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Harmonic drive (HD) systems benefit from their high transmission ratio and extremely low transmission error, therefore, they are widely applied to robotic and space sciences. High stable HD gains pupolarity in space drive mechanism. Flexspline plays an important role in HD, however, the high stable HD has a special flexspline different from the conventional one. The requirement of weight and volume...
BIW modal optimization with traditional FEM method was inefficiency and usually with much mass increase. FEM analysis combined with Multi-objective Optimization method was used to improve the first order frequency of BIW. Mathematic model was built by response surface method to replace FEM model and NSGA-II was used to get non-dominated solutions. During the optimization plates with high relative...
Draw bead geometry parameters have a significant effect to the quality of sheet metal forming. The application of response surface method (RSM), orthogonal experiment design method (OEDM) and dynamic explicit finite element method (FEM) in the optimum design (OD) for draw bead geometry parameters used in drawing procedure of cross member panel, a benchmark of Numisheet'2005, was discussed. The comparison...
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