GB1330039A - Digital sampled-data three-point control system - Google Patents

Digital sampled-data three-point control system

Info

Publication number
GB1330039A
GB1330039A GB1213371*[A GB1213371A GB1330039A GB 1330039 A GB1330039 A GB 1330039A GB 1213371 A GB1213371 A GB 1213371A GB 1330039 A GB1330039 A GB 1330039A
Authority
GB
United Kingdom
Prior art keywords
pulse
pulses
actual value
switched
flip
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.)
Expired
Application number
GB1213371*[A
Other languages
English (en)
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.)
Philips Electronics UK Ltd
Original Assignee
Philips Electronic and Associated Industries 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 Philips Electronic and Associated Industries Ltd filed Critical Philips Electronic and Associated Industries Ltd
Publication of GB1330039A publication Critical patent/GB1330039A/en
Expired legal-status Critical Current

Links

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
    • G05B11/00—Automatic controllers
    • G05B11/01—Automatic controllers electric
    • G05B11/14—Automatic controllers electric in which the output signal represents a discontinuous function of the deviation from the desired value, i.e. discontinuous controllers
    • G05B11/18—Multi-step controllers
    • 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
    • G05B11/00—Automatic controllers
    • G05B11/01—Automatic controllers electric
    • G05B11/26—Automatic controllers electric in which the output signal is a pulse-train
    • G05B11/28—Automatic controllers electric in which the output signal is a pulse-train using pulse-height modulation; using pulse-width modulation
    • 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
    • G05B21/00—Systems involving sampling of the variable controlled
    • G05B21/02—Systems involving sampling of the variable controlled electric

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Manipulation Of Pulses (AREA)
  • Feedback Control In General (AREA)
  • Analogue/Digital Conversion (AREA)
  • Logic Circuits (AREA)
GB1213371*[A 1970-05-02 1971-04-29 Digital sampled-data three-point control system Expired GB1330039A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19702021456 DE2021456B2 (de) 1970-05-02 1970-05-02 Schaltungsanordnung zur digitalen abtast-dreipunktregelung

Publications (1)

Publication Number Publication Date
GB1330039A true GB1330039A (en) 1973-09-12

Family

ID=5770001

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1213371*[A Expired GB1330039A (en) 1970-05-02 1971-04-29 Digital sampled-data three-point control system

Country Status (6)

Country Link
US (1) US3740578A (cg-RX-API-DMAC7.html)
CA (1) CA945225A (cg-RX-API-DMAC7.html)
DE (1) DE2021456B2 (cg-RX-API-DMAC7.html)
FR (1) FR2092125B1 (cg-RX-API-DMAC7.html)
GB (1) GB1330039A (cg-RX-API-DMAC7.html)
NL (1) NL7105745A (cg-RX-API-DMAC7.html)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2312326C2 (de) * 1973-03-13 1985-10-17 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Phasendiskriminator
US7066242B1 (en) * 2004-12-23 2006-06-27 David Ranville Sacrificial refractory shield assembly for use on a boiler tube

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3207925A (en) * 1962-06-13 1965-09-21 Gen Precision Inc Electronic digital computer clock read amplifier
US3330972A (en) * 1964-10-09 1967-07-11 Gen Dynamics Corp Sine wave threshold and phase comparator
US3346743A (en) * 1965-04-26 1967-10-10 Sperry Rand Corp Pulse width multiplying circuit having capacitive feedback
US3393325A (en) * 1965-07-26 1968-07-16 Gen Micro Electronics Inc High speed inverter
US3473050A (en) * 1966-06-10 1969-10-14 Nasa Variable pulse width multiplier
US3471719A (en) * 1966-07-13 1969-10-07 Us Navy Gated filter and sample hold circuit
US3505537A (en) * 1967-03-09 1970-04-07 Rca Corp Signal envelope discriminator and gating circuit
US3562673A (en) * 1968-08-16 1971-02-09 Allen Bradley Co Pulse width modulation to amplitude modulation conversion circuit which minimizes the effects of aging and temperature drift
US3624522A (en) * 1970-01-09 1971-11-30 Western Electric Co Logic circuitry for monitoring the cyclic operations of a pair of devices

Also Published As

Publication number Publication date
NL7105745A (cg-RX-API-DMAC7.html) 1971-11-04
US3740578A (en) 1973-06-19
CA945225A (en) 1974-04-09
FR2092125A1 (cg-RX-API-DMAC7.html) 1972-01-21
DE2021456A1 (de) 1971-11-11
DE2021456B2 (de) 1972-07-20
FR2092125B1 (cg-RX-API-DMAC7.html) 1974-06-21

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee