Active Control of Vibration and Noise: Presented at 1994 International Mechanical Engineering Congress and Exposition, Chicago, Illinois, November 6-11, 1994K. W. Wang |
Contents
ACTIVE CONTROL OF ACOUSTICS | 1 |
Experimental Modeling of Acoustic Enclosures for Feedback Control Purposes | 25 |
Development of an Active Acoustic Sink AAS for Noise Control Applications | 43 |
Copyright | |
32 other sections not shown
Common terms and phrases
accelerometers acoustic Active Control Active Noise Control Active Vibration Control actuator algorithm aliasing amplitude applied axial beam blade boundary conditions boundary layer closed-loop coefficients components computed control law control system controllability and observability cylinder damping damping ratio displacement disturbance domain dynamic effect eigenvalues eigenvectors energy equation experimental feedback control filter flexible flow fluid force Frequency Hz gain heteroclinic cycles hydrofoil input linear loop magnetic bearing magnetostrictive magnitude mass matrix measured mechanical method modal mode shapes modes motion nonlinear obtained optimal oscillations output parameters passive payload phase piezoelectric piezothermoelastic plant plate predicted problem radiated ratio reduced resonance Reynolds number rotational rotor sample sensor shear shell shown in Figure signal simulation solution sound spectral stability streamwise structure technique Terfenol Terfenol-D trailing edge transfer function transverse turbulence Tzou unsteady values vector velocity vibration control vortex shedding vorticity wall pressure wavelet wavenumber zero