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채교순(Kyo-Soon Chae),이동희(Dong-Hee Lee),박성만(Sung-Man Park),여운경(Un-Kyung Yeo),조윤현(Yun-Hyun Cho),허훈(Hoon Heo) 대한기계학회 2007 대한기계학회 춘추학술대회 Vol.2007 No.5
A dynamic system under random disturbance is considered in the study. In order to control the system efficiently, proper reduction of system dimension is indispensible in design stage. The reduction method using component cost analysis in conjunction with stochastic analysis is proposed for the control of a system. System response is obtained in terms of dynamic moment equation via Fokker-Plank-Kolmogorov(F-P-K) equation. The dynamic moment response of the system under random disturbance are reduced by using of deterministic version of component cost analysis. The reduced system via proposed stochastic component cost analysis is successfully implemented for dynamic response and shows remarkable control performance effectively utilizing stochastic controller in physical time domain.
이동희(Lee, Dong-Hee),박성만(Park, Sung-Man),이종복(Lee, Jong-Bok),채교순(Chae, Kyo-Soon),여운경(Yeo, Un-Kyung),허훈(Heo, Hoon) 한국소음진동공학회 2007 한국소음진동공학회 논문집 Vol.17 No.10
Recently, dynamic system has been enlarged and is normally exposed to various types of disturbance. Thus designing controller for these dynamic systems under random disturbance is not practically easy. As a result, the exact analysis for the system which is exposed to various irregular disturbance is quite important. In order to perform analysis, conventional BMR(balance model reduction) method is adopted and applied to moment equation in stochastic domain. Reliable reduced order system model has been obtained.