WO1995026521A1 - Time domain adaptive control system - Google Patents
Time domain adaptive control system Download PDFInfo
- Publication number
- WO1995026521A1 WO1995026521A1 PCT/GB1995/000666 GB9500666W WO9526521A1 WO 1995026521 A1 WO1995026521 A1 WO 1995026521A1 GB 9500666 W GB9500666 W GB 9500666W WO 9526521 A1 WO9526521 A1 WO 9526521A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- filter means
- output signal
- plant
- filter
- adaptive
- Prior art date
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
- G10K11/1781—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
- G10K11/1787—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
- 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
- G10K2210/3018—Correlators, e.g. convolvers or coherence calculators
-
- 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
- G10K2210/3035—Models, e.g. of the acoustic system
-
- 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
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)
Abstract
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP52503595A JP3646809B2 (en) | 1994-03-25 | 1995-03-24 | Time domain adaptive control system |
EP95912352A EP0752124A1 (en) | 1994-03-25 | 1995-03-24 | Time domain adaptive control system |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB9405953.2 | 1994-03-25 | ||
GB9405953A GB2287851A (en) | 1994-03-25 | 1994-03-25 | Time domain adaptive control system for active noise cancellation |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1995026521A1 true WO1995026521A1 (en) | 1995-10-05 |
Family
ID=10752507
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/GB1995/000666 WO1995026521A1 (en) | 1994-03-25 | 1995-03-24 | Time domain adaptive control system |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP0752124A1 (en) |
JP (1) | JP3646809B2 (en) |
GB (1) | GB2287851A (en) |
WO (1) | WO1995026521A1 (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19632230A1 (en) * | 1996-08-09 | 1998-02-12 | Mueller Bbm Gmbh | Adaptive noise and vibration control system for motor vehicle interior |
US9020158B2 (en) | 2008-11-20 | 2015-04-28 | Harman International Industries, Incorporated | Quiet zone control system |
CN109541938A (en) * | 2017-09-22 | 2019-03-29 | 中国科学院理化技术研究所 | A kind of double sound source driving thermoacoustic system of adaptive active feedforward control |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2308898B (en) * | 1996-01-02 | 1999-06-23 | Wolfgang Johannes Hube Klippel | Adaptive nonlinear controller for an electromechanic or an electroacoustic system |
US5926405A (en) * | 1996-06-24 | 1999-07-20 | Lucent Technologies, Inc. | Multidimensional adaptive system |
US7450725B2 (en) * | 2001-12-17 | 2008-11-11 | Mahle International Gmbh | Digital filter modeling for active noise cancellation |
US20030112981A1 (en) * | 2001-12-17 | 2003-06-19 | Siemens Vdo Automotive, Inc. | Active noise control with on-line-filtered C modeling |
US8320581B2 (en) | 2010-03-03 | 2012-11-27 | Bose Corporation | Vehicle engine sound enhancement |
US9299337B2 (en) | 2011-01-11 | 2016-03-29 | Bose Corporation | Vehicle engine sound enhancement |
JP2018142210A (en) * | 2017-02-28 | 2018-09-13 | 株式会社デンソー | Signal processing system |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4715559A (en) * | 1986-05-15 | 1987-12-29 | Fuller Christopher R | Apparatus and method for global noise reduction |
WO1988002912A1 (en) * | 1986-10-07 | 1988-04-21 | Adaptive Control Limited | Active vibration control |
US4947356A (en) * | 1986-06-23 | 1990-08-07 | The Secretary Of State For Trade And Industry In Her Britannic Majesty's Government Of The United Kingdom Of Great Britain And Northern Ireland | Aircraft cabin noise control apparatus |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0465174B1 (en) * | 1990-06-29 | 1996-10-23 | Kabushiki Kaisha Toshiba | Adaptive active noise cancellation apparatus |
GB2271908B (en) * | 1992-10-21 | 1996-05-15 | Lotus Car | Adaptive control system |
-
1994
- 1994-03-25 GB GB9405953A patent/GB2287851A/en not_active Withdrawn
-
1995
- 1995-03-24 JP JP52503595A patent/JP3646809B2/en not_active Expired - Fee Related
- 1995-03-24 EP EP95912352A patent/EP0752124A1/en not_active Withdrawn
- 1995-03-24 WO PCT/GB1995/000666 patent/WO1995026521A1/en not_active Application Discontinuation
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4715559A (en) * | 1986-05-15 | 1987-12-29 | Fuller Christopher R | Apparatus and method for global noise reduction |
US4947356A (en) * | 1986-06-23 | 1990-08-07 | The Secretary Of State For Trade And Industry In Her Britannic Majesty's Government Of The United Kingdom Of Great Britain And Northern Ireland | Aircraft cabin noise control apparatus |
WO1988002912A1 (en) * | 1986-10-07 | 1988-04-21 | Adaptive Control Limited | Active vibration control |
Non-Patent Citations (1)
Title |
---|
DATABASE INSPEC, no. 93:4492759 IEEE TRANSACTIONS ON SPEECH AND AUDIO PROCESSING, vol. 1, no. 2, April 1993 S.LAUGESEN et al. "Multi- channel active control of random noise in a small reverberant room" pages 241-249, * |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19632230A1 (en) * | 1996-08-09 | 1998-02-12 | Mueller Bbm Gmbh | Adaptive noise and vibration control system for motor vehicle interior |
DE19632230C2 (en) * | 1996-08-09 | 1999-12-16 | Mueller Bbm Gmbh | Adaptive control for active noise reduction, use and procedures |
US9020158B2 (en) | 2008-11-20 | 2015-04-28 | Harman International Industries, Incorporated | Quiet zone control system |
CN109541938A (en) * | 2017-09-22 | 2019-03-29 | 中国科学院理化技术研究所 | A kind of double sound source driving thermoacoustic system of adaptive active feedforward control |
Also Published As
Publication number | Publication date |
---|---|
GB9405953D0 (en) | 1994-05-11 |
JPH09511081A (en) | 1997-11-04 |
EP0752124A1 (en) | 1997-01-08 |
JP3646809B2 (en) | 2005-05-11 |
GB2287851A (en) | 1995-09-27 |
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