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Visual servoing with hand-eye manipulator-optimal control approach

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3 Author(s)
Hashimoto, K. ; Dept. of Syst. Eng., Okayama Univ., Japan ; Ebine, T. ; Kimura, H.

This paper proposes a control theoretic formulation and a controller design method for the feature-based visual servoing with redundant features. The linear time-invariant (LTI) formulation copes with the redundant features and provides a simple framework for controller design. The proposed linear quadratic (LQ) method can deal with the redundant features, which is important because the previous LQ methods are not applicable to redundant systems. Moreover, this LQ method gives flexibility for performance improvement instead of the very limited design parameters provided by the generalized inverse and task function controllers. Validity of the LTI model and effectiveness and flexibility of the LQ optimal controller are evaluated by real-time experiments on a PUMA 560 manipulator

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Robotics and Automation, IEEE Transactions on  (Volume:12 ,  Issue: 5 )