Abstract

The mechanism theory of spatial deployable structures based on the Scissor-Like-Element (SLE) is dealt with. Beginning with the motion analysis of the simple planar linkage, the motion characteristics of the deployable structure and its elements are studied step by step. Through in-depth analysis of the double rotating hinge connected by two SLEs, the mechanism theory in the constitution of elements of the deployable structure has been revealed. Through the analysis of elements of the plane deployable structure, the cylindrical deployable structure, and the spherical deployable structure, the constitution mechanism of spatial deployable structures based on the SLE has been investigated. This has important practical value for the application promotion of deployable structures in mechanical engineering, construction engineering, and the robotic engineering.

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