The capability to recognize the operating context and to assess the situation in real-time is needed, if a high functionality autonomous mobile robot has to react properly and effectively to continuously changing situations and events, either external or internal, while the robot is performing its assigned tasks. A new approach and architecture for context recognition and situation assessment module (CORSA) is presented in this paper. CORSA is a multi-level information processing module which consists of adaptive decision and classification algorithms. It perfroms dynamic mapping from the data space to the context space, and dynamically decides on the context class. Learning mechanism is employed to update the decision variables so as to minimize the probability of misclassification. CORSA is embedded within the Mission Manager module of the intelligent autonomous hyper-controller (IAHC) of the mobile robot. The information regarding operating context, events and situation is then communicated to other modules of the IAHC where it is used to: (a) select the appropriate action strategy; (b) support the processes of arbitration and conflict resolution between reflexive behaviors and reasoning-driven behaviors; (c) predict future events and situations, and (d) determine criteria and priorities for planning, replanning, and decision making.


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    Title :

    Context recognition and situation assessment in autonomous mobile robots


    Additional title:

    Kontexterkennung und Lageeinschätzung in autonomen mobilen Robotern


    Contributors:
    Yavnai, A. (author)


    Publication date :

    1992


    Size :

    12 Seiten, 8 Bilder, 1 Tabelle, 16 Quellen





    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English




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