Design of Observers for Positive Systems With Delayed Input and Output Information

This brief is concerned with a new problem of synthesizing linear functional observers for positive systems subject to input and output delays. Without instantaneous information, the synthesized functional observers exclusively use delayed input and output measurements to estimate the functional sta...

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Bibliographic Details
Published inIEEE transactions on circuits and systems. II, Express briefs Vol. 67; no. 1; pp. 107 - 111
Main Authors Huynh, Van Thanh, Arogbonlo, Adetokunbo, Trinh, Hieu, Oo, Amanullah Maung Than
Format Journal Article
LanguageEnglish
Published New York IEEE 01.01.2020
The Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subjects
Circuits and systems
Convexity
delayed input
delayed output
Delays
Mathematical model
Monitoring
Observers
Optimization
positive linear functional observers
positive observers
Positive systems
positive time-delay systems
State vectors
Symmetric matrices
Synthesis
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ISSN1549-7747
1558-3791
DOI10.1109/TCSII.2019.2900731

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Summary:This brief is concerned with a new problem of synthesizing linear functional observers for positive systems subject to input and output delays. Without instantaneous information, the synthesized functional observers exclusively use delayed input and output measurements to estimate the functional state vector. The designed observers of the same order as the functional state vector are guaranteed nonnegative and stable. Furthermore, conditions for the establishment of the linear positive functional observers are formulated in terms of convex programming. Numerical examples are carried out to demonstrate the proposed design method.
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ISSN:1549-7747
1558-3791
DOI:10.1109/TCSII.2019.2900731