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Design and Research of Superimposed Force Sensor
Genshang Wu1, Jinggan Shao1,2, Yicun Xu3
1Henan College of Transportation, Zhengzhou 450006, China.
Micromachines
|September 27, 2025
Summary
Optimizing force sensor layout enhances measurement accuracy and equipment stability. Symmetric, sparse sensor arrangements minimize errors, validated by simulations and experiments.
Area of Science:
- Mechanical Engineering
- Instrumentation and Measurement
Background:
- Superposition-type force sensors' accuracy and stability depend on individual sensor configuration.
- Experimental analysis of all configurations is resource-intensive.
Purpose of the Study:
- To efficiently analyze the impact of sensor number and layout on force measurement accuracy and stability.
- To identify optimal configurations through simulation and experimental validation.
Main Methods:
- Modeling force instruments using SolidWorks based on common superposition schemes.
- Finite element analysis (FEA) using ANSYS to simulate deformation, stress, and force values.
- Experimental validation of simulation results.
Main Results:
- Symmetric, sparse sensor layouts around the base plate's center improve stability.
- Force measurement errors can be controlled within ten-thousandths.
- A "Pin font" arrangement of three sensors showed minimal discrepancy between individual and superimposed force sums.
Conclusions:
- FEA is an efficient method for optimizing force sensor design.
- Symmetric and sparse sensor layouts are recommended for enhanced stability and accuracy.
- Experimental results confirm simulation predictions for optimal sensor configurations.
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