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Ball dribbling is a central element of basketball. One main challenge for realizing basketball robots is to stabilize periodic motions of the ball. This task is nontrivial due to the discrete-continuous nature of the corresponding dynamics. The ball can be only controlled during ball-manipulator contact and moves freely otherwise. We propose a manipulator equipped with a spring that gets compressed...
We consider a 3-link planar walker with two legs and an upper body. An actuator is introduced between the legs, and the torso is kept upright by torsional springs. The model is a 3-DOF impulsive mechanical system, and the aim is to induce stable limit-cycle walking in level ground. To solve the problem, the ideas of the virtual holonomic constraints approach are explored, used and extended. The contribution...
This paper introduces a method for analytical planning of feasible hybrid periodic trajectories in nonfeedback-linearizable impulsive mechanical systems with control inputs. For a planned motion, a procedure for computation of a transverse linearization for a class of hybrid controlled mechanical systems with underactuation one is presented. The resulting linear comparison system can be used for stability...
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