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http://ieeexplore.ieee.org/xpls/abs_all.jsp?arnumber=7225815

 

Demonstration of disturbance propagation and amplification in car-following situation for enhancement of vehicle platoon system

 

Disturbance propagation and string stability of a large vehicle platoon that consists of a part of the traffic flow is closely related to traffic shockwaves and oscillation. In this respect, the concepts of the estimation and prediction of shockwave propagation speeds and congestion should be considered in order to establish a control strategy for safe conditions without collisions even when the congestion is amplified in an unstable string of the large platoon. This means that an advanced approach for a car-following control strategy, which includes a time delay and non-linearity terms, is necessary for the enhancement of Vehicle Platoon Control (VPC) and the system robustness. In this research, we have demonstrated the effect of the disturbance propagation phenomenon on traffic flow stability. The traffic flow shockwave and oscillation are interpreted in terms of both macroscopic and microscopic approaches. We also discuss how the phenomenon affects VPC systems based on the optimal velocity model (OVM), which is an advanced car-following model. In addition, we improve the OVM, which is called the advanced OVM, by including a term for the delay time and by setting up a boundary condition of acceleration in order to enhance the VPC system and to ensure its robustness.

Published in:

Intelligent Vehicles Symposium (IV), 2015 IEEE

Date of Conference:

June 28 2015-July 1 2015

분류 제목 조회 수
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International Absolute Measurement and Relative Measurement of Ultrasonic Nonlinear Parameter   303368
International Influence of repetitive pulsed laser irradiation on the surface characteristics of an aluminum alloy in the melting regime   283270
International Real-time detection of surface cracks on silicon wafers during laser beam irradiation   249980
International Non-contact Measurement of Elastic Modulus by using Laser Ultrasonic   233107
Domestic Feasibility of MFC (Macro-Fiber Composite) Transducers for Guided Wave Technique   223280
International Assessment of Thermal Degradation by Cumulative Variation of Ultrasonic Nonlinear Parameter   208244
Domestic Imaging of Harmonic Wave Generated by Contact Acoustic Nonlinearity in Obliquely Incident Ultrasonic Wave   192072
International Evaluation of Ultrasonic Nonlinear Characteristics in Heat-Treated Aluminum Alloy (Al-Mg-Si-Cu)   191860
International Surface characteristics of aluminum 6061-T6 subjected to Nd:YAG pulsed-laser irradiation   187964
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International Experimental Comparison of Nonlinear Parameters Obtained from Absolute Measurement and Relative Measurement   168478
International Finite Difference Method Analysis of Ultrasonic Nonlinearity in Partially Degraded Material   160641
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International Fatigue-induced microdamage characterization of stainless steel 316L using innovative nonlinear acoustics   148560
International Demonstration of Disturbance Propagation and Amplification in Car-Following Situation for Enhancement of Vehicle Platoon System   147912
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