Search Results for author: Junyi Ji

Found 8 papers, 2 papers with code

On the Constrained CAV Platoon Control Problem

no code implementations24 Jan 2024 MirSaleh Bahavarnia, Junyi Ji, Ahmad F. Taha, Daniel B. Work

The main objective of the connected and automated vehicle (CAV) platoon control problem is to regulate CAVs' position while ensuring stability and accounting for vehicle dynamics.

Virtual trajectories for I-24 MOTION: data and tools

1 code implementation17 Nov 2023 Junyi Ji, Yanbing Wang, Derek Gloudemans, Gergely Zachár, William Barbour, Daniel B. Work

This article introduces a new virtual trajectory dataset derived from the I-24 MOTION INCEPTION v1. 0. 0 dataset to address challenges in analyzing large but noisy trajectory datasets.

So you think you can track?

no code implementations13 Sep 2023 Derek Gloudemans, Gergely Zachár, Yanbing Wang, Junyi Ji, Matt Nice, Matt Bunting, William Barbour, Jonathan Sprinkle, Benedetto Piccoli, Maria Laura Delle Monache, Alexandre Bayen, Benjamin Seibold, Daniel B. Work

This work introduces a multi-camera tracking dataset consisting of 234 hours of video data recorded concurrently from 234 overlapping HD cameras covering a 4. 2 mile stretch of 8-10 lane interstate highway near Nashville, TN.

Benchmarking Object +1

CAV Traffic Control to Mitigate the Impact of Congestion from Bottlenecks: A Linear Quadratic Regulator Approach and Microsimulation Study

no code implementations17 Jun 2023 Suyash C. Vishnoi, Junyi Ji, MirSaleh Bahavarnia, Yuhang Zhang, Ahmad F. Taha, Christian G. Claudel, Daniel B. Work

The effectiveness of the proposed traffic control algorithms is tested using a traffic control example and compared with existing proportional-integral (PI)- and model predictive control (MPC)- based controllers from the literature.

Model Predictive Control

I-24 MOTION: An instrument for freeway traffic science

no code implementations26 Jan 2023 Derek Gloudemans, Yanbing Wang, Junyi Ji, Gergely Zachar, Will Barbour, Daniel B. Work

The datasets published with this article contains at least 4 hours of vehicle trajectory data for each of 10 days.

Automatic vehicle trajectory data reconstruction at scale

no code implementations15 Dec 2022 Yanbing Wang, Derek Gloudemans, Junyi Ji, Zi Nean Teoh, Lisa Liu, Gergely Zachár, William Barbour, Daniel Work

In this paper we propose an automatic trajectory data reconciliation to correct common errors in vision-based vehicle trajectory data.

Benchmarking

General time-reversal equivariant neural network potential for magnetic materials

1 code implementation21 Nov 2022 Hongyu Yu, Boyu Liu, Yang Zhong, Liangliang Hong, Junyi Ji, Changsong Xu, Xingao Gong, Hongjun Xiang

This study introduces time-reversal E(3)-equivariant neural network and SpinGNN++ framework for constructing a comprehensive interatomic potential for magnetic systems, encompassing spin-orbit coupling and noncollinear magnetic moments.

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