In product-centric manufacturing paradigm, a digital counterpart of a product will request manufacturing services to assemble itself. A modelling & assembly planning framework for product-centric design is considered and extended in this paper. Furthermore, we present a case-study on a productcentric digital twin controlling the assembly of its physical counterpart using a collaborative robot.
Dynamic reconfigurability and adaptability are crucial features of the future manufacturing systems that must be supported by adequate software technologies. Currently, they are typically achieved as add-ons to existing software tools and run-time systems, which are not based on any formal foundation such as formal model of computation (MoC). This paper presents the new programming paradigm of service oriented SystemJ (SOSJ), which targets dynamic distributed software systems suited for future manufacturing applications. SOSJ is built on a merger and the synergies of two programming concepts of service oriented architecture, to support dynamic software system composition, and SystemJ programming language based on a formal MoC, which targets correct by construction design of static distributed software systems. The resulting programming paradigm allows the design and implementation of dynamic distributed software systems.
This paper presents the development of a flexible product-driven manufacturing case study. The case study is based on Festo EnAS (Energieautarke Aktoren und Sensoren" or "energy efficient actuators and sensors" in English) platform, enhanced with mobile robot for logistics and a camera for automated visual-based product inspection. IEC 61499-based and wirelesscapable embedded controllers are used to enable decentralized control architecture. In this case study, a software design pattern is considered to enable easier development of modular production systems with physically reconfigurable layout during the production process. This paper applies the software design pattern into production systems where product-driven approach is adopted, i.e. the overall production process is determined based on the product specifications/requirements from the customer.
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