JPS5685101A - Control switching device - Google Patents

Control switching device

Info

Publication number
JPS5685101A
JPS5685101A JP16147579A JP16147579A JPS5685101A JP S5685101 A JPS5685101 A JP S5685101A JP 16147579 A JP16147579 A JP 16147579A JP 16147579 A JP16147579 A JP 16147579A JP S5685101 A JPS5685101 A JP S5685101A
Authority
JP
Japan
Prior art keywords
value
tmsa
controller
control signal
fixed
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
JP16147579A
Other languages
Japanese (ja)
Inventor
Seiitsu Nikawara
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 JP16147579A priority Critical patent/JPS5685101A/en
Publication of JPS5685101A publication Critical patent/JPS5685101A/en
Pending legal-status Critical Current

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  • Feedback Control In General (AREA)

Abstract

PURPOSE: To ensure a smooth switching of control, by setting the outputs of the 1st and 2nd controllers having the target value varying in terms of time plus a fixed target value to the sum of the outputs obtained by multiplying the weight coefficients which are added up to 1.
CONSTITUTION: The controller 26 obtains the control signal from the deviation between the target value TMSR of main steam temperature and the actual measurements TMSA; and the controller 27 obtaines the control signal from the deviation between the value TMSR and the rated value TMSO of main steam temperature, respectively. The comparator 24 blocks the input to be applied to the controller 27 by the multiplier 28B until the value TMSA gets close to the value TMSO. The output of the operator 31 is set to 0 at first. When the value TMSA exceeds a fixed value, the controllers 26 and 27 start a parallel operation. Then the sum of the outputs obtained through a multiplication of the weight coefficients (1-X) and X is delivered 33 in the form of the control signal 29. At the same time, the X is set to vary gradually 0W1. Thus a smooth switching is given to the control of the contoller 27 after a fixed time.
COPYRIGHT: (C)1981,JPO&Japio
JP16147579A 1979-12-14 1979-12-14 Control switching device Pending JPS5685101A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP16147579A JPS5685101A (en) 1979-12-14 1979-12-14 Control switching device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP16147579A JPS5685101A (en) 1979-12-14 1979-12-14 Control switching device

Publications (1)

Publication Number Publication Date
JPS5685101A true JPS5685101A (en) 1981-07-11

Family

ID=15735790

Family Applications (1)

Application Number Title Priority Date Filing Date
JP16147579A Pending JPS5685101A (en) 1979-12-14 1979-12-14 Control switching device

Country Status (1)

Country Link
JP (1) JPS5685101A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0672389A (en) * 1992-03-09 1994-03-15 Kawasaki Heavy Ind Ltd Automatic aviation device of rotary wing aircraft
WO2002071459A1 (en) * 2001-03-05 2002-09-12 Tokyo Electron Limited Heat treatment method and heat treatment system

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0672389A (en) * 1992-03-09 1994-03-15 Kawasaki Heavy Ind Ltd Automatic aviation device of rotary wing aircraft
WO2002071459A1 (en) * 2001-03-05 2002-09-12 Tokyo Electron Limited Heat treatment method and heat treatment system
US7135659B2 (en) 2001-03-05 2006-11-14 Tokyo Electron Limited Heat treatment method and heat treatment system

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