DE69120340T2 - Gerät für Rauschkompensation - Google Patents

Gerät für Rauschkompensation

Info

Publication number
DE69120340T2
DE69120340T2 DE69120340T DE69120340T DE69120340T2 DE 69120340 T2 DE69120340 T2 DE 69120340T2 DE 69120340 T DE69120340 T DE 69120340T DE 69120340 T DE69120340 T DE 69120340T DE 69120340 T2 DE69120340 T2 DE 69120340T2
Authority
DE
Germany
Prior art keywords
compensation device
noise compensation
noise
compensation
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 - Fee Related
Application number
DE69120340T
Other languages
English (en)
Other versions
DE69120340D1 (de
Inventor
Earl R Geddes
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.)
Ford Werke GmbH
Original Assignee
Ford Werke GmbH
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 Ford Werke GmbH filed Critical Ford Werke GmbH
Application granted granted Critical
Publication of DE69120340D1 publication Critical patent/DE69120340D1/de
Publication of DE69120340T2 publication Critical patent/DE69120340T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N1/00—Silencing apparatus characterised by method of silencing
    • F01N1/06—Silencing apparatus characterised by method of silencing by using interference effect
    • F01N1/065—Silencing apparatus characterised by method of silencing by using interference effect by using an active noise source, e.g. speakers
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; 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 for damping, noise or other acoustic waves in general
    • G10K11/175—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound
    • G10K11/178—Methods 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
    • G10K11/1785—Methods, e.g. algorithms; Devices
    • G10K11/17853—Methods, e.g. algorithms; Devices of the filter
    • G10K11/17854—Methods, e.g. algorithms; Devices of the filter the filter being an adaptive filter
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; 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 for damping, noise or other acoustic waves in general
    • G10K11/175—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound
    • G10K11/178—Methods 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
    • G10K11/1787—General system configurations
    • G10K11/17879—General system configurations using both a reference signal and an error signal
    • G10K11/17881—General system configurations using both a reference signal and an error signal the reference signal being an acoustic signal, e.g. recorded with a microphone
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; 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 for damping, noise or other acoustic waves in general
    • G10K11/175—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound
    • G10K11/178—Methods 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
    • G10K11/1787—General system configurations
    • G10K11/17879—General system configurations using both a reference signal and an error signal
    • G10K11/17883—General system configurations using both a reference signal and an error signal the reference signal being derived from a machine operating condition, e.g. engine RPM or vehicle speed
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; 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
    • G10K2210/12822—Exhaust pipes or mufflers
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; 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
    • G10K2210/3039—Nonlinear, e.g. clipping, numerical truncation, thresholding or variable input and output gain
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; 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
    • G10K2210/32121—Fluid amplifiers, e.g. modulated gas flow speaker using electrovalves
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; 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
    • G10K2210/50—Miscellaneous
    • G10K2210/509—Hybrid, i.e. combining different technologies, e.g. passive and active
DE69120340T 1990-04-25 1991-04-16 Gerät für Rauschkompensation Expired - Fee Related DE69120340T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/514,386 US5063598A (en) 1990-04-25 1990-04-25 Active noise control system with two stage conditioning

Publications (2)

Publication Number Publication Date
DE69120340D1 DE69120340D1 (de) 1996-07-25
DE69120340T2 true DE69120340T2 (de) 1996-10-31

Family

ID=24046923

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69120340T Expired - Fee Related DE69120340T2 (de) 1990-04-25 1991-04-16 Gerät für Rauschkompensation

Country Status (4)

Country Link
US (1) US5063598A (de)
EP (1) EP0454342B1 (de)
CA (1) CA2038439A1 (de)
DE (1) DE69120340T2 (de)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5359662A (en) * 1992-04-29 1994-10-25 General Motors Corporation Active noise control system
US5222148A (en) * 1992-04-29 1993-06-22 General Motors Corporation Active noise control system for attenuating engine generated noise
US5321759A (en) * 1992-04-29 1994-06-14 General Motors Corporation Active noise control system for attenuating engine generated noise
US5313407A (en) * 1992-06-03 1994-05-17 Ford Motor Company Integrated active vibration cancellation and machine diagnostic system
US5336856A (en) * 1992-07-07 1994-08-09 Arvin Industries, Inc. Electronic muffler assembly with exhaust bypass
JPH06149268A (ja) * 1992-11-02 1994-05-27 Fuji Heavy Ind Ltd 車室内騒音低減装置
WO1994022403A1 (en) * 1993-03-24 1994-10-13 Noise Cancellation Technologies, Inc. Non-integral active muffler
US5446249A (en) * 1993-07-13 1995-08-29 Digisonix, Inc. Dry acoustic system preventing condensation
JP3099217B2 (ja) * 1994-04-28 2000-10-16 株式会社ユニシアジェックス 自動車用アクティブ騒音制御装置
US5693918A (en) * 1994-09-06 1997-12-02 Digisonix, Inc. Active exhaust silencer
US5541373A (en) * 1994-09-06 1996-07-30 Digisonix, Inc. Active exhaust silencer
FR2729781B1 (fr) * 1995-01-23 1997-04-18 Bertin & Cie Dispositif de controle actif du bruit
US5848168A (en) * 1996-11-04 1998-12-08 Tenneco Automotive Inc. Active noise conditioning system
DE19749587C1 (de) * 1997-11-10 1999-06-24 Daimler Benz Ag Verfahren und Vorrichtung zur Beeinflussung eines von einem Insassen eines Fahrzeuges, insbesondere eines PKW's, subjektiv wahrgenommenen Eindrucks beim Betreiben des Kraftfahrzeugs
DE19749588C2 (de) * 1997-11-10 2000-06-21 Daimler Chrysler Ag Verfahren und Vorrichtung zur Simulation eines von einem Insassen eines Fahrzeuges, insbesondere eines PKWs, subjektiv wahrgenommenen Eindrucks beim Betreiben des Fahrzeugs
DE19949685A1 (de) * 1999-10-15 2001-04-19 Mann & Hummel Filter Verfahren und Vorrichtung zur aktiven Beeinflussung des Ansauggeräusches einer Brennkraftmaschine
KR20010065212A (ko) * 1999-12-29 2001-07-11 이계안 차량 엔진용 밸브 트레인의 흡·배기 밸브와 밸브씨트 간의 접촉성을 감지하기 위한 음파 검사기
DE102009032553A1 (de) * 2009-07-10 2011-01-20 J. Eberspächer GmbH & Co. KG Abgasanlage und zugehörige Verbindungsanordnung für einen Aktuator
US8543245B2 (en) * 2009-11-20 2013-09-24 Halliburton Energy Services, Inc. Systems and methods for specifying an operational parameter for a pumping system
US9286882B1 (en) 2012-03-07 2016-03-15 Great Lakes Sound & Vibration, Inc. Systems and methods for active exhaust noise cancellation

