KR930700830A - 동적 토르크 측정방법 및 그 장치 - Google Patents

동적 토르크 측정방법 및 그 장치

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Publication number
KR930700830A
KR930700830A KR1019920702118A KR920702118A KR930700830A KR 930700830 A KR930700830 A KR 930700830A KR 1019920702118 A KR1019920702118 A KR 1019920702118A KR 920702118 A KR920702118 A KR 920702118A KR 930700830 A KR930700830 A KR 930700830A
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KR
South Korea
Prior art keywords
signal
transducer
output
axis
rotation
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KR1019920702118A
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English (en)
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KR100199230B1 (ko
Inventor
론스데일 안토니
론스데일 브리안
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론스데일 안토니
론스데일 브리안
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Publication of KR100199230B1 publication Critical patent/KR100199230B1/ko

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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01LMEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L3/00Measuring torque, work, mechanical power, or mechanical efficiency, in general
    • G01L3/16Rotary-absorption dynamometers, e.g. of brake type
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01LMEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L1/00Measuring force or stress, in general
    • G01L1/16Measuring force or stress, in general using properties of piezoelectric devices
    • G01L1/162Measuring force or stress, in general using properties of piezoelectric devices using piezoelectric resonators
    • G01L1/165Measuring force or stress, in general using properties of piezoelectric devices using piezoelectric resonators with acoustic surface waves
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60CVEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
    • B60C23/00Devices for measuring, signalling, controlling, or distributing tyre pressure or temperature, specially adapted for mounting on vehicles; Arrangement of tyre inflating devices on vehicles, e.g. of pumps or of tanks; Tyre cooling arrangements
    • B60C23/02Signalling devices actuated by tyre pressure
    • B60C23/04Signalling devices actuated by tyre pressure mounted on the wheel or tyre
    • B60C23/0408Signalling devices actuated by tyre pressure mounted on the wheel or tyre transmitting the signals by non-mechanical means from the wheel or tyre to a vehicle body mounted receiver
    • B60C23/0422Signalling devices actuated by tyre pressure mounted on the wheel or tyre transmitting the signals by non-mechanical means from the wheel or tyre to a vehicle body mounted receiver characterised by the type of signal transmission means
    • B60C23/0427Near field transmission with inductive or capacitive coupling means
    • B60C23/0428Near field transmission with inductive or capacitive coupling means using passive wheel mounted resonance circuits
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01LMEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L3/00Measuring torque, work, mechanical power, or mechanical efficiency, in general
    • G01L3/02Rotary-transmission dynamometers
    • G01L3/04Rotary-transmission dynamometers wherein the torque-transmitting element comprises a torsionally-flexible shaft
    • G01L3/10Rotary-transmission dynamometers wherein the torque-transmitting element comprises a torsionally-flexible shaft involving electric or magnetic means for indicating
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S73/00Measuring and testing
    • Y10S73/04Piezoelectric

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Acoustics & Sound (AREA)
  • Force Measurement Appropriate To Specific Purposes (AREA)
  • Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
  • Control Of Stepping Motors (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Studio Devices (AREA)
  • Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
  • Measuring Fluid Pressure (AREA)
  • Medicines Containing Material From Animals Or Micro-Organisms (AREA)
  • Transmission And Conversion Of Sensor Element Output (AREA)

Abstract

내용 없음.

Description

동적 토르크 측정방법 및 그 장치
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 SAW 장치를 도시한 도면.
제2도는 제1도에서 도시된 것과 유사한 변환기를 한 증폭기와 결합시킨 회로도.
제3도는 제2도에서 도시된 변환기의 한 쌍을 도시한 도면.

Claims (12)

  1. a)한 쌍의 변환기(T1,T2)를 축(S)위에 위치시키며, 각각이 하나의 보조쌍으로 장착된 SAW 공진기를 포함하므로써 축(A)둘레로 축(S)의 첫번째 회전방향에 대하여 하나의 변환기(T1)가 압축을 받으며 다른 하나(72)가 긴장을 받고 축의 다른 한 회전방향에 대하여 한 변환기(T1)가 긴장을 받으며 다른 한 변환기(T2)가 압축을 받고, 각 변환기에 대하여 한 신호입력(C1)과 한 신호출력(C2,C3)을 포함하여 신호입력과 신호출력 또는 출력들이 함께 회전하기 위해 축(S)의 바깥쪽 가까이 불연속적인 위치상에 위치하는 단계, b)한 구동신호가 신호입력(C1)으로 가해지도록 하는 단계, c)구동신호에 의해 탐지되는 때 변환기(T,T1,T2)의 적어도 한 출력 공진주파수에서 신호출력(C2,C3)를 탐지하는 단계, d)각각의 또 두 변환기의 출력 공진주파수를 처리하여 축(S)에 의해 전달된 동적 토르크에 기인하여 축(S)내의 스트레인에 의해 발생된 변환기(T1,T2)내 스트레인에 대한 정보를 끌어내도록 하는 단계를 포함하는 회전축을 갖는 축에 의해 전달된 동적 토르크 측정방법.
  2. 제1항에 있어서, 한 변환기(T1)으로부터의 출력 공진주파수가 제1의 신호주파수를 제공하며 다른 한 변환기(T2)로부터의 출력 공진주파수(f1)가 제2신호주파수(f2)를 제공하고, 제1 또는 제2신호중 어느 하나 또는 모두가 혼합처리(M)이전에 처리됨(R1,R2)을 특징으로 하는 동적 토르크 측정방법.
  3. 제1항 또는 2항에 있어서, 한 신호가 신호입력(C1)으로 가해지도록 하는 단계가 유도성, 용량성 또는 저전력의 전파에 의해 신호입력에 결합된 신호전송기(P1)에 의해 수행됨을 특징으로 하는 동적 토르크 측정방법.
  4. 전술한 항중 어느한 항에 있어서, 신호출력(C2,C3)에서 탐지하는 단계가 유도성, 용량성 또는 전파수단에 의해 신호출력(C2,C3)에 결합된 신호수신기(P2,P3)에 의해 출력됨을 특징으로 하는 동적 토르크 측정방법.
  5. 한 쌍의 변환기(T1,T2)각각이 한 보조쌍으로서 축(S)상에 위치한 하나의 SAW 공진기를 포함하며 축(A)둘레로 축(S)의 첫번째 회전방향(K)에 대하여 하나의 변환기(T1)가 압축을 받으며 다른 하나(T2)가 긴장을 받고 동축의 다른 한 회전방향에 대하여 한 변환기(T1)이 긴장을 받으며 다른 한 변환기(T2)가 압축을 받고 각 변환기에 대한 하나의 신호입력(C1)과 신호출력(C2,C3)가 이들과 함께 회전하기 위한 축(S)의 바깥쪽 가까이에서 불연속적인 위치에 위치하도록 하며, 각각의 SAW공진기(T1,T2)가 한 쌍의 사이에 끼인 전극(11,12)한 측면상에 장착되는 한 압전기판(13)을 포함하고, 그 한쌍의 전극중 한 전극(11)이 신호입력(C1)에 연결되며 다른 한 전극(12)이 신호출력(C2)에 연결되고, 예정된 일정한 주파수로 한 입력신호를 신호입력(C1)으로 가하기 위한 한 발생기(A1,A2), 신호출력(C2,C3)에서 한 신호가 탐지하기 위한 모니터(M), 그리고 한 신호 처리기(MP)를 포함하므로써 기판(13)으로 가해진 스트레인으로부터 발생되는 출력신호의 변화가 밝혀질 수 있도록 함을 특징으로 하는 회전축을 갖는 한 축에 의해 전달된 동적 토르크 측정장치.
  6. 제5항에 있어서, 신호입력(C1)으로 한 신호를 가하기 위한 수단이 유도성, 용량성 또는 전파수단에 의해 신호입력(C1)으로 결합된 한 신호전송기(P1)을 포함함을 특징으로 하는 동적 토르크 측정장치.
  7. 제5항 또는 6항에 있어서, 신호출력(C2,C3)에서 탐지를 위한 수단이 유도성, 용량성 또는 전파수단에 의해서 신호출력으로 결합된 한 신호수신기(P2,P3)를 포함함을 특징으로 하는 동적 토르크 측정장치.
  8. 제5항, 6항 또는 7항에 있어서, 신호처리수단(M)이 한 변환기(T1)으로부터 출력 공진주파수(F1)를 수신하고 다른 한 변환기(T2)로부터 출력 공진주파수(F2)를 수신하며 수신된 두 신호를 혼합하여 두 신호(F1, F2)로 부터 유도된 한 혼합신호를 제공하도록 하는 동적 토르크 측정장치.
  9. 제6항에 있어서, 신호처리수단(M)이 신호출력으로서 변환기 쌍(T1,T2)의 출력으로부터 유도된 한 합계가 차이신호를 제공하며, 차이신호가 측정된 토르크의 함수이고 합계신호는 변환기 영역에서의 주위온도의 함수임을 특징으로 하는 동적 토르크 측정장치.
  10. 제9항에 있어서, 차이신호와 합계신호가 한 공동 처리기(MP)로 공급됨을 특징으로 하는 동적 토르크 측정장치.
  11. 제5항에 있어서, 변환기(P1,P2), 발생기(93,94), 그리고 한 믹서(P5)가 축의 토르크가 측정되어질 한 축상에 장착시키기 위한 하나의 유닛으로 패키지되고, 각 변환기로부터의 신호출력이 믹서에 의해 혼합되며 그 뒤에 한 공동출력 유닛(97)로 공급되어 그 유닛으로부터 전송하도록 함을 특징으로 하는 동적 토르크 측정 장치.
  12. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019920702118A 1990-03-03 1991-03-04 동적 토르크 측정방법 및 그 장치 KR100199230B1 (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB9004822.4 1990-03-03
GB909004822A GB9004822D0 (en) 1990-03-03 1990-03-03 Method and apparatus for measuring torque
PCT/GB1991/000328 WO1991013832A2 (en) 1990-03-03 1991-03-04 Method and apparatus for measuring strain

