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A dynamic human motion: coordination analysis
Umeå University, Faculty of Science and Technology, Department of Applied Physics and Electronics.ORCID iD: 0000-0003-0730-9441
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2015 (English)In: Biological Cybernetics, ISSN 0340-1200, E-ISSN 1432-0770, Vol. 109, no 1, 47-62 p.Article in journal (Refereed) Published
Abstract [en]

This article is concerned with the generic structure of the motion coordination system resulting from the application of the method of virtual holonomic constraints (VHCs) to the problem of the generation and robust execution of a dynamic humanlike motion by a humanoid robot. The motion coordination developed using VHCs is based on a motion generator equation, which is a scalar nonlinear differential equation of second order. It can be considered equivalent in function to a central pattern generator in living organisms. The relative time evolution of the degrees of freedom of a humanoid robot during a typical motion are specified by a set of coordination functions that uniquely define the overall pattern of the motion. This is comparable to a hypothesis on the existence of motion patterns in biomechanics. A robust control is derived based on a transverse linearization along the configuration manifold defined by the coordination functions. It is shown that the derived coordination and control architecture possesses excellent robustness properties. The analysis is performed on an example of a real human motion recorded in test experiments.

Place, publisher, year, edition, pages
2015. Vol. 109, no 1, 47-62 p.
Keyword [en]
Motion coordination, Humanoid robots, Motion generators for finite-time behaviors, Underactuation, bital stabilization
National Category
Electrical Engineering, Electronic Engineering, Information Engineering
URN: urn:nbn:se:umu:diva-100966DOI: 10.1007/s00422-014-0624-4ISI: 000349405800004PubMedID: 25158624OAI: diva2:796136
Available from: 2015-03-18 Created: 2015-03-16 Last updated: 2016-02-15Bibliographically approved

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Shiriaev, Anton S.Freidovich, LeonidMettin, Uwe
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