EP0774749A3 - Aktives Schallabsorptionssystem für ein Kraftfahrzeug - Google Patents
Aktives Schallabsorptionssystem für ein Kraftfahrzeug Download PDFInfo
- Publication number
- EP0774749A3 EP0774749A3 EP96116233A EP96116233A EP0774749A3 EP 0774749 A3 EP0774749 A3 EP 0774749A3 EP 96116233 A EP96116233 A EP 96116233A EP 96116233 A EP96116233 A EP 96116233A EP 0774749 A3 EP0774749 A3 EP 0774749A3
- Authority
- EP
- European Patent Office
- Prior art keywords
- gain
- controller
- sound pressure
- vehicle
- active 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.)
- Granted
Links
Classifications
-
- 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
- G10K11/17875—General system configurations using an error signal without a reference signal, e.g. pure 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
- 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
-
- 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
- G10K11/17833—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 by using a self-diagnostic function or a malfunction prevention function, e.g. detecting abnormal output levels
- G10K11/17835—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 by using a self-diagnostic function or a malfunction prevention function, e.g. detecting abnormal output levels using detection of abnormal input signals
-
- 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
- G10K2210/30—Means
- G10K2210/301—Computational
- G10K2210/3012—Algorithms
-
- 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
- G10K2210/3025—Determination of spectrum characteristics, e.g. FFT
-
- 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
- G10K2210/3028—Filtering, e.g. Kalman filters or special analogue or digital 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
- 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
- G10K2210/50—Miscellaneous
- G10K2210/503—Diagnostics; Stability; Alarms; Failsafe
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
- Circuit For Audible Band Transducer (AREA)
Abstract
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19543128A DE19543128A1 (de) | 1995-11-18 | 1995-11-18 | Aktives Schallabsorptionssystem für ein Kraftfahrzeug |
DE19543128 | 1995-11-18 |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0774749A2 EP0774749A2 (de) | 1997-05-21 |
EP0774749A3 true EP0774749A3 (de) | 1999-07-28 |
EP0774749B1 EP0774749B1 (de) | 2003-10-08 |
Family
ID=7777858
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP96116233A Expired - Lifetime EP0774749B1 (de) | 1995-11-18 | 1996-10-10 | Aktives Schallabsorptionssystem für ein Kraftfahrzeug |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP0774749B1 (de) |
DE (2) | DE19543128A1 (de) |
ES (1) | ES2207661T3 (de) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102006045627A1 (de) * | 2006-09-27 | 2008-04-03 | Robert Bosch Gmbh | Anordnung zur aktiven Geräuschkompensation für ein elektronisch gesteuertes Scheibenwischersystem eines Kraftfahrzeugs |
DE102008013846A1 (de) * | 2008-03-12 | 2009-09-17 | Claas Selbstfahrende Erntemaschinen Gmbh | Landwirtschaftliche Arbeitsmaschine mit geräuschgedämpfter Kabine |
DE102015219144A1 (de) * | 2015-10-02 | 2017-04-06 | Robert Bosch Gmbh | Verfahren zum Betreiben einer aktiven Gasleitungsanlage |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4236155A1 (de) * | 1992-10-20 | 1994-04-21 | Gsp Sprachtechnologie Ges Fuer | Verfahren und Anordnung zur aktiven Innengeräuschreduzierung bei Fahrzeugen |
DE4303921A1 (de) * | 1993-02-10 | 1994-08-11 | Bayerische Motoren Werke Ag | Verfahren zur Messung eines Differenzschalls durch Subtraktion eines über einen Lautsprecher gerade abgegebenen Schalls von einem Gesamtschall |
US5384853A (en) * | 1992-03-19 | 1995-01-24 | Nissan Motor Co., Ltd. | Active noise reduction apparatus |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3471370B2 (ja) * | 1991-07-05 | 2003-12-02 | 本田技研工業株式会社 | 能動振動制御装置 |
GB2265277B (en) * | 1992-03-17 | 1996-07-24 | Fuji Heavy Ind Ltd | Noise reduction system for automobile compartment |
-
1995
- 1995-11-18 DE DE19543128A patent/DE19543128A1/de not_active Withdrawn
-
1996
- 1996-10-10 EP EP96116233A patent/EP0774749B1/de not_active Expired - Lifetime
- 1996-10-10 DE DE59610759T patent/DE59610759D1/de not_active Expired - Fee Related
- 1996-10-10 ES ES96116233T patent/ES2207661T3/es not_active Expired - Lifetime
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5384853A (en) * | 1992-03-19 | 1995-01-24 | Nissan Motor Co., Ltd. | Active noise reduction apparatus |
DE4236155A1 (de) * | 1992-10-20 | 1994-04-21 | Gsp Sprachtechnologie Ges Fuer | Verfahren und Anordnung zur aktiven Innengeräuschreduzierung bei Fahrzeugen |
DE4303921A1 (de) * | 1993-02-10 | 1994-08-11 | Bayerische Motoren Werke Ag | Verfahren zur Messung eines Differenzschalls durch Subtraktion eines über einen Lautsprecher gerade abgegebenen Schalls von einem Gesamtschall |
Also Published As
Publication number | Publication date |
---|---|
DE19543128A1 (de) | 1997-05-22 |
DE59610759D1 (de) | 2003-11-13 |
EP0774749B1 (de) | 2003-10-08 |
ES2207661T3 (es) | 2004-06-01 |
EP0774749A2 (de) | 1997-05-21 |
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