This paper presents an autonomous navigation system for a hydraulically driven hexapod robot COMET-IV. This work aims to improve the capabilities and increase autonomy of the robot by improving mapping technique for unknown environment, obstacle avoidances, and leg motion control assistance using a laser range finder (LRF) 3D point clouds data. In the previous research, the Grid-based Walking Trajectory for Legged Robot (GWTLR) algorithm, in which the A* algorithm and Growing Obstacle methods are referenced, was developed (Molfino et al. J Ind Rob 2:163–170, 2005) and successfully applied to the COMET-IV, for avoiding obstacles. In this work, the capabilities of the legged robot to cross over, step on, ascending and descending a cliff are capitalized by reconditioning leg swing trajectory based on obstacles geometric. Experimental results of the proposed methods show that the trajectory planning can be done autonomously under the unknown environment. Therefore, the proposed methods were proven to be highly potential to be applied as a part of the overall system for actual stochastic terrain navigation.


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    Titel :

    LRF Assisted Autonomous Walking in Rough Terrain for Hexapod Robot COMET-IV


    Weitere Titelangaben:

    Intelligent Systems, Cont. (formerly: Microprocessor)


    Beteiligte:
    Nonami, Kenzo (Herausgeber:in) / Kartidjo, Muljowidodo (Herausgeber:in) / Yoon, Kwang-Joon (Herausgeber:in) / Budiyono, Agus (Herausgeber:in) / Daud, M. R. (Autor:in) / Nonami, K. (Autor:in) / Irawan, A. (Autor:in)


    Erscheinungsdatum :

    2013-03-16


    Format / Umfang :

    13 pages





    Medientyp :

    Aufsatz/Kapitel (Buch)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch




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