Fast direct optical position measurement applied to parallel kinematics machines

Kristian Schroeder; Stefan Patzelt; Gert Goch

doi:10.1117/12.580300

25 October 2004 Fast direct optical position measurement applied to parallel kinematics machines

Kristian Schroeder, Stefan Patzelt, Gert Goch

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Proceedings Volume 5602, Optomechatronic Sensors, Actuators, and Control; (2004) https://doi.org/10.1117/12.580300
Event: Optics East, 2004, Philadelphia, Pennsylvania, United States

Abstract

Parallel kinematics machines (PKM) present a promising new formation of machine kinematics. But, their application is limited due to insufficient positioning accuracy, caused by errors of the transformation model and indirect position measurements. The theoretically attainable machining accuracy of machine tools is further decreased by unsolved calibration problems, which are the most important obstacles concerning the introduction of new machine tools with parallel or hybrid kinematics. This paper presents a conceptual improvement based on a direct position measurement in Cartesian coordinates, which overcomes these problems.

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Kristian Schroeder, Stefan Patzelt, and Gert Goch "Fast direct optical position measurement applied to parallel kinematics machines", Proc. SPIE 5602, Optomechatronic Sensors, Actuators, and Control, (25 October 2004); https://doi.org/10.1117/12.580300

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