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Wireless Control for Smart Manufacturing: Recent Approaches and Open Challenges

: Baumann, Dominik; Mager, Fabian; Wetzker, Ulf; Thiele, Lothar; Zimmerling, Marco; Trimpe, Sebastian

Volltext ()

Proceedings of the IEEE (2020), Online First, 27 S.
ISSN: 0018-9219
Bundesministerium für Bildung und Forschung BMBF (Deutschland)
Verteilte Emergente Regelung im IoT mittels Agil kollaborierender Systeme
Zeitschriftenaufsatz, Elektronische Publikation
Fraunhofer IIS, Institutsteil Entwurfsautomatisierung (EAS) ()

Smart manufacturing aims to overcome the limitations of today's rigid assembly lines by making the material flow and manufacturing process more flexible, versatile, and scalable. The main economic drivers are higher resource and cost efficiency as the manufacturers can more quickly adapt to changing market needs and also increase the lifespan of their production sites. The ability to close feedback loops fast and reliably over long distances among mobile robots, remote sensors, and human operators is a key enabler for smart manufacturing. Thus, this article provides a perspective on control and coordination over wireless networks. Based on an analysis of real-world use cases, we identify the main technical challenges that need to be solved to close the large gap between the current state of the art in industry and the vision of smart manufacturing. We discuss to what extent existing control-over-wireless solutions in the literature address those challenges, including our own approach toward a tight integration of control and wireless communication. In addition to a theoretical analysis of closed-loop stability, practical experiments on a cyber-physical testbed demonstrate that our approach supports relevant smart manufacturing scenarios. The article concludes with a discussion of open challenges and future research directions.