Articles with "directed graphs" as a keyword



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Specified-time coordination control algorithms of multiple harmonic oscillators over directed graphs

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Published in 2017 at "Nonlinear Dynamics"

DOI: 10.1007/s11071-017-3873-7

Abstract: This paper investigates distributed specified-time coordination consensus and containment control problems for multiple harmonic oscillators over directed graphs. First, by using Pontryagin’s maximum principle, a class of specified-time control algorithms are designed for multiple harmonic… read more here.

Keywords: control; time; specified time; multiple harmonic ... See more keywords
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Definability in the Embeddability Ordering of Finite Directed Graphs, II

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Published in 2019 at "Order"

DOI: 10.1007/s11083-018-9467-2

Abstract: We deal with first-order definability in the embeddability ordering (D;≤)$(\mathscr{D}; \leq )$ of finite directed graphs. A directed graph G∈D$G\in \mathscr{D}$ is said to be embeddable into G′∈D$G^{\prime } \in \mathscr{D}$ if there exists an… read more here.

Keywords: order; first order; definability embeddability; finite directed ... See more keywords
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Packing, counting and covering Hamilton cycles in random directed graphs

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Published in 2017 at "Israel Journal of Mathematics"

DOI: 10.1007/s11856-017-1518-7

Abstract: A Hamilton cycle in a digraph is a cycle that passes through all the vertices, where all the arcs are oriented in the same direction. The problem of finding Hamilton cycles in directed graphs is… read more here.

Keywords: hamilton; random directed; packing counting; hamilton cycles ... See more keywords
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Generation of Signed Directed Graphs Using Functional Models

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Published in 2019 at "IFAC-PapersOnLine"

DOI: 10.1016/j.ifacol.2019.09.115

Abstract: Abstract Intelligent fault diagnosis systems can be a major aid to human operators charged with the high-level control of industrial plants. Such systems aim for high diagnostic accuracy while retaining the ability to produce results… read more here.

Keywords: graphs using; signed directed; generation signed; directed graphs ... See more keywords
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Observer-based consensus of networked thrust-propelled vehicles with directed graphs.

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Published in 2017 at "ISA transactions"

DOI: 10.1016/j.isatra.2017.03.026

Abstract: In this paper, we investigate the consensus problem for networked underactuated thrust-propelled vehicles (TPVs) interacting on directed graphs. We propose distributed observer-based consensus protocols, which avoid the reliance on the measurements of translational velocities and… read more here.

Keywords: thrust propelled; based consensus; consensus; observer based ... See more keywords
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Frequent subgraph mining in oceanographic multi-level directed graphs

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Published in 2019 at "International Journal of Geographical Information Science"

DOI: 10.1080/13658816.2019.1599124

Abstract: ABSTRACT We present an adaptation and application of frequent subgraph mining (FSM) in a time series of spatial multi-level directed graphs depicting probabilistic transitions of water masses between neighboring sea areas within a given time… read more here.

Keywords: frequent subgraph; multi level; subgraph mining; level directed ... See more keywords
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Distributed Cooperative Learning for Discrete-Time Strict-Feedback Multi Agent Systems Over Directed Graphs

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Published in 2022 at "IEEE/CAA Journal of Automatica Sinica"

DOI: 10.1109/jas.2022.105542

Abstract: This paper focuses on the distributed cooperative learning (DCL) problem for a class of discrete-time strict-feedback multi-agent systems under directed graphs. Compared with the previous DCL works based on undirected graphs, two main challenges lie… read more here.

Keywords: time; discrete time; distributed cooperative; time strict ... See more keywords
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A Linear Algorithm for Optimization Over Directed Graphs With Geometric Convergence

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Published in 2018 at "IEEE Control Systems Letters"

DOI: 10.1109/lcsys.2018.2834316

Abstract: In this letter, we study distributed optimization, where a network of agents, abstracted as a directed graph, collaborates to minimize the average of locally known convex functions. Most of the existing approaches over directed graphs… read more here.

Keywords: optimization directed; linear algorithm; algorithm optimization; graphs geometric ... See more keywords
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Strict Lyapunov Functions for Dynamic Consensus in Linear Systems Interconnected Over Directed Graphs

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Published in 2022 at "IEEE Control Systems Letters"

DOI: 10.1109/lcsys.2022.3150662

Abstract: We study dynamic consensus for general networked (homogeneous) linear autonomous systems, that is, it is only assumed that they are stabilizable. Dynamic consensus pertains to a general form of consensus in which, as a result… read more here.

Keywords: dynamic consensus; consensus; systems interconnected; lyapunov functions ... See more keywords
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Linear Convergence in Optimization Over Directed Graphs With Row-Stochastic Matrices

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Published in 2018 at "IEEE Transactions on Automatic Control"

DOI: 10.1109/tac.2018.2797164

Abstract: This paper considers a distributed optimization problem over a multiagent network, in which the objective function is a sum of individual cost functions at the agents. We focus on the case when communication between the… read more here.

Keywords: tex math; optimization; directed graphs; inline formula ... See more keywords
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Adaptive Event-Triggered Consensus of Multiagent Systems on Directed Graphs

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Published in 2021 at "IEEE Transactions on Automatic Control"

DOI: 10.1109/tac.2020.3000819

Abstract: This article systematically studies consensus of linear multiagent systems (MASs) on directed graphs through adaptive event-triggered control. It presents innovative adaptive event-triggered state-feedback protocols with novel composite event-triggering conditions. Two specific designs in terms of… read more here.

Keywords: multiagent systems; control; adaptive event; event triggered ... See more keywords