Abstract
This work deals with the guidance and control of a system which is composed of a disk rolling on a plane, a slender translational joint attached through its center of mass to the disk's center, and a controlled slender rod that moves along the translational joint. The translational joint is controlled in such a manner that it is always in the intersection between the disk's plane and the horizontal plane. Denote by χ the displacement between the rod's center of mass and the disk's center O. Given N points P i, i = 0,...,N−1 in the horizontal plane, N real numbers χ j, j = 0,...,N−1, a finite time interval [0, t f], and a sequence of times τ 0 = 0 < τ 1 < ... <τ N−1 = t f. Based on a dynamical model of the system, and by using the concept of path controllability, control laws are derived for the disk's tilting moment and pedalling moment, and for the force applied on the moving rod, such that [O,χ] will pass through [P j, χ j] at the time τ j, j = 0,...,N−1, respectively.
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