October 2019

www.smartmachinesandfactories.com October 2019 | 17 | | FEATURES | from simple logical sequences to complex, critical scenarios to ensure the overall efficiency and quality of the machine’s hardware and software. Using a digital twin drastically reduces the amount of time needed to commission the actual machine and minimises the risk of errors. independent industrial standard Functional Mock-up Interface (FMI), models can be exchanged and co- simulated using a variety of development tools. B&R offers a mechanism for importing Functional Mock-up Units (FMU) in accordance with the FMI 2.0 standard. “FMUs are seamlessly integrated into Automation Studio as function blocks”, explains Zehetleitner. Simulation tools can be used to test models in all defined scenarios and perform comprehensive virtual commissioning. Testing performed during virtual commissioning can range Digital twins A digital twin is a detailed, dynamic representation of a real machine. Three-dimensional CAD data is used to create a digital model, which can be assigned all the characteristics and functions of the machine being developed – including the materials and sensors used as well as the movements and dynamic properties of the actual machine. This allows the behavior of the machine to be simulated in real time to identify potential errors or areas for improvement without the time, risk and expense of creating a physical prototype. B&R’s Scene Viewer tool uses CAD data to visualise movements in 3D.