在定向井轨迹控制中，方位控制是个棘手问题。
The control of azimuth is a knotty problem in controlling directional well trace.
实现了用直流力矩电机在反作用飞轮控制方式下对气球吊篮的方位控制。
DC torque motor under the reaction flywheel control mode was used in nacelle azimuth control in this paper.
实现了用直流力矩电机在反作用飞轮控制方式下对气球吊篮的方位控制。
Reaction wheel is one of the main disturbance sources that affect the precision of attitude control system of spacecraft.
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