The invention relates to the technical field of satellite attitude control, in particular to a method for determining the maximum angular momentum of a gear train with non-zero initial angular momentum. The maximum angular momentum envelope surface of the momentum wheel combination can be obtained through analytical calculation, the angular momentum output capacity of the momentum wheel combination can be effectively improved, the fast maneuvering capacity of the whole satellite and the anti-saturation capacity of the momentum wheels are improved, no numerical iteration search process exists, and compared with a search method, the calculation efficiency is high, the storage space is small, and on-satellite calculation is convenient to achieve; besides, the obtained maximum envelope surface of the angular momentum has a clear boundary, the output angular momentum of the momentum wheel with the maximum envelope characteristic can be accurately obtained according to the envelope surface, and compared with a pseudo-inverse method, the angular momentum output capability of the wheel train can be fully utilized.
本发明涉及卫星姿态控制技术领域,特别涉及一种具有非零初始角动量的轮系最大角动量确定方法。通过解析计算可以获得动量轮组合的最大角动量包络面,可有效提升动量轮组合的角动量输出能力,从而提升整星的快速机动能力和动量轮抗饱和能力,且没有数值迭代搜索过程,相较于搜索方法,计算效率高,存储量小,便于星上计算实现;另外,得到的角动量最大包络面具有清晰的边界,根据包络面可精确获得具有最大包络特性的动量轮输出角动量,相较于伪逆方法,更能充分利用轮系的角动量输出能力。
Method for determining maximum angular momentum of gear train with non-zero initial angular momentum
一种具有非零初始角动量的轮系最大角动量确定方法
2024-03-08
Patent
Electronic Resource
Chinese
IPC: | B64G Raumfahrt , COSMONAUTICS |
Multi-momentum wheel angular momentum maximum envelope calculation in-orbit implementation method
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