冗余字符
The character of one-degree of freedom of reaction wheel makes the amount of associated duplicated functional components and attendant redundancy increase in multi-wheel configuration for three-axis attitude control system, consequently the mass, volume, power and cost of attitude control system increase greatly.
航天器三轴姿态控制常用的多飞轮控制方案中,反作用飞轮的单自由度动量交换属性使系统的功能重复部件和冗余件数目增多,严重影响了姿控系统的重量、体积、功耗及成本;
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