JPS5445180A - Measuring method of speeds - Google Patents

Measuring method of speeds

Info

Publication number
JPS5445180A
JPS5445180A JP11202077A JP11202077A JPS5445180A JP S5445180 A JPS5445180 A JP S5445180A JP 11202077 A JP11202077 A JP 11202077A JP 11202077 A JP11202077 A JP 11202077A JP S5445180 A JPS5445180 A JP S5445180A
Authority
JP
Japan
Prior art keywords
timer
measuring instrument
arithmetic unit
distance
speed
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
JP11202077A
Other languages
Japanese (ja)
Inventor
Nobuaki Fujii
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.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi 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 Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Priority to JP11202077A priority Critical patent/JPS5445180A/en
Publication of JPS5445180A publication Critical patent/JPS5445180A/en
Pending legal-status Critical Current

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  • Measurement Of Unknown Time Intervals (AREA)

Abstract

PURPOSE: To perform highly accurate measurement in a short time without increasing the accuracy of the measuring instrument by adding an interrupt function to an arithmetic unit and a timer.
CONSTITUTION: A measuring instrument 1 and a timer 5 which permits setting of arbitraty time by an arithmetic unit 4 and has an interruption request function is connected to the arithmetic unit 4 which has an inerruption accept function. Then, the arithmetic unit 4 detects the change condition of the speed reference value of the drive system, and if there is any change, it calculates such measurement time at which a constant distance may be measured irrespective of that speed and se the timer 5 at the value correspoinding to that distance and speed and starts the timer. At the same time, it also resets and starts the measuring instrument 1. On the other hand, if there is interruption from the timer 5, an interruption processing program is execured, in which the distance is read out from the measuring instrument 1 and the reading-out of the speed corresponding to that distance is performed
COPYRIGHT: (C)1979,JPO&Japio
JP11202077A 1977-09-16 1977-09-16 Measuring method of speeds Pending JPS5445180A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11202077A JPS5445180A (en) 1977-09-16 1977-09-16 Measuring method of speeds

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11202077A JPS5445180A (en) 1977-09-16 1977-09-16 Measuring method of speeds

Publications (1)

Publication Number Publication Date
JPS5445180A true JPS5445180A (en) 1979-04-10

Family

ID=14575964

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11202077A Pending JPS5445180A (en) 1977-09-16 1977-09-16 Measuring method of speeds

Country Status (1)

Country Link
JP (1) JPS5445180A (en)

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