Cyber-Physical Systems Group

"Making the interconnected world work in a flexible and efficient, but safe and reliable manner to the benefit of society"

Cyber-physical Systems that combine the physical world with the virtual world are starting to play an ever more important role in our daily lives. In this research group, we're looking at the fundamental concepts and challenges to realize the vision of an interconnected world. In particular, we focus on industrial communication systems.

In contrast to human-to-human communication, communication between machines requires a fundamentally new approach. While humans are inherently able to cope with imperfections in communication, machines require predictability. This covers aspects of correctness, latency, and context sensitivity, but also new sensing paradigms.

In our group, we especially focus on (safety-)critical industrial applications (Industry 4.0), but also on enabling new simulation methodologies for complex networked systems. Solving the fundamental challenges in these areas therefore enables the Internet of Everything.

Hot Topics

  • In-network processing techniques for industrial control
    • Co-design approaches
    • Predictable system behavior
    • Theoretical and practical limits
  • Low-latency ultra-reliable wireless systems
    • Network design
    • Reliability-enhancing strategies
    • Theoretical and practical limits
  • Systems engineering and tool development
    • Replacement of Expected Values (mean), with hard guarantees
    • Guided design

Methodology and Tools

To convince stakeholders, new approaches need a solid base in theory, but – more importantly – also need validation and demonstration in practical prototypes. This leads to the following design circle.

  1. Requirements analysis
  2. Analytical studies using abstract models
  3. Simulations and/or verification
  4. Real-world experiments
  5. Start over

Projects

Current Projects

  • CONSENT: Conformance-driven and Auto-configured Security for Home and Industrial Networks
    (within the NRW Postgraduate Training Programme)
  • Internet of Production: Technical foundations enabling cross-domain collaboration in production
    (Interdisciplinary Cluster of Excellence)
  • REFLEXES: A Co-Designed Architecture for In-Network Control
    (DFG within Priority Program 1914 "Cyber-Physical Networking")

Selected Past Projects

  • FootPath: Infrastructure-less indoor navigation on smartphones
  • HODRIAN: Development of a frequency agile, decentralized, reliable wireless system
  • KoI: Development of a centralized, reliable, 1ms wireless system
  • MemoSim: Avoiding of Redundant Computations in Simulation Parameter Studies by Memoization
    (DFG project)
  • PREserv: Privacy Enhanced Sensing, Encoding, Relaying & Visualization
  • Psychologist in a Pocket: Mental health (depression) screening on smartphones
  • RatPack: Analysis of animal ecological and social networks with programmable sensor nodes
  • WARPsim: A code-transparent simulation environment for WARP devices

Available Theses

The Cyber-Physical Systems Group always has a range of thesis topics available for motivated and talented students. An excerpt of available theses can be seen from inside the RWTH University network.

Group publications

References
63.
Jörg Christian Kirchhof, Martin Serror, René Glebke and Klaus Wehrle
International Symposium on a World of Wireless, Mobile and Multimedia Networks: Workshop on Communication, Computing, and Networking in Cyber Physical Systems (WoWMoM-CCNCPS'2020), August 31 - September 3, 2020, Cork, Ireland
Publisher: IEEE Computer Society,
August 2020
accepted
62.
Armin F. Buckhorst, Benjamin Montavon, Dominik Wolfschläger, Melanie Buchsbaum, Amir Shahidi, Henning Petruck, Ike Kunze, Jan Pennekamp, Christian Brecher, Mathias Hüsing, Burkhard Corves, Verena Nitsch, Klaus Wehrle and Robert H. Schmitt
Proceedings of the 14th CIRP Conference on Intelligent Computation in Manufacturing Engineering (ICME '20), July 14-17, 2020, Gulf of Naples, Italy
Publisher: Elsevier,
July 2020
accepted
61.
Proceedings of the 19th IFIP Networking 2020 Conference (NETWORKING '20), June 22-26, 2020, Paris, France
Publisher: IFIP,
June 2020
accepted
60.
Samuel Mann, René Glebke, Ike Kunze, Dominik Scheurenberg, Rahul Sharma, Uwe Reisgen, Klaus Wehrle and Dirk Abel
Study on weld seam geometry control for connected gas metal arc welding systems
Proceedings of the 2020 Internal Conference on Ubiquitous Robots
June 2020
accepted
59. IEEE Transactions on Network and Service Management, 17(2):1224 - 1238
December 2019
ISSN: 1932-4537
58.
1st ACM CoNEXT Workshop on Emerging in-Network Computing Paradigms (ENCP '19)
Publisher: ACM,
December 2019
ISBN: 978-1-4503-7000-4/19/12
57.
Thomas Bergs, Philipp Niemietz, Jan Pennekamp, Ike Kunze, Daniel Trauth and Klaus Wehrle
Proceedings of the 8th International Conference on Through-Life Engineering Service (TESConf '19), October 27-29, 2019, Cleveland, OH, USA
October 2019
accepted
56.
In Proceedings of the Network Traffic Measurement and Analysis Conference (TMA '19)
Publisher: IFIP/IEEE,
June 2019
55.
Jan Pennekamp, René Glebke, Martin Henze, Tobias Meisen, Christoph Quix, Rihan Hai, Lars Gleim, Philipp Niemietz, Maximilian Rudack, Simon Knape, Alexander Epple, Daniel Trauth, Uwe Vroomen, Thomas Bergs, Christian Brecher, Andreas Bührig-Polaczek, Matthias Jarke and Klaus Wehrle
Proceedings of the 2nd IEEE International Conference on Industrial Cyber-Physical Systems (ICPS '19), May 6-9, 2019, Taipei, TW, page 31-37.
Publisher: IEEE,
May 2019
ISBN: 978-1-5386-8500-6/19
54.
Technical Report
Report Number: arXiv:1905.03144 [cs.NI]
COMSYS, RWTH Aachen University, Ahornstr. 55, 52074 Aachen, Germany
May 2019
53. ITG-news, 02/2019:7-8
April 2019
52.
Sebastian Gallenmüller, René Glebke, Stephan Günther, Eric Hauser, Maurice Leclaire, Stefan Reif, Jan Rüth, Andreas Schmidt, Georg Carle, Thorsten Herfet, Wolfgang Schröder-Preikschat and Klaus Wehrle
In Proceedings of the International Workshop on Edge Systems, Analytics and Networking (EdgeSys 2019)
Publisher: ACM,
March 2019
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