ITSC 2024 Paper Abstract

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Paper FrBT3.4

Park, Sungjun (Hanyang University), Yang, Chanuk (Hanyang University), Han, Sangwon (Hanyang university), Huh, Kunsoo (Hanyang University)

Robust MPC Based Lateral Control System Design for Autonomous Vehicle Considering Localization Uncertainty

Scheduled for presentation during the Regular Session "Autonomous driving" (FrBT3), Friday, September 27, 2024, 14:30−14:50, Salon 6

2024 IEEE 27th International Conference on Intelligent Transportation Systems (ITSC), September 24- 27, 2024, Edmonton, Canada

This information is tentative and subject to change. Compiled on October 7, 2024

Keywords Automated Vehicle Operation, Motion Planning, Navigation, Advanced Vehicle Safety Systems, Multi-autonomous Vehicle Studies, Models, Techniques and Simulations

Abstract

In this paper, a lateral controller for autonomous vehicles is proposed under conditions of localization uncertainty, utilizing Robust Model Predictive Control (RMPC). Recently, localization accuracy has been largely improved through the integration of digital maps and sensor data from cameras and LiDARs. However, significant challenges remain in environments like highways, where landmarks are sparse and featureless, compromising the effectiveness of sensor data for map matching. This often leads to inaccurate vehicle positioning and, consequently, a loss of control capability. In this study, boundaries of positioning uncertainties are estimated first, and the region of uncertainty is modeled. The controller is designed to account for this uncertainty, where the constraints are adjusted to reduce chattering and biases. Simulation results demonstrate that the proposed controller effectively maintains path-tracking performance even in the presence of localization uncertainty. Additionally, this study shows that the performance can be maintained under significant localization error, indicating that it can contribute to relaxing the localization requirements

 

 

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