نتایج جستجو برای: traffic network equilibrium problem

تعداد نتایج: 1618073  

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...

By pervasiveness of cloud computing, a colossal amount of applications from gigantic organizations increasingly tend to rely on cloud services. These demands caused a great number of applications in form of couple of virtual machines (VMs) requests to be executed on data centers’ servers. Some of applications are as big as not possible to be processed upon a single VM. Also, there exists severa...

Journal: :international journal of environmental research 2012
sh. afandizadeh n. kalantari h. rezaeestakhruie

nowadays, the environmental impact of transportation project and, especially air pollution impacts, are major concerns in evaluating transportation projects. based on this concern, beside definition of traditional objective functions like total travel time and total investment cost, different type of environmental related function is considered as objective function in urban network design. in...

2005
ANASTASIOS A. ECONOMIDES

Tranditionally traffic control in communication networks is seeking the optimization of a single network-wide performance objective. Thus, it is assumed that all users and traffic classes in the network have the same objective and cooperate to optimize it. However, in the modern Asynchronous Transfer Mode (ATM) networks, there are multiple users and traffic classes, each with completely differe...

2005
Yuya Sasaki Nicholas S. Flann

This chapter demonstrates an application of agent-based selection dynamics to the traffic assignment problem. We introduce an evolutionary dynamic approach that acquires payoff data from multi-agent reinforcement learning to enable a adaptive optimization of traffic assignment, provided that classical theories of traffic user equilibrium pose the problem as one of global optimization. We then s...

Journal: :JCP 2012
Meng Meng Chun-fu Shao Cheng-xiang Zhuge Jing-jing Zeng Chun-jiao Dong

This paper proposes a stochastic user equilibrium assignment model for ascertaining the difference in the travel mode choice behavior in a degradable multi-modal traffic network. In the proposed model, on the basis of the actual travel behavior which often needs to transfer different traffic modals, all the travels are categorized into two classes: pure car trip travelers and combined mode trip...

2004
Huey-Kuo Chen Huey-Wen Chou

A supply chain network equilibrium problem was recently formulated using the variational inequality approach and solved with the modified projection method. Assuming the vector function F that enters the variational inequality is strictly monotone and Lipschitz continuous (and that a solution exists). The realization of the modified projection algorithm for the supply chain network equilibrium ...

پایان نامه :دانشگاه آزاد اسلامی - دانشگاه آزاد اسلامی واحد تهران مرکزی - دانشکده برق و الکترونیک 1390

there are many approaches for solving variety combinatorial optimization problems (np-compelete) that devided to exact solutions and approximate solutions. exact methods can only be used for very small size instances due to their expontional search space. for real-world problems, we have to employ approximate methods such as evolutionary algorithms (eas) that find a near-optimal solution in a r...

Journal: :Mathematical and Computer Modelling 2000

2006
Michael Mahut Michael Florian Nicolas Tremblay

This paper reports on the evaluation of alternative algorithms for dynamic, or time-varying, equilibrium traffic assignment. The algorithms are used for pre-trip assignment, which reflects driver familiarity with expected traffic conditions, and are appropriate for off-line applications which require a more detailed analysis – such as temporal network flows and sensitivity to traffic control me...

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