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J. Robust Nonlinear Control</a> <a href="/?q=in%3A355372" title="Articles in this Issue">26, No. 9, 1994-2007 (2016)</a>. </div> <div class="abstract">Summary: This paper is concerned with the problem of Reachable Set Estimation (RSE) for linear systems with time-varying delays and bounded peak inputs. The purpose is to find an ellipsoid that contains the system state in presence of all bounded peak inputs. First, the RSE problem for nominal time-delay systems is studied based on a relaxed Lyapunov-Krasovskii functional which does not require all the involved symmetric matrices to be positive definite. Delay-dependent and delay-rate-dependent conditions for the existence of a desired ellipsoid are obtained. Second, the RSE problem for time-delay systems with time-varying polytopic uncertainties is investigated. Under the assumption that the uncertain parameters are differentiable and their derivatives are bounded by known scalars, parameter-rate-dependent conditions for the existence of a desired ellipsoid are derived by using a parameter-dependent Lyapunov-Krasovskii functional. When the differentiability of the uncertain parameters is not taken into account, a common Lyapunov-Krasovskii functional is employed to tackle the addressed problem, and parameter-rate-independent conditions are presented. All the obtained conditions are given in terms of matrix inequalities, which become linear matrix inequalities when only one non-convex scalar is prescribed. Finally, the reduced conservatism of the obtained results in comparison with recent ones in the literature is shown through numerical examples.</div> <div class="clear"></div> <br> <div class="citations"><div class="clear"><a href="/?q=rf%3A6620566">Cited in <strong>39</strong> Documents</a></div></div> <div class="classification"> <h3>MSC:</h3> <table><tr> <td> <a class="mono" href="/classification/?q=cc%3A93B03" title="MSC2020">93B03</a> </td> <td class="space"> Attainable sets, reachability </td> </tr><tr> <td> <a class="mono" href="/classification/?q=cc%3A93C15" title="MSC2020">93C15</a> </td> <td class="space"> Control/observation systems governed by ordinary differential equations </td> </tr><tr> <td> <a class="mono" href="/classification/?q=cc%3A93C05" title="MSC2020">93C05</a> </td> <td class="space"> Linear systems in control theory </td> </tr></table> </div><div class="keywords"> <h3>Keywords:</h3><a href="/?q=ut%3Abounded+peak+inputs">bounded peak inputs</a>; <a href="/?q=ut%3Aellipsoid+state+bounding">ellipsoid state bounding</a>; <a href="/?q=ut%3Apolytopic+systems">polytopic systems</a>; <a href="/?q=ut%3Areachable+set">reachable set</a>; <a href="/?q=ut%3Atime-varying+delays">time-varying delays</a></div> <!-- Modal used to show zbmath metadata in different output formats--> <div class="modal fade" id="metadataModal" tabindex="-1" role="dialog" aria-labelledby="myModalLabel"> <div class="modal-dialog" role="document"> <div class="modal-content"> <div class="modal-header"> <button type="button" class="close" data-dismiss="modal" aria-label="Close"><span aria-hidden="true">×</span></button> <h4 class="modal-title" id="myModalLabel">Cite</h4> </div> <div class="modal-body"> <div class="form-group"> <label for="select-output" class="control-label">Format</label> <select id="select-output" class="form-control" aria-label="Select Metadata format"></select> </div> <div class="form-group"> <label for="metadataText" class="control-label">Result</label> <textarea class="form-control" id="metadataText" rows="10" style="min-width: 100%;max-width: 100%"></textarea> </div> <div id="metadata-alert" class="alert alert-danger" role="alert" style="display: none;"> <!-- alert for connection errors etc --> </div> </div> <div class="modal-footer"> <button type="button" class="btn btn-primary" onclick="copyMetadata()">Copy to clipboard</button> <button type="button" class="btn btn-default" data-dismiss="modal">Close</button> </div> </div> </div> </div> <div class="functions clearfix"> <div class="function"> <!-- Button trigger metadata modal --> <a type="button" class="btn btn-default btn-xs pdf" data-toggle="modal" data-target="#metadataModal" data-itemtype="Zbl" data-itemname="Zbl 1342.93021" data-ciurl="/ci/06620566" data-biburl="/bibtex/06620566.bib" data-amsurl="/amsrefs/06620566.bib" data-xmlurl="/xml/06620566.xml" > Cite </a> <a class="btn btn-default btn-xs pdf" data-container="body" type="button" href="/pdf/06620566.pdf" title="Zbl 1342.93021 as PDF">Review PDF</a> </div> <div class="fulltexts"> <span class="fulltext">Full Text:</span> <a class="btn btn-default btn-xs" type="button" href="https://doi.org/10.1002/rnc.3395" aria-label="DOI for “Relaxed results on reachable set estimation of time-delay systems with bounded peak inputs”" title="10.1002/rnc.3395">DOI</a> </div> <div class="sfx" style="float: right;"> </div> </div> <div class="references"> <h3>References:</h3> <table><tr> <td>[1]</td> <td class="space">Boyd, S.; 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Its items are heuristically matched to zbMATH identifiers and may contain data conversion errors. In some cases that data have been complemented/enhanced by data from zbMATH Open. 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