WO2008081573A1 - 磁歪式トルクセンサ及びトルク検出方法 - Google Patents

磁歪式トルクセンサ及びトルク検出方法 Download PDF

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Publication number
WO2008081573A1
WO2008081573A1 PCT/JP2007/001431 JP2007001431W WO2008081573A1 WO 2008081573 A1 WO2008081573 A1 WO 2008081573A1 JP 2007001431 W JP2007001431 W JP 2007001431W WO 2008081573 A1 WO2008081573 A1 WO 2008081573A1
Authority
WO
WIPO (PCT)
Prior art keywords
torque
oscillation
magnetostriction
oscillation waves
counting
Prior art date
Application number
PCT/JP2007/001431
Other languages
English (en)
French (fr)
Inventor
Kazuhiro Yamakawa
Tetsuo Kanda
Original Assignee
Azuma Systems Co., Ltd.
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 Azuma Systems Co., Ltd. filed Critical Azuma Systems Co., Ltd.
Priority to DE112007003215T priority Critical patent/DE112007003215T5/de
Priority to US12/448,247 priority patent/US7997152B2/en
Priority to JP2008529394A priority patent/JP4222574B2/ja
Publication of WO2008081573A1 publication Critical patent/WO2008081573A1/ja

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L3/00—Measuring torque, work, mechanical power, or mechanical efficiency, in general
    • G01L3/02—Rotary-transmission dynamometers
    • G01L3/04—Rotary-transmission dynamometers wherein the torque-transmitting element comprises a torsionally-flexible shaft
    • G01L3/10—Rotary-transmission dynamometers wherein the torque-transmitting element comprises a torsionally-flexible shaft involving electric or magnetic means for indicating
    • G01L3/101—Rotary-transmission dynamometers wherein the torque-transmitting element comprises a torsionally-flexible shaft involving electric or magnetic means for indicating involving magnetic or electromagnetic means
    • G01L3/102—Rotary-transmission dynamometers wherein the torque-transmitting element comprises a torsionally-flexible shaft involving electric or magnetic means for indicating involving magnetic or electromagnetic means involving magnetostrictive means
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L3/00—Measuring torque, work, mechanical power, or mechanical efficiency, in general
    • G01L3/02—Rotary-transmission dynamometers
    • G01L3/04—Rotary-transmission dynamometers wherein the torque-transmitting element comprises a torsionally-flexible shaft
    • G01L3/10—Rotary-transmission dynamometers wherein the torque-transmitting element comprises a torsionally-flexible shaft involving electric or magnetic means for indicating
    • G01L3/101—Rotary-transmission dynamometers wherein the torque-transmitting element comprises a torsionally-flexible shaft involving electric or magnetic means for indicating involving magnetic or electromagnetic means
    • G01L3/105—Rotary-transmission dynamometers wherein the torque-transmitting element comprises a torsionally-flexible shaft involving electric or magnetic means for indicating involving magnetic or electromagnetic means involving inductive means

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Power Steering Mechanism (AREA)
  • Force Measurement Appropriate To Specific Purposes (AREA)
  • Electronic Switches (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
  • Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
  • Transmission And Conversion Of Sensor Element Output (AREA)

Abstract

　磁歪式トルクセンサの検出精度を向上させる。 　第一発振回路２から出力される複数の発振波をカウントし、該カウント数が所定数Ｎに達したか否かを判断する発振波カウント処理を行い、該発振波カウント処理に要した時間にもとづいて、第一方向の透磁率変化を検出すると共に、第二発振回路３から出力される複数の発振波をカウントし、該カウント数が所定数Ｎに達したか否かを判断する発振波カウント処理を行い、該発振波カウント処理に要した時間にもとづいて、第二方向の透磁率変化を検出し、第一方向の透磁率と第二方向の透磁率との差分にもとづいて、回転軸Ｓのトルクを検出する。
PCT/JP2007/001431 2007-01-02 2007-12-19 磁歪式トルクセンサ及びトルク検出方法 WO2008081573A1 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
DE112007003215T DE112007003215T5 (de) 2007-01-02 2007-12-19 Magnetostriktiver Drehmomentsensor und Drehmomentermittlungsverfahren
US12/448,247 US7997152B2 (en) 2007-01-02 2007-12-19 Magnetostrictive torque sensor and torque detection method
JP2008529394A JP4222574B2 (ja) 2007-01-02 2007-12-19 磁歪式トルクセンサ及びトルク検出方法

Applications Claiming Priority (8)

Application Number Priority Date Filing Date Title
JP2007000007 2007-01-02
JP2007-000007 2007-01-02
JP2007019347 2007-01-30
JP2007-019347 2007-01-30
JP2007125457 2007-05-10
JP2007-125457 2007-05-10
JP2007165721 2007-06-24
JP2007-165721 2007-06-24

Publications (1)

Publication Number Publication Date
WO2008081573A1 true WO2008081573A1 (ja) 2008-07-10

Family

ID=39588261

Family Applications (2)

Application Number Title Priority Date Filing Date
PCT/JP2007/001429 WO2008081571A1 (ja) 2007-01-02 2007-12-19 金属状態検出装置及び金属状態検出方法
PCT/JP2007/001431 WO2008081573A1 (ja) 2007-01-02 2007-12-19 磁歪式トルクセンサ及びトルク検出方法

