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In this paper, an uncertain state-space model is implemented for a 3 DOF helicopter, the linear quadratic regulator (LQR) tracking control law is given and the robust tracking control law which is satisfied the request of R,Q and Hinfin is designed by means of linear matrix inequality (LMI). The results show the validity of this approach.
This paper presents a combined control scheme for flexible link robotic manipulators, which is based on considering the flexible mechanical structure as a system with slow (rigid) and fast (flexible) modes that can be controlled separately. The rigid dynamics is controlled by means of a robust sliding-mode approach with well-established stability properties while an LQR optimal design is adopted for...
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