Active Vibration Systems |
Contents
Force Generating Systems | 37 |
Pneumatic Systems | 64 |
Active Elements and Adaptive Systems | 82 |
2 other sections not shown
Common terms and phrases
absorber mass active damper active devices active spring active systems adaptive system amplifier amplitude base Bonesho and Bollinger Chapter coils configuration control law Damper figure damping coefficient damping force damping ratio dimensionless displacement eliminate motion equal equation 18 equation 60 equation 77 equation of motion fictive temperature force generating system Fosin(wt frequency ratio given by equation glass transition temperature height-sensing valve integral feedback Lawther magnification factor main mass mass mounted mD²x minimize mounted mass mw² natural frequency Olson's P₁ passive devices passive spring passive system phase angle piezoelectric pneumatic spring pneumatic system quencies reduce resonance results in equation Rockwell and Lawther's sensor shown in figure shows the effect signal spring constant spring rate springs and dampers stiffness studied Substituting equation surge tank system parameters tion transfer function transmissibility asymptote transmitted force V₁ velocity vibration absorber vibration reduction viscoelastic w/wn x₁ yields equation