20.500.12556/RUL-176584 Temperature self compensation for dynamic sensitivity in 3D-printed piezoresistive sensors Temperature variations induce nonlinear changes in the dynamic sensitivity of 3D-printed piezoresistive sensors, thereby limiting their deployment in thermally variable environments. Conventional temperature- compensation approaches rely on dedicated temperature sensors or extensive calibration matrices, which increase system complexity and reduce measurement reliability. This research investigates the hypothesis that temperature-induced changes in dynamic sensitivity in 3D- printed thermoplastic extrusion technology piezoresistive sensors are directly proportional to the changes in electrical resistance. The hypothesis was tested against twenty-four single-process 3D-printed accelerometers operating from 5 °C to 35 °C in three humidity conditions. Strong linear correlations (R$^2$ > 0.98) between the relative resistance and the dynamic sensitivity changes were found. The resistance-based temperature self-compensation method does not require additional sensors. It enables accurate sensitivity prediction with errors below 5 % in normal humidity and 12 % in extreme humidity environments. This approach eliminates the need for temperature sensors while maintaining measurement accuracy, enabling the deployment of thermoplastic 3D-printed piezoresistive sensors in smart structures operating across varying environmental conditions. 3D printing piezoresistive sensors smart structures temperature self compensation resistance dynamic sensitivity 3D tiskanje piezouporni senzorji pametne strukture temperaturna samokompenzacija električna upornost dinamična občutljivost true false true Angleški jezik Slovenski jezik Članek v reviji 2025-12-04 12:39:05 2025-12-04 12:39:10 2026-07-13 15:21:16 0000-00-00 00:00:00 2026 0 0 11 str. art. 111075 Vol. 309 2026 0000-00-00 Zaloznikova Objavljeno NiDoloceno 0000-00-00 0000-00-00 0000-00-00 004.92:531 1879-2162 10.1016/j.ijmecsci.2025.111075 259970051 RAZ_Krivic_Gasper_2025.pdf RAZ_Krivic_Gasper_2025.pdf 1 B67E6920B607CA607D3E3514E78C1BA1 b797fb05406377a6093d0be06fb807534b17a3fa76f59e3e9e8dd216a4fc50d6 863e3478-d106-11f0-9328-0050569b8976 https://repozitorij.uni-lj.si/Dokument.php?lang=slv&id=223007 https://www.sciencedirect.com/science/article/pii/S0020740325011543 0 766d25db-d105-11f0-9328-0050569b8976 https://repozitorij.uni-lj.si/Dokument.php?lang=slv&id=223006 Fakulteta za strojništvo 0 0 0