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This paper proposes a method based on a projected dynamic system solving optimal currents, which ensure the minimal operation loss of the motor, of control system for interior permanent magnet synchronous motor (IPMSM) for electric vehicle. First, the efficiency optimization of IPMSM is modeled as a nonlinear programmming problem with constraints. Then using variational theory and projected dynamic...
For realizing real-time efficiency optimization control of interior permanent-magnet synchronous motor (IPMSM), the optimal currents (OCs) need to be computed real-timely. This paper proposes a method based on the projected dynamic system to find the OCs. Firstly, the efficiency optimization of IPMSM was regarded as a constrained optimization problem. And then, the optimization problem is classified...
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