EP0102589A2 - Tension control device for a shaft winder - Google Patents

Tension control device for a shaft winder Download PDF

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Publication number
EP0102589A2
EP0102589A2 EP83108344A EP83108344A EP0102589A2 EP 0102589 A2 EP0102589 A2 EP 0102589A2 EP 83108344 A EP83108344 A EP 83108344A EP 83108344 A EP83108344 A EP 83108344A EP 0102589 A2 EP0102589 A2 EP 0102589A2
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EP
European Patent Office
Prior art keywords
speed
proportional
winding
diameter
value
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Granted
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EP83108344A
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German (de)
French (fr)
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EP0102589A3 (en
EP0102589B1 (en
Inventor
Horst Zimmermann
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Siemens AG
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Siemens AG
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H23/00—Registering, tensioning, smoothing or guiding webs
    • B65H23/04—Registering, tensioning, smoothing or guiding webs longitudinally
    • B65H23/18—Registering, tensioning, smoothing or guiding webs longitudinally by controlling or regulating the web-advancing mechanism, e.g. mechanism acting on the running web
    • B65H23/195—Registering, tensioning, smoothing or guiding webs longitudinally by controlling or regulating the web-advancing mechanism, e.g. mechanism acting on the running web in winding mechanisms or in connection with winding operations
    • B65H23/1955—Registering, tensioning, smoothing or guiding webs longitudinally by controlling or regulating the web-advancing mechanism, e.g. mechanism acting on the running web in winding mechanisms or in connection with winding operations and controlling web tension

Definitions

  • the invention relates to a device for regulating the tension in an axle winder with a speed control circuit for the electric winder drive and a computing circuit for determining a value proportional to the winding diameter from the web speed and the winder speed.
  • This generic term refers to an arrangement as described, for example, in the magazine Industrial Electronic Sept. 1968, pages 350 to 354.
  • the object of the present invention is. to create a simple indirect tension control, the speed control loop adaptively adapts to the changing winding diameters.
  • a desired tension in the web can be predetermined by the adjustable size proportional to the diameter. This applies to direct current and three-phase drives.
  • An electric DC machine 2 is used to drive the winding 3 and is fed from a network via a controllable rectifier 1.
  • the web 4 arriving from a processing machine (not shown) at a predetermined speed v s is to be wound up into a roll 3 on the axis winder, with a predetermined train in the web 4 during winding gear should be maintained.
  • the tax rate 6 of the controllable rectifier 1 is driven by a current controller 7 with PI behavior.
  • the actual value i of the current controller 7 is recorded on the AC voltage side and is a measure of the armature current - and, in the case of constant flux, also of the electrical moment - of the machine 2.
  • the setpoint i s of the current controller 7 is supplied by a superimposed speed control loop (main control loop) with speed controller 8 .
  • a variable V s which is proportional to the web speed of the web 4 and which is derived, for example, from a tachometer machine 5 moved by the web 4 serves as the target value v s of this speed controller 8.
  • a variable proportional to the product of the speed n and the diameter D of the winding 3 is used as the actual value v i .
  • a further superimposed correction control loop is provided with a correction controller 9 with PI behavior, which additionally gives a correcting variable to the input of the speed controller 8 in order to maintain the desired train.
  • This correction controller receives a variable proportional to the torque M i of the electrical machine 2, in the present case a variable proportional to the armature current i, and a desired value M S a variable adjustable to the diameter D kx D.
  • the factor k is a measure of the desired Train.
  • this correction control loop is relatively slow in relation to the speed control loop.
  • a control loop 14 which consists of the series connection a toggle amplifier 13, an integrator 12 and a multiplier 11.
  • the second input signal of the multiplier 11, which corresponds to the speed n of the winder 3, is supplied by a tachometer machine 16 coupled to the machine 2.
  • the signal nx D which arises at the output of this control loop 14 becomes the input of the control loop, ie the input of the Tilt amplifier 13 fed back and compared with the size proportional to the web speed v s .
  • the control circuit works so that it tries to continuously make the difference occurring at the input of the flip-flop 13 to zero.
  • a value must inevitably be set at the output of this circuit which corresponds to the product of the speed nx diameter D, since this value corresponds to the desired web speed or peripheral speed of the winder 3.
  • the size present at the other input of the waste multiplier 11 must be proportional to the winding diameter D.
  • This voltage which is established between integrator 12 and multiplier 11 is therefore used as the value for the winding diameter D.
  • a correction setpoint kx D proportional to the winding diameter can then be formed as the setpoint M S for the correction controller 9.
  • the value k is a measure of the desired train setpoint. If it is desired to change the train diameter depending on, can also in the line before or after the potentiometer 15th a function transmitter, not shown, can be installed, by means of which a change in the train depending on the diameter is effected.
  • control can be described in such a way that a correction control circuit is superimposed on a control of the peripheral speed of the winder, in which the actual value of the peripheral speed is calculated from the winder speed and the winder diameter. works as a torque control loop.

