EP0803596A3 - Minimum value determining regulation method at a drawing or carding machine - Google Patents

Minimum value determining regulation method at a drawing or carding machine Download PDF

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Publication number
EP0803596A3
EP0803596A3 EP97101944A EP97101944A EP0803596A3 EP 0803596 A3 EP0803596 A3 EP 0803596A3 EP 97101944 A EP97101944 A EP 97101944A EP 97101944 A EP97101944 A EP 97101944A EP 0803596 A3 EP0803596 A3 EP 0803596A3
Authority
EP
European Patent Office
Prior art keywords
card
control
draw frame
minimum value
value determining
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.)
Granted
Application number
EP97101944A
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German (de)
French (fr)
Other versions
EP0803596B1 (en
EP0803596A2 (en
Inventor
Joachim Dämmig
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.)
Rieter Ingolstadt Spinnereimaschinenbau AG
Original Assignee
Rieter Ingolstadt Spinnereimaschinenbau AG
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 Rieter Ingolstadt Spinnereimaschinenbau AG filed Critical Rieter Ingolstadt Spinnereimaschinenbau AG
Publication of EP0803596A2 publication Critical patent/EP0803596A2/en
Publication of EP0803596A3 publication Critical patent/EP0803596A3/en
Application granted granted Critical
Publication of EP0803596B1 publication Critical patent/EP0803596B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01H—SPINNING OR TWISTING
    • D01H5/00—Drafting machines or arrangements ; Threading of roving into drafting machine
    • D01H5/18—Drafting machines or arrangements without fallers or like pinned bars
    • D01H5/32—Regulating or varying draft
    • D01H5/38—Regulating or varying draft in response to irregularities in material ; Measuring irregularities
    • D01H5/42—Regulating or varying draft in response to irregularities in material ; Measuring irregularities employing electrical time-delay devices

Abstract

Vorgeschlagen wird ein Verfahren zum direkten Ermitteln von Einstellwerten für Regeleinsatzpunkt und/oder Verstärkung (R,K) einer im Verzug von Faserband einstellbaren Strecke oder Karde, bei dem die Steuerung der einstellbaren Strecke oder Karde mindestens eine Vorsteuerung (10) aufweist, um den Verzug des Faserbandes (20) zu verändern. Es ist Aufgabe der Erfindung, die Optimierung zu beschleunigen, die Optimierung aber nicht so zu gestalten, daß sie eine inhärente Unruhe der Streckenregulierung erzeugt. Erreicht wird das, wenn anhand von mehreren Meßwerten (CV1,CV2,CV3) einer qualitäts-kennzeichnenden Größe, wie CV-Wert, eine Funktion (a,b) ermittelt wird, deren Minimum (am,bm) einen optimierten Parameter, wie Regeleinsatzpunkt oder Verstärkung (R0,K0), für die Steuerung (10) der Strecke oder Karde ergibt; und der optimierte Parameter in einem vorbetrieblichen Test- oder Einstellauf der Strecke oder Karde ermittelt wird und im Betrieb weitgehend unverändert bleibt.

Figure 00000001
A method is proposed for the direct determination of setting values for the control starting point and / or reinforcement (R, K) of a draw frame or card that can be adjusted in the draft of fiber sliver, in which the control of the adjustable draw frame or card has at least one pilot control (10) for the delay to change the sliver (20). It is an object of the invention to accelerate the optimization, but not to design the optimization so that it creates an inherent unrest in the route regulation. This is achieved if a function (a, b) is determined on the basis of several measured values (CV 1 , CV 2 , CV 3 ) of a quality-determining variable, such as CV value, the minimum (a m , b m ) of which is one optimized parameters, such as control starting point or gain (R 0 , K 0 ), for the control (10) of the line or card; and the optimized parameter is determined in a pre-operational test or setting on the draw frame or card and remains largely unchanged during operation.
Figure 00000001
EP97101944A 1996-04-22 1997-02-07 Minimum value determining regulation method at a drawing or carding machine Expired - Lifetime EP0803596B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19615947A DE19615947B4 (en) 1996-04-22 1996-04-22 Minimum-seeking regulatory optimization
DE19615947 1996-04-22

Publications (3)

Publication Number Publication Date
EP0803596A2 EP0803596A2 (en) 1997-10-29
EP0803596A3 true EP0803596A3 (en) 1999-07-14
EP0803596B1 EP0803596B1 (en) 2001-07-04

Family

ID=7792050

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97101944A Expired - Lifetime EP0803596B1 (en) 1996-04-22 1997-02-07 Minimum value determining regulation method at a drawing or carding machine

Country Status (3)

