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We are interested in vibration suppression and disturbance iso- lation for flexible structures.Spacecraft working in space need- ed stability highly in facing solar wind or others effects.In our text is put the attention in a comprehensive work from model- ing establish, open loop analysis, controller design, simulati- on to experiment. Our purpose is the overall concept and recog- nition of control region. In chapter 2, our purpose is to estab- lish the system modl. First, we have to derive the dynamic equa- tion and transformed the equation into state space form. Second- ly, driver and sensors modeled. Finally, combine allof these, then model is got.Next step is to identify the system. chaper 4 includes model simulation and open-loop analysis, strain gauge measurement output feedback implementation. Chapter 5 is to make a conclusion.
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