Journal of Jilin University(Engineering and Technology Edition) ›› 2021, Vol. 51 ›› Issue (3): 799-809.doi: 10.13229/j.cnki.jdxbgxb20200092

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Man⁃machine shared driving model using risk⁃response mechanism of human driver

Ren HE1(),Xiao-cong ZHAO1,Yi-bin YANG2,Jian-qiang WANG2()   

  1. 1.School of Automotive and Traffic Engineering，Jiangsu University，Zhenjiang 212013，China
    2.State Key Laboratory of Automotive Safety and Energy，Tsinghua University，Beijing 100084，China
  • Received:2020-02-20 Online:2021-05-01 Published:2021-05-07
  • Contact: Jian-qiang WANG E-mail:heren@mail.ujs.edu.cn;wjqlws@tsinghua.edu.cn

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Abstract:

A man-machine shared driving model for the intelligent vehicle was proposed， employing human drivers' real-time response to the environmental risk. Firstly， typical driving segments， including car-following and cut-in segments， were extracted from a real-traffic-based dataset， the highD dataset. Then the driving risk field theory was employed to quantify the environmental risk in extracted driving segments. By fitting the environmental risk effect and driving acceleration， a safe risk-response strategy was obtained， following which the Flexible Control-Transition Model （FCTM） based on strategy deviation was proposed. Finally， the Longitudinal Control Model （LCM） was applied as the auxiliary control model， and the man-machine shared driving simulation was carried out in two dangerous driving scenes， namely front-vehicle emergency braking and adjacent-car cut-in. The results show that the proposed FCTM can modify driving behavior of the human driver in dangerous scenarios through smooth man-machine control transition and improve driving safety.

Key words: vehicle engineering, man-machine shared driving, driving risk field, flexible control-transition model （FCTM）, risk-response strategy

CLC Number: 

  • U491.25

Fig.1

Design structure of the flexible control-transition model"

Fig.2

Data collection scene of highD"

Fig.3

Driving risk field model"

Fig.4

Risk-response strategy in thecar-following scenarios"

Fig.5

Risk-response strategy in left lane changes"

Fig.6

Risk-response strategy in right lane changes"

Fig.7

Control authority allocation based on strategy deviation"

Fig.8

Man-machine shared driving process infront-car emergency braking scenarios"

Fig.9

Minimum headway in front-caremergency braking scenarios"

Fig.10

Man-machine shared driving process inadjacent-car cut-in scenarios"

Fig.11

Minimum headway in the adjacent-carcut-in scenarios"

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