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  • Controlling Rewinding, Feeding, Winding, Or Abnormalities Of Webs (AREA)
  • Control Of Direct Current Motors (AREA)

Abstract

1. Apparatus for regulating the tensile stress and the speed of a shaft winder comprising : a) a regulator (9) supplied with a quantity adjustably dependent upon the respective winding diameter (D) as a theoretical value (Ms ) and with a quantity proportional to the torque of the winding drive as an actual value (Mi ), and comprising b) a regulating loop (14) which determines a quantity, proportional to the winding diameter (D), composed of the speed (Vs ) of the continuous material and the rotating speed (n) of the winder (2, 3), characterized by the following features : c) the use of the output signal of the regulator (9) as a correcting signal for a speed regulator (8), where d) the speed regulator (8) is supplied with a quantity proportional to the given speed of the continuous material as a theoretical value (Vs ) and with a quantity proportional to the product of winding diameter (D) and winding rotation speed (n) as an actual value (Vi ).

Description

Die Erfindung bezieht sich auf eine Einrichtung zum Regeln der Zugspannung bei einem Achswickler mit einem Drehzahlregelkreis für den elektrischen Wicklerantrieb und einer Rechenschaltung zur Ermittlung eines dem Wickeldurchmesser proportionalen Wertes aus Warenbahnbeschwindigkeit und Wicklerdrehzahl.The invention relates to a device for regulating the tension in an axle winder with a speed control circuit for the electric winder drive and a computing circuit for determining a value proportional to the winding diameter from the web speed and the winder speed.

Mit diesem Oberbegriff wird auf eine Anordnung Bezug genommen, wie sie beispielsweise in der Zeitschrift Industrial Electronic Sept. 1968, Seiten 350 bis 354 beschrieben ist.This generic term refers to an arrangement as described, for example, in the magazine Industrial Electronic Sept. 1968, pages 350 to 354.

Bei elektrischen Achswickelantrieben, wie sie z.B. für Gewebeverstrickanlagen, Folienwickler, Drahtziehmaschinen oder dgl. verwendet werden, ist es bereits bekannt, den Zug dadurch konstant zu halten, daß man dem Drehzahlregler des Achsantriebes einen Zugregelmeßkreis über-Iagert. Der Zugistwert kann dabei z.B. mit Hilfe von Tänzerwalzen bestimmt oder über Druckmeßdosen geregelt werden (vgl. die vorgenannte Literaturstelle).In the case of electrical axis winding drives, e.g. used for knitting machines, film winders, wire drawing machines or the like. It is already known to keep the train constant by superimposing a tension control measuring circuit on the speed controller of the axle drive. The actual train value can e.g. be determined with the help of dancer rollers or regulated via pressure transducers (cf. the aforementioned literature reference).

