Research Article
Vibration Characteristics Analysis of Composite Laminated Annular/Circular Plate Using High-Order Shear Deformation Theory
Table 9
Experimental instruments for the modal test of rotating plate structures.
| | Name | Model number | Parameter | Use |
| | Hammer | LC-01A | Hammer head: aluminum hammer head; sensitivity: 4 pC/N; output signal: electric charge type | Provide incentives for plate structures |
| | Charge amplifier | DH5857-1 | Input resistance: >1011 Ω; input electric charge: <105 pC; sensitivity: 0.1, 10 mv/pC | Amplify the excitation force and acceleration signal |
| | Acceleration sensor | 1A116E | Weight: 5.5 g; sensitivity: 10 mv/m·s−2; measuring range: 500 m·s−2; frequency range: 1∼10000 Hz | Picking up acceleration signal of plate vibration |
| | Dynamic signal test and analysis system | DH5922N | Frequency range channel number: 32 channels; maximum power: 100 W; communication interface: USB3.0; power supply: 220 VAC, 12 VDC | Collect force signal and acceleration signal |
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