Family Applications Before (1)

Application Number Title Priority Date Filing Date
PCT/JP2007/001429 WO2008081571A1 (ja) 2007-01-02 2007-12-19 金属状態検出装置及び金属状態検出方法

Country Status (4)

Country Link
US (1) US7997152B2 (ja)
JP (2) JP4222574B2 (ja)
DE (1) DE112007003215T5 (ja)
WO (2) WO2008081571A1 (ja)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2559986B1 (en) * 2011-06-21 2016-04-06 NSK Ltd. Torque detection device, and electric power steering device
CN102937408B (zh) * 2012-11-20 2014-12-10 张伟 磁致伸缩自校准测距仪
DE102014204010A1 (de) * 2014-03-05 2015-09-10 Schaeffler Technologies AG & Co. KG Anordnung zum Messen einer Kraft oder eines Momentes an einem hohlzylinderförmigen Maschinenelement
US10295618B2 (en) * 2014-09-19 2019-05-21 Hitachi Metals, Ltd. Magnetic permeability sensor and magnetic permeability detecting method, dielectric permittivity sensor and dielectric permittivity detecting method, and magnetic permeability and dielectric permittivity sensor and magnetic permeability and dielectric permittivity detecting method
CN107884099B (zh) 2016-09-30 2020-08-11 通用电气公司 校正装置、校正方法及测量系统
JP7076505B2 (ja) * 2020-07-17 2022-05-27 シナノケンシ株式会社 トルク検出センサ用コア及びトルク検出センサ
JP2022019090A (ja) * 2020-07-17 2022-01-27 シナノケンシ株式会社 トルク検出センサ

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0178432U (ja) * 1987-11-17 1989-05-26
JPH0281434U (ja) * 1988-12-09 1990-06-22
JP2002148003A (ja) * 2000-11-07 2002-05-22 Omron Corp 近接センサ

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Publication number Priority date Publication date Assignee Title
JPS61260321A (ja) * 1985-05-14 1986-11-18 Wacom Co Ltd 位置検出装置
JPS6221940A (ja) 1985-07-19 1987-01-30 株式会社　共立ハウジング 木造軸組プレハブの外郭建築工法
JPS6273247A (ja) 1985-09-27 1987-04-03 Canon Inc カメラの電動駆動装置
JPH0646452B2 (ja) 1987-09-21 1994-06-15 富士写真フイルム株式会社 磁気テープクリーニング装置
JPH0281434A (ja) 1988-09-19 1990-03-22 Hitachi Ltd プラズマ処理装置
US5280729A (en) * 1991-04-30 1994-01-25 Nissan Motor Co., Ltd. Magnetostrictive torque detecting apparatus
JPH06273247A (ja) 1993-03-24 1994-09-30 Omron Corp 磁歪式応力センサ
JP3252004B2 (ja) 1993-01-24 2002-01-28 一郎 笹田 磁歪式トルクセンサ
JPH0783769A (ja) 1993-09-17 1995-03-31 Matsushita Electric Ind Co Ltd トルクセンサとその作製方法
JPH07316658A (ja) * 1994-05-30 1995-12-05 Unisia Jecs Corp 磁歪シャフトの製造方法
US5526704A (en) * 1994-11-01 1996-06-18 Unisia Jecs Corporation Structure of magnetostrictive torque sensor applicable to sensor for detecting torque applied to rotatable shaft
KR100500560B1 (ko) * 1997-03-28 2005-07-12 만네스만 파우데오 아게 자기탄성 트랜스듀서 제조 방법
JPH1137863A (ja) 1997-07-23 1999-02-12 Aisin Seiki Co Ltd 磁歪式トルクセンサの磁歪膜の製造方法
JP2000234967A (ja) * 1999-02-15 2000-08-29 Showa Corp トルクセンサの出力装置
JP2001133337A (ja) 1999-11-01 2001-05-18 Honda Motor Co Ltd 磁歪式トルクセンサ及び磁歪式トルクセンサを搭載した電動パワーステアリング装置
JP4292967B2 (ja) * 2003-12-05 2009-07-08 日立電線株式会社 磁歪式トルクセンサ
JP2005208008A (ja) 2004-01-26 2005-08-04 Hitachi Ltd トルクセンサ
JP5081483B2 (ja) * 2007-04-03 2012-11-28 本田技研工業株式会社 磁歪式トルクセンサの製造方法

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0178432U (ja) * 1987-11-17 1989-05-26
JPH0281434U (ja) * 1988-12-09 1990-06-22
JP2002148003A (ja) * 2000-11-07 2002-05-22 Omron Corp 近接センサ

Also Published As

Publication number Publication date
JP4222574B2 (ja) 2009-02-12
US7997152B2 (en) 2011-08-16
WO2008081571A1 (ja) 2008-07-10
DE112007003215T5 (de) 2009-11-26
US20100101336A1 (en) 2010-04-29
JPWO2008081571A1 (ja) 2010-04-30
JPWO2008081573A1 (ja) 2010-04-30

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