WO1986005603A1 - Circuit pour une installation de regulation en cascade discontinue - Google Patents

Circuit pour une installation de regulation en cascade discontinue Download PDF

Info

Publication number
WO1986005603A1
WO1986005603A1 PCT/HU1986/000018 HU8600018W WO8605603A1 WO 1986005603 A1 WO1986005603 A1 WO 1986005603A1 HU 8600018 W HU8600018 W HU 8600018W WO 8605603 A1 WO8605603 A1 WO 8605603A1
Authority
WO
WIPO (PCT)
Prior art keywords
output
input
difference
control device
comparator
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.)
Ceased
Application number
PCT/HU1986/000018
Other languages
German (de)
English (en)
Inventor
Károly MOLNÁR
László NAGY
György PRÁGAI
László Soós
Zoltán VINCZE
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.)
Villamosipari Kutato Intezet
Original Assignee
Villamosipari Kutato Intezet
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 Villamosipari Kutato Intezet filed Critical Villamosipari Kutato Intezet
Publication of WO1986005603A1 publication Critical patent/WO1986005603A1/fr
Anticipated expiration legal-status Critical
Ceased 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

Definitions

  • the invention relates to a circuit arrangement for a discontinuous joint control device, which is provided with a control signal generator, a comparator, a first difference image, a control unit, a main circuit converter and a filter, the output of the control signal generator at the input of the first difference image, the output of the first difference former to the input of the comparator, the output of the comparator to the input of the control unit, the output of the control unit to a first input of the main circuit converter, the output of the main circuit converter to the input of the filter, while a second input of the Main circuit converter is connected to the supply source and the output of the filter is led to the output of the follow-up control device, the output of the follow-up control device being connected to a second input of the first difference former.
  • a single-loop control circuit is known from US Pat. No. 3,636,430 / Kernich and co-inventor / which, in the same way as the solution according to the invention, has a control signal generator, a difference image, a comparator, a control unit, a converter and a filter.
  • This control loop was later developed further by the same inventors in accordance with US Pat. No. 3,648,150, the necessity of using multi-loop systems already being recognized.
  • an additional unit for generating such a corrector pulse was arranged in the second feedback branch, which takes into account, by means of a corresponding input level shift of the comparator, that the effectiveness of the intervention depends to a large extent on whether the polarities of the excitation voltage and the output voltage are the same if the voltage is changed or are opposite.
  • This method offers satisfactory results with low output, in applications in devices with high performance, on the other hand, a number of additional problems are raised since the switching frequency is difficult to optimize.
  • the aim of the invention is to develop a circuit arrangement which is free from the disadvantages of the above-mentioned solutions and by means of which current converter devices with any power, voltage or current and with a high degree of virogenicity and excellent dynamic properties can be realized at an optimum holding frequency.
  • the invention is based on the knowledge that the above-mentioned advantageous properties can be achieved in such a way that the intervention / the actuator / according to the actual value of the control signal and the output parameters is influenced by the corresponding points of the current transformer, or to improve the Quality parameters are generated with the help of a so-called selection logic, a signal similar to the output signal of the converter, via which the pulse width modulation is modified accordingly.
  • the set goal is achieved by means of a circuit arrangement of the type mentioned in the introduction according to the invention such that a second and third difference images, a selection logic, a first and a second integrator, a current detector for a voltage generator output, a current generator output for a Voltage detector, summarized a detector unit are provided.
  • An output of the first difference generator is led to the input of the comparator via the second difference images such that the output of the first difference generator is connected to a first input of the second difference generator and the output of the second difference generator is led to the input of the comparator, while a second Out gear of the control unit is connected to an input of the selection logic.
  • An output of the selection logic is connected to an input of the second integrator, the output of which is connected to an input of the third difference former.
  • a detector unit is inserted such that the output of the filter is connected to an input of the detector unit and a first output of the detector unit is connected to the output of the follow-up control device, while a second output of the detector unit is connected to a second
