New direct velocity and acceleration feedforward tracking control in a retrofitted milling machine

Chin Sheng Chen*, An-Chen Lee

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

10 Scopus citations

Abstract

This paper proposes a new feedforward controller called the direct velocity and acceleration feedforward controller (DVAFF) to improve the tracking performance. The controller is adapted to both minimum phase system and nonminimum phase system and it can also take the practical driving capability of actuator and saturation of D/A converter into account by tuning their gains. Simulation and experiment results show that the proposed new DVAFF scheme can effectively improve the motion accuracy. Key words: feedforward controller, tracking performance, driving capability, tuning, motion accuracy.

Original languageEnglish
Pages (from-to)178-184
Number of pages7
JournalInternational Journal of the Japan Society for Precision Engineering
Volume33
Issue number3
StatePublished - 1 Sep 1999

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