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Linear state feedback regulator for rigid link manipulators

Research paper by A. A. Abouelsoud, M. A. Sultan, M. F. Hassan

Indexed on: 01 Mar '96Published on: 01 Mar '96Published in: Journal of Intelligent & Robotic Systems



Abstract

A new generic representation of the gravity vector in the rigid link robot dynamic model is proposed. We use this representation to design a linear state feedback regulator and show that the closed loop nonlinear system is globally asymptotically stable and exponentially stable in any closed ball. We exploit the fact that the gravity vector is the gradient of the potential function. We also consider robustness of the linear state feedback regulator to parameter uncertainty.