Robust attitude control for rapid multi-target tracking in spacecraft formation

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Robust attitude control for rapid multi-target tracking in spacecraft formation flying

A robust attitude tracking control scheme for spacecraft formation flying is presented.The leader spacecraft with a.rapid mobile antenna and a camera is modeled.While the camera is tracking the ground target,the antenna is tracking the follower spacecraft.By an angular velocity constraint and an angular constraint,two methods are proposed to compute the reference attitude profiles of the camera and antenna,respectively.To simplify the control design problem,this paper first derives the desired inverse system (DIS),which can convert the attitude tracking problem of 3D space into the regulator problem.Based on DIS and sliding mode control (SMC),a robust attitude tracking controller is developed in the presence of mass parameter uncertainties and external disturbance.By Lyapunov stability theory,the closed loop system stability can be achieved.The numerical simulations show that the proposed robust control scheme exhibits significant advantages for the multi-target attitude tracking of a two-spacecraft formation.水利论文;I3r4t#Hr M SB!} {

作 者: YUAN Chang-qing LI Jun-feng WANG Tian-shu BAOYIN He-xi  
作者单位:School of Aerospace,Tsinghua University,Beijing 100084,P.R.China 
刊 名:应用数学和力学(英文版)  EI SCI
英文刊名:APPLIED MATHEMATICS AND MECHANICS 
年,卷(期):2008 29(2) 
分类号:V412.4 
关键词:attitude control   formation flying   multi-body spacecraft   robust control   multi-target tracking  
机标关键词:spacecraft formation flyingattitude trackingcontrol schemeLyapunov stability theoryparameter uncertaintiesnumerical simulationssliding mode controlsystem stabilityangular velocityinverse systemcontrol designclosed loop 
基金项目:国家自然科学基金,Doctoral program of Higher Education 
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