Nothing Special   »   [go: up one dir, main page]

Halkyard et al., 2005 - Google Patents

Adaptive active control of flexural waves in a beam in the presence of a nearfield

Halkyard et al., 2005

Document ID
1730868896733088924
Author
Halkyard C
Mace B
Publication year
Publication venue
Journal of Sound and Vibration

External Links

Snippet

This paper describes a wave-based, adaptive, feedforward system for the control of flexural waves in a beam when a significant nearfield wave is present. Many potential applications for active vibration control require a physically compact control system, in which the error …
Continue reading at www.sciencedirect.com (other versions)

Classifications

    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/16—Methods or devices for protecting against, or damping of, acoustic waves, e.g. sound
    • G10K11/175—Methods or devices for protecting against, or damping of, acoustic waves, e.g. sound using interference effects; Masking sound
    • G10K11/178—Methods or devices for protecting against, or damping of, acoustic waves, e.g. sound using interference effects; Masking sound by electro-acoustically regenerating the original acoustic waves in anti-phase
    • G10K11/1784—Methods or devices for protecting against, or damping of, acoustic waves, e.g. sound using interference effects; Masking sound by electro-acoustically regenerating the original acoustic waves in anti-phase using multiple inputs; single output
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K2210/00—Details of active noise control [ANC] covered by G10K11/178 but not provided for in any of its subgroups
    • G10K2210/30—Means
    • G10K2210/301—Computational
    • G10K2210/3055—Transfer function of the acoustic system
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/16—Methods or devices for protecting against, or damping of, acoustic waves, e.g. sound
    • G10K11/175—Methods or devices for protecting against, or damping of, acoustic waves, e.g. sound using interference effects; Masking sound
    • G10K11/178—Methods or devices for protecting against, or damping of, acoustic waves, e.g. sound using interference effects; Masking sound by electro-acoustically regenerating the original acoustic waves in anti-phase
    • G10K11/1782—Methods or devices for protecting against, or damping of, acoustic waves, e.g. sound using interference effects; Masking sound by electro-acoustically regenerating the original acoustic waves in anti-phase using single input
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K2210/00—Details of active noise control [ANC] covered by G10K11/178 but not provided for in any of its subgroups
    • G10K2210/10—Applications
    • G10K2210/128—Vehicles
    • G10K2210/1282—Automobiles
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K2210/00—Details of active noise control [ANC] covered by G10K11/178 but not provided for in any of its subgroups
    • G10K2210/10—Applications
    • G10K2210/105—Appliances, e.g. washing machines or dishwashers
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K2210/00—Details of active noise control [ANC] covered by G10K11/178 but not provided for in any of its subgroups
    • G10K2210/30—Means
    • G10K2210/321—Physical
    • G10K2210/3212—Actuator details, e.g. composition or microstructure
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K2210/00—Details of active noise control [ANC] covered by G10K11/178 but not provided for in any of its subgroups
    • G10K2210/30—Means
    • G10K2210/301—Computational
    • G10K2210/3023—Estimation of noise, e.g. on error signals
    • G10K2210/30232—Transfer functions, e.g. impulse response
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K2210/00—Details of active noise control [ANC] covered by G10K11/178 but not provided for in any of its subgroups
    • G10K2210/10—Applications
    • G10K2210/107—Combustion, e.g. burner noise control of jet engines
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K2210/00—Details of active noise control [ANC] covered by G10K11/178 but not provided for in any of its subgroups
    • G10K2210/10—Applications
    • G10K2210/108—Communication systems, e.g. where useful sound is kept and noise is cancelled
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K15/00—Acoustics not otherwise provided for

Similar Documents

Publication Publication Date Title
Shi et al. An active noise control casing using the multi-channel feedforward control system and the relative path based virtual sensing method
Zhou et al. Analysis and DSP implementation of an ANC system using a filtered-error neural network
Halkyard et al. Adaptive active control of flexural waves in a beam in the presence of a nearfield
JPH0643886A (en) Noise control system
Sun et al. Convergence analysis of FxLMS-based active noise control for repetitive impulses
Wang et al. Active control for vehicle interior noise based on DWT-FxLMS algorithm using a piezoelectric feedback system
Halkyard et al. Feedforward adaptive control of flexural vibration in a beam using wave amplitudes
Betgen et al. A new hybrid active/passive sound absorber with variable surface impedance
Landaluze et al. Application of active noise control to an elevator cabin
Mosquera-Sánchez et al. A multichannel amplitude and relative-phase controller for active sound quality control
Mei et al. Hybrid wave/mode active vibration control
Snyder et al. Design considerations for active noise control systems implementing the multiple input, multiple output LMS algorithm
Akhtar et al. Online secondary path modeling in multichannel active noise control systems using variable step size
Hu et al. Feedforward active noise controller design in ducts without independent noise source measurements
Sun et al. A new feedforward and feedback hybrid active noise control system for excavator interior noise
JP5336690B2 (en) Energy density control system using two-dimensional energy density sensor
Rustighi et al. An adaptive anechoic termination for active vibration control
Maillard et al. Advanced time domain wave‐number sensing for structural acoustic systems. Part III. Experiments on active broadband radiation control of a simply supported plate
Masson et al. Active structural acoustic control using strain sensing
Kim et al. Enhancement of noise reduction efficiency based on compensation in the ANC headset using fixed-point DSP
Tavakolpour-Saleh et al. A fuzzy robust control scheme for vibration suppression of a nonlinear electromagnetic-actuated flexible system
Romeu et al. Active noise control in ducts in presence of standing waves. Its influence on feedback effect
Mace et al. Real-time measurement of wave components and intensity in a beam in the presence of a near field
Chen et al. Simulations and experiments for hybrid noise control systems
JPH0827634B2 (en) Electronic silencing system