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파라메터오차 및 모달필터오차에 대한 독립모달공간 제어기법의 강인성 해석
황재혁,김준수,Hwang, Jai-Hyuk,Kim, Joon-Soo 대한기계학회 1996 大韓機械學會論文集A Vol.20 No.11
In this study, the effect of parameter and modal filter errors on the vibration control characteristics of flexible structures is analyzed for IMSC ( Independent Modal Space Control). If the control force is designed on the basis of the mathematical model with the parameter and modal filter errors, the closed-loop performance of the vibration control system will be degraded depending on the magnitude of the errors. An asymptotic stability condition of the system with parameter and modal filter errors has more significant effect on the stability condition of the system with parameter and modal filter errors has been drived using Lyapunov approach. It has been found that modal filter error has more significant effect on the stability of closed-loop system than parameter error does. The extent of the response deviation of the closed-loop system is also derived and evaluated using operator thchniques.