Active hard mount vibration isolation

A novel active vibration isolation approach using stiff supports (called hard mounts) is discussed. The objective of this vibration isolation system is to combine high support stiffness with excellent isolation of floor vibrations. The support stiffness is realized by mechanical design and the floor vibration isolation performance is realized by means of feedback and adaptive feedforward control. This constitutes a novel approach to vibration isolation, which is not offered by manufacturers of vibration isolation systems.

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References

Order of frictions and stiffnesses…

For lumped systems consisting of different frictions and stiffnesses, there has been confusion in literature about hysteresis curves and virtual play for many decades.

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