KR101300024B1 - 절대 변위 검출 방법 및 그 방법을 이용한 절대 변위 센서 - Google Patents
절대 변위 검출 방법 및 그 방법을 이용한 절대 변위 센서 Download PDFInfo
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- KR101300024B1 KR101300024B1 KR1020107002589A KR20107002589A KR101300024B1 KR 101300024 B1 KR101300024 B1 KR 101300024B1 KR 1020107002589 A KR1020107002589 A KR 1020107002589A KR 20107002589 A KR20107002589 A KR 20107002589A KR 101300024 B1 KR101300024 B1 KR 101300024B1
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- 238000006073 displacement reaction Methods 0.000 title claims abstract description 158
- 238000001514 detection method Methods 0.000 title claims abstract description 32
- 238000000034 method Methods 0.000 title claims description 9
- 230000001133 acceleration Effects 0.000 claims abstract description 20
- 238000013016 damping Methods 0.000 claims abstract description 12
- 239000003638 chemical reducing agent Substances 0.000 claims description 3
- 230000004069 differentiation Effects 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 5
- 239000003990 capacitor Substances 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 3
- 230000004907 flux Effects 0.000 description 3
- 230000007847 structural defect Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000005555 metalworking Methods 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
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- 230000007423 decrease Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 238000010587 phase diagram Methods 0.000 description 1
- 230000010363 phase shift Effects 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
- G01P3/00—Measuring linear or angular speed; Measuring differences of linear or angular speeds
- G01P3/42—Devices characterised by the use of electric or magnetic means
- G01P3/50—Devices characterised by the use of electric or magnetic means for measuring linear speed
- G01P3/52—Devices characterised by the use of electric or magnetic means for measuring linear speed by measuring amplitude of generated current or voltage
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
- G01P15/00—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration
- G01P15/02—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration by making use of inertia forces using solid seismic masses
- G01P15/08—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration by making use of inertia forces using solid seismic masses with conversion into electric or magnetic values
- G01P15/11—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration by making use of inertia forces using solid seismic masses with conversion into electric or magnetic values by inductive pick-up
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
- G01P15/00—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration
- G01P15/16—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration by evaluating the time-derivative of a measured speed signal
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V1/00—Seismology; Seismic or acoustic prospecting or detecting
- G01V1/16—Receiving elements for seismic signals; Arrangements or adaptations of receiving elements
- G01V1/18—Receiving elements, e.g. seismometer, geophone or torque detectors, for localised single point measurements
- G01V1/181—Geophones
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Remote Sensing (AREA)
- Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Acoustics & Sound (AREA)
- Geology (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geophysics (AREA)
- Length Measuring Devices With Unspecified Measuring Means (AREA)
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
Abstract
Description
도 2는 도 1에 나타내는 예의 위상 지연 보상 수단의 설명도,
도 3은 도 1에 나타내는 예의 위상 지연 보상 수단의 주파수 특성의 설명도,
도 4는 도 1에 나타내는 예의 주파수 특성의 설명도이다.
Claims (5)
- 주어진 스프링 계수 및 감쇠 계수를 가지고 피검출체에 지지된 질량체에 대한 해당 피검출체의 상대 속도를 검출하고, 이 검출한 상대 속도를 적분하여 얻어진 상대 변위를 포지티브하게, 검출한 상대 속도를 1차 미분하여 얻어진 상대 가속도를 네거티브하게 각각 피드백시켜 피검출체의 절대 변위에 기인하는 질량체의 변위를 피드백 루프에 의해 제어하는 한편, 피검출체의 절대 변위를 검출하는 검출 범위에서의 위상의 진행이 0이 되도록, 적분하여 얻어진 상대 변위에 상기 피드백 루프의 고유 진동 주파수를 포함하는 필요한 주파수 영역에서 위상 지연 보상을 한 상대 변위에서 피검출체의 절대 변위를 얻는, 절대 변위 검출 방법.
