Shahid Beheshti UniversityJournal of Industrial Management Perspective2251-98748320181122A Model for R&D Project Portfolio Selection and Development in LCSI EnterprisesA Model for R&D Project Portfolio Selection and Development in LCSI Enterprises93687164FAReza Nooraei BaydokhtPh.D, University of Tehran.Mohsen HamediProfessor, University of Tehran.Ezzatollah AsgharizadehProfessor, University of Tehran.0000-0001-7048-9065Journal Article20190918All Organization face with important issues like objectives, constraints, priorities, policies, opportunities and threats that should be considered in all the key decisions. One of the most important and difficult decisions in organizations, is the project portfolio selection. In today's changing world, survival and continued growth of successful companies depends on developing and manufacturing new products and services; as a result, Project Portfolio Selection(specially R&D Projects) is critical and necessary for the survival of its business of enterprises. The main problems in the R&D Portfolio selection process can be found in the large number of qualitative and quantitative goals that are often incompatible, the inconsistency in the amount of resources available and in use, experience of managers and decision makers to balance the risk and the timing of projects and the delivery time, etc. In this article a Mathematical model with the disctinction of taking the integration of knowledge and intellectual capital into account is presented and Solved With NSLS, For verifying the proposed model a case study is performed to select the best R&D Project Portfolio for an International LCSI in Iran. The results of the case study that satisfactorily validates the outcome of the model is presented.All Organization face with important issues like objectives, constraints, priorities, policies, opportunities and threats that should be considered in all the key decisions. One of the most important and difficult decisions in organizations, is the project portfolio selection. In today's changing world, survival and continued growth of successful companies depends on developing and manufacturing new products and services; as a result, Project Portfolio Selection(specially R&D Projects) is critical and necessary for the survival of its business of enterprises. The main problems in the R&D Portfolio selection process can be found in the large number of qualitative and quantitative goals that are often incompatible, the inconsistency in the amount of resources available and in use, experience of managers and decision makers to balance the risk and the timing of projects and the delivery time, etc. In this article a Mathematical model with the disctinction of taking the integration of knowledge and intellectual capital into account is presented and Solved With NSLS, For verifying the proposed model a case study is performed to select the best R&D Project Portfolio for an International LCSI in Iran. The results of the case study that satisfactorily validates the outcome of the model is presented.Shahid Beheshti UniversityJournal of Industrial Management Perspective2251-98748320181122Designing and Implementation of Suppliers Evaluation Process in the Supplier Relationship Management System (SRM)
(Case Study: Mobarakeh Steel Company)Designing and Implementation of Suppliers Evaluation Process in the Supplier Relationship Management System (SRM)
(Case Study: Mobarakeh Steel Company)376187165FAMajid EsmaelianAssociate Professor, University of Isfahan.Hossien HematgirM.A., Najafabad Islamic Azad University, Isfahan.Rasol GhaenianB.A., Najafabad Islamic Azad University, Isfahan.Journal Article20190918The purpose of this study is to provide a framework for the initial qualification and performance evaluation of suppliers and contractors and implement it as part of the supply chain management system in ERP system of the Mobarakeh Steel Company. In this research, the current process of Mobarakeh Steel Company has been investigated. Subsequently, using the review of the literature and the views of experts in the process of assessing the initial competence of suppliers, the design has been redesigned, and implemented in the supply chain management software system. After collecting the appropriate criteria and methods for evaluation in this field, the most appropriate criteria for assessing suppliers are determined using the Delphi method. In the design process, the initial qualification of suppliers will be determined after selecting the necessary and functional criteria. In the second stage, suppliersperformance is assessed in two parts of the inquiry and order.Transparency at stages of the process help the company to select the appropriate suppliers.Transparency in this process make the applicants to collaborate with the company to have a good view of choosing or not choosing at the beginning of the process and evaluating their performance over the course of partnership.The purpose of this study is to provide a framework for the initial qualification and performance evaluation of suppliers and contractors and implement it as part of the supply chain management system in ERP system of the Mobarakeh Steel Company. In this research, the current process of Mobarakeh Steel Company has been investigated. Subsequently, using the review of the literature and the views of experts in the process of assessing the initial competence of suppliers, the design has been redesigned, and implemented in the supply chain management software system. After collecting the appropriate criteria and methods for evaluation in this field, the most appropriate criteria for assessing suppliers are determined using the Delphi method. In the design process, the initial qualification of suppliers will be determined after selecting the necessary and functional criteria. In the second stage, suppliersperformance is assessed in two parts of the inquiry and order.Transparency at stages of the process help the company to select the appropriate suppliers.Transparency in this process make the applicants to collaborate with the company to have a good view of choosing or not choosing at the beginning of the process and evaluating their performance over the course of partnership.Shahid Beheshti UniversityJournal of Industrial Management Perspective2251-98748320181122A Dynamic Game Theory Model for Analyzing Competition in the Oligopoly MarketsA Dynamic Game Theory Model for Analyzing Competition in the Oligopoly Markets639487166FAMarjan RaoufiniaPh.D Student, Islamic Azad University, Tehran North Branch.Vahid BaradaranAssistatnt Professor, Islamic Azad University, Tehran North BranchReza