궤환 모델 개선법을 위한 모드 분리 제어기Mode-decoupling Controller for Feedback Model Updating

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A novel concept of feedback loop design for modal test and model updating is proposed. This method uses the closed-loop natural frequency information for parameter modification to overcome the problems associated with the conventional method employing the modal sensitivity matrix. To obtain new modal information from closed-loop system, controllers should be effective in changing modal data while guaranteeing the stability of closed-loop system. But it is very hard to guarantee the stability of the closed-loop system with non-collocated sensor and actuator set. In this research, we proposed a controller called mode-decoupling controller that can change a target mode as much as the designer wants guaranteeing the stability of closed-loop system. This controller can be computed Just using measured open-loop modeshape matrix. A simulation based on time domain input/output data is performed to check the feasibility of proposed control method.
Publisher
한국소음진동공학회
Issue Date
2004-10
Language
Korean
Citation

한국소음진동공학회논문집, v.14, no.10, pp.955 - 961

ISSN
1598-2785
URI
http://hdl.handle.net/10203/80087
Appears in Collection
ME-Journal Papers(저널논문)
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