- 제1항에 있어서,
검출한 상대 속도를 네거티브 또는 포지티브하게 피드백시켜 피검출체의 절대 변위에 기인하는 질량체의 변위를 제어하는, 절대 변위 검출 방법. - 주어진 스프링 계수 및 감쇠 계수를 가지고 피검출체에 지지된 질량체, 이 질량체에 대한 피검출체의 상대 속도를 검출하는 검출 수단, 및 이 검출한 상대 속도를 적분하여 얻어진 상대 변위를 포지티브하게, 검출한 상대 속도를 1차 미분하여 얻어진 상대 가속도를 네거티브하게 각각 피드백시켜 피검출체의 절대 변위에 기인하는 질량체의 변위를 제어하는 피드백 제어 수단을 갖고 있는 피드백 루프와, 피검출체의 절대 변위를 검출하는 검출 범위에서의 위상의 진행이 0이 되도록, 적분하여 얻어진 상대 변위에 상기 피드백 루프의 고유 진동 주파수를 포함하는, 필요한 주파수 영역에서 위상 지연 보상을 하는 위상 지연 보상 수단을 구비하고 있고, 위상 지연 보상 수단에 의해 위상 지연 보상을 한 상대 변위를 피검출체의 절대 변위로서 출력하는, 절대 변위 센서.
- 제3항에 있어서,
피드백 제어 수단은 검출한 상대 속도를 네거티브 또는 포지티브하게 피드백시켜 피검출체의 절대 변위에 기인하는 질량체의 변위를 제어하게 되어 있는 것을 특징으로 하는 절대 변위 센서. - 제3항 또는 제4항에 기재된 절대 변위 센서에서 출력되는 절대 변위에 기초하여 진동체의 진동을 흡수하는, 액티브 (active) 동흡진기 (動吸振器).
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007204782A JP4973373B2 (ja) | 2007-08-06 | 2007-08-06 | 絶対変位検出方法及びその方法を用いた絶対変位センサ |
JPJP-P-2007-204782 | 2007-08-06 | ||
PCT/JP2008/002120 WO2009019863A1 (ja) | 2007-08-06 | 2008-08-05 | 絶対変位検出方法及びその方法を用いた絶対変位センサ |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20100069641A KR20100069641A (ko) | 2010-06-24 |
KR101300024B1 true KR101300024B1 (ko) | 2013-08-29 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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KR1020107002589A KR101300024B1 (ko) | 2007-08-06 | 2008-08-05 | 절대 변위 검출 방법 및 그 방법을 이용한 절대 변위 센서 |
Country Status (7)
Country | Link |
---|---|
US (1) | US8418552B2 (ko) |
EP (1) | EP2177885A4 (ko) |
JP (1) | JP4973373B2 (ko) |
KR (1) | KR101300024B1 (ko) |
CN (1) | CN101790675B (ko) |
NZ (1) | NZ583164A (ko) |
WO (1) | WO2009019863A1 (ko) |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5322710B2 (ja) * | 2009-03-06 | 2013-10-23 | 特許機器株式会社 | サーボ型振動センサ及び振動制御装置 |
JP5532238B2 (ja) * | 2010-07-08 | 2014-06-25 | 国立大学法人東京工業大学 | 剛体特性同定装置及び剛体特性同定方法 |
CN102537196B (zh) * | 2010-12-24 | 2013-12-18 | 上海微电子装备有限公司 | 主动减振系统及其减振单元和绝对位移测量装置 |
CN102749873B (zh) * | 2012-07-27 | 2014-09-03 | 吉林大学 | 电磁驱动式相控震源相位补偿控制系统及补偿控制方法 |
US9121865B2 (en) * | 2012-12-12 | 2015-09-01 | Raytheon Company | Hung mass accelerometer with differential Eddy current sensing |
JP6405735B2 (ja) * | 2014-06-16 | 2018-10-17 | 一登 背戸 | 絶対変位センサ |
JP6451094B2 (ja) * | 2014-06-16 | 2019-01-16 | 一登 背戸 | 絶対変位センサ |
JP6451095B2 (ja) * | 2014-06-16 | 2019-01-16 | 一登 背戸 | 絶対変位センサ |
JP5946074B1 (ja) * | 2015-01-21 | 2016-07-05 | 国立研究開発法人防災科学技術研究所 | 絶対速度応答演算装置、それを用いた絶対速度応答演算システム、及び絶対速度応答演算方法 |
US9784759B2 (en) | 2015-11-16 | 2017-10-10 | Raytheon Company | Thermally insensitive open-loop hung mass accelerometer with differential Eddy current sensing |
