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Mathematical Framework for the Representation of the Travel of an Accelerometer-Based Texture Testing Device
Harald Paulsen1, Christian Peham2, Johannes Peter Schramel2
1Research Unit for Biomechanics and Rehabilitation Engineering, TU Wien, 1060 Vienna, Austria.
Sensors (Basel, Switzerland)
|September 19, 2025
Summary
A new Surface Tester of Food Resilience (STFR) uses refined physics models to accurately measure food texture. This device extends the measurement range for food resilience testing, improving texture analysis.
Area of Science:
- Physics
- Food Science
- Materials Science
Background:
- The Vienna Surface Tester (VST) uses accelerometers to test surface characteristics.
- A scaled-down version, the Surface Tester of Food Resilience (STFR), is proposed for food texture analysis.
- Unlike the VST, the STFR follows a constrained circular path.
Purpose of the Study:
- To refine mathematical models for the STFR probe's trajectory.
- To extend the measurement range of the STFR device.
- To improve the accuracy of food texture testing.
Main Methods:
- Developed refined mathematical representations for the STFR probe's fall, impact, and rebound phases.
- Modified existing mathematical models to enhance the STFR's measurement capabilities.
- Utilized accelerometer data to analyze material characteristics during impact.
Main Results:
- Successfully refined the mathematical description of the STFR's spherical probe trajectory.
- Extended the effective measurement range of the STFR device.
- Improved the potential for accurate food texture characterization.
Conclusions:
- The refined mathematical models provide a more accurate representation of the STFR's behavior.
- The enhanced STFR device offers improved capabilities for food texture analysis.
- This work advances the application of accelerometer-based testing in food science.
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