FPGA Realization of Sensorless PMSM Speed Controller Based on Extended Kalman Filter

Ying-Shieh Kung, Nguyen Vu Quynh, Nguyen Trung Hieu and Jin-Mu Lin

Mathematical Problems in Engineering, 2013, vol. 2013, 1-13

Abstract:

Based on extended Kalman filter (EKF), the design and FPGA implementation of a sensorless control intellectual property (IP) for permanent magnet synchronous motor (PMSM) drive are presented in this paper. Firstly, the mathematical model for PMSM is derived and the vector control is built up. Secondly, the rotor flux angle (FA) and rotor speed which are estimated by using EKF are described. These estimated values are feedbacked to the current loop for vector control and to the speed loop for speed control. Thirdly, the very-high-speed IC hardware description language (VHDL) is adopted to describe the behavior of the sensorless speed control IP which includes the circuits of space vector pulse width modulation (SVPWM), coordinate transformation, EKF, and PI controller. Finally, to evaluate the effectiveness and correctness of the proposed of system, a cosimulation work performed by Simulink and ModelSim is firstly conducted. Then, an experimental system by FPGA chip and motor driving board is set up to further validate the performance of the proposed EKF-based sensorless speed control IP.

Date: 2013
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Persistent link: https://EconPapers.repec.org/RePEc:hin:jnlmpe:919318

DOI: 10.1155/2013/919318

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