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2013•Chinese Control ConferenceRequires access

Analysis and simulation on speed sensorless control system for induction motor

Zhen Xie, Jie Zhao

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Abstract

According to the principle of vector control system for induction motors, we have established speed sensorless vector control system based on open-loop speed estimator and MRAS speed estimator, and simulated two models by the MATLAB. The results show both of the two estimators can meet the requirements of the system. In comparison, the stationary performance and the dynamic performance of the MRAS speed estimator are superior than open-loop.

About this research paper

What this paper is about

According to the principle of vector control system for induction motors, we have established speed sensorless vector control system based on open-loop speed estimator and MRAS speed estimator, and simulated two models by the MATLAB. The results show both of the two estimators can meet the requirements of the system. In comparison, the stationary performance and the dynamic performance of the MRAS speed estimator are superior than open-loop.

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Available abstract

According to the principle of vector control system for induction motors, we have established speed sensorless vector control system based on open-loop speed estimator and MRAS speed estimator, and simulated two models by the MATLAB. The results show both of the two estimators can meet the requirements of the system. In comparison, the stationary performance and the dynamic performance of the MRAS speed estimator are superior than open-loop.

Key concepts: MRAS, Estimator, Control theory (sociology), Induction motor, Vector control, Computer science, MATLAB, Electronic speed control

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