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
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
51. IEEE Transactions on Network and Service Management, 16(2):389--402
January 2019
ISSN: 1932-4537
50.
René Glebke, Martin Henze, Klaus Wehrle, Philipp Niemietz, Daniel Trauth, Patrick Mattfeld and Thomas Bergs
Proceedings of the 52nd Hawaii International Conference on System Sciences (HICSS), Wailea, HI, USA, page 7252-7261.
Publisher: University of Hawai'i at Manoa / AIS,
January 2019
ISBN: 978-0-9981331-2-6
49.
Mirko Stoffers, Daniel Schemmel, Oscar Soria Dustmann and Klaus Wehrle
ACM Transactions on Modeling and Computer Simulation (TOMACS), 28(4):26:1-26:25
October 2018
48.
Jens Hiller, Martin Henze, Martin Serror, Eric Wagner, Jan Niklas Richter and Klaus Wehrle
43rd IEEE Conference on Local Computer Networks (LCN), Chicago, USA
Publisher: IEEE,
October 2018
ISBN: 978-1-5386-4413-3
47.
Martin Serror, Martin Henze, Sacha Hack, Marko Schuba and Klaus Wehrle
Proceedings of the 2nd International Workshop on Security and Forensics of IoT (IoT-SECFOR), co-located with the 13th International Conference on Availability, Reliability and Security (ARES 2018), Hamburg, Germany
Publisher: ACM,
August 2018
ISBN: 978-1-4503-6448-5
46.
Proceedings of the 2018 Afternoon Workshop on Kernel Bypassing Networks (KBNets'18), page 1-7.
Publisher: ACM,
August 2018
45.
Jan Rüth, René Glebke, Klaus Wehrle, Vedad Causevic and Sandra Hirche
Proceedings of the ACM SIGCOMM 2018 1st Workshop on In-Network Computing (NetCompute '18)
Publisher: ACM,
August 2018
44. IEEE Transactions on Vehicular Technology, 67(7):5778-5792
July 2018
ISSN: 0018-9545
43.
Martin Serror, Sebastian Vaaßen, Klaus Wehrle and James Gross
19th IEEE International Symposium on "A World of Wireless, Mobile and Multimedia Networks" (IEEE WoWMoM 2018), Chania, Greece
Publisher: IEEE,
June 2018
ISBN: 978-1-5386-4725-7
42.
In Proceedings of IEEE INFOCOM 2018 - IEEE Conference on Computer Communications
Publisher: IEEE Computer Society,
April 2018
41.
Proceedings of the 1st Workshop on Benchmarking Cyber-Physical Networks and Systems (CPSBench'18)
April 2018
ISBN: 978-1-5386-6742-2
Page:  
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