空间控制技术与应用2023，Vol.49Issue(6)：47-57,11.DOI:10.3969/j.issn.1674-1579.2023.06.005
在轨组装卫星自适应姿态控制
Adaptive Attitude Control for On-Orbit Assembled Satellites
摘要
Abstract
Combining the characteristics of redundant configuration of attitude sensors and unknown inertia parame-ters of the on-orbit assembled satellites,in order to suppress the influence of sensor measurement errors and param-eter uncertainty disturbance on satellite attitude,firstly a gyroscope/GPS/star sensor multi-sensor federal filtering algorithm is established and the residual chi-square test method is used to achieve the detection,isolation and re-construction of sensor faults,by which the attitude determination precision and result reliability are improved.On this basis,the parameter identification algorithm is used to estimate the assembly satellite inertia parameters,and the adaptive fixed-time sliding mode control algorithm is proposed to improve the control precision of the sliding mode control under unknown disturbance and reduce the parameter selection range to attenuate the chattering phe-nomenon.Finally,the algorithm effectiveness is verified by numerical simulation,and the attitude precision and at-titude stability of the assembled satellite are within 0.000 2° and 0.000 3(°)/s,respectively,indicating that the proposed algorithm can achieve high precision and high stability attitude control of the assembled satellites.关键词
自适应固定时间滑模控制/联邦滤波/在轨组装卫星Key words
adaptive fixed-time sliding mode control/federal filtering/on-orbit assembled satellite分类
航空航天引用本文复制引用
钱晓莱,王瀚霆,王小琰,郭禹辰,赵亚涛..在轨组装卫星自适应姿态控制[J].空间控制技术与应用,2023,49(6):47-57,11.基金项目
上海航天科技创新基金资助项目(SAST2020-023)Supported by Shanghai Aerospace Science and Technology Innovation Fund(SAST2020-023) （SAST2020-023）
