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中文摘要：
内置式永磁同步电机（IPMSM）转子磁极初始位置检测准确度对电机启动性能的影响非常关键。在推导高频旋转电压注入法正序、负序响应电流基础上,提出一种利用两路新型跟踪微分器（NTD）输出信号相位差求解转子磁极初始位置的新方法。该方法无需PI调节器或龙贝格观测器,仅涉及母线电压、高频信号电角度及交、直轴电感4个参数。实验结果表明该方法可使转子磁极初始位置在4 ms内收敛到真实值附近,最大估计误差0.082 rad。
英文摘要：
Accurate detection of the initial position of rotor magnetic poles will largely influence the startup performance of interior permanent magnet synchronous motors（ IPMSM）. A new method using the phase difference of two new-type tracking differentiators（ NTD） to detect the initial position of the rotor poles is thus proposed based on the derivation of positive and negative sequence currents of high frequency rotation voltage signals. The method is needless of any PI regulator or Luenberger observer; it involves bus voltage, electrical angles of high-frequency signals, and inductances of direct and quadric axis instead. The experimental results show that the initial position of the rotor poles can be converged to a place near the true value in 4ms. The maximum detection error is 0.082 rad.
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