Identification Of Modal Parameters Affecting
The Dynamic Performance Of CNC Machine
Tools
Author(s)
C. Pislaru, D.G. Ford & J.M. Freeman
Abstract
To compute, predict and eliminate the instantaneous errors in CNC machine
tools requires computationally fast and efficient algorithms. One important
aspect of proficient condition monitoring is the use of a mathematical model,
which adequately replicates the dynamic behaviour of the machne tool. Recent
studies established that the models of the machne tool feed drives have to
incorporate explicit damping factors in order to achieve a realistic dynamic
performance. The necessity of determining fast and accurately the modal
parameters of the model became very important. In answer to ths, a novel
application of wavelet transform for the determination of damping coefficients
and resonance states for the feed drives was developed. It is based on wavele
Keywords
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