ShahrjerdiAssistatnt Professor, Buein Zahra Technical University.Journal Article20190918Privatization has led to the formation dynamic competition in markets, such as airline service providers with a limited number of suppliers and a large number of customers (oligopoly markets). Suppliers of goods and services in these markets are considering the behavior of competitors to determine the amount of products and advertisements in order to maximize their benefits. This paper investigates a differential oligopoly game model under open loop and close loop structures. By applying mathematical validation of the optimal levels of production (supply) and advertising cost, the proposed model used to analyze the market for airline services, and it is shown that parameters such as sticky price, substitutability among goods and advertising promotional efficiency on supply and advertising are effective in achieving sustainable equilibrium in such markets. Sensitivity analysis of the parameters in the proposed model shows that in open loop strategy when companies in an oligopoly market do not agree any agreement in all stages of competition, they will suffer a lot of financial burden.Privatization has led to the formation dynamic competition in markets, such as airline service providers with a limited number of suppliers and a large number of customers (oligopoly markets). Suppliers of goods and services in these markets are considering the behavior of competitors to determine the amount of products and advertisements in order to maximize their benefits. This paper investigates a differential oligopoly game model under open loop and close loop structures. By applying mathematical validation of the optimal levels of production (supply) and advertising cost, the proposed model used to analyze the market for airline services, and it is shown that parameters such as sticky price, substitutability among goods and advertising promotional efficiency on supply and advertising are effective in achieving sustainable equilibrium in such markets. Sensitivity analysis of the parameters in the proposed model shows that in open loop strategy when companies in an oligopoly market do not agree any agreement in all stages of competition, they will suffer a lot of financial burden.Shahid Beheshti UniversityJournal of Industrial Management Perspective2251-98748320181122Assessing the Readiness of the University to Establish the Lean Higher Education
(Case Study: University of Tehran)Assessing the Readiness of the University to Establish the Lean Higher Education
(Case Study: University of Tehran)9511487167FAKhodayar AbiliProfessor, University of Tehran.Fatemeh Narenji ThaniAssistant Professor, University of Tehran.Zeynabalsadat MostafaviPh.D Student, University of Tehran.Journal Article20190919The purpose of this study is to assess the readiness for the establishment the lean higher education of University of Tehran. This research is applied and also from a data collection perspective, it is descriptive survey. The study population is consisted of all experts' technical and social-behavioral sciences campus at University of Tehran and also a researcher-made questionnaire was used to collect data. Validity and reliability of the questionnaires were assessed by using content and structure validity and Cronbach's alpha coefficient. The data were analyzed using Kolmogorov-Smirnov Test dependent and independent T-test, Friedman and confirmatory factor analysis in Lisrel software and SPSS software. The findings of the study showed that the total score of Tehran University's readiness for the establishment of lean higher education and its components was lower than theoretical average. In addition, according to the university experts, the most important component of lean higher education are leadership and management commitment, Focusing and paying attention to students, Choosing the right people, The strategy and vision of the university.The purpose of this study is to assess the readiness for the establishment the lean higher education of University of Tehran. This research is applied and also from a data collection perspective, it is descriptive survey. The study population is consisted of all experts' technical and social-behavioral sciences campus at University of Tehran and also a researcher-made questionnaire was used to collect data. Validity and reliability of the questionnaires were assessed by using content and structure validity and Cronbach's alpha coefficient. The data were analyzed using Kolmogorov-Smirnov Test dependent and independent T-test, Friedman and confirmatory factor analysis in Lisrel software and SPSS software. The findings of the study showed that the total score of Tehran University's readiness for the establishment of lean higher education and its components was lower than theoretical average. In addition, according to the university experts, the most important component of lean higher education are leadership and management commitment, Focusing and paying attention to students, Choosing the right people, The strategy and vision of the university.Shahid Beheshti UniversityJournal of Industrial Management Perspective2251-98748320181122Multimodal Transportation Network Design Model under Uncertainty Conditions
(Case Study: Cement Transportation in Iran)Multimodal Transportation Network Design Model under Uncertainty Conditions
(Case Study: Cement Transportation in Iran)11513987168FAMinoo FarazmandM.Sc. Student, Iran University of Science & Technology.Mir Saman PishvaeeAssociate Professor, Iran University of Science & Technology.Journal Article20190919Today, with supply chain globalization, the use of efficient transportation systems to distribute goods have a significant impact on reducing logistics costs and increasing customer satisfaction. In this regard, logistics centers in addition to providing the necessary infrastructure for the flow of freight from the road to the rail network, play a significant role in Reduce total transportation costs and create surplus value for raw materials; Therefore, in this research, due to uncertainties in demand and transportation costs, a robust mathematical model is presented for designing a multimodal rail - road freight transportation network at the national level. In the scenario-based stochastic model, two objectives have been considered. The first objectives focuses on minimizing costs, and the second objective focuses on reducing risk-taking decisions to minimize the maximum relative regret of possible scenarios within the framework of robust mathematical programming. In order to demonstrate the validity of the model and its efficiency, the cement