Alireza Pooya

• Professor
• Research Director at Ferdowsi University of Mashhad

Proper preventive maintenance (PM) not only reduces equipment failure costs but also effectively minimizes direct operational expenses. The optimal planning of PM operations plays a crucial role in reducing equipment damage and enhancing organizational efficiency. Human error is a decisive factor in maintenance operations but is often overlooked in...

Human error is often implicated in industrial accidents and is frequently found to be a symptom of broader issues within the sociotechnical system. Therefore, research exploring human error during maintenance activities is important. This article aims to assess the probability of human error in maintenance tasks at a cement factory using the Cognit...

Considering the environmental changes and their effects, using up-to-date technologies such as Chat Generative Pre-trained Transformer (ChatGPT) seems necessary to control environmental problems. The study aims to predict the behavior of the adoption rate of ChatGPT in a sustainable supply chain over time, focusing on Iran's pharmaceutical supply c...

Human error constitutes a significant cause of accidents across diverse industries, leading to adverse consequences and heightened disruptions in maintenance operations. Organizations can enhance their decision‐making process by quantifying human errors and identifying the underlying influencing factors, thereby mitigating their repercussions. Cons...

This scientific attempt is dedicated to model and solve the production inventory system (PIS) in supply chain (SC). The original problem is modelled by an Optimal Control Problem (OCP) with disturbance term and stochastic deterioration in two levels SC that it is possible to return the goods. As we know, this research is the first attempt for model...

Recent extreme economic, social, and environmental changes have made the design of gasoline supply chain (GSC) networks a major challenge, while sustainability and resilience are emerging as the concerns of communities. This paper presents a novel two-stage scenario-based mixed stochastic-possibilistic programming model for designing a three-echelo...

The efficient design of public transportation networks is critical in establishing optimal schedules and curtailing transport costs for both passengers and transportation organizations. This study focuses on advancing existing models for selecting timetables and optimal schedules within public transportation networks. Addressing these concerns as a...

This study examines reliability of equipment (RoE) through three approaches: equipment design reliability, human reliability (HR), and maintenance‐based reliability. HR plays a key role in minimizing human error (HE) and subsequently enhancing RoE. Given that equipment reliability is influenced by numerous factors, these technologies come with vari...

Performance evaluation is an essential part of the management process. Performance appraisal provides the information needed for decision making as well as a competitive advantage for successive operations. Therefore, firms’ managers should look at the organization systematically to improve their performance. Data envelopment analysis is one of the...

Production technology known as additive manufacturing completely deviates from the conventional subtractive method. Due to its unique nature, its application could result in significant Supply Chain (SC) changes and impact the interactions between supply chain participants. This study shows the additive manufacturing applicable in an SC, considers...

Integrated production and maintenance planning optimizes efficiency and productivity by coordinating schedules. Investigating this planning can improve operational efficiency, reduce costs, and enhance productivity. It reduces equipment breakdowns, minimizes downtime and delays, and facilitates better resource allocation, thereby lowering costs and...

Numerous variables are involved in determining the market capitalization and price of cryptocurrencies. So, It is impossible to ignore the feedback of each variable on the other ones. Also, Bitcoin management is challenging due to inter-dependencies and feedback between economic and social drivers. To better understand the dynamics that different v...

Supply chain optimization, bolstered by additive manufacturing (AM) capabilities, holds the key to a streamlined and effective manufacturing process. By seamlessly integrating AM into supply chains, enterprises can expedite lead times, drive down expenses, and enhance operational flexibility. In this context, this paper introduces a pioneering bi-o...

The problem of scheduling final exams is a type of educational planning in which the goal is to find a suitable schedule for the exams of an educational institution in a way that makes optimal use of available resources. The purpose of this study is to find and solve a suitable mathematical model for the problem of scheduling final exams. The model...

In Iran, several measures have been taken to increase collaboration between universities and society, particularly industry. However, the lack of a systemic view and existing dynamics have resulted in a lack of proper investigation of the university-society relationship, and many aspects have been overlooked. This study aims to provide a dynamic mo...