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1577322A (en) * 1976-05-13 1980-10-22 Bearcroft R Active attenuation of recurring vibrations
US4473906A (en) * 1980-12-05 1984-09-25 Lord Corporation Active acoustic attenuator
US4480333A (en) * 1981-04-15 1984-10-30 National Research Development Corporation Method and apparatus for active sound control
JPS599699A (ja) * 1982-07-07 1984-01-19 日産自動車株式会社 自動車の車室内音場制御装置
JPS5985414A (ja) * 1982-11-05 1984-05-17 Nissan Motor Co Ltd 自動車用内燃機関の排気消音装置
GB2160742B (en) * 1984-06-21 1988-02-03 Nat Res Dev Damping for directional sound cancellation
US4677677A (en) * 1985-09-19 1987-06-30 Nelson Industries Inc. Active sound attenuation system with on-line adaptive feedback cancellation
JPS6280301A (ja) * 1985-10-03 1987-04-13 Yamatake Honeywell Co Ltd 電気−空気圧変換器
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
GB8603678D0 (en) * 1986-02-14 1986-03-19 Gen Electric Co Plc Active noise control
GB8610744D0 (en) * 1986-05-01 1986-06-04 Plessey Co Plc Adaptive disturbance suppression
JPS6329030A (ja) * 1986-07-22 1988-02-06 Isuzu Motors Ltd デイ−ゼル機関の吸気制御装置
US4736431A (en) * 1986-10-23 1988-04-05 Nelson Industries, Inc. Active attenuation system with increased dynamic range
US4805733A (en) * 1987-07-07 1989-02-21 Nippondenso Co., Ltd. Active silencer
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
US4878188A (en) * 1988-08-30 1989-10-31 Noise Cancellation Tech Selective active cancellation system for repetitive phenomena

Also Published As

Publication number Publication date
EP0454342A3 (en) 1992-08-05
EP0454342B1 (de) 1996-06-19
CA2038439A1 (en) 1991-10-26
EP0454342A2 (de) 1991-10-30
US5063598A (en) 1991-11-05
DE69120340D1 (de) 1996-07-25

Similar Documents

Publication Publication Date Title
DE69112259D1 (de) Gerät für Rauschkompensation.
DE69120340T2 (de) Gerät für Rauschkompensation
DE69118014D1 (de) Rauschverminderungsanordnungen
DE69130452T2 (de) Rauschunterdrückungssystem
DE69125812D1 (de) Hülle für kanüle
IT9019537A0 (it) Agenti scivolanti
DE69119980D1 (de) Polysilethylensiloxan
DE69122559D1 (de) Polysilethylensiloxan
MX9101262A (es) Aparato de montaje convertible
ATA192891A (de) Halterungsbeschlag für schubladen-ausziehführungen
DE69122265T2 (de) Signalgeber
PT8740T (pt) Dispositivo de fixacao
DE69131566T2 (de) Gerät für unscharfe Folgerung
DE69124803D1 (de) Achszapfer
AT399446B (de) Montagebeschlag für schubladen
ATA69491A (de) Halterungsbeschlag für schubladen-ausziehführungen
DE69124087D1 (de) Rauschverminderungsgerät
KR920008978U (ko) 병상
ATA106790A (de) Montageschiene
DE69029380T2 (de) Lärmbeseitigungsschaltung
DE9117061U1 (de) Auftragsvorrichtung für Klebstoff
ATA16390A (de) Montageeinrichtung
KR920012454U (ko) 베어링 장착장치
DE69113599D1 (de) Toleranzausgleichvorrichtung.
ATA235790A (de) Zwischenträgerstück

Legal Events

Date Code Title Description
8320 Willingness to grant licences declared (paragraph 23)
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee