Kurum Yazarı "İftar, Altuğ" Scopus İndeksli Yayınlar Koleksiyonu İçin Listeleme
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Inclusion principle for discrete-event and hybrid systems
İftar, Altuğ (IEEE, Piscataway, NJ, United States, 1997)Hybrid systems, which consist of continuous-state and discrete-state parts are considered. It is assumed that the discrete-state part of the system is event-driven. Inclusion and extension principles are first defined for ... -
Inclusion, Restriction, and Overlapping Decompositions of Neutral Systems With Distributed Time-Delay
İftar, Altuğ (Elsevier Science BV, 2016)Inclusion and restriction principles for linear time-invariant neutral distributed-time-delay systems is defined. Overlapping decompositions and expansions of such systems are then discussed. Controller design using ... -
An integrated routing and flow control algorithm for data-communication networks
İftar, Altuğ (Acta Press Anaheim, 2006)Routing and congestion control problems in data-communication networks are considered. A controller which acts both as a flow controller and a routing controller is presented. The controller is decentralized in the sense ... -
Integrated routing and flow control in highways
İftar, Altuğ (IEEE, 1997)A control algorithm which integrates routing and flow control in highways is discussed. The algorithm is based on a congestion measure. -
Intelligent control approach to decentralized routing and flow control in highways
İftar, Altuğ (IEEE, Piscataway, NJ, United States, 1997)A decentralized intelligent controller for routing in multi-destination transportation networks is presented. The controller is based on a dynamic congestion measure which was recently derived from the solution of an optimal ... -
Linear discrete-event systems and robust servomechanism problem
İftar, Altuğ (IEEE, 1998)Linear discrete-event systems are studied. Reachability, observability, controllability, constructibility, stabilizability and detectability of such systems are investigated. Stability of linear discrete-event systems is ... -
A linear programming based decentralized routing controller for congested highways
İftar, Altuğ (Pergamon-Elsevier Science LTD, 1999)A decentralized controller for dynamic routing in multidestination trasportation networks is presented. The proposed algorithm is especially suited for congested networks, where the traffic demand is close to or more than ... -
Minimax optimal control for uncertain systems
İftar, Altuğ; Özgüner, Umit (American Automatic Control Council, Green Valley, AZ, United States, 1994)The issue of performance robustness is considered in a dynamic game framework where the goal is to find a feedback controller which stabilizes the system under all plant perturbations and which minimizes the value of a ... -
Modeling and control of a two-link flexible robot manipulator
Doğan, Atakan; İftar, Altuğ (IEEE, Piscataway, NJ, United States, 1998)Modeling and control of a two-link robot manipulator, whose first link is rigid and the second one is flexible, is considered. We derive dynamic equations of the system by means of Hamilton's principle. First, PD and ... -
A necessary and sufficient condition for the stabilization of decentralized time-delay systems by time-delay controllers
Erol, H. Ersin; İftar, Altuğ (2013)It has recently been shown that a necessary and sufficient condition for the stabilization of a linear time-invariant (LTI) retarded time-delay system by LTI decentralized finite-dimensional controllers is that the system ... -
Observer-Based Stabilization of Time-Delay Systems: An Application to Diesel Engine
Özer, S. Mert; İftar, Altuğ (IEEE, 2017)Observer-based stabilization of a general class of linear time-invariant dynamic systems with time-delays is considered. A recently developed non-smooth optimization based method is used to design the observer-based ... -
On rate-based congestion control in high speed networks: Design of an H? based flow controller for single bottleneck
Özbay, H.; Kalyanaraman, S.; İftar, Altuğ (1998)Typical congestion control algorithms for high speed networks include local flow controllers at the bottleneck nodes. In this paper an H? based controller is developed for rate feedback in a single bottleneck network. The ... -
Optimization-based PV/PI Design for a DC-Motor System with Delayed Feedback
Özer, S. Mert; Yıldız, Senem; İftar, Altuğ (IEEE, 2018)Proportional velocity (PV) and proportional integral (PI) controllers are designed to regulate the angular position and angular velocity, respectively, of a DC motor system with a pointwise time-delay in the feedback loop. ... -
Overlapping Decentralized Dynamic Optimal-Control
İftar, Altuğ (Taylor & Francis LTD, 1993)An optimal dynamic output feedback controller design approach is proposed for systems which are required to have an overlapping feedback structure. Such a structure may be either imposed due to some design considerations ... -
Overlapping Decompositions and Controller Design for Neutral Distributed-time-delay Systems
İftar, Altuğ (IEEE Computer Society, 2018)Controller design using overlapping decompositions for large-scale neutral distributed-time-delay systems is considered. It is shown how an overlappingly decomposed neutral distributed-time-delay system can be expanded so ... -
Overlapping Decompositions and Decentralized Robust Control of Large-scale Systems with Distributed Time-delay
İftar, Altuğ (IEEE, 2014)Decentralized robust controller design problem for large-scale distributed-time-delay systems which consist of subsystems interconnected through another dynamic subsystem is considered. First, overlapping decompositions ... -
Overlapping decompositions and expansions of Petri nets
Aybar, Aydın; İftar, Altuğ (IEEE-Inst Electrical Electronics Engineers Inc, 2002)Overlapping decompositions and expansions are considered to design decentralized controllers for discrete-event systems (DESs) modeled, by Petri nets. The inclusion principle for Petri nets is first defined. It is shown ... -
Overlapping decompositions, expansions, contractions, and stability of hybrid systems
İftar, Altuğ; Özgüner, U (IEEE-Inst Electrical Electronics Engineers Inc, 1998)Inclusion and extension principles are defined and studied for hybrid systems, The controller design problem for hybrid systems is then considered within the framemork of the extension principle. It is shown that if the ... -
Overlappingl
Aybar, Aydın; İftar, Altuğ (IFAC Secretariat, 2002)Overlapping decompositions and expansions of discrete-event systems (DESs) modeled by automata or formal languages are considered. Inclusion principle for such systems is defined. A decentralized supervisory controller ...