Sharif Digital Repository

E-Work is defined as collaborative, communication-enabled and computer-supported productive activities in distributed organizations consist of humans with robots and autonomous systems. From the levels of nano and micro systems and devices all the way to the level of global enterprise networks, productive work is reshaped by e-Work. The current literature emphasizes on the role of Knowledge management as an enabler of E-Working paradigm. The four main circles of knowledge in e-Work related are: ‘‘e-Work”, ‘‘Integration Coordination and Collaboration”, ‘‘Distributed Decision Support” and ‘‘Active Middleware”. It has been generally recognized that computer and communication science and... 

Software development project management has always faced a lot of challenges and the success rate in these type of projects has always been lower than other types of projects. Information systems development projects have lots of complexities and the project management process in these projects is so important and critical. In order to solve some challenges and problems of information systems project management, iterative and incremental methodologies are presented. Lots of researches are conducted about traditional methods of project management and but there are still a lot of unknowns about iterative approach and management using this approach especially in the context of planning and time... 

In today's turbulent environment, change is considered as requirements of any business and organizations need to change in order to remain competitive. Change management includes: control the processes of change within the organization and its compatibility with its processes in different organizational levels (group and individual). Lately organizations are realizing the power of social networks and their analytics to solve business challenges and produce innovation, and a growing trend of using social networks is seen. A social network is defined as a set of people, organizations or other social entities, connected by a set of socially meaningful relationships. According to this fact, the... 

Nowadays, the manufacturing environments have been faced with the globalization paradigm. This paradigm urges the new necessities for manufacturing environments like concentration on customer demands, focus on increase of quality and its continuous improving trend and shortening the products’ lifecycle. These necessities have been considered by many researchers and have led to different ideas in the field of effective and efficient product development and after sales services. Computer Integrated Manufacturing (CIM) is known as the major research field for study, development and proposal of effective IT solutions to fulfill the aforementioned necessities. This research filed has resulted to... 

Reconfigurable Manufacturing system (RMS) is used to surge the speed of production and its flexibility of it which is restricted to limited extent. Its flexibility confined to at most that is essential to fabricate the members of a part family. This thesis proposes a novel model for RMS, that, that is a manufacturing framework that is cost-effectively and at the minimum time responses to changesto changes and can fulfill thefulfill marketthe demandmarket demands rapidly. In many researches the minimization of timeof time and cost is the main factors that is making anmake impressionan onimpression projecton the performance of the performanceproject. In the frame offrame theof... 

The dynamic nature of today’s manufacturing industry, which is caused by the intense global competition and constant technological advancements, requires systems that are easily adaptable with new functions and technologies. In fact, a highly responsive manufacturing system is needed in which, introducing new products, adjusting system capacity with demand fluctuations and integrating new technologies with the existing ones are quickly possible. Reconfigurable Manufacturing systems (RMS) are a relatively new paradigm in industry that enable rapid adjustments of production capacity to changes in product mix and volume through their main characteristics including modularity, scalability and... 

Cloud Manufacturing is a new paradigm which under development and has been introduced as one of the promising models for providing ubiquitous, convenient, on-demand network access to a shared pool of configurable manufacturing resources (e.g, networks, servers, facilities, applications, robots, machines and services) that can be rapidly provisioned with minimal management effort and service provider’s interaction. Cloud Manufacturing is defined based on Cloud Computing. Like the Cloud Computing, Cloud Manufaturing offers a service-oriented architecture that is based on information technology (IT) in which each manufacturing resources is expressed as a service. For providing a... 

In recent years, economic globalization and resource globalization as two key factors have driven organizations to adjust their processes to survive in the competitive environments. Also, customers have been provided with high-quality products, lower cost, product customization and quick delivery. Moreover, globalization has let suppliers to geographically distribute across the globe, and for accomplishing the final product resources need to be gathered. Distributed infrastructure enables organizations to decrease delivery time and increase flexibility but leads to higher investment costs and lower efficiency of the system. For responding to existing issues Cloud manufacturing has been... 

With the advent of the globalization paradigm, the industrial interactions among manufacturing companies have become easier, and the possibility of sharing of the resources among them has been introduced. This issue, coupled with the increasing diversity of customer needs, has led to a change in business models of manufacturing industries and because of that, in the field of globalized manufacturing, a new paradigm called cloud manufacturing has been proposed in which service-orientation is one of the main features. Despite of the extensive studies on cloud manufacturing, the lack of a framework that, based on the service-orientation, determines the improving of manufacturing processes to... 

