Data-driven model-free adaptive attitude control of partially constrained combined spacecraft with external disturbances and input saturation

被引:27
作者
Gao, Han [1 ]
Ma, Guangfu [1 ]
Lyu, Yueyong [1 ]
Guo, Yanning [1 ]
机构
[1] Harbin Inst Technol, Dept Control Sci & Control Engn, Harbin 150001, Heilongjiang, Peoples R China
基金
中国国家自然科学基金;
关键词
Attitude control; Combined spacecraft; Data-driven control; Discrete Extended State Observer (DESO); Input saturation; TAKEOVER CONTROL; CONTROL DESIGN; POST-CAPTURE; TARGET; POSTCAPTURE;
D O I
10.1016/j.cja.2019.01.018
中图分类号
V [航空、航天];
学科分类号
08 ; 0825 ;
摘要
This study presents an improved data-driven Model-Free Adaptive Control (MFAC) strategy for attitude stabilization of a partially constrained combined spacecraft with external disturbances and input saturation. First, a novel dynamic linearization data model for the partially constrained combined spacecraft with external disturbances is established. The generalized disturbances composed of external disturbances and dynamic linearization errors are then reconstructed by a Discrete Extended State Observer (DESO). With the dynamic linearization data model and reconstructed information, a DESO-MFAC strategy for the combined spacecraft is proposed based only on input and output data. Next, the input saturation is overcome by introducing an anti-windup compensator. Finally, numerical simulations are carried out to demonstrate the effectiveness and feasibility of the proposed controller when the dynamic properties of the partially constrained combined spacecraft are completely unknown. (C) 2019 Chinese Society of Aeronautics and Astronautics. Production and hosting by Elsevier Ltd.
引用
收藏
页码:1281 / 1293
页数:13
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