Rodrigues, Maradona, McGordon, Andrew, Marco, James and Gest, Graham (2017) Adaptive behaviour selection for autonomous vehicle through naturalistic speed planning. In: IEEE 20th International Conference on Intelligent Transportation Systems , Yokohama, Japan, 16-19 Oct 2017. Published in: 20th International Conference on Intelligent Transportation Systems (ITSC) 2017, IEEE (In Press)

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Abstract

As autonomous technologies in ground vehicle application begin to mature, there is a greater acceptance that they can eventually exhaust human involvement in the driving activity. There is however still a long way to go before such maturity is seen in autonomous ground vehicles. One of the critical limitations of the existing technology is the inability to navigate complex dynamic traffic scenarios such as non-signalised roundabouts safely, efficiently and while maintaining passenger drive comfort. The navigation at roundabouts has often been considered as either a problem of collision avoidance alone or the problem of efficient driving (reducing congestion). We argue that for any autonomous planning solution to be accepted for replacing the human driver, it has to consider all the three objectives of safety, efficiency and comfort. With human drivers driving these complex and dynamic scenarios for a long time, learning from the human driving has become a promising area of research. In this work, we learn human driver’s longitudinal behaviours for driving at a non-signalised roundabout. This knowledge is then used to generate longitudinal behaviour candidate profiles that give the autonomous vehicle different behaviour choices in a dynamic environment. A decision-making algorithm is then employed to tactically select the optimal behaviour candidate based on the existing scenario dynamics. There are two important contributions in this paper, firstly the adaptive longitudinal behaviour candidate generation algorithm and secondly the tactical, risk aware, multi-objective decision-making algorithm. We describe their implementation and compare the autonomous vehicle performance against human driving.

Item Type:	Conference Item (Paper)
Subjects:	T Technology > TE Highway engineering. Roads and pavements T Technology > TL Motor vehicles. Aeronautics. Astronautics
Divisions:	Faculty of Science > WMG (Formerly the Warwick Manufacturing Group)
Library of Congress Subject Headings (LCSH):	Autonomous vehicles -- Collision avoidance, Traffic circles, Automobile driving -- Human factors, Decision making, Algorithms -- Industrial applications
Journal or Publication Title:	20th International Conference on Intelligent Transportation Systems (ITSC) 2017, IEEE
Publisher:	IEEE
Official Date:	1 August 2017
Dates:	Date Event 1 August 2017 Accepted
Date of first compliant deposit:	7 November 2017
Status:	Not Peer Reviewed
Publication Status:	In Press
Conference Paper Type:	Paper
Title of Event:	IEEE 20th International Conference on Intelligent Transportation Systems
Type of Event:	Conference
Location of Event:	Yokohama, Japan
Date(s) of Event:	16-19 Oct 2017
Related URLs:	Organisation Organisation Organisation Publisher

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