EP3153609B1 - Système d'entrainement pour une machine de textile - Google Patents

Système d'entrainement pour une machine de textile Download PDF

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Publication number
EP3153609B1
EP3153609B1 EP16190847.0A EP16190847A EP3153609B1 EP 3153609 B1 EP3153609 B1 EP 3153609B1 EP 16190847 A EP16190847 A EP 16190847A EP 3153609 B1 EP3153609 B1 EP 3153609B1
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EP
European Patent Office
Prior art keywords
motor torque
textile
designed
torque signal
drive assembly
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.)
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Application number
EP16190847.0A
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German (de)
English (en)
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EP3153609A1 (fr
Inventor
Richard Neumann
Ralf De La Haye
Jürgen STRÖWER
Uwe Schmidt
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.)
Oerlikon Textile GmbH and Co KG
Hanning Elektro Werke GmbH and Co KG
Original Assignee
Oerlikon Textile GmbH and Co KG
Hanning Elektro Werke GmbH and Co KG
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Publication date
Application filed by Oerlikon Textile GmbH and Co KG, Hanning Elektro Werke GmbH and Co KG filed Critical Oerlikon Textile GmbH and Co KG
Publication of EP3153609A1 publication Critical patent/EP3153609A1/fr
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Publication of EP3153609B1 publication Critical patent/EP3153609B1/fr
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Classifications

    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01H—SPINNING OR TWISTING
    • D01H1/00—Spinning or twisting machines in which the product is wound-up continuously
    • D01H1/14—Details
    • D01H1/20—Driving or stopping arrangements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H54/00—Winding, coiling, or depositing filamentary material
    • B65H54/70—Other constructional features of yarn-winding machines
    • B65H54/74—Driving arrangements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H63/00—Warning or safety devices, e.g. automatic fault detectors, stop-motions ; Quality control of the package
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01H—SPINNING OR TWISTING
    • D01H13/00—Other common constructional features, details or accessories
    • D01H13/14—Warning or safety devices, e.g. automatic fault detectors, stop motions ; Monitoring the entanglement of slivers in drafting arrangements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2701/00—Handled material; Storage means
    • B65H2701/30—Handled filamentary material
    • B65H2701/31—Textiles threads or artificial strands of filaments

