Precision requirements for the bifilar hinge slots of a centrifugal pendulum vibration absorber

Subharmonic centrifugal pendulum vibration absorbers allowing a rotational mobility

“…Comparing Eqs. (37) and (43), one can see that there is a difference on T * 1 between SH1 and SH2. This difference is due to the presence of 𝑛 𝑝 μ𝛬 2 𝑐 ∕𝛬 𝑚 , which is directly related to the fact that the linear resonance of mode 2 is higher than that of mode 1 (cf.…”

“…Another advantage of the subharmonic CPVA over the classical one is that lower tuning orders require less demanding manufacturing tolerances [37].…”

Dynamic stability of centrifugal pendulum vibration absorbers allowing a rotational mobility

“…The use of CPVA to damp multidegrees-of-freedom systems was considered by K. Kadoi et al [25]. B. Geist et al [26] studied the precision requirements and sources of errors associated with the manufacturing process of a bifilar CPVA.…”

On the dynamic stability and efficiency of centrifugal pendulum vibration absorbers with rotating pendulums

“…They assumed a unison motion of the pendulums and gave guidelines to maximise vibration reduction while avoiding jumps of the response. Other new topics of research dealing with CPVAs include precision requirement in the manufacturing process [53] and the use of double pendulums, which allows to simultaneously filter-out two orders [54].…”