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Journal Article

Citation

Lin R, Ma L, Zhang W. Appl. Ergon. 2018; 72: 37-47.

Affiliation

Department of Industrial Engineering, Tsinghua University, Beijing, 100084, China; State Key Laboratory of Automotive Safety and Energy, Tsinghua University, Beijing, 100084, China. Electronic address: zhangwei@tsinghua.edu.cn.

Copyright

(Copyright © 2018, Elsevier Publishing)

DOI

10.1016/j.apergo.2018.04.006

PMID

29885726

Abstract

Partially automated vehicles (PAVs) have been used in real-world environments for several years since the emergence of autonomous driving. It is important to understand the effects of partial automation systems (PAS) on the understanding of drivers and their behaviour during the first months of use. In order to adapt to new vehicle technology, drivers usually exhibit specific behaviours in this stage that are not intended by the developers, namely behavioural adaptation. The present study investigated the behavioural adaptations by early PAV adopters after short-term usage. A semi-structured interview was conducted among 20  Tesla drivers who had relatively high experience (one to five months) with Autopilot, and the interviews were synthesized to understand their behavioural adaptation, mental models, and trust during the period of use. The results showed that PAV drivers had a very positive attitude towards the PAS and drivers universally engaged in secondary tasks during automated driving. They also learned from their experiences to identify relatively safe usage conditions and they employed a safety margin to avoid exposure to excessively risky situations.

Copyright © 2018 Elsevier Ltd. All rights reserved.


Language: en

Keywords

Automated driving; Partial automation system; Secondary task

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