Abstract
An alternative approach to the control of enclosed sound fields subjected to impulsive or broadband disturbances is presented based upon direct rate-feedback control. Results from this preliminary study suggest that if a pressure transducer is collocated with a volumetric source in an enclosed sound field and rate-feedback control is employed, then the global properties of the sound field can be modified, specifically the modal damping ratio of the acoustic modes. Guaranteed asymptotic stability of the control approach was demonstrated for positive feedback gains, making it model insensitive and thus ideal for actively tuning the transient characteristics (i.e., the reverberation time) of the enclosure. Significant levels of global reduction in the acoustic potential energy can be achieved with the proposed control approach for stationary random disturbances or impulsive disturbances.
Sign-in/Register to access full text options 
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callDisclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
