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9 October 1998 Framework for implementing self-organizing task-oriented multisensor networks
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Proceedings Volume 3523, Sensor Fusion and Decentralized Control in Robotic Systems; (1998)
Event: Photonics East (ISAM, VVDC, IEMB), 1998, Boston, MA, United States
Advanced manipulation skills that enable cooperating robots in a work cell to recognize, handle and assemble arbitrarily placed objects require sensory information on both the environment and the assembly process. Using standard approaches it becomes difficult to coordinate sensor usage and data fusion under a given task when the number of sensors becomes large or is changed during run-time. We present a solution to both coordination and fusion based on the multi (sensor) agent paradigm: each agent implements a sensory skill, a negotiation protocol and a physical communication interface to all other agents. Within this sensor-network teams cooperate on a common task. They are formed dynamically after a negotiation phase following a specific task formulation. Our framework consists of a formal specification of the requirements that the sensory skill of an agent has to meet and a comprehensive library of (C++)-objects encapsulating all of the negotiation protocol and communications. This separation makes it very easy to implement individual sensory skills. We show how the abstract concepts of this approach and the metaphor of `negotiation' work in a real-world network: several uncalibrated cameras are used to guide a manipulator towards a target. We also show how agent-teams may easily (self- )reconfigure during task execution in the case of unexpected events. The framework is distributed free of charge and can be obtained over the Internet at http://magic.uni-
© (1998) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Christian Scheering and Alois Knoll "Framework for implementing self-organizing task-oriented multisensor networks", Proc. SPIE 3523, Sensor Fusion and Decentralized Control in Robotic Systems, (9 October 1998);


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