DE2148806C2 - Schaltungsanordnung zur stoßfreien Hand/Automatik-Umschaltung in einem Prozeßreglersystem - Google Patents

Schaltungsanordnung zur stoßfreien Hand/Automatik-Umschaltung in einem Prozeßreglersystem

Info

Publication number: DE2148806C2
Authority: DE; Germany
Prior art keywords: manual; automatic; voltage; differential amplifier; current
Prior art date: 1970-10-01
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.): Expired

Application number

DE2148806A

Other languages

German (de)

English (en)

Other versions

DE2148806A1 (de

Inventor

John Edward Saugus Mass. Riley

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.)

Elsag Bailey Inc

Original Assignee

Bailey Meter Co

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.)

1970-10-01

Filing date

1971-09-30

Publication date

1984-08-09

1971-09-30 Application filed by Bailey Meter Co filed Critical Bailey Meter Co

1972-04-06 Publication of DE2148806A1 publication Critical patent/DE2148806A1/de

1984-08-09 Application granted granted Critical

1984-08-09 Publication of DE2148806C2 publication Critical patent/DE2148806C2/de

Status Expired legal-status Critical Current

Links

238000004886 process control Methods 0.000 title claims description 9
238000000034 method Methods 0.000 claims description 60
239000003990 capacitor Substances 0.000 claims description 27
239000012530 fluid Substances 0.000 claims description 17
230000001105 regulatory effect Effects 0.000 claims description 9
230000010354 integration Effects 0.000 claims description 3
238000006243 chemical reaction Methods 0.000 claims 1
230000007704 transition Effects 0.000 description 23
238000010586 diagram Methods 0.000 description 4
230000000694 effects Effects 0.000 description 4
229920006395 saturated elastomer Polymers 0.000 description 4
230000033228 biological regulation Effects 0.000 description 3
239000004020 conductor Substances 0.000 description 3
230000007423 decrease Effects 0.000 description 3
230000015556 catabolic process Effects 0.000 description 2
230000001276 controlling effect Effects 0.000 description 2
125000000174 L-prolyl group Chemical group [H]N1C([H])([H])C([H])([H])C([H])([H])[C@@]1([H])C(*)=O 0.000 description 1
241000158147 Sator Species 0.000 description 1
230000008878 coupling Effects 0.000 description 1
238000010168 coupling process Methods 0.000 description 1
238000005859 coupling reaction Methods 0.000 description 1
230000000994 depressogenic effect Effects 0.000 description 1
230000005611 electricity Effects 0.000 description 1
230000005284 excitation Effects 0.000 description 1
238000011112 process operation Methods 0.000 description 1
230000000630 rising effect Effects 0.000 description 1
230000000087 stabilizing effect Effects 0.000 description 1

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
- G05B7/00—Arrangements for obtaining smooth engagement or disengagement of automatic control
- G05B7/02—Arrangements for obtaining smooth engagement or disengagement of automatic control electric

Landscapes

Physics & Mathematics (AREA)
General Physics & Mathematics (AREA)
Engineering & Computer Science (AREA)
Automation & Control Theory (AREA)
Feedback Control In General (AREA)
Measuring Fluid Pressure (AREA)
Control Of Non-Electrical Variables (AREA)
Amplifiers (AREA)

DE2148806A 1970-10-01 1971-09-30 Schaltungsanordnung zur stoßfreien Hand/Automatik-Umschaltung in einem Prozeßreglersystem Expired DE2148806C2 (de)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US7710470A	1970-10-01	1970-10-01

Publications (2)

Publication Number	Publication Date
DE2148806A1 DE2148806A1 (de)	1972-04-06
DE2148806C2 true DE2148806C2 (de)	1984-08-09

Family

ID=22136083

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
DE2148806A Expired DE2148806C2 (de)	1970-10-01	1971-09-30	Schaltungsanordnung zur stoßfreien Hand/Automatik-Umschaltung in einem Prozeßreglersystem

Country Status (4)

Country	Link
US (1)	US3662275A (2)
JP (1)	JPS5136413B1 (2)
DE (1)	DE2148806C2 (2)
GB (1)	GB1372043A (2)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3831099A (en) *	1972-01-27	1974-08-20	Babcock & Wilcox Co	Controller having gain selectable independently of controller output
US3772602A (en) *	1972-09-05	1973-11-13	Fischer & Porter Co	Process controller with bumpless transfer
US3914699A (en) *	1972-11-09	1975-10-21	Honeywell Inc	Process controller having electronic manual control
US3826991A (en) *	1972-11-09	1974-07-30	Honeywell Inc	Process controller having electronic manual control
US3940594A (en) *	1974-08-13	1976-02-24	Beckman Instruments, Inc.	Automatic process controller with bumpless operation
US4099114A (en) *	1976-10-29	1978-07-04	Leeds & Northrup Company	Servo stop system
US4184125A (en) *	1978-07-07	1980-01-15	The United States Of America As Represented By The Secretary Of The Air Force	Analog tuning voltage circuit with analog signal multiplexing
JPS60113680A (ja) *	1983-11-22	1985-06-20	Victor Co Of Japan Ltd	モ−タの回転制御装置
US6165395A (en) *	1998-11-25	2000-12-26	Thatcher Tubes Llc	Process control method for a machine for manufacturing thermoplastic tubes

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3068387A (en) *	1959-09-21	1962-12-11	Bailey Meter Co	Manual and automatic control servo-system
US3422457A (en) *	1965-07-21	1969-01-14	Bailey Meter Co	Arrangement for bumpless transfer of a servo control system from automatic to manual and vice versa
US3566282A (en) *	1968-06-25	1971-02-23	Monsanto Co	Analog controller including manual pulse-train control
DE1806728C2 (de) *	1968-11-02	1974-11-14	Philips Patentverwaltungs Gmbh, 2000 Hamburg	Schaltungsanordnung zum stoßfreien Umschalten einer elektrischen Regeleinrichtung von Automatik- auf Handbetrieb und umgekehrt

1970
- 1970-10-01 US US77104A patent/US3662275A/en not_active Expired - Lifetime
1971
- 1971-09-30 DE DE2148806A patent/DE2148806C2/de not_active Expired
- 1971-10-01 JP JP46076367A patent/JPS5136413B1/ja active Pending
- 1971-10-01 GB GB4580971A patent/GB1372043A/en not_active Expired

Also Published As

Publication number	Publication date
US3662275A (en)	1972-05-09
GB1372043A (en)	1974-10-30
DE2148806A1 (de)	1972-04-06
JPS5136413B1 (2)	1976-10-08

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Legal Events

Date	Code	Title
1978-03-30	OD	Request for examination
1984-08-09	D2	Grant after examination
1985-02-14	8364	No opposition during term of opposition