TAILIEUCHUNG - Simulink/modelsim co simulation of sensorless PMSM speed controller

The PMSM, inverter and speed command are performed in Simulink and the sensorless speed control IP of PMSM drive is executed in ModelSim. Finally, the co-simulation results validate the effectiveness of the sensorless PMSM speed control system. | Simulink/ModelSim Co-Simulation of Sensorless PMSM Speed Controller 1 Ying-Shieh Kung and 2Nguyen Vu Quynh 1,2 Department of Electrical Engineering Southern Taiwan University, Tainan, Taiwan 2 Lac Hong University, Vietnam 1 kung@, 2vuquynh@ Abstract—Based on Simulink/Modelsim co-simulation technology, the design of a sensorless control IP (Intellectual Property) for PMSM (Permanent Magnet Synchronous Motor) drive is presented in this paper. Firstly, a mathematical model for PMSM is derived and the vector control is adopted. Secondly, a rotor flux position is estimated by using a sliding mode observer (SMO). These estimated values are feed-backed 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, SMO, fuzzy controller, etc. Fourthly, the simulation work is performed by MATLAB/Simulink and ModelSim co-simulation mode, provided by Electronic Design Automation (EDA) Simulator Link. The PMSM, inverter and speed command are performed in Simulink and the sensorless speed control IP of PMSM drive is executed in ModelSim. Finally, the co-simulation results validate the effectiveness of the sensorless PMSM speed control system. Keywords-PMSM; Simulink/Modelsim co-simulation; Sliding mode observer; Sensorless speed control; Fuzzy controller; VHDL. I. 3 3,4 Green Energy and Environment Research Laboratories Industrial Technology Research Institute Hsinchu, Taiwan 3 CCHuang@, shorter design cycle, embedding processor, low power consumption and higher density is better for the implementation of the digital system [9-10] than DSP. Recently, a co-simulation work by Electronic Design Automation (EDA) Simulator Link has been gradually applied to .

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