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你好，我在使用esmo算法观测转子角度时，发现转子角度不是线性的，而是在-180到+180之间出现几个阶梯的凸起，导致角度观测不准确，请问这可能是哪些参数的影响？
电机的转速是多少？eSMO利用估计的反EMF进行角度重建，对于低速操作可能不准确。
