Abstract
AbstractIn this paper, an improved energy dissipation controller is presented for overhead cranes. Our main contribution is the characterization of overhead cranes for which energy shaping method yields a significant storage function, where a nonlinear coupling controller is delivered that drastically increases the damping of the control system. Additional terms are fabricated to assure a soft start and a limited overshoot. In the frame of the Lyapunov theory, we apply LaSalle's invariance principle to illustrate the corresponding stability. Such a controller is experimented and some results are reported.
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