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Articles 1 - 22 of 22
Full-Text Articles in Operations Research, Systems Engineering and Industrial Engineering
Smes And Virtual R&D Teams: A Motive Channel For Relationship Between Smes, Nader Ale Ebrahim, Shamsuddin Ahmed, Zahari Taha
Smes And Virtual R&D Teams: A Motive Channel For Relationship Between Smes, Nader Ale Ebrahim, Shamsuddin Ahmed, Zahari Taha
Nader Ale Ebrahim
This paper explores potential advantages and barriers of virtual teams toward making an interrelation between small and medium-sized firms (SMEs) with a comprehensive review on different aspects of virtual teams in SMEs based on authentic and reputed publications. The purpose of the state-of-the-art literature review is to provide an overview of what is known about the structure and dynamics of virtual collaboration in SMEs which they are the back bone of the world business. This study seeks to address some of the advantages of virtual R&D team in the existing extensive literature on the increase SMEs interrelations. Besides of identify …
Determinants Of Foreign Direct Investment In Iran: An Empirical Study Using Structural Equation Modeling, Ahmad Jafarnejad, Arash Golnam, Nader Ale Ebrahim
Determinants Of Foreign Direct Investment In Iran: An Empirical Study Using Structural Equation Modeling, Ahmad Jafarnejad, Arash Golnam, Nader Ale Ebrahim
Nader Ale Ebrahim
This paper examines the determinants of foreign direct investment (FDI) in Iran by applying the structural equation modelling (SEM). Using the annual time series data for the 1991-2006 period, two models were developed. In the first model the correlation between 12 determining factors and FDI in Iran were analyzed and in the second model the 12 factors were fit into five categories of determinants namely: Business, Economic, Infrastructural, Oil and Science and Technology and the impact of each of the mentioned groups of factors was investigated. The results derived through the first model indicated that openness of trade and Gross …
Applying Dynamic Programming For Cargo Loading Problem, Hannaneh Rashidi-Bajgan
Applying Dynamic Programming For Cargo Loading Problem, Hannaneh Rashidi-Bajgan
Hannaneh Rashidi-Bajgan
No abstract provided.
Introduction To Maxmin Layout Problem, Hannaneh Rashidi-Bajgan
Introduction To Maxmin Layout Problem, Hannaneh Rashidi-Bajgan
Hannaneh Rashidi-Bajgan
No abstract provided.
Improving Shared Understanding In Multilevel Planning, Michael C. Dorneich, David Mott, Ali Bahrami, Jitu Patel
Improving Shared Understanding In Multilevel Planning, Michael C. Dorneich, David Mott, Ali Bahrami, Jitu Patel
Michael C. Dorneich
Planning is a specific example of a problem solving activity that is undertaken across multiple (human) collaborative agents. In order to collaborate, these humans need to form a shared understanding of various aspects of the plan, mutual goals, the contexts of the other agents, and the rationale for others decisions and assumptions. Failure to reach this shared understanding can have serious implications to the success of the resulting plan. Currently plans are developed and shared with peer and subordinate units in a static format such as text, diagrams and spreadsheets which do not normally contain any of the reasoning, logic …
Introduction Of Applying Group Theory, Hannaneh Rashidi-Bajgan
Introduction Of Applying Group Theory, Hannaneh Rashidi-Bajgan
Hannaneh Rashidi-Bajgan
No abstract provided.