Es ist fernerhin auch bereits bekannt, den Zug indirekt in einem Achswickler dadurch konstant zu halten, daß man die dem elektrischen Wickelantrieb zugeführte Leistung konstant hält. Der Istwert der Leistung kann dabei bei der Gleichstrommaschine aus dem Produkt von EMK und dem Ankerstrom ermittelt werden, der verlangte Leistungssollwert ist ferner dann proportional dem Produkt aus Warenbahnzug mal Bahngeschwindigkeit (vgl. z.B.It is also also known to indirectly keep the train constant in an axle winder by keeping the power supplied to the electric winding drive constant. The actual value of the power can be determined in the DC machine from the product of EMK and the armature current, the required power setpoint is then proportional to the product Goods train train times web speed (see e.g.

DE-PS 20 57 01).DE-PS 20 57 01).

Die Aufgabe der vorliegenden Erfindung besteht darin,. eine einfache indirekte Zugregelung zu schaffen, deren Drehzahlregelkreis sich adaptiv den wechselnden Wickeldurchmessern anpaßt.The object of the present invention is. to create a simple indirect tension control, the speed control loop adaptively adapts to the changing winding diameters.

Diese Aufgabe wird erfindungsgemäß durch folgende Merkmale gelöst:

  • a) dem Hauptregelkreis des Wickelantriebes wird als Sollwert eine der Warenbahngeschwindigkeit proportionale Größe und als Istwert eine dem Produkt aus Wickeldurchmesser und Wicklerdrehzahl proportionale Größe zugeführt,
  • b) dem Hauptregelkreis ist ein im Verhältnis hierzu träger Korrekturregelkreis überlagert, dem als Sollwert eine dem Durchmesser einstellbar proportionale Größe und als Istwert eine dem Drehmoment des Wickelantriebes proportionale Größe zugeführt ist.
This object is achieved according to the invention by the following features:
  • a) the main control circuit of the winding drive is supplied with a value proportional to the web speed as a setpoint and a value proportional to the product of the winding diameter and winder speed as the actual value,
  • b) the main control circuit is overlaid with a sluggish correction control circuit, to which a variable adjustable diameter proportional value is supplied as a setpoint and a variable proportional to the torque of the winding drive is supplied as an actual value.

Auf diese Weise kann durch die einstellbare, dem Durchmesser proportionale Größe ein gewünschter Zug in der Warenbahn vorgegeben werden. Dies gilt für Gleichstrom-und Drehstromantriebe.In this way, a desired tension in the web can be predetermined by the adjustable size proportional to the diameter. This applies to direct current and three-phase drives.

Vorteilhafte Ausgestaltungen der Erfindung sind in den Unteransprüche angeführt.Advantageous embodiments of the invention are set out in the subclaims.

Zum Antrieb des Wickels 3 dient eine elektrische Gleichstrommaschine 2, die über einen steuerbaren Gleichrichter 1 aus einem Netz gespeist wird. Die von einer nichtgezeigten Verarbeitungsmaschine mit vorgegebener Geschwindigkeit vs ankommende Warenbahn 4 soll am Achswickler zu einem Wickel 3 aufgewickelt werden, wobei ein vorgegebener Zug in der Warenbahn 4 beim Wickelvorgang aufrechterhalten werden soll.An electric DC machine 2 is used to drive the winding 3 and is fed from a network via a controllable rectifier 1. The web 4 arriving from a processing machine (not shown) at a predetermined speed v s is to be wound up into a roll 3 on the axis winder, with a predetermined train in the web 4 during winding gear should be maintained.

