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The current complex market highlights the need of software tools supporting product engineering and manufacturing during the various stages of product and factory lifecycles. These are designed focusing on specific tasks, thus missing to satisfy the requirements of networked collaboration and concurrent engineering for the design and management of products, processes and production systems. A major challenge consists in the integration and harmonisation of the knowledge related to the factory of industrial companies by using a variety of multidisciplinary software tools. The topic is addressed by software providers and the scientific community, as demonstrated by the European project "Virtual Factory Framework" (VFF) that aims at developing an integrated framework to implement the next generation virtual factory. This paper describes the motivations behind the VFF concepts, together with the goals and the first results. Finally, it is presented how the Virtual Factory will be permanently synchronised with the Real Factory to validate its expected time and cost savings during the factory lifecycle phases.
Digital Factory is a comprehensive approach of network of digital models, methods, and tools - including modelling, simulation and 3D/Virtual Reality visualization- integrated by a continuous data management. (DiFac brochure, 2007). This paper describes the results of the research project named DiFac (FP6-2005-IST-5-035079) founded by the European Commission. DiFac realized a suite of results able to drive manufacturing SMEs from Digital to Virtual Factory. The DiFac Integrated Scenario illustrates the modularity and scalability of the project results. The paper shows a not so far in the future daily life in a possible manufacturing factory named SECONDA Laser Machine. Different actors in various parts of the world re-design a new product in a collaborative and delocalised way, re-organize the production line evaluating it with simulation and ergonomics and finally use the new technologies as Virtual and Augmented reality for designing the new laser machine and maintaining it efficiently.
The current challenges in manufacturing engineering are the integration of the product/process/factory worlds (data and tools)
and the synchronization of their lifecycles. Major ICT players already offer all-comprehensive Product Lifecycle Management
suites supporting most of the processes. However, they do not offer all the required functionalities and they lack of interoperability.
An answer will be given by the development of a Virtual Factory Framework (VFF): an integrated virtual environment that supports
factory processes along all the phases of its lifecycle. This paper will focus on the Virtual Factory Manager (VFM) that acts
as a server supporting the I/O communications within the framework for the software tools needing to access its data repository.
The VFM will ensure data consistency and avoid data loss or corruption while different modules access/modify partial areas
of the data repository at different times. Finally, an industrial case study will show the potentiality of the VFM.
The growing importance of manufacturing SMEs within the European economy, in terms of Gross Domestic Product and number of jobs, emphasizes the need of proper ICT tools to support their competitiveness. Major ICT players already offer one-does-all Product Lifecycle Management suites, however, these do show consistent shortcomings in terms of SME accessibility, degree of personalization and they often lack of an acceptable level of interoperability. These problems are being addressed by the development of a Virtual Factory Framework (VFF). The approach is based on four pillars: (1) Semantic Shared Data Model, (2) Virtual Factory Manager (VFM), (3) Decoupled Software Tools and (4) Integration of Knowledge. This paper will focus on the Virtual Factory Manager that acts as a server supporting the I/O communications within the framework and its stored knowledge for the Decoupled Software Tools needing to access its repository.