Brushless motor control system design based on C8051 was introduced, speed and current double close loop control was realized.
论述了基于C8051的直流无刷电机控制系统设计，实现了速度、电流的双闭环控制。
2
Attitude measurement errors of the double cone scanning infrared earth sensor caused by brushless DC motorspeed asymmetry was researched.
针对双圆锥扫描式红外地平仪因无刷直流扫描电机转速不均匀造成的姿态角测量误差进行了研究。
3
The paper introduces the main performance indexes of doublespeed three phase asynchronous motor used in electric chain hoist and the problems which occor in the test and manufacture process.