A Composite Robust Fault-Tolerant Control Scheme for Limited-Thrust Spacecraft Rendezvous in Near-Circular Orbits

[+] Author and Article Information
Neng Wan

Department of Mathematics and Statistics, University of Minnesota Duluth, Duluth, Minnesota, USA 55812

Weiran Yao

School of Astronautics, Harbin Institute of Technology, Harbin 150001, China

Mingming Shi

Faculty of Mathematics and Natural Sciences, University of Groningen, 9747 AG Groningen, Netherlands

1Corresponding author.

ASME doi:10.1115/1.4037211 History: Received June 16, 2016; Revised May 31, 2017


External perturbations and actuator faults are two practical and significant issues that deserve designers' considerations when synthesizing the controllers for spacecraft rendezvous. With these constraints, a composite robust fault-tolerant control scheme, which consists of an integral sliding mode (ISM) auxiliary controller and a guaranteed cost fault-tolerant controller, is proposed in this paper for thrust-limited rendezvous in near-circular orbits. External disturbances are attenuated by a reliable ISM auxiliary controller; while an improved guaranteed cost fault-tolerant controller is adopted to stabilize the nominal rendezvous system with actuator faults. Comparisons with previous works as well as a more practical and challenging simulation example are presented to verify the advantages of our composite control scheme.

Copyright (c) 2017 by ASME
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