نتایج جستجو برای: transportation model

تعداد نتایج: 2147548  

Journal: :space ontology international journal 2015
pantea lotfi kazemi manouchehr tabibian

land use planning is the main core of urban planning and one of the main components of an urban system. this element has close relation with transportation system of the city, so if their interaction becomes insufficient, deterioration and chaos would have an adverse impact on the urban system and would cause serious environmental issues. the integrated land use-transportation models seem to b...

1998
DAVID M. LEVINSON YUANLIN HUANG D. M. Levinson

D. M. Levinson, Institute of Transportation Studies, University of California at Berkeley, Berkeley, Calif. 94720. Y. Huang, Transportation Planning Division, Maryland National Capital Park and Planning Commission, 8787 Georgia Avenue, Silver Spring, Md. 20910. A transportation planning model that integrates regional and local-area forecasting approaches is developed and applied. Although regio...

Fuel consumption is one of the main contemporary issues in transportation sector. Because the fuel is subsidized in Iran, reducing fuel consumption has benefits for both the government and private sector. One of the most important areas of fuel consumption is the industry scope. In this area, reducing fuel consumption has important benefits such as reducing the total costs of finished products ...

Journal: :نشریه دانشکده فنی 0
فریبرز جولای رضا توکلی مقدم جعفر رزمی پدرام صهبا

in this paper, a supplier-retailer transportation system is investigated as a two-echelon environment. there is a single location in each echelon; the unique supplier at the first echelon has to replenish the retailer's warehouse at the second echelon. by the way, the shortage situation should be avoided. for this situation, a model is provided based on the traditional eoq model. the inven...

Journal: Iranian Economic Review 2017

  The main purpose of this study is to estimate the maritime transportation elasticities of the environmental pollution and economic growth in Iran within the short-run and long-run to find out the relationships among maritime transportation, environmental pollution and economic growth. The lagged endogenous model (a dynamic log-linear model that we used) is estimated using two distinctive ...

Journal: :international journal of industrial mathematics 2015
s. sedehzadeh‎ r. tavakkoli-‎moghaddam‎‎ f. jolai‎

one main group of a transportation network is a discrete hub covering problem that seeks to minimize the total transportation cost. this paper presents a multi-product and multi-mode hub covering model, in which the transportation time depends on travelling mode between each pair of hubs. indeed, the nature of products is considered different and hub capacity constraint is also applied. due to ...

Journal: :محیط شناسی 0
مهرداد هادی پور استادیار گروه محیط زیست، دانشکدة کشاورزی و منابع طبیعی، دانشگاه اراک شراره پورابراهیم دانشگاه اراک، دانشکدة کشاورزی و منابع طبیعی، استادیار گروه محیط زیست،

increasing urban network has both positive (accessibility) and negative (air pollution) impacts. in this research air quality is chosen as key elements with respect to their critical roles in quality of life and urban health. the overall objective of this study is to develop a mathematical model to plan appropriate locations for residential land uses and urban transportation network development...

Journal: :iranian journal of mechanical engineering transactions of the isme 2013
a. ghaffari a.r. khodayari s. salehinia m. nouri-khajavi m.r. arbab tafti

the control of car following is essential due to its safety and its operational efficiency. for this purpose, this paper builds a model of car following behavior based on armax structure from a real traffic dataset and design a model predictive control (mpc) system. based on the relative distance and relative acceleration of each instant, the mpc predicts the future behavior of the leader vehic...

Journal: :Procedia - Social and Behavioral Sciences 2012

Journal: :International Journal of Advanced Studies 2017

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