Abstract
AbstractThis paper presents a high-efficiency drive based on finite model predictive control (FMPC-HED) for the interior permanent magnet synchronous motor (IPMSM), aiming to reduce copper loss, iron loss, and switching loss. FMPC is selected as the controller due to its high robustness and transient performance. The equivalent circuit model (ECM) of IPMSM is used to analyze the power loss and reach the optimal current algorithm. Furthermore, the switching loss is introduced to the FMPC’s objective function to improve efficiency. The maximum voltage and current limitations have been considered in FMPC-HED to protect the drive system. The experimental results demonstrate that FMPC-HED has the ability to improve the IPMSM’s efficiency. As seen from the efficiency map, FMPC-HED can not only improve IPMSM’s efficiency but also extend its speed range with the same torque load. Hence, with the upper advantages, FMPC-HED is helpful for IPMSM’s application in the industry and daily life.KeywordsIPMSMHigh-efficiency driveFinite model predictive control (FMPC)Copper lossIron lossSwitching loss
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