Communication in Digital Twin

Communication in Digital Twin

List of Communication Protocol

• MQTT,
• CoAP,
• MTConnect,
• OPC* UA

Examples

Example 1

Communication stack in Tang. 2022. Design of power lithium battery management system based on digital twin:

• Physical to virtual: local database through UART (universal asynchronous receiver transmitter), which are pre-processed into twin data. Python on the host computer is used to read from the physical twin, preliminary process and to write to the Sql server database.
• Data storage: the voltage, current and SoC data are stored in a Sqlserver database and managed by sql server management studio (SSMS).
• The database communicate and interact with Matlab and Unity3D in real time.
• Image: image

Example 2

Communication stack in Hinchy. 2019. Using open-source microcontrollers to enable digital twin communication for smart manufacturing:
(image)

• Physical to virtual: sensors relay data to the microcontroller which processes the data and send actions to the actuators. The Raspberry Pi microcontroller was established as an OPC UA server and is used to transmit data from the microcontroller to the OPC UA client on an MS Windows PC. These data were stored in a database and used to predict related values.

Bibliography

Tang, H., Wu, Y., Cai, Y., Wang, F., Lin, Z., & Pei, Y. (2022). Design of power lithium battery management system based on digital twin. Journal of Energy Storage, 47, 103679. https://doi.org/10.1016/j.est.2021.103679
Hinchy, E. P., O’Dowd, N. P., & McCarthy, C. T. (2019). Using open-source microcontrollers to enable digital twin communication for smart manufacturing. Procedia Manufacturing, 38, 1213–1219. https://doi.org/10.1016/j.promfg.2020.01.212