Hybrid Model Predictive Torque Control for PMSM with Common-Mode Voltage Suppression Capability
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    Abstract:

    Model predictive control (MPC) has excellent dynamic performance and strong disturbance rejection capabilitybut zero voltage vector can cause large common mode voltageresulting in axis currentelectromagnetic interference and other problems. Although the existed multi-vector MPC based on the equivalent of zero vector can suppress common-mode voltageit needs to use multiple effective vectors in a periodresulting in high switching frequency and low system efficiency. A hybrid model predictive torque control (MPTC) strategy for permanent magnet synchronous motor (PMSM) is proposedwhich uses two waysthe virtual vector or multi-vector synthesis wayto generate the voltage vector for different amplitudes of the reference voltage. This method can achieve common mode voltage suppression with low average switching frequency and ensure good performance of dynamic and static torque control. In additionflexible compromise between switching frequency and torque ripple can be achieved by changing the switching condition of control mode. Finallythe effectiveness of the proposed method is verified by simulation.

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CHEN Zhijun, WANG Tao, LIU Chuang, ZHU Shushu, ZHANG Xi. Hybrid Model Predictive Torque Control for PMSM with Common-Mode Voltage Suppression Capability[J]. Electric Machines & Control Application,2022,49(9):8-16.

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History
  • Received:June 27,2022
  • Revised:August 01,2022
  • Adopted:
  • Online: September 29,2022
  • Published: September 10,2022
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