用预测分歧原则自动区分紧急制动误报与真报,提升验证可靠性。
Improving AEBS Validation Through Objective Intervention Classification Leveraging the Prediction Divergence Principle
- 基于预测分歧原理设计规则分类器,无需依赖主观判断。
- 在简化系统上验证有效,可降低人为标签偏差影响。
- 适合自动驾驶安全验证团队用于提升流程透明度。
自动紧急制动系统(AEBS)的安全验证需准确区分误触发(FP)与真实触发(TP)。仿真中可通过有无干预对比轻松区分,但对开放环路重演数据(如道路实测数据)的分析更复杂,因场景参数不确定且受驾驶员干预影响。当前常依赖人工标注,但其主观评估易引入偏差。本文提出一种基于规则的分类方法,利用预测分歧原理(PDP)解决该问题。在简化AEBS上的实验表明,该方法具有关键优势、局限性及系统要求。研究建议结合人工标注可增强分类透明性与一致性,从而改善整体验证流程。虽当前规则集采用保守策略,但论文指出了未来优化方向和扩展潜力。结果表明,此类方法有望补充现有实践,推动更可靠、可复现的AEBS验证框架建设。
原文摘要 · Abstract (English)
The safety validation of automatic emergency braking system (AEBS) requires accurately distinguishing between false positive (FP) and true positive (TP) system activations. While simulations allow straightforward differentiation by comparing scenarios with and without interventions, analyzing activations from open-loop resimulations - such as those from field operational testing (FOT) - is more complex. This complexity arises from scenario parameter uncertainty and the influence of driver interventions in the recorded data. Human labeling is frequently used to address these challenges, relying on subjective assessments of intervention necessity or situational criticality, potentially introducing biases and limitations. This work proposes a rule-based classification approach leveraging the Prediction Divergence Principle (PDP) to address those issues. Applied to a simplified AEBS, the proposed method reveals key strengths, limitations, and system requirements for effective implementation. The findings suggest that combining this approach with human labeling may enhance the transparency and consistency of classification, thereby improving the overall validation process. While the rule set for classification derived in this work adopts a conservative approach, the paper outlines future directions for refinement and broader applicability. Finally, this work highlights the potential of such methods to complement existing practices, paving the way for more reliable and reproducible AEBS validation frameworks.
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