JPH05508233A - 能動的振動低減システム - Google Patents
能動的振動低減システムInfo
- Publication number
- JPH05508233A JPH05508233A JP91502109A JP50210991A JPH05508233A JP H05508233 A JPH05508233 A JP H05508233A JP 91502109 A JP91502109 A JP 91502109A JP 50210991 A JP50210991 A JP 50210991A JP H05508233 A JPH05508233 A JP H05508233A
- Authority
- JP
- Japan
- Prior art keywords
- output
- input
- vibration
- signal
- coefficients
- 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.)
- Pending
Links
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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
- G10K11/17879—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
- 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
- G10K11/1785—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
- G10K2210/00—Details of active noise control [ANC] covered by G10K11/178 but not provided for in any of its subgroups
- G10K2210/10—Applications
- G10K2210/121—Rotating machines, e.g. engines, turbines, motors; Periodic or quasi-periodic signals in general
-
- 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
- G10K2210/125—Transformers
-
- 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
- G10K2210/1281—Aircraft, e.g. spacecraft, airplane or helicopter
-
- 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
- G10K2210/10—Applications
- G10K2210/129—Vibration, e.g. instead of, or in addition to, acoustic noise
-
- 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
- G10K2210/3019—Cross-terms between multiple in's and out's
-
- 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
- G10K2210/50—Miscellaneous
- G10K2210/511—Narrow band, e.g. implementations for single frequency cancellation
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Vibration Prevention Devices (AREA)
- Soundproofing, Sound Blocking, And Sound Damping (AREA)
- Vehicle Body Suspensions (AREA)
- Cyclones (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB898929358A GB8929358D0 (en) | 1989-12-30 | 1989-12-30 | Active vibration reducing system |
| GB8929358.3 | 1989-12-30 | ||
| PCT/GB1990/002021 WO1991010226A1 (en) | 1989-12-30 | 1990-12-24 | Active vibration reducing system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH05508233A true JPH05508233A (ja) | 1993-11-18 |
Family
ID=10668596
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP91502109A Pending JPH05508233A (ja) | 1989-12-30 | 1990-12-24 | 能動的振動低減システム |
Country Status (7)
| Country | Link |
|---|---|
| EP (1) | EP0507829B1 (de) |
| JP (1) | JPH05508233A (de) |
| AT (1) | ATE144854T1 (de) |
| DE (1) | DE69029044T2 (de) |
| ES (1) | ES2095311T3 (de) |
| GB (1) | GB8929358D0 (de) |
| WO (1) | WO1991010226A1 (de) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB9116433D0 (en) * | 1991-07-30 | 1991-09-11 | Active Noise & Vibration Tech | Noise reduction system |
| US5361303A (en) * | 1993-04-01 | 1994-11-01 | Noise Cancellation Technologies, Inc. | Frequency domain adaptive control system |
| GB9414484D0 (en) * | 1994-07-18 | 1994-09-21 | Marconi Gec Ltd | An apparatus for cancelling vibrations |
| BR9813136A (pt) * | 1997-10-24 | 2000-08-15 | Lord Corp | Sistema de controle e método para aparelho ressonante, tais como absorvedores de vibração sintonizáveis adaptáveis |
| JP2010152240A (ja) * | 2008-12-26 | 2010-07-08 | Panasonic Corp | 騒音制御装置 |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1577322A (en) * | 1976-05-13 | 1980-10-22 | Bearcroft R | Active attenuation of recurring vibrations |
| WO1983001525A1 (en) * | 1981-10-21 | 1983-04-28 | Chaplin, George, Brian, Barrie | Improved method and apparatus for cancelling vibrations |
| GB2107960B (en) * | 1981-10-21 | 1985-09-18 | George Brian Barrie Chaplin | Method and apparatus for cancelling vibrations |
| GB8328997D0 (en) * | 1983-10-31 | 1983-11-30 | Secr Defence | Active noise reduction |
| US4689821A (en) * | 1985-09-23 | 1987-08-25 | Lockheed Corporation | Active noise control system |
| GB8610744D0 (en) * | 1986-05-01 | 1986-06-04 | Plessey Co Plc | Adaptive disturbance suppression |
-
1989
- 1989-12-30 GB GB898929358A patent/GB8929358D0/en active Pending
-
1990
- 1990-12-24 DE DE69029044T patent/DE69029044T2/de not_active Expired - Fee Related
- 1990-12-24 AT AT91901848T patent/ATE144854T1/de not_active IP Right Cessation
- 1990-12-24 ES ES91901848T patent/ES2095311T3/es not_active Expired - Lifetime
- 1990-12-24 WO PCT/GB1990/002021 patent/WO1991010226A1/en not_active Ceased
- 1990-12-24 JP JP91502109A patent/JPH05508233A/ja active Pending
- 1990-12-24 EP EP91901848A patent/EP0507829B1/de not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| GB8929358D0 (en) | 1990-02-28 |
| EP0507829B1 (de) | 1996-10-30 |
| ES2095311T3 (es) | 1997-02-16 |
| ATE144854T1 (de) | 1996-11-15 |
| WO1991010226A1 (en) | 1991-07-11 |
| EP0507829A1 (de) | 1992-10-14 |
| DE69029044T2 (de) | 1997-04-30 |
| DE69029044D1 (de) | 1996-12-05 |
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