Abstract

The feasibility of active and passive vibration control systems for suppressing the transfer pf orbiter vibration energy to its payload during liftoff is studied. A simple five-degree-of-freedom lump parameter model of a satellite is considered, and the performances of active and passive vibration control systems are evaluated and compared. Effectiveness of various vibration control systems for protection of the Space Shuttle payload during liftoff are analyzed. Peak responses of the satellite with active and passive vibration control systems are compared with those in the absence of vibration control systems. The results show that properly designed passive and active vibration control systems are highly effective in reducing the liftoff vibration to its payload.

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