Der Steuersatz 6 des steuerbaren Gleichrichters 1 wird von einem Stromregler 7 mit PI-Verhalten ausgesteuert. Der Istwert i des Stromreglers 7 wird wechselspannungsseitig erfaßt und ist ein Maß für den Ankerstrom - und bei konstanten Fluß auch für das elektrische Moment - der Maschine 2. Der Sollwert is des Stromreglers 7 wird von einem überlagerten Geschwindigkeitsregelkreis (Hauptregelkreis) mit Geschwindigkeitsregler 8 geliefert. Als Sollwert vs dieses Geschwindigkeitsreglers 8 dient eine der Bahngeschwindigkeit der Warenbahn 4 proportionale Größe Vs, die z.B. aus einer von der Warenbahn 4 bewegten Tachometermaschine 5 abgeleitet ist. Als Istwert vi wird eine dem Produkt aus Drehzahl n und Durchmesser D des Wickels 3 proportionale Größe benutzt. Diese Größen entsprechen der geforderten bzw. tatsächlichen Umfangsgeschwindigkeit vs bzw. vi an der Wickeloberfläche.The tax rate 6 of the controllable rectifier 1 is driven by a current controller 7 with PI behavior. The actual value i of the current controller 7 is recorded on the AC voltage side and is a measure of the armature current - and, in the case of constant flux, also of the electrical moment - of the machine 2. The setpoint i s of the current controller 7 is supplied by a superimposed speed control loop (main control loop) with speed controller 8 . A variable V s which is proportional to the web speed of the web 4 and which is derived, for example, from a tachometer machine 5 moved by the web 4 serves as the target value v s of this speed controller 8. A variable proportional to the product of the speed n and the diameter D of the winding 3 is used as the actual value v i . These values correspond to the required or actual peripheral speed v s or v i on the winding surface.

Es ist noch ein weiterer überlagerter Korrekturregelkreis mit einem Korrekturregler 9 mit PI-Verhalten vorgesehen, der auf den Eingang des Geschwindigkeitsreglers 8 zusätzlich eine korrigierende Größe zur Einhaltung des gewünschten Zuges gibt. Dieser Korrekturregler erhält als Istwert eine dem Drehmoment Mi der elektrischen Maschine 2 proportionale Größe, im vorliegenden Fall eine dem Ankerstrom i proportionale Größe und als Sollwert MS eine dem Durchmesser D einstellbar proportionale Größe k x D. Der Faktor k ist ein Maß für den gewünschten Zug. Um Instabilitäten zu vermeiden, ist dieser Korrekturregelkreis relativ langsam im Verhältnis zum Drehzahlregelkreis.A further superimposed correction control loop is provided with a correction controller 9 with PI behavior, which additionally gives a correcting variable to the input of the speed controller 8 in order to maintain the desired train. This correction controller receives a variable proportional to the torque M i of the electrical machine 2, in the present case a variable proportional to the armature current i, and a desired value M S a variable adjustable to the diameter D kx D. The factor k is a measure of the desired Train. In order to avoid instabilities, this correction control loop is relatively slow in relation to the speed control loop.

Zur Bildung des dem Produkt aus Wicklerdrehzahl n und 5 Wickeldurchmesser D proportionalen Wertes vi ist eine Regelschleife 14 vorgesehen, die aus der Reihenschaltung eines Kippverstärkers 13, eines Integrators 12 und eines Multiplizierers 11 besteht. Das zweite Eingangssignal des Multiplizierers 11, das der Drehzahl n des Wicklers 3 entspricht, wird dabei von einer mit der Maschine 2 gekuppelten Tachometermaschine 16 geliefert.Das sich am Ausgang dieser Regelschleife 14 einstellende Signal n x D wird zum Eingang der Regelschleife, d.h. zum Eingang des Kippverstärkers 13 zurückgeführt und mit der der Wärenbahngeschwindigkeit vs proportionalen Größe verglichen. Die Regelschaltung arbeitet so, daß sie versucht, die am Eingang des Kippverstärkers 13 auftretende Differenz fortlaufend zu Null zu machen. Hierdurch muß sich dann zwangsläufig am Ausgang dieser Schaltung ein Wert einstellen, der dem Produkt aus Drehzahl n x Durchmesser D entspricht, da dieser Wert ja der gewünschten Bahngeschwindigkeit bzw. Umfangsgeschwindigkeit des Wicklers 3 entspricht.In order to form the value v i proportional to the product of winder speed n and 5 winding diameter D, a control loop 14 is provided, which consists of the series connection a toggle amplifier 13, an integrator 12 and a multiplier 11. The second input signal of the multiplier 11, which corresponds to the speed n of the winder 3, is supplied by a tachometer machine 16 coupled to the machine 2. The signal nx D which arises at the output of this control loop 14 becomes the input of the control loop, ie the input of the Tilt amplifier 13 fed back and compared with the size proportional to the web speed v s . The control circuit works so that it tries to continuously make the difference occurring at the input of the flip-flop 13 to zero. As a result, a value must inevitably be set at the output of this circuit which corresponds to the product of the speed nx diameter D, since this value corresponds to the desired web speed or peripheral speed of the winder 3.

