Spacecraft Attitude Tracking Based on Nonlinear Synergetic Optimal Control

摘要：

The problem of optimal attitude tracking control for a rigid spacecraft is addressed by means of synergetic control technique. As a stepping-stone, we first design an invariant manifold and construct a variable structure control (VSC) scheme. Based on the invariant manifold, the synergetic optimal control (SOC) scheme is then proposed. The Modified Rodrigues Parameter (MRP) is adopted as attitude variable due mainly to its global nonsingular description when combined with its shadow sets. Some salient features of the SOC controller are: it is shown to have optimality property with respect to a meaningful cost functional; it is robust to external disturbances; and most important, compared with standard VSC scheme, the SOC signal designed is smooth and thus free from chattering. Simulation results demonstrate the efficiency of the proposed synergetic optimal control strategy in achieving attitude tracking.

作者: Chuanjiang Li Jing Huang Guangfu Ma Zhongzhao Zhang

作者单位: Control Science and Engineering Department,Harbin Institute of Technology,Harbin,150001,China Research Center on Communications,Harbin Institute of Technology,Harbin,150001,China

会议类型: 国际会议

会议名称: The 3rd International Symposium on Systems and Control in Aeronautics and Astronautics(第三届航空航天系统与控制国际会议 ISSCAA 2010)

会议地点: 哈尔滨

会议语种:英文

页码: 7-12

在线出版日期: 2010-01-08（万方平台首次上网日期，不代表论文的发表时间）