Robust control of heterogeneous vehicular platoon with uncertain dynamics and communication delay

Platoon formation of highway vehicles has the potential to significantly enhance road safety, improve highway utility, and increase traffic efficiency. However, various uncertainties and disturbances that are present in real-world driving conditions make the implementation of vehicular platoon a challenging problem. This study presents an H-infinity control method for a platoon of heterogeneous vehicles with uncertain vehicle dynamics and uniform communication delay. The requirements of string stability, robustness and tracking performance are systematically measured by the H-infinity norm, and explicitly satisfied by casting into the linear fractional transformation format. A delay-dependent linear matrix inequality is derived to numerically solve the distributed controllers for each vehicle. The performances of the controlled platoon are theoretically analysed by using a delay-dependent Lyapunov function which includes a linear quadratic function of states during the delay period. Simulations with a platoon of heterogeneous vehicles are conducted to demonstrate the effectiveness of the proposed method under random parameters and external disturbances
Publisher
INST ENGINEERING TECHNOLOGY-IET
Issue Date
2016-09
Language
ENG
Keywords

ADAPTIVE CRUISE CONTROL; AUTOMATED HIGHWAY SYSTEMS; LONGITUDINAL CONTROL; VEHICLES; DESIGN; STABILITY

Citation

IET INTELLIGENT TRANSPORT SYSTEMS, v.10, no.7, pp.503 - 513

ISSN
1751-956X
DOI
10.1049/iet-its.2015.0205
URI
http://hdl.handle.net/10203/213512
Appears in Collection
GT-Journal Papers(저널논문)
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