Abstract:Abstract. Pose error is one of the key performance factors for parallel mechanisms. This paper deals with sensitivity analysis of pose error of a 3-PPPS pose alignment for large components. First, the total differential method was taken to deduce the relationship between original errors and pose errors of the moving platform based on a parallel mechanism. Then, the sensitivity of original errors of the parallel mechanism to errors of the moving platform was expressed. Finally, the effects of the moving platfor… Show more
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