JP2008155845A - 能動型振動騒音制御装置 - Google Patents
能動型振動騒音制御装置 Download PDFInfo
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- JP2008155845A JP2008155845A JP2006349257A JP2006349257A JP2008155845A JP 2008155845 A JP2008155845 A JP 2008155845A JP 2006349257 A JP2006349257 A JP 2006349257A JP 2006349257 A JP2006349257 A JP 2006349257A JP 2008155845 A JP2008155845 A JP 2008155845A
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- 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
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- 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
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- 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
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- 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
- G10K11/17857—Geometric disposition, e.g. placement of microphones
-
- 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
- G10K2210/3046—Multiple acoustic inputs, multiple acoustic outputs
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Soundproofing, Sound Blocking, And Sound Damping (AREA)
- Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
- Circuit For Audible Band Transducer (AREA)
Abstract
【解決手段】切替手段67の比較器70は、エンジン回転信号の周波数feが所定周波数に達すると、セレクタ82、88及びフィルタ係数更新手段52に切替制御信号Ssを出力する。セレクタ82は、切替制御信号Ssに基づいてメモリ84と補正手段92との接続をメモリ86と補正手段92との接続に切り替えるので、補正手段92の伝達特性C^rrは、C^11からC^10に切り替えられる。セレクタ88は、切替制御信号Ssに基づいてADC66とフィルタ係数更新手段58との接続をADC64とフィルタ係数更新手段58との接続に切り替えるので、フィルタ係数更新手段58には誤差信号e1に代えて誤差信号e0が入力される。
【選択図】図1
Description
14…車室 16a、16b…前席
20、26…マイクロフォン 22…後部座席
28a、28b、30、30a、30b…スピーカ
32…ANCコントローラ 44…周波数検出回路
46…基準信号生成手段 48、54…適応フィルタ
50、56、90、92、108…補正手段
52、58…フィルタ係数更新手段 67…切替手段
70…比較器
72、78、82、88、96、98、100…セレクタ
74、76、84、86…メモリ 102…補正フィルタ係数演算手段
104…補正係数設定部 106…乗算部
Claims (6)
- 振動騒音源から発生する振動騒音の周波数に基づく周波数を有する基準波信号を生成する基準波信号生成手段と、
前記振動騒音を相殺するために、前記基準波信号に基づいて制御信号を出力する適応フィルタと、
前記制御信号に基づいて振動騒音打消音を出力する振動騒音打消手段と、
前記振動騒音と前記振動騒音打消音との差に基づく誤差信号を出力する誤差信号検出手段と、
前記振動騒音打消手段から前記誤差信号検出手段までの信号伝達特性に対応する補正値に基づいて、前記基準波信号を補正し参照信号として出力する補正手段と、
前記誤差信号と前記参照信号とに基づいて、前記誤差信号が最小となるように前記適応フィルタのフィルタ係数を逐次更新するフィルタ係数更新手段と、
を備えた能動型振動騒音制御装置において、
前記振動騒音打消手段は、第1空間付近に少なくとも2つ設けられた第1振動騒音打消手段と、第2空間付近に少なくとも1つ設けられた第2振動騒音打消手段とを有し、
前記誤差信号検出手段は、前記第1空間付近に少なくとも1つ設けられた第1誤差信号検出手段と、前記第2空間付近に少なくとも1つ設けられた第2誤差信号検出手段との両方、若しくは、前記第1誤差信号検出手段のみを有し、
前記振動騒音の制御特性が予め設定された閾値をまたがって変化したときに、前記補正手段の補正値を、前記第1振動騒音打消手段から前記第1誤差信号検出手段までの信号伝達特性に対応する第1補正値、若しくは、前記第2振動騒音打消手段から前記第2誤差信号検出手段までの信号伝達特性に対応する第2補正値から、前記第2振動騒音打消手段から前記第1誤差信号検出手段までの信号伝達特性に対応する第3補正値に切り替えると共に、前記第1空間に前記振動騒音打消音を出力する振動騒音打消手段を前記第1振動騒音打消手段から前記第2振動騒音打消手段に切り替える切替手段をさらに有する
