Amos Ng & Gary Linnéusson

Amos.ng@his.se & gary.linneusson@his.se

Module C2: Cyber Physical Systems and Digital Twins

Sub-module 2.1 Cyber-Physical Systems (1p)

Sub-module 2.2 Digital Twins - Processes (1 p)

Sub-module 2.3 Digital Twins (Systems) (1p)

Virtual RC Virtual

PLC

Two-Level Digital Twins

Schermann et al. (2006)

Virtual Machining Cutting simulation for crank shaft turning

Virtual station Virtual model of a station

Production process DES model of Crank shaft production line

Interacting simulation models requiring Simulation Data Management (DES model)

Results: Throughput

Leadtime WIP

….

Decision!

An Example from VCC

Information supplied by VCC

Sub-module 2.1 Cyber-Physical Systems (1p)

Summary: General CPS concepts and technologies; CPS for manufacturing with different application scenarios, e.g. Product Design, Production design & configuration, Planning, scheduling & optimization, Distributed Control, and Maintenance. Learning outcome: On successful completion of this sub-module, a student will be able to:

• Recognize and explain the terminology for key concepts and technologies of Cyber-Physical Systems • Describe different Cyber-Physical System applications scenarios in manufacturing. • Through a survey and review, describe the state-of-the-art and new developments of CPS within the context of Industry 4.0.

Activities:

• Module introductory video-lecture. • Video-lecture(s) on Cyber-Physical Systems and related manufacturing applications.

Assignment:

Literature study/Essay of the state-of-the-art of CPS. Course delivery options:

Completely on distance. All course material, incl. recorded lectures and presentations, provided by learning platform. Literature:

Scientific papers and books. Examination: Report

Sub-module 2.2 Digital Twins - Processes (1 p)

Summary: Digital Twins with machining and robotic cell and process as concrete examples. Topics include: 3D scanning , Virtual Robotics, Virtual Machining & Finite-Element Models, Virtual Commissioning and use of Digital twins for Optimization. Learning outcome:

• Understand the state-of-the-art of Digital Twins for the process/cell level engineering and their possible uses for optimization. • The ability to carry on further survey and review of the state-of-the-art and new developments of Digital Twins technologies within the Industry 4.0 context.

Activities:

• 1-2h video-lecture on Virtual robotics with examples/demonstrations. (Skövde) • 1-2h video-lecture on Finite-Elements models with examples/demonstrations. (Skövde) • 1-2h video-lecture on Virtual Commissioning with examples/demonstrations. (Skövde) • 1-2h video-lecture on Optimization using Digital Twins. (Skövde) • 1-2h video-lecture on 3D scanning. (Chalmers)

Assignment:

Option A: Literature study of one of the technologies above with descriptions of their benefits & limitations. Option B: Report that suggest the use of one or several technologies above to solve an specific optimization issue of a real system, argument the reason based on literature.

Course delivery options:

Completely distance. Assignment send by email.

Literature: Scientific papers.

Examination:

Previous Assignment.

V IRTUAL

C OMMISSIONING Demo. using Simumatik3D

Sub-module 2.3 Digital Twins (Systems) (1p)

Summary: Digital Twins in the Virtual Factory level. Topics may include: Discrete-Event Simulation; System Thinking & Systems Dynamics; Factory Flow Modeling & Analysis and Simulation-Based Optimization. Learning outcome:

• Understand the state-of-the-art of Digital Twins for the system/line level engineering . • The ability to carry on further survey and review of the state-of-the-art and new developments of Digital Twins technologies within the Industry 4.0

context.

Activities: • 1-2h video-lecture on systems thinking and system dynamics with examples/demonstrations. • 1-2h video-lecture on discrete-event simulation with examples/demonstrations. • 1-2h video-lecture on simulation-based optimization for factory-level optimization.

Assignment:

Lab. reports.

Course delivery options: Completely distance. Assignment send by email.

Literature & Tools:

Scientific papers, books; possible remote access to Vensim and FACTS Analyzer demo versions

Examination: Assignment.