EP0117896B1 - Regeleinrichtung zur kanten- oder mittengenauen Führung von bandförmigen Materialbahnen - Google Patents

Regeleinrichtung zur kanten- oder mittengenauen Führung von bandförmigen Materialbahnen Download PDF

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Publication number
EP0117896B1
EP0117896B1 EP83109530A EP83109530A EP0117896B1 EP 0117896 B1 EP0117896 B1 EP 0117896B1 EP 83109530 A EP83109530 A EP 83109530A EP 83109530 A EP83109530 A EP 83109530A EP 0117896 B1 EP0117896 B1 EP 0117896B1
Authority
EP
European Patent Office
Prior art keywords
setting
setting member
control
equipment according
regulator
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
EP83109530A
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German (de)
English (en)
French (fr)
Other versions
EP0117896A2 (de
EP0117896A3 (en
Inventor
Heinz-Ludwig Ing.-Grad. Dingerkus
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.)
ELMEG Elektro Mechanik GmbH
Original Assignee
ELMEG Elektro Mechanik GmbH
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Publication date
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Application filed by ELMEG Elektro Mechanik GmbH filed Critical ELMEG Elektro Mechanik GmbH
Publication of EP0117896A2 publication Critical patent/EP0117896A2/de
Publication of EP0117896A3 publication Critical patent/EP0117896A3/de
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Classifications

    • 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
    • B65H23/02—Registering, tensioning, smoothing or guiding webs transversely
    • B65H23/032—Controlling transverse register of web
    • B65H23/0326—Controlling transverse register of web by moving the unwinding device
    • 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
    • B65H23/02—Registering, tensioning, smoothing or guiding webs transversely
    • B65H23/032—Controlling transverse register of web
    • B65H23/038—Controlling transverse register of web by rollers

