JP4519183B2 - Ab相信号発生器、rdコンバータ及び角度検出装置 - Google Patents
Ab相信号発生器、rdコンバータ及び角度検出装置 Download PDFInfo
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- JP4519183B2 JP4519183B2 JP2008176667A JP2008176667A JP4519183B2 JP 4519183 B2 JP4519183 B2 JP 4519183B2 JP 2008176667 A JP2008176667 A JP 2008176667A JP 2008176667 A JP2008176667 A JP 2008176667A JP 4519183 B2 JP4519183 B2 JP 4519183B2
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- angle
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- 238000001514 detection method Methods 0.000 title claims description 18
- 230000005284 excitation Effects 0.000 claims description 8
- 238000000034 method Methods 0.000 description 4
- 230000003247 decreasing effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
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Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
- G01D5/12—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means
- G01D5/244—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing characteristics of pulses or pulse trains; generating pulses or pulse trains
- G01D5/24471—Error correction
- G01D5/24476—Signal processing
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M1/00—Analogue/digital conversion; Digital/analogue conversion
- H03M1/12—Analogue/digital converters
- H03M1/48—Servo-type converters
- H03M1/485—Servo-type converters for position encoding, e.g. using resolvers or synchros
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- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Transmission And Conversion Of Sensor Element Output (AREA)
- Power Conversion In General (AREA)
- Rectifiers (AREA)
Description
図1はこの発明によるAB相信号発生器の一実施例の構成をレゾルバ、励磁信号発生器及び角度算出部と共に示したものである。
Claims (3)
- 一定周期毎に、アップカウント指令によってアップカウントもしくはダウンカウント指令によってダウンカウントを行うアップダウンカウンタと、
前記アップダウンカウンタのカウント結果と入力データの大きさを比較して、アップカウント要求もしくはダウンカウント要求のいずれかのカウント要求を生成するデータ比較処理部と、
前記データ比較処理部で生成された前周期のカウント要求と、前記データ比較処理部で生成された今周期のカウント要求とを比較し、同じカウント要求が継続した場合に前記アップカウント指令もしくはダウンカウント指令を生成するカウント要求比較部と、
前記アップダウンカウンタの下位2ビットの信号を入力して、A相パルス信号及びB相パルス信号を出力するAB相パルス生成回路とを具備することを特徴とするAB相信号発生器。 - レゾルバより得られる2相の検出信号をディジタル変換して角度データを算出する角度算出部と、
前記角度データが前記入力データとして入力される請求項1記載のAB相信号発生器とを備えることを特徴とするRDコンバータ。 - 2相の検出信号を出力するレゾルバと、
請求項2記載のRDコンバータと、
前記レゾルバに励磁信号を供給する励磁信号発生器とを備えることを特徴とする角度検出装置。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2008176667A JP4519183B2 (ja) | 2008-07-07 | 2008-07-07 | Ab相信号発生器、rdコンバータ及び角度検出装置 |
US12/495,763 US7973583B2 (en) | 2008-07-07 | 2009-06-30 | A/B-phase signal generator, RD converter and angle detection unit |
EP09008759.4A EP2144041B1 (en) | 2008-07-07 | 2009-07-03 | A/B phase signal generator, RD converter, and angle detection unit |
CA2671172A CA2671172C (en) | 2008-07-07 | 2009-07-03 | A/b-phase signal generator, rd converter, and angle detection unit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2008176667A JP4519183B2 (ja) | 2008-07-07 | 2008-07-07 | Ab相信号発生器、rdコンバータ及び角度検出装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2010014643A JP2010014643A (ja) | 2010-01-21 |
JP4519183B2 true JP4519183B2 (ja) | 2010-08-04 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2008176667A Active JP4519183B2 (ja) | 2008-07-07 | 2008-07-07 | Ab相信号発生器、rdコンバータ及び角度検出装置 |
Country Status (4)
Country | Link |
---|---|
US (1) | US7973583B2 (ja) |
EP (1) | EP2144041B1 (ja) |
JP (1) | JP4519183B2 (ja) |
CA (1) | CA2671172C (ja) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102011079961A1 (de) | 2011-07-28 | 2013-01-31 | Dr. Johannes Heidenhain Gmbh | Vorrichtung und Verfahren zur Winkelmessung |
JP2019207184A (ja) * | 2018-05-30 | 2019-12-05 | ルネサスエレクトロニクス株式会社 | パルス信号生成器及びそれを備えた角度検出システム |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS62233718A (ja) * | 1986-04-04 | 1987-10-14 | Yaskawa Electric Mfg Co Ltd | レゾルバのパルス変換回路 |
JPH0580849A (ja) * | 1991-02-27 | 1993-04-02 | Mitsutoyo Corp | アブソリユートエンコーダ |
JPH06213679A (ja) * | 1993-01-13 | 1994-08-05 | Okuma Mach Works Ltd | 位置パルス発生器のカウンター回路 |
JP2001317962A (ja) * | 2000-05-10 | 2001-11-16 | Yaskawa Electric Corp | R/dコンバータ |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4017846A (en) * | 1973-04-02 | 1977-04-12 | Tamagawa Seiki Kabushiki Kaisha | Synchro-to-digital converter |
EP0286322B1 (en) * | 1987-04-03 | 1994-06-15 | Hitachi, Ltd. | Method and apparatus for detecting a rotation angle |
JPH0677737A (ja) * | 1992-07-08 | 1994-03-18 | Toshiba Corp | 位相検波器及びこれに用いる位相検波方式 |
US5760359A (en) * | 1995-07-31 | 1998-06-02 | Matsushita Electric Industrial Co., Ltd. | Motor control apparatus equipped with a controller for controlling rotational position of motor |
-
2008
- 2008-07-07 JP JP2008176667A patent/JP4519183B2/ja active Active
-
2009
- 2009-06-30 US US12/495,763 patent/US7973583B2/en active Active
- 2009-07-03 CA CA2671172A patent/CA2671172C/en active Active
- 2009-07-03 EP EP09008759.4A patent/EP2144041B1/en active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS62233718A (ja) * | 1986-04-04 | 1987-10-14 | Yaskawa Electric Mfg Co Ltd | レゾルバのパルス変換回路 |
JPH0580849A (ja) * | 1991-02-27 | 1993-04-02 | Mitsutoyo Corp | アブソリユートエンコーダ |
JPH06213679A (ja) * | 1993-01-13 | 1994-08-05 | Okuma Mach Works Ltd | 位置パルス発生器のカウンター回路 |
JP2001317962A (ja) * | 2000-05-10 | 2001-11-16 | Yaskawa Electric Corp | R/dコンバータ |
Also Published As
Publication number | Publication date |
---|---|
EP2144041A3 (en) | 2012-07-25 |
EP2144041B1 (en) | 2014-08-20 |
US7973583B2 (en) | 2011-07-05 |
CA2671172A1 (en) | 2010-01-07 |
EP2144041A2 (en) | 2010-01-13 |
JP2010014643A (ja) | 2010-01-21 |
CA2671172C (en) | 2012-05-29 |
US20100001778A1 (en) | 2010-01-07 |
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