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Journal of Sensors
The permanent magnet synchronous motor (PMSM) has complex nonlinear, strongly coupled characteristics and the variation of motor parameters makes its control more difficult. Therefore, parameter identification is of great significance for the stable operation of its closed-loop control system. In this paper, a method based on an improved extended Kalman filter (EKF) for the identification of the rotor flux ( ψ f ) of a permanent magnet synchronous motor is investigated for this nonlinear anddoi:10.1155/2022/9477659 fatcat:adrhylwgvjecdl7rwimxfzzzwm