In today’s era, the importance and implementation of blockchain networks have become feasible as it improves the resilience of the supply chain network at all levels by clarifying information and creating security in the network, improving the speed of response, and gaining the trust of customers. This paper aims to investigate the behavior of the...

Purpose One of the most important ways to pay attention to sustainable economic development is to invest in green technology and alter the energy consumption structure (ECS) in countries. Changing the ECS can be important in two ways: first, it increases the diversity of energy consumption and reduces energy dependence on other countries. Second, t...

Purpose The purpose of this study is to examine oil price shocks on US shale oil supply and energy security during the period 2000q1–2020q4. Design/methodology/approach In this study, the Shannon–Wiener index was used to calculate energy security, and then a structural vector autoregression (VAR) was applied to measure the effect of oil price shoc...

The purpose-The USA is one of the largest oil producers in the world. For this purpose, the authors model and predict the US conventional and unconventional oil production during the period 2000-2030. Design/methodology/approach In this research, the system dynamics (SD) model has been used. In this model, economic, technical, geopolitical, learni...

A significant challenge in the university meal booking is the high No-Show rate that leads to considerable food waste in consequence of facing low price of nutrition system and government subsidizing. This study aims to prevent food waste in university dining halls via predicting actual demand. To model and solve the problem, an Artificial Neural N...

Inventory managers in the blood supply chain always seek timely and proper response to their customers, which is essential because of the perishability and uncertainty of blood demand and the direct relationship of its presence or non-presence with human life. On the other hand, timely and regular delivery of blood to consumers is vital, as the wea...

Background and purpose: Operational alignment, the alignment between business processes (BPs) and information systems (ISs), is a well-acknowledged requirement for improving business efficiency. However, a lack of sound foundation for the practical implementation of operational alignment remains in the existing literature. This is, in part, because...

The present study aimed to assess the effect of implementing Rapid Prototyping (RP) in the product development phase on the sustainability of a conventional supply chain. The sustainability indicators of RP utilization were identified through a critical literature review and consulting two experienced RP practitioners to determine the key variables...

Factors affecting the alignment of information systems (ISs) and organizational strategies (i.e., strategic alignment) vary depending on the organizational contexts, comprising both the structural and environmental contexts. Previous studies of strategic alignment were largely focused on organizations with flatter organizational structures and low...

The study of production systems taxonomy not only provides a good description of organization dominant groups but also provides the ground for more specialized studies such as a study of performance, the proper form of production decisions in each group, and the theorizing in it. In some taxonomic studies, due to high speed and ease of implementati...

In this article a mathematical model with twin objectives is presented. The objectives are considered as: Minimization of the maximum tardiness of tasks completion time and the total early tasks penalties. Since tasks timing is a tardy and indefinite factor in cloud computing; therefore problem solving model is used as the combined Meta-heuristic i...

The present paper is devoted to modeling and solving the inventory and production planning in a four-echelon supply chain (SC) with reverse logistics, from supplier to after-sales service center and repair center. To the best of our knowledge, this is the first scientific attempt for modeling and resolving the inventory and production planning in a...

Purpose Workforce planning must answer how many workforces, in which positions, and talents, and when each organization is needed. To find the requirements workforce, organizations need to know the organizational position and talents pools. Clarifying the number of workforces required in each pool requires attention to workforce flows, including hi...

Food waste planning at universities is often a complex matter due to the large volume of food and variety of services. A major portion of university food waste arises from dining systems including meal booking and distribution. Although dining systems have a significant role in generating food wastes, few studies have designed prediction models tha...

The topic of collecting public donations has always attracted the attention of charity Non-Governmental Organizations as their basic policy; nevertheless, despite its importance, not much scientific research has been conducted on the issue. The optimal location of electronic charity boxes is effective in optimizing the obtained benefits. In this pa...

Environmental concerns relating to production affairs have made various organizations use green practices in different processes of supply chain, because the green supply chain management (GSCM) is considered as an important organizational philosophy to decrease environmental risks and as a preventive approach in order to increase environmental per...

Many scholars mentioned various dimensions and complex relations for manufacturing flexibility that implementing all of them is not possible for a manufacturing firm. On the other hand, today’s dynamic environment convinces flexible organizations to create capabilities in order to take over competitors. Hence, the aim of this study is to determine...

