DocumentCode :
2527157
Title :
Position estimation of mobile robots with internal and external sensors using uncertainty evolution technique
Author :
Watanabe, Yutaka ; Yuta, Shin´ichi
Author_Institution :
Inst. of Inf. Sci. & Electron., Tsukuba Univ., Japan
fYear :
1990
fDate :
13-18 May 1990
Firstpage :
2011
Abstract :
A wheeled mobile robot on a flat plane can estimate its current location and orientation from the cumulative wheel rotation (dead reckoning). The method, however, has the drawback that estimation errors are accumulated as the robot moves, and the accuracy of estimation decreases. To address this problem, a positioning technique using an external sensor is needed. The authors propose a more general positioning method whereby the robot can act autonomously and move along a path unlimited by positioning. The robot can modify the position estimated by dead reckoning by repeating low-level sensing asynchronously and intermittently. This method uses not only the estimated position data but also the accuracy of the dead reckoning and the external sensor effectively
Keywords :
mobile robots; position control; position measurement; dead reckoning; external sensors; intermittent asynchronous sensing; internal sensors; low-level sensing; position estimation; uncertainty evolution technique; wheeled mobile robot; Current measurement; Dead reckoning; Estimation error; Information science; Mobile robots; Motion control; Position measurement; Robot sensing systems; Uncertainty; Wheels;
fLanguage :
English
Publisher :
ieee
Conference_Titel :
Robotics and Automation, 1990. Proceedings., 1990 IEEE International Conference on
Conference_Location :
Cincinnati, OH
Print_ISBN :
0-8186-9061-5
Type :
conf
DOI :
10.1109/ROBOT.1990.126301
Filename :
126301
Link To Document :
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