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An extended car-following model is proposed by incorporating the anticipative information by vehicle to vehicle. The stability condition of the proposed model is obtained by using the linear stability theory. The results show that the anticipative information can promote the stability of traffic flow. Numerical simulations are carried out, and the results are consonant with the theory ones.
Former research of transport reliability focuses on road network, few of which refer to the intersection traffic reliability in microcosmic level. The paper proposes the conception of traffic reliability based on which the supply-demand reciprocity is analyzed, and brings forward the methodology that the disabled condition should be differentiated according to distinct system functions. Aiming at...
Firstly the necessity of the design of signal coordination control system in urban main roads is presented , and the design thinking and process of the signal coordination control system is given, then according to the design thinking and process create a model of signal coordination control system in urban main road., and Qingyang Road of LAN Zhou City is taken for example, based on the survey data...
Nowadays, Rail-guided Vehicle (RGV) has been widely used in the logistics system, and some large storage systems often use double RGV to operation simultaneously. Then RGV operation policy and influence on the efficiency of the logistics system become interesting problems to designers. This article describes the Path-divided Mode and the Path-integrated Mode of operating policy of double RGV transportation...
Relating the microscopic parameters to the macroscopic characteristics of traffic flow by mechanism deduction can make the calibration of the microscopic parameters conveniently and efficiently. The corresponding researches of the steady state flow have been reported in the literature. However, as the steady states are easy to be broken by disturbances and other factors, the actual traffic flow is...
A new method integrating reduced model and mixed design variables is proposed and applied in the lightweight design of a bus skeleton for the purpose of mass reduction without loss in structural performance. A whole skeleton model and a reduced model are built. All parts except chassis and floor assembly are reduced out using static reduction method. Reduced model is verified with finite element analysis...
This paper presents a comparative analysis, set in Vanet scenarios and based on simulations, between the well-known IEEE 802.11p standard and an efficient slotted protocol based on RR-Aloha (MS-Aloha). Notably the chosen slotted protocol is completely distributed and based on reservation, and has been specifically designed to face issues typical of mobility, while preserving quality of service guarantee...
Based on introducing the essentiality on the fault diagnosis and fault prognostication on the mainly transmission system of armored vehicle, applying the FHR arithmetic completes modeling and identification of fault prognostication modal of the mainly transmission system of armored vehicle. The concrete modeling process includes the test and pretreatment of test data, the model choice, model parameter...
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