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A Comprehensive Design of Six-Axis Force/Moment Sensor
Anton Royanto Ahmad1, Terrence Wynn1, Chyi-Yeu Lin1,2,3
1Department of Mechanical Engineering, National Taiwan University of Science and Technology, Taipei 106, Taiwan.
Sensors (Basel, Switzerland)
|July 2, 2021
Summary
This study integrates a high-efficiency data acquisition board (DAQ) into a six-axis force/moment (F/M) sensor, significantly reducing measurement error and crosstalk for improved industrial applications.
Area of Science:
- Mechanical Engineering
- Sensor Technology
- Instrumentation
Background:
- External data acquisition boards (DAQs) in strain gage-based six-axis force/moment (F/M) sensors can reduce accuracy due to voltage drops.
- Previous integrated DAQ solutions were limited to capacitance and optical sensor types.
Purpose of the Study:
- To develop and validate a novel six-axis F/M sensor with an integrated high-efficiency DAQ.
- To improve the accuracy and reduce crosstalk compared to existing systems.
Main Methods:
- Integration of a high-efficiency DAQ with 32 strain gages in a six-axis F/M sensor.
- Structural design optimization using sequential quadratic programming.
- Validation through Finite Element Analysis (FEA) and comparison with commercial DAQ systems.
Main Results:
- Significantly reduced measurement error to 1.15%.
- Significantly reduced crosstalk to 0.68%.
- Achieved the best published combination of accuracy and crosstalk for this sensor type.
Conclusions:
- The integrated DAQ system offers superior performance for six-axis F/M sensors.
- This advancement minimizes errors associated with external DAQ systems.
- The developed sensor represents a significant improvement in precision measurement technology.
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