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我用 fast 角度来识别 hall 角度，我将电机拉到100转（20对级），然后根据hall 位置 记录角度，发现 同一hall位置 fast 角度变化很大，怎么处理？
建议提高转速，保证FAST能正常运行的情况，再来比较角度偏差
