Sun-Li Wu

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In this paper, a new singularity control method for a fully parallel robot manipulator is proposed. The damped least-square method has frequently been used to solve the singularity problem of resolved-acceleration control schemes. It works by damping accelerations of the end-effector, so that accelerations in the degenerated directions are zero at a(More)
ⅷ ⅷ ⅷ ⅷ ⅷ ⅷ ⅷ ⅷ ⅷ ⅷ ⅷ ⅷ ⅷ ⅷ ⅷ ⅷ ⅷ ⅷ ⅷ ⅷ ⅷ ⅷ ⅷ ⅷ ⅷ ⅷ ⅷ ⅷ ⅷ ⅷ ⅷ ⅷ ⅷ ⅷ ⅷ U This paper points out that the stability analysis of the hybrid-damped resolved-acceleration control in our earlier work is incomplete, since the stability was concluded directly from the fact that the joint velocities come to rest as time approaches infinity. A similar incomplete(More)
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