Nowadays, global competition has challenged old manufacturing concepts for surviving in today's highly competitive industrial market. Moreover, rapid development of Information Technology advantages and their application in manufacturing systems have led to the emergence of Advanced Manufacturing Systems (AMSs). Hence, using the AMSs, can help manufacturing enterprises to survive in the current competitive environment. Cloud manufacturing is one of the most advanced manufacturing system paradigms that has attracted a wide range of researchers and companies’ attention in recent years. Cloud Manufacturing aims to provide easy and on demand access to the shared pool of manufacturing resources... 

Cloud computing is a service-driven business model that connects distributed resources and allows multiple service demaders to submit requests simultaneously to a cloud platform via the Internet. An important issue in cloud environments is how to allocate tasks to optimize the performance of a cloud manufacturing system. Allocation of tasks in cloud manufacturing refers to the process of selecting and assigning service providers to manufacturing resources such as design, engineering, machining, testing, and packing to achieve the satisfaction level in terms of time, cost, service availability, and other quality service criteria. Task allocation is an intrinsic part of the cloud manufacturing... 

Nowadays. global competition in manufacturing industries is increasing dramatically. In fact, the traditional production systems are not able to satisfy the needs of customers whom their production complexity is increasing. In order to fulfill the mentioned challenge, a new manufacturing system entitled “cloud Manufacturing” is introduced. In this new paradigm, manufacturing resources and capabilities of production are virtualized through internet and in the whole life cycle of manufacturing and production. These resources are available for end-users via the internet based on an XaaS (everything as aservice) approach. Moreover, although there are some limitations when manufacturing services... 

In each organization, decision-making about products and their impact on the profitability of the organization is vital. Today, with the constant changes and resource constraints, as well as the growing importance of environmental issues for organizations, creating a decision model that considers all of the aformentioned aspects is vital. This study considers ten effective factors related to product portfolio and focuses on maintaining business sustainability in multi-product organizations. First, by assessing the relationship between criteria and products, the priority and weight of each of the criteria by the network analysis process (ANP) method are determined. In the next step, using the... 

New product development (NPD) is a crucial process in maintaining a company’s competitive position and succeeding in dynamic markets. One of contemporary trends in the global economy is mass customisation that bases on modifications of existing products instead of designing everything as a new project. Product development can be achieved in design, planning or production phases. Specifications of previous products deliver information of design, cost and time of past NPD projects that can be the basis for developing new products. Given the low chance of technical success, market change and high cost research, market demand, product development management is important to increase the quality... 

In recent years, economy globalization has led to a major focus on the needs of customers, Moreover globalization has resulted in geographically distributed suppliers across the globe. In such a space, using cloud manufacturing as one of the novel technologies in manufacturing that deals with resource management has been more and more taken into consideration. one of the most important issues in cloud manufacturing is service composition, in which, after receiving customer’s demand, a combination of cloud services is provided to meet customer’s demand. In fact, the customer's need is decomposed in different tasks, each of which is carried out by one (or more) manufacturing plant. the purpose... 

The present research is aimed at providing solutions for the implementation of the concept of lean production in manufacturing companies. As with increasing production, customer orientation, removal of waste and more arrangements, it can be used in the various equipment manufacturing industries (custom). It can be implemented in accordance with the conditions of each company, in order to help the production sector of the country and in order to develop appropriate strategies to improve performance, especially in the field of production, in line with the principles of pure production. Understanding the principles of pure production helps companies while familiarizing themselves with these... 

Along with globalization of competition and economy, and development of Internet and Ethernet infrastructures, IoT, artificial intelligence, etc., to modify the impact of changes and volatility, active organizations and product chains have faced with an advanced service-oriented manufacturing model based on complicated networks of operation and logistics service providers. On the other hand, appearing of individualized and customized orders have leaded to more complicated manufacturing procedure and manufacturing industries have been more restricted to satisfy varied demands. In the context of physical products and cyberspace convergence, the novel generation of advanced manufacturing... 

Today, Information Technology is a critical aspect for the development of the modern manufacturing industry. Network technology can connect customers, partners, and the general public to work together and provide resources across the supply chain to improve product performance. To meet the goal of higher performance with lower operational costs and shorter delivery times for new products, many network-driven or service-oriented models have been proposed. These models focus more on communicating with dispersed partners rather than Integrated management and generalization of dynamic resource partnerships. But, cloud manufacturing has been recognized in the literature for generating computing... 

Nowadays the concept of competition in business has been expanded from enterprises to supply chains. For success in this competitive environment, it should be established complete coordination and synchronization between different rings of the chain in both strategy and operations. The supply chain management is a factor for achieving to this purpose. Effective supply chain management, especially in complex supply chains like petroleum upstream supply chain, requires to strategic factors that propel the chain to the long term goals. Unfortunately, it is showing off the vacancy of attending to this case in the literature. This thesis tries to fill this gap in literature with a new approach...