Volume 6, Issue 11

 

ارسال های اخیر

  • Dynamic modeling to determine production strategies in order to maximize net present worth in small and medium size companies 

    Kiyani, B؛ Shahnazari Shahrezaei, P؛ Kazemipoor, H؛ Fallah, M (Islamic Azad University, South Tehran Branch, 2010-08-01)
    Determining production rate considering costs and revenues in order to maximize profit is one of the applied problems in small and medium size factories. Mostly existing models in production planning consider production ...

  • Yard crane scheduling in port container terminals using genetic algorithm 

    Javanshir, H؛ Seyedalizadeh Ganji, S.R (Islamic Azad University, South Tehran Branch, 2010-08-01)
    Yard crane is an important resource in container terminals. Efficient utilization of the yard crane significantly improves the productivity and the profitability of the container terminal. This paper presents a mixed integer ...

  • Determining maintenance system requirements by viewpoint of availability and lean thinking: A MODM approach 

    Ghayebloo, S؛ Babaei, H (Islamic Azad University, South Tehran Branch, 2010-08-01)
    Since lean concept has appeared many works have been done on decreasing or even eliminating of wastes such as extra inventory. Although these studies have not taken into account expected availability seriously. So in this ...

  • A redundancy allocation problem with the choice of redundancy strategies by a memetic algorithm 

    Safari, J؛ Tavakkoli-Moghaddam, R (Islamic Azad University, South Tehran Branch, 2010-08-01)
    This paper proposes an efficient algorithm based on memetic algorithm (MA) for a redundancy allocation problem without component mixing (RAPCM) in a series-parallel system when the redundancy strategy can be chosen for ...

  • Assembly line balancing to minimize balancing loss and system loss 

    Roy, D؛ Khan, D (Islamic Azad University, South Tehran Branch, 2010-08-01)
    Assembly Line production is one of the widely used basic principles in production system. The problem of Assembly Line Balancing deals with the distribution of activities among the workstations so that there will be maximum ...

  • A graphical instrument for performance analysis of contractors 

    Yu, K.T؛ Shen, C.Y؛ Huang, D.K (Islamic Azad University, South Tehran Branch, 2010-08-01)
    The relationship between the manufacturer and supplier has changed from one of competition into that of greater cooperation during recent years. The selection and evaluation of suppliers are primary and important issues ...

  • A profit Malmquist productivity index 

    Tohidi, GH؛ Razavyan, SH؛ Tohidnia, S (Islamic Azad University, South Tehran Branch, 2010-08-01)
    In some situations the producers desire to maximize total profit of Decision Making Units (DMUs) while the inputs and outputs prices of DMUs change from one time period to another. In this paper, the researchers develop ...

  • Fuzzy completion time for alternative stochastic networks 

    Hashemin, S.S (Islamic Azad University, South Tehran Branch, 2010-08-01)
    In this paper a network comprising alternative branching nodes with probabilistic outcomes is considered. In other words, network nodes are probabilistic with exclusive-or receiver and exclusive-or emitter. First, an ...