Definitions

  • the invention relates to a drive arrangement for a textile machine according to the preamble of claim 1.
  • Textile machines commonly used today provide a drive arrangement with a multiplicity of drives which are arranged in, for example, three drive trains and process a plurality of textiles simultaneously across drive trains. It is typical that eight or ten or twelve drives are provided for each drive train, a first textile being processed by the first drives of the various drive trains, a second textile by second drives of the drive trains and so on. A total of eight or ten or twelve textiles can be processed at the same time.
  • the drives that act jointly on a textile each form an active network across the drive train.
  • a drive train and cross-functional control is provided for the coordinated operation of the drives of the active network and to ensure a smooth interaction of these drives.
  • a drive train and cross-functional control is provided for the coordinated operation of the drives of the active network and to ensure a smooth interaction of these drives.
  • a mechanical or optical sensor monitors the condition of the textile and / or controls the processing or operating parameters of the textile machine.
  • a method for measuring a tensile force of a thread in texturing machines is known.
  • the thread tension is determined by measuring the difference between idling and under load.
  • the DE 10 2014 014 729 A1 describes a texturing machine in which a group of eight electric drives has a control module and, separately therefrom, a power supply module.
  • Spinning devices and methods for operating spinning machines are also from the EP 1 609 893 A2 , the EP 2 759 623 A1 and the DE 10 2010 009 164 A1 known.
  • the object of the present invention is to specify a drive arrangement for a textile machine that is optimized in terms of costs.
  • the invention has the features of claim 1.
  • the particular advantage of the invention is that a system state of the drive arrangement can be monitored without the provision of a thread sensor. In this respect, the costs for the thread sensor can be saved and the design of the drive arrangement can be simplified.
  • the operating signals are used for at least one of the drives and the actual state of the drive arrangement is preferably determined for all drives. Furthermore, a current system state (actual state) of the drive arrangement is recorded by comparing the motor torque signal with a reference signal state. For the comparison, an evaluation unit is provided which, on the one hand, is supplied with the engine torque signal and, on the other hand, interacts with or has a reference data memory. The at least one reference signal status of the drive arrangement is stored in the reference data memory.
  • the evaluation unit comprises, in particular, suitably designed computing means.
  • the detection means or the evaluation unit or the controller is designed to post-process the engine torque signal.
  • the amplitudes can be extracted from the motor torque signal or the signal can be transformed from the time domain into the frequency domain.
  • the control or the detection means or the evaluation unit provides corresponding computing means for this purpose.
  • To transform the signal from the time domain into the frequency domain in particular the Fourier transform, the wavelet transform or the Hilbert-Huang transform with the empirical mode decomposition are used as the main component.
  • the short-term Fourier transformation, the Gabor transformation, the fast Fourier transformation or the discrete Fourier transformation can be used in training as a discrete cosine transformation or as a discrete sine transformation.
  • the wavelet transformation in particular the discrete wavelet transformation, the fast wavelet transformation, the wavelet packet transformation or the stationary wavelet transformation are used.
  • discrete, static parameters of the signals can be used and a transformation of the signals in the frequency range can be dispensed with.
  • random variables such as the expected value, the absolute deviation, the variance, the skewness, the excess or the covariance are used as parameters.
  • the signals can also be correlated, in particular cross-correlated or auto-correlated.
  • a combination of the transformed signals and the static parameters can be represented.
  • the common intention is in particular to compare the actual measurement signal with the reference signal state in the context of pattern recognition. This takes place in particular on the basis of specific features which are generated from the signal and summarized in a feature tool, on the basis of a statement about the similarity of the signals in question.
  • a plurality of reference signal states is stored in the reference data memory.
  • a first reference signal state which characterizes a bearing defect of the assigned drive
  • a second reference signal state which characterizes a local thickening of the textile, for example due to a knot in the textile
  • a third reference signal state which characterizes a tear in the textile
  • Further reference signal states can be provided, for example, in order to infer a storage defect in the supply stock or the withdrawal stock of the textile, to detect an imbalance in the drive train, to identify a defective or improperly working fan of the drive or to identify defects in the electronics area to characterize.
  • Loose godets which are fixed as rotating bodies on the shafts of the drives, or winding defects can also be identified via corresponding reference signal states.
  • the operating signals determined by the detection means are compared directly or in processed form by the evaluation unit with the stored reference signal states.
  • a mechanical or optical thread sensor is not necessary in this case, for example, in order to identify a tear in the textile.
  • certain actions can be initiated or carried out for the active network. For example, in the event of a bearing defect, the entire functional network with all drives can be shut down until the necessary maintenance work has been completed. Likewise, it can be provided that all drives of the active composite are switched off in the event of a tear in the textile.
  • the controller can be designed to determine a first motor torque signal for a first drive and a second motor torque signal for an adjacent second drive of the same operative network.
  • the control designed to determine a difference between the engine torque signals.
  • a processing parameter for the textile in particular a thread tension, is then determined on the basis of the difference.
  • a thread tension it is possible to infer the correct course of the production process and, in any case, indirectly implement quality control for the textile.
  • the control of the drive arrangement is designed in several stages. It comprises a higher-level machine control unit and a plurality of control modules which operate the various drives of the active network.
  • the machine control unit and the control modules are connected to one another in terms of data technology via a data bus line.