Definitions

  • the invention relates to a control device for guiding strip-shaped material webs that run precisely on the edge or in the middle, which run over rollers and are guided by an actuator and whose position is determined for detecting the control deviation, the belt speed being used for the control.
  • control devices for guiding material webs with precise edges or in the middle are used in the production and processing of band-shaped materials.
  • regulators with hydraulically or electrically driven actuators are used, the reel and / or control rollers being used as actuators.
  • the measuring device for detecting the position of the material web must be arranged in the immediate vicinity of the associated actuator. In many cases, however, this is not possible, since the material web is passed, for example, through a high-temperature furnace or a wet area. In these cases, the belt position must be scanned at a location distant from the actuator, which usually leads to an undesired oscillation of the material webs. According to US Pat. No. 3,568,904, this pendulum process can be avoided by clocking or adjusting the actuators step by step.
  • the object of the invention is to enable continuous, pendulum-free control and to quickly regulate the belt path to zero.
  • control deviation is given via a P controller to the first input and the belt speed to the second input of a multiplier which is followed by an integrator whose output signal is used to control the actuator is that the first control loop between the output of the integrator and the actuator is subordinate to a second control loop with a positioner for the actuator and that the positioner is subjected to a control deviation, which results from the output signal of the integrator as the setpoint and the actual value of the actuator or is formed by means of an actual value of the strip profile measured directly behind the actuator.
  • This control device has the advantage that an otherwise necessary control role can be omitted while maintaining continuous control. Another advantage can be seen in the fact that, even in cases where the control deviation is determined at a location remote from the actuator, continuous control is ensured, which quickly adjusts a belt path to zero without oscillation.
  • the control deviation multiplied by the belt speed, flows into the first control loop for stabilization.
  • the invention is based on the finding that the behavior of the controlled system changes as a function of the belt speed.
  • a running web of material always tends to maintain a right angle to the roll axis. If the material web is moved transversely to the strip running direction by means of a control roller or reel, there is a proportional angular deviation from the neutral position. This angular deviation is noticeable in a lateral displacement of the belt.
  • the resulting lateral transport speed is the product of the belt speed and the tangent of the angular deviation. Since the dead and delay times of the controlled system change with the belt speed in this way, the control parameters must also be adapted accordingly.
  • the control deviation is also given to the first input of the multiplier.
  • the belt speed is applied to the control loop via the second input of the multiplier.
  • the material web 1 runs in the direction of arrow 2 through a furnace 3.
  • the material web is driven by the drive rollers 4.
  • the reel arranged on the right-hand side in front of the furnace is not shown, since it is not used for regulation in the exemplary embodiment is used.
  • the tape 1 runs over the control roller 5 designed as an actuator to a water reservoir 6, which serves on this side of the furnace to seal the protective gas in the furnace.
  • the belt is then guided to the two drive rollers 4 via the deflection roller 7.
  • a tachometer machine 8 for measuring the belt speed is connected to the drive roller 4. Behind the drive rollers there is a measuring device 9 for determining the position of the material web. The actual value of the position for determining the control deviation is measured at this point.
  • control roller 5 serves as the actuator.
  • the control roller 5 is pivotably mounted about an axis 11 via a holder 10.
  • the swiveling process takes place hydraulically by means of an actuating cylinder 12.
  • the position of the swivel arm and thus the position of the control roller is measured by means of a displacement sensor 13.
  • the control path between the control roller 5 and the drive rollers, in which the deviating belt path is to be corrected, is symbolically represented by 16.
  • the measuring device 9 for recording the actual value.
  • This actual position of the material strip is given with the predetermined target position to the summing point 17, from which an exit leads to the input of the P controller 18.
  • the output signal of the P controller 18 is fed to a first input of the multiplier 19.
  • the belt speed is applied to the control loop via the second input of the multiplier.
  • the output of the tachometer machine 8 is routed to the second input of the multiplier 19.
  • the multiplier 19 is followed by an integrator 20.
  • a signal can be derived from the output signal of the integrator, which adjusts the control roller 5 as a manipulated variable.
  • a displacement sensor 13 is connected between the actuator 5 and the summing point 21. Furthermore, the output signal of the integrator is given to this summation point.
  • the output signal of the integrator 20 represents the target value for the control circuit 15.
  • the position of the control roller or of the actuator 5 is specified as the actual value.
  • the position of the actuator is determined or measured by the Wegaufnehrmers 13.
  • the control deviation is given to the positioner 22, the output signal of which controls a downstream servo valve 23, which in turn acts hydraulically on the actuating cylinder 12, as a result of which the actuator is hydraulically adjusted.
  • the effect of the two control loops 14 and 15 can also be summarized in that the multiplier 19 and the integrator 20 represent a stabilizing element for the control loop 14.
  • the positioner 2 has the characteristic of a P-controller, which is followed by the servo valve 23 and the actuating cylinder 12 as an I-element.
  • the tape 1 is unwound from the reel 25 in the direction of arrow 2.
  • the tape feed is effected via the drive rollers 4.
  • the strip is guided from the reel to the processing point 24 via the three deflection rollers 7, 7 ', 7 ".
  • the reel 25, which is designed as an actuator is connected to an unwinding block 26, on which the piston of an actuating cylinder 12 acts.
  • the actual value of the belt run is measured directly behind the reel 25 by means of the measuring device 27 and then in front of the processing point 24 0 by the measuring device 9.
  • a tachometer machine 8 is connected to the drive rollers 4 for measuring the belt speed
  • the controlled system is designated by 16. The control is carried out by means of the control device according to Fig. 2.
  • the output signal of the measuring device 27 positioned directly behind the actuator 25 is given to the summing point 27 the displacement sensor 13. Furthermore, the end of this summing point given the output signal of the integrator 20.
  • the output signal of the integrator 20 represents the desired value for the control circuit 14.
  • the position of the belt 1 behind the actuator 25 is specified as the actual value.
  • the control deviation is given to the positioner 22, the output signal of which controls a downstream servo valve 23, which in turn acts hydraulically on the actuating cylinder 12, as a result of which the actuator is hydraulically adjusted.

Landscapes

  • Registering, Tensioning, Guiding Webs, And Rollers Therefor (AREA)
  • Control Of Position Or Direction (AREA)
EP83109530A 1983-03-03 1983-09-24 Regeleinrichtung zur kanten- oder mittengenauen Führung von bandförmigen Materialbahnen Expired EP0117896B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3307499A DE3307499C3 (de) 1983-03-03 1983-03-03 Regeleinrichtung zur kanten- oder mittengenauen Führung von bandförmigen Materialbahnen
DE3307499 1983-03-03

Publications (3)

Publication Number Publication Date
EP0117896A2 EP0117896A2 (de) 1984-09-12
EP0117896A3 EP0117896A3 (en) 1985-08-21
EP0117896B1 true EP0117896B1 (de) 1987-08-19

Family

ID=6192396

Family Applications (1)

Application Number Title Priority Date Filing Date
EP83109530A Expired EP0117896B1 (de) 1983-03-03 1983-09-24 Regeleinrichtung zur kanten- oder mittengenauen Führung von bandförmigen Materialbahnen

Country Status (4)

