Generation of the orchestrator code for skill-based automation systems

K Dorofeev, S Bergemann, T Terzimehić… - 2021 26th IEEE …, 2021 - ieeexplore.ieee.org
2021 26th IEEE International Conference on Emerging Technologies …, 2021ieeexplore.ieee.org
Engineering distributed control systems is a complex task, where the complexity and, thus,
costs of the software development are growing rapidly. To keep the software complexity at
an acceptable level and save time for development and subsequent maintenance, new
solutions are sorely needed. In this paper, we investigate the advantages of using skills-
universal control device interfaces-for generating complex logic in distributed control
environments. By enriching a skill interface with the information about the dynamic behavior …
Engineering distributed control systems is a complex task, where the complexity and, thus, costs of the software development are growing rapidly. To keep the software complexity at an acceptable level and save time for development and subsequent maintenance, new solutions are sorely needed. In this paper, we investigate the advantages of using skills - universal control device interfaces - for generating complex logic in distributed control environments. By enriching a skill interface with the information about the dynamic behavior of a component under control, we compose the functionalities of individual control devices. The logic, required for such composition, is automatically derived from the interface description and the production plan, identifying the required skill sequence. The evaluation, executed using two industrial demonstrators, shows that the approach successfully handles different behavioral models and is capable of generating fault-tolerant orchestrators, including error handling scenarios. Overall, for developing a complex logic in a distributed skill-based automation system, the proposed approach shows significant savings in development time allowing to automate the skill composition task.
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