Abstract
The ongoing changes in manufacturing require that new information models for industrial computer systems be developed and applied. This paper describes a concept for the material model as a “digital twin” for producing highly customised, smart electronic devices. The scope of the research is the transformation of the models that are typical for the currently used automation pyramid approach to Reference Architecture Models for Industry 4.0 (RAMI4.0). The ISA95 standard is used as the modelling tool and Open Production Connectivity Unified Architecture (OPC UA) as the communication middleware. The presented use case focuses on a rework operation that is performed during the short series production of highly customised electronic devices that are produced by the Aiut company. The paper focuses on the transformation from the static architecture of Manufacturing Execution Systems to flexible and dynamic information models.
Highlights
The fourth industrial revolution is associated with agile and collective manufacturing [1], whose enabling technologies are the digitalisation and common use of individualised ICT (Information and Communication Technology) services that can and automatically be adjusted to fit a specific product and production needs [2]
The fourth industrial revolution can be symbolised by a machine that is connected to the market that is able to perform one-piece flow production that fits into the individual requirements connected with a given production step
This paper presents the results of research that is related to information modelling dedicated for the new generation of manufacturing systems
Summary
The fourth industrial revolution is associated with agile and collective manufacturing [1], whose enabling technologies are the digitalisation and common use of individualised ICT (Information and Communication Technology) services that can and automatically be adjusted to fit a specific product and production needs [2]. Views use references in order to expose a reduced subset of Nodes This mechanism can be used to represent different point of views in a material model by focusing on the selected material features that are important for a given manufacturing operation. The OPC Foundation supports the different working groups that are involved in developing the industry-leading specifications, technologies, certifications and processes that are related to OPC UA One of these is the ISA95 Working Group, which is responsible for defining and maintaining the OPC UA-based implementation for the ISA95 information models. On this model, secure information access can be achieved from different IT systems including the production control level, Manufacturing Execution Systems (MES) and Enterprise Resource Planning (ERP) systems. The rare example in which there is no possibility to repair the specific device ends with the device being scrapped or disassembled and its production order being removed from the system
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