ATE151553T1 - Aktives akustisches dämpfungssystem mit gesamtmodellierung - Google Patents

Aktives akustisches dämpfungssystem mit gesamtmodellierung

Info

Publication number
ATE151553T1
ATE151553T1 AT91303944T AT91303944T ATE151553T1 AT E151553 T1 ATE151553 T1 AT E151553T1 AT 91303944 T AT91303944 T AT 91303944T AT 91303944 T AT91303944 T AT 91303944T AT E151553 T1 ATE151553 T1 AT E151553T1
Authority
AT
Austria
Prior art keywords
transducer
active acoustic
damping system
modeling
acoustic damping
Prior art date
Application number
AT91303944T
Other languages
English (en)
Inventor
Larry J Eriksson
Original Assignee
Nelson Ind Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nelson Ind Inc filed Critical Nelson Ind Inc
Application granted granted Critical
Publication of ATE151553T1 publication Critical patent/ATE151553T1/de

Links

Classifications

    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10KSOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K11/00Methods 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
    • G10K11/16Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/175Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound
    • G10K11/178Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound by electro-acoustically regenerating the original acoustic waves in anti-phase
    • G10K11/1781Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound by electro-acoustically regenerating the original acoustic waves in anti-phase characterised by the analysis of input or output signals, e.g. frequency range, modes, transfer functions
    • G10K11/17813Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound by electro-acoustically regenerating the original acoustic waves in anti-phase characterised by the analysis of input or output signals, e.g. frequency range, modes, transfer functions characterised by the analysis of the acoustic paths, e.g. estimating, calibrating or testing of transfer functions or cross-terms
    • G10K11/17815Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound by electro-acoustically regenerating the original acoustic waves in anti-phase characterised by the analysis of input or output signals, e.g. frequency range, modes, transfer functions characterised by the analysis of the acoustic paths, e.g. estimating, calibrating or testing of transfer functions or cross-terms between the reference signals and the error signals, i.e. primary path
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10KSOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K11/00Methods 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
    • G10K11/16Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/175Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound
    • G10K11/178Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound by electro-acoustically regenerating the original acoustic waves in anti-phase
    • G10K11/1781Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound by electro-acoustically regenerating the original acoustic waves in anti-phase characterised by the analysis of input or output signals, e.g. frequency range, modes, transfer functions
    • G10K11/17813Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound by electro-acoustically regenerating the original acoustic waves in anti-phase characterised by the analysis of input or output signals, e.g. frequency range, modes, transfer functions characterised by the analysis of the acoustic paths, e.g. estimating, calibrating or testing of transfer functions or cross-terms
    • G10K11/17817Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound by electro-acoustically regenerating the original acoustic waves in anti-phase characterised by the analysis of input or output signals, e.g. frequency range, modes, transfer functions characterised by the analysis of the acoustic paths, e.g. estimating, calibrating or testing of transfer functions or cross-terms between the output signals and the error signals, i.e. secondary path
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10KSOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K11/00Methods 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
    • G10K11/16Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/175Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound
    • G10K11/178Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound by electro-acoustically regenerating the original acoustic waves in anti-phase
    • G10K11/1781Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound by electro-acoustically regenerating the original acoustic waves in anti-phase characterised by the analysis of input or output signals, e.g. frequency range, modes, transfer functions
    • G10K11/17813Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound by electro-acoustically regenerating the original acoustic waves in anti-phase characterised by the analysis of input or output signals, e.g. frequency range, modes, transfer functions characterised by the analysis of the acoustic paths, e.g. estimating, calibrating or testing of transfer functions or cross-terms
    • G10K11/17819Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound by electro-acoustically regenerating the original acoustic waves in anti-phase characterised by the analysis of input or output signals, e.g. frequency range, modes, transfer functions characterised by the analysis of the acoustic paths, e.g. estimating, calibrating or testing of transfer functions or cross-terms between the output signals and the reference signals, e.g. to prevent howling
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10KSOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K11/00Methods 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
    • G10K11/16Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/175Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound
    • G10K11/178Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound by electro-acoustically regenerating the original acoustic waves in anti-phase
    • G10K11/1785Methods, e.g. algorithms; Devices
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10KSOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K11/00Methods 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
    • G10K11/16Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/175Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound
    • G10K11/178Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound by electro-acoustically regenerating the original acoustic waves in anti-phase
    • G10K11/1785Methods, e.g. algorithms; Devices
    • G10K11/17853Methods, e.g. algorithms; Devices of the filter
    • G10K11/17854Methods, e.g. algorithms; Devices of the filter the filter being an adaptive filter
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10KSOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K11/00Methods 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
    • G10K11/16Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/175Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound
    • G10K11/178Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound by electro-acoustically regenerating the original acoustic waves in anti-phase
    • G10K11/1787General system configurations
    • G10K11/17879General system configurations using both a reference signal and an error signal
    • G10K11/17881General system configurations using both a reference signal and an error signal the reference signal being an acoustic signal, e.g. recorded with a microphone
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10KSOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K2210/00Details of active noise control [ANC] covered by G10K11/178 but not provided for in any of its subgroups
    • G10K2210/10Applications
    • G10K2210/112Ducts
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10KSOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K2210/00Details of active noise control [ANC] covered by G10K11/178 but not provided for in any of its subgroups
    • G10K2210/30Means
    • G10K2210/301Computational
    • G10K2210/3017Copy, i.e. whereby an estimated transfer function in one functional block is copied to another block
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10KSOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K2210/00Details of active noise control [ANC] covered by G10K11/178 but not provided for in any of its subgroups
    • G10K2210/30Means
    • G10K2210/301Computational
    • G10K2210/3035Models, e.g. of the acoustic system
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10KSOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K2210/00Details of active noise control [ANC] covered by G10K11/178 but not provided for in any of its subgroups
    • G10K2210/30Means
    • G10K2210/301Computational
    • G10K2210/3045Multiple acoustic inputs, single acoustic output

