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The analysis of fatigue property was incorporated into the research on dynamic stress of flexible robots. The relation between elastic deformations and elastic displacements of the flexible planar robot was investigated. The elastic deformations of links were calculated. The dynamic stress on any position of the links was derived. The fatigue failure due to the alternate dynamic stresses was analysed...
Based on the direct differential method, a sensitivity analysis method for the dynamic characteristic of flexible parallel robots was presented. Compared with finite difference method, the result of sensitivity is more precise. The method can also be used to estimate the numerical value of dynamic characteristic with the perturbation of design parameters, without carrying out Kineto-Elastodynamics...
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