Connected Vehicles Based Traffic Signal Timing Optimization

Li, Wan; Ban, Xuegang (Jeff); Connected Cities for Smart Mobility toward Accessible and Resilient Transportation Center (C2SMART)

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Connected Vehicles Based Traffic Signal Timing Optimization

2018-12-01
By Li, Wan ; Ban, Xuegang (Jeff)

[PDF-1.59 MB]

English

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Creators:

Li, Wan ; Ban, Xuegang (Jeff)

Li, Wan ; Ban, Xuegang (Jeff) Less -
Corporate Creators:

Connected Cities for Smart Mobility toward Accessible and Resilient Transportation Center (C2SMART)
Subject/TRT Terms:

[+]

Algorithms Branch And Bound. Connected Vehicles Dynamic Programming End Stage Cost Mixed Integer Nonlinear Program Optimization Test Procedures Traf?c Signal Optimization Traffic Signal Control Systems Traffic Signal Timing Traffic Simulation Travel Demand Urban Areas Validation Vehicle Trajectories
Resource Type:

Journal Article
Geographical Coverage:

United States
Corporate Publisher:

IEEE Intelligent Transportation Systems Society
Abstract:

We study the traffic signal control problem with connected vehicles (CVs) by assuming a fixed cycle length so that the proposed model can be extended readily for the coordination of multiple signals. The problem can be first formulated as a mixed-integer nonlinear program, by considering information of individual vehicle’s trajectories (i.e., second-by-second vehicle locations and speeds) and their realistic driving/car-following behaviors. The objective function is to minimize the weighted sum of total fuel consumption and travel time. Due to the large dimension of the problem and the complexity of the nonlinear car-following model, solving the nonlinear program directly is challenging. We then reformulate the problem as a Dynamic programming (DP) model by dividing the timing decisions into stages (one stage for a signal phase) and approximating the fuel consumption and travel time of a stage as functions of the state and decision variables of the stage. We also propose a two-step method to make sure that the obtained optimal solution can lead to the fixed cycle length. Numerical experiments are provided to test the performance of the proposed model using data generated by traffic simulation.
Format:

PDF
Collection(s):

University Transportation Centers US Transportation Collection
Main Document Checksum:

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urn:sha256:9640d73691ab59ae83e844c4459fff31cd08f2ff6d56c73ee4954f08fae30d84
Download URL:

https://rosap.ntl.bts.gov/view/dot/42381/dot_42381_DS1.pdf
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Connected Vehicles Based Traffic Signal Timing Optimization

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