DE69230681T2 - Automatisches Schallkontrollgerät - Google Patents
Automatisches SchallkontrollgerätInfo
- Publication number
- DE69230681T2 DE69230681T2 DE69230681T DE69230681T DE69230681T2 DE 69230681 T2 DE69230681 T2 DE 69230681T2 DE 69230681 T DE69230681 T DE 69230681T DE 69230681 T DE69230681 T DE 69230681T DE 69230681 T2 DE69230681 T2 DE 69230681T2
- Authority
- DE
- Germany
- Prior art keywords
- control device
- sound control
- automatic sound
- automatic
- sound
- 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
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
- G10K11/1781—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 characterised by the analysis of input or output signals, e.g. frequency range, modes, transfer functions
- G10K11/17821—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 characterised by the analysis of input or output signals, e.g. frequency range, modes, transfer functions characterised by the analysis of the input signals only
- G10K11/17823—Reference signals, e.g. ambient acoustic environment
-
- 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
- G10K11/1783—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 handling or detecting of non-standard events or conditions, e.g. changing operating modes under specific operating conditions
-
- 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
- G10K11/17883—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
-
- 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
-
- 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
- G10K2210/3026—Feedback
-
- 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
- G10K2210/3027—Feedforward
-
- 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
- G10K2210/3032—Harmonics or sub-harmonics
-
- 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
- G10K2210/3033—Information contained in memory, e.g. stored signals or transfer functions
-
- 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
- G10K2210/301—Computational
- G10K2210/3039—Nonlinear, e.g. clipping, numerical truncation, thresholding or variable input and output gain
- G10K2210/30391—Resetting of the filter parameters or changing the algorithm according to prevailing conditions
-
- 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
- G10K2210/3041—Offline
-
- 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
- G10K2210/3042—Parallel processing
-
- 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
- G10K2210/3045—Multiple acoustic inputs, single acoustic output
-
- 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
- G10K2210/501—Acceleration, e.g. for accelerometers
-
- 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
- G10K2210/503—Diagnostics; Stability; Alarms; Failsafe
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3191902A JP2935592B2 (ja) | 1991-07-31 | 1991-07-31 | 騒音制御装置 |
JP28641791A JP3506442B2 (ja) | 1991-10-31 | 1991-10-31 | 騒音制御装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69230681D1 DE69230681D1 (de) | 2000-03-23 |
DE69230681T2 true DE69230681T2 (de) | 2000-08-17 |
Family
ID=26506974
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69230681T Expired - Fee Related DE69230681T2 (de) | 1991-07-31 | 1992-07-23 | Automatisches Schallkontrollgerät |
Country Status (4)
Country | Link |
---|---|
US (2) | US5404409A (de) |
EP (1) | EP0526111B1 (de) |
CA (1) | CA2074295C (de) |
DE (1) | DE69230681T2 (de) |
Families Citing this family (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5404409A (en) * | 1991-07-31 | 1995-04-04 | Fujitsu Ten Limited | Adaptive filtering means for an automatic sound controlling apparatus |
JP2856625B2 (ja) * | 1993-03-17 | 1999-02-10 | 株式会社東芝 | 適応形能動消音装置 |
US5633795A (en) * | 1995-01-06 | 1997-05-27 | Digisonix, Inc. | Adaptive tonal control system with constrained output and adaptation |
US6078672A (en) * | 1997-05-06 | 2000-06-20 | Virginia Tech Intellectual Properties, Inc. | Adaptive personal active noise system |
US6094601A (en) * | 1997-10-01 | 2000-07-25 | Digisonix, Inc. | Adaptive control system with efficiently constrained adaptation |
JPH11118273A (ja) * | 1997-10-16 | 1999-04-30 | Fujitsu Ltd | 騒音低減機能付き音響冷却装置 |
US6949528B1 (en) * | 1998-03-18 | 2005-09-27 | Goddard John G | Compositions containing lysophosphatidic acids which inhibit apoptosis and uses thereof |
US6665337B1 (en) * | 1999-03-31 | 2003-12-16 | Intel Corporation | Activation method in data transceivers |