The aim of this paper is to face the manpower planning problem from a continuous time optimal control perspective. A new continuous-time manpower planning model is proposed in which the promotions occur inside the system. The proposed model contains four main sections: applicants, newcomers, experienced employees and supervisors (or managers). Each...

In this chapter, the location problem of bioethanol distribution centers is investigated based on two objectives. While the first objective is to maximize the overall utility of the selected places, the second objective is to minimize the cost allocated to establishing the distribution centers. To solve the problem, a hybrid methodology consisting...

Purpose: The purpose of this study is to develop a model for selecting a business partner in agency systems based on the method of the adaptive neural-fuzzy system. Methodology: The present research is applied in terms of purpose and descriptive in terms of the research method. The statistical population of the study, based on the subject of the re...

This study provides a stochastic dynamic programming model with a Markov chain that explicitly focuses on the customer as well as a new model for valuing the customers in the banking industry. The proposed framework calcu-lates individual customer’s lifetime value dynamically. The study follows a stochastic dynamic programming model that is based o...

The aim of this study is to provide a systematic approach to reduce the total cost and nervousness in material requirement planning (MRP) system based on appropriate lot-sizing policies under different scenarios of safety stock for demand and lead time. In this study, the system dynamics (SD) approach was utilized. The MRP system has been modelled...

1 ‫غریبی‬ ‫جلیل‬ ، 2 ‫زاده‬ ‫حسین‬ ‫علی‬ ، 3 ‫پویا‬ ‫علیرضا‬ ، 4 1 ، ‫مدیریت‬ ‫دانشكدة‬ ‫بازرگانی،‬ ‫مدیریت‬ ‫دکتري‬ ‫دانشجوي‬ ‫حیدریه،‬ ‫تربت‬ ‫واحد‬ ‫دانشگاه‬ ‫اسالمی‬ ‫آزاد‬ ، ‫حیدریه‬ ‫تربت‬ ‫ایران‬ ،. 2 ‫مدعو‬ ‫استاد‬ ‫گرو‬ ، ‫مدیریت‬ ‫دانشكدة‬ ‫بازرگانی،‬ ‫مدیریت‬ ‫ه‬ ‫حیدریه،‬ ‫تربت‬ ‫واحد‬ ‫دانشگاه‬ ‫اسالمی‬ ‫آزاد‬ ، ‫حیدریه‬ ‫تربت‬ ‫ایران‬...

Purpose This paper aims to present a continuous-time workforce planning model in which workforce flow occurs in terms of internal and external recruitment considering human resource strategies (HRS). The proposed model is a linear optimal control model in which promotions occur by inside appointment and outside employment of the system considering...

Blood supply managers in the blood supply chain have always sought to create enough reserves to increase access to different blood products and reduce the mortality rate resulting from expired blood. Managers' adequate and timely response to their customers is considered vital due to blood perishability, uncertainty of blood demand, and the direct...

While this study identifies the most important key indicators that influence the banking industry, it also attempts to provide a forecast for the Iranian banking industry in the future. Scenario planning and cross-impact matrix are used in this study. Among all the identified factors, 29 key factors influencing the future of the industry were selec...

In recent years, the importance of supply chains has been stressed, because only the concentration of the economic performance for optimizing the costs or capital return cannot ensure the development and sustainability of businesses. The management of sustainable supply chain has been created to emphasize on the importance of social and environment...

Purpose This study aims to measure the effect of customers’ technology readiness and the quality of electronic services on customer satisfaction. Design/methodology/approach The statistical sample included 410 respondents from 24 branches of a private bank. The sampling method was questionnaire. Because of the structural and organizational similar...

We have developed a multi-objective multi-product inventory management model for perishable products, focusing on the inventory management of veterinary drugs. This model minimises holding, shortage, and expired costs and also demand forecast error simultaneously. The number of expired and shortage drugs can be calculated for each period using this...

We have developed a multi-objective multi-product inventory management model for perishable products, focusing on the inventory management of veterinary drugs. This model minimises holding, shortage, and expired costs and also demand forecast error simultaneously. The number of expired and shortage drugs can be calculated for each period using this...

