DE69626902T2 - Aktives adaptives selektives Steurungssystem - Google Patents

Aktives adaptives selektives Steurungssystem

Info

Publication number
DE69626902T2
DE69626902T2 DE69626902T DE69626902T DE69626902T2 DE 69626902 T2 DE69626902 T2 DE 69626902T2 DE 69626902 T DE69626902 T DE 69626902T DE 69626902 T DE69626902 T DE 69626902T DE 69626902 T2 DE69626902 T2 DE 69626902T2
Authority
DE
Germany
Prior art keywords
control system
selective control
active adaptive
adaptive selective
active
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Lifetime
Application number
DE69626902T
Other languages
English (en)
Other versions
DE69626902D1 (de
Inventor
Mark C Allie
Larry J Eriksson
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Digisonix Inc
Original Assignee
Digisonix 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 Digisonix Inc filed Critical Digisonix Inc
Application granted granted Critical
Publication of DE69626902D1 publication Critical patent/DE69626902D1/de
Publication of DE69626902T2 publication Critical patent/DE69626902T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • G10K11/1787General system configurations
    • G10K11/17879General system configurations using both a reference signal and an error signal
    • 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
    • G10K11/1783Methods 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 handling or detecting of non-standard events or conditions, e.g. changing operating modes under specific operating conditions
    • G10K11/17833Methods 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 handling or detecting of non-standard events or conditions, e.g. changing operating modes under specific operating conditions by using a self-diagnostic function or a malfunction prevention function, e.g. detecting abnormal output levels
    • 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
    • G10K2210/3012Algorithms
    • 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
    • G10K2210/3028Filtering, e.g. Kalman filters or special analogue or digital filters
    • 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
    • G10K2210/3029Fuzzy logic; Genetic algorithms
    • 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
    • G10K2210/3037Monitoring various blocks in the flow chart
    • 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
    • G10K2210/3049Random noise used, e.g. in model identification
DE69626902T 1995-08-21 1996-08-21 Aktives adaptives selektives Steurungssystem Expired - Lifetime DE69626902T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/517,464 US5715320A (en) 1995-08-21 1995-08-21 Active adaptive selective control system

Publications (2)

Publication Number Publication Date
DE69626902D1 DE69626902D1 (de) 2003-04-30
DE69626902T2 true DE69626902T2 (de) 2003-08-21

Family

ID=24059910

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69626902T Expired - Lifetime DE69626902T2 (de) 1995-08-21 1996-08-21 Aktives adaptives selektives Steurungssystem

Country Status (4)

Country Link
US (1) US5715320A (de)
EP (1) EP0759606B1 (de)
CA (1) CA2183669A1 (de)
DE (1) DE69626902T2 (de)

