Abstract
An optimal design method for the qusai-static folding and deployment of opposite tape-spring flexure (OTSF) hinges is presented based on the response surface method. The full factorial method is employed to design of experiments, and the qusai-static folding and deployment nonlinear analysis is obtained by ABAQUS/Explicit slover. The surrogate models of the OTSF flexure hinge are derived by the response surface method. Considering lightweight and high stability, the peak moment of quasi-static folding and deployment, and maximum Mises stress in complete folding configuration as well as mass are set as the objectives to get the optimal performances. The modified NSGA-II is used to seek for an optimal design. The relative errors of the objectives between the optimal design and the FE analysis results are less than 3.5%.
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