نتایج جستجو برای: gams software

تعداد نتایج: 438334  

Journal: :iranian economic review 2015
hamid hooshmandi majid sameti rozita moayedfar

f or several decades, the selection of a proper tax base has been among the most serious concerns for the economic policy makers. the computable general equilibrium models analysis provides a comprehensive framework for the investigation of the effects of the adopted policies on the economy of a country. in the present study, using a static computable general equilibrium, the effects of tax re...

Journal: :Verimlilik dergisi 2022

Purpose: In this study, a mixed-integer programming model is developed to minimize the total lateness and completion time of jobs in an automotive company. order respond rapidly continuous customer demand through production, work schedule engineers research development department considered flexibly. Methodology: supported by analytical hierarchy process determine weighted values tardiness time...

Journal: :Electronics 2021

This paper deals with the problem of optimal selection and location batteries in DC distribution grids by proposing a new mixed-integer convex model. The exact nonlinear model is transformed into quadratic (MIQC) approximating product among voltages power balance equations as hyperplane. most important characteristic our proposal that MIQC formulations ensure global optimum reaching via branch ...

Journal: :Applied sciences 2021

This paper presents a method for coordinated network expansion planning (CNEP) in which the difference between total cost and flexibility benefit is minimized. In proposed method, generation (GEP) of wind farms with transmission (TEP) problem by using energy storage systems (ESSs) to improve flexibility. To consider impact reactive power CNEP problem, AC flow model used. The constraints include...

Journal: :مهندسی صنایع 0
جعفر رزمی استاد دانشکده مهندسی صنایع و سیستم ها-پردیس دانشکده های فنی-دانشگاه تهران ماریا یوسفی دانش آموخته کارشناسی ارشد دانشکده مهندسی صنایع و سیستم ها-پردیس دانشکده های فنی-دانشگاه تهران

this research presents and solves a new mathematical model for school bus routing problem (sbrp). sbrp is a specific case of vehicle routing problem (vrp). despite prevalent models, this model includes location and routing simultaneously. besides, the vehicles are non-homogenous. in addition, instead of locating schools which are the depots, we consider locating bus stops that are mentioned &ap...

Journal: :Applied sciences 2021

The problem of reactive power compensation in electric distribution networks is addressed this research paper from the point view combinatorial optimization using a new discrete-continuous version vortex search algorithm (DCVSA). To explore and exploit solution space, codification vector proposed, where discrete part determines nodes static compensator (D-STATCOM) will be installed, continuous ...

Journal: :ecopersia 2011
naveed alam theo n. olsthoorn

farmers in the indus basin, pakistan have generally switched to groundwater for additional water supplies due to the irregular supply of irrigation water; currently over 50% of the agricultural land in the basin is at least partially irrigated by tube-wells. these wells pump fresh groundwater, which essentially is the result of massive leakage from irrigation canals into the originally saltwate...

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