Pneumatic stage positioning with model following control and PDD2 control

Naoki Ito, Shinji Wakui, Yukinori Nakamura

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

This paper addresses the performance improvement of positioning for a pneumatic stage. In the positioning with proportional-derivative-double derivative (PDD2) control, the stiffness and damping of a control system can be easily adjusted. However, due to unknown parameter of a pneumatic system, there is a difficulty in achieving high repeatability of positioning. To solve this problem, model following control (MFC) is combined with the PDD2 control. Since, by using the MFC, the pressure in a chamber can track the output of a desired model, the repeatability is improved under the condition that the parameter of pneumatic system is unknown. It is shown that the desired model of a first-order lag system is appropriate for the positioning of the pneumatic stage. Furthermore, the difference between MFC and disturbance observer is discussed. The effectiveness of the proposed approach is shown by experiments on positioning.

Original languageEnglish
Pages (from-to)247-257
Number of pages11
JournalInternational Journal of Advanced Mechatronic Systems
Volume6
Issue number6
DOIs
Publication statusPublished - Feb 17 2015
Externally publishedYes

Fingerprint

Pneumatics
Derivatives
Damping
Stiffness
Control systems
Experiments

Keywords

  • Disturbance observer
  • MFC
  • Model following control
  • Pneumatic stage
  • Proportional-derivative-double derivative control

ASJC Scopus subject areas

  • Mechanical Engineering
  • Control and Systems Engineering

Cite this

Pneumatic stage positioning with model following control and PDD2 control. / Ito, Naoki; Wakui, Shinji; Nakamura, Yukinori.

In: International Journal of Advanced Mechatronic Systems, Vol. 6, No. 6, 17.02.2015, p. 247-257.

Research output: Contribution to journalArticle

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