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Shock and Vibration
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2019
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Article
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Tab 9
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Research Article
Experimental Approach to Active Mounts Using Electromagnetic Actuator and Rubber with Consideration of Shock Resistance for Naval Shipboard Equipment
Table 9
Measurement results of vibration reduction when applying the hybrid mount.
#
Frequency (Hz)
Passive (dB)
Active (dB)
Difference (dB)
Set #1
30 Hz
45.5
20.9
24.6
60 Hz
65.5
39.0
26.5
90 Hz
57.7
37.3
20.4
Set #2
90 Hz
57.5
28.0
29.5
180 Hz
72.7
32.9
39.8
270 Hz
86.5
44.8
41.7