Works (12)

Updated: April 30th, 2024 05:03

2024 article

Integrated corridor management by cooperative traffic signal and ramp metering control

Al Farabi, A., Mohebifard, R., Niroumand, R., Hajbabaie, A., Hadi, M., & Elefteriadou, L. (2024, April 16). COMPUTER-AIDED CIVIL AND INFRASTRUCTURE ENGINEERING, Vol. 4.

By: A. Al Farabi n, R. Mohebifard n, R. Niroumand*, A. Hajbabaie n, M. Hadi* & L. Elefteriadou*

Sources: Web Of Science, NC State University Libraries
Added: April 29, 2024

2021 journal article

Connected automated vehicle control in single lane roundabouts

Transportation Research Part C: Emerging Technologies, 131, 103308.

By: R. Mohebifard n & A. Hajbabaie n

author keywords: Roundabout; Connected and automated vehicles; Trajectory; Convexification; Optimization; Alternating direction method of multipliers; Model predictive
TL;DR: An optimization problem that includes vehicle dynamics and collision-avoidance constraints with explicit representation of vehicle paths is formulated and it is shown that iterating between the two sub-problems leads to convergence to the optimal solutions of the convexified problem. (via Semantic Scholar)
UN Sustainable Development Goal Categories
Sources: Web Of Science, ORCID, NC State University Libraries, Crossref
Added: October 18, 2021

2021 journal article

Effects of Connectivity and Traffic Observability on an Adaptive Traffic Signal Control System

Transportation Research Record: Journal of the Transportation Research Board, 2675(10), 800–814.

By: S. Islam n, M. Tajalli n, R. Mohebifard n & A. Hajbabaie n

TL;DR: The results showed that a 40% CV market share was required for the adaptive signal controller using only CV data to outperform signal control with only loop detector data, and integrating 10% of CV data with loop detectors data in the adaptive sign control improved traffic performance and travel time reliability. (via Semantic Scholar)
UN Sustainable Development Goal Categories
Sources: Web Of Science, NC State University Libraries, ORCID, Crossref
Added: June 30, 2021

2021 journal article

Trajectory control in roundabouts with a mixed fleet of automated and human‐driven vehicles

Computer-Aided Civil and Infrastructure Engineering, 37(15), 1959–1977.

By: R. Mohebifard n & A. Hajbabaie n

TL;DR: The analyses indicate that the presence of cooperative CAVs in roundabouts can lead to considerable improvements, and the solution technique has convexification, alternating direction method of multipliers, and cutting plane decomposition components to tackle the complexities of the problem. (via Semantic Scholar)
UN Sustainable Development Goal Categories
Sources: Web Of Science, ORCID, NC State University Libraries, Crossref
Added: June 30, 2021

2020 journal article

Utilization Management of Highway Operations Equipment

TRANSPORTATION RESEARCH RECORD, 2674(9), 202–215.

By: A. Mirheli n, M. Tajalli n, R. Mohebifard n, L. Hajibabai n & A. Hajbabaie n

TL;DR: The numerical experiments reveal that the proposed framework can facilitate the utilization prediction and management of highway operations equipment and save up to 16.6% in operational costs considering different demand scenarios. (via Semantic Scholar)
Sources: Web Of Science, ORCID, NC State University Libraries
Added: July 20, 2020

2019 journal article

Cooperative traffic signal and perimeter control in semi-connected urban-street networks

Transportation Research Part C: Emerging Technologies, 104, 408–427.

By: R. Mohebifard*, S. Islam* & A. Hajbabaie*

Contributors: R. Mohebifard*, S. Islam* & A. Hajbabaie*

author keywords: Cooperative traffic control; Traffic signal optimization; Perimeter control; Distributed optimization and coordination algorithms; Connected vehicles
TL;DR: An integrated formulation and a distributed solution technique for cooperative signal control and perimeter traffic metering in urban street networks with various market penetration rates of connected vehicles and observed that cooperative signal timing and perimeter control yielded significant improvements in traffic operations. (via Semantic Scholar)
UN Sustainable Development Goal Categories
11. Sustainable Cities and Communities (OpenAlex)
Source: ORCID
Added: December 10, 2019

2019 journal article

Distributed Optimization and Coordination Algorithms for Dynamic Traffic Metering in Urban Street Networks

IEEE Transactions on Intelligent Transportation Systems, 20(5), 1930–1941.

