Controlling Vehicle Platoon to Alleviate Shockwave Propagation

Paper #:
  • 2013-01-0022

Published:
  • 2013-03-25
DOI:
  • 10.4271/2013-01-0022
Citation:
Suzuki, H. and Katayama, T., "Controlling Vehicle Platoon to Alleviate Shockwave Propagation," SAE Technical Paper 2013-01-0022, 2013, doi:10.4271/2013-01-0022.
Pages:
8
Abstract:
In this study, a scheme for controlling the deceleration rate required to alleviate shockwave propagation in a vehicle platoon is proposed. Assuming a three-vehicle platoon, the deceleration rates of the 2nd and the 3rd vehicles were modeled so as to minimize the speed of the shockwave that propagates through the platoon. The effect of the decelerating two vehicles on a 4th following vehicle was also evaluated. Numerical analysis showed that an earlier and slightly more rapid deceleration rate significantly decreased the speed of the shockwave propagated by the first three vehicles. Furthermore, even though the shockwave was amplified through the 2nd to 4th vehicles, this negative effect could be eliminated by applying the same control strategy to the 3rd and 4th vehicles.
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