Flow disturbance compensation based on off-line estimated signal for a pneumatic isolation table

Habiburahman Shirani, Yukinori Nakamura, Shinji Wakui

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

The flow disturbance to a pneumatic vibration isolation table causes periodic fluctuation of the table. In current study, one cycle of flow disturbance is estimated offline using a disturbance observer. The time series data of one cycle estimated disturbance is then stored in the memory of digital signal processor. The program codes are prepared which can detect every cycle of the flow disturbance based on the threshold of table position. The estimated signal is then repeatedly injected from the memory through a compensator to the servo valve to suppress table fluctuation due to periodic actual flow disturbance. The effectiveness of this method is demonstrated by experimental results.

Original languageEnglish
Pages (from-to)498-505
Number of pages8
JournalJournal of Advanced Mechanical Design, Systems and Manufacturing
Volume7
Issue number4
DOIs
Publication statusPublished - 2013
Externally publishedYes

Fingerprint

Pneumatics
Data storage equipment
Digital signal processors
Time series
Compensation and Redress

Keywords

  • Estimated Disturbance
  • Flow Disturbance
  • Pneumatic Isolation Table
  • Supplied Air

ASJC Scopus subject areas

  • Industrial and Manufacturing Engineering
  • Mechanical Engineering

Cite this

Flow disturbance compensation based on off-line estimated signal for a pneumatic isolation table. / Shirani, Habiburahman; Nakamura, Yukinori; Wakui, Shinji.

In: Journal of Advanced Mechanical Design, Systems and Manufacturing, Vol. 7, No. 4, 2013, p. 498-505.

Research output: Contribution to journalArticle

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