no code implementations • 17 Apr 2024 • Bowen Fang, Xu Chen, Xuan Di
We make a comparison of our method and baselines, including classic OR algorithms and existing learning methods.
no code implementations • 3 Mar 2023 • Xuan Di, Rongye Shi, Zhaobin Mo, Yongjie Fu
For its robust predictive power (compared to pure physics-based models) and sample-efficient training (compared to pure deep learning models), physics-informed deep learning (PIDL), a paradigm hybridizing physics-based models and deep neural networks (DNN), has been booming in science and engineering fields.
1 code implementation • 19 Jun 2022 • Zhaobin Mo, Yongjie Fu, Daran Xu, Xuan Di
TrafficFlowGAN adopts a normalizing flow model as the generator to explicitly estimate the data likelihood.
no code implementations • 19 Jun 2022 • Zhaobin Mo, Yongjie Fu, Xuan Di
This paper aims to quantify uncertainty in traffic state estimation (TSE) using the generative adversarial network based physics-informed deep learning (PIDL).
no code implementations • 9 Mar 2022 • Xu Chen, Xuan Di
This paper aims to combine both economic and network user equilibrium for ride-sourcing and ride-pooling services, while endogenously optimizing the pooling sequence of two origin-destination (OD) pairs.
no code implementations • 6 Jun 2021 • Rongye Shi, Zhaobin Mo, Kuang Huang, Xuan Di, Qiang Du
Traffic state estimation (TSE) bifurcates into two categories, model-driven and data-driven (e. g., machine learning, ML), while each suffers from either deficient physics or small data.
no code implementations • 21 Apr 2021 • Mobin Zhao, Wangzhi Li, Yongjie Fu, Kangrui Ruan, Xuan Di
A case study is performed on a 2-by-2 road network located in State College, Pennsylvania, USA, to further demonstrate the effectiveness of the proposed algorithm under real-world scenarios.
no code implementations • 17 Jan 2021 • Rongye Shi, Zhaobin Mo, Kuang Huang, Xuan Di, Qiang Du
This paper focuses on highway TSE with observed data from loop detectors, using traffic density as the traffic variables.
no code implementations • 24 Dec 2020 • Zhaobin Mo, Xuan Di, Rongye Shi
We design physics-informed deep learning car-following (PIDL-CF) architectures encoded with two popular physics-based models - IDM and OVM, on which acceleration is predicted for four traffic regimes: acceleration, deceleration, cruising, and emergency braking.
no code implementations • 15 Dec 2020 • Kuang Huang, Xu Chen, Xuan Di, Qiang Du
In this paper, we aim to develop a game-theoretic model to solve for AVs's optimal driving strategies of velocity control in the interior of a road link and route choice at a junction node.
Autonomous Vehicles Decision Making Optimization and Control Systems and Control Systems and Control
no code implementations • 22 Nov 2020 • Zhenyu Shou, Xu Chen, Yongjie Fu, Xuan Di
We show that the routing behavior of intelligent agents is shown to converge to the classical notion of predictive dynamic user equilibrium (DUE) when traffic environments are simulated using dynamic loading models (DNL).
no code implementations • 10 Jul 2020 • Xuan Di, Rongye Shi
While reviewing the methodologies, we primarily focus on the following research questions: (1) What scalable driving policies are to control a large number of AVs in mixed traffic comprised of human drivers and uncontrollable AVs?
no code implementations • 23 Jun 2020 • Zhenyu Shou, Ziran Wang, Kyungtae Han, Yongkang Liu, Prashant Tiwari, Xuan Di
Behavior prediction plays an essential role in both autonomous driving systems and Advanced Driver Assistance Systems (ADAS), since it enhances vehicle's awareness of the imminent hazards in the surrounding environment.
no code implementations • 17 Feb 2020 • Zhenyu Shou, Xuan Di
In the second case study, an optimal toll charge of $5. 1 is solved using BO, which improves the objective of city planners by 7. 9%, compared to that without any toll charge.
2 code implementations • 14 Feb 2020 • Zhicheng Gu, Zhihao LI, Xuan Di, Rongye Shi
The Waymo Open Dataset has been released recently, providing a platform to crowdsource some fundamental challenges for automated vehicles (AVs), such as 3D detection and tracking.
no code implementations • 5 Nov 2019 • Xuan Di, Xu Chen, Eric Talley
The game is then simulated with numerical examples to investigate the emergence of human drivers' moral hazard, the AV manufacturer's role in traffic safety, and the law maker's role in liability design.
no code implementations • 23 May 2019 • Zhenyu Shou, Xuan Di, Jieping Ye, Hongtu Zhu, Hua Zhang, Robert Hampshire
Vacant taxi drivers' passenger seeking process in a road network generates additional vehicle miles traveled, adding congestion and pollution into the road network and the environment.