Articles | Volume 13, issue 2
https://doi.org/10.5194/jsss-13-237-2024
https://doi.org/10.5194/jsss-13-237-2024
Regular research article
 | 
04 Dec 2024
Regular research article |  | 04 Dec 2024

Soft sensor system for in-process eddy current microstructure characterization

Sebastian Hütter, Yury Simonin, Gerhard Mook, and Thorsten Halle

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Short summary
A simple physically motivated model for measurements obtained by nondestructive testing and evaluation using eddy-current methods is created by using equivalent circuit networks that include all relevant effects. The transfer function of a network is derived and its physical meaning discussed. For use in process control, a sensor system with low-latency parameter identification is integrated into a forming process, and its abilities to monitor microstructure changes are demonstrated.