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SEAMS 2022
Mon 23 - Tue 24 May 2022
co-located with ICSE 2022
Fri 20 May 2022 10:45 - 10:55 at SEAMS room - Socio-Cyber-Physical Systems Chair(s): Liliana Pasquale, Catia Trubiani

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Background: Industrial Product-Service Systems (IPSS) denote a service-oriented way of providing access to cyber-physical systems’ (CPS) capabilities. The design of such systems bears high risk due to uncertainty in requirements related to service function and behavior, operation environments, and evolving customer needs. Such risks and uncertainties are well known in the IT sector, where DevOps principles ensure continuous system improvement through reliable and frequent delivery processes. A modular and service-oriented system architecture complements these processes to facilitate IT system adaptation and evolution.

Objective: This work proposes a method to use and extend the Digital Twins (DTs) of IPSS assets for enabling the continuous optimization of CPS service delivery and the latter’s adaptation to changing needs and environments. This reduces uncertainty during design and operations by assuring IPSS integrity and availability, especially for design and service adaptations at CPS runtime.

Methodology: The method builds on transferring IT DevOps principles to DT-enabled CPS IPSS. The chosen design approach integrates, reuses, and aligns the DT processing and communication resources with DevOps requirements derived from literature.

Results: We use these requirements to propose a DT-enabled self-adaptive CPS model, which guides the realization of DT-enabled DevOps in CPS IPSS. We further propose detailed design models for operation-critical DTs that integrate CPS closed-loop control and architecture-based CPS adaptation. This integrated approach enables the implementation of A/B testing as a use case and central concept to enable CPS IPSS service adaptation and reconfiguration.

Conclusion: The self-adaptive CPS model and DT design concept have been validated in an evaluation environment for operation-critical CPS IPSS. The demonstrator achieved sub-millisecond cycle times during service A/B testing at runtime without causing CPS operation interferences and downtime.

Fri 20 May

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10:30 - 11:45
Socio-Cyber-Physical Systems SEAMS 2022 at SEAMS room
Chair(s): Liliana Pasquale University College Dublin & Lero, Catia Trubiani Gran Sasso Science Institute
A Paradigm for Safe Adaptation of Collaborating RobotsShort Research Paper
SEAMS 2022
Emilia Cioroaica Fraunhofer IESE, Barbora Buhnova Masaryk University, Emrah Tomur Ericsson
DOI Pre-print
Extending MAPE-K to support Human-Machine TeamingResearch Paper
SEAMS 2022
Jane Cleland-Huang University of Notre Dame, Ankit Agrawal University of Notre Dame, Michael Vierhauser Johannes Kepler University Linz, Michael Murphy University of Notre Dame, Mike Prieto University of Notre Dame
Pre-print Media Attached
Towards Digital Twin-enabled DevOps for CPS providing Architecture-Based Service Adaptation & Verification at RuntimeResearch Paper
SEAMS 2022
Pre-print Media Attached
SEAMS 2022

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Fri 20 May 2022 10:30 - 11:45 at SEAMS room - Socio-Cyber-Physical Systems Chair(s): Liliana Pasquale, Catia Trubiani
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