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
  • Filters That Use Time-Delay Elements (AREA)
  • Prostheses (AREA)
  • Vibration Prevention Devices (AREA)
  • Circuit For Audible Band Transducer (AREA)
AT91303944T 1990-05-03 1991-05-01 Aktives akustisches dämpfungssystem mit gesamtmodellierung ATE151553T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/518,569 US4987598A (en) 1990-05-03 1990-05-03 Active acoustic attenuation system with overall modeling

Publications (1)

Publication Number Publication Date
ATE151553T1 true ATE151553T1 (de) 1997-04-15

Family

ID=24064515

Family Applications (1)

Application Number Title Priority Date Filing Date
AT91303944T ATE151553T1 (de) 1990-05-03 1991-05-01 Aktives akustisches dämpfungssystem mit gesamtmodellierung

Country Status (7)

Country Link
US (1) US4987598A (de)
EP (1) EP0455479B1 (de)
JP (1) JPH04226498A (de)
AT (1) ATE151553T1 (de)
AU (1) AU628778B2 (de)
CA (1) CA2041477C (de)
DE (1) DE69125521T2 (de)

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* Cited by examiner, † Cited by third party
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JPH0834647B2 (ja) * 1990-06-11 1996-03-29 松下電器産業株式会社 消音装置
EP0465174B1 (de) * 1990-06-29 1996-10-23 Kabushiki Kaisha Toshiba Adaptive aktive Lärmunterdrückungseinrichtung
US5396561A (en) * 1990-11-14 1995-03-07 Nelson Industries, Inc. Active acoustic attenuation and spectral shaping system
US5216721A (en) * 1991-04-25 1993-06-01 Nelson Industries, Inc. Multi-channel active acoustic attenuation system
US5283834A (en) * 1991-08-26 1994-02-01 Nelson Industries, Inc. Acoustic system suppressing detection of higher order modes
US5370340A (en) * 1991-11-04 1994-12-06 General Electric Company Active control of aircraft engine noise using vibrational inputs
US5216722A (en) * 1991-11-15 1993-06-01 Nelson Industries, Inc. Multi-channel active attenuation system with error signal inputs
US5206911A (en) * 1992-02-11 1993-04-27 Nelson Industries, Inc. Correlated active attenuation system with error and correction signal input
FI94564C (fi) * 1992-02-14 1995-09-25 Nokia Deutschland Gmbh Aktiivinen melunvaimennusjärjestelmä
DE69328851T2 (de) * 1992-07-07 2000-11-16 Sharp Kk Aktive Regelungsvorrichtung mit einem adaptiven Digitalfilter
US5278913A (en) * 1992-07-28 1994-01-11 Nelson Industries, Inc. Active acoustic attenuation system with power limiting
US5315661A (en) * 1992-08-12 1994-05-24 Noise Cancellation Technologies, Inc. Active high transmission loss panel
US5390255A (en) * 1992-09-29 1995-02-14 Nelson Industries, Inc. Active acoustic attenuation system with error and model copy input
US5386689A (en) * 1992-10-13 1995-02-07 Noises Off, Inc. Active gas turbine (jet) engine noise suppression
GB2271909B (en) * 1992-10-21 1996-05-22 Lotus Car Adaptive control system
GB2271908B (en) * 1992-10-21 1996-05-15 Lotus Car Adaptive control system
US5386477A (en) * 1993-02-11 1995-01-31 Digisonix, Inc. Active acoustic control system matching model reference
WO1994027525A1 (en) * 1993-05-21 1994-12-08 Noise Cancellation Technologies, Inc. Active ear defender
US5327496A (en) * 1993-06-30 1994-07-05 Iowa State University Research Foundation, Inc. Communication device, apparatus, and method utilizing pseudonoise signal for acoustical echo cancellation
US5519637A (en) * 1993-08-20 1996-05-21 Mcdonnell Douglas Corporation Wavenumber-adaptive control of sound radiation from structures using a `virtual` microphone array method
US5420932A (en) * 1993-08-23 1995-05-30 Digisonix, Inc. Active acoustic attenuation system that decouples wave modes propagating in a waveguide
WO1995008155A1 (en) * 1993-09-17 1995-03-23 Noise Cancellation Technologies, Inc. Causal modeling of predictable impulse noise
US5502770A (en) * 1993-11-29 1996-03-26 Caterpillar Inc. Indirectly sensed signal processing in active periodic acoustic noise cancellation
US5586189A (en) * 1993-12-14 1996-12-17 Digisonix, Inc. Active adaptive control system with spectral leak
