DE69513849T2 - Reduzierung der berechnungslast bei der adaptiven aktualisierung von steuerungsfiltern in aktiven systemen - Google Patents
Reduzierung der berechnungslast bei der adaptiven aktualisierung von steuerungsfiltern in aktiven systemenInfo
- Publication number
- DE69513849T2 DE69513849T2 DE69513849T DE69513849T DE69513849T2 DE 69513849 T2 DE69513849 T2 DE 69513849T2 DE 69513849 T DE69513849 T DE 69513849T DE 69513849 T DE69513849 T DE 69513849T DE 69513849 T2 DE69513849 T2 DE 69513849T2
- Authority
- DE
- Germany
- Prior art keywords
- reduction
- calculation load
- active systems
- control filters
- adaptive update
- 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
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H21/00—Adaptive networks
- H03H21/0012—Digital adaptive filters
-
- 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
- G10K11/17813—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 acoustic paths, e.g. estimating, calibrating or testing of transfer functions or cross-terms
- G10K11/17815—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 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
-
- 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
- G10K11/17813—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 acoustic paths, e.g. estimating, calibrating or testing of transfer functions or cross-terms
- G10K11/17817—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 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
-
- 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
- G10K11/1785—Methods, e.g. algorithms; Devices
- G10K11/17855—Methods, e.g. algorithms; Devices for improving speed or power requirements
-
- 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
-
- 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
- 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
- G10K2210/3011—Single acoustic input
-
- 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
- G10K2210/3017—Copy, i.e. whereby an estimated transfer function in one functional block is copied to another block
-
- 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
- G10K2210/3031—Hardware, e.g. architecture
-
- 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
- G10K2210/3042—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
- G10K2210/3049—Random noise used, e.g. in model identification
-
- 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
- G10K2210/3053—Speeding up computation or convergence, or decreasing the computational load
-
- 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
- G10K2210/3054—Stepsize variation
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Soundproofing, Sound Blocking, And Sound Damping (AREA)
- Feedback Control In General (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/334,467 US5745580A (en) | 1994-11-04 | 1994-11-04 | Reduction of computational burden of adaptively updating control filter(s) in active systems |
PCT/US1995/013453 WO1996014634A1 (en) | 1994-11-04 | 1995-10-19 | Reduction of computational burden of adaptively updating control filter(s) in active systems |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69513849D1 DE69513849D1 (de) | 2000-01-13 |
DE69513849T2 true DE69513849T2 (de) | 2000-06-29 |
Family
ID=23307341
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69513849T Expired - Fee Related DE69513849T2 (de) | 1994-11-04 | 1995-10-19 | Reduzierung der berechnungslast bei der adaptiven aktualisierung von steuerungsfiltern in aktiven systemen |
Country Status (4)
Country | Link |
---|---|
US (1) | US5745580A (de) |
EP (1) | EP0789900B1 (de) |
DE (1) | DE69513849T2 (de) |
WO (1) | WO1996014634A1 (de) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE69638347D1 (de) * | 1995-07-13 | 2011-05-12 | Applic Du Retournement Temporel Soc Pour | Verfahren und Anordnung zur Fokussierung akustischer Welle |
FR2739214B1 (fr) * | 1995-09-27 | 1997-12-19 | Technofirst | Procede et dispositif d'attenuation active hybride de vibrations, notamment de vibrations mecaniques, sonores ou analogues |
