Herbst, Felix ; Chadda, Romol ; Hartmann, Claas ; Peters, Julian ; Riehl, David ; Gwosch, Thomas ; Hofmann, Klaus ; Matthiesen, Sven ; Kupnik, Mario (2022):
Multi-axis Force Sensor for Sensor-integrating Bolts.
In: SENSORS 2022: Conference Proceedings,
IEEE, 2022 IEEE Sensors, Dallas, USA, 30.10.-02.11.2022, e-ISSN 2168-9229, ISBN 978-1-6654-8464-0,
DOI: 10.1109/SENSORS52175.2022.9967220,
[Conference or Workshop Item]
Abstract
We present a multi-axis force sensor capable of measuring both axial forces and bending moments that is integrable into a cavity within a M20 bolt. This cavity, which reduces the resilience of the bolt by 23.5 %, and, thus, corresponds to a reduction by only one strength class, is designed by conducting a finite element analysis. The force sensor featuring a diameter of 13.9 mm and a length of 19.5 mm is based on a deformation body that consists of three beams. The manufactured deformation body is applied with one strain gauge on each of the inner and outer beam surface providing a half-bridge configuration for each beam. Measurements when loading the force sensor solely with a bending load of 75 Ncm and an axial load of 100 N show low linearity errors of ±0.4 % and ±1.1 % for those load cases. Furthermore, decoupling of various loads from different load cases is achieved with a maximum error of 3.1 %. These results confirm that the force sensor developed is suitable for integration in bolts to detect faults in bolt connections due to multi-axis loads at an early stage, and, thus, increase safety of machinery and plants.
Item Type: | Conference or Workshop Item |
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Erschienen: | 2022 |
Creators: | Herbst, Felix ; Chadda, Romol ; Hartmann, Claas ; Peters, Julian ; Riehl, David ; Gwosch, Thomas ; Hofmann, Klaus ; Matthiesen, Sven ; Kupnik, Mario |
Title: | Multi-axis Force Sensor for Sensor-integrating Bolts |
Language: | English |
Abstract: | We present a multi-axis force sensor capable of measuring both axial forces and bending moments that is integrable into a cavity within a M20 bolt. This cavity, which reduces the resilience of the bolt by 23.5 %, and, thus, corresponds to a reduction by only one strength class, is designed by conducting a finite element analysis. The force sensor featuring a diameter of 13.9 mm and a length of 19.5 mm is based on a deformation body that consists of three beams. The manufactured deformation body is applied with one strain gauge on each of the inner and outer beam surface providing a half-bridge configuration for each beam. Measurements when loading the force sensor solely with a bending load of 75 Ncm and an axial load of 100 N show low linearity errors of ±0.4 % and ±1.1 % for those load cases. Furthermore, decoupling of various loads from different load cases is achieved with a maximum error of 3.1 %. These results confirm that the force sensor developed is suitable for integration in bolts to detect faults in bolt connections due to multi-axis loads at an early stage, and, thus, increase safety of machinery and plants. |
Book Title: | SENSORS 2022: Conference Proceedings |
Publisher: | IEEE |
ISBN: | 978-1-6654-8464-0 |
Divisions: | 18 Department of Electrical Engineering and Information Technology 18 Department of Electrical Engineering and Information Technology > Measurement and Sensor Technology 18 Department of Electrical Engineering and Information Technology > Institute of Computer Engineering 18 Department of Electrical Engineering and Information Technology > Institute of Computer Engineering > Integrated Electronic Systems (IES) |
Event Title: | 2022 IEEE Sensors |
Event Location: | Dallas, USA |
Event Dates: | 30.10.-02.11.2022 |
Date Deposited: | 02 Feb 2023 07:59 |
DOI: | 10.1109/SENSORS52175.2022.9967220 |
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