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Task planning and action coordination in integrated sensor-based robots

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2 Author(s)
Chen, C.X. ; Div. of Strategic Inf. Syst., Pacific Bell, San Ramon, CA, USA ; Trivedi, M.M.

Intelligent robots interact with the real world by employing their advanced sensory mechanisms to perceive their environment, and using their effectors and tools to change the state of their environment. In this paper we introduce a System Architecture for Sensor-based Intelligent Robots (SASIR). The system architecture consists of perception, motor, task planner, knowledge-base, user interface and supervisor modules. SASIR is constructed using a frame data structure, which provides a suitable and flexible scheme for representation and manipulation of the world model, the sensor derived information, as well as for describing the actions required for the execution of a specific task. The experimental results show the basic validity of the general architecture as well as the robust and successful performance of two working systems: 1) the autonomous spin cleaning robotic system, and 2) ROBOSIGHT, which is capable of a range of autonomous inspection and manipulation tasks. Simulation and animation techniques were employed, in addition to the real-world testing, during the system development

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Systems, Man and Cybernetics, IEEE Transactions on  (Volume:25 ,  Issue: 4 )