短系绳卫星动力学与模糊控制

2009 IEEE International Conference on Intelligent Computing and Intelligent Systems Pub Date : 2009-12-28 DOI:10.1109/ICICISYS.2009.5358306

Yingying Liu, Jun Zhou

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引用次数: 0

摘要

研究了短系绳卫星在短距离空间运行中的动态与控制问题。建立了系留卫星的动力学模型。讨论了短系绳卫星的部署方法。分析了系统开发阶段的动态特性。该卫星可以以初始速度部署到垂直方向以外的方向。考虑缆索方向精度和推进器输出特性，设计了模糊控制方案。模糊控制系统能使子卫星保持在理想方向。在发展过程中，锚索的角度与理想值相差不超过0.5°，角速度不超过0.03°/s。推进器不需要频繁工作。数值仿真验证了该系统的有效性。

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Dynamics and fuzzy control for short tethered satellite

Dynamic and control for short tethered satellite in short distance space operation is studied. The dynamic model of the tethered satellite is established. The deploy method for short tethered satellite is discussed. The dynamic characters of the system in the developing phase are analyzed. The subsatellite could be deployed to directions other than the vertical direction with an initial velocity. Fuzzy control scheme is designed considering the precision of the tether direction and the output character of the thrusters. The fuzzy control system can keep the sub-satellite in the ideal direction. The angles of the tether are within 0.5deg from the ideal values and angular velocity is within 0.03deg/s during the developing period. Thrusters do not need to work frequently. Numerical simulation testified the efficiency of the system.

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来源期刊

2009 IEEE International Conference on Intelligent Computing and Intelligent Systems

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