KR930700830A - 동적 토르크 측정방법 및 그 장치 - Google Patents
동적 토르크 측정방법 및 그 장치Info
- 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
- Authority
- KR
- South Korea
- Prior art keywords
- signal
- transducer
- output
- axis
- rotation
- Prior art date
Links
- 238000000691 measurement method Methods 0.000 title claims 4
- 238000000034 method Methods 0.000 claims abstract 6
- 230000001939 inductive effect Effects 0.000 claims 4
- 238000005259 measurement Methods 0.000 claims 3
- 230000001902 propagating effect Effects 0.000 claims 3
- 230000005540 biological transmission Effects 0.000 claims 1
- 238000001514 detection method Methods 0.000 claims 1
- 239000000758 substrate Substances 0.000 claims 1
- 230000006835 compression Effects 0.000 abstract 2
- 238000007906 compression Methods 0.000 abstract 2
- 230000000295 complement effect Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 1
Classifications
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- 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
- G01L3/16—Rotary-absorption dynamometers, e.g. of brake type
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L1/00—Measuring force or stress, in general
- G01L1/16—Measuring force or stress, in general using properties of piezoelectric devices
- G01L1/162—Measuring force or stress, in general using properties of piezoelectric devices using piezoelectric resonators
- G01L1/165—Measuring force or stress, in general using properties of piezoelectric devices using piezoelectric resonators with acoustic surface waves
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
- B60C23/00—Devices 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
- B60C23/02—Signalling devices actuated by tyre pressure
- B60C23/04—Signalling devices actuated by tyre pressure mounted on the wheel or tyre
- B60C23/0408—Signalling 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
- B60C23/0422—Signalling 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
- B60C23/0427—Near field transmission with inductive or capacitive coupling means
- B60C23/0428—Near field transmission with inductive or capacitive coupling means using passive wheel mounted resonance circuits
-
- 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
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- Y—GENERAL 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S73/00—Measuring and testing
- Y10S73/04—Piezoelectric
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
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)
- 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.
- 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.
- 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.
- 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.
- 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.
- 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.
- 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.
- 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.
- 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.
- 제9항에 있어서, 차이신호와 합계신호가 한 공동 처리기(MP)로 공급됨을 특징으로 하는 동적 토르크 측정장치.
- 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.
- ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
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 |
Family
ID=10671972
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019920702118A KR100199230B1 (ko) | 1990-03-03 | 1991-03-04 | 동적 토르크 측정방법 및 그 장치 |
Country Status (12)
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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GB2345755A (en) * | 1999-01-13 | 2000-07-19 | Solartron Group Ltd | Method and apparatus for torque measurement |
EP1026492A3 (de) * | 1999-02-01 | 2000-09-06 | Baumer Electric Ag | Drahtlose Drehmoment-Messeinrichtung und Sensor für dieselbe |
CN1300362A (zh) * | 1999-02-03 | 2001-06-20 | 传感技术有限公司 | 被封装的装置 |
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ATE295533T1 (de) * | 2001-10-16 | 2005-05-15 | Transense Technologies Plc | Temperaturstabiler saw sensor mit elastischen konstanten dritter ordnung |
GB0305461D0 (en) * | 2003-03-10 | 2003-04-16 | Transense Technologies Plc | Improvements in the construction of saw devices |
GB0208881D0 (en) * | 2002-04-18 | 2002-05-29 | Transense Technologies Plc | Improved method for tracking a resonant frequency |
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-
1990
- 1990-03-03 GB GB909004822A patent/GB9004822D0/en active Pending
-
1991
- 1991-03-04 AT AT91904757T patent/ATE156262T1/de not_active IP Right Cessation
- 1991-03-04 DE DE69127074T patent/DE69127074T2/de not_active Expired - Lifetime
- 1991-03-04 JP JP03505512A patent/JP3108881B2/ja not_active Expired - Lifetime
- 1991-03-04 DK DK91904757.1T patent/DK0518900T3/da active
- 1991-03-04 BR BR919106101A patent/BR9106101A/pt unknown
- 1991-03-04 AU AU73341/91A patent/AU655764B2/en not_active Ceased
- 1991-03-04 CA CA002077085A patent/CA2077085A1/en not_active Abandoned
- 1991-03-04 US US07/923,960 patent/US5585571A/en not_active Expired - Lifetime
- 1991-03-04 EP EP91904757A patent/EP0518900B1/en not_active Expired - Lifetime
- 1991-03-04 KR KR1019920702118A patent/KR100199230B1/ko not_active IP Right Cessation
- 1991-03-04 WO PCT/GB1991/000328 patent/WO1991013832A2/en active IP Right Grant
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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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