Based on the thought of salient pole tracking, the paper studied the application of this method in sensorless control of PMSM in detail.
基于凸极跟踪的思想，详细讨论了高频电压信号注入法在永磁同步电动机无位置传感器运行控制中的应用。
He added that he thought many drivers would fail the licensing process and that he was wary of the GPS tracking devices the new law says must be installed on their vehicles as a safety measure.
他接着表示会有很多司机通不过审批程序，并称自己对新规定以安全为由要求车辆必须安装GPS追踪设备怀有戒心。
He added that he thought many drivers would fail the licensing process and that he was wary of the GPS tracking devices the new law says must be installed on their vehicles as a safety measure.
他接着表示会有很多司机通不过审批程序，并称自己对新规定以安全为由要求车辆必须安装GPS追踪设备怀有戒心。
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