Abstract Retaining the talented academicians is a troubling and worrying phenomenon in most developing countries, including Iran; hence, exploring the barriers to retention of the talented academicians of top Iranian universities can provide one of the infrastructures for improving their effective retention. Having taken the interdisciplinary and m...

Introduction Despite the relative advantage of producing some agricultural products, Iran is one of the largest importers of agricultural sector, so the total agricultural imports in 2016 were about 8.78 billion dollars. One of the most imported products is red meat and livestock inputs. Animal corn is the first imported product of Iran and is one...

Purpose The purpose of this paper is to explore the relationship between effective strategies to improve the quality and quality management of allocated resources for the successful implementation of the strategies. For this purpose, three quality management resources (human, organizational and technological) and eight different strategies related...

The scheduling of flexible job shop systems is one of the most important issues in the various fields of production and is currently being addressed by many researchers in the field of optimization issues. The present research includes flexible job shop scheduling problem (FJSSP) with multi-objective, minimizing maximum completion time (makespan),...

This paper presents a novel Approximate Dynamic Programming (ADP) approach to solve large-scale nonlinear constrained Equipment Replacement (ER) problems. Since ADP requires accurate estimations of states for future periods, a heuristic estimator based on data clustering was developed for the case study of this paper with small number of sampling p...

Background: In service organizations such as hospitals, human resources (HR) play a key role in the quality of service delivery. Lack of a systemic attitude in terms of system dynamics, HR planning have been somewhat distant from reality. In order to solve such a problem, this study aimed to modeling the dynamics of human resources capacity managem...

The aim of this paper is to describe a new optimal control model for optimal inventory control along with reworking items and forecasting the demand. The proposed model contains two stocks, one for serviceable products and one for returned products. The dynamic of the proposed system includes forecasting the demand and also the production planning....

A general model for continuous material requirements planning problem is proposed which contains of reworking of returned items along with deterioration of items. In the proposed model there are separated stocks for manufactured, returned and reworked items and also it is possible to consider returned items from both inventories of manufactured and...

Although the hospital managers always try to improve the quality of the medical services, sometimes their efforts might affect reversely and push the system in what is so commonly called as “the death spirals of quality.” The most important reason of falling into these spirals is the lack of a systemic thought that considers the feedback relationsh...

In recent years, the high cost of raising livestock and, consequently, the sharp increase in the price of red meat in Iran have reduced its demand, and people consume chicken meat as a substitute for it. This has reduced the production incentives and, with the bankruptcy of some beef cattle farms, the welfare of producers and consumers of this prod...

This paper provides an extended model base on the Quality Function Deployment (QFD) framework to develop a manufacturing strategy process through linking manufacturing competitive factors with organization performance. Performance factors will guarantee alignment between manufacturing strategy and organization strategy. Performance analysis using e...

Predicting the performance of the new product development and selecting the strategy in the case of new product development failure is an issue that has drawn the attention of the many managers. Therefore, the goal of this study is to design an integrated system of prediction of product development success and selection of a proper market-product s...

Assessing employee performance is one of the most important issue in healthcare management services. Because of their direct relationship with patients, nurses are also the most influential hospital staff who play a vital role in providing healthcare services. In this paper, a novel Data Envelopment Analysis Matrix (DEAM) approach is proposed for a...

Purpose The purpose of this paper is to apply fuzzy spectrum in order to collect the vague and imprecise data and to employ the fuzzy U control chart in variable sample size using fuzzy rules. This approach is improved and developed by providing some new rules. Design/methodology/approach The fuzzy operating characteristic (FOC) curve is applied...

Because of multiplicity of general administrative policies, it’s necessary to priority them to focus on the successful implementation of these policies and avoid confusion. In this article, the priorities were defined by new-applied-verified-method, and a model & software was proposed base of this method. In this way, the overall parameters of any...

In the defensive environment, making the right and precise decision is taken as one of the key issues that could change the situation for all groups who are in conflict with each other. Additionally, utilizing appropriate weapons for hitting the enemy’s targets is of crucial significance for operation commanders. This study was run in a bid to desi...

