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Attractive Force Based on Fractional Potential in Dynamic Motion Planning for Mobile Robot

[+] Author Affiliations
Pierre Melchior, Alexandre Poty, Alain Oustaloup

Université Bordeaux 1, Talence, France

Brahim Metoui, Slaheddine Najar, Mohamed Naceur Abdelkrim

Ecole Nationale d’Ingénieurs de Gabès, Gabès, Tunisia

Paper No. DETC2007-35495, pp. 1423-1430; 8 pages
doi:10.1115/DETC2007-35495
From:
  • ASME 2007 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference
  • Volume 5: 6th International Conference on Multibody Systems, Nonlinear Dynamics, and Control, Parts A, B, and C
  • Las Vegas, Nevada, USA, September 4–7, 2007
  • Conference Sponsors: Design Engineering Division and Computers and Information in Engineering Division
  • ISBN: 0-7918-4806-X | eISBN: 0-7918-3806-4
  • Copyright © 2007 by ASME

abstract

In path planning, potential fields introduce force constraints to ensure curvature continuity of trajectories and thus to facilitate path-tracking design. In previous work, a path planning design by fractional (or generalized) repulsive potential has been developed to avoid fixed obstacles. A fractional road was determined by taking into account danger of each obstacle. Danger level of each obstacle is characterized by the fractional order of differentiation. Then a new attractive force based on fractional potential was introduced, with the aim to extend the method to dynamic obstacles characterized by fractional potential fields. In this paper a comparison between each classical attractive force is presented. Then the new attractive force based on fractional potential is introduced. Finally, this attractive force is applied on an example and compare with the Ge and Cui method which is the classical potential fields for motion planning of mobile robots in a dynamic environment.

Copyright © 2007 by ASME

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