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

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16FSPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F15/00Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
    • F16F15/02Suppression 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
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10KSOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K11/00Methods 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
    • G10K11/16Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/175Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound
    • G10K11/178Methods 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
    • G10K11/1785Methods, e.g. algorithms; Devices
    • G10K11/17853Methods, e.g. algorithms; Devices of the filter
    • G10K11/17854Methods, e.g. algorithms; Devices of the filter the filter being an adaptive filter
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10KSOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K11/00Methods 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
    • G10K11/16Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/175Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound
    • G10K11/178Methods 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
    • G10K11/1785Methods, e.g. algorithms; Devices
    • G10K11/17857Geometric disposition, e.g. placement of microphones
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10KSOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K11/00Methods 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
    • G10K11/16Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/175Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound
    • G10K11/178Methods 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
    • G10K11/1787General system configurations
    • G10K11/17879General system configurations using both a reference signal and an error signal
    • G10K11/17883General 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
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60GVEHICLE SUSPENSION ARRANGEMENTS
    • B60G2400/00Indexing codes relating to detected, measured or calculated conditions or factors
    • B60G2400/90Other conditions or factors
    • B60G2400/91Frequency
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60GVEHICLE SUSPENSION ARRANGEMENTS
    • B60G2401/00Indexing codes relating to the type of sensors based on the principle of their operation
    • B60G2401/17Magnetic/Electromagnetic
    • B60G2401/176Radio or audio sensitive means, e.g. Ultrasonic
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60GVEHICLE SUSPENSION ARRANGEMENTS
    • B60G2600/00Indexing codes relating to particular elements, systems or processes used on suspension systems or suspension control systems
    • B60G2600/60Signal noise suppression; Electronic filtering means
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60GVEHICLE SUSPENSION ARRANGEMENTS
    • B60G2600/00Indexing codes relating to particular elements, systems or processes used on suspension systems or suspension control systems
    • B60G2600/60Signal noise suppression; Electronic filtering means
    • B60G2600/604Signal noise suppression; Electronic filtering means low pass
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60GVEHICLE SUSPENSION ARRANGEMENTS
    • B60G2600/00Indexing codes relating to particular elements, systems or processes used on suspension systems or suspension control systems
    • B60G2600/76Digital systems
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60GVEHICLE SUSPENSION ARRANGEMENTS
    • B60G2600/00Indexing codes relating to particular elements, systems or processes used on suspension systems or suspension control systems
    • B60G2600/90Indexing codes relating to particular elements, systems or processes used on suspension systems or suspension control systems other signal treatment means
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10KSOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K2210/00Details of active noise control [ANC] covered by G10K11/178 but not provided for in any of its subgroups
    • G10K2210/10Applications
    • G10K2210/106Boxes, i.e. active box covering a noise source; Enclosures
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10KSOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K2210/00Details of active noise control [ANC] covered by G10K11/178 but not provided for in any of its subgroups
    • G10K2210/10Applications
    • G10K2210/128Vehicles
    • G10K2210/1281Aircraft, e.g. spacecraft, airplane or helicopter
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10KSOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K2210/00Details of active noise control [ANC] covered by G10K11/178 but not provided for in any of its subgroups
    • G10K2210/30Means
    • G10K2210/301Computational
    • G10K2210/3042Parallel processing
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10KSOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K2210/00Details of active noise control [ANC] covered by G10K11/178 but not provided for in any of its subgroups
    • G10K2210/30Means
    • G10K2210/301Computational
    • G10K2210/3046Multiple acoustic inputs, multiple acoustic outputs
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10KSOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K2210/00Details of active noise control [ANC] covered by G10K11/178 but not provided for in any of its subgroups
    • G10K2210/50Miscellaneous
    • G10K2210/511Narrow 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