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Development of High Precision Docking Sensor for Mobile Robot  

Yoon, Nam-Il (목포대학교)
Choi, Jong-Kap (목포대학교)
Byun, Kyung-Seok (목포대학교)
Publication Information
Journal of the Institute of Convergence Signal Processing / v.12, no.4, 2011 , pp. 348-354 More about this Journal
Abstract
Mobile robots performed various missions in various environments. In order to move to target precisely, the mobile robots need a precise position sensing system In this paper, a new high precision docking sensor is proposed. Proposed docking sensor consists of linear CCD(charge coupled device) sensor and ultrasonic sensors. The docking sensor system can measure lateral position(X), longitudinal position(Y) and angle(${\theta}$) between the sensor and flat target with simple mark. Two ultrasonic sensors measure two distances which can be converted to longitudinal position and angle. Linear CCD sensor measures lateral position using center mark of the target. To verify performance of the sensor, the sensor is applied to an omnidirectional mobile robot. Several experimental results show highly precise performance of the sensor. Repeatability of the docking sensor is less than 1mm and $0.2^{\circ}$. Proposed docking sensor can be applied for precise docking of mobile robot.
Keywords
docking; ultrasonic sensor; Linear CCD sensor; mobile robot;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
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