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An Improved Path-Generating Regulator for Two-Wheeled Robots to Track the Circle/Arc Passage

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  • Jun Dai
  • Naohiko Hanajima
  • Toshiharu Kazama
  • Akihiko Takashima

Abstract

The improved path-generating regulator (PGR) is proposed to path track the circle/arc passage for two-wheeled robots. The PGR, which is a control method for robots so as to orient its heading toward the tangential direction of one of the curves belonging to the family of path functions, is applied to navigation problem originally. Driving environments for robots are usually roads, streets, paths, passages, and ridges. These tracks can be seen as they consist of straight lines and arcs. In the case of small interval, arc can be regarded as straight line approximately; therefore we extended the PGR to drive the robot move along circle/arc passage based on the theory that PGR to track the straight passage. In addition, the adjustable look-ahead method is proposed to improve the robot trajectory convergence property to the target circle/arc. The effectiveness is proved through MATLAB simulations on both the comparisons with the PGR and the improved PGR with adjustable look-ahead method. The results of numerical simulations show that the adjustable look-ahead method has better convergence property and stronger capacity of resisting disturbance.

Suggested Citation

  • Jun Dai & Naohiko Hanajima & Toshiharu Kazama & Akihiko Takashima, 2014. "An Improved Path-Generating Regulator for Two-Wheeled Robots to Track the Circle/Arc Passage," Mathematical Problems in Engineering, Hindawi, vol. 2014, pages 1-13, July.
    • Handle: RePEc:hin:jnlmpe:254503
    DOI: 10.1155/2014/254503
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