Country Link
US (1) US5771542A (en)
EP (1) EP0803596B1 (en)
DE (2) DE19615947B4 (en)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6286188B1 (en) * 1997-09-01 2001-09-11 Maschinenfabrik Rieter Ag Regulated drawing frame
EP1078116B2 (en) † 1998-05-13 2006-07-12 Maschinenfabrik Rieter Ag Machine for processing a textile material and comprising a drawing system
AU4127999A (en) * 1998-06-12 2000-01-05 Maschinenfabrik Rieter A.G. Adjusting drawframe
DE19921429B4 (en) * 1998-06-29 2017-03-02 Rieter Ingolstadt Gmbh Method and device for error correction of a measured value of sliver supplied by a measuring device in a textile machine
DE10041892A1 (en) * 2000-08-25 2002-03-07 Truetzschler Gmbh & Co Kg Device on a regulating section for slivers for the direct determination of setting values for the regulating point of use
DE10041893A1 (en) * 2000-08-25 2002-03-07 Truetzschler Gmbh & Co Kg Device on a regulating section for the direct determination of setting values for the regulating point of use
DE10041894B4 (en) * 2000-08-25 2011-08-11 Trützschler GmbH & Co. KG, 41199 Method and apparatus for drawing fiber sliver in a fibrous material regulating path for directly determining adjustment values for the regulation point of use
DE10059262A1 (en) 2000-11-29 2002-06-13 Truetzschler Gmbh & Co Kg Process for optimizing the regulation and control of drafting devices on spinning machines
US6543092B2 (en) * 2001-02-16 2003-04-08 TRüTZSCHLER GMBH & CO. KG Method of determining setting values for a preliminary draft in a regulated draw frame
DE10214649A1 (en) * 2002-04-02 2003-10-16 Rieter Ingolstadt Spinnerei Device for optimizing the regulation settings of a spinning machine and corresponding method
DE10236778B4 (en) * 2002-08-10 2011-05-05 Rieter Ingolstadt Gmbh Method and device for drawing at least one sliver
DE10253197B4 (en) * 2002-11-15 2011-05-05 Rieter Ingolstadt Gmbh Method for determining the control point of use in spinning preparation machines and spinning preparation machine
BRPI0610234B1 (en) * 2005-05-06 2016-08-16 Sree Ayyanar Spinning And Weaving Mills Ltd method for smoothing the stretching of a fiber blend and fiber stretching system
DE102005037124A1 (en) * 2005-08-06 2007-02-08 Rieter Ingolstadt Spinnereimaschinenbau Ag Method for controlling the draft of a default field of a textile machine and textile machine
DE102006029639B4 (en) * 2006-06-28 2018-04-12 Rieter Ingolstadt Gmbh Method for controlling the draft of a drafting system of a textile machine and textile machine
CN114351301B (en) * 2021-12-17 2023-02-28 东华大学 Self-adjusting and leveling method based on stable fiber motion state in drafting zone

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0176661A2 (en) * 1984-09-25 1986-04-09 Zellweger Luwa Ag Method and apparatus for optimum drafting in regulating draft frames of the textile industry
JPS63175125A (en) * 1987-01-09 1988-07-19 Chubu Seiko Kk Drawframe
WO1992022692A2 (en) * 1991-06-04 1992-12-23 Schubert & Salzer Maschinenfabrik Ag Process and device for correcting the moment and intensity of regulation
EP0617149A1 (en) * 1993-02-25 1994-09-28 SPINNEREIMASCHINENBAU LEISNIG GmbH Method for evening textile fibre bands
DE9320794U1 (en) * 1993-12-20 1995-02-16 Truetzschler Gmbh & Co Kg Regulating drafting system for slivers on a line with an inlet measuring element

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3429718A1 (en) * 1984-08-13 1986-02-20 H. Dipl.-Ing. 3400 Göttingen Lobenhoffer METHOD FOR THE PRODUCTION OF MATERIAL BODIES
IT1227771B (en) * 1986-07-04 1991-05-06 Zinser Textilmaschinen Gmbh PROCEDURE AND DEVICE FOR ADJUSTING THE IRON OF A FIBER TAPE IN A TEXTILE MACHINE.
DE4215682B4 (en) * 1991-06-04 2004-07-22 Rieter Ingolstadt Spinnereimaschinenbau Ag Method and device for correcting the regulating point of application and the regulating intensity
DE4131765A1 (en) * 1991-09-24 1993-03-25 Siemens Ag CONTROL PARAMETER IMPROVEMENT METHOD FOR INDUSTRIAL PLANTS
DE4219777A1 (en) * 1992-06-17 1993-12-23 Rieter Ingolstadt Spinnerei Method and device for signal analysis of a regulating system
DE4434294C2 (en) * 1994-09-19 1999-04-29 Hartmann & Braun Gmbh & Co Kg Method for controlling a non-linear, technical process

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0176661A2 (en) * 1984-09-25 1986-04-09 Zellweger Luwa Ag Method and apparatus for optimum drafting in regulating draft frames of the textile industry
JPS63175125A (en) * 1987-01-09 1988-07-19 Chubu Seiko Kk Drawframe
WO1992022692A2 (en) * 1991-06-04 1992-12-23 Schubert & Salzer Maschinenfabrik Ag Process and device for correcting the moment and intensity of regulation
EP0617149A1 (en) * 1993-02-25 1994-09-28 SPINNEREIMASCHINENBAU LEISNIG GmbH Method for evening textile fibre bands
DE9320794U1 (en) * 1993-12-20 1995-02-16 Truetzschler Gmbh & Co Kg Regulating drafting system for slivers on a line with an inlet measuring element

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 012, no. 450 (C - 547) 25 November 1988 (1988-11-25) *

Also Published As

Publication number Publication date
US5771542A (en) 1998-06-30
DE19615947A1 (en) 1997-10-23
DE19615947B4 (en) 2007-10-31
DE59703932D1 (en) 2001-08-09
EP0803596B1 (en) 2001-07-04
EP0803596A2 (en) 1997-10-29

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