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Sliding Mode MRAS Speed Estimator for Permanent Magnet Synchronous Motor

Shao You

Open publisher page 1 citations

Abstract

In the sensorless control of permanent magnet sychronous motor(PMSM),to improve the robustness and load disturbance,the slidng mode control(SMC) into the model reference addptive system(MRAS) was introduced.Based on the traditional MRAS,a sliding mode MRAS speed estimation method was proposed.Theoretical analysis and simulation results showed that the proposed sliding mode-model reference adaptive sensorless control of permanent magnet synchronous motor has higher estimation accuracy and more robust compared to traditional MRAS,and easy to implement.

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What this paper is about

In the sensorless control of permanent magnet sychronous motor(PMSM),to improve the robustness and load disturbance,the slidng mode control(SMC) into the model reference addptive system(MRAS) was introduced.Based on the traditional MRAS,a sliding mode MRAS speed estimation method was proposed.Theoretical analysis and simulation results showed that the proposed sliding mode-model reference adaptive sensorless control of permanent magnet synchronous motor has higher estimation accuracy and more robust compared to traditional MRAS,and easy to implement.

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Available abstract

In the sensorless control of permanent magnet sychronous motor(PMSM),to improve the robustness and load disturbance,the slidng mode control(SMC) into the model reference addptive system(MRAS) was introduced.Based on the traditional MRAS,a sliding mode MRAS speed estimation method was proposed.Theoretical analysis and simulation results showed that the proposed sliding mode-model reference adaptive sensorless control of permanent magnet synchronous motor has higher estimation accuracy and more robust compared to traditional MRAS,and easy to implement.

Key concepts: MRAS, Control theory (sociology), Estimator, Permanent magnet synchronous motor, Robustness (evolution), Magnet, Computer science, Adaptive system

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