Journal
TRANSPORTATION RESEARCH PART C-EMERGING TECHNOLOGIES
Volume 46, Issue -, Pages 46-64Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.trc.2014.04.014
Keywords
Connected cruise control (CCC); Head-to-tail string stability; Acceleration feedback; Time delay; Robustness; DSRC
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Funding
- Div Of Civil, Mechanical, & Manufact Inn
- Directorate For Engineering [1300319] Funding Source: National Science Foundation
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In this paper, acceleration-based connected cruise control (CCC) is proposed to increase roadway traffic mobility. CCC is designed to be able to use acceleration signals received from multiple vehicles ahead through wireless vehicle-to-vehicle (V2V) communication. We consider various connectivity structures in heterogeneous platoons comprised of human-driven and CCC vehicles. We show that inserting a few CCC vehicles with appropriately designed gains and delays into the flow, one can stabilize otherwise string unstable vehicle platoons. Exploiting the flexibility of ad-hoc connectivity, CCC can be applied in a large variety of traffic scenarios. Moreover, using acceleration feedback in a selective manner, CCC provides robust performance and remains scalable for large systems of connected vehicles. Our conclusions are verified by simulations at the nonlinear level. (C) 2014 Elsevier Ltd. All rights reserved.
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