Autonomous Driving With Perception Uncertainties: Deep-Ensemble Based Adaptive Cruise Control

• URL: http://arxiv.org/abs/2403.15577v1
• Date: Fri, 22 Mar 2024 19:04:58 GMT
• Title: Autonomous Driving With Perception Uncertainties: Deep-Ensemble Based Adaptive Cruise Control
• Authors: Xiao Li, H. Eric Tseng, Anouck Girard, Ilya Kolmanovsky,
• Abstract summary: Advanced perception systems utilizing black-box Deep Neural Networks (DNNs) demonstrate human-like comprehension. Unpredictable behavior and lack of interpretability may hinder their deployment in safety critical scenarios.
• Score: 6.492311803411367
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: Autonomous driving depends on perception systems to understand the environment and to inform downstream decision-making. While advanced perception systems utilizing black-box Deep Neural Networks (DNNs) demonstrate human-like comprehension, their unpredictable behavior and lack of interpretability may hinder their deployment in safety critical scenarios. In this paper, we develop an Ensemble of DNN regressors (Deep Ensemble) that generates predictions with quantification of prediction uncertainties. In the scenario of Adaptive Cruise Control (ACC), we employ the Deep Ensemble to estimate distance headway to the lead vehicle from RGB images and enable the downstream controller to account for the estimation uncertainty. We develop an adaptive cruise controller that utilizes Stochastic Model Predictive Control (MPC) with chance constraints to provide a probabilistic safety guarantee. We evaluate our ACC algorithm using a high-fidelity traffic simulator and a real-world traffic dataset and demonstrate the ability of the proposed approach to effect speed tracking and car following while maintaining a safe distance headway. The out-of-distribution scenarios are also examined.

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