基于序列二次规划的推力矢量控制分配方法

基于序列二次规划的推力矢量控制分配方法

Sequential Quadratic Programming based Thrust Vector Control Allocation

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空间控制技术与应用

李森1,2，胡军1

1.北京控制工程研究所,北京100190;
2.空间智能控制技术国家级重点实验室,北京100190

收稿日期:1900-01-01 修回日期:1900-01-01 出版日期:2009-08-26 发布日期:2009-08-26

LI Sen1,2, HU Jun1

1. Beijing Institute of Control Engineering, Beijing 100190，China;
2.National Laboratory of Space Intelligent Control，Beijing 100190，China

Received:1900-01-01 Revised:1900-01-01 Online:2009-08-26 Published:2009-08-26

摘要： 针对使用推力矢量控制的航天器，建立了游动发动机的数学模型，在分析了游动发动机摆角约束的基础上，提出了推力矢量控制分配问题。将该控制分配问题转化成以力矩误差最小和对变轨推力影响最小作为优化目标的多目标优化问题，引入序列二次规划进行求解，得到一种新的控制分配方法。仿真结果表明，该方法能够准确实现期望目标，验证了所提出的控制分配方法的可行性和有效性。

关键词:

推力矢量控制, 控制分配, 游动发动机, 序列二次规划

Abstract: This paper establishes the model of vernier thrusters for spacecrafts using thrust vector control. The thrust vector control allocation algorithm is proposed based on the analysis of the constraints of vernier thrusters. The sequential quadratic programming based thrust vector control allocation algorithm can minimize the torque errors and thrust errors. Numerical simulation shows that this method can be used to obtain preferable allocation results and the control allocation method is feasible and effective.

Key words: thrust vector control, control allocation, vernier thruster, sequential quadratic programming

中图分类号:

V448.2

李森1,2，胡军1. 基于序列二次规划的推力矢量控制分配方法[J]. 空间控制技术与应用, 2009, 35(4): 17-21.

LI Sen1,2, HU Jun1 . Sequential Quadratic Programming based Thrust Vector Control Allocation[J]. , 2009, 35(4): 17-21.

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