JPS56150362A - Measuring device of pulse quantity - Google Patents

Measuring device of pulse quantity

Info

Publication number
JPS56150362A
JPS56150362A JP5469380A JP5469380A JPS56150362A JP S56150362 A JPS56150362 A JP S56150362A JP 5469380 A JP5469380 A JP 5469380A JP 5469380 A JP5469380 A JP 5469380A JP S56150362 A JPS56150362 A JP S56150362A
Authority
JP
Japan
Prior art keywords
time constant
time
output value
indicator
cpu2
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
JP5469380A
Other languages
Japanese (ja)
Inventor
Terumi Tottori
Hiroyuki Honda
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.)
Yokogawa Electric Corp
Original Assignee
Hokushin Electric Works Ltd
Yokogawa Hokushin Electric Corp
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 Hokushin Electric Works Ltd, Yokogawa Hokushin Electric Corp filed Critical Hokushin Electric Works Ltd
Priority to JP5469380A priority Critical patent/JPS56150362A/en
Publication of JPS56150362A publication Critical patent/JPS56150362A/en
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R23/00—Arrangements for measuring frequencies; Arrangements for analysing frequency spectra
    • G01R23/02—Arrangements for measuring frequency, e.g. pulse repetition rate; Arrangements for measuring period of current or voltage

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measurement Of Current Or Voltage (AREA)

Abstract

PURPOSE:To make the control characteristic of a control system best by determining a time constant based on the maximum pulse rate having been set and making filter operation by using this time constant. CONSTITUTION:A CPU2 reads the maximum pulse rate Fm having been set with a setting means 9, and beforehand obtains an optimum time constant T by making operation by using the program of an ROM3 with the Fm as data. The CPU2 also reads the pulse quantity generated at a flow rate detecting end 7 according to a sampling period Ts. With the thus read pulse input value Un, as well as the time constant T, the period Ts and the output value Xn of this time calculated in the previous time as data, it makes operation by using a filter operation program and calculates the next output value Xn+1. In the next time, this output value is outputted to an output circuit 6. The circuit 6 makes D/A conversion of this outputs and sends this to an indicator 8, thereby driving the indicating pointer of the indicator 8.
JP5469380A 1980-04-24 1980-04-24 Measuring device of pulse quantity Pending JPS56150362A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5469380A JPS56150362A (en) 1980-04-24 1980-04-24 Measuring device of pulse quantity

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5469380A JPS56150362A (en) 1980-04-24 1980-04-24 Measuring device of pulse quantity

Publications (1)

Publication Number Publication Date
JPS56150362A true JPS56150362A (en) 1981-11-20

Family

ID=12977872

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5469380A Pending JPS56150362A (en) 1980-04-24 1980-04-24 Measuring device of pulse quantity

Country Status (1)

Country Link
JP (1) JPS56150362A (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52134346A (en) * 1976-05-04 1977-11-10 Combustion Eng Storage device

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52134346A (en) * 1976-05-04 1977-11-10 Combustion Eng Storage device

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