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- research-articleSeptember 2023
Equilibrium Traffic Dynamics with Mixed Autonomous and Human-Driven Vehicles and Novel Traffic Management Policies: The Effects of Value-of-Time Compensation and Random Road Capacity
Transportation Science (TRNPS), Volume 57, Issue 5Pages 1177–1208https://doi.org/10.1287/trsc.2021.0469Emerging autonomous vehicles (AVs) are expected to bring about a revolution in both the automotive industry and transportation systems. Introducing AVs into the existing mobility system with human-driven vehicles (HVs) yields mixed traffic with the ...
- research-articleFebruary 2024
Explainable-DSE: An Agile and Explainable Exploration of Efficient HW/SW Codesigns of Deep Learning Accelerators Using Bottleneck Analysis
ASPLOS '23: Proceedings of the 28th ACM International Conference on Architectural Support for Programming Languages and Operating Systems, Volume 4Pages 87–107https://doi.org/10.1145/3623278.3624772Effective design space exploration (DSE) is paramount for hardware/software codesigns of deep learning accelerators that must meet strict execution constraints. For their vast search space, existing DSE techniques can require excessive trials to obtain a ...
- research-articleJanuary 2022
Departure Time Choice Equilibrium and Tolling Strategies for a Bottleneck with Stochastic Capacity
Transportation Science (TRNPS), Volume 56, Issue 1Pages 79–102https://doi.org/10.1287/trsc.2021.1039This paper develops a bottleneck model in which the capacity of the bottleneck is assumed to be stochastic and follow a general distribution that has a positive upper bound. The user equilibrium principle in terms of mean trip cost is adopted to formulate ...
- articleJune 2018
Are We Really Solving the Dynamic Traffic Equilibrium Problem with a Departure Time Choice?
Transportation Science (TRNPS), Volume 52, Issue 3Pages 603–620https://doi.org/10.1287/trsc.2017.0764The dynamic traffic equilibrium problem has been a pivotal area of research in transportation for a few decades. The current state-of-the-art research in this area generally considers simultaneous departure time and route choice. In this paper, we ...
- articleAugust 2017
On the Existence and Uniqueness of Equilibrium in the Bottleneck Model with Atomic Users
Transportation Science (TRNPS), Volume 51, Issue 3Pages 863–881https://doi.org/10.1287/trsc.2016.0672This paper investigates the existence and uniqueness of equilibrium in the Vickrey bottleneck model when each user controls a positive fraction of total traffic. Users simultaneously choose departure schedules for their vehicle fleets. Each user ...
- articleFebruary 2015
Congestion Behavior and Tolls in a Bottleneck Model with Stochastic Capacity
In this paper we investigate a bottleneck model in which the capacity of the bottleneck is assumed stochastic and follows a uniform distribution. The commuters' departure time choice is assumed to follow the user equilibrium principle according to mean ...
- ArticleJune 2012
Equilibrium Trip Scheduling in Bottleneck Model with Stochastic Capacity
CSO '12: Proceedings of the 2012 Fifth International Joint Conference on Computational Sciences and OptimizationPages 504–508https://doi.org/10.1109/CSO.2012.116In this paper we develop a novel bottleneck model which assumes that the capacity of the bottleneck is stochastic and follows uniform distribution. Commuters form a heterogeneous population with distinctive requirements on the probability of punctual ...
- ArticleApril 2011
Road Pricing and Capacity Decision under a Self-Financing Constraint
CSO '11: Proceedings of the 2011 Fourth International Joint Conference on Computational Sciences and OptimizationPages 1100–1103https://doi.org/10.1109/CSO.2011.310Every morning commuters have to travel from a residential area to a workplace by using their private cars on a bottleneck-constrained highway. Consider the maintenance cost and infrastructure investment, we model road pricing and capacity decision under ...