Conference Proceeding

A Modified DTC of speed sensorless IPMSM drives using variable structure approach

Fac. of Eng., Univ. of Malaya, Kuala Lumpur, Malaysia
07/2010; DOI:10.1109/ICIEA.2010.5516972 pp.701 - 706 In proceeding of: Industrial Electronics and Applications (ICIEA), 2010 the 5th IEEE Conference on
Source: IEEE Xplore

ABSTRACT In this paper a flexible direct torque control (DTC) of a sensorless interior permanent magnet synchronous motor drive is proposed based on variable structure approach and space vector modulation technique. According to this method, a sliding mode plus-PI controller is designed for torque and flux control respectively in stator flux reference frame. Simulation results obtained indicate improved performances for the proposed DTC controller and its robustness are preserved for the IPMSM drive.

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Keywords

flexible direct torque control
 
IPMSM drive
 
proposed DTC controller
 
sensorless interior permanent magnet synchronous motor drive
 
Simulation results
 
sliding mode plus-PI controller
 
space vector modulation technique
 
variable structure approach