Search Results for author: Xuan Di

Found 17 papers, 2 papers with code

Physics-Informed Deep Learning For Traffic State Estimation: A Survey and the Outlook

no code implementations3 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.

Quantifying Uncertainty In Traffic State Estimation Using Generative Adversarial Networks

no code implementations19 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).

Generative Adversarial Network Uncertainty Quantification

A Unified Network Equilibrium for E-Hailing Platform Operation and Customer Mode Choice

no code implementations9 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.

A Physics-Informed Deep Learning Paradigm for Traffic State and Fundamental Diagram Estimation

no code implementations6 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.

Relation

CVLight: Decentralized Learning for Adaptive Traffic Signal Control with Connected Vehicles

no code implementations21 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.

Reinforcement Learning (RL)

Physics-Informed Deep Learning for Traffic State Estimation

no code implementations17 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.

A Physics-Informed Deep Learning Paradigm for Car-Following Models

no code implementations24 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.

Dynamic driving and routing games for autonomous vehicles on networks: A mean field game approach

no code implementations15 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

Multi-Agent Reinforcement Learning for Markov Routing Games: A New Modeling Paradigm For Dynamic Traffic Assignment

no code implementations22 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).

Autonomous Vehicles Bilevel Optimization +2

A Survey on Autonomous Vehicle Control in the Era of Mixed-Autonomy: From Physics-Based to AI-Guided Driving Policy Learning

no code implementations10 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?

Autonomous Vehicles Imitation Learning

Long-Term Prediction of Lane Change Maneuver Through a Multilayer Perceptron

no code implementations23 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.

Autonomous Driving

Reward Design for Driver Repositioning Using Multi-Agent Reinforcement Learning

no code implementations17 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.

Bayesian Optimization Bilevel Optimization +3

An LSTM-Based Autonomous Driving Model Using Waymo Open Dataset

2 code implementations14 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.

Autonomous Driving Self-Driving Cars

Liability Design for Autonomous Vehicles and Human-Driven Vehicles: A Hierarchical Game-Theoretic Approach

no code implementations5 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.

Autonomous Driving

Optimal Passenger-Seeking Policies on E-hailing Platforms Using Markov Decision Process and Imitation Learning

no code implementations23 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.

Imitation Learning

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