Vibration Attenuation in Rotating Machines Using Smart Spring Mechanism

Table 3

SSM control efficiency (response RMS values).

Directions/bearings	Without SSMs (10^-3)	With SSMs (10^-3)	Difference (%)
𝑥/𝐵1	0.1285	0.0984	−23.42
𝑥/𝐵2	0.3818	0.2255	−40.93
𝑥/𝐵3	0.4109	0.2581	−37.17
𝑧/𝐵1	0.1369	0.1008	−26.38
𝑧/𝐵2	0.4576	0.2919	−36.21
𝑧/𝐵3	0.4749	0.3210	−32.41