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A Note on a Walking Machine Model

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Abstract

The paper continues studies intended to find out whether it is possible to create a prototype walking machine with relatively simple components. In this connection, the control problem is solved for a two-dimensional model of biped machine. It has a torso and two telescopic legs. Each leg includes a ponderable section of constant length and an imponderable section of variable length. The machine, regarded as a system with variable constraints, implements a single-stance gait (one stance leg at a time) with a step of constant duration. The contact of the swing leg with the ground is analyzed within the framework of Carnot's theorem (perfectly inelastic impact). It is assumed that the force developed in the stance leg is due to the deformation of the leg's spring and that this deformation can be controlled. An algorithm is proposed to synthesize a control system that takes into account collisions occurring at reverse of the roles of the legs. This algorithm is based on methods of optimizing periodic systems. The algorithm is compared with approaches used by other authors

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Authors and Affiliations

  1. National Academy of Sciences of Ukraine, S. P. Timoshenko Institute of Mechanics, Kiev

    V. B. Larin

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  1. V. B. Larin
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Larin, V.B. A Note on a Walking Machine Model. International Applied Mechanics 39, 484–492 (2003). https://doi.org/10.1023/A:1024991521309

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