Publications (2)

Publication Number Publication Date
KR930700830A true KR930700830A (ko) 1993-03-16
KR100199230B1 KR100199230B1 (ko) 1999-06-15

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Country Link
US (1) US5585571A (ko)
EP (1) EP0518900B1 (ko)
JP (1) JP3108881B2 (ko)
KR (1) KR100199230B1 (ko)
AT (1) ATE156262T1 (ko)
AU (1) AU655764B2 (ko)
BR (1) BR9106101A (ko)
CA (1) CA2077085A1 (ko)
DE (1) DE69127074T2 (ko)
DK (1) DK0518900T3 (ko)
GB (1) GB9004822D0 (ko)
WO (1) WO1991013832A2 (ko)

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US5585571A (en) 1996-12-17
ATE156262T1 (de) 1997-08-15
DE69127074D1 (de) 1997-09-04
EP0518900A1 (en) 1992-12-23
EP0518900B1 (en) 1997-07-30
JP3108881B2 (ja) 2000-11-13
BR9106101A (pt) 1993-02-24
WO1991013832A3 (en) 1991-10-31
AU655764B2 (en) 1995-01-12
DK0518900T3 (da) 1998-03-09
WO1991013832A2 (en) 1991-09-19
DE69127074T2 (de) 1998-01-22
JPH05506504A (ja) 1993-09-22
KR100199230B1 (ko) 1999-06-15
CA2077085A1 (en) 1991-09-04
GB9004822D0 (en) 1990-04-25
AU7334191A (en) 1991-10-10

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