KR100976530B1 - 압전 파이버 복합 액추에이터를 이용한 축부재의 진동 감쇠장치 - Google Patents
압전 파이버 복합 액추에이터를 이용한 축부재의 진동 감쇠장치 Download PDFInfo
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- KR100976530B1 KR100976530B1 KR1020080092867A KR20080092867A KR100976530B1 KR 100976530 B1 KR100976530 B1 KR 100976530B1 KR 1020080092867 A KR1020080092867 A KR 1020080092867A KR 20080092867 A KR20080092867 A KR 20080092867A KR 100976530 B1 KR100976530 B1 KR 100976530B1
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- vibration
- fiber composite
- piezoelectric fiber
- composite actuator
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- 238000013016 damping Methods 0.000 title claims abstract description 42
- 239000000835 fiber Substances 0.000 claims abstract description 61
- 239000002131 composite material Substances 0.000 claims abstract description 48
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- 230000010287 polarization Effects 0.000 description 4
- 230000002238 attenuated effect Effects 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
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- 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
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- 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
- F16F15/10—Suppression of vibrations in rotating systems by making use of members moving with the system
- F16F15/14—Suppression of vibrations in rotating systems by making use of members moving with the system using masses freely rotating with the system, i.e. uninvolved in transmitting driveline torque, e.g. rotative dynamic dampers
- F16F15/1407—Suppression of vibrations in rotating systems by making use of members moving with the system using masses freely rotating with the system, i.e. uninvolved in transmitting driveline torque, e.g. rotative dynamic dampers the rotation being limited with respect to the driving means
- F16F15/145—Masses mounted with play with respect to driving means thus enabling free movement over a limited range
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- 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
- F16F15/002—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion characterised by the control method or circuitry
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- 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
- F16F15/007—Piezoelectric elements being placed under pre-constraint, e.g. placed under compression
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D19/00—Control of mechanical oscillations, e.g. of amplitude, of frequency, of phase
- G05D19/02—Control of mechanical oscillations, e.g. of amplitude, of frequency, of phase characterised by the use of electric means
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- 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
- F16F2224/00—Materials; Material properties
- F16F2224/02—Materials; Material properties solids
- F16F2224/0283—Materials; Material properties solids piezoelectric; electro- or magnetostrictive
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- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Aviation & Aerospace Engineering (AREA)
- Mechanical Engineering (AREA)
- General Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
- Vibration Prevention Devices (AREA)
Abstract
Description
Claims (5)
- 축부재의 진동 감쇠장치로서, 상기 축부재의 중앙부를 외감하고 외측부에 압전센서가 고정된 압전 파이버 복합 액추에이터와, 상기 압전 파이버 복합 액추에이터에 의해 외감된 축부재의 진동량에 따라 상기 압전센서의 전기적 신호를 입력하여 상기 진동량을 측정하는 진동량 측정부와, 상기 진동량 측정부의 출력에 따라 상기 압전 파이버 복합 액추에이터의 양 단부에 통전되는 전압을 조절하는 전압제어부를 포함하고,상기 압전 파이버 복합 액추에이터는, 공진 시 축부재의 변형이 큰 부분에 판상형태로 감아서 마련되며,상기 전압제어는 설정 주파수(비 공진주파수)의 진동이 원통형 중공축에 가해질 경우 압전 파이버 복합 액추에이터의 부착에 의한 강성 증가로 진동을 감쇠하고 특정주파수(공진주파수)가 원통형 중공축에 가해질 경우 상기 원통형 중공축에 접합재를 매개로 착접된 압전 파이버 복합 액추에이터를 압전물질로서 사용하여 CLD(Constrained Layer Damping)층을 만들고 이를 통해 진동을 감쇠하고 공진 발생 시 전압을 가하여 수축 응력을 발생시켜 진동을 제어할 수 있도록 된 것을 특징으로 하는 진동 감쇠장치.
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KR1020080092867A KR100976530B1 (ko) | 2008-09-22 | 2008-09-22 | 압전 파이버 복합 액추에이터를 이용한 축부재의 진동 감쇠장치 |
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KR1020080092867A KR100976530B1 (ko) | 2008-09-22 | 2008-09-22 | 압전 파이버 복합 액추에이터를 이용한 축부재의 진동 감쇠장치 |
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KR20100033824A KR20100033824A (ko) | 2010-03-31 |
KR100976530B1 true KR100976530B1 (ko) | 2010-08-17 |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9267824B1 (en) | 2015-02-02 | 2016-02-23 | Goodrich Corporation | Sensor systems |
US10378934B2 (en) | 2015-02-02 | 2019-08-13 | Goodrich Corporation | Sensor systems |
US20220393097A1 (en) * | 2011-04-08 | 2022-12-08 | Murata Manufacturing Co., Ltd. | Displacement sensor, displacement detecting device, and operation device |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
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KR101536973B1 (ko) | 2014-01-28 | 2015-07-22 | 한국기계연구원 | 단결정 압전 섬유 포함 복합체 및 이를 포함하는 자기전기 복합재료 적층체 |
DE102016105877B4 (de) * | 2016-03-31 | 2021-03-11 | Fibro Gmbh | Verfahren und Vorrichtung zur Überwachung einer Maschine |
CN107165978B (zh) * | 2017-06-06 | 2019-04-19 | 哈尔滨工程大学 | 一种声子晶体轴的二维减振装置 |
Citations (4)
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---|---|---|---|---|
KR960009354B1 (ko) * | 1992-12-30 | 1996-07-18 | 박득표 | 형상기억합금과 압전재료를 이용한 차단기용 진동제거장치 |
JPH08326835A (ja) * | 1995-05-31 | 1996-12-10 | Hitachi Plant Eng & Constr Co Ltd | アクティブ除振装置 |
JPH118181A (ja) | 1997-06-17 | 1999-01-12 | Nec Kyushu Ltd | 投影型露光装置 |
JP2008134996A (ja) | 2006-10-30 | 2008-06-12 | Nissan Motor Co Ltd | 振動低減装置 |
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- 2008-09-22 KR KR1020080092867A patent/KR100976530B1/ko active IP Right Grant
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR960009354B1 (ko) * | 1992-12-30 | 1996-07-18 | 박득표 | 형상기억합금과 압전재료를 이용한 차단기용 진동제거장치 |
JPH08326835A (ja) * | 1995-05-31 | 1996-12-10 | Hitachi Plant Eng & Constr Co Ltd | アクティブ除振装置 |
JPH118181A (ja) | 1997-06-17 | 1999-01-12 | Nec Kyushu Ltd | 投影型露光装置 |
JP2008134996A (ja) | 2006-10-30 | 2008-06-12 | Nissan Motor Co Ltd | 振動低減装置 |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20220393097A1 (en) * | 2011-04-08 | 2022-12-08 | Murata Manufacturing Co., Ltd. | Displacement sensor, displacement detecting device, and operation device |
US11877516B2 (en) * | 2011-04-08 | 2024-01-16 | Murata Manufacturing Co., Ltd. | Displacement sensor, displacement detecting device, and operation device |
US9267824B1 (en) | 2015-02-02 | 2016-02-23 | Goodrich Corporation | Sensor systems |
US10378934B2 (en) | 2015-02-02 | 2019-08-13 | Goodrich Corporation | Sensor systems |
US11215483B2 (en) | 2015-02-02 | 2022-01-04 | Goodrich Corporation | Sensor systems |
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KR20100033824A (ko) | 2010-03-31 |
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