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A soluble walking model for a two-legged robot

2022-07-12 18:02:58
Rui Dilão, Nuno Teixeira

Abstract

We present a soluble biped walking model based on an inverted pendulum with two massless articulated legs capable of walking on uneven floors and inclined planes. The stride of the two-legged robot results from the pendular motion of a standing leg and the articulated motion of a trailing leg. Gaiting is possible due to the alternating role of the legs, the standing and the trailing leg, and the conservation of energy of the pendular motion. The motion on uneven surfaces and inclined planes is possible by imposing the same maximal opening angle between the two legs in the transition between strides and the adaptability of the time of each stride. This model is soluble in closed form and is reversible in time, modelling different types of biped motion. Several optimisation results for the speed of gaiting as a function of the robot parameters have been derived.

Abstract (translated)

URL

https://arxiv.org/abs/2207.05774

PDF

https://arxiv.org/pdf/2207.05774.pdf


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