Families Citing this family (45)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6850252B1 (en) 1999-10-05 2005-02-01 Steven M. Hoffberg Intelligent electronic appliance system and method
US5978489A (en) * 1997-05-05 1999-11-02 Oregon Graduate Institute Of Science And Technology Multi-actuator system for active sound and vibration cancellation
IL121555A (en) 1997-08-14 2008-07-08 Silentium Ltd Active acoustic noise reduction system
US7853024B2 (en) 1997-08-14 2010-12-14 Silentium Ltd. Active noise control system and method
US6295364B1 (en) * 1998-03-30 2001-09-25 Digisonix, Llc Simplified communication system
US6094601A (en) * 1997-10-01 2000-07-25 Digisonix, Inc. Adaptive control system with efficiently constrained adaptation
DE69939796D1 (de) * 1998-07-16 2008-12-11 Matsushita Electric Ind Co Ltd Lärmkontrolleanordnung
WO2001043490A2 (en) * 1999-12-09 2001-06-14 Frederick Johannes Bruwer Speech distribution system
US8374875B2 (en) * 2000-01-31 2013-02-12 Intel Corporation Providing programming information in response to spoken requests
EP1143411A3 (de) * 2000-04-06 2004-11-03 Siemens VDO Automotive Inc. Stabilitätslösung für aktive Lärmdämpfung
US20010046300A1 (en) * 2000-04-17 2001-11-29 Mclean Ian R. Offline active control of automotive noise
SG106582A1 (en) * 2000-07-05 2004-10-29 Univ Nanyang Active noise control system with on-line secondary path modeling
US20020039422A1 (en) * 2000-09-20 2002-04-04 Daly Paul D. Driving mode for active noise cancellation
US6559645B2 (en) 2000-11-17 2003-05-06 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Detector apparatus and method
US20020076058A1 (en) * 2000-12-19 2002-06-20 Astorino John Frank Engine rotation reference signal for noise attenuation
US6549629B2 (en) 2001-02-21 2003-04-15 Digisonix Llc DVE system with normalized selection
US6665411B2 (en) 2001-02-21 2003-12-16 Digisonix Llc DVE system with instability detection
US6594368B2 (en) 2001-02-21 2003-07-15 Digisonix, Llc DVE system with dynamic range processing
EP2261760B1 (de) * 2001-04-20 2011-12-21 Honda Giken Kogyo Kabushiki Kaisha Anordnung zur Steuerung von Apparatur
WO2003015074A1 (en) * 2001-08-08 2003-02-20 Nanyang Technological University,Centre For Signal Processing. Active noise control system with on-line secondary path modeling
US20030112981A1 (en) * 2001-12-17 2003-06-19 Siemens Vdo Automotive, Inc. Active noise control with on-line-filtered C modeling
FR2845780A1 (fr) * 2002-10-11 2004-04-16 St Microelectronics Sa Procede de commande d'un systeme dynamique, utilisant un modele de logique floue d'au moins une fonction de transfert inverse de ce systeme
EP1414021B1 (de) * 2002-10-21 2008-05-14 Silentium Ltd. Aktivsystem zur Reduktion des akustischen Rauschens
EP1583075A1 (de) * 2004-03-31 2005-10-05 Nederlandse Organisatie voor toegepast-natuurwetenschappelijk Onderzoek TNO Vorrichtung zur aktiver Verminderung von Schall
ATE497133T1 (de) * 2004-11-09 2011-02-15 Truveon Corp Gebäudeklimatisierungssteuerungsverfahren und - system
US8073149B2 (en) * 2005-07-29 2011-12-06 Panasonic Corporation Loudspeaker device
US20070297619A1 (en) * 2006-06-26 2007-12-27 Bose Corporation*Ewc* Active noise reduction engine speed determining
US9020154B2 (en) * 2006-06-26 2015-04-28 Bose Corporation Multi-element electroacoustical transducing
US8194873B2 (en) 2006-06-26 2012-06-05 Davis Pan Active noise reduction adaptive filter leakage adjusting
US8855329B2 (en) 2007-01-22 2014-10-07 Silentium Ltd. Quiet fan incorporating active noise control (ANC)
US8204242B2 (en) * 2008-02-29 2012-06-19 Bose Corporation Active noise reduction adaptive filter leakage adjusting
US8355512B2 (en) * 2008-10-20 2013-01-15 Bose Corporation Active noise reduction adaptive filter leakage adjusting
US8306240B2 (en) * 2008-10-20 2012-11-06 Bose Corporation Active noise reduction adaptive filter adaptation rate adjusting
US9020158B2 (en) * 2008-11-20 2015-04-28 Harman International Industries, Incorporated Quiet zone control system
US8135140B2 (en) 2008-11-20 2012-03-13 Harman International Industries, Incorporated System for active noise control with audio signal compensation
US8718289B2 (en) * 2009-01-12 2014-05-06 Harman International Industries, Incorporated System for active noise control with parallel adaptive filter configuration
US8019090B1 (en) * 2009-02-12 2011-09-13 United States Of America As Represented By The Secretary Of The Navy Active feedforward disturbance control system
US8189799B2 (en) 2009-04-09 2012-05-29 Harman International Industries, Incorporated System for active noise control based on audio system output
US8199924B2 (en) * 2009-04-17 2012-06-12 Harman International Industries, Incorporated System for active noise control with an infinite impulse response filter
US8077873B2 (en) * 2009-05-14 2011-12-13 Harman International Industries, Incorporated System for active noise control with adaptive speaker selection
DE102009055889B4 (de) * 2009-11-26 2015-02-26 Austriamicrosystems Ag Signalverarbeitungsschaltung zur Erzeugung eines Lautsprechersignals und Signalverarbeitungsverfahren
US9928824B2 (en) 2011-05-11 2018-03-27 Silentium Ltd. Apparatus, system and method of controlling noise within a noise-controlled volume
WO2012153294A2 (en) 2011-05-11 2012-11-15 Silentium Ltd. Device, system and method of noise control
AU2013200451C1 (en) * 2011-11-03 2014-04-10 Minelab Electronics Pty Limited Method for separating target signals from unwanted signals in a metal detector
US10891935B2 (en) 2019-05-07 2021-01-12 Harman International Industries, Incorporated In-vehicle noise cancellation adaptive filter divergence control