Country Link
US (1) US4648539A (enrdf_load_stackoverflow)
EP (1) EP0117896B1 (enrdf_load_stackoverflow)
JP (1) JPS59168516A (enrdf_load_stackoverflow)
DE (1) DE3307499C3 (enrdf_load_stackoverflow)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3543846A1 (de) * 1985-12-12 1987-06-19 Kammann Maschf Werner Verfahren und vorrichtung zum positionieren einer absatzweise vorzutransportierenden materialbahn
US4896807A (en) * 1988-04-15 1990-01-30 Quad/Tech, Inc. Web guide apparatus
US5274573A (en) * 1989-07-31 1993-12-28 Accuweb, Inc. Ultrasonic web edge detection method and apparatus
US5072414A (en) * 1989-07-31 1991-12-10 Accuweb, Inc. Ultrasonic web edge detection method and apparatus
US5058793A (en) * 1990-01-16 1991-10-22 The North American Manufacturing Company Apparatus for guiding a moving strip
US5126946A (en) * 1990-11-13 1992-06-30 The North American Manufacturing Company Ultrasonic edge detector
DE4203979C2 (de) * 1992-02-11 1995-11-23 Bst Servo Technik Gmbh Verfahren zum Positionieren eines Fühlers, insbesondere für eine Bahnlaufregeleinrichtung
DE4231388C2 (de) * 1992-09-19 1997-05-22 Roskath Textilmaschinen Gmbh Vorrichtung zur Stoffzuführung für einen Niedriglagen-Cutter
US5711470A (en) * 1994-12-01 1998-01-27 The North American Manufacturing Company Apparatus and method for adjusting the lateral position of a moving strip
JP3589892B2 (ja) 1999-03-18 2004-11-17 富士通株式会社 プラズマディスプレイパネル
DE102006012972B4 (de) * 2006-03-21 2008-02-28 Texmag Gmbh Vertriebsgesellschaft Gmbh Vorrichtung zur Regelung des seitlichen Versatzes von Materialbahnen
JP2013035678A (ja) * 2011-08-10 2013-02-21 Seiko Epson Corp 帯状媒体搬送装置、及び、帯状媒体の制御方法
DE102012110010B4 (de) 2012-10-19 2016-09-01 Bwg Bergwerk- Und Walzwerk-Maschinenbau Gmbh Vorrichtung und Verfahren zur kontinuierlichen Behandlung eines Metallbandes

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2654599A (en) * 1949-06-27 1953-10-06 Electric Eye Equipment Company Side registration control device for moving webs
US2716026A (en) * 1951-10-25 1955-08-23 Union Wadding Company Web guiding device
DE1151423B (de) * 1957-09-04 1963-07-11 Windmoeller & Hoelscher Vorrichtung zum selbsttaetigen Seitenregulieren von Papier- oder Kunststoffbahnen, insbesondere in Maschinen zum Herstellen von Papiersaecken
US3017062A (en) * 1959-11-17 1962-01-16 Electric Eye Equipment Company Steering roll construction with slidable pivot
US3040944A (en) * 1960-01-08 1962-06-26 Wallingford Steel Company Edge guide feed-back system
DE1277419B (de) * 1964-10-30 1968-09-12 Continental Elektro Ind Ag Einrichtung zur Lageregelung Laufender Baender
US3323740A (en) * 1965-07-07 1967-06-06 Huck William F Apparatus for maintaining transverse registration of a moving web
US3323699A (en) * 1965-10-04 1967-06-06 Allegheny Ludlum Steel Strip centerline sensor and control
US3343737A (en) * 1965-10-22 1967-09-26 Ind Ovens Inc Web guiding and edge maintaining means
US3313461A (en) * 1966-04-19 1967-04-11 Allegheny Ludlum Steel Steering and control device
US3568904A (en) * 1969-08-01 1971-03-09 Gpe Controls Inc Sample data web and strip guide control system
US3610494A (en) * 1969-09-08 1971-10-05 Carl H Minton Strip steering roll assembly
US3664561A (en) * 1969-11-26 1972-05-23 Fife Corp Web guiding device
JPS5110279A (en) * 1974-07-16 1976-01-27 Sumitomo Metal Ind Sutoritsupukoiruno etsujichoseisochino kandoseigyosochi
US4021031A (en) * 1975-12-08 1977-05-03 Butler Automatic, Inc. Web alignment system
DE2615371C2 (de) * 1976-04-08 1982-04-01 Siemens AG, 1000 Berlin und 8000 München Einrichtung zur Registerregelung bei Rotationsdruckmaschinen
SE449799C (sv) * 1981-04-28 1989-04-17 Pietzsch Ibp Gmbh Anordning foer laegesinstaellning och laegesstabilisering

Also Published As

Publication number Publication date
JPS59168516A (ja) 1984-09-22
DE3307499C3 (de) 1995-02-09
JPH0574082B2 (enrdf_load_stackoverflow) 1993-10-15
EP0117896A2 (de) 1984-09-12
DE3307499A1 (de) 1984-09-06
US4648539A (en) 1987-03-10
DE3307499C2 (enrdf_load_stackoverflow) 1988-06-01
EP0117896A3 (en) 1985-08-21

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