UM
Dynamics and control of a parallel mechanism for active vibration isolation in space station
Liu J.; Li Y.; Zhang Y.; Gao Q.; Zuo B.
2014
Source PublicationNonlinear Dynamics
ISSN0924090X
Volume76Issue:3Pages:1737
AbstractVibration in the microgravity environment is with the characteristics of low frequency, small amplitude, and randomness. Control method of an active vibration isolation system with parallel mechanism applied to space application, which is effective for disturbance suppression, is proposed. The dynamics model of active vibration isolation system with payload is represented via Kane's method, thereafter the description in state-space linearization is introduced. System properties and step responses of the systems in open loop are evaluated in detail. Controllability and observability of the system are checked by state-space equations of the system. The state feedback decoupling with double-loop proportional-integral-derivative (PID) control method is adopted as the system controller to design the decoupling matrix and the PID controller. For improving the properties of the system, a control system with H-infinity method is also designed and evaluated. Finally, various types of simulation results are demonstrated to verify the effectiveness of the active vibration damping system proposed. © 2014 Springer Science+Business Media Dordrecht.
KeywordActive vibration isolation Control method PID control Space station
DOI10.1007/s11071-014-1242-3
URLView the original
Language英语
The Source to ArticleScopus
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Cited Times [WOS]:33   [WOS Record]     [Related Records in WOS]
Document TypeJournal article
CollectionUniversity of Macau
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GB/T 7714
Liu J.,Li Y.,Zhang Y.,et al. Dynamics and control of a parallel mechanism for active vibration isolation in space station[J]. Nonlinear Dynamics,2014,76(3):1737.
APA Liu J.,Li Y.,Zhang Y.,Gao Q.,&Zuo B..(2014).Dynamics and control of a parallel mechanism for active vibration isolation in space station.Nonlinear Dynamics,76(3),1737.
MLA Liu J.,et al."Dynamics and control of a parallel mechanism for active vibration isolation in space station".Nonlinear Dynamics 76.3(2014):1737.
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