A robot control system is presented using SMC (Sliding Mode Control) as a core controller. The SMC switches according to the Pontryagin's time optimal control principle, in which the solution is obtained by using neural network approach. The control system is implemented on Chalawan, a six-degree-of-freedom autonomous underwater robot developed at Mechatronics Laboratory, AIT (Asian Institute of Technology, Pathumthani, TH). The control system can be applied to underwater robots, which have similar kind of architecture. Performance of the proposed controller is compared with various classical SMCs and conventional linear control system. The comparison detail results such as controller performance and error phase portrait are presented and analyzed. Such comparisons ensure the implementation success and prove it as a real time-optimal controller. The results also show the controller's effective capabilities in plant nonlinearity and parameters uncertainties.


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    Titel :

    Neural network based time optimal sliding mode control for an autonomous underwater robot


    Weitere Titelangaben:

    Auf einem neuronalen Netz basierende, zeitoptimale Gleitmodusregelung eines autonomen Unterwasserroboters


    Beteiligte:

    Erschienen in:

    Mechatronics ; 16 , 8 ; 471-478


    Erscheinungsdatum :

    2006


    Format / Umfang :

    8 Seiten, 13 Quellen




    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Print


    Sprache :

    Englisch




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