicles; integrated starter generator; permanent magnet synchronous motor; stator flux linkage estimation; Couplings; Hybrid electric vehicles; Hybrid power systems; Magnetic analysis; Permanent magnet motors; Rotors; Stators; Synchronous generators; Synchronous motors; Torque control; ISG; PMSM; direct torque control; field weakening operation;
Conference_Titel :
Control Conference, 2006. CCC 2006. Chinese
Conference_Location :
Harbin
Print_ISBN :
7-81077-802-1
DOI :
10.1109/CHICC.2006.280753