JPS6472021A - Torque detecting device - Google Patents
Torque detecting deviceInfo
- Publication number
- JPS6472021A JPS6472021A JP11246587A JP11246587A JPS6472021A JP S6472021 A JPS6472021 A JP S6472021A JP 11246587 A JP11246587 A JP 11246587A JP 11246587 A JP11246587 A JP 11246587A JP S6472021 A JPS6472021 A JP S6472021A
- Authority
- JP
- Japan
- Prior art keywords
- patterns
- shaft
- output
- output value
- measured
- Prior art date
- Legal status (The legal status 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 status listed.)
- Pending
Links
Landscapes
- Optical Transform (AREA)
Abstract
PURPOSE:To correct variation in signal output with the temperature of an optical system, etc., by forming out-of-phase detection patterns on two optical grating plates on a shaft to be measured and outputting two kinds of signals, and calculating the difference from an initial output value. CONSTITUTION:Rotary slits 16 and 18 made of transparent glass plates are fixed on the shaft 10 to be measured and black detection patterns A and B consisting of radial stripes and A' and B' symmetrical with them are formed. The respective patterns of the slits shift in pitch. When the shaft 10 is twisted, the patterns A and B, and A' and B' are displaced relatively and the patterns A and A' and B and B' generate output voltages vA and vB corresponding to the quantities of applied torque. Then the ideal output characteristics of those output voltages are calculated and stored in the memory of a microcomputer. Then the outputs of waveforms vA and vB which vary momentarily are monitored at the current point and the current output values are corrected according to variations of the maximum and minimum value between the initial output value and current output value to find vA' and vB', thereby finding the torque from them.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11246587A JPS6472021A (en) | 1987-05-11 | 1987-05-11 | Torque detecting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11246587A JPS6472021A (en) | 1987-05-11 | 1987-05-11 | Torque detecting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6472021A true JPS6472021A (en) | 1989-03-16 |
Family
ID=14587320
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11246587A Pending JPS6472021A (en) | 1987-05-11 | 1987-05-11 | Torque detecting device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6472021A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19510604A1 (en) * | 1995-03-23 | 1996-02-08 | Daimler Benz Ag | Sensor for optical measuring of torque depending on relative rotation of ends |
| DE19932965A1 (en) * | 1999-07-14 | 2001-01-25 | Siemens Ag | Optical rotational moment sensor for a rotating shaft, comprises a scale unit, a detection unit, and an evaluation unit. |
| CN100387955C (en) * | 2005-06-07 | 2008-05-14 | 浙江工业大学 | Grating torque transducer |
| WO2021204478A1 (en) * | 2020-04-07 | 2021-10-14 | Asml Netherlands B.V. | Differential measurement system |
-
1987
- 1987-05-11 JP JP11246587A patent/JPS6472021A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19510604A1 (en) * | 1995-03-23 | 1996-02-08 | Daimler Benz Ag | Sensor for optical measuring of torque depending on relative rotation of ends |
| DE19932965A1 (en) * | 1999-07-14 | 2001-01-25 | Siemens Ag | Optical rotational moment sensor for a rotating shaft, comprises a scale unit, a detection unit, and an evaluation unit. |
| CN100387955C (en) * | 2005-06-07 | 2008-05-14 | 浙江工业大学 | Grating torque transducer |
| WO2021204478A1 (en) * | 2020-04-07 | 2021-10-14 | Asml Netherlands B.V. | Differential measurement system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US4602515A (en) | Torque measurement apparatus containing embedded data structure and related method | |
| US4488443A (en) | Expanded range monopole torque measuring system | |
| KR880013015A (en) | Rotation angle detection method and device | |
| US4078232A (en) | Optical analog to digital converter | |
| JPS6472021A (en) | Torque detecting device | |
| JP3203909B2 (en) | A / D converter | |
| JPS61189415A (en) | Scale for measuring absolute position | |
| EP0166699B1 (en) | Circuit for detecting the passage through zero of the signal generated by an electromagnetic sensor of the phonic wheel type | |
| JPS6465415A (en) | Multiple rotation type absolute value encoder | |
| US3886787A (en) | Method of and apparatus for measuring physical quantities of a rotating body | |
| SU1101695A1 (en) | Device for measuring torque and power | |
| FR2344816A1 (en) | Consective values recording device - has comparator detecting signal crossings of reference steps, and changes steps at each crossing | |
| SU1285383A1 (en) | Method of determining physical quantities | |
| SU415814A1 (en) | ||
| SU1478333A1 (en) | Frequency transducer characteristic linearizer | |
| SU1241142A1 (en) | Frequency discriminator | |
| SU1051696A1 (en) | Device for determining moments of extremum occurance | |
| SU705360A1 (en) | Digital central frequency meter | |
| SU1042056A1 (en) | Angular speed digital meter | |
| SU949813A1 (en) | Converter of differential sensor signal to code | |
| SU761961A1 (en) | Digital milliteslameter | |
| SU1474444A2 (en) | Device for measuring non-electric variables | |
| SU1456766A1 (en) | Non-contact device for measuring parameters of rotating object | |
| SU1091038A1 (en) | Photoelectric dynamometer of torque | |
| JPS6415622A (en) | Measuring method for temperature |