A novel multi-objective model for hub location problem considering dynamic demand and environmental issues

Adel Pourghader Chobar; Mohammad Amin Adibi; Abolfazl Kazemi

Volume 8, Issue 1 , July 2021, Pages 1-31


  Hubs facilitate aggregation of connection, and switching points of material and people flow to reduce costs as well as environmental pollution. Hub Location Problem (HLP) is a relatively new research field of classical location issues. In this regard, this paper provides a tourist hub location problem ...  Read More

Failure data analysis for preventive maintenance scheduling of a bottling company production system

Adekola Olayinka Oke; Joel Ashem Abafi; Banji Zacheous Adewole

Volume 8, Issue 1 , July 2021, Pages 32-44


  Equipment breakdown adds to the cost of production and considerably affect the overall equipment efficiency in automated lines due to unplanned downtime. Preventive maintenance with appropriate actions has been considered to enhance products quality, equipment reliability and minimize the probability ...  Read More

Optimization of the Multi-Objective Flexible Job Shop Scheduling model by applying NSGAII and NRGA Algorithms

Reza Ehtesham Rasi

Volume 8, Issue 1 , July 2021, Pages 45-71


  Scheduling is one of the key parameters to maintain competitive advantage of organizations, and can directly affect productivity, reduce production time and increase the profitability of an organization. Job shop scheduling problem (JSSP) seeks to find the optimal sequence of performing various jobs ...  Read More

Optimization of supply chain finance based on Stackelberg model

Ahmad Jafarnejad; Ghahreman Abdoli; Hannan Amoozad Mahdiraji; Saber Khalili Esbouei

Volume 8, Issue 1 , July 2021, Pages 72-88


  In recent years, the relationship between the concepts of operations management and finance management has been an attractive area of research among researchers. One of the emerging areas at the beginning of the 21st century in the literature of operations and supply chain management is the topic of ...  Read More

Coordination of the decisions associated with maintenance, quality control and production in imperfect deteriorating production systems

Seyed Mohammad Hadian; Hiwa Farughi; Hasan Rasay

Volume 8, Issue 1 , July 2021, Pages 89-113


  In this paper, a mathematical model is presented for the integrated planning of maintenance, quality control and production control in deteriorating production systems. The simultaneous consideration of these three factors improves the efficiency of the production process and leads to high-quality products. ...  Read More

Machine fault diagnosis through entropy weighting using evidential reasoning approach

Mehran Khalaj; Fereshteh Khalaj

Volume 8, Issue 1 , July 2021, Pages 114-134


  This paper presents an approach for the fault diagnosis in the state of fault in a machine by using a combination of the Dempster–Shafer (D-S) theory. At the first, feature extractions in each state have been combined based on evidential reasoning (ER) using kind of sensor information such as ...  Read More

Optimizing resiliency of train operations in an underground metro: A hybrid discrete-event simulation and response surface methodology

Ali Shahabi; Sadigh Raissi; Kaveh Khalili-Damghani; Meysam Rafei

Volume 8, Issue 1 , July 2021, Pages 135-151


  Avoiding the passengers extra waiting time is a vital task for rail planners. The current research focused on minimizing the passenger waiting time on the presence of real frequently random occurred disturbances. Details of the proposed model are on the 1st line of Tehran underground rail rapid transit. ...  Read More

A new approach for KPI ranking and selection in ITIL processes: Using simultaneous evaluation of criteria and alternatives (SECA)

Iman Baradari; Maryam Shoar; Navid Nezafati; Mohammadreza Motadel

Volume 8, Issue 1 , July 2021, Pages 152-179


  The importance of IT services in the life of businesses has led organizations to seek continuous evaluation of the quality of their IT services. In this regard, IT service management best practices such as Information Technology Infrastructure Library (ITIL), have introduced several processes for management ...  Read More

Developing a mathematical model for a multi-door cross-dock scheduling problem with human factors: A modified imperialist competitive algorithm

Iman Seyedi; Maryam Hamedi; Reza Tavakkoli-Moghadaam

Volume 8, Issue 1 , July 2021, Pages 180-201


  This paper deals with optimizing the multi-door cross-docking scheduling problem for incoming and outgoing trucks. Contrary to previous studies, it first considers the simultaneous effects of learning and deteriorating on loading and unloading the jobs. A mixed-integer linear programming (MILP) model ...  Read More

Developing an environmental vehicle routing problem with simultaneous pickup and delivery: Mathematical model and a discrete invasive weed optimization approach

Mohammad Hossein Sadat Hosseini Khajouei; Nazanin Pilevari

Volume 8, Issue 1 , July 2021, Pages 202-217


  Nowadays, environmental deterioration is one of the most noticeable issues in logistics, so that the organizations are required to control the triggers of environmental contaminations generation. One of the most effective steps in addressing this term is to design transportation network considering CO2 ...  Read More

Determining the optimal portfolio for healthcare processes management using a hybrid decision-making approach

Armin Cheraghalipour; Emad Roghanian

Volume 8, Issue 1 , July 2021, Pages 218-239


  Due to the increasing progress in various industries, paying attention to the internal processes of the organizations is more visible to stay on the competitive scene. Therefore, many organizations attempt to simplify and evaluate their internal processes using re-engineering. By reviewing the conducted ...  Read More

Sustainable closed-loop supply chain network: Mathematical modeling and Lagrangian relaxation

Behrooz Khorshidvand; Hamed Soleimani; Mir Mehdi Seyyed Esfahani; Soheil Sibdari

Volume 8, Issue 1 , July 2021, Pages 240-260


  This paper addresses a novel two-stage model for a Sustainable Closed-Loop Supply Chain (SCLSC). This model, as a contribution, provides a balance among economic aims, environmental concerns, and social responsibilities based on price, green quality, and advertising level. Therefore, in the first stage, ...  Read More