ことを特徴とする能動型振動騒音制御装置。 - 請求項1記載の能動型振動騒音制御装置において、
前記切替手段は、前記振動騒音の制御特性が前記閾値をまたがって変化したときに、前記第1振動騒音打消手段からの前記振動騒音打消音の出力を停止させる
ことを特徴とする能動型振動騒音制御装置。 - 請求項1記載の能動型振動騒音制御装置において、
前記切替手段は、前記振動騒音の制御特性が前記閾値をまたがって変化したときに、前記補正手段の補正値を、前記第1補正値から、前記第1振動騒音打消手段から前記第2誤差信号検出手段までの信号伝達特性に対応する第4補正値に切り替え、且つ、前記第2補正値から前記第3補正値に切り替えると共に、前記第1空間に前記振動騒音打消音を出力する振動騒音打消手段を前記第1振動騒音打消手段から前記第2振動騒音打消手段に切り替え、且つ、前記第2空間に前記振動騒音打消音を出力する振動騒音打消手段を前記第2振動騒音打消手段から前記第1振動騒音打消手段に切り替える
ことを特徴とする能動型振動騒音制御装置。 - 請求項1〜3のいずれか1項に記載の能動型振動騒音制御装置において、
前記切替手段は、前記振動騒音の制御特性が前記閾値をまたがって変化したときに、前記適応フィルタから出力された前記制御信号が供給される前記振動騒音打消手段を切り替える制御信号供給切替部を有する
ことを特徴とする能動型振動騒音制御装置。 - 請求項1〜4のいずれか1項に記載の能動型振動騒音制御装置において、
前記切替手段は、前記振動騒音の制御特性が前記閾値をまたがって変化したときに、前記フィルタ係数更新手段に前記誤差信号を供給する前記誤差信号検出手段を切り替える誤差信号切替部を有する
ことを特徴とする能動型振動騒音制御装置。 - 請求項1〜5のいずれか1項に記載の能動型振動騒音制御装置において、
前記振動騒音源は、車両のエンジンであり、
前記振動騒音の制御特性は、前記エンジンから発生する振動騒音の周波数又は前記エンジンの出力軸の回転数である
ことを特徴とする能動型振動騒音制御装置。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
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JP2006349257A JP4322916B2 (ja) | 2006-12-26 | 2006-12-26 | 能動型振動騒音制御装置 |
US11/987,618 US8098836B2 (en) | 2006-12-26 | 2007-12-03 | Active vibratory noise control apparatus |
Applications Claiming Priority (1)
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JP2006349257A JP4322916B2 (ja) | 2006-12-26 | 2006-12-26 | 能動型振動騒音制御装置 |
Publications (2)
Publication Number | Publication Date |
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JP2008155845A true JP2008155845A (ja) | 2008-07-10 |
JP4322916B2 JP4322916B2 (ja) | 2009-09-02 |
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JP2006349257A Expired - Fee Related JP4322916B2 (ja) | 2006-12-26 | 2006-12-26 | 能動型振動騒音制御装置 |
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US (1) | US8098836B2 (ja) |
JP (1) | JP4322916B2 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2010264974A (ja) * | 2009-05-14 | 2010-11-25 | Harman Internatl Industries Inc | 適応スピーカ選択を用いたアクティブノイズ制御のためのシステム |
Families Citing this family (15)
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WO2007013281A1 (ja) * | 2005-07-27 | 2007-02-01 | Matsushita Electric Industrial Co., Ltd. | 能動型振動騒音制御装置 |
JP4378391B2 (ja) * | 2007-03-28 | 2009-12-02 | 本田技研工業株式会社 | 車両用能動型騒音制御システム |
JP5002302B2 (ja) * | 2007-03-30 | 2012-08-15 | 本田技研工業株式会社 | 能動型騒音制御装置 |
JP5189307B2 (ja) * | 2007-03-30 | 2013-04-24 | 本田技研工業株式会社 | 能動型騒音制御装置 |
JP2008247221A (ja) * | 2007-03-30 | 2008-10-16 | Honda Motor Co Ltd | 能動型騒音制御装置 |
US20100054490A1 (en) * | 2008-08-29 | 2010-03-04 | Lucent Technologies Inc. | Audio Noise Cancellation System |
US9020158B2 (en) * | 2008-11-20 | 2015-04-28 | Harman International Industries, Incorporated | Quiet zone control system |
