Design and implementation of command and friction feedforward control for CNC motion controllers

Research output: Contribution to journalArticlepeer-review

40 Citations (Scopus)

Abstract

Motion controllers play a pivotal role in the development of high-performance CNC machines. Precision motion control is achieved with a control structure employing S-curve motion planning on the velocity command before interpolation, command feedforward and friction feedforward compensation. To evaluate the performance of the proposed control scheme, a servomechanism is controlled to track a circular curve in the form of nonuniform rational B-splines, where the desired motion information such as velocity and acceleration are also provided. Experimental results indicate that the proposed motion-control structure exhibits a better performance, when compared with conventional motion-control schemes.

Original languageEnglish
Pages (from-to)13-20
Number of pages8
JournalIEE Proceedings: Control Theory and Applications
Volume151
Issue number1
DOIs
Publication statusPublished - 2004 Jan 1

All Science Journal Classification (ASJC) codes

  • Control and Systems Engineering
  • Instrumentation
  • Electrical and Electronic Engineering

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