Family Cites Families (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4791390A (en) * 1982-07-01 1988-12-13 Sperry Corporation MSE variable step adaptive filter
US4677677A (en) * 1985-09-19 1987-06-30 Nelson Industries Inc. Active sound attenuation system with on-line adaptive feedback cancellation
US4689821A (en) * 1985-09-23 1987-08-25 Lockheed Corporation Active noise control system
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
US4837834A (en) * 1988-05-04 1989-06-06 Nelson Industries, Inc. Active acoustic attenuation system with differential filtering
JP2598483B2 (ja) * 1988-09-05 1997-04-09 日立プラント建設株式会社 電子消音システム
US5033082A (en) * 1989-07-31 1991-07-16 Nelson Industries, Inc. Communication system with active noise cancellation
US4987598A (en) * 1990-05-03 1991-01-22 Nelson Industries Active acoustic attenuation system with overall modeling
US5386472A (en) * 1990-08-10 1995-01-31 General Motors Corporation Active noise control system
US5117401A (en) * 1990-08-16 1992-05-26 Hughes Aircraft Company Active adaptive noise canceller without training mode
US5146505A (en) * 1990-10-04 1992-09-08 General Motors Corporation Method for actively attenuating engine generated noise
US5172416A (en) * 1990-11-14 1992-12-15 Nelson Industries, Inc. Active attenuation system with specified output acoustic wave
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
EP0517525A3 (en) * 1991-06-06 1993-12-08 Matsushita Electric Ind Co Ltd Noise suppressor
JP3089082B2 (ja) * 1991-07-10 2000-09-18 シャープ株式会社 適応型ディジタルフィルタ
US5216722A (en) * 1991-11-15 1993-06-01 Nelson Industries, Inc. Multi-channel active attenuation system with error signal inputs
GB9201761D0 (en) * 1992-01-28 1992-03-11 Active Noise & Vibration Tech Active cancellation
US5206911A (en) * 1992-02-11 1993-04-27 Nelson Industries, Inc. Correlated active attenuation system with error and correction signal input
US5216692A (en) * 1992-03-31 1993-06-01 Motorola, Inc. Method and apparatus for adjusting a power control threshold in a communication system
US5337366A (en) * 1992-07-07 1994-08-09 Sharp Kabushiki Kaisha Active control apparatus using adaptive digital filter
US5278913A (en) * 1992-07-28 1994-01-11 Nelson Industries, Inc. Active acoustic attenuation system with power limiting
US5390255A (en) * 1992-09-29 1995-02-14 Nelson Industries, Inc. Active acoustic attenuation system with error and model copy input
US5386477A (en) * 1993-02-11 1995-01-31 Digisonix, Inc. Active acoustic control system matching model reference
US5586189A (en) * 1993-12-14 1996-12-17 Digisonix, Inc. Active adaptive control system with spectral leak

Also Published As

Publication number Publication date
CA2183669A1 (en) 1997-02-22
EP0759606A2 (de) 1997-02-26
US5715320A (en) 1998-02-03
DE69626902D1 (de) 2003-04-30
EP0759606B1 (de) 2003-03-26
EP0759606A3 (de) 1998-12-30

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Representative=s name: BONGEN, RENAUD & PARTNER, 70173 STUTTGART