Title :
A speed fluctuation reduction method for sensorless PMSM-compressor system
Author :
Zhang, Meng ; Li, Yongdong ; Zhao, Tiefu ; Liu, Zhichao ; Huang, Lipei
Author_Institution :
Dept. of Electr. Eng., Tsinghua Univ., Beijing, China
Abstract :
This paper presents a speed fluctuation reducing method for sensorless PMSM-compressor system in air-conditioners. The rotor speed and position are estimated based on model reference adaptive system (MRAS) method. A combined control method for the q-axis reference current is proposed to resolve the dilemma of conventional PI tuning problems in vector control system and reduce the speed fluctuation. Simulation and experimental results show the good performance of the proposed method.
Keywords :
air conditioning; compressors; machine vector control; model reference adaptive control systems; permanent magnet motors; rotors; synchronous motors; PI tuning; air-conditioner; model reference adaptive system method; position estimation; rotor; sensorless PMSM-compressor system; speed estimation; speed fluctuation reduction method; vector control system; Adaptive systems; Control systems; Electrical equipment industry; Equations; Fluctuations; Machine vector control; Permanent magnet motors; Rotors; Synchronous motors; Torque;
Conference_Titel :
Industrial Electronics Society, 2005. IECON 2005. 31st Annual Conference of IEEE
Print_ISBN :
0-7803-9252-3
DOI :
10.1109/IECON.2005.1569149
