Volume 21 (2023)
Volume 20 (2022)
Volume 19 (2021)
Volume 18 (2020)
Volume 17 (2019)
Volume 16 (2018)
Volume 15 (2017)
Volume 14 (2016)
Volume 13 (2015)
Volume 12 (2015)
Volume 11 (2014)
Volume 9 (2012)
Volume 10 (2012)
Volume 8 (2010)
Volume 6 (2007)
Volume 5 (2006)
Volume 4 (2006)
Volume 3 (2005)
Volume 2 (2004)
Volume 1 (2003)
production and operations management
Solving a Robust Balancing & Sequencing of Robotic U Shape Assembly Line Problem by Harmony Search Algorithm

Mahsa Sobhi shojaa; Parvaneh Samouei

Volume 19, Issue 63 , January 2022, , Pages 231-262


  In the recent years, robots have been widely used in assembly systems as called robotic assembly lines where a set of tasks have to be assigned to stations and each station needs to select one of the different robots to process the assigned tasks. Our focus is on u-type layouts because they are widely ...  Read More

A Bi-Objective Model to Design Closed-Loop Supply Chain Network under Uncertainty

Zahra Safari

Volume 17, Issue 54 , October 2019, , Pages 223-262


  By increasing attention to environmental issues, the problem of design closed-loop supply chain has been more important. The integrated design of closed-loop supply chains as one of the most important issues in the management of supply chains involve determining the location and number of required facilities ...  Read More

A robust optimization model for multi-site aggregate production planning of perishable products under conditions of uncertainty with postponement policy

Adel Aazami; Ahmad Makui

Volume 14, Issue 43 , January 2017, , Pages 27-51


  In this paper, multi-site aggregate production planning for the production of perishable products such as gifts of New Year, calendars and maturities by postponement policy in uncertainty conditions is determined. The production process for these products is proposed to be divided into two phases including ...  Read More

Designing and Solving Multi-Objective Optimization Model for Healthcare Networks with Risk Pooling Effect Under Uncertainty: Robust Optimization Method

Behnam Vahdani

Volume 14, Issue 41 , July 2016, , Pages 65-108


  In this research, a multi-objective mixed integer programming model is presented to design a healthcare network with risk pooling effect. Since the model parameters have also uncertainty, for closing the model to reality, using robust optimization approach, the model is also extended in a state of uncertainty. ...  Read More

Robust optimization approach for Supplier selection and order allocation in an uncertain environment

Yalda Yahyazade; Laya Olfat; Maghsod Amiri

Volume 14, Issue 40 , April 2016, , Pages 25-52


  Appropriate management of supply chain is one of the issues facing economic firms that affect all the organizational activities in order to produce the goods and provide the services. Consequently Supplier selection due to involvement of various qualitative and quantitative criteria such as quality, ...  Read More

Robust Mathematical Model for Projects' Portfolio Selection and Solving with Non Dominated Sorting Genetic Algorithm II

Abas Fadaei; Masood Rabieh; Mostafa Zandieh

Volume 14, Issue 40 , April 2016, , Pages 53-74


  Considering that the active companies in the field of oil, gas,petrochemical and other energies are project-based and also theincrease of gas applicants who have taken policy of replacing the gasinstead of other fossil fuels, have imposed certain condition onorganizations and project managers in the ...  Read More

Failure Mode and Effects Analysis By using Robust Data Envelopment Analysis

Alireza Alinezhad; Niki Jalili Taghavian

Volume 13, Issue 39 , January 2016, , Pages 115-144

  Improving products quality and services is the best and most important factor to win competitors and get majority of the market share. In this regard, Failue mode and Effect analysis is an efficient tool to improve the quality products. Considering many criticisms to taraditional method, the risk priority ...  Read More

A new robust model for inventory- locating of single-Periodical supply chain with three-echelon for small and medium business enterprises with uncertain demand

Nafiseh Aghabozorgi; Seyed Mojtaba Sajadi; Mahdi Alinaghian

Volume 13, Issue 38 , October 2015, , Pages 99-132

  Today, field of production and service is faced with competition among the supply chains by changing the competition pattern of the independent companies. Most of the small and medium businesses (SMEs) still use traditional viewpoint for supply, production and distribution planning. It means, each of ...  Read More

Development of network location in the state of Uncertainty (ROBUST State)

Alireza Alinajad; Samrand Salari; Azadeh Seif

Volume 10, Issue 26 , January 2012, , Pages 123-146

  This research investigates issues relating to facilities location whichcovers network design under the conditions of uncertainty and robuststate. In this direction a model is developed in which lack of certaintyis taken into consideration regarding parameters such as demand andvarious costs. Unlike the ...  Read More