A Conceptual Model Of Virtual Product Development Process, Nader Ale Ebrahim, Shamsuddin Ahmed, Zahari Taha
A Conceptual Model Of Virtual Product Development Process, Nader Ale Ebrahim, Shamsuddin Ahmed, Zahari Taha
Nader Ale Ebrahim
In today’s dynamic marketplace, companies are under strong pressure to introduce new products for long-term survival with their competitors. Besides, every company cannot cope up progressively or immediately with the market requirements due to knowledge dynamics being experienced in competitive milieu. Increased competition and reduced product life cycles put force upon companies to develop new products faster. In response to this pressing need there should be some new approach compatible in flexible circumstances. This paper presents a solution based on the Stage-Gate system, which is closely linked with virtual team approach. Virtual teams can provide a platform to advance the …
Innovation Process Is Facilitated In Virtual Environment Of R&D Teams, Mohammad Ali Shafia, Nader Ale Ebrahim, Shamsuddin Ahmed, Zahari Taha
Innovation Process Is Facilitated In Virtual Environment Of R&D Teams, Mohammad Ali Shafia, Nader Ale Ebrahim, Shamsuddin Ahmed, Zahari Taha
Nader Ale Ebrahim
Innovation is becoming the most important key issue for company's success in the 21st century. In the competitive environment it is necessary for the enterprises to put together different capabilities and services with the goal. It is widely accepted that innovation can be better achieved by working in team particularly in the virtual environments. The employed web services technology, although very popular nowadays but it is still not mature enough, so dealing with it can bring new findings. Virtual teams base on information technology are formed to facilitate transnational innovation processes and it should be noted that innovation has a …
Virtual Teams For Npd – An Innovative Experience For R&D Engineers, Nader Ale Ebrahim, Shamsuddin Ahmed, Zahari Taha
Virtual Teams For Npd – An Innovative Experience For R&D Engineers, Nader Ale Ebrahim, Shamsuddin Ahmed, Zahari Taha
Nader Ale Ebrahim
New interaction tools such as internet allows companies to gain valuable input from research and development (R&D) engineers via virtual teams. Consequently engineers also get more expertise in diminutive timeframes. Virtual R&D teams present the key impetus to the technology acquisition process. The present knowledge-economy era is characterized by short product life-cycles. Virtual R&D teams may reduce time-to-market, make available a large pool of new product know-how and provide greater flexibilities which are the key success factors in a competitive market. This comprehensive review contains almost 100 references and covers the recent literature with emphasis on topic. The review has …
Virtuality, Innovation And R&D Activities, Nader Ale Ebrahim, Shamsuddin Ahmed, Zahari Taha
Virtuality, Innovation And R&D Activities, Nader Ale Ebrahim, Shamsuddin Ahmed, Zahari Taha
Nader Ale Ebrahim
Innovation plays a central role in economic development, at regional and national level. In the competitive environment companies are obliged to produce more rapidly, more effectively and more efficiently in new product development which is a result of research and development (R&D) activities. It is necessary for them to put together different capabilities and services with the goal, through cooperation between suppliers and customers, service providers and scientific institutions to achieve innovations of high quality. Depending on the type of industry, the type of business, the type of innovation and the strategic objectives that have been set, firms will regularly …
Consideration Of The Virtual Team Work And Disabled Citizens, As Promising Opportunity Providers For The E-Government Infrastructure's Formation, Mohammad Ali Shafia, Nader Ale Ebrahim, Sumsuddin Ahmed, Zahari Taha
Consideration Of The Virtual Team Work And Disabled Citizens, As Promising Opportunity Providers For The E-Government Infrastructure's Formation, Mohammad Ali Shafia, Nader Ale Ebrahim, Sumsuddin Ahmed, Zahari Taha
Nader Ale Ebrahim
The Information area has revolutionized the workplace. Douglas Kruse, a professor of human resources and the director of the program for disability research at Rutgers University, states that 7% of employed persons with disabilities work 20 hours or more a week from home. While some modern countries have established “virtual teams”, which are said to be comprised of people who are geographically scattered and who work across boundaries of space and time using computer driven communication technologies, it is also true that many developing countries remain structured around conventional face-to-face teams. A motive toward virtual team working may be cost …
