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A Study on the Development of iGPS 3D Probe for RDS for the Precision Measurement of TCP  

Kim, Tae-Hwa (KOREA AVIATION POLYTECHNIC)
Moon, Sung-Ho (NIKON METROLOGY NV.)
Kang, Seong-Ho (NIKON METROLOGY NV.)
Kwon, Soon-Jae (PUKYONG NATIONAL UNIVERSITY, Dept. of Mechanical & Automotive Engineering)
Publication Information
Journal of the Korean Society of Manufacturing Process Engineers / v.11, no.6, 2012 , pp. 130-138 More about this Journal
Abstract
There are increasing demands from the industry for intelligent robot-calibration solutions, which can be tightly integrated to the manufacturing process. A proposed solution can simplify conventional robot-calibration and teaching methods without tedious procedures and lengthy training time. iGPS(Indoor GPS) system is a laser based real-time dynamic tracking/measurement system. The key element is acquiring and reporting three-dimensional(3D) information, which can be accomplished as an integrated system or as manual contact based measurements by a user. A 3D probe is introduced as the user holds the probe in his hand and moves the probe tip over the object. The X, Y, and Z coordinates of the probe tip are measured in real-time with high accuracy. In this paper, a new approach of robot-calibration and teaching system is introduced by implementing a 3D measurement system for measuring and tracking an object with motions in up to six degrees of freedom. The general concept and kinematics of the metrology system as well as the derivations of an error budget for the general device are described. Several experimental results of geometry and its related error identification for an easy compensation / teaching method on an industrial robot will also be included.
Keywords
Robotic; RDS; iGPS; R-LAT; 3D Probe;
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