Hybrid Vibration Control under Broadband Excitation and Variable Temperature Using Viscoelastic Neutralizer and Adaptive Feedforward Approach

Table 5

PVCS and HVCS performance (vibration attenuation related to the uncontrolled beam vibrations levels), resonance peak analysis.

Temperature [°C]	Vibration control system	Vibration mode
		4th [dB]	5th [dB]	6th [dB]
5	Passive	2,3	7,7	19,3
	Hybrid	0,0	25,6	34,1
15	Passive	6,2	10,8	20,0
	Hybrid	11,5	24,6	32,2
25	Passive	6,2	15,5	19,5
	Hybrid	13,3	24,3	29,1
35	Passive	14,0	18,6	17,0
	Hybrid	17,8	24,7	30,6