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arXiv 2310.20148cs.AIcs.ROcs.SYeess.SY
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基于交互感知行为预测和社会注意神经网络的自主车辆决策

Decision-Making for Autonomous Vehicles with Interaction-Aware Behavioral Prediction and Social-Attention Neural Network

University of Michigan(密歇根大学);Ford Research and Advanced Engineering(福特研究与先进工程部);Excelled Tracer LLC(Excelled Tracer 有限责任公司)

Xiao Li, Kaiwen Liu, H. Eric Tseng, Anouck Girard, Ilya Kolmanovsky

摘要:

自动驾驶汽车需要在交通中与人类驾驶员互动的同时完成任务。因此,为自动驾驶汽车配备人工推理功能至关重要,以更好地理解周围交通的意图,从而促进任务的完成。在这项工作中,我们提出了一个行为模型,编码司机的互动意图到潜在的社会心理参数。利用贝叶斯滤波器,我们开发了一个基于滚动优化的控制器,用于自动驾驶汽车决策,该控制器考虑了交互驾驶员意图的不确定性。对于在线部署,我们设计了一个神经网络架构的基础上的注意力机制,模仿行为模型与在线估计参数先验。我们还提出了一个决策树搜索算法来解决在线决策问题。提出的行为模型,然后评估其现实世界的轨迹预测的能力。我们进一步进行广泛的评估建议的决策模块,在强制公路合并的情况下,使用模拟环境和现实世界的交通数据集。实验结果表明,该算法能够在保证行车安全的前提下,完成各种交通条件下的强制并道任务。

英文摘要:

Autonomous vehicles need to accomplish their tasks while interacting with human drivers in traffic. It is thus crucial to equip autonomous vehicles with artificial reasoning to better comprehend the intentions of the surrounding traffic, thereby facilitating the accomplishments of the tasks. In this work, we propose a behavioral model that encodes drivers' interacting intentions into latent social-psychological parameters. Leveraging a Bayesian filter, we develop a receding-horizon optimization-based controller for autonomous vehicle decision-making which accounts for the uncertainties in the interacting drivers' intentions. For online deployment, we design a neural network architecture based on the attention mechanism which imitates the behavioral model with online estimated parameter priors. We also propose a decision tree search algorithm to solve the decision-making problem online. The proposed behavioral model is then evaluated in terms of its capabilities for real-world trajectory prediction. We further conduct extensive evaluations of the proposed decision-making module, in forced highway merging scenarios, using both simulated environments and real-world traffic datasets. The results demonstrate that our algorithms can complete the forced merging tasks in various traffic conditions while ensuring driving safety.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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