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Objectives, stimulus and feedback in signal control of road traffic

Heydecker, BG; (2004) Objectives, stimulus and feedback in signal control of road traffic. ITS J , 8 (2) 63 - 76. 10.1080/15472450490437762. Green open access

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Abstract

This article identifies the prospective role of a range of intelligent transport systems technologies for the signal control of road traffic. We discuss signal control within the context of traffic management and control in urban road networks and then present a control-theoretic formulation for it that distinguishes the various roles of detector data, objectives of optimization, and control feedback. By reference to this, we discuss the importance of different kinds of variability in traffic flows and review the state of knowledge in respect of control in the presence of different combinations of them. In light of this formulation and review, we identify a range of important possibilities for contributions to traffic management and control through traffic measurement and detection technology, and contemporary flexible optimization techniques that use various kinds of automated learning.

Type: Article
Title: Objectives, stimulus and feedback in signal control of road traffic
Open access status: An open access version is available from UCL Discovery
DOI: 10.1080/15472450490437762
Keywords: signal control, traffic control, optimization, formulation, JUNCTION
UCL classification: UCL > Provost and Vice Provost Offices
UCL > Provost and Vice Provost Offices > UCL BEAMS
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science > Dept of Civil, Environ and Geomatic Eng
URI: http://discovery.ucl.ac.uk/id/eprint/1358
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