نتایج جستجو برای: mixed traffic

تعداد نتایج: 317017  

Background: Iran has a uniquely catastrophic status for road traffic injury and fatality. Fars province has had the highest number of casualties among the other provinces in recent 5 years. For instance, there are 966 road accident fatalities in 2018. Shiraz-Kazerun road is the deadliest one in Fars province. So, to help the policymakers toward better planning, this study was established to ide...

2003
Matthew V. Mahoney Philip K. Chan

We investigate potential simulation artifacts and their effects on the evaluation of network anomaly detection systems in the 1999 DARPA/MIT Lincoln Laboratory off-line intrusion detection evaluation data set. A statistical comparison of the simulated background and training traffic with real traffic collected from a university departmental server suggests the presence of artifacts that could a...

Journal: :Journal of Visualization and Computer Animation 2015
Qianwen Chao Zhigang Deng Xiaogang Jin

Simulation of real-world traffic scenarios is widely needed in virtual environments. Different from many previous works on simulating vehicles or pedestrians separately, our approach aims to capture the realistic process of vehicle–pedestrian interaction for mixed traffic simulation. We model a decision-making process for their interaction based on a gap acceptance judging criterion and then de...

1998
Petros Ioannou

The design of Automated Highway Systems (AHS) involves the use of advancedtechnologies and automation to make the current transportation system more efficient interms of capacity, safety and pollution. The principal question is whether thesetechnologies will lead to any benefits in terms of safety, capacity and traffic flowcharacteristics as the degree of penetration in the curr...

Journal: :Automatica 2016
Samuel Coogan Murat Arcak

We consider global stability of a flow network model for vehicular traffic. Standard approaches which rely on monotonicity of flow networks for stability analysis do not immediately apply to traffic networks with diverging junctions. In this paper, we show that the network model nonetheless exhibits a mixed monotonicity property. Mixed monotonicity allows us to prove global asymptotic stability...

2009
Baibai Fu

In this paper, we first develop the concept of the maximum entropy function for equilibrium programming by employing prior distribution information and Kullback entropy. It plays a key role in entropy function method for solving equilibrium programming. After analyze and discuss the relation with the model transformation equivalent applied in mixed traffic assignment problems, and finally we gi...

Journal: :CoRR 2009
Li Li Yudong Chen Yi Zhang

In this short paper, we propose a new multi-fractal flow model, aiming to provide a possible explanation for the crossover phenomena that appear in the estimation of Hurst exponent for network traffic. It is shown that crossover occurs if the network flow consists of several components with different Hurst components. Our results indicate that this model might be useful in network traffic model...

Journal: :international journal of civil engineering 0
sh. afandizadeh iran university of science and technology m. yadak iran university of science and technology n. kalantar iran university of science and technology

the congestion pricing has been discussed as a practical tool for traffic management on urban transport networks. the traffic congestion is defined as an external diseconomy on the network in transport economics. it has been proposed that the congestion pricing would be used to reduce the traffic on the network. this paper investigates the cordon-based second-best congestion-pricing problems on...

2012
M. van den Berg B. De Schutter A. Hegyi J. Hellendoorn

We consider coordinated traffic control for networks consisting of both urban roads and freeways. One of the main problems that has to be addressed when designing traffic control strategies for such networks is that we should prevent a shift of problems from the urban network to the freeway network (or vice versa) due to the applied control strategy. First, we develop an integrated model to des...

ژورنال: علوم آب و خاک 2008
بیات, حسین , مصدقی, محمدرضا , حاج‌عباسی, محمدعلی , محبوبی, علی اکبر,

  Tillage is one of the important managing factors that can destroy or improve soil structure. Soil structure is affected by the machines and shape of the wheels. Field experiments were conducted at Hamadan Agricultural Research Station on a coarse loamy mixed mesic Calcixerolic Xerocrepts soil to measure and evaluate the effects of tillage and wheel-induced compaction on selected soil physical...

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