JPS5769326A - Digital control system - Google Patents

Digital control system

Info

Publication number
JPS5769326A
JPS5769326A JP55142069A JP14206980A JPS5769326A JP S5769326 A JPS5769326 A JP S5769326A JP 55142069 A JP55142069 A JP 55142069A JP 14206980 A JP14206980 A JP 14206980A JP S5769326 A JPS5769326 A JP S5769326A
Authority
JP
Japan
Prior art keywords
control
processors
control cycle
cycle
timing
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
JP55142069A
Other languages
Japanese (ja)
Inventor
Kaichi Sugimoto
Daizo Iba
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.)
Hitachi Ltd
Original Assignee
Hitachi 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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP55142069A priority Critical patent/JPS5769326A/en
Publication of JPS5769326A publication Critical patent/JPS5769326A/en
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B5/00—Anti-hunting arrangements
    • G05B5/01—Anti-hunting arrangements electric

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Feedback Control In General (AREA)

Abstract

PURPOSE:To compensate the effect due to the fluctation of control cycle caused by an external function and to maintain the stability of control, by measuring the control cycle given from a timing device and giving the automatic control to the control constant of a control subject in accordance with the measured control cycle. CONSTITUTION:Control subjects 9-11 are provided corresponding to processors 2-4, respectively, and the processors 2-4 control periodically the subjects 9-11, respectively by a timing command 12 given from a timing system 1. Timing devices 5-7 are connected to the processors 2-4, respectively, and a real time condition signal 15 is supplied to the system 1 from the processors 2-4. Each of these processors fetches the commmand 12 from the system 12 in the form of an interruption signal and calculates the control gain during the control cycle by using the count value of a timer as a measurement control cycle to secure the automatic change of the control gain of the control cycle. Then the adjustment is secured for a control subject 8 by the system 1 to maintain the stability of control.
JP55142069A 1980-10-13 1980-10-13 Digital control system Pending JPS5769326A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP55142069A JPS5769326A (en) 1980-10-13 1980-10-13 Digital control system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP55142069A JPS5769326A (en) 1980-10-13 1980-10-13 Digital control system

Publications (1)

Publication Number Publication Date
JPS5769326A true JPS5769326A (en) 1982-04-28

Family

ID=15306699

Family Applications (1)

Application Number Title Priority Date Filing Date
JP55142069A Pending JPS5769326A (en) 1980-10-13 1980-10-13 Digital control system

Country Status (1)

Country Link
JP (1) JPS5769326A (en)

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