优异的噪声抑制能力；有效减少变频器电磁干扰；被广泛应用于变频器，电机驱动，电梯等设备。
Excellent noise rejection; Effectively reduce electromagnetic rence inverter; Been widely used in inverter motor drives, elevators other equipment.
探讨了目前电梯门机系统存在的问题，提出了应用DSP数字信号处理技术为核心，无刷直流电机为驱动机的系统方案。
Discusses the problems existing in the door motor of elevator, puts forward the system project which takes DSP digital signal processing technology as core, DC brushless motor as driver.
门电机担负着电梯门的动力驱动，若电机过热，会加速绝缘材料老化，缩短电机的使用寿命。
The elevator door was driven by door motor. If the motor was over heated, it would speed up the ageing of insulating material and shorten the life of the motor.
电梯曳引机的转子位置辨识是电机驱动控制的前提。
The exact rotor position of the elevator traction motor is a pre-request for the driving control system.
最后，利用以上研究的驱动系统和永磁同步电机，实际组成一套电梯拖动系统。
At last, based on the research of the machine and driving system, compose a elevator driving system.
最后，利用以上研究的驱动系统和永磁同步电机，实际组成一套电梯拖动系统。
At last, based on the research of the machine and driving system, compose a elevator driving system.
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