JPH0415912B2 - - Google Patents
Info
- Publication number
- JPH0415912B2 JPH0415912B2 JP8230084A JP8230084A JPH0415912B2 JP H0415912 B2 JPH0415912 B2 JP H0415912B2 JP 8230084 A JP8230084 A JP 8230084A JP 8230084 A JP8230084 A JP 8230084A JP H0415912 B2 JPH0415912 B2 JP H0415912B2
- Authority
- JP
- Japan
- Prior art keywords
- interrupt
- vehicle speed
- pulse
- processing
- time
- 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.)
- Expired
Links
- 238000000034 method Methods 0.000 claims description 39
- 238000012545 processing Methods 0.000 claims description 39
- 230000008569 process Effects 0.000 claims description 35
- 238000001514 detection method Methods 0.000 claims description 11
- 230000008859 change Effects 0.000 claims description 9
- 230000000873 masking effect Effects 0.000 claims description 5
- 230000008570 general process Effects 0.000 claims 2
- 230000003111 delayed effect Effects 0.000 claims 1
- 244000145845 chattering Species 0.000 description 14
- 238000010586 diagram Methods 0.000 description 6
- 235000014676 Phragmites communis Nutrition 0.000 description 5
- 230000008901 benefit Effects 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005070 sampling Methods 0.000 description 2
- 238000012935 Averaging Methods 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
- G01P3/00—Measuring linear or angular speed; Measuring differences of linear or angular speeds
- G01P3/42—Devices characterised by the use of electric or magnetic means
- G01P3/44—Devices characterised by the use of electric or magnetic means for measuring angular speed
- G01P3/48—Devices characterised by the use of electric or magnetic means for measuring angular speed by measuring frequency of generated current or voltage
- G01P3/481—Devices characterised by the use of electric or magnetic means for measuring angular speed by measuring frequency of generated current or voltage of pulse signals
- G01P3/489—Digital circuits therefor
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Frequencies, Analyzing Spectra (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8230084A JPS60225067A (ja) | 1984-04-24 | 1984-04-24 | 車速検出方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8230084A JPS60225067A (ja) | 1984-04-24 | 1984-04-24 | 車速検出方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS60225067A JPS60225067A (ja) | 1985-11-09 |
| JPH0415912B2 true JPH0415912B2 (en]) | 1992-03-19 |
Family
ID=13770698
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8230084A Granted JPS60225067A (ja) | 1984-04-24 | 1984-04-24 | 車速検出方法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60225067A (en]) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2888687B1 (fr) | 2005-07-13 | 2007-10-12 | Siemens Vdo Automotive Sas | Dispositif de filtrage d'un signal et procede correspondant |
| JP2008185493A (ja) * | 2007-01-31 | 2008-08-14 | Shindengen Electric Mfg Co Ltd | エンジン回転数算出装置 |
| JP2010169555A (ja) * | 2009-01-23 | 2010-08-05 | Sanyo Electric Co Ltd | パルス周期計測方法 |
| FR3067888B1 (fr) * | 2017-06-14 | 2019-06-28 | Safran Aircraft Engines | Procede de traitement d'un signal de vitesse de rotation d'un arbre de moteur d'aeronef affecte par du bruit |
-
1984
- 1984-04-24 JP JP8230084A patent/JPS60225067A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS60225067A (ja) | 1985-11-09 |
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