US10024880B2 (en) | 2016-05-21 | 2018-07-17 | Raytheon Company | Athermal hung mass accelerometer with reduced sensitivity to longitudinal temperature gradients |
US10668882B2 (en) * | 2018-03-30 | 2020-06-02 | Veoneer Us Inc. | Mechanical transfer function cancellation |
CN111366231A (zh) * | 2020-02-14 | 2020-07-03 | 清华大学 | 振动测量装置 |
CN111694437B (zh) * | 2020-06-20 | 2023-09-08 | 瑞声科技(新加坡)有限公司 | 触觉效果的实现方法及设备、计算机可读存储介质 |
CN112683384A (zh) * | 2020-12-01 | 2021-04-20 | 西南交通大学 | 一种基于列车行进震动脉冲无线充电的智能地铁检测机构 |
CN112556831B (zh) * | 2020-12-01 | 2021-08-27 | 南京艾泰克物联网科技有限公司 | 一种井盖异常智能检测报警装置检测方法 |
Citations (2)
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US6510738B1 (en) * | 1999-08-09 | 2003-01-28 | National Science Council | Device and method for measuring vibration |
JP2004251666A (ja) * | 2003-02-18 | 2004-09-09 | Kazuto Sedo | サーボ型絶対変位・速度センサ |
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JPH01136033A (ja) * | 1987-11-22 | 1989-05-29 | Ichiyo Wada | 機械振動測定用ピックアップの信号処理回路 |
JPH02113040U (ko) * | 1989-02-25 | 1990-09-10 | ||
JP2001148342A (ja) * | 1999-11-22 | 2001-05-29 | Canon Inc | 能動的除振装置、速度センサを用いた制御装置および方法、露光装置ならびにデバイス製造方法 |
JP3899891B2 (ja) * | 2001-10-23 | 2007-03-28 | 一登 背戸 | 絶対速度・絶対変位検出方法及びその方法を用いた絶対速度・絶対変位センサ |
JP2003130629A (ja) * | 2001-10-29 | 2003-05-08 | Kayaba Ind Co Ltd | 変位計測装置及びその計測方法 |
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- 2007-08-06 JP JP2007204782A patent/JP4973373B2/ja active Active
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2008
- 2008-08-05 US US12/672,115 patent/US8418552B2/en active Active
- 2008-08-05 WO PCT/JP2008/002120 patent/WO2009019863A1/ja active Application Filing
- 2008-08-05 KR KR1020107002589A patent/KR101300024B1/ko active IP Right Grant
- 2008-08-05 NZ NZ583164A patent/NZ583164A/en unknown
- 2008-08-05 CN CN2008801020912A patent/CN101790675B/zh active Active
- 2008-08-05 EP EP08790384.5A patent/EP2177885A4/en not_active Withdrawn
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6510738B1 (en) * | 1999-08-09 | 2003-01-28 | National Science Council | Device and method for measuring vibration |
JP2004251666A (ja) * | 2003-02-18 | 2004-09-09 | Kazuto Sedo | サーボ型絶対変位・速度センサ |
Also Published As
Publication number | Publication date |
---|---|
EP2177885A1 (en) | 2010-04-21 |
US20110203377A1 (en) | 2011-08-25 |
EP2177885A4 (en) | 2016-10-26 |
US8418552B2 (en) | 2013-04-16 |
NZ583164A (en) | 2011-08-26 |
JP2009041954A (ja) | 2009-02-26 |
KR20100069641A (ko) | 2010-06-24 |
JP4973373B2 (ja) | 2012-07-11 |
CN101790675A (zh) | 2010-07-28 |
CN101790675B (zh) | 2013-07-24 |
WO2009019863A1 (ja) | 2009-02-12 |
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