Hamidreza Nemati Hamidreza.Nemati@uwe.ac.uk
Lecturer in Aerospace Engineering
New Chattering Attenuation Sliding Mode Control of a Flexible Spacecraft
Nemati, Hamidreza; Hokamoto, Shinji
Authors
Shinji Hokamoto
Abstract
An improved sliding mode control (SMC) strategy for the attitude control problem of a nonlinear spacecraft with an elastic appendage is investigated. Since conventional sliding mode controllers include a discontinuous function, a significant problem called chattering can occur. In this study, a new switching function is used to minimize the effects of chattering, which will excite critical oscillations in the modal coordinate. The designed controller is derived using Lyapunov's second method, which keeps a system stable. The simulation results confirm the effectiveness of the proposed controller in tracking the attitude maneuver and damping the oscillations.
Citation
Nemati, H., & Hokamoto, S. (2014). New Chattering Attenuation Sliding Mode Control of a Flexible Spacecraft. Transactions of the Japan Society for Aeronautical and Space Sciences, 12(ists29), Pd_71-Pd_77. https://doi.org/10.2322/tastj.12.pd_71
Journal Article Type | Article |
---|---|
Acceptance Date | Jun 24, 2013 |
Online Publication Date | Jan 1, 2014 |
Publication Date | Jan 1, 2014 |
Deposit Date | Apr 21, 2020 |
Journal | Transactions of the Japan Society for Aeronautical and Space Sciences |
Print ISSN | 0549-3811 |
Electronic ISSN | 1884-0485 |
Peer Reviewed | Peer Reviewed |
Volume | 12 |
Issue | ists29 |
Pages | Pd_71-Pd_77 |
DOI | https://doi.org/10.2322/tastj.12.pd_71 |
Keywords | Sliding Mode Control, Chattering Attenuation, Switching Surface, Flexible Appendage, Modal Coordinate |
Public URL | https://uwe-repository.worktribe.com/output/5883470 |
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