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Position estimation of mobile robots based on coded infrared signal transmission

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2 Author(s)
Eren, H. ; Sch. of Electr. & Comput. Eng., Curtin Univ. of Technol., Bentley, WA, Australia ; Chun Che Fung

A system based on coded infrared signal transmission for the estimation of position of mobile robots in a structured environment is reported. Particular emphasis is placed on the polar coordinate arrangement in which signals are sent from the transmitters situated at the corners of the boundaries of operation. A multisensor system, strategically situated onboard the robot, has been found to improve the accuracy of the position estimation substantially. The information detected by the sensors is suitably processed to calculate the central position of the robot geometrically. The algorithms for the position calculations and the operational strategy are presented. This system forms the basis for the coordination and cooperation philosophy of multiple mobile robots sharing the same environment and performing cooperative or competitive tasks

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Instrumentation and Measurement, IEEE Transactions on  (Volume:46 ,  Issue: 6 )