  • Input of the second difference former is connected.
  • the output of the sequence control device is guided via the most integrator to a second input of the third difference generator, while the output of the third difference generator is connected to a third input of the second difference generator.
  • the holding arrangement of the type mentioned at the beginning is supplemented with a second and a third difference images, a first and a second integrator and a detector unit.
  • the second differential image is inserted between the first differential image and the comparator.
  • An input of the second integrator is connected to the output of the main circuit converter, while an input of the third difference generator is connected to the output of the second integrator.
  • the detector unit is switched on between the output of the filter and the output of the sequence control device, the second output of which is connected to one second input of the second difference former is performed.
  • the output of the sequence control device is connected via the first integrator to a second input of the third difference generator and the output of the third difference generator to a third input of the second difference generator.
  • the set objective is achieved by means of the aforementioned type of solving arrangement in such a way that a second and a third difference images, a first and a second integrator, a detector unit and an imaging unit are provided.
  • the second difference generator is switched on, and the output of the main circuit converter is also routed to an input of the imaging unit.
  • Another input of the imaging unit is connected to a second input of the main circuit converter, while the output of the imaging unit is connected to the input of the second integrator and the output of the second integrator is connected to an input of the third difference former.
  • a detector or unit is inserted between the output of the filter and the output of the follow-up control device, the second output of which is applied to a second input of the second difference former.
  • the output of the follow-up control device connects to a second input of the third difference generator via the first integrator, while the output of the third difference generator is connected to a third input of the second difference generator.
  • the stated aim is achieved with the aid of a circuit arrangement of the type mentioned at the outset in such a way that a second and fourth difference image, a third integrator, a detector unit and either selection logic or an imaging unit are provided.
  • the second differential generator is connected such that the output of the first differential processor with a first input of the second differential processor and the output of the are connected to the input of the comparator, the detector unit is connected between the output of the filter and the output of the sequence control device, the second output of which is connected to a second input of the second difference generator.
  • the output of the follow-up control device is led to an input of the fourth difference former, the output of the fourth difference former is connected to a third input of the second difference former via the third integrator.
  • the stated aim can furthermore be achieved by means of the above-mentioned type of solution arrangement such that a third integrator, a second difference image, a detector unit and a decoupling and matching unit are provided.
  • the first difference image and the comparator of the second difference images are also connected such that the output of the first difference image is connected to a first input of the second difference image and the output of the second difference image is connected to the input of the comparator.
  • the detector unit is inserted in such a way that the output of the filter is connected to an input of the detector unit and a first output of the detector unit is connected to the output of the follow-up control device.
  • a second output of the detector unit is connected to a second input of the second difference former, while the input of the filter is connected to a first input of the decoupling and adaptation unit, and the output of the filter is connected to a second input of the decoupling and adaptation unit is.
  • the output of the decoupling and adaptation unit is connected to a third input of the second difference former via the third integrator.
  • Fig. 1 is a block diagram of the follow-up control device
  • Fig. 2 shows an embodiment of the follow-up control device with a modified inner feedback loop
  • Fig. 3 shows another embodiment of the follow-up control device with an imaging unit
  • Fig. 4 shows another embodiment of the invention
  • FIG. 5 shows a further embodiment of the invention
  • the device is provided with a control signal generator 1, which generates the signal form to be followed, whereby a signal - similar in amplitude but generally deviating therefrom - on Output r of the slave control device appears.
