Title :
Sensor-Less Control for Brushless DC Motors Based on Hybrid Sliding Mode Observer
Author :
Hang Zhang ; Yifeng Tu ; Tao Wang
Author_Institution :
Central South Univ., Changsha, China
Abstract :
To solve the detection of rotor position and speed of brushless DC (BLDC) motors in sensor-less position control system, an improved estimation method of rotor position and speed based on nonsingular fast terminal sliding mode and high order sliding mode observer is proposed. The results of simulation illustrate that the developed hybrid sliding mode observer can accurately estimate the rotor speed and the rotor position.
Keywords :
angular velocity control; brushless DC motors; observers; position control; rotors; sensorless machine control; variable structure systems; BLDC motors; brushless DC motors; high-order sliding mode observer; hybrid sliding mode observer; nonsingular fast terminal sliding mode observer; rotor position detection; rotor position estimation method; rotor speed detection; rotor speed estimation method; sensor-less position control system; Brushless DC motors; Mathematical model; Observers; Permanent magnet motors; Rotors; high order sliding mode; nonsingular fast terminal sliding mode; sensor-less position control; sliding mode observer;
Conference_Titel :
Intelligent Computation Technology and Automation (ICICTA), 2014 7th International Conference on
Conference_Location :
Changsha
Print_ISBN :
978-1-4799-6635-6
DOI :
10.1109/ICICTA.2014.158
