Integration of real-time locating systems into digital twins

https://doi.org/10.1016/j.jii.2020.100174Get rights and content
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Abstract

Cyber-physical model-based solutions should rely on digital twins in which simulations are integrated with real-time sensory and manufacturing data. This paper highlights the benefits of information fusion with real-time locating systems (RTLS) and demonstrates how position and acceleration data can be utilised for the simulation-based analysis of product-specific activity times. The proposed digital twin is continuously capable to predict the production status and provide information for monitoring of production performance thanks to the real time connections of the RTLS and adaptive simulation models. The presented industrial case study demonstrates how the resulted Simulation 4.0 concept supports the analysis of human resource effectiveness (HRE) in an assembly process.

Keywords

Industry 4.0
Digital twin
Process simulation
Process development
Indoor positioning
Operator 4.0
Simulation 4.0

List of abbreviations

CPS
Cyber-physical system
ERP
Enterprise resource planning system
HIL
Hardware-in-the-loop
HRE
Human resource effectiveness
IIoT
Industrial internet of things
MES
Manufacturing execution system
OEE
Overall equipment effectiveness
RAMI
Reference architecture model industry 4.0
RTLS
Real-time locating systems

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