By: R. Mohebifard* & A. Hajbabaie*

Contributors: R. Mohebifard* & A. Hajbabaie*

author keywords: Dynamic traffic metering; perimeter control; distributed optimization; distributed coordination; model predictive control; mixed-integer linear program
TL;DR: A real-time and scalable methodology for finding near-optimal metering rates dynamically in urban street networks based on the cell transmission model and found significant improvements in network operations as a result of traffic metering. (via Semantic Scholar)
UN Sustainable Development Goal Categories
11. Sustainable Cities and Communities (OpenAlex)
Source: ORCID
Added: August 27, 2019

2019 journal article

Optimal network-level traffic signal control: A benders decomposition-based solution algorithm

Transportation Research Part B: Methodological, 121, 252–274.

By: R. Mohebifard* & A. Hajbabaie*

Source: ORCID
Added: December 7, 2021

2019 journal article

Optimal network-level traffic signal control: A benders decomposition-based solution algorithm

Transportation Research Part B: Methodological, 121, 252–274.

By: R. Mohebifard* & A. Hajbabaie*

Contributors: R. Mohebifard* & A. Hajbabaie*

author keywords: Traffic signal control; Cell transmission model; Benders decomposition; Flow holding-back problem
TL;DR: It is proved that the proposed solution technique guarantees convergence to optimal solutions with a finite number of iterations and a dual estimation algorithm is proposed for the new MINLP (the Primal problem), which utilizes a simulation-based approach to generate Benders cuts instead of solving a complex optimization program. (via Semantic Scholar)
Source: ORCID
Added: August 27, 2019

2018 journal article

Dynamic traffic metering in urban street networks: Formulation and solution algorithm

Transportation Research Part C: Emerging Technologies, 93, 161–178.

By: R. Mohebifard* & A. Hajbabaie*

UN Sustainable Development Goal Categories
11. Sustainable Cities and Communities (OpenAlex)
Source: ORCID
Added: December 7, 2021

2018 journal article

Dynamic traffic metering in urban street networks: Formulation and solution algorithm

Transportation Research Part C: Emerging Technologies, 93, 161–178.

By: R. Mohebifard* & A. Hajbabaie*

Contributors: R. Mohebifard* & A. Hajbabaie*

author keywords: Traffic metering; Perimeter control; Mixed integer linear programming; Optimization; Cell transmission model; Benders decomposition; Urban street networks
TL;DR: This paper presents an optimization program for dynamic traffic metering in urban street networks based on the Cell Transmission Model (CTM) and develops a novel and efficient solution approach that solves the problem by converting the MILP to a linear program and several CTM simulation runs. (via Semantic Scholar)
UN Sustainable Development Goal Categories
11. Sustainable Cities and Communities (OpenAlex)
Source: ORCID
Added: August 27, 2019

2018 conference paper

Real-Time Adaptive Traffic Metering in a Connected Urban Street Network

Transportation Research Board 97th Annual Meeting. https://trid.trb.org/view/1497102

By: R. Mohebifard & A. Hajbabaie

Source: ORCID
Added: December 7, 2021

Employment

Updated: June 24th, 2020 12:38

2019 - present

North Carolina State University Raleigh, NC, US
Graduate Research Assistant Civil, Construction, and Environmental Engineering

2016 - 2020

Washington State University Pullman, WA, US
Graduate Research Asisstant Civil and Environmental Engineering

Education

Updated: June 24th, 2020 12:40

2020 - present

North Carolina State University Raleigh, NC, US
Ph.D. Civil, Construction, and Environmental Engineering

2016 - 2020

Washington State University Pullman, WA, US
Ph.D. Civil and Environmental Engineering Department

2012 - 2014

Sharif University of Technology Tehran, Tehran, IR
MS.c. Civil and Environmental Engineering Department

2008 - 2012

Shahid Bahonar University of Kerman Kerman, Kerman, IR
BS.c. Civil and Environmental Engineering Department

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