Virtual Teams And Management Challenges, Nader Ale Ebrahim, Shamsuddin Ahmed, Zahari Taha
Virtual Teams And Management Challenges, Nader Ale Ebrahim, Shamsuddin Ahmed, Zahari Taha
Nader Ale Ebrahim
As a result of globalization and advances in information and communication technologies, the increased use of virtual teams in business has become prominent. In the competitive environment companies are obliged to produce more rapidly, more effectively and more efficiently. It is necessary for them to put together different capabilities and services with the goal, through cooperation between suppliers and customers, service providers and scientific institutions to achieve firm’s objective with high quality. Nowadays shift from serial to simultaneous and parallel working in entity has become more commonplace. Literatures have shown that collaboration is as a meta-capability for companies. This article …
Virtual R&D Teams: Innovation And Technology Facilitator, Nader Ale Ebrahim, Shamsuddin Ahmed, Zahari Taha
Virtual R&D Teams: Innovation And Technology Facilitator, Nader Ale Ebrahim, Shamsuddin Ahmed, Zahari Taha
Nader Ale Ebrahim
Innovation is becoming the most important key issue for company’s success in the 21st century. In the competitive environment is necessary for the enterprises to put together different capabilities and services with the goal. It’s a widely accepted that innovation is better achieved by working in team. The employed web services technology, although very popular nowadays but it is still not mature enough, so dealing with it can bring new findings. Virtual teams base on information technology are formed to facilitate transnational innovation processes and it should be noted that innovation has a positive impact on corporate performance. Information and …
Virtual R&D Team: Technology Transfer Facilitator, Nader Ale Ebrahim, Mohammad Ali Shafia, Hamid Tahbaz Tavakoli
Virtual R&D Team: Technology Transfer Facilitator, Nader Ale Ebrahim, Mohammad Ali Shafia, Hamid Tahbaz Tavakoli
Nader Ale Ebrahim
A conceptual model is proposed which facilitate the process of technology transfer by applying a virtual R&D team. The underlying hypothesis is responded to competitive challenges, the complex customer requirements and the high instability on the market. The context of the knowledge-based economy introduces a major shift from serial to simultaneous R&D activities in the way technology transfer is conceived. The traditional model of R&D team work is relies on the visual and face-to-face teams. The complexities involved in organizing face-to-face interactions among team members from one side, and the rapid developments of electronic communication technologies from the other ,caused …
Survey The Bidirectional Agvs Routing On Distributive Production Area, Hannaneh Rashidi-Bajgan, Samane Rashidi-Bajgan
Survey The Bidirectional Agvs Routing On Distributive Production Area, Hannaneh Rashidi-Bajgan, Samane Rashidi-Bajgan
Hannaneh Rashidi-Bajgan
مسیردهی دو سویه نوعی سیستم حمل و نقل وسایل نقلیه خودکار در مسیرهایی با امکان حرکت در دو جهت مخالف است . الگوریتم تعریف شده در این مقاله با اتکا به وجود چند خط جهت سهولت در تغییر مسیر حرکت AGV ها و کاهش ترافیک در هنگام تراکم عملیات بارگیری/ تخلیه ، طراحی شده است . این روش در دسته بندی سیستم های انتقال با مسیردهی مشخص قرار می گیرد و از این رو بروی چیدمان بخش مشخصی از واحد صنعتی که سطح توزیعی واحد تولید است مورد مطالعه قرار می گیرد . می توان این شیوه را با در …
Bi-Criteria Single Facility Location Problem With Limited Distances, Ali Shahabi, Amin Vafadar Nikjoo, Mohammad Reza Kazemi
Bi-Criteria Single Facility Location Problem With Limited Distances, Ali Shahabi, Amin Vafadar Nikjoo, Mohammad Reza Kazemi
Amin Vafadarnikjoo
This paper deals with a bi-criteria model for locating single new facility on the plane where the effective service distance becomes a constant when the actual distance attains or exceeds a certain value. The criteria that are used in this bi-criteria model are minisum, that minimizes the sum of all the transportation costs and minimax, that minimizes the maximum distances from the new facility to the demand points. By using a mixed integer programming formulation, the model is transformed to an easier form, and then the technique of fuzzy programming has been applied to solve it. A numerical example is …
Smes: Erp Or Virtual Collaboration Teams, Nader Ale Ebrahim, Shansuddin Ahmed, Zahari Taha
