ACCURACY IMPROVEMENT OF INDUSTRIAL SERIAL MANIPULATORS FOR MANUFACTURING APPLICATIONS

Cvitanic, Toni

Publication date

September 2021

Publisher

Georgia Institute of Technology

Abstract

Modern Industrial robots are designed to be highly repeatable (< 0.1 mm) but not as globally accurate (<2 mm). Global accuracy, however, is necessary for tasks where it is not convenient to “teach” the robot the set of poses it needs to run through to perform the task. In addition, some of these tasks, like machining, may involve high time-varying external forces which cause the robot to deflect and its accuracy to suffer further. This dissertation investigates modeling and control strategies for the purpose of improving the global accuracy of the robot for manufacturing tasks including machining. First, a comparison of stiffness modeling techniques is conducted to examine when it is important to account for the structural dynamics of the r...

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ACCURACY IMPROVEMENT OF INDUSTRIAL SERIAL MANIPULATORS FOR MANUFACTURING APPLICATIONS

Abstract

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ACCURACY IMPROVEMENT OF INDUSTRIAL SERIAL MANIPULATORS FOR MANUFACTURING APPLICATIONS

Abstract

Extracted data

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