Virtual holonomic constraint approach for planar bipedal walking robots extended to double support

Michael Scheint, Marion Sobotka, Martin Buss

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

16 Scopus citations

Abstract

The concept of virtual holonomic constraints is extended to the case of double support, which is characterized by a closed kinematic chain and redundancy in the state variables. An appropriate coordinate transformation is used to present the equations of motion in the coordinates of the actual degrees of freedom of the system. Virtual constraints of proper dimension lead to reduced dynamics of dimension two. The reduced dynamics is derived in a generalized way which includes previous results for the case of a single point contact. Control of the reduced dynamics is discussed in particular for the double support case. The derived concept is illustrated for a biped robot walking gait with a double support phase and an underactuated single support phase.

Original languageEnglish
Title of host publicationProceedings of the 48th IEEE Conference on Decision and Control held jointly with 2009 28th Chinese Control Conference, CDC/CCC 2009
PublisherInstitute of Electrical and Electronics Engineers Inc.
Pages8180-8185
Number of pages6
ISBN (Print)9781424438716
DOIs
StatePublished - 2009
Event48th IEEE Conference on Decision and Control held jointly with 2009 28th Chinese Control Conference, CDC/CCC 2009 - Shanghai, China
Duration: 15 Dec 200918 Dec 2009

Publication series

NameProceedings of the IEEE Conference on Decision and Control
ISSN (Print)0743-1546
ISSN (Electronic)2576-2370

Conference

Conference48th IEEE Conference on Decision and Control held jointly with 2009 28th Chinese Control Conference, CDC/CCC 2009
Country/TerritoryChina
CityShanghai
Period15/12/0918/12/09

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