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Robustness of Independent Modal Space Control for Parameter and Modal Filter Errors
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 Title & Authors
Robustness of Independent Modal Space Control for Parameter and Modal Filter Errors
Hwang, Jai-Hyuk; Kim, Joon-Soo;
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 Abstract
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.
 Keywords
Robustness Analysis;Parameter Error;Modal Filter Error;Vibration Control;Asymptotic Stability Condition;
 Language
Korean
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