US5926405A (en) * | 1996-06-24 | 1999-07-20 | Lucent Technologies, Inc. | Multidimensional adaptive system |
US6418227B1 (en) * | 1996-12-17 | 2002-07-09 | Texas Instruments Incorporated | Active noise control system and method for on-line feedback path modeling |
WO1999053476A1 (fr) * | 1998-04-15 | 1999-10-21 | Fujitsu Limited | Dispositif antibruit actif |
AUPP782698A0 (en) * | 1998-12-21 | 1999-01-21 | University Of Western Australia, The | Noise reduction apparatus |
SE518116C2 (sv) * | 1999-11-30 | 2002-08-27 | A2 Acoustics Ab | Anordning för aktiv ljudkontroll i ett utrymme |
DE10153274A1 (de) | 2001-10-29 | 2003-05-08 | Emtec Magnetics Gmbh | Pigmenthaltiges mehrschichtiges Aufzeichnungsmaterial für den Tintenstrahldruck |
CA2424093A1 (en) * | 2003-03-31 | 2004-09-30 | Dspfactory Ltd. | Method and device for acoustic shock protection |
EP1793374A1 (de) * | 2005-12-02 | 2007-06-06 | Nederlandse Organisatie voor Toegepast-Natuuurwetenschappelijk Onderzoek TNO | Filtervorrichtung zur aktiven Geräuschverminderung |
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 |
US9374171B2 (en) | 2014-10-29 | 2016-06-21 | Alcatel Lucent | Reduction of effects of signal-signal beat interference in optical transport systems |
WO2017040921A1 (en) | 2015-09-04 | 2017-03-09 | Lord Corporation | Pump synchronization system and method |
US10318904B2 (en) | 2016-05-06 | 2019-06-11 | General Electric Company | Computing system to control the use of physical state attainment of assets to meet temporal performance criteria |
Family Cites Families (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1577322A (en) * | 1976-05-13 | 1980-10-22 | Bearcroft R | Active attenuation of recurring vibrations |
US4083433A (en) * | 1976-11-16 | 1978-04-11 | Westinghouse Electric Corporation | Active vibration damper with electrodynamic sensor and drive units |
US4122303A (en) * | 1976-12-10 | 1978-10-24 | Sound Attenuators Limited | Improvements in and relating to active sound attenuation |
US4232381A (en) * | 1979-06-08 | 1980-11-04 | Northrop Corporation | Noise cancellation using tracking filter |
JPH0740199B2 (ja) * | 1979-08-16 | 1995-05-01 | チャプリン パテンツ ホ−ルディング カンパニ− インコ−ポレ−テッド | 繰り返し振動の相殺の方法 |
US4473906A (en) * | 1980-12-05 | 1984-09-25 | Lord Corporation | Active acoustic attenuator |
US4562589A (en) * | 1982-12-15 | 1985-12-31 | Lord Corporation | Active attenuation of noise in a closed structure |
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 |
US5170433A (en) * | 1986-10-07 | 1992-12-08 | Adaptive Control Limited | Active vibration control |
US4878188A (en) * | 1988-08-30 | 1989-10-31 | Noise Cancellation Tech | Selective active cancellation system for repetitive phenomena |
US5133527A (en) * | 1989-08-10 | 1992-07-28 | Mechanical Technology Incorporated | Active mounts |
US5216721A (en) * | 1991-04-25 | 1993-06-01 | Nelson Industries, Inc. | Multi-channel active acoustic attenuation system |
US5174552A (en) * | 1991-10-15 | 1992-12-29 | Lord Corporation | Fluid mount with active vibration control |
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 |
JP2876874B2 (ja) * | 1992-03-04 | 1999-03-31 | 日産自動車株式会社 | 車両用能動型騒音制御装置 |
EP0560364B1 (de) * | 1992-03-12 | 1998-10-28 | Honda Giken Kogyo Kabushiki Kaisha | Schwingungs- und Geräuschregelungssystem für Kraftfahrzeuge |
FR2701784B1 (fr) * | 1993-02-18 | 1995-05-12 | Matra Sep Imagerie Inf | Procédé et dispositif d'amortissement actif de vibrations. |
-
1994
- 1994-11-04 US US08/334,467 patent/US5745580A/en not_active Expired - Fee Related
-
1995
- 1995-10-19 DE DE69513849T patent/DE69513849T2/de not_active Expired - Fee Related
- 1995-10-19 WO PCT/US1995/013453 patent/WO1996014634A1/en active IP Right Grant
- 1995-10-19 EP EP95939543A patent/EP0789900B1/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
US5745580A (en) | 1998-04-28 |
EP0789900B1 (de) | 1999-12-08 |
EP0789900A1 (de) | 1997-08-20 |
WO1996014634A1 (en) | 1996-05-17 |
DE69513849D1 (de) | 2000-01-13 |
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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 |