JPS55106314A - Signal processor for karman sensor - Google Patents

Signal processor for karman sensor

Info

Publication number
JPS55106314A
JPS55106314A JP1279279A JP1279279A JPS55106314A JP S55106314 A JPS55106314 A JP S55106314A JP 1279279 A JP1279279 A JP 1279279A JP 1279279 A JP1279279 A JP 1279279A JP S55106314 A JPS55106314 A JP S55106314A
Authority
JP
Japan
Prior art keywords
kalman
correction
signal
sensor
value
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
Application number
JP1279279A
Other languages
English (en)
Inventor
Kuniaki Sawamoto
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nissan Motor Co Ltd
Original Assignee
Nissan Motor Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Nissan Motor Co Ltd filed Critical Nissan Motor Co Ltd
Priority to JP1279279A priority Critical patent/JPS55106314A/ja
Publication of JPS55106314A publication Critical patent/JPS55106314A/ja
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
    • G01F1/05—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects
    • G01F1/20—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects by detection of dynamic effects of the flow
    • G01F1/32—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects by detection of dynamic effects of the flow using swirl flowmeters
    • G01F1/325—Means for detecting quantities used as proxy variables for swirl
    • G01F1/3287—Means for detecting quantities used as proxy variables for swirl circuits therefor

Landscapes

  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Combined Controls Of Internal Combustion Engines (AREA)
JP1279279A 1979-02-08 1979-02-08 Signal processor for karman sensor Pending JPS55106314A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1279279A JPS55106314A (en) 1979-02-08 1979-02-08 Signal processor for karman sensor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1279279A JPS55106314A (en) 1979-02-08 1979-02-08 Signal processor for karman sensor

Publications (1)

Publication Number Publication Date
JPS55106314A true JPS55106314A (en) 1980-08-15

Family

ID=11815241

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1279279A Pending JPS55106314A (en) 1979-02-08 1979-02-08 Signal processor for karman sensor

Country Status (1)

Country Link
JP (1) JPS55106314A (ja)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4457166A (en) * 1981-07-03 1984-07-03 Nissan Motor Company Limited Engine intake air flow measuring apparatus
JPS60209641A (ja) * 1984-03-31 1985-10-22 Fujitsu Ten Ltd 内燃機関の燃料噴射装置
JPS6217619A (ja) * 1985-07-16 1987-01-26 Toyota Motor Corp カルマン渦センサの出力信号処理装置
JPS6254125A (ja) * 1985-09-03 1987-03-09 Toyota Motor Corp カルマン渦センサの出力信号処理装置
US4809558A (en) * 1987-02-27 1989-03-07 Itt Corporation Method and apparatus for use with vortex flowmeters

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4457166A (en) * 1981-07-03 1984-07-03 Nissan Motor Company Limited Engine intake air flow measuring apparatus
JPS60209641A (ja) * 1984-03-31 1985-10-22 Fujitsu Ten Ltd 内燃機関の燃料噴射装置
JPS6217619A (ja) * 1985-07-16 1987-01-26 Toyota Motor Corp カルマン渦センサの出力信号処理装置
JPS6254125A (ja) * 1985-09-03 1987-03-09 Toyota Motor Corp カルマン渦センサの出力信号処理装置
US4809558A (en) * 1987-02-27 1989-03-07 Itt Corporation Method and apparatus for use with vortex flowmeters

Similar Documents

Publication Publication Date Title
JPS55106314A (en) Signal processor for karman sensor
JPS5428669A (en) Noise measuring circuit
JPS5698613A (en) Fuel control device
JPS5522131A (en) Timing meter
JPS5570717A (en) Flow measuring method
JPS55109921A (en) Flow rate measuring instrument
JPS5684556A (en) Electronic speed meter with circuit for compensating speed of vehicle
JPS5623024A (en) Frequency multiplication circuit
JPS5690278A (en) Digital rate meter
JPS5658622A (en) Correcting method for instrumental error of flowmeter
JPS54148353A (en) Frequency multiplying circuit
SU728492A1 (ru) Устройство дл измерени разности частот импульсов
JPS549977A (en) Measuring apparatus for rotational speed
JPS5496084A (en) Taxi meter for electronic combination use
JPS5458139A (en) Electronic fuel feed system
JPS5630608A (en) Measuring device
JPS5713314A (en) Digital angle detector
JPS5484138A (en) Sucked air amount detecting system and fuel control system
JPS5286758A (en) High accurate digital delay circuit
JPS5494073A (en) Fuel cost meter
JPS57207828A (en) Signal converter
JPS52135774A (en) Digital chronograph
JPS551515A (en) Flow rate count correcting device
JPS5684560A (en) Measuring device for maximum value
JPS5258572A (en) High-accuracy measuring system