Durch die Regelung der Umfangsgeschwindigkeit mit dem Produkt n x D bzw. vs wird erreicht, daß die Eingangsgrößen am Eingang des Drehzahlreglers vom wachsenden Durchmesser nicht beeinflußt werden.By regulating the peripheral speed with the product nx D or v s it is achieved that the input variables at the input of the speed controller are not influenced by the increasing diameter.

Da der Multiplizierer 11 das Produkt n x D bildet und an einem Eingang die Größe n liegt, muß die am anderen Eingang des Mültiplizierers 11 vorhandene Größe dem Wickeldurchmesser D proportional sein. Es wird daher diese zwischen Integrator 12 und Multiplizierer 11 sich einstellende Spannung als Wert für den Wickeldurchmesser D benutzt. Mit einem angeschlossenen Potentiometer 15 kann dann als Sollwert MS für den Korrekturregler 9 ein dem Wickeldurchmesser proportionaler Korrektursollwert k x D gebildet werden. Der Wert k ist ein Maß für den gewünschten Zugsollwert. Falls es erwünscht ist, den Zugdurchmesser abhängig zu verändern, kann auch noch in die Leitung vor oder hinter dem Potentiometer 15 ein nichtgezeigter Funktionsgeber eingebaut werden, durch den eine durchmesserabhängige Veränderung des Zuges bewirkt wird.Since the multiplier 11 forms the product nx D and the size n is at one input, the size present at the other input of the waste multiplier 11 must be proportional to the winding diameter D. This voltage which is established between integrator 12 and multiplier 11 is therefore used as the value for the winding diameter D. With a connected potentiometer 15, a correction setpoint kx D proportional to the winding diameter can then be formed as the setpoint M S for the correction controller 9. The value k is a measure of the desired train setpoint. If it is desired to change the train diameter depending on, can also in the line before or after the potentiometer 15th a function transmitter, not shown, can be installed, by means of which a change in the train depending on the diameter is effected.

Zusammenfassend läßt sich also die Regelung in der Weise beschreiben, daß einer Regelung der Umfangsgeschwindigkeit des Wicklers, bei der der Istwert der Umfangsgeschwindigkeit aus Wicklerdrehzahl und Wicklerdurchmesser errechnet wird, ein Korrekturregelkreis überlagert ist, der z.B. als Momentenregelkreis arbeitet.In summary, the control can be described in such a way that a correction control circuit is superimposed on a control of the peripheral speed of the winder, in which the actual value of the peripheral speed is calculated from the winder speed and the winder diameter. works as a torque control loop.

