JPS6444501A - Method for controlling variable value control system - Google Patents

Method for controlling variable value control system

Info

Publication number
JPS6444501A
JPS6444501A JP20003487A JP20003487A JPS6444501A JP S6444501 A JPS6444501 A JP S6444501A JP 20003487 A JP20003487 A JP 20003487A JP 20003487 A JP20003487 A JP 20003487A JP S6444501 A JPS6444501 A JP S6444501A
Authority
JP
Japan
Prior art keywords
control
control system
variable value
value control
controlling variable
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
JP20003487A
Other languages
Japanese (ja)
Inventor
Takaaki Kato
Tatsuya Nakajima
Osamu Suzuki
Kazuo Taniguchi
Takashi Arai
Toshiaki Murata
Tsutomu Kikuchi
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.)
JFE Engineering Corp
Original Assignee
NKK Corp
Nippon Kokan 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 NKK Corp, Nippon Kokan Ltd filed Critical NKK Corp
Priority to JP20003487A priority Critical patent/JPS6444501A/en
Publication of JPS6444501A publication Critical patent/JPS6444501A/en
Pending legal-status Critical Current

Links

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  • Feedback Control In General (AREA)

Abstract

PURPOSE:To improve adaptability and control accuracy by applying feedforward control to a reference control system and adding feedback control in accordance with the state of a control system. CONSTITUTION:In a linear area of a control system, Gf(S).Gp(S) 1 [Gf(S) is a transfer function of a feedforwared control element 10 and Gp(S) is a product of a transmission function Ga(S) of an operation part 8 and a transfer function Go(S) of a controlled system 9 can be formed, and an non-linear area, Gf(S).Gp(S) 1 can not be held and the control system goes to unstable. Thereby, the control system is basically controlled by the feedforward control element 10, and when a difference between an objective speed and a real speed is included within a fixed range, a feedback control element 7 is added and feedback control is mainly executed to secure the control accuracy.
JP20003487A 1987-08-12 1987-08-12 Method for controlling variable value control system Pending JPS6444501A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP20003487A JPS6444501A (en) 1987-08-12 1987-08-12 Method for controlling variable value control system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP20003487A JPS6444501A (en) 1987-08-12 1987-08-12 Method for controlling variable value control system

Publications (1)

Publication Number Publication Date
JPS6444501A true JPS6444501A (en) 1989-02-16

Family

ID=16417720

Family Applications (1)

Application Number Title Priority Date Filing Date
JP20003487A Pending JPS6444501A (en) 1987-08-12 1987-08-12 Method for controlling variable value control system

Country Status (1)

Country Link
JP (1) JPS6444501A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03255205A (en) * 1990-03-02 1991-11-14 Tokimec Inc Closed loop pressure control device
JPH05176571A (en) * 1991-12-20 1993-07-13 Tokyo Electric Co Ltd Drive controller for servomotor
JP2013167678A (en) * 2012-02-14 2013-08-29 Fuji Xerox Co Ltd Endless belt driving device and image forming apparatus having the same
JP2018527599A (en) * 2015-06-19 2018-09-20 エーエスエムエル ネザーランズ ビー．ブイ． Control system, positioning system, lithographic apparatus and device manufacturing method
WO2019049477A1 (en) * 2017-09-07 2019-03-14 日本精工株式会社 Rack and manufacturing method for same, steering device, vehicle and preforming mold for rack

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62154002A (en) * 1985-12-27 1987-07-09 Hitachi Ltd Control method and its device

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62154002A (en) * 1985-12-27 1987-07-09 Hitachi Ltd Control method and its device

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03255205A (en) * 1990-03-02 1991-11-14 Tokimec Inc Closed loop pressure control device
JPH05176571A (en) * 1991-12-20 1993-07-13 Tokyo Electric Co Ltd Drive controller for servomotor
JP2013167678A (en) * 2012-02-14 2013-08-29 Fuji Xerox Co Ltd Endless belt driving device and image forming apparatus having the same
JP2018527599A (en) * 2015-06-19 2018-09-20 エーエスエムエル ネザーランズ ビー．ブイ． Control system, positioning system, lithographic apparatus and device manufacturing method
US10401743B2 (en) 2015-06-19 2019-09-03 Asml Netherlands B.V. Control system, positioning system, lithographic apparatus and device manufacturing method
WO2019049477A1 (en) * 2017-09-07 2019-03-14 日本精工株式会社 Rack and manufacturing method for same, steering device, vehicle and preforming mold for rack

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