NDLI: A robust vibration suppression controller design for space flexible structures

Content Provider	IEEE Xplore Digital Library
Author	Zhang Long Duan Guangren
Copyright Year	2012
Description	Author affiliation: Harbin Institute of Technology, 150001, China (Zhang Long; Duan Guangren)
Abstract	Being an active vibration suppression method, the positive position feedback (PPF) control has attracted great attentions to damp out the flexible space structure vibrations which make adverse impacts for spacecraft attitude pointing precision. But the robustness with respect to the inaccurate structure modal frequencies is seldom considered in PPF controller designing. In this paper, robust asymptotically stability criterions are proposed to deal with the inaccurate structure modal frequencies. According to these criterions, a robust PPF controller design method is proposed. The robust PPF controller is derived from solving a group of LMIs with adjustable parameters. These parameters describe the robustness with respect to the structure modal frequency variations and convergence velocity of the vibration modes, respectively. Properly setting these parameters can achieve a tradeoff between the robustness for the modal frequency variations and the damping performances of the structure oscillations. Finally, a simulation is presented to illustrate the effectiveness of the proposed robust PPF controller design method.
Starting Page	4020
Ending Page	4024
File Size	449329
Page Count	5
File Format	PDF
ISBN	9781457720734
e-ISBN	9781457720741
DOI	10.1109/CCDC.2012.6244641
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2012-05-23
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Vibrations Damping Space vehicles flexible structures positive position feedback Symmetric matrices Design methodology robust control Robustness Flexible structures active vibration suppression
Content Type	Text
Resource Type	Article

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