multimodal transportation in Iran has been investigated. Outputs show that the development of a number of railway stations and transfer of a significant amount of Cement shipped by road to the rail network will reduce the price of this strategic product.Today, with supply chain globalization, the use of efficient transportation systems to distribute goods have a significant impact on reducing logistics costs and increasing customer satisfaction. In this regard, logistics centers in addition to providing the necessary infrastructure for the flow of freight from the road to the rail network, play a significant role in Reduce total transportation costs and create surplus value for raw materials; Therefore, in this research, due to uncertainties in demand and transportation costs, a robust mathematical model is presented for designing a multimodal rail - road freight transportation network at the national level. In the scenario-based stochastic model, two objectives have been considered. The first objectives focuses on minimizing costs, and the second objective focuses on reducing risk-taking decisions to minimize the maximum relative regret of possible scenarios within the framework of robust mathematical programming. In order to demonstrate the validity of the model and its efficiency, the cement multimodal transportation in Iran has been investigated. Outputs show that the development of a number of railway stations and transfer of a significant amount of Cement shipped by road to the rail network will reduce the price of this strategic product.Shahid Beheshti UniversityJournal of Industrial Management Perspective2251-98748320181122A Multi Period Lot-Sizing Model in Three-Echelon Supply Chain by Considering Payment Methods and Joint Replenishment of Inventory ItemsA Multi Period Lot-Sizing Model in Three-Echelon Supply Chain by Considering Payment Methods and Joint Replenishment of Inventory Items14116587169FAPegah HasaniM.Sc., Islamic Azad University, Bandar Abbas Branch.Davood MohammaditabarAssistant Professor, Islamic Azad University, South Tehran Branch.Journal Article20190919Different payment methods and time value of money have a significant impact on the profitability of the supply chain. In many applications, coordinated ordering of items creates savings in the total ordering cost. In this paper, a model is developed that integrates the joint replenishment of inventory items (JRP) and the selection of payment methods into supplier-selection order-allocation problem. Retailer can pay purchasing costs to suppliers and receive the selling price from customers in different payment methods. Three payment methods of cash-in-advance, cash and credit are assumed. In the developed multi-item multi-period model, the negative cash flows are borrowed and positive cash flows are invested. The objective function is maximizing the net future value of retailer’s cash flows. Through a numerical example, it is shown that major ordering is related with the number of selected suppliers but it does not affect the payment methods. In addition, minimum attractive rate of return of the supply chain members affects the selection of payment method and loans.Different payment methods and time value of money have a significant impact on the profitability of the supply chain. In many applications, coordinated ordering of items creates savings in the total ordering cost. In this paper, a model is developed that integrates the joint replenishment of inventory items (JRP) and the selection of payment methods into supplier-selection order-allocation problem. Retailer can pay purchasing costs to suppliers and receive the selling price from customers in different payment methods. Three payment methods of cash-in-advance, cash and credit are assumed. In the developed multi-item multi-period model, the negative cash flows are borrowed and positive cash flows are invested. The objective function is maximizing the net future value of retailer’s cash flows. Through a numerical example, it is shown that major ordering is related with the number of selected suppliers but it does not affect the payment methods. In addition, minimum attractive rate of return of the supply chain members affects the selection of payment method and loans.Shahid Beheshti UniversityJournal of Industrial Management Perspective2251-98748320181122in Different Levels and Solving by ε-Constraint Approachin Different Levels and Solving by ε-Constraint Approach16719487170FAFatemeh FazeliMsc. Student, Islamic Azad University, Branch of Khalij Fars, Khoramshahr.Masoud SeidiAssistant Professor, Ilam University.Journal Article20190919Nowadays, due to the huge effects of designing the supply network on the economic interests of organizations, the quality of providing appropriate services and customer satisfaction, the problem of network design is one of the most interesting and attractive issues of research in operations and management science. In this paper, a real-world manufacturing network is designed. The structure of this supply chain is such that the product is stored in the production facilities after production in the manufacturing plants and then transported to the retailers. Ultimately, customers will be able to address their needs by visiting retailers. In order to be real, fuzzy uncertainty is considered in the model parameters, and disruptions such as fire or power failure, etc. in factories and warehouses are considered simultaneously. Also, the problem has a multi-period time horizon and two goals are to minimize cost and maximize the coverage level of customers. To solve it, using CPLEX (GAMS) by ε-Constraint approach.Nowadays, due to the huge effects of designing the supply network on the economic interests of organizations, the quality of providing appropriate services and customer satisfaction, the problem of network design is one of the most interesting and attractive issues of research in operations and management science. In this paper, a real-world manufacturing network is designed. The structure of this supply chain is such that the product is stored in the production facilities after production in the manufacturing plants and then transported to the retailers. Ultimately, customers will be able to address their needs by visiting retailers. In order to be real, fuzzy uncertainty is considered in the model parameters, and disruptions such as fire or power failure, etc. in factories and warehouses are considered simultaneously. Also, the problem has a multi-period time horizon and two goals are to minimize cost and maximize the coverage level of customers. To solve it, using CPLEX (GAMS) by ε-Constraint approach.