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The study of growing CNTs with specific structure using the intelligent control MPCVD system

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

2 Scopus citations

Abstract

In order to improve the reproducibility of mutiwalled carbon nano-tubes (MWCNTs) process, this study integrates the remote monitoring and fuzzy logic control into microwave plasma chemical vapor deposition (MPCVD) system with the reflected microwave power as the main feedback signal. An automatic fuzzy logic controller is used to drive the E-H tuner and adjust the electromagnetic field distribution and plasma density of the MPCVD system. The specific micro-structure ratio of MWCNTs is a fuzzy singleton which input into fuzzy logic algorithm. An E-H tuner position adjustment of (X, Y) = (19.3 cm, 10 cm) is found to have the lowest average reflected power. At this position, the MWCNTs with averaged films thickness is 15.44 11m, the averaged tube diameter is 42 nm, and the ID/IG ratio is 1.12 for as-grown carbon nanotubes (CNTs) film.

Original languageEnglish
Title of host publication2010 IEEE International Conference on Systems, Man and Cybernetics, SMC 2010
Pages2414-2418
Number of pages5
DOIs
StatePublished - 2010
Event2010 IEEE International Conference on Systems, Man and Cybernetics, SMC 2010 - Istanbul, Turkey
Duration: 10 Oct 201013 Oct 2010

Publication series

NameConference Proceedings - IEEE International Conference on Systems, Man and Cybernetics
ISSN (Print)1062-922X

Conference

Conference2010 IEEE International Conference on Systems, Man and Cybernetics, SMC 2010
Country/TerritoryTurkey
CityIstanbul
Period10/10/1013/10/10

Keywords

  • E-H tuner
  • Fuzzy logic control
  • I/I ratio
  • MPCD
  • MWCNTs

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