NDLI: Bifurcation of lane change on highway for large bus

Content Provider	IET Digital Library
Author	Tao, Peng Wei, Guan Zhi Hui, Zhang Rong Ling, Huang Guo, Xu Hong Fei, Liu Hong
Abstract	In this study, a new method is proposed for analysing the non-linear dynamics and stability in lane changes on highways by large buses. Unlike most of the literature associated with a simulated linear dynamic model for large buses, a verified 4DOF mechanical model with non-linear tire based on vehicle test is used in the lane-change simulation, including sinusoidal steering and steer returning. According to Jacobian matrix eigenvalues of the vehicle model, bifurcations of steady steering, sinusoidal steering and steer returning with disturbance on highways are investigated using a numerical method. The numerical simulation results reveal that Hopf bifurcations are identified in steady and sinusoidal steering conditions, which translates into an oscillatory behaviour leading to instability. Various equilibrium forms of stability are found, as well as saddle and Hopf bifurcations with disturbance ζ variety. The derived knowledge of the bifurcations set is hugely important to fully understand the actual dynamic motions of vehicles when lane changing on an even surface. It is a valuable reference for safety design of large buses to improve the traffic safety of driver–vehicle–road closed-loop system.
Starting Page	475
Ending Page	484
Page Count	10
ISSN	1751956X
Volume Number	11
e-ISSN	17519578
Issue Number	Issue 8, Oct (2017)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/iet-its/11/8
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/iet-its.2016.0238
Journal	IET Intelligent Transport Systems
Publisher Date	2017-06-13
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	4DOF Mechanical Model Algebra Bifurcation Driver-vehicle-road Closed-loop System Eigen Values And Eigen Function Hopf Bifurcations Jacobian Matrix Jacobian Matrix EigenValue Lane Change Bifurcation Lane-change Simulation Nonlinear Control System Nonlinear Dynamical System Nonlinear Dynamics Analysis Road Traffic System Control Road Vehicle Roads Safety Design Simulated Linear Dynamic Model Sinusoidal Steering Stability Stability in Control Theory Steady Steering Steer Returning Steering System Traffic Safety Vehicle Model
Content Type	Text
Resource Type	Article
Subject	Law Transportation Environmental Science Mechanical Engineering

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