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Numerical synthesis of three-dimensional gait cycles by dynamics optimization

Published online by Cambridge University Press:  07 July 2010

Tarik Saidouni
Tarik Saidouni*
Affiliation:
Laboratory of Structure Mechanics, Polytechnics Military School, BP 17 Bordj El Bahri 16046, Algiers, Algeria
*
*Corresponding author. E-mail: Tarik.Saidouni@gmail.com
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Summary

The present paper aims at generating three-dimensional cyclic gait of a biped with a locomotion system having anthropomorphic characteristics. Kinematic and dynamic models of both single and double support phases are extensively developed with a special attention devoted to the double support phase. A variety of gait constraints defining a feasible walk is taken into account. Joint trajectories are approximated by cubic spline functions connected at uniformly distributed knots. Joint coordinates at knots, walking phase durations, and independent parameters at phase transitions are the design parameters of a parametric optimization problem. Therefore, only the pattern organization and the gait speed are explicitly specified. The effectiveness of the proposed method is verified and discussed through some simulation results.

Keywords

3D-gait synthesisWalking dynamicsAnthropomorphic bipedParametric optimization
Type
Article
Information
Robotica , Volume 29 , Issue 3 , May 2011 , pp. 445 - 459
Copyright
Copyright © Cambridge University Press 2010

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