  • the detection means for determining the engine torque signal and / or the evaluation unit and / or the reference data memory and / or the computing means are part of the control.
  • the drive arrangement according to the invention according to Fig. 1 comprises a supply store 1 for a textile 3 to be processed by the textile machine, which is exemplarily designed in the manner of a thread, as well as a removal reservoir 2, in which the textile 3 is received after processing. Between the supply store 1 and the removal store 2, three drives 4, 5, 6 are provided, which are joined together in an active composite and act jointly on the textile 3. To control the drives 4, 5, 6, a control (not shown) is provided. The control comprises, for example, a higher-level machine control unit and three control modules assigned to the drives 4, 5, 6, which are connected to the machine control unit for data purposes via a data bus line.
  • the withdrawal store 2 provides, for example, a spindle or spool for receiving the textile 3 and a further drive for rotating the spindle or spool receiving the textile 3.
  • the supply supply 1 also includes, for example, a spindle or bobbin for the textile 3.
  • it is of passive design, that is to say it dispenses with a drive.
  • the textile 3 is removed from the supply reservoir 1 by actuating the drives 4, 5, 6 that are combined in the functional composite.
  • first drive 4 of the knitted composite is first fed to a first drive 4 of the knitted composite, then to a second drive 5 of the knitted composite and finally to a third drive 6 of the knitted composite.
  • the drives 4, 5, 6 are arranged in rows, the third drive 6 being provided in front of the second drive 5 and the second drive 5 being provided in front of the first drive 4 when viewed in a thread transport direction 7.
  • the first drive 4 is part of a first drive train of the drive arrangement. Further drives of this first drive train are actuated together with the first drive 4 by the control module assigned to the first drive 4.
  • the second drive 5 and the third drive 6 are each part of a second and a third drive train.
  • the second drive train with the second drive 5 and further drives is operated by a second control module and the third drive train with the third drive 6 and further drives by a third control module.
  • the control modules of the drive trains are preferably data-connected to the higher-level machine control unit via a data bus line.
  • a motor torque signal for the first drive 4, the second drive 5 and the third drive 6 are determined via suitable detection means.
  • the motor current signal in particular, is recorded by sensors, whereas the other operating parameters are determined or calculated on the basis of a model (sensorless drive). It is then particularly the case that the engine torque signal is determined on the basis of a model from the operating parameters of the drive arrangement.
  • the motor torque signal and the motor current signal can be detected by sensors.
  • sensors for example a rotation angle sensor, a speed sensor or a torque sensor, can be provided for this purpose.
  • the sensors are preferably designed as part of the drives 4, 5, 6 or implemented functionally and / or spatially integrated in them. It can also be provided that, for the model-based determination of the motor torque, the motor current on the one hand and the angle of rotation and / or the speed on the other hand are detected by sensors. Accordingly, sensors for detecting the motor current and rotation angle sensors and / or speed sensors are provided.
  • the operating signals (engine torque signal) of the drives 4, 5, 6 determined by the detection means are fed to an evaluation unit of the drive arrangement.
  • the evaluation unit determines a system state of the drive arrangement in that the operating signals are compared with at least one reference signal state of the drive arrangement, which is stored in a reference data memory.
  • a plurality of reference signal states are stored in the reference data memory, which, for example, characterize a bearing defect for one of the drives 4, 5, 6 or a bearing defect for the supply stock 1 or the withdrawal stock 2.
  • further reference signal states can be provided in order to characterize the state of the drive arrangement.
  • reference signal states can be stored in the reference data memory, from which a defective fan, an imbalance in the drive train or defective electronics (controller, Frequency converter) of the drives can be closed.
  • the Assessment of the system status of the drive arrangement by means of machine learning.
  • corresponding operating signals for adjacent drives are determined and a thread tension is deduced from a difference in the operating signals of the adjacent drives 4, 5, 6.
  • further reference signal states are stored which characterize the state or the current processing of the textile 3.
  • reference signal states are stored in the reference data memory, which allow conclusions to be drawn about local thickening or damage to the textile 3.
  • a local thickening can be caused, for example, by a lump.
  • the Figs. 2 to 4 the time course of engine torque signals, which are determined by the detection means of the drive arrangement.
  • the engine torque M is plotted against time t in each case.
  • a first example of the engine torque signal after Fig. 2 shows a periodically recurring motor torque signal, which is indicative of a bearing defect A of the associated drive 4, 5, 6, for example.
  • a torque characteristic is disclosed in a further motor torque signal over time, which shows a knot B in the textile 3 when interacting with a drive 4, 5, 6.
  • the system state in relation to the processed textile 3 is identified by comparing the motor torque signal with the stored reference signal states. If, for example, the textile 3 has a knot unexpectedly, the production process can be stopped or interrupted at short notice. If, for example, a textile with a locally different thickness structure is processed, the periodic signal can be used to monitor a planned or smooth production process.
  • a combination of the system states according to the Figs. 2 and 3 is after in the engine torque signal Fig. 4 shown. This is where a defective engine mount A and a knot B in the textile meet.
  • the two events are recognized by a pattern comparison carried out in particular in the evaluation unit, and provision can in particular be made to stop the textile machine to correct the bearing defect or to carry out corrections on the textile 3.
  • post-processing of the signal, filtering or extraction of characteristic dynamic variables can take place.
  • the engine torque signal is transformed from the time domain into the frequency domain or postprocessed in some other way.
  • the evaluation unit, the detection means or the control have the necessary computing means for this.
  • a Fourier analysis, a wavelet transformation, a waterfall diagram or empirical mode decomposition can be used to process the motor torque signal.
  • the same components and component functions are identified by the same reference symbols.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Quality & Reliability (AREA)
  • Spinning Or Twisting Of Yarns (AREA)

