Safer Autonomous Driving in a Stochastic, Partially-Observable Environment by Hierarchical Contingency Planning
On the map: End-to-end autonomous driving → Reinforcement learning for driving
Abstract (arXiv)
When learning to act in a stochastic, partially observable environment, an intelligent agent should be prepared to anticipate a change in its belief of the environment state, and be capable of adapting its actions on-the-fly to changing conditions. As humans, we are able to form contingency plans when learning a task with the explicit aim of being able to correct errors in the initial control, and hence prove useful if ever there is a sudden change in our perception of the environment which requires immediate corrective action. This is especially the case for autonomous vehicles (AVs) navigating real-world situations where safety is paramount, and a strong ability to react to a changing belief about the environment is truly needed. In this paper we explore an end-to-end approach, from training to execution, for learning robust contingency plans and combining them with a hierarchical planner to obtain a robust agent policy in an autonomous navigation task where other vehicles' behaviours are unknown, and the agent's belief about these behaviours is subject to sudden, last-second change. We show that our approach results in robust, safe behaviour in a partially observable, stochastic environment, generalizing well over environment dynamics not seen during training.
Key facts. No citing papers in the map yet (data through 7 Oct 2026). Placed in Reinforcement learning for driving, one of 9 directions in End-to-end autonomous driving. Builds on 20 of its 30 references that are in the map. First posted on arXiv 13 Apr 2022.
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- 2015Deep Reinforcement Learning with Double Q-learningcited by 1,704
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- 2018Data-Efficient Hierarchical Reinforcement Learningcited by 436
- 2019A Survey of Autonomous Driving: Common Practices and Emerging Technologiescited by 373
- 2018Safe Exploration in Continuous Action Spacescited by 237
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- 2020Can Autonomous Vehicles Identify, Recover From, and Adapt to Distribution Shifts?cited by 139
- 2017A Laplacian Framework for Option Discovery in Reinforcement Learningcited by 108
- 2020One Solution is Not All You Need: Few-Shot Extrapolation via Structured MaxEnt RLcited by 79
- 2019Estimating Risk and Uncertainty in Deep Reinforcement Learningcited by 68
- 2019Uncertainty Quantification with Statistical Guarantees in End-to-End Autonomous Driving Controlcited by 60
7 more
- 2021Hierarchical Reinforcement Learning By Discovering Intrinsic Optionscited by 57
- 2019Combining Planning and Deep Reinforcement Learning in Tactical Decision Making for Autonomous Drivingcited by 52
- 2018Hierarchical Game-Theoretic Planning for Autonomous Vehiclescited by 48
- 2021Contingencies from Observations: Tractable Contingency Planning with Learned Behavior Modelscited by 22
- 2019Safe Reinforcement Learning with Scene Decomposition for Navigating Complex Urban Environmentscited by 18
- 2020Tactical Decision-Making in Autonomous Driving by Reinforcement Learning with Uncertainty Estimationcited by 14
- 2021Learning to Robustly Negotiate Bi-Directional Lane Usage in High-Conflict Driving Scenarioscited by 3
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