6 Patentansprüche6 claims

1 Figur1 figure

Claims (6)

1. Einrichtung zum Regeln der Zugspannung bei einem Achswickler mit a) einem Drehzahlregelkreis für den Wickelantrieb und b) einer Rechenschaltung zur Ermittlung eines dem Wickeldurchmesser proportionalen Wertes aus Warenbahngeschwindigkeit und Wicklerdrehzahl,
gekennzeichnet durch folgende Merkmale: c) dem Hauptregelkreis (8) des Wickelantriebes (2) wird als Sollwert eine der Warenbahngeschwindigkeit proportionale Größe (vs) und als Istwert eine dem Produkt aus Wickeldurchmesser (D) und Wickeldrehzahl (n) proportionale Größe (vi) zugeführt, d) dem Hauptregelkreis (8) ist ein im Verhältnis dazu träger Korrekturregelkreis (9) überlagert, dem als Sollwert (Ms) eine dem Durchmesser (D) einstellbar proportionale Größe und als Istwert eine dem Drehmoment des Wickelantriebes (2) proportionale Größe (Mi) zugeführt ist. 1st Device for regulating the tension in an axle winder with a) a speed control loop for the winding drive and b) a computing circuit for determining a value proportional to the winding diameter from the web speed and the winding speed,
characterized by the following features: c) the main control loop (8) of the winding drive (2) is supplied with a value proportional to the web speed (v s ) and as the actual value a value proportional to the product of the winding diameter (D) and the winding speed (n) (v i ), d) the main control loop (8) is overlaid with a sluggish correction control loop (9), which is set as a setpoint (M s ) a size adjustable in proportion to the diameter (D) and as an actual value a size proportional to the torque of the winding drive (2) (M i ) is supplied. 2. Einrichtung nach Anspruch 1, dadurch g e - kennzeichnet, daß der dem Produkt aus Wickeldrehzahl (n) und Durchmesser (D) proportionale Wert (vi) in einer gesonderten Regelschleife (14) aus der Bedingung ermittelbar ist, daß die Differenz zwischen Warenbahngeschwindigkeit (vs) und einem Wert, der dem Produkt aus Wickeldrehzahl (n) und Wickeldurchmesser (D) proportional ist, fortlaufend zu Null gemacht ist.2. Device according to claim 1, characterized in that the value (v i ) proportional to the product of winding speed (n) and diameter (D) can be determined in a separate control loop (14) from the condition that the difference between the web speed (v s ) and a value that is proportional to the product of the winding speed (n) and the winding diameter (D) is continuously made zero. 3. Einrichtung nach Anspruch 1 und 2, dadurch gekennzeichnet, daß der in der gesonderten Regelschleife (14) errechnete Durchmesser (D) zur Bildung eines dazu proportipnalen Sollwertes (Ms) für den Korrekturregelkreis (9) dient.3. Device according to claim 1 and 2, characterized in that the diameter (D) calculated in the separate control loop (14) is used to form a proportional value (M s ) for the correction control circuit (9). 4. Einrichtung nach Anspruch 1 bis 3, dadurch gekennzeichnet, daß eine Reihenschaltung von Kippverstärker (13), Integrator (12) und Multiplizierer (11) vorgesehen ist, deren Ausgangsgröße zusam- men mit der der Warenbahngeschwindigkeit (vs) proportionalen Größe am Eingang des Kippverstärkers (13) liegt und daß am zweiten Eingang des Multiplizierers eine der Wickeldrehzahl (n) proportionale Größe anliest, so daß sich am Ausgang des Multiplizierers (11) eine dem Produkt aus Durchmesser (D) und Wicklerdrehzahl (n) proportionale Größe ergibt.4. Device according to claim 1 to 3, characterized in that a series circuit of Kippverstärker (13), the integrator is provided (12) and multiplier (11) whose output together - men with the web speed (vs) magnitude proportional to the input of Tilt amplifier (13) and that at the second input of the multiplier reads a size proportional to the winding speed (n), so that at the output of the multiplier (11) there is a size proportional to the product of diameter (D) and winder speed (n). 5. Einrichtung nach Anspruch 1 und 4, dadurch gekennzeichnet, daß die dem Wicklerdurchmesser (D) einstellbar proportionale Größe (k, D) an einem zwischen Integrator (12) und Multiplizierer (11) angeschlossenen Potentiometer (15) abgreifbar ist.5. A device according to claim 1 and 4, characterized in that the size (k, D) of the winder diameter (D), which is adjustable, can be tapped on a potentiometer (15) connected between the integrator (12) and multiplier (11). 6. Einrichtung nach Anspruch 1, dadurch gekennzeichnet, daß dem Korrekturregelkreis (a) als Istwert eine dem Ankerstrom (i) des Wickelantriebes (2) proportionale Größe über ein Verzögerungsglied zuführbar ist.6. Device according to claim 1, characterized in that the correction control loop (a) as an actual value, the armature current (i) of the winding drive (2) proportional size can be supplied via a delay element.
EP83108344A 1982-09-06 1983-08-24 Tension control device for a shaft winder Expired EP0102589B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19823233054 DE3233054A1 (en) 1982-09-06 1982-09-06 DEVICE FOR REGULATING THE TENSION TENSION IN AN AXLE WRAPER
DE3233054 1982-09-06

