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Spacecraft vibration testing: Benefits and potential issues
Kolaini, Ali R.,Tsuha, Walter,Fernandez, Juan P. Techno-Press 2018 Advances in aircraft and spacecraft science Vol.5 No.2
Jet Propulsion Laboratory has traditionally performed system level vibration testing of flight spacecraft. There have been many discussions in the aerospace community for more than a decade about spacecraft vibration testing benefits or lack thereof. The benefits and potential issues of fully assembled flight spacecraft vibration testing are discussed herein. The following specific topics are discussed: spacecraft screening test to uncover workmanship problems for launch dynamics environments, force- and moment-limited vibration testing, potential issues with structural frequency identification using base shake test data, and failures related to vibration shaker testing and ways to prevent them.