مرور Volume 52, Issue 4 بر اساس تاریخ انتشار
در حال نمایش موارد 1 - 13 از 13
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An mathematical model for surgery scheduling with considering Intensive Care Unit capacity constraint and multiple treatment routes
(University of Tehran, 2019-01-01)Scheduling and sequencing operations, as a decision making process, plays an integral role in most manufacturing and producing systems as well as most services environments. Scheduling is especially important in the field ...
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Sustainable Supply Chain Management and Strategic Decision Model Based on Social Costs Caused by Environmental Pollution
(University of Tehran, 2019-01-01)The forthcoming study provides a strategic decision making model that addresses the operational and social costs of environmental pollution resulting from the operation of such a supply chain network for sustainable supply ...
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Identification of the change point in panel data using simultaneously EWMAA and CUSUM
(University of Tehran, 2019-01-01)Identification of the change point in panel data leads practitioners to focus on the time when really a change takes place in the cross sectional data. Identification of the time helps one to provide a more realistic ...
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Scheduling in two-machine robotic cells assuming tool switching time and dependency of the processing time
(University of Tehran, 2019-01-01)A set of different parts are produced by robotic cells as cyclic and each part requires a number of tools on each machine in order to be completed; if the tools required for the part are not available in tool magazine ...
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Modelling the estimation of the optimum number of required equipment and manpower for operational processes under uncertainty conditions (case study: Textile industry)
(University of Tehran, 2019-01-01)The cost of design and building industrial systems is greatly affected by determining the exact number of machineries and human resources, consequently allowing to achieve a higher level of efficiency and productivity. ...
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Application of option contract in Epidemic control using vaccination
(University of Tehran, 2019-01-01)Drugs and vaccines supply chains are totally different than supply chain of other relief items. Therefore, there is a need for using appropriate control tools at post-disaster phase for controlling communicable diseases ...
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Modeling the abusive of some doctors of patient trust using Markov chain and ZD strategy
(University of Tehran, 2019-01-01)In the present study, the abusive of some doctors from trusting a patient to earn the more financial benefits is investigated using the Markov chain and Zero-Determinant (ZD) strategy. When someone gets sick and visits a ...
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Modeling the diffusion of dexterity among workers in the multi-skilled resource-constrained project scheduling problem
(University of Tehran, 2019-01-01)This paper proposes a new mixed-integer mathematical formulation for the multi-objective multi-skilled resource-constrained project scheduling problem. The objectives of the proposed model are to minimize the make-span and ...
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Modeling and forecasting economic growth by analyzing nonlinear time series
(University of Tehran, 2019-01-01)Correct prediction of economic growth in the long-term policy planning and sustainable development, plays an important role. One of the major issues in the forecast time series is methods to identify patterns to control ...
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Multi-cycle and multi-product Integrated and two objectives model for Production Planning and maintenance considering storage capacity limitations and minimizing the work force changes approach
(University of Tehran, 2019-01-01)The problem of production planning and Maintenance is one of the most important decision in production industries and because of their interaction, it is necessary to be studied simultaneously. These two problems are ...
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Evapotranspiration monthly using fuzzy neural network model and multiple regression model and comparing the results with real data of FAO Penman Monteith
(University of Tehran, 2019-01-01)In recent decades, due to the importance of the water issue and increased tendency to calculate the amount of runoff from precipitation, development and implementation of appropriate methods for predicting the precipitation ...
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Simulation of a dual-echelon iron pellet Supply Chain using System dynamics
(University of Tehran, 2019-01-01)Steel Supply Chain using Direct Reduction Method (DRI) includes all activities from supplying iron ore, concentrate, pellet, sponge iron and finally delivering the ultimate commodities to the steel production units. Different ...
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Pricing in a two-tier supply chain under carbon emission control strategies
(University of Tehran, 2019-01-01)In this paper, A two-tier supply chain, including a producer and a retailer is studied, taking into account motivational policies under conditions such as consumer environmental awareness that leads to the preference for ...



