Jun ZHANG, Tiantian ZHEN, Jiale CAI, Mengtong LI, Yuting LIU. Sensitivity laws and prediction of piezoelectric force sensors at different loading points[J]. Optics and Precision Engineering, 2023, 31(18): 2656
- Optics and Precision Engineering
- Vol. 31, Issue 18, 2656 (2023)
Fig. 1. Structure of eight-pivot piezoelectric
Fig. 2. Schematic diagram of the force geometry of dynamometer
Fig. 3. Schematic diagram of main loading point
Fig. 4. Experimental device and signal transmission process
Fig. 5. Schematic diagram of sensitivity experimental
Fig. 6. Schematic diagram of lateral loading point
Fig. 7. Schematic diagram of lateral loading point
Fig. 8. Flowchart of changed position sensitivity prediction
Fig. 9. Prediction of main direction sensitivity
Fig. 10. Prediction of lateral direction sensitivity
Fig. 11. Prediction deviation and standard deviation of sensitivity
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Table 1. Sensitivity of dynamometer with changed position
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Table 2. Sensitivity of dynamometer with changed position
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Table 3. Sensitivity of dynamometer with changed position
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Table 4. Calculation error and standard deviation of sensitivity
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Table 5. Prediction deviation and standard deviation of sensitivity
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