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Aug 30, 2023
Acceleration Method for Hazardous Scenario Generation Based on Disengagement Cases
Authors: Xiaoyu Liu [email protected], Zhong Cao [email protected], Xiang Li [email protected], Yanding Yang [email protected], Kun Jiang [email protected], and Diange Yang [email protected]Author Affiliations
Publication: CICTP 2023
ABSTRACT
The autonomous vehicles (AV) driving policy is safety-critical and needs to be evaluated efficiently before deployment. Disengagement cases during on-road testing, which means the policy fails to pass current scenarios, are valuable for AV policy improvement. However, on-road testing faces high cost and safety challenges. Therefore, this paper proposes an acceleration method for hazardous scenario generation in simulators based on real-world disengagement cases. Firstly, the disengagement case will be reconstructed in the simulator to determine the state space of the scenario. Then, to accelerate hazardous scenarios generation, this paper proposes an optimized searching method to change behavior model of surrounding agents. This search method is evaluated by three typical cases. The results indicate that the proposed method can be twice as fast as a random generation. These studies provide a possible way to accelerate hazardous scenario generation in simulators without losing reality to evaluate or improve efficiency of the AV policy.
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Published online: Aug 30, 2023
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ASCE Technical Topics:
- Benefit cost ratios
- Business management
- Disaster risk management
- Disasters and hazards
- Engineering fundamentals
- Financial management
- Infrastructure
- Infrastructure resilience
- Models (by type)
- Optimization models
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- Traffic management
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- Transportation engineering
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1State Key Laboratory of Automotive Safety and Energy, School of Vehicle and Mobility, Tsinghua Univ., Beijing, China. Email: [email protected]
2State Key Laboratory of Automotive Safety and Energy, School of Vehicle and Mobility, Tsinghua Univ., Beijing, China. Email: [email protected]
3Qiyuan Lab, Beijing, China. Email: [email protected]
4State Key Laboratory of Automotive Safety and Energy, School of Vehicle and Mobility, Tsinghua Univ., Beijing, China. Email: [email protected]
5State Key Laboratory of Automotive Safety and Energy, School of Vehicle and Mobility, Tsinghua Univ., Beijing, China. Email: [email protected]
6State Key Laboratory of Automotive Safety and Energy, School of Vehicle and Mobility, Tsinghua Univ., Beijing, China. Email: [email protected]
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