Yazar "İftar, Altuğ" için listeleme
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Centralized and Decentralized Robust Servomechanism Problems for Time-delay Systems
İftar, Altuğ (IEEE, 2017)Centralized and decentralized robust servomechanism problems for time-delay systems are considered. Sufficient and necessary conditions for the solvability of these problems are presented. The conditions for the two problems ... -
Centralized and decentralized supervisory controller design to enforce boundedness, liveness, and reversibility in Petri nets
Aybar, Aydın; İftar, Altuğ; Apaydın-Özkan, H (Taylor & Francis LTD, 2005)Supervisory controller design to enforce boundedness, liveness, and reversibility in Petri nets is considered. The Petri nets considered may have non-unity weight arcs and both controllable and uncontrollable transitions. ... -
Comparison of H-infinity and mu-synthesis based flow controllers for high-speed networks with multiple time delays
Ataşlar, Banu; Özbay H; İftar, Altuğ (IEEE, 2001)A flow controller design approach based on mu-synthesis is proposed. The performances of the resulting controllers and the H-infinity controllers designed based on an approach proposed earlier, are compared. -
Comparison of H? and µ-synthesis based flow controllers for high-speed networks with multiple time delays
Ataşlar, Banu; Özbay, H.; İftar, Altuğ (2001)A flow controller design approach based on µ-synthesis is proposed. The performances of the resulting controllers and the H? controllers designed based on an approach proposed earlier, are compared. -
Controller Design for Neutral Time-Delay Systems by Nonsmooth Optimization
Özer, S. Mert; İftar, Altuğ (Elsevier Science BV, 2016)Strong stabilization of linear time-invariant neutral time-delay systems is considered. A controller design algorithm based on a nonsmooth optimization approach is proposed. An initialization procedure for the non-convex ... -
Controller design to enforce boundedness, liveness and reversibility in Petri nets
Aybar, Aydın; İftar, Altuğ (Pergamon-Elsevier Science LTD, 2003)Supervisory controller design to enforce boundedness, reversibility, and liveness in ordinary Petri nets with weighted arcs is considered. Algorithms are presented to design a controller to enforce these properties ... -
Controller design to enforce boundedness, liveness, and reversibility in Petri nets
Aybar, Aydın; İftar, Altuğ (IFAC Secretariat, 2003)Supervisory controller design to enforce bouudedness. reversibility, and liveness in ordinary Petri nets with weighted arcs is considered. Algorithms are presented to design a controller to enforce these properties ... -
Controller Design Using Extension for Neutral Distributed-time-delay Systems
İftar, Altuğ (IEEE, 2017)Extension principle is first defined for neutral distributed-time-delay systems. Necessary and sufficient conditions for one such system being an extension of the other are then presented. Contractibility of controllers ... -
Conversion of rate based flow control algorithms to window based algorithms
Yelbasi, O; İftar, Altuğ (IEEE, 2004)The conversion of rate based flow control algorithms used in high-speed data communication networks to window (credit) based algorithms is considered. A rate based robust flow controller, designed using the H-infinity ... -
Çok dar boğazlı ATM ağları için akış kontrolü algoritmalarının geliştirilmesi
Munyas Elmas, İnci (Anadolu Üniversitesi, 2003)Bu tezde, başka bir çalışmada tek dar boğazlı veri iletişim ağlarında akış kontrolü için tasarlanmış olan H¥ denetleyicinin, ATM ağlarında çok dar boğazlı durum için gerçeklemesi yapılmıştır. Gerçeklemesi yapılan denetleyiciler, ... -
Deadlock Avoidance Controller Design for Timed Petri Nets Using Stretching
Aybar, Aydın; İftar, Altuğ (IEEE-Inst Electrical Electronics Engineers Inc, 2008)The recently introduced method, which was called "stretching," is extended to timed Petri nets which may have both controllable and uncontrollable transitions. Using this method, a new Petri net, called "stretched Petri ... -
Decentralised robust flow controller design for networks with multiple bottlenecks
Munyas, İnci; Yelbasi, özen; Biberovic, Enis; İftar, Altuğ; Özbay Hitay (Taylor & Francis LTD, 2009)Decentralised rate-based flow controller design in multi-bottleneck data-communication networks is considered. An H problem is formulated to find decentralised controllers which can be implemented locally at the bottleneck ... -
A decentralized control approach for transportation networks
Ataşlar, Banu; İftar, Altuğ (Pergamon Press LTD, 1999)A decentralized control approach for transportation networks to prevent traffic congestion is presented. The approach was developed by considering flow control and routing control together. The control algorithm is based ... -
Decentralized control design for interconnected discrete-event systems
Aybar, Aydın; İftar, Altuğ (Pergamon-Elsevier Science LTD, 2001)Interconnected discrete-event systems are studied in this paper. Petri nets are used to model these systems. A decentralized controller design approach, based on overlapping decompositions, is described for such systems. ... -
Decentralized control of time-delay systems
Erol, Hüseyin Ersin (Anadolu Üniversitesi, 2014)Bu tezde, zaman gecikmeli sistemler için merkezi olmayan denetleyici tasarımı ele alınmıştır. Doğrusal zamandan bağımsız (DZB) zaman gecikmeli bir sistemin merkezi olmayan zaman gecikmeli denetleyiciler ile kararlı ... -
Decentralized control strategies for dynamic routing
İftar, Altuğ; Davison, EJ (Wiley-Blackwell, 2002)The routing problem in multi-destination data Communication networks is considered. A dynamic model, Which can incorporate arbitrary. different, time-varying processing delays at different nodes, is developed to describe ... -
Decentralized controller design by continuous pole placement for commensurate-time-delay systems
Erol, H. Ersin; İftar, Altuğ (IFAC Secretariat, 2014)Decentralized controller design problem for linear time-invariant retarded commensurate-time-delay systems is considered. The continuous pole placement algorithm, which has recently been introduced for static state vector ... -
Decentralized controller design by continuous pole placement for incommensurate-time-delay systems
Erol, H. Ersin; İftar, Altuğ (2015)Decentralized controller design problem for linear time-invariant retarded incom-mensurate-time-delay systems is considered. A design approach based on the decentralized, pole assignment, algorithm, and the continuous pole ... -
Decentralized controller design by continuous pole placement for neutral time-delay systems
Erol, H. Ersin; İftar, Altuğ (SAGE Publications LTD, 2017)The stabilizing decentralized controller design problem for (possibly descriptor-type) linear time-invariant neutral time-delay systems is considered. A design approach, based on the continuous pole placement algorithm and ... -
Decentralized controller design for time-delay systems by optimization
Özer, S. M.; İftar, Altuğ (2015)Decentralized controller design problem for linear time-invariant retarded time-delay systems is considered. Algorithms, based on nonsmooth optimization and decentralized pole assignment, are developed to design decentralized ...
