Disengagement Cause-and-Effect Relationships Extraction Using an NLP Pipeline

• URL: http://arxiv.org/abs/2111.03511v1
• Date: Fri, 5 Nov 2021 14:00:59 GMT
• Title: Disengagement Cause-and-Effect Relationships Extraction Using an NLP Pipeline
• Authors: Yangtao Zhang, X. Jessie Yang, Feng Zhou
• Abstract summary: The California Department of Motor Vehicles (CA DMV) has launched the Autonomous Vehicle Tester Program. The program collects and releases reports related to Autonomous Vehicle Disengagement (AVD) from autonomous driving. This study serves as a successful practice of deep transfer learning using pre-trained models and generates a consolidated disengagement database.
• Score: 14.708195642446716
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: The advancement in machine learning and artificial intelligence is promoting the testing and deployment of autonomous vehicles (AVs) on public roads. The California Department of Motor Vehicles (CA DMV) has launched the Autonomous Vehicle Tester Program, which collects and releases reports related to Autonomous Vehicle Disengagement (AVD) from autonomous driving. Understanding the causes of AVD is critical to improving the safety and stability of the AV system and provide guidance for AV testing and deployment. In this work, a scalable end-to-end pipeline is constructed to collect, process, model, and analyze the disengagement reports released from 2014 to 2020 using natural language processing deep transfer learning. The analysis of disengagement data using taxonomy, visualization and statistical tests revealed the trends of AV testing, categorized cause frequency, and significant relationships between causes and effects of AVD. We found that (1) manufacturers tested AVs intensively during the Spring and/or Winter, (2) test drivers initiated more than 80% of the disengagement while more than 75% of the disengagement were led by errors in perception, localization & mapping, planning and control of the AV system itself, and (3) there was a significant relationship between the initiator of AVD and the cause category. This study serves as a successful practice of deep transfer learning using pre-trained models and generates a consolidated disengagement database allowing further investigation for other researchers.

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