  • a main circuit converter 6 At the output of a main circuit converter 6 is from. the other control units modified the size of the intervention / control signal / to such an extent that the output signal by means of a filter 7 and a detector unit 8 was similar to the signal of the control signal generator 1. According to the invention, this is ensured in such a way that the control signal generator 1 is connected to a first input a of a first difference generator 2, while the output c of the first difference generator 2 is connected to a first input d of a second difference generator 3.
  • An output g of the second difference former 3 is connected to an input of a comparator 4, the output of which connects to an input h of a control unit 5, while an output i of the control unit 5 is connected to an input of a main circuit current converter 6.
  • An output of the main circuit converter 6 is passed via a filter 7, which is used for the corresponding smoothing of the output signal, to an input k of a detector unit 8, while a first output i of the detector unit 8 is connected to the output r of the follow-up control device.
  • the supply network of the sequence control device is connected to a second input A of the main circuit current converter 6. In addition to the forwarding chain of reactions, the feedback chains must also be formed.
  • the signal of a second output j of the control unit 5 is passed to a selection logic 12, at the output of which a signal similar to the output signal of the main circuit converter 6 is generated and integrated by means of a second integrator 11.
  • the signal present at the output of the second integrator 11 is passed to a first input p of a third difference former 9 during the off gear q of the third difference former 9 is connected to a third input f of the second difference former 3.
  • the first output l of the detector unit 8 is connected on the one hand to an input of a first integrator 10 and on the other hand to a second input b of the first difference former 2.
  • the output of the first integrator 10 is led to a second input n of the third difference generator 9, so the difference q of the signals of the two integrators 10 and 11 appears at the output q of the third difference generator 9.
  • a second output m of the detector unit 8 is connected to a second one Input e of the second difference former 3 connected.
  • the solo arrangement according to the invention contains only those circuit elements which are known per se and whose function and practical implementation are generally known.
  • the selection logic represents such a logic network, which generates a signal following the timing of the output signal of the main circuit converter from the control signals by means of gating.
  • FIG. 1 A further exemplary embodiment of the follow-up control device can be seen in FIG.
  • the output signal of the main circuit converter 6 by means of a second integrator 11 integrated.
  • This embodiment is advantageous in those cases when the selection logic is implemented
  • the input signal of the second integrator 11 is generated with the aid of a mapping unit 13 from the output signal of the main circuit current converter 6, which connects to a first input s of the mapping unit 13, and from the signal of a second input t the imaging unit 13 generated.
  • the supply network of the follow-up control device is connected to the second input t.
  • the output o of the imaging unit 13 is connected to the input of the second integrator 11.
  • Optocoupler / contains, at the output of which a signal proportional to the output signal 1 of the main circuit converter 6 appears at any time, preferably electrically isolated from the main circuit.
  • the output of the main circuit converter 6 or the output o of the imaging unit 13 is connected to a second input u of a fourth difference generator 15, while the output l of the detector unit 8 is connected to a first input v of the fourth difference generator 15.
  • An output w of the fourth difference former 15 is connected to the input of a third integrator ik, while the output of the third integrator ik is connected to a third input f of the second difference former 3.
  • the output of the main circuit current heater 6 is guided on the one hand to the input of the filter 7 and on the other hand to a first input x of a decoupling and adaptation unit 16.
  • the output of the filter 7 is connected on the one hand to the input k of the detector unit 8 and on the other hand to a second input y of the decoupling and adaptation unit 16.
  • An output z of the decoupling and adaptation unit 16 is connected to an input of a third integrator 14, while the output of the third integrator 14 is connected to the third input f of the second difference former 3.
  • the signal appearing at the output of the follow-up control device follows the control signal l with high static and dynamic accuracy
  • the subsequent properties can be influenced in a simple manner with gains and integration time constants
  • the device can be designed adaptively in a simple manner
  • the follow-up control can be implemented for any output signal.

