Motion planning by search in derivative space and convex optimization with enlarged solution space

J Li, X Xie, Q Lin, J He, JM Dolan - 2022 IEEE/RSJ International …, 2022 - ieeexplore.ieee.org
To efficiently generate safe trajectories for an autonomous vehicle in dynamic environments,
a layered motion planning method with decoupled path and speed planning is widely used …

Real time trajectory optimization for nonlinear robotic systems: Relaxation and convexification

C Liu, M Tomizuka - Systems & Control Letters, 2017 - Elsevier
Real time trajectory optimization is critical for robotic systems. Due to nonlinear system
dynamics and obstacles in the environment, the trajectory optimization problems are highly …

Time governors for safe path-following control

Ö Arslan - arXiv preprint arXiv:2212.01444, 2022 - arxiv.org
Safe and smooth robot motion around obstacles is an essential skill for autonomous robots,
especially when operating around people and other robots. Conventionally, due to real-time …

[HTML][HTML] Optimal speed plan for the overtaking of autonomous vehicles on two-lane highways

SM Easa, M Diachuk - Infrastructures, 2020 - mdpi.com
In passing maneuvers on two-lane highways, assessing the needed distance and the
potential power reserve to ensure the required speed mode of the passing vehicle is a …

Navigating Unsignalized Intersections: A Predictive Approach for Safe and Cautious Autonomous Driving

N Pourjafari, A Ghafari, A Ghaffari - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
Collision avoidance at unsignalized intersections is critical to autonomous vehicle
technology. Our work addresses the challenging problem of online speed planning along a …

Real-time parallel trajectory optimization with spatiotemporal safety constraints for autonomous driving in congested traffic

L Zheng, R Yang, Z Peng, H Liu… - 2023 IEEE 26th …, 2023 - ieeexplore.ieee.org
Multi-modal behaviors exhibited by surrounding vehicles (SVs) can typically lead to traffic
congestion and reduce the travel efficiency of autonomous vehicles (AVs) in dense traffic …

Speed planning in dynamic environments over a fixed path for autonomous vehicles

W Xu, JM Dolan - 2022 International Conference on Robotics …, 2022 - ieeexplore.ieee.org
In this paper, we present a novel convex optimization approach to address the minimum-
time speed planning problem over a fixed path with dynamic obstacle constraints and point …

Speed planning for autonomous driving via convex optimization

Y Zhang, H Chen, SL Waslander… - 2018 21st …, 2018 - ieeexplore.ieee.org
In this paper, we present a convex-optimization-based method to solve speed planning
problems over a fixed path for autonomous driving in both static and dynamic environments …

Smooth behavioral estimation for ramp merging control in autonomous driving

C Dong, JM Dolan, B Litkouhi - 2018 IEEE Intelligent Vehicles …, 2018 - ieeexplore.ieee.org
Cooperative driving behavior is essential for driving in traffic, especially for ramp merging,
lane changing or navigating intersections. Autonomous vehicles should also man-age these …

Real-time trajectory planning method based on n-order curve optimization

R Lattarulo, L González, J Perez - 2020 24th International …, 2020 - ieeexplore.ieee.org
In recent years, many functionalities were developed for Automated Vehicles (AVs) and
some of them with close-to-market prototypes. A required topic is the generation of …