US5660255A (en) * 1994-04-04 1997-08-26 Applied Power, Inc. Stiff actuator active vibration isolation system
CA2148962C (en) * 1994-05-23 2000-03-28 Douglas G. Pedersen Coherence optimized active adaptive control system
US5557682A (en) * 1994-07-12 1996-09-17 Digisonix Multi-filter-set active adaptive control system
US5621803A (en) * 1994-09-02 1997-04-15 Digisonix, Inc. Active attenuation system with on-line modeling of feedback path
US5602929A (en) * 1995-01-30 1997-02-11 Digisonix, Inc. Fast adapting control system and method
CA2226215A1 (en) * 1995-07-05 1997-01-23 Catherine Guigou Method and apparatus for active noise control of high order modes in ducts
WO1997007497A1 (en) * 1995-08-11 1997-02-27 Centre De Recherche Industrielle Du Quebec Apparatus and method for adaptively attenuating noise or vibration
US5715320A (en) * 1995-08-21 1998-02-03 Digisonix, Inc. Active adaptive selective control system
US5710822A (en) 1995-11-07 1998-01-20 Digisonix, Inc. Frequency selective active adaptive control system
JP3654980B2 (ja) * 1995-11-30 2005-06-02 富士通株式会社 能動騒音制御装置及び波形変換装置
JP3751359B2 (ja) * 1996-03-21 2006-03-01 本田技研工業株式会社 振動騒音制御装置
US5701350A (en) * 1996-06-03 1997-12-23 Digisonix, Inc. Active acoustic control in remote regions
US5832095A (en) * 1996-10-18 1998-11-03 Carrier Corporation Noise canceling system
US5968371A (en) * 1998-01-26 1999-10-19 Nelson Industries, Inc. Lubricant circulation diagnostic and modeling system
US6665410B1 (en) 1998-05-12 2003-12-16 John Warren Parkins Adaptive feedback controller with open-loop transfer function reference suited for applications such as active noise control
US20030040910A1 (en) * 1999-12-09 2003-02-27 Bruwer Frederick J. Speech distribution system
US20010036283A1 (en) * 2000-03-07 2001-11-01 Mark Donaldson Active noise reduction system
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US8302456B2 (en) * 2006-02-23 2012-11-06 Asylum Research Corporation Active damping of high speed scanning probe microscope components
US8068616B2 (en) * 2006-12-28 2011-11-29 Caterpillar Inc. Methods and systems for controlling noise cancellation
US8340318B2 (en) * 2006-12-28 2012-12-25 Caterpillar Inc. Methods and systems for measuring performance of a noise cancellation system
US7933420B2 (en) * 2006-12-28 2011-04-26 Caterpillar Inc. Methods and systems for determining the effectiveness of active noise cancellation
DE102007013719B4 (de) * 2007-03-19 2015-10-29 Sennheiser Electronic Gmbh & Co. Kg Hörer
EP2133866B1 (de) * 2008-06-13 2016-02-17 Harman Becker Automotive Systems GmbH Adaptives Geräuschdämpfungssystem
US8385559B2 (en) * 2009-12-30 2013-02-26 Robert Bosch Gmbh Adaptive digital noise canceller
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US4480333A (en) * 1981-04-15 1984-10-30 National Research Development Corporation Method and apparatus for active sound control
US4677677A (en) * 1985-09-19 1987-06-30 Nelson Industries Inc. Active sound attenuation system with on-line adaptive feedback cancellation
JPS62164400A (ja) * 1986-01-14 1987-07-21 Hitachi Plant Eng & Constr Co Ltd 電子消音システム
US4677676A (en) * 1986-02-11 1987-06-30 Nelson Industries, Inc. Active attenuation system with on-line modeling of speaker, error path and feedback pack
US4736431A (en) * 1986-10-23 1988-04-05 Nelson Industries, Inc. Active attenuation system with increased dynamic range
US4815139A (en) * 1988-03-16 1989-03-21 Nelson Industries, Inc. Active acoustic attenuation system for higher order mode non-uniform sound field in a duct
US4837834A (en) * 1988-05-04 1989-06-06 Nelson Industries, Inc. Active acoustic attenuation system with differential filtering

Also Published As

Publication number Publication date
DE69125521D1 (de) 1997-05-15
US4987598A (en) 1991-01-22
EP0455479A2 (de) 1991-11-06
EP0455479B1 (de) 1997-04-09
CA2041477C (en) 1996-09-03
JPH04226498A (ja) 1992-08-17
DE69125521T2 (de) 1997-10-23
AU7632391A (en) 1991-11-07
EP0455479A3 (en) 1992-09-02
CA2041477A1 (en) 1991-11-04
AU628778B2 (en) 1992-09-17

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