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卫星或宇宙飞船在太空中需要精确定位 ,动量轮是卫星或宇宙飞船姿态控制的关键部件 .每个宇宙飞船上有三个或四个动量轮 ,这些动量轮虽然体积小 ,但是其角动量占宇宙飞船总角动量的绝大部分 .动量轮实质上就是电机的转子 ,它具有很高的转动惯量 .在适当的时间 ,启动或停止三个电机就能够控制宇宙飞船的姿态 .我们已经研制了一个小的动量轮模型 ,该模型重量轻、结构紧凑 ,而且能效高 .动量轮模型的主要创新点是使用了高温超导磁悬浮轴承 ,因此 ,它具有摩擦力小 ,转速高 ,储存动量大的特点 .动量轮模型的最大设计转速为15 ,0 0 0RPM ,储存的角动量为 3.5J·s- 1.
Satellites or spacecraft need precise positioning in space, the momentum wheel is a satellite or spacecraft posture control key components.Each spacecraft has three or four momentum wheels, the momentum wheel, although small in size, but its angular momentum of the spacecraft The vast majority of total angular momentum. Momentum wheel is essentially the motor rotor, it has a high moment of inertia. At the appropriate time, start or stop the three motors will be able to control the attitude of the spacecraft.We have developed a small The model is lightweight, compact and energy-efficient.The main innovation of the momentum wheel model is the use of high-temperature superconducting magnetic bearings, so it has the characteristics of small friction, high speed and large storage momentum. The maximum design speed of the momentum wheel model is 15,000 RPM and the stored angular momentum is 3.5J · s -1.