Reference : Robust Control Design for Spacecraft Attitude Systems with Unknown Dead Zone
Scientific congresses, symposiums and conference proceedings : Paper published in a book
Engineering, computing & technology : Electrical & electronics engineering
http://hdl.handle.net/10993/12586
Robust Control Design for Spacecraft Attitude Systems with Unknown Dead Zone
English
Jasim, Ibrahim mailto [University of Luxembourg > Faculty of Science, Technology and Communication (FSTC) > Engineering Research Unit >]
Jasim, Najah []
Nov-2011
2011 IEEE International Conference on Control System, Computing and Engineering
Yes
No
International
2011 IEEE International Conference on Control System, Computing and Engineering
25-11-2011 to 27-11-2011
IEEE
Penang
Malaysia
[en] attitude control ; deadzone ; spacecraft
[en] In this paper, we consider the challenge of controlling inherently complicated nonlinear systems accompanied by input's hard nonlinearities characterized by unknown parameters. This challenge is addressed in this paper by considering the problem of controlling the attitude of a spacecraft when unknown dead zones exist at the actuators. The spacecraft's dynamics is described by the exact form of Euler's equations of motion, allowing for the case of large angle of rotations to be considered. We propose a control scheme that ensures the spacecraft's attitude to track time-varying maneuvers with an exponential tracking error convergence and robustness to actuator dead zones uncertainties. Numerical simulation results along with the theoretical proof show that the proposed control scheme can successfully stabilize the attitude of the spacecraft and achieve the desired tracking performance.
http://hdl.handle.net/10993/12586

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