A novel robust H∞ fuzzy state feedback plus state-derivative feedback controller design for nonlinear time-varying delay systems

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Publication Details

Author list: Ruangsang S., Assawinchaichote W.

Publisher: Hindawi

Publication year: 2019

Volume number: 31

Issue number: 10

Start page: 6303

End page: 6318

Number of pages: 16

ISBN: 9781728121741

ISSN: 0146-9428

eISSN: 1745-4557

URL: https://www.scopus.com/inward/record.uri?eid=2-s2.0-85073876087&doi=10.1109%2fICESI.2019.8863025&partnerID=40&md5=8d52d0d4b9a2b460c09e52b1799c7506

Languages: English-Great Britain (EN-GB)

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Abstract

This research develops diffusion equation to describe behavior of the 99mTc-ECD diffusion in epileptic patient's brain SPECT image over time. The equation was approximated the numerical solution at steady state by central difference approximation. Then they were compared with the real data around interested point that may be epileptogenic by relative error. In the result, the rate constant of 99mTc-ECD diffusion in brain area D1= 1. 10657 unit2/min and the rate constant of 99mTc-ECD diffusion in ventricle area D2=1 unit2/min that has relative error around 26.81%. The numerical solution show the 99mTc-ECD diffusion in brain SPECT image is homogeneous diffusion. ฉ 2019 IEEE.

Keywords

99mTc-ECD, SPECT image