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Sliding Mode MRAS Speed Estimator for Permanent Magnet Synchronous Motors

Guoding Chen

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Abstract

In the sensorless control of PMSM,to improve the robustness and load disturbance,introduced the SMC into the MRAS.Based on the traditional MRAS,proposed a sliding mode MRAS speed estimation method.Theoretical analysis and simulation results show 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 PMSM,to improve the robustness and load disturbance,introduced the SMC into the MRAS.Based on the traditional MRAS,proposed a sliding mode MRAS speed estimation method.Theoretical analysis and simulation results show 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 PMSM,to improve the robustness and load disturbance,introduced the SMC into the MRAS.Based on the traditional MRAS,proposed a sliding mode MRAS speed estimation method.Theoretical analysis and simulation results show 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), Permanent magnet synchronous motor, Estimator, Robustness (evolution), Adaptive system, Synchronous motor, Computer science

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