Application of forecasting and discrete optimal controls to a servo-damper system = 예측 제어와 이산 최적 제어 이론의 서어보 감쇠계에서의 응용

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This study deals with two control theories, forecasting control based on a time series analysis and discrete optimal output feedback control, applied to suppress the vibration of a cantilever by using a servo-damper controller. Preliminary experiments are carried out to determine the proper stochastic model for the system, where the noise to the servo-damper is the input and the vibration of the cantilever at its free end is the output. The best model is determined to be Bivariate ARV($\frac{4}{3}$) in consideration of the stability and effectiveness of the controller model. With the model determined, control schemes are derived for both forecasting and discrete optimal controls. To evaluate the performances of the two control schemes, experimental and simulation studies are performed. It is then found that forecasting control is better than discrete optimal control except for the noise sensitivity. The inherent noise sensitivity of forecasting control is examined and a remedy is suggested.
Advisors
Lee, Chong-Wonresearcher이종원researcher
Description
한국과학기술원 : 기계공학과,
Publisher
한국과학기술원
Issue Date
1983
Identifier
63943/325007 / 000803501
Language
eng
Description

학위논문(석사) - 한국과학기술원 : 기계공학과, 1983.2, [ vi, 76 p. ]

URI
http://hdl.handle.net/10203/43923
Link
http://library.kaist.ac.kr/search/detail/view.do?bibCtrlNo=63943&flag=dissertation
Appears in Collection
ME-Theses_Master(석사논문)
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