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On-orbit identification of wrinkle states in membrane structures is a key technology for the operation of space structures with high performance and high precision. This study investigates the applicability of elastic waves for the identification of wrinkle states in membranes in both theoretical and experimental aspects. Cross-sectional changes generated by the wrinkles are focused on, and the induced dispersion characteristics of elastic wave are used for the identification of wrinkle states. The identification methodology is theoretically derived, and experimental demonstration is also presented.

Identification of Wrinkle States in Membranes Based on Dispersion of Elastic Wave