Title :
Feedforward control for SPMSM with final-state control based on voltage limit circle with transient term
Author :
Miyajima, Takayuki ; Fujimoto, Hiroshi ; Fujitsuna, Masami
Author_Institution :
Univ. of Tokyo, Chiba, Japan
Abstract :
SPMSMs (Surface Permanent Magnet Synchronous Motors) are employed for many industrial applications. SPMSM drive systems should achieve quick torque response and wide operating range. For quick current response, authors proposed final-state control considering voltage limit. Final-state control drives an initial state to a final state with feedforward input during finite time. The proposed method achieved quick current control in field-weakening region but inverse response of q-axis current was caused. In this paper, a new feedforward control method which improves current response is proposed. Simulations and experiments are performed to compare two types of feedforward control method. In addition, current response under voltage limit is analyzed by the voltage limit circle of SPMSM with transient term.
Keywords :
electric current control; feedforward; machine control; permanent magnet motors; synchronous motor drives; current control; current response; feedforward control method; field-weakening region; final-state control drives; finite time; g-axis current; industrial applications; inverse response; surface permanent magnet synchronous motor drive systems; torque response; transient term; voltage limit circle; Feedforward neural networks; Inverters; Power capacitors; Pulse width modulation; Torque; Transient analysis; Voltage control;
Conference_Titel :
Energy Conversion Congress and Exposition (ECCE), 2011 IEEE
Conference_Location :
Phoenix, AZ
Print_ISBN :
978-1-4577-0542-7
DOI :
10.1109/ECCE.2011.6064301
