Farzad Movahedi Sobhani
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View article: Simulation optimization of failure-prone manufacturing systems considering reliability-centered maintenance and defective items return
Simulation optimization of failure-prone manufacturing systems considering reliability-centered maintenance and defective items return Open
Production planning is a crucial activity in manufacturing systems. However, the failure of production units in these systems is inevitable and can disrupt the production processes. Implementing preventive maintenance and repair strategies…
Agent-based Decision Making and Control of Manufacturing System Considering the Joint Production, Maintenance, and Quality by Reinforcement Learning Open
Taking an integrated approach towards production, maintenance, and control in manufacturing systems is crucial due to the profound impact of their interconnections. Investigating these aspects in isolation may lead to infeasible solutions.…
A novel algorithm for complete ranking of DMUs dealing with negative data using Data Envelopment Analysis and Principal Component Analysis: Pharmaceutical companies and another practical example Open
When there is an extensive number of inputs and outputs compared to the number of DMUs, one of the drawbacks of Data Envelopment Analysis appears, which incorrectly classifies inefficient DMUs, as efficient ones. Accordingly, the DEA ranki…
Defense and Attack Strategy Optimization for Reliability Systems with Virtual Components and Active Redundancy with a Game Theory Approach Open
Today, one of the most basic strategies for a government's survival is to defend sensitive places and resources, and to achieve this goal, strategic and efficient approaches are required. The goal of this research is to determine the best …
Optimization of multi-objective reliability redundancy allocation problem with non-homogeneous components using mixed redundancy strategy under uncertainty conditions Open
In this paper, we introduce a new multi-objective model and solution method for the reliability-redundancy allocation problem (RRAP) in a series-parallel system to maximize system reliability and minimize total cost. Most studies on RRAP a…
An Estimation of an Acceptable Efficiency Frontier Having an Optimum Resource Management Approach, with a Combination of the DEA-ANN-GA Technique (A Case Study of Branches of an Insurance Company) Open
In this paper, a novel artificial intelligence technique for the estimation of near-optimal resource management is proposed. The model utilizes a two-stage data envelopment analysis to find the best-practice frontier of the decision-making…
Monitoring Sparse and Attributed Network Streams with MultiLevel and Dynamic Structures Open
In this study, we create a new monitoring system for change detection in sparse attributed network streams with multilevel or nested dynamic structures. To achieve this, we hypothesize that the contingency of establishing an edge between t…
A neutrosophical model for optimal sustainable closed-loop supply chain network with considering inflation and carbon emission policies Open
In this paper, a stable CLSC problem is modeled in conditions of uncertainty and indeterminacy. The SCN is designed to maximize NPV and minimize carbon releases by maintaining environment friendly policies and accounting for the increase. …
A comprehensive framework for solar panel technology selection: A BWM‐ MULTIMOOSRAL approach Open
Concerning the overwhelming advantages of solar energy, controlling and exploiting solar energy by using solar panels is one of the main fields of research in the domain of renewable energy. The choice of solar panel technology is highly s…
A sustainability approach to vehicle modular platform design: A mathematical model Open
Today, sustainability and its economic, social, and environmental pillars are the main elements of new product market development. Therefore, manufacturers, considering all stages of a product life-cycle, consider it necessary to have a fr…
View article: Examining the indices and the factors affecting agility of hospitals
Examining the indices and the factors affecting agility of hospitals Open
In the everchanging world of today, the proper management and administration of the challenges faced by the organizations is of the key goals aiming to successfully deal with continuous, dynamic, and unpredictable environmental changes. Th…
Overall Efficiency of Four‐Stage Structure with Undesirable Outputs: A New SBM Network DEA Model Open
Benchmarking is the major reason for the widespread use of DEA models for efficiency analysis. Determining the closest targets for DMUs, DEA models play a key role in benchmarking their best performance. In fact, these models help develop …
Optimizing Resource‐Constrained Project Scheduling Problem considering the Reliability Function Open
Resource‐constrained project scheduling has been a significant and practical problem in recent decades. In this research, besides previous assumptions and models regarding scheduling, the reliability function with a novel approach is inclu…
A Regionalization Model to Increase Equity of Access to Maternal and Neonatal Care Services in Iran Open
Objectives: Access to maternal and neonatal care services (MNCS) is an important goal of health policy in developing countries. In this study, we proposed a 3-level hierarchical location-allocation model to maximize the coverage of MNCS pr…
Determining the increased numerical value of customer satisfaction, which has been impacted by latent and observed factors in after-sales service in the automotive industry, based on System Dynamics Method. (A Case study in car manufacturer) Open
Contextualized in the field of customer satisfaction in after-sales service in the automotive industry, the authors contribute to increasing customer satisfaction in three fundamental ways. First, by offering a new conceptual framework tha…
Addressing a Humanitarian Relief Chain Considering Uncertain Demand and Deprivation Costs by a Hybrid LP-GA Method: An Earthquake in Kermanshah Open
Today, a great deal of attention to numerous disasters such as earthquakes, floods and terrorist attacks is motivated by humanitarian logistics. A comprehensive plan for relief logistic items under uncertainty is a challengeable concern fo…
An improved approach for fault detection by simultaneous overcoming of high-dimensionality, autocorrelation, and time-variability Open
The control charts with the Principal Component Analysis (PCA) approach and its extension are among the data-driven methods for process monitoring and the detection of faults. Industrial processing data involves complexities such as high d…
A Regionalization Model to Increase Equity of Access to Perinatal Care Services Open
BackgroundReducing neonatal mortality is one of the most important issue in developing countries. One powerful method to reduce the neonatal mortality rate is increase equity in access to health services by regionalization. This study empl…
Linguistic Z-number Muirhead mean operators and their applications in ethical-financial portfolio selection Open
Traditionally the performance of firms is evaluated by financial criteria, but this study presents a new qualitative comprehensive framework that incorporates the ethical criteria into the portfolio models and it is widely matched with the…
Linguistic Z-number weighted averaging operators and their application to portfolio selection problem Open
Z-numbers can generate a more flexible structure to model the real information because of capturing expert's reliability. Moreover, various semantics can flexibly be reflected by linguistic terms under various circumstances. Thus, this stu…
Linguistic Z-Number Bonferroni Mean and Linguistic Z-Number Geometric Bonferroni Mean Operators: Their Applications in Portfolio Selection Problems Open
The optimal combination of assets can be selected by the traditional portfolio theory which uses historical quantitative data to represent the future return of assets. However, quantitative information is inaccessible in most cases and exp…
Multistage Data Envelopment Analysis Model for Malmquist Productivity Index Using Grey's System Theory to Evaluate Performance of Electric Power Supply Chain in Iran Open
Evaluation of organizational performance is among the most important measures that help organizations and entities continuously improve their efficiency. Organizations can use the existing data and results from the comparison of units unde…
Shared Subscribe Hyper Simulation Optimization (SUBHSO) Algorithm for Clustering Big Data – Using Big Databases of Iran Electricity Market Open
Many real world problems have big data, including recorded fields and/or attributes. In such cases, data mining requires dimension reduction techniques because there are serious challenges facing conventional clustering methods in dealing …
Framework of Using Data Mining for Business Process Improvment Open
Organizations should consider process improvement for promoting their performance. The main problem is the high volume of process dataset along with the wide variety of their features that leads to increase the complexity in process improv…
Extracting Sustainable Urban Water Policies with Dynamic System Approach (Case Study: Qom City) Open
Qom city (located in the central desert of Iran) has always faced the problem of water shortage. In recent years, due to various reasons such as urbanization, increased immigration and tourism prosperity, this problem has become a more ser…
Short-Term Forecasting of Electricity Supply and Demand by Using the Wavelet-PSO-NNs-SO Technique for Searching in Big Data of Iran’s Electricity Market Open
The databases of Iran’s electricity market have been storing large sizes of data. Retail buyers and retailers will operate in Iran’s electricity market in the foreseeable future when smart grids are implemented thoroughly across Iran. As a…
Customer Segmentation of Bank Based on Discovering of Their Transactional Relation by Using Data Mining Algorithms Open
In this research, based on financial transactions between bank customers which extracted from bank’s databases we have developed the relational transaction graph and customer’s transactional communication network has been created. Furtherm…