On the base of significantly study, the control strategy, the reason of the plus torque and the methodofelimination of the plus torque was analyzed and discussed in detail.
在重点研究控制策略的基础上，对加载系统中多余力的产生及抑制方法进行了详细的分析和讨论。
2
The work principle of the motor driving airscrew is presented in the dissertation. The reasons and the methodofelimination or suppression of torque pulses produced by BLDCM are analyzed.
该论文先介绍了螺旋桨驱动电机的工作原理，分析了无刷直流电机转矩脉动产生的原因及消除或抑制方法。
3
The system starting from the theoretical teaching, dealing with maintenance method training and breakdown elimination training, carrying out an integration of usage and maintenance training.