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Decision Making on when to Brake and when to Steer to Avoid a Collision

Mattias Brännström (Institutionen för signaler och system, Mekatronik) ; Erik Coelingh (Institutionen för signaler och system, Mekatronik) ; Jonas Sjöberg (Institutionen för signaler och system, Mekatronik)
First International Symposium on Future Active Safety Technology toward zero-traffic-accident, September 5-9, 2011, Tokyo, JAPAN (2011)
[Konferensbidrag, refereegranskat]

By either autonomously steering or braking, accidents can be avoided or mitigated by a number of active safety functions which are available on the market today. However, these functions are often tailored for specific accident types and for each type either braking or steering may be possible. This contribution considers an algorithm for threat assessment which can be used in general traffic situations not only to decide if an intervention is necessary to avoid an accident, but also to select which type of intervention, steering or braking. The algorithm is evaluated on four accident types; rear-end accidents showing how the appropriate intervention depends on the lateral offset between host vehicle and target vehicle, single-target straight crossing path collisions where the decision depends on the vehicles’ speed, collision scenarios with oncoming vehicles and finally situations where multiple obstacles need to be considered.

Nyckelord: automotive safety, decision-making, collision avoidance, autonomous braking, autonomous steering



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Denna post skapades 2011-08-23. Senast ändrad 2017-06-28.
CPL Pubid: 144753

 

Institutioner (Chalmers)

Institutionen för signaler och system, Mekatronik (2005-2017)

Ämnesområden

Informations- och kommunikationsteknik
Transport
Reglerteknik
Signalbehandling
Farkostteknik

Chalmers infrastruktur

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Denna publikation ingår i:


Decision-Making in Automotive Collision Avoidance Systems