Continuous and Discrete-Time Optimal Controls for an Isolated Signalized Intersection
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Date
2017
Publication Type
Journal Article
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yes
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Abstract
A classical control problem for an isolated oversaturated intersection is revisited with a focus on the optimal control policy to minimize total delay. The difference and connection between existing continuous-time planning models and recently proposed discrete-time planning models are studied. A gradient descent algorithm is proposed to convert the optimal control plan of the continuous-time model to the plan of the discrete-time model in many cases. Analytic proof and numerical tests for the algorithm are also presented. The findings shed light on the links between two kinds of models.
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Publication status
published
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Book title
Journal / series
Volume
2017
Pages / Article No.
6290248
Publisher
Hindawi