The neuromechanics of animal locomotion: From biology to robotics and back

Robotics and neuroscience are sister disciplines that both aim to understand how agile, efficient, and robust locomotion can be achieved in autonomous agents. Robotics has already benefitted from neuromechanical principles discovered by investigating animals. These include the use of high-level commands to control low-level central pattern generator-like controllers, which, in turn, are informed by sensory feedback. Reciprocally, neuroscience has benefited from tools and intuitions in robotics to reveal how embodiment, physical interac-tions with the environment, and sensory feedback help sculpt animal behavior. We illustrate and discuss exem-plar studies of this dialog between robotics and neuroscience. We also reveal how the increasing biorealism of simulations and robots is driving these two disciplines together, forging an integrative science of autonomous behavioral control with many exciting future opportunities.

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Auke Ijspeert, Pavan P Ramdya
2023
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https://infoscience.epfl.ch/record/303631?ln=fr

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Locomotion

En physiologie, la locomotion est la faculté, pour un organisme vivant, de se mouvoir pour se déplacer. Des contraintes sont exercées sur ces organismes suivant le milieu, terrestre, aérien ou aquatique, dans lesquels ils se meuvent. La fonction locomotrice se traduit par un ensemble de mouvements qui entraînent le déplacement de l'être vivant : la progression quadrupède, bipède et apode, dont la reptation, en milieu terrestre, diverses formes de nage et de propulsion en milieu aquatique (système de propulsion par réaction des calmars) et les vols planés ou battus en milieu aérien.

Terrestrial locomotion

Terrestrial locomotion has evolved as animals adapted from aquatic to terrestrial environments. Locomotion on land raises different problems than that in water, with reduced friction being replaced by the increased effects of gravity. As viewed from evolutionary taxonomy, there are three basic forms of animal locomotion in the terrestrial environment: legged – moving by using appendages limbless locomotion – moving without legs, primarily using the body itself as a propulsive structure.

Aquatic locomotion

Aquatic locomotion or swimming is biologically propelled motion through a liquid medium. The simplest propulsive systems are composed of cilia and flagella. Swimming has evolved a number of times in a range of organisms including arthropods, fish, molluscs, amphibians, reptiles, birds, and mammals. Swimming evolved a number of times in unrelated lineages. Supposed jellyfish fossils occur in the Ediacaran, but the first free-swimming animals appear in the Early to Middle Cambrian.