Critical headway estimation under uncertainty and non-ideal communication conditions
conference paper
This article proposes a safety check extension to Adaptive Cruise Control systems where the critical headway time is estimated in real-time. This critical headway time estimate enables automated reaction to crisis circumstances such as when a preceding vehicle performs an emergency brake. We discuss a method for critical headway approximation that can handle uncertainty in vehicle state, vehicle behaviour and communication in real-time. We then introduce an extension to the method that can handle effects of loss of messages and effects of event-based messaging the loss of messages. We simulate non-ideal communication and analyse how the critical headway time depends on the communication frequency. © 2014 IEEE.
Topics
TNO Identifier
527750
ISBN
9781479960781
Publisher
Institute of Electrical and Electronics Engineers Inc.
Article nr.
6957711
Source title
2014 17th IEEE International Conference on Intelligent Transportation Systems, ITSC 2014
Pages
320-327
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