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H Observer Design for Detecting Internal Oil Leakage in a Hydraulic Cylinder
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 Title & Authors
H Observer Design for Detecting Internal Oil Leakage in a Hydraulic Cylinder
Jee, Sung Chul; Kang, Hyungjoo; Lee, Mun-Jik; Li, Ji-Hong;
 
 Abstract
This paper presents the internal oil leakage detection problem for a hydraulic double-rod cylinder. We represent the dynamics of the hydraulic cylinder as a convex combination of linear equations. To detect oil leakage, we propose a model-based fault detection observer design scheme. The observer is designed to be robust against disturbance. Sufficient design conditions are derived in the form of linear matrix inequalities. A numerical example is provided to verify the proposed techniques.
 Keywords
oil leakage;fault detection;hydraulic cylinder;model-based observer;linear matrix inequality;
 Language
Korean
 Cited by
1.
편로드 유압실린더 내부 누유 검출을 위한 T—S 퍼지 모델 기반 샘플치 관측기 설계: LMI 접근법,지성철;김효곤;박정우;이문직;강형주;이계홍;

한국해양공학회지, 2016. vol.30. 5, pp.405-414 crossref(new window)
1.
T—S Fuzzy Model-based Sampled-data Observer Design for Detecting Internal Oil Leakage in Single-rod Hydraulic Cylinder: LMI Approach, Journal of Ocean Engineering and Technology, 2016, 30, 5, 405  crossref(new windwow)
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