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Safety in the Face of Uncertainty

Critical Headway Estimation in Cooperative Adaptive Cruise Control

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Abstract

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 introduce a method for critical headway approximation that can handle uncertainty in vehicle state, vehicle behaviour and communication in real-time. We validate our method using Monte Carlo simulations where we simulate emergency braking situations to ascertain the safe headway.

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Notes

  1. From the Wall Street Journal, November 3, 2010: http://blogs.wsj.com/brussels/2010/11/03/europes-traffic-jam-capitals

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Authors and Affiliations

  1. Vrije Universiteit Amsterdam, Amsterdam, The Netherlands

    Willem van Willigen & Evert Haasdijk

  2. TNO Netherlands, The Hague, The Netherlands

    Willem van Willigen, Leon Kester & Ellen van Nunen

Authors
  1. Willem van Willigen
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  2. Leon Kester
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  3. Ellen van Nunen
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  4. Evert Haasdijk
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Correspondence to Willem van Willigen.

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van Willigen, W., Kester, L., van Nunen, E. et al. Safety in the Face of Uncertainty. Int. J. ITS Res. 13, 95–106 (2015). https://doi.org/10.1007/s13177-014-0087-y

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  • DOI: https://doi.org/10.1007/s13177-014-0087-y

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