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EP0102589A2 true EP0102589A2 (en) 1984-03-14
EP0102589A3 EP0102589A3 (en) 1985-05-22
EP0102589B1 EP0102589B1 (en) 1987-08-05

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EP83108344A Expired EP0102589B1 (en) 1982-09-06 1983-08-24 Tension control device for a shaft winder

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JP (1) JPS5964462A (en)
DE (2) DE3233054A1 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2201013A (en) * 1987-02-06 1988-08-17 Intermec Corp Method and apparatus for controlling tension in tape
WO2003104121A1 (en) * 2002-06-10 2003-12-18 The Procter & Gamble Company Consumer product winding control and adjustment
EP3858771A1 (en) * 2020-01-28 2021-08-04 Siemens Aktiengesellschaft Dancer-based web tension control and cascade control system

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3224665B1 (en) 2014-11-24 2018-08-22 Philips Lighting Holding B.V. Lighting device and lighting system

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CH412069A (en) * 1960-06-23 1966-04-30 Bbc Brown Boveri & Cie Electric winding device
FR1486040A (en) * 1966-07-06 1967-06-23 Westinghouse Electric Corp Device for detecting the diameter of a roll formed by a rotating belt
US3348107A (en) * 1964-07-01 1967-10-17 Reliance Electric & Eng Co Tension controlled web drive
FR2069385A5 (en) * 1969-11-15 1971-09-03 Siemens Ag
FR2173558A5 (en) * 1972-02-23 1973-10-05 Siemens Ag Automatic yarn speed control - by square pulses derived from contact roller and compared with tachometer output

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH412069A (en) * 1960-06-23 1966-04-30 Bbc Brown Boveri & Cie Electric winding device
US3348107A (en) * 1964-07-01 1967-10-17 Reliance Electric & Eng Co Tension controlled web drive
FR1486040A (en) * 1966-07-06 1967-06-23 Westinghouse Electric Corp Device for detecting the diameter of a roll formed by a rotating belt
FR2069385A5 (en) * 1969-11-15 1971-09-03 Siemens Ag
FR2173558A5 (en) * 1972-02-23 1973-10-05 Siemens Ag Automatic yarn speed control - by square pulses derived from contact roller and compared with tachometer output

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2201013A (en) * 1987-02-06 1988-08-17 Intermec Corp Method and apparatus for controlling tension in tape
GB2201013B (en) * 1987-02-06 1991-10-16 Intermec Corp Method and apparatus for controlling tension in tape progressed along a feed path
WO2003104121A1 (en) * 2002-06-10 2003-12-18 The Procter & Gamble Company Consumer product winding control and adjustment
EP3858771A1 (en) * 2020-01-28 2021-08-04 Siemens Aktiengesellschaft Dancer-based web tension control and cascade control system

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DE3233054A1 (en) 1984-03-08
JPS5964462A (en) 1984-04-12
EP0102589A3 (en) 1985-05-22
EP0102589B1 (en) 1987-08-05
DE3372849D1 (en) 1987-09-10
JPS6365578B2 (en) 1988-12-16

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