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A kind of redundant actuation parallel mechanism with eight sub-chains is proposed and analyzed in this article. Output kinematic characteristics of the moving platform are analyzed by degree-of-freedom method and redundant degree-of-freedom number is analyzed. The moving platform of this redundant parallel mechanism can fulfill a six degree-of-freedom motion while the number of needed input variables...
For common parallel mechanisms, outputs are often coupled strongly with inputs. Redundant input parallel mechanism has more inputs than usual and which makes it much more complex. Parallel mechanism is very fit for vibration platform for its high acceleration and rigidity. While acceleration estimation of the moving platform is influenced by many factors, such as mechanism parameters, type structure...
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