궤환 제어를 이용한 시스템 규명System identification using the feedback loop

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Identification of systems operating in closed loop has long been of prime interest in industrial applications. The fundamental problem with closed-loop data is the correlation between the unmeasurable noise and the input. This is the reason why several methods that work in open loop fail when applied to closed-loop data. The prediction error based approaches to the closed-loop system are divided to direct method and indirect method. Both of direct and indirect methods are known to be applied to the closed-loop data without critical modification. But the direct method induces the bias error in the experimental frequency response function and this bias error may deteriorates the parameter estimation performance
Publisher
한국소음진동공학회
Issue Date
2001
Language
KOR
Citation

한국소음진동공학회 2001년 추계학술대회, v.1, pp.409 - 412

URI
http://hdl.handle.net/10203/137758
Appears in Collection
ME-Conference Papers(학술회의논문)
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