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Image Processing (AREA)
  • Inverter Devices (AREA)

Abstract

Un circuit pour une installation de régulation en cascade discontinue comporte un générateur de signaux de commande dont une sortie est reliée à une première entrée d'un premier circuit de différenciation, une sortie de celui-ci étant reliée à une entrée d'un comparateur dont une sortie est connectée à une entrée d'une unité de commande. Une sortie de cette unité est dirigée vers une entrée d'un convertisseur de circuit principal dont une sortie est reliée à l'entrée d'un filtre. Une deuxième entrée de ce convertisseur est connectée à une source d'alimentation, une deuxième entrée du filtre à une sortie de l'installation de réglage et la sortie de cette dernière à une deuxième entrée du premier circuit de différenciation. Dans le présent circuit, la sortie (c) du premier circuit de différenciation (2) est reliée à l'entrée du comparateur (4) par l'entrée (d) et la sortie (g) d'un deuxième circuit de différenciation (3). En outre, une deuxième sortie (j) de l'unité de commande (5) est connectée à une entrée d'une logique de sélection (12) dont une sortie est reliée à une entrée d'un deuxième circuit d'intégration (11), tandis que la sortie de ce circuit d'intégration (11) est dirigée vers une première entrée (p) d'un troisième circuit de différenciation (9). La sortie du filtre (7) est reliée à la sortie (r) de l'installation de régulation via une entrée (k) et une sortie (g) d'une unité de détection (8), tandis qu'une deuxième sortie (m) de l'unité de détection (8) est connectée à une deuxième entrée (e) du deuxième circuit de différenciation (3). La sortie (r) de l'installation de régulation en cascade est reliée à une deuxième entrée (p) du troisième circuit de différenciation (9) par l'intermédiaire d'un premier circuit d'intégration (10) et la sortie (q) du troisième circuit de différenciation (9) à une troisième entrée (f) du deuxième circuit de différenciation (3).
PCT/HU1986/000018 1985-03-19 1986-03-19 Circuit pour une installation de regulation en cascade discontinue Ceased WO1986005603A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
HU100185A HU191779B (en) 1985-03-19 1985-03-19 Circuit arrangement for laying out two-point follow-up controlled inverter
HU1001/85 1985-03-19

Publications (1)

Publication Number Publication Date
WO1986005603A1 true WO1986005603A1 (fr) 1986-09-25

Family

ID=10952388

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/HU1986/000018 Ceased WO1986005603A1 (fr) 1985-03-19 1986-03-19 Circuit pour une installation de regulation en cascade discontinue

Country Status (3)

Country Link
EP (1) EP0216849A1 (fr)
HU (1) HU191779B (fr)
WO (1) WO1986005603A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103336426A (zh) * 2013-07-12 2013-10-02 深圳市航天新源科技有限公司 使变换器输出特性与负载特性拟合的装置及方法

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3636430A (en) * 1970-10-26 1972-01-18 Westinghouse Electric Corp Anticipatory feedback control for inverters
US3648150A (en) * 1970-02-26 1972-03-07 Westinghouse Electric Corp Apparatus for producing a low-distortion pulse width modulated inverter output
DE2422869B2 (de) * 1974-05-10 1976-03-11 Deutsche Automobilgesellschaft Mbh, 3000 Hannover Zweipunktregler fuer anordnungen mit einem energiespeicher im lastkreis
DE3042540A1 (de) * 1980-11-12 1982-06-16 SKM-elektronik Dipl.-Ing. Kurt Schön, 3450 Holzminden Regelschaltung, beispielsweise zur temperaturregelung
US4364109A (en) * 1980-02-19 1982-12-14 Tokyo Shibaura Denki Kabushiki Kaisha Control device of inverters

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3648150A (en) * 1970-02-26 1972-03-07 Westinghouse Electric Corp Apparatus for producing a low-distortion pulse width modulated inverter output
US3636430A (en) * 1970-10-26 1972-01-18 Westinghouse Electric Corp Anticipatory feedback control for inverters
DE2422869B2 (de) * 1974-05-10 1976-03-11 Deutsche Automobilgesellschaft Mbh, 3000 Hannover Zweipunktregler fuer anordnungen mit einem energiespeicher im lastkreis
US4364109A (en) * 1980-02-19 1982-12-14 Tokyo Shibaura Denki Kabushiki Kaisha Control device of inverters
DE3042540A1 (de) * 1980-11-12 1982-06-16 SKM-elektronik Dipl.-Ing. Kurt Schön, 3450 Holzminden Regelschaltung, beispielsweise zur temperaturregelung