Claims (7)

  1. Dispositif d'entraînement pour une machine de l'industrie textile, comprenant un stock d'alimentation (1) en une matière textile (3), en stock de retrait (2) de ladite matière textile (3), une pluralité de d'organes d'entraînement (4, 5, 6) réunis en un ensemble opérationnel et disposés entre le stock d'alimentation (1) et le stock de retrait (2), et étant pourvu d'un organe de commande qui est réalisé de manière à pouvoir commander les organes d'entraînement (4, 5, 6), ledit organe de commande coopérant avec les organes d'entraînement (4, 5, 6) de manière à ce que lesdits organes d'entraînement dudit ensemble opérationnel agissent conjointement sur la matière textile (3), des moyens de détection permettant de déterminer un signal de couple moteur pour au moins un des organes d'entraînement (4, 5, 6), ledit signal de couple moteur pouvant être transmis à une unité d'analyse et ladite unité d'analyse étant réalisée de manière à pouvoir identifier, à partir dudit signal de couple moteur, un état systémique dudit dispositif d'entraînement en comparant ledit signal de couple moteur avec au moins un état de signal de référence, archivé dans une mémoire de données de référence, pour le dispositif d'entraînement et/ou à pouvoir déterminer l'état systémique dudit dispositif d'entraînement à partir dudit signal de couple moteur en mettant en oeuvre des moyens d'apprentissage automatique, caractérisé en ce qu'une pluralité d'états de signal de référence sont archivés dans ladite mémoire de données de référence laquelle comprend au moins un premier état de signal de référence qui est caractéristique pour un défaut de roulement affectant l'un des organes d'entraînement (4 5, 6) et/ou le stock d'alimentation (1) et/ou le stock de retrait (2), un deuxième état de signal de référence qui est caractéristique pour un épaississement local de la matière textile (3), et un troisième état de signal de référence qui est caractéristique pour une rupture de la matière textile (3), l'organe de commande et/ou les moyens de détection et/ou l'unité d'analyse étant réalisés de manière à pouvoir reconnaître, d'une part à partir dudit signal de couple moteur et d'autre part à partir dudit état de signal de référence, des propriétés et à comparer ces propriétés en ce qui concerne leur similitude.
  2. Dispositif d'entraînement selon la revendication 1, caractérisé en ce que lesdits moyens de détection sont réalisés de manière à pouvoir déterminer le signal de couple moteur sans mise en oeuvre de capteurs.
  3. Dