Fuzzy Logic Vector Control of PMSM with Fuzzy Kalman Filter for the Estimation of Speed and Rotor Position
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چکیده
In this paper a fuzzy logic based intelligent Extended Kalman filter (EKF) is used for the estimation of speed, rotor position ,direct and quadrature axis current of permanent magnet synchronous motor thereby eliminating the problem of design and tuning of process covariance matrix in EKF algorithm. Unlike in the previous approaches the present work uses only the sensed line currents as measurements, and thus following a blind system identification approach. A fuzzy logic control technique is utilized for control purpose. The results show the improvement in convergence of EKF algorithm when intelligent technique is introduced in it.
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تاریخ انتشار 2011