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103336426A (zh) * 2013-07-12 2013-10-02 深圳市航天新源科技有限公司 使变换器输出特性与负载特性拟合的装置及方法
CN103336426B (zh) * 2013-07-12 2016-12-28 深圳市航天新源科技有限公司 使变换器输出特性与负载特性拟合的装置及方法

Also Published As

Publication number Publication date
HU191779B (en) 1987-04-28
EP0216849A1 (fr) 1987-04-08

Similar Documents

Publication Publication Date Title
DE3124333A1 (de) "digital/analog-umsetzer"
DE3531869A1 (de) Elektromagnetischer stroemungsmesser
DE1947792A1 (de) Vier-Quadranten-Impulsbreiten-Multiplikator
DE2655508C3 (de) Analogfiltersysteme
DE69024285T2 (de) Servosteuerungsanordnung für ein System mit Rückführung und Anwendung davon bei Verstärken und Servomechanismen
DE69531752T2 (de) Spannungs-Frequenzwandler
AT392711B (de) Optischer sender
EP0261479A2 (fr) Récepteur optique hétérodyne
WO1986005603A1 (fr) Circuit pour une installation de regulation en cascade discontinue
DE2230597C3 (de) Anordnung zur Erzeugung zweier zueinander hilberttransformierter Signale
DE3100687A1 (de) System zur beseitigung eines geistsignals in einem eine geistsignalkomponente enthaltenden bildsignal
DE2430018B2 (de) Anordnung zur stufenlosen Kompression digital gespeicherter Datenfolgen zwecks analoger Wiedergabe
DE2053968A1 (de) Verfahren und Vorrichtung zur Verbesserung des Geräuschabstandes in einem elektrischen System
DE69022547T2 (de) Empfangsschaltung mit optischer Faser zur Umsetzung eines optischen Signals in ein elektrisches Signal.
DE60212715T2 (de) Stromversorgungsunterdrückungsschaltung für kapazitiv gespeicherte referenzspannungen
DE2825327C2 (de) Vorrichtung zur Erzeugung einer der Folge von Pulsschlägen entsprechenden Impulsfolge
CH623738A5 (fr)
DE2748075A1 (de) Schaltungsanordnung zur verkuerzung der einphaszeit eines phasenregelkreises auf die phasenlage von eingangssignalen
EP0142020A2 (fr) Ligne de transmission optique
EP0501558A2 (fr) Dispositif de séparation d'un signal d'image couleur en un signal de couleur et un signal de luminance
DE2459890B2 (de) Schaltungsanordnung zur Erleichterung der Auswertung von Aufnahmen, insbesondere Röntgenaufnahmen
DE2500654C2 (de) Schaltungsanordnung zur Pegelregelung eines Datensignals
DE3219221A1 (de) Verfahren und einrichtung zur automatischen anpassung der einstellbaren totzone eines nichtlinearen uebertragungsgliedes an die amplitude eines seinem eingangssignal ueberlagerten stoersignals
DE2249722B2 (de) Filter für zweiwertige Impulssignale
EP0868027A2 (fr) Circuit de retard pour un signal d'horloge avec mesure de retard

Legal Events

Date Code Title Description
AL Designated countries for regional patents

Kind code of ref document: A1

Designated state(s): AT BE CH DE FR GB IT LU NL SE

WWE Wipo information: entry into national phase

Ref document number: 1986901988

Country of ref document: EP

WWP Wipo information: published in national office

Ref document number: 1986901988

Country of ref document: EP

WWW Wipo information: withdrawn in national office

Ref document number: 1986901988

Country of ref document: EP