JPS55154608A - Display unit for stability of process - Google Patents

Display unit for stability of process

Info

Publication number
JPS55154608A
JPS55154608A JP6343379A JP6343379A JPS55154608A JP S55154608 A JPS55154608 A JP S55154608A JP 6343379 A JP6343379 A JP 6343379A JP 6343379 A JP6343379 A JP 6343379A JP S55154608 A JPS55154608 A JP S55154608A
Authority
JP
Japan
Prior art keywords
stability
display unit
objective
deviation
lower limit
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
JP6343379A
Other languages
Japanese (ja)
Inventor
Takatoshi Nakatani
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 JP6343379A priority Critical patent/JPS55154608A/en
Publication of JPS55154608A publication Critical patent/JPS55154608A/en
Pending legal-status Critical Current

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  • Testing And Monitoring For Control Systems (AREA)

Abstract

PURPOSE:To enable to recognize the stability of process conditions easily, by comparing the present value of a process with the objective, and displaying the deviation as the relative value to upper or lower limit of the stable region of the process. CONSTITUTION:Taking the present value of a process as PV and the objective as SV, both the values are compared at a comparator 3, and the deviation, EV=SV- PV, is obtained. The stability of the process is relatively displayed from the devia- tion EV as the margin to unsafe state and as the relative value MV to the upper or lower limit of the stable region of the process. Thus, the stability of process conditions can easily be recognized.
JP6343379A 1979-05-23 1979-05-23 Display unit for stability of process Pending JPS55154608A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6343379A JPS55154608A (en) 1979-05-23 1979-05-23 Display unit for stability of process

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6343379A JPS55154608A (en) 1979-05-23 1979-05-23 Display unit for stability of process

Publications (1)

Publication Number Publication Date
JPS55154608A true JPS55154608A (en) 1980-12-02

Family

ID=13229127

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6343379A Pending JPS55154608A (en) 1979-05-23 1979-05-23 Display unit for stability of process

Country Status (1)

Country Link
JP (1) JPS55154608A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6160304U (en) * 1984-09-21 1986-04-23
JPS63131298A (en) * 1986-11-20 1988-06-03 株式会社　名機製作所 Monitoring of molding state

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6160304U (en) * 1984-09-21 1986-04-23
JPS63131298A (en) * 1986-11-20 1988-06-03 株式会社　名機製作所 Monitoring of molding state

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