Smes: Erp Or Virtual Collaboration Teams, Nader Ale Ebrahim, Shansuddin Ahmed, Zahari Taha
Nader Ale Ebrahim
Small firms are indeed the engines of global economic growth. Small and Medium Enterprises (SMEs) play an important role to promote economic development. SMEs in the beginning of implementing new technologies always face capital shortage and need technological assistance. Available ERP systems do not fulfil the specific requirements of Small firms. SMEs has scarce resources and manpower therefore many SMEs don‟t have the possessions to buy and operate an ERP System. On the other hand competition and competitiveness of SMEs have to be strengthened. This paper briefly reviews the existing perspectives on virtual teams and their effect on SMEs management. …
A New Multiobjective Modeling In Distribution Center Location Problem, Mehdi Jafarian, Azizolah Jafari, Mehdi Sharif-Yazdi, Seyed Javad Hosseininejad
A New Multiobjective Modeling In Distribution Center Location Problem, Mehdi Jafarian, Azizolah Jafari, Mehdi Sharif-Yazdi, Seyed Javad Hosseininejad
Mehdi Jafarian
As has been mentioned in the literature, distribution centers location problem (DCLP) is a multiobjective problem. Cost (or distance) minimization is the primary objective in this area. While significance of each relation between a distribution center (DC) and a customer/retailer is different, it has not been considered seriously. By adapting available facility and new facility concepts of the multifacility location problem with costumer/retailer and a DC respectively, a utility function as the second objective based on the importance has been used. These importances are in decision maker (DM) s’ mind which should be quantified to be of use for modeling …
An Investigation Of The Residual Stress Characterization And Relaxation In Peened Friction Stir Welded Aluminum–Lithium Alloy Joints, Omar Hatamleh, Iris V. Rivero, Shayla E. Swain
An Investigation Of The Residual Stress Characterization And Relaxation In Peened Friction Stir Welded Aluminum–Lithium Alloy Joints, Omar Hatamleh, Iris V. Rivero, Shayla E. Swain
Iris V. Rivero
In this investigation the residual stresses generated from friction stir welded (FSW) 2195 aluminum–lithium alloy joints were characterized. The results derived from this research revealed significant levels of tensile residual stresses at the surface and throughout the thickness of the FSW samples. Furthermore, residual stress relaxation at the surface and throughout the thickness of the samples was assessed for laser peened friction stir welded aluminum–lithium joints. To do so the samples were cycled several times at a constant amplitude load. The results indicated that most of the relaxation for the surface residual stresses took place during the first cycle of …
Component Obsolescence Risk Assessment, Craig Josais, Janis P. Terpenny, Kenneth J. Mclean
Component Obsolescence Risk Assessment, Craig Josais, Janis P. Terpenny, Kenneth J. Mclean
Janis P. Terpenny
Custom low volume products and systems, such as those utilized by military and avionics applications; often make use of commercial high-tech components. In the past decade, technology has advanced very rapidly causing such components to have a shortened life span. Newer and better technologies are being introduced frequently, rendering components obsolete. Yet, custom low volume products and systems such as ships, submarines and aircraft can be in use for decades. Being proactive about obsolescence is critical to maintaining fully capable products and systems and satisfied customers. This paper presents an obsolescence risk measurement tool that is being developed to better …
Automated Fixture Design For A Rapid Machining Process, Wutthigrai Boonsuk, Matthew C. Frank
Automated Fixture Design For A Rapid Machining Process, Wutthigrai Boonsuk, Matthew C. Frank
Wutthigrai Boonsuk
Rapid prototyping techniques for CNC machining have been developed in an effort to produce functional prototypes in appropriate materials. One of the major challenges for rapid machining is to develop an automatic fixturing system for securing the part during the machining process. The method proposed in this paper is the use of sacrificial fixturing, similar to the support structures in existing rapid processes like Stereolithography. During the machining process, sacrificial supports emerge incrementally and, at the end of the process, are the only entities connecting the part to the stock material. This paper presents methodologies for the design of sacrificial …
Mac Pgp Encryption, Elizabeth Scheyder