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GB2256111B - Distributed sensors for active vibration control - Google Patents

Distributed sensors for active vibration control

Info

Publication number
GB2256111B
GB2256111B GB9208089A GB9208089A GB2256111B GB 2256111 B GB2256111 B GB 2256111B GB 9208089 A GB9208089 A GB 9208089A GB 9208089 A GB9208089 A GB 9208089A GB 2256111 B GB2256111 B GB 2256111B
Authority
GB
United Kingdom
Prior art keywords
vibration control
active vibration
distributed sensors
sensors
distributed
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
GB9208089A
Other versions
GB9208089D0 (en
GB2256111A (en
Inventor
James Alexander Rex
Stephen John Elliott
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.)
University of Southampton
Original Assignee
University of Southampton
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
Priority claimed from GB919107743A external-priority patent/GB9107743D0/en
Application filed by University of Southampton filed Critical University of Southampton
Priority to GB9208089A priority Critical patent/GB2256111B/en
Publication of GB9208089D0 publication Critical patent/GB9208089D0/en
Publication of GB2256111A publication Critical patent/GB2256111A/en
Application granted granted Critical
Publication of GB2256111B publication Critical patent/GB2256111B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B06—GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
    • B06B—METHODS OR APPARATUS FOR GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS OF INFRASONIC, SONIC, OR ULTRASONIC FREQUENCY, e.g. FOR PERFORMING MECHANICAL WORK IN GENERAL
    • B06B1/00—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency
    • B06B1/02—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy
    • B06B1/06—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction
    • 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
    • F16F15/005—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion using electro- or magnetostrictive actuation 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
    • 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
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N30/00—Piezoelectric or electrostrictive devices
    • H10N30/30—Piezoelectric or electrostrictive devices with mechanical input and electrical output, e.g. functioning as generators or sensors
    • H10N30/302—Sensors
    • 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
    • G10K2210/101—One dimensional
    • 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
    • G10K2210/102—Two dimensional
    • 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
    • G10K2210/1291—Anti-Vibration-Control, e.g. reducing vibrations in panels or beams
    • 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
    • G10K2210/3016—Control strategies, e.g. energy minimization or intensity measurements
    • 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
    • G10K2210/3034—Integrators
    • 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
    • G10K2210/3036—Modes, e.g. vibrational or spatial modes
    • 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
    • G10K2210/30—Means
    • G10K2210/321—Physical
    • G10K2210/3212—Actuator details, e.g. composition or microstructure
    • 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
    • G10K2210/321—Physical
    • G10K2210/3229—Transducers
    • 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
    • G10K2210/321—Physical
    • G10K2210/3229—Transducers
    • G10K2210/32291—Plates or thin films, e.g. PVDF
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R17/00—Piezoelectric transducers; Electrostrictive transducers
    • H04R17/04—Gramophone pick-ups using a stylus; Recorders using a stylus
    • H04R17/08—Gramophone pick-ups using a stylus; Recorders using a stylus signals being recorded or played back by vibration of a stylus in two orthogonal directions simultaneously

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
GB9208089A 1991-04-11 1992-04-13 Distributed sensors for active vibration control Expired - Fee Related GB2256111B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9208089A GB2256111B (en) 1991-04-11 1992-04-13 Distributed sensors for active vibration control

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB919107743A GB9107743D0 (en) 1991-04-11 1991-04-11 Distributed sensors for active control
GB9208089A GB2256111B (en) 1991-04-11 1992-04-13 Distributed sensors for active vibration control

Publications (3)

Publication Number Publication Date
GB9208089D0 GB9208089D0 (en) 1992-05-27
GB2256111A GB2256111A (en) 1992-11-25
GB2256111B true GB2256111B (en) 1995-02-01

Family

ID=26298718

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9208089A Expired - Fee Related GB2256111B (en) 1991-04-11 1992-04-13 Distributed sensors for active vibration control

Country Status (1)

Country Link
GB (1) GB2256111B (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9217129D0 (en) * 1992-08-13 1992-09-23 Secr Defence Vibration reduction
FR2703553B1 (en) * 1993-04-02 1995-05-12 Gec Alsthom Transport Sa Method for active control of the noise produced by an apparatus and device for implementing the method.
AU7669196A (en) * 1995-11-02 1997-05-22 Trustees Of Boston University Sound and vibration control windows
JPH10132669A (en) * 1996-10-30 1998-05-22 Whitaker Corp:The Piezo cable and wire harness using the same
GB0027510D0 (en) 2000-11-10 2000-12-27 Secr Defence Surface with varying electrical or magnetic properties
EP1356707A2 (en) * 2001-01-29 2003-10-29 Siemens Aktiengesellschaft Electroacoustic conversion of audio signals, especially voice signals
EP1246267A1 (en) * 2001-03-28 2002-10-02 Micromega Dynamics S.A. Method for shaping laminar piezoelectric actuators and sensors and related device
AT502141A1 (en) * 2004-10-21 2007-01-15 Siemens Transportation Systems ACTIVE VIBRATION REDUCTION ON RAIL VEHICLES
DE102015117770B4 (en) 2015-10-19 2021-05-12 Deutsches Zentrum für Luft- und Raumfahrt e.V. Sound reduction system and method for sound reduction

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1505664A (en) * 1974-05-17 1978-03-30 Inst Francais Du Petrole Seismic wave detectors
US4170185A (en) * 1978-01-09 1979-10-09 Lectret S.A. Preventing marine fouling
GB2072458A (en) * 1980-03-03 1981-09-30 Tape Developments Ltd C Electroacoustic transducers
GB2086582A (en) * 1977-07-27 1982-05-12 List Hans A transducer for measurement of mechanical values on hollow pipes
US4367426A (en) * 1980-03-19 1983-01-04 Hitachi, Ltd. Ceramic transparent piezoelectric transducer
US4626730A (en) * 1984-08-14 1986-12-02 Massachusetts Institute Of Technology Method and apparatus for active control of vibrations
WO1987005748A1 (en) * 1986-03-19 1987-09-24 Peter Francis Radice Piezoelectric polymeric film balloon speaker
GB2191909A (en) * 1986-06-19 1987-12-23 Plessey Co Plc Acoustic transducer

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1505664A (en) * 1974-05-17 1978-03-30 Inst Francais Du Petrole Seismic wave detectors
GB2086582A (en) * 1977-07-27 1982-05-12 List Hans A transducer for measurement of mechanical values on hollow pipes
US4170185A (en) * 1978-01-09 1979-10-09 Lectret S.A. Preventing marine fouling
GB2072458A (en) * 1980-03-03 1981-09-30 Tape Developments Ltd C Electroacoustic transducers
US4367426A (en) * 1980-03-19 1983-01-04 Hitachi, Ltd. Ceramic transparent piezoelectric transducer
US4626730A (en) * 1984-08-14 1986-12-02 Massachusetts Institute Of Technology Method and apparatus for active control of vibrations
WO1987005748A1 (en) * 1986-03-19 1987-09-24 Peter Francis Radice Piezoelectric polymeric film balloon speaker
GB2191909A (en) * 1986-06-19 1987-12-23 Plessey Co Plc Acoustic transducer

Also Published As

Publication number Publication date
GB9208089D0 (en) 1992-05-27
GB2256111A (en) 1992-11-25

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Legal Events

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

Effective date: 20020413