Belt tension measurement and monitoring of load securing straps by using resistive stitch-based strain sensors

Norman Lesser; Bernd Sadlowsky

doi:10.14513/actatechjaur.00737

Authors

Norman Lesser Institute for BFSV, Ulmenliet 20, 21033 Hamburg, Germany
Bernd Sadlowsky HAW Hamburg University of Applied Sciences, Department of process engineering, Ulmenliet 20, 21033 Hamburg, Germany

DOI:

https://doi.org/10.14513/actatechjaur.00737

Keywords:

smart textiles, strain sensor, lashing strap, load security

Abstract

This paper focusses on the evaluation of stitch-based strain sensors suitability for the belt tension measuring and monitoring of load securing straps in road freight transportation. Formerly developed stitch-based strain sensor applications were embroidered on a commercial load securing strep, compliant with established industrial standards for load security in the Federal Republic of Germany. The applications were tested in lashing experiments, simulating the securing of a dummy load in road freight transportation. The experiment results showed that they are capable of measuring and monitoring applied amounts of belt tension with a computable change in stitch-resistance. However, cyclic belt tensioning causes strain wear on the stitched applications, resulting in resistance and sensitivity drift.

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