Optimal fault tolerant control of flexure jointed hexapods for applications requiring less than six degrees of freedom
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When less than 6 degrees-of-freedom (DOF) are required (in precision pointing tasks, for example), the kinematic redundancy of a Stewart platform (or hexapod) makes it possible to implement fault tolerant algorithms. When one or several of the platform legs (struts) fail, methods are presented in this paper for finding a new, reconfigured control to maintain performance.
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