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Field-Weakening Control (with MTPA) of PMSM - MathWorks

For an Interior PMSM (IPMSM), this example computes the reference and currents using the MTPA method until the base speed. For a Surface PMSM (SPMSM), the example achieves MTPA operation by using a zero d-axis reference current, until the base speed.. To operate the motor above the base speed, this example computes the reference and …

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Quadrature PLL-Based High-Order Sliding-Mode Observer …

Dec 4, 2012 · To improve performance of the field-oriented controlled position sensorless interior permanent magnet synchronous motors (IPMSM) drive, a model-based high-order sliding-mode observer with a software quadrature phase-locked loop (PLL) is proposed. A simplified method of designing the feedback gain matrix of the sliding-mode observer is …