GB2255256B - Method of and apparatus for reducing vibrations - Google Patents

Method of and apparatus for reducing vibrations

Info

Publication number
GB2255256B
GB2255256B GB9107765A GB9107765A GB2255256B GB 2255256 B GB2255256 B GB 2255256B GB 9107765 A GB9107765 A GB 9107765A GB 9107765 A GB9107765 A GB 9107765A GB 2255256 B GB2255256 B GB 2255256B
Authority
GB
United Kingdom
Prior art keywords
reducing vibrations
vibrations
reducing
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
Application number
GB9107765A
Other versions
GB9107765D0 (en
GB2255256A (en
Inventor
Malcolm Alexander Swinbanks
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
W S ATKINS ENGINEERING SCIENCE
Original Assignee
W S ATKINS ENGINEERING SCIENCE
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by W S ATKINS ENGINEERING SCIENCE filed Critical W S ATKINS ENGINEERING SCIENCE
Priority to GB9107765A priority Critical patent/GB2255256B/en
Publication of GB9107765D0 publication Critical patent/GB9107765D0/en
Priority to AU14749/92A priority patent/AU1474992A/en
Priority to DE4212176A priority patent/DE4212176A1/en
Priority to FR9204461A priority patent/FR2675296A1/en
Publication of GB2255256A publication Critical patent/GB2255256A/en
Application granted granted Critical
Publication of GB2255256B publication Critical patent/GB2255256B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
    • F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
    • 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
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2400/00—Indexing codes relating to detected, measured or calculated conditions or factors
    • B60G2400/90—Other conditions or factors
    • B60G2400/91—Frequency
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2401/00—Indexing codes relating to the type of sensors based on the principle of their operation
    • B60G2401/17—Magnetic/Electromagnetic
    • B60G2401/176—Radio or audio sensitive means, e.g. Ultrasonic
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2600/00—Indexing codes relating to particular elements, systems or processes used on suspension systems or suspension control systems
    • B60G2600/60—Signal noise suppression; Electronic filtering means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2600/00—Indexing codes relating to particular elements, systems or processes used on suspension systems or suspension control systems
    • B60G2600/60—Signal noise suppression; Electronic filtering means
    • B60G2600/604—Signal noise suppression; Electronic filtering means low pass
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2600/00—Indexing codes relating to particular elements, systems or processes used on suspension systems or suspension control systems
    • B60G2600/76—Digital systems
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2600/00—Indexing codes relating to particular elements, systems or processes used on suspension systems or suspension control systems
    • B60G2600/90—Indexing codes relating to particular elements, systems or processes used on suspension systems or suspension control systems other signal treatment means
    • 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
    • G10K2210/106—Boxes, i.e. active box covering a noise source; Enclosures
    • 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
    • G10K2210/30—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
    • G10K2210/3046—Multiple acoustic inputs, multiple acoustic outputs
    • 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

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • General Engineering & Computer Science (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
GB9107765A 1991-04-12 1991-04-12 Method of and apparatus for reducing vibrations Expired - Fee Related GB2255256B (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
GB9107765A GB2255256B (en) 1991-04-12 1991-04-12 Method of and apparatus for reducing vibrations
AU14749/92A AU1474992A (en) 1991-04-12 1992-04-08 Method of and apparatus for reducing vibrations
DE4212176A DE4212176A1 (en) 1991-04-12 1992-04-10 METHOD AND DEVICE FOR REDUCING VIBRATIONS
FR9204461A FR2675296A1 (en) 1991-04-12 1992-04-10 METHOD AND DEVICE FOR REDUCING VIBRATIONS

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9107765A GB2255256B (en) 1991-04-12 1991-04-12 Method of and apparatus for reducing vibrations

Publications (3)

Publication Number Publication Date
GB9107765D0 GB9107765D0 (en) 1991-05-29
GB2255256A GB2255256A (en) 1992-10-28
GB2255256B true GB2255256B (en) 1994-11-02

Family

ID=10693124

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9107765A Expired - Fee Related GB2255256B (en) 1991-04-12 1991-04-12 Method of and apparatus for reducing vibrations

Country Status (4)

Country Link
AU (1) AU1474992A (en)
DE (1) DE4212176A1 (en)
FR (1) FR2675296A1 (en)
GB (1) GB2255256B (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2015530856A (en) * 2012-07-16 2015-10-15 サンパワー・インコーポレーテッド Vibration balancing by input of harmonic balancing signal to armature of linear motor / alternator connected to Stirling machine
JP2015530638A (en) * 2012-07-16 2015-10-15 サンパワー・インコーポレーテッド Active vibration balancer drive to minimize fundamental and harmonic frequency vibrations

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2138552C (en) * 1992-06-25 1998-07-07 Graham P. Eatwell Control system using harmonic filters
JPH06230788A (en) * 1993-02-01 1994-08-19 Fuji Heavy Ind Ltd In-car noise reducing device
GB9414484D0 (en) * 1994-07-18 1994-09-21 Marconi Gec Ltd An apparatus for cancelling vibrations
FR2723464B1 (en) * 1994-08-05 1996-10-11 Matra Cap Systems Sa METHOD AND DEVICE FOR ACTIVE DAMPING OF MECHANICAL WAVES
GB2293898B (en) * 1994-10-03 1998-10-14 Lotus Car Adaptive control system for controlling repetitive phenomena
DE102006027383A1 (en) * 2005-12-06 2007-06-14 Triodata Gmbh A method for damping an acoustic noise and arrangement for carrying out the method

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2054999A (en) * 1979-06-28 1981-02-18 Nat Res Dev Signal Processing Systems
GB2107960A (en) * 1981-10-21 1983-05-05 George Brian Barrie Chaplin Method and apparatus for cancelling vibrations
GB2126837A (en) * 1982-08-19 1984-03-28 British Aerospace Noise suppression

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2054999A (en) * 1979-06-28 1981-02-18 Nat Res Dev Signal Processing Systems
GB2107960A (en) * 1981-10-21 1983-05-05 George Brian Barrie Chaplin Method and apparatus for cancelling vibrations
GB2126837A (en) * 1982-08-19 1984-03-28 British Aerospace Noise suppression

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2015530856A (en) * 2012-07-16 2015-10-15 サンパワー・インコーポレーテッド Vibration balancing by input of harmonic balancing signal to armature of linear motor / alternator connected to Stirling machine
JP2015530638A (en) * 2012-07-16 2015-10-15 サンパワー・インコーポレーテッド Active vibration balancer drive to minimize fundamental and harmonic frequency vibrations

Also Published As

Publication number Publication date
GB9107765D0 (en) 1991-05-29
GB2255256A (en) 1992-10-28
DE4212176A1 (en) 1992-11-12
FR2675296A1 (en) 1992-10-16
AU1474992A (en) 1992-10-15

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19950412