US20030079937A1 (en) * | 2001-10-30 | 2003-05-01 | Siemens Vdo Automotive, Inc. | Active noise cancellation using frequency response control |
US20030152216A1 (en) * | 2002-01-14 | 2003-08-14 | Manish Vaishya | Acoustic enhancement of frequencies with large amplitude variation in an active noise cancellation system |
EP1630788B1 (de) * | 2004-08-26 | 2012-04-18 | Airbus Operations GmbH | Vorrichtung und Verfahren zur Reduktion von Schall einer Rauschquelle in beschränkten Frequenzbereichen |
US20070125592A1 (en) * | 2005-12-07 | 2007-06-07 | Frank Michell | Excitation of air directing valves and air handling surfaces in the cancellation of air handling system noise |
DE102006059351A1 (de) * | 2006-12-15 | 2008-06-19 | Robert Bosch Gmbh | Verfahren zur Schallbeeinflussung |
DE102011009848A1 (de) | 2011-01-27 | 2012-08-02 | Iav Gmbh Ingenieurgesellschaft Auto Und Verkehr | Verfahren und Vorrichtung zur Bestimmung von Merkmalen einer Schallemission von Verbrennungsmotoren |
DE102014113940A1 (de) * | 2014-09-25 | 2016-03-31 | Eberspächer Exhaust Technology GmbH & Co. KG | Überlastungsschutz für einen Aktor eines Systems zur Beeinflussung von in einer Abgasanlage geführtem Schall |
EP3038102B1 (de) * | 2014-12-24 | 2019-07-24 | Magneti Marelli S.p.A. | Verfahren zur durchführung einer aktiven profilierung eines motoremissionsschalls und entsprechendes profilierungssystem |
US10020788B2 (en) | 2016-03-02 | 2018-07-10 | Bose Corporation | Vehicle engine sound management |
DE102017222750B4 (de) * | 2017-12-14 | 2022-10-13 | Audi Ag | Regel- oder Steuervorrichtung und Verfahren zur Verbesserung einer Geräuschqualität eines Klimatisierungssystems |
DE102018002821A1 (de) * | 2018-04-06 | 2020-03-12 | Linde Aktiengesellschaft | Verfahren zur Reduzierung der Schallemissionen auf Bodengefrierbaustellen |
Family Cites Families (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1577322A (en) * | 1976-05-13 | 1980-10-22 | Bearcroft R | Active attenuation of recurring vibrations |
US4122303A (en) * | 1976-12-10 | 1978-10-24 | Sound Attenuators Limited | Improvements in and relating to active sound attenuation |
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 |
US4677677A (en) * | 1985-09-19 | 1987-06-30 | Nelson Industries Inc. | Active sound attenuation system with on-line adaptive feedback cancellation |
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 |
WO1988002912A1 (en) * | 1986-10-07 | 1988-04-21 | Adaptive Control Limited | Active vibration control |
JPH0827634B2 (ja) * | 1987-06-15 | 1996-03-21 | 日立プラント建設株式会社 | 電子消音システム |
US5097923A (en) * | 1988-02-19 | 1992-03-24 | Noise Cancellation Technologies, Inc. | Active sound attenation system for engine exhaust systems and the like |
DE68916356T2 (de) * | 1988-09-30 | 1994-10-13 | Toshiba Kawasaki Kk | Lärmunterdrücker. |
AU5020490A (en) * | 1989-01-30 | 1990-08-24 | Vas-Cath Incorporated | Chorion biopsy catheter |
JPH087002B2 (ja) * | 1989-02-28 | 1996-01-29 | 株式会社東芝 | 冷却装置の消音装置 |
JPH0778680B2 (ja) * | 1989-07-24 | 1995-08-23 | 日産自動車株式会社 | 車室内騒音の低減装置 |
US5022082A (en) * | 1990-01-12 | 1991-06-04 | Nelson Industries, Inc. | Active acoustic attenuation system with reduced convergence time |
US5146505A (en) * | 1990-10-04 | 1992-09-08 | General Motors Corporation | Method for actively attenuating engine generated noise |
EP0598120B1 (de) * | 1991-05-30 | 1998-10-07 | Fujitsu Ten, Ltd. | Lärmüberwachungsgerät |
JP3506442B2 (ja) * | 1991-10-31 | 2004-03-15 | 富士通テン株式会社 | 騒音制御装置 |
US5404409A (en) * | 1991-07-31 | 1995-04-04 | Fujitsu Ten Limited | Adaptive filtering means for an automatic sound controlling apparatus |
-
1992
- 1992-07-20 US US07/915,136 patent/US5404409A/en not_active Expired - Lifetime
- 1992-07-21 CA CA002074295A patent/CA2074295C/en not_active Expired - Fee Related
- 1992-07-23 EP EP92306756A patent/EP0526111B1/de not_active Expired - Lifetime
- 1992-07-23 DE DE69230681T patent/DE69230681T2/de not_active Expired - Fee Related
-
1994
- 1994-09-21 US US08/309,638 patent/US5649016A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
US5404409A (en) | 1995-04-04 |
US5649016A (en) | 1997-07-15 |
EP0526111B1 (de) | 2000-02-16 |
EP0526111A3 (en) | 1994-06-08 |
DE69230681D1 (de) | 2000-03-23 |
EP0526111A2 (de) | 1993-02-03 |
CA2074295A1 (en) | 1993-02-01 |
CA2074295C (en) | 1997-05-20 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |