Title: On the relative stability of closed-loop SISO dead-time systems: non-imaginary axis case
Authors: Gumussoy, Suat # ×
Issue Date: 2012
Publisher: Sage Publications Ltd
Series Title: Transactions of the Institute of Measurement and Control vol:34 issue:4 pages:411-421
Abstract: We present a numerical method to analyze the relative stability of closed-loop singleinput-single-output (SISO) dead-time systems on a given left complex half-plane for all positive delays. The well-known boundary crossing method for the imaginary axis is extended to a given vertical line stability boundary in the complex plane for these type of systems. The method allows computing the characteristic roots crossing the relative stability boundary and their corresponding delays up to a maximum predefined delay. Based on this method, we analyze the relative stability of the closed-loop system for all positive delays. Both numerical methods are effective for high-order SISO dead-time systems.
ISSN: 0142-3312
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Numerical Analysis and Applied Mathematics Section
× corresponding author
# (joint) last author

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