position and speed detection 位置转速检测
A speed and position detection method for high-speed maglev train driven by long-stator synchronous linear motor, based on measuring cog-slots of the long-stator, was presented.
针对长定子直线同步电机驱动的高速磁悬浮列车，提出了采用对定子齿槽进行计数的测速定位方案。
This method can achieve the redundancy of the two sensors and, and it can be used for choosing the signal between two speed and position detection sensors. It has been validated by the experiments.
通过提取两路传感器中的正确信号，实现了传感器的冗余处理，列车实际运行实验验证所提出方法的正确性。
The theory and method of the rotor position detection and rotation speed based on absolute photoelectric encoder are introduced.
介绍了基于绝对式光电码盘的转子位置检测与转速测量的原理和方法。
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