Researchers in the social sciences believe that theoretical knowledge–which is derived from traditional research –is not enough to meet the needs of their professional life. To solve this problem a strategy was applied in the researches entitled “action research”. Action research is the process of systematic thought, research and activity which peo...

This paper attempts to propose a new multi-stage production-inventory system with and without lead times via an optimal control model. The proposed optimal control model for lead times contains some delays in the state variables. The considered dynamical system is a multi-stage production-inventory one which obeys a linear quadratic optimal control...

امروزه وب سايت ها در حوزه اطلاع رساني و انجام بسياري از خدمات، اهميت فراواني پيدا كرده اند و در اين راستا، مطالعات وب سنجي از جنبه هاي مختلف مورد توجه بسياري از محقق ان بوده است. هدف مطالعه حاضر، ارزيابي و خوشه بندي بانك ها و مؤسسات مالي و اعتباري ايران بر اساس شاخ ص هاي ترافيكي وب سايت م يباشد. در فرايند اجرايي پژوهش، 31 بانك و مؤسسه مالي و اعتبار...

Market segmentation is one the most important issues in the analysis of customer features and the use of appropriate strategy for them. In this research, customer segmentation and taxonomy of digital cameras market in Iran were investigated. The case study is digital cameras market in Mashhad. By use of literature review, ten important variables fo...

Manufacturing flexibility is a multidimensional concept and manufacturing companies act differently in using these dimensions. The purpose of this study is to investigate taxonomy and identify dominant groups of manufacturing flexibility. Dimensions of manufacturing flexibility are extracted by content analysis of literature and expert judgements....

This research was conducted in order to solve the problem of selecting an operational strategy for projects in projectbased organizations by designing a fuzzy expert system. In the current research, we first determined the contributing parameters in operational strategy of project-based organizations based on existing research literature and expert...

The purpose of this study is to identify taxonomy of manufacturing strategies from manufacturing competitive priorities, and taxonomy of production processes from production decisions, and relation between them, using manufacturing companies in a developing country. To identify the common patterns self-organizing map was used. Relationship between...

Given that the new product failure in practice entails huge costs for organizations, the need for competitive planning has led organizations to apply appropriate approaches; one of these approaches is to predict new product success before market entry. Accordingly, this study predicts NPD success by comparing two techniques, the Multilayer Perceptr...

p>In this study, using operational research techniques, a model has been presented to assess battlefield threat, to prioritise aggressive targets, to evaluate the capability of own sites and the risks of the conflict with the targets, to define conflict scenarios and finally to select the best scenario using an assignment model. The above proceedin...

Introduction: Job satisfaction as one of the most important variables in organizational behavior is, an issue that is of particular interest to managers within organizations. This study aimed to determine the effect of organizational justice dimensions of on nurses' and health workers' job satisfaction. Methods: The present. The population of the s...

In this paper, a general production-inventory optimal control system is proposed which can be used in most cases that might arise in the theory of production-inventory control. The proposed general form is considered and approximately solved using neural networks. Since the obtained solutions are achieved based on neural networks, they have several...

An enterprise resource planning (ERP) system is an integrated business software system that enables a company to manage the efficient and effective use of resources (materials, human resources, finance, etc.) by providing total, integrated solution for the organization´s information-processing. Organizational citizenship behaviors (OCB), as one of...

In the growing competition environment of banking industry, achievement of organizational goals requires close attention to customers to attract their loyalty. Achieving this purpose is a function of different individual and competitive factors on the part of customers and banks. So, the purpose of this study is to introduce a model of customer loy...

Introduction: Considering the importance of understanding the relationship between job characteristics with decision-making style and personality, for human resource managements in defense industry, was studied at various levels managers in the case study. Method: Using three wayes multivariate analysis of variance (MANOVA) to examine the influence...

This paper presents a general review of intellectual capital literature, which includes definitions, components and indicators. We aim to gather a useful collection of indicators and definitions. After studying several related works from the literature, many definitions and indicators are identified and explain that choosing appropriate indicators...

This paper presents a general review of intellectual capital literature, which includes definitions, components and indicators. We aim to gather a useful collection of indicators and definitions. After studying several related works from the literature, many definitions and indicators are identified and explain that choosing appropriate indicators...