2 code implementations • 21 Nov 2023 • Bibek Poudel, Weizi Li, Kevin Heaslip
To address this, we introduce a reinforcement learning based RV that employs a congestion stage classifier to optimize the safety, efficiency, and stability of mixed traffic.
1 code implementation • 13 Jun 2023 • Michael Villarreal, Bibek Poudel, Weizi Li
However, defining objectives of RL agents in traffic control and management tasks, as well as aligning policies with these goals through an effective formulation of Markov Decision Process (MDP), can be challenging and often require domain experts in both RL and ITS.
1 code implementation • 14 Apr 2023 • Ryan Wickman, Bibek Poudel, Michael Villarreal, Xiaofei Zhang, Weizi Li
This can be rectified by Quality-Diversity (QD) algorithms, where a population of high-quality and diverse solutions to a problem is preferred.
no code implementations • 17 Feb 2023 • Michael Villarreal, Bibek Poudel, Jia Pan, Weizi Li
In certain scenarios, our approach even outperforms using precision observations, e. g., up to 8% increase in average vehicle velocity in the merge environment, despite only using local traffic information as opposed to global traffic information.
no code implementations • 22 May 2022 • Michael Villarreal, Bibek Poudel, Ryan Wickman, Yu Shen, Weizi Li
As a result of increasingly adopted machine learning algorithms and ubiquitous sensors, many 'perception-to-control' systems are developed and deployed.
1 code implementation • 17 Oct 2021 • Bibek Poudel, Weizi Li
While the prediction accuracy of deep learning models is high, these models' robustness has raised many safety concerns, given that imperceptible perturbations added to input can substantially degrade the model performance.
no code implementations • 31 Jul 2021 • Bibek Poudel, Thomas Watson, Weizi Li
Autonomous micromobility has been attracting the attention of researchers and practitioners in recent years.