JPS5583901A - Pid automatic control method - Google Patents

Pid automatic control method

Info

Publication number
JPS5583901A
JPS5583901A JP15885478A JP15885478A JPS5583901A JP S5583901 A JPS5583901 A JP S5583901A JP 15885478 A JP15885478 A JP 15885478A JP 15885478 A JP15885478 A JP 15885478A JP S5583901 A JPS5583901 A JP S5583901A
Authority
JP
Japan
Prior art keywords
value
control method
prescribed
automatic control
smaller
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
JP15885478A
Other languages
Japanese (ja)
Inventor
Takeshi Fujisaki
Kimio Sato
Makoto Takeuchi
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.)
Jeol Ltd
Original Assignee
Jeol Ltd
Nihon Denshi KK
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 Jeol Ltd, Nihon Denshi KK filed Critical Jeol Ltd
Priority to JP15885478A priority Critical patent/JPS5583901A/en
Publication of JPS5583901A publication Critical patent/JPS5583901A/en
Pending legal-status Critical Current

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  • Feedback Control In General (AREA)

Abstract

PURPOSE: To decrease the overshoot and increase the transient response properties by adding the integrating member when the measured value enters the prescribed range of the set value.
CONSTITUTION: Control unit 4 obtains the difference, i.e., deviation e between measured value C and set value γ and then decides whether the absolute value is smaller than the prescribed value, for example, 2°C. And only when the absolute value is smaller than the prescribed value, the integrating member is added. Then operation amount m is obtained based on the PID control formula. The signal corresponding to the operation amount is sent to driving circuit 5 to control heater 2.
COPYRIGHT: (C)1980,JPO&Japio
JP15885478A 1978-12-19 1978-12-19 Pid automatic control method Pending JPS5583901A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15885478A JPS5583901A (en) 1978-12-19 1978-12-19 Pid automatic control method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15885478A JPS5583901A (en) 1978-12-19 1978-12-19 Pid automatic control method

Publications (1)

Publication Number Publication Date
JPS5583901A true JPS5583901A (en) 1980-06-24

Family

ID=15680849

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15885478A Pending JPS5583901A (en) 1978-12-19 1978-12-19 Pid automatic control method

Country Status (1)

Country Link
JP (1) JPS5583901A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009122950A1 (en) * 2008-03-31 2009-10-08 株式会社小松製作所 Controller of hydraulically driven fan
WO2009147775A1 (en) * 2008-06-04 2009-12-10 株式会社フジキン Automatic pressure regulator for flow regulator

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009122950A1 (en) * 2008-03-31 2009-10-08 株式会社小松製作所 Controller of hydraulically driven fan
JP2009243389A (en) * 2008-03-31 2009-10-22 Komatsu Ltd Control device of hydraulically driven fan
CN101981322A (en) * 2008-03-31 2011-02-23 株式会社小松制作所 Controller of hydraulically driven fan
US8459959B2 (en) 2008-03-31 2013-06-11 Komatsu Ltd. Control device of hydraulically driven fan
WO2009147775A1 (en) * 2008-06-04 2009-12-10 株式会社フジキン Automatic pressure regulator for flow regulator
JP2009294820A (en) * 2008-06-04 2009-12-17 Fujikin Inc Automatic pressure regulator for flow controller
CN102057340A (en) * 2008-06-04 2011-05-11 株式会社富士金 Automatic pressure regulator for flow regulator
US8757197B2 (en) 2008-06-04 2014-06-24 Fujikin Incorporated Automatic pressure regulator for flow rate regulator

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