Decentralized control: An overview

Bakule, Lubomı́r

doi:10.1016/j.arcontrol.2008.03.004

Cited by 505 publications

(173 citation statements)

References 77 publications

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“…A class of time delay interconnected systems is considered by Mahmoud and Bingulac in [15] where time delay is not involved in the interconnections. Although many results have been achieved for time delay interconnected systems, most of them assume that the system states are available [1,6]. The associated results based on decentralised output feedback control for timedelayed interconnected systems are few.…”

Section: Introductionmentioning

confidence: 99%

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Decentralised delay-dependent static output feedback variable structure control

Yan

Spurgeon

2014

Journal of the Franklin Institute

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In this paper, an output feedback stabilisation problem is considered for a class of large scale interconnected time delay systems with uncertainties. The uncertainties appear in both isolated subsystems and interconnections. The bounds on the uncertainties are nonlinear and time delayed. It is not required that either the known interconnections or the uncertain interconnections are matched. Under the assumption that the time delay is known, a decentralised static output feedback variable structure control is synthesised to stabilise the system globally uniformly asymptotically using Lyapunov Razumikhin approach. A case study relating to a river pollution control problem is presented to illustrate the proposed approach.

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Section: Introductionmentioning

confidence: 99%

“…Issues such as the economic cost and reliability of communication links, particularly when systems are characterised by geographical separation, limit the appetite for centralised control. This has motivated the development of a wide literature in the area of decentralised control, see, for example, [1,14,24].…”

Section: Introductionmentioning

confidence: 99%

Decentralised delay-dependent static output feedback variable structure control

Yan

Spurgeon

2014

Journal of the Franklin Institute

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“…However, the interconnections between two or more physical systems are often accompanied by phenomena such as material transfer, energy transfer and information transfer, which, from a mathematical point of view, can be represented by delay elements (Michiels and Niculescu 2007). This has motivated the study of large scale time delay interconnected systems, and many results have been achieved (Bakule 2008, Hua and Ding 2011, Ye et al 2012. However most of the existing results consider situations where all the system states are available.…”

Section: Introductionmentioning

confidence: 99%

“…Specifically, when the information transfer channels between subsystems are blocked, only local information is available and in this case only decentralised schemes are possible. This has provided impetus to explore decentralised control strategies (see Bakule (2008) and the references therein).…”

Section: Introductionmentioning

confidence: 99%

Delay-independent decentralised output feedback control for large-scale systems with nonlinear interconnections

Yan

Spurgeon

2014

International Journal of Control

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In this paper, a stabilisation problem for a class of large scale systems with nonlinear interconnections is considered. All the uncertainties are nonlinear and are subject to the effects of time delay. A decentralised static output feedback variable structure control is synthesised and the stability of the corresponding closed loop system is analysed based on the Lyapunov Razumikhin approach. A set of conditions is developed to guarantee that the large scale interconnected system is stabilised uniformly asymptotically. Further study shows that the conservatism can be reduced by employing additive controllers if the known interconnections are separated into matched and mismatched parts. It is not required that the subsystems are square. The designed controller is independent of time delay and thus it does not require memory. Simulation results show the effectiveness of the proposed approach.

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“…Decentralised control has a rich history in the control systems literature [33]. A decentralised adaptive output feedback controller was developed in [26] for an automated highway system, i.e.…”

Section: Introductionmentioning

confidence: 99%

Decentralised static output feedback stabilisation and synchronisation of networks

Menon

Edwards

2009

Automatica

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In this paper global stabilisation of a complex network is attained by applying local decentralized output feedback control to a minimum number of nodes of the network. The stabilisation of the network is treated as a rank constrained problem. Strict positive realness conditions on the node level dynamics allow nonlinearities/uncertainties which satisfy sector conditions to be considered. A network of Chua oscillators with 75 nodes is considered to demonstrate the efficacy of the approach.

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Decentralized control: An overview

Cited by 505 publications

References 77 publications

Decentralised delay-dependent static output feedback variable structure control

Decentralised delay-dependent static output feedback variable structure control

Delay-independent decentralised output feedback control for large-scale systems with nonlinear interconnections

Decentralised static output feedback stabilisation and synchronisation of networks

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