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Civil-Comp Proceedings
ISSN 1759-3433
CCP: 100
PROCEEDINGS OF THE EIGHTH INTERNATIONAL CONFERENCE ON ENGINEERING COMPUTATIONAL TECHNOLOGY
Edited by: B.H.V. Topping
Paper 138

Vehicle Platoon Control Based on a Multi-Leader Vehicle Following Model

E. Kita, H. Shimizu, S. Nishiyama and Y. Wakita

Graduate School of Information Sciences, Nagoya University, Japan

Full Bibliographic Reference for this paper
E. Kita, H. Shimizu, S. Nishiyama, Y. Wakita, "Vehicle Platoon Control Based on a Multi-Leader Vehicle Following Model", in B.H.V. Topping, (Editor), "Proceedings of the Eighth International Conference on Engineering Computational Technology", Civil-Comp Press, Stirlingshire, UK, Paper 138, 2012. doi:10.4203/ccp.100.138
Keywords: platoon, Chandler model, multi-leader vehicle following model, stability analysis.

Summary
Grouping vehicles into platoons is a method of increasing the capacity of roads. Platoons decrease the distances between vehicles using electronic, and possibly mechanical, coupling. The automated highway system is a proposal for one such system, where cars organize themselves into platoons.

In this study, we will discuss the velocity control of the vehicles in the platoon. A Chandler-type multi-leader vehicle following model is used for the velocity control of a platoon of five vehicles. The Chandler-type multi-leader vehicle following model controls the velocity according to the velocity differences from each vehicle to all leader vehicles.

When follower vehicles have multiple leader vehicles, the processing of information from all leader vehicles is very complicated. Therefore, the stability analysis of the vehicle following model and the maximization of the sensitivities for the leader vehicles determines adequate and a smaller input data set.

The effectiveness of the selected parameter sets is discussed in the traffic flow simulation. The traffic simulation results according to the single- and multi-leader vehicle following model were compared.

In the case of a multi-leader vehicle following model, the velocity can be changed according to the velocities of both the lead and the nearest leader vehicles and thus, the following vehicles notice the velocity reduction of the lead vehicle sooner than in the case of a single-leader vehicle following model. Therefore, it is concluded that the velocity fluctuation of the follower vehicles can be saved if they move according to the multi-leader vehicle following model.

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