Title :
Evaluation of methods for the operation of PMSM without position sensor
Author :
Koschik, Stefan ; Van Treek, Daniel ; De Doncker, Rik W.
Author_Institution :
Inst. for Power Electron. & Electr. Drives (ISEA), RWTH Aachen Univ., Aachen, Germany
fDate :
May 30 2011-June 3 2011
Abstract :
This paper presents an analytical evaluation of sensorless methods for the operation of permanent magnet synchronous machines. The influence of position estimation errors on the stability of a current controller and the deviation of the actual current value from the reference current are considered. Taking these effects into consideration, a flux estimator and a signal injection method are analyzed. Accuracy estimations and design guidelines for the implementation of the two methods are given.
Keywords :
electric current control; permanent magnet machines; sensorless machine control; stability; synchronous machines; PMSM; controller stability; current controller; flux estimator; permanent magnet synchronous machines; position estimation errors; sensorless methods; signal injection method; Equations; Estimation; Frequency response; Mathematical model; Phase locked loops; Rotors; Stability analysis; flux estimator; sensorless control; signal injection;
Conference_Titel :
Power Electronics and ECCE Asia (ICPE & ECCE), 2011 IEEE 8th International Conference on
Conference_Location :
Jeju
Print_ISBN :
978-1-61284-958-4
Electronic_ISBN :
2150-6078
DOI :
10.1109/ICPE.2011.5944697