US8718289B2 (en) * | 2009-01-12 | 2014-05-06 | Harman International Industries, Incorporated | System for active noise control with parallel adaptive filter configuration |
EP2505870A1 (en) * | 2009-11-25 | 2012-10-03 | Sinfonia Technology Co., Ltd. | Vibration damping device and vehicle provided therewith |
CN104136799B (zh) * | 2012-02-24 | 2015-12-02 | 本田技研工业株式会社 | 主动振动降低装置 |
US9446770B2 (en) * | 2015-01-29 | 2016-09-20 | GM Global Technology Operations LLC | Method and apparatus for monitoring a rear passenger seating area of a vehicle |
DE102016100542A1 (de) * | 2016-01-14 | 2017-07-20 | Faurecia Emissions Control Technologies, Germany Gmbh | Verfahren zur Erzeugung eines Ansteuerungssignals für einen in einem Motorfahrzeug angeordneten Lautsprecher sowie Abgasanlage für einen Motor und Soundsystem für eine Fahrgastzelle |
CN108604445B (zh) * | 2016-02-05 | 2020-04-07 | 本田技研工业株式会社 | 有源振动噪声控制装置和有源振动噪声控制电路 |
JP6967714B2 (ja) * | 2017-10-27 | 2021-11-17 | パナソニックIpマネジメント株式会社 | 能動騒音低減装置、車両、及び、能動騒音低減方法 |
JP2022156359A (ja) * | 2021-03-31 | 2022-10-14 | パナソニックIpマネジメント株式会社 | 伝達関数の計測方法、及び、能動騒音低減装置 |
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JPH0830278A (ja) * | 1994-07-14 | 1996-02-02 | Honda Motor Co Ltd | アクティブ振動制御装置 |
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JP3843082B2 (ja) * | 2003-06-05 | 2006-11-08 | 本田技研工業株式会社 | 能動型振動騒音制御装置 |
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JP4074612B2 (ja) * | 2004-09-14 | 2008-04-09 | 本田技研工業株式会社 | 能動型振動騒音制御装置 |
EP1688910B1 (en) * | 2004-11-08 | 2014-01-08 | Panasonic Corporation | Active noise reduction device |
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JP4262703B2 (ja) * | 2005-08-09 | 2009-05-13 | 本田技研工業株式会社 | 能動型騒音制御装置 |
JP2008247221A (ja) * | 2007-03-30 | 2008-10-16 | Honda Motor Co Ltd | 能動型騒音制御装置 |
US8306240B2 (en) * | 2008-10-20 | 2012-11-06 | Bose Corporation | Active noise reduction adaptive filter adaptation rate adjusting |
-
2006
- 2006-12-26 JP JP2006349257A patent/JP4322916B2/ja not_active Expired - Fee Related
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2007
- 2007-12-03 US US11/987,618 patent/US8098836B2/en active Active
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2010264974A (ja) * | 2009-05-14 | 2010-11-25 | Harman Internatl Industries Inc | 適応スピーカ選択を用いたアクティブノイズ制御のためのシステム |
Also Published As
Publication number | Publication date |
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US8098836B2 (en) | 2012-01-17 |
US20080152158A1 (en) | 2008-06-26 |
JP4322916B2 (ja) | 2009-09-02 |
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