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Time and frequency optimal motion control of CNC machine tools
Citation Link: https://doi.org/10.15480/882.1102
Other Titles
Zeit- und Frequenz-Optimale Bewegungsführung von CNC-Gesteuerten Werkzeugmaschinen
Publikationstyp
Doctoral Thesis
Date Issued
2013
Sprache
English
Author(s)
Advisor
Title Granting Institution
Technische Universität Hamburg
Place of Title Granting Institution
Hamburg
Examination Date
2013-03-27
Institut
TORE-DOI
This dissertation introduces a new approach to design time and frequency optimal motion profiles for multi-axis CNC machine tools moving along given contours. The proposed approach modifies time optimal motion profiles and uses the concept of time-scaling to locally reshape the resulting profiles in order to achieve the frequency attenuation. The reshaping process targets the path trajectories and only the dynamics of the path trajectories, i.e. the velocity, acceleration and jerk. Simulation and experimental studies showed that the new motion profiles are capable of driving the machine with any practically relevant speed and accuracy.
Subjects
CNC-Werkzeugmaschinen
Bewegungsführung
Zeitoptimal
Frequenzoptimal
Zeitskalierung
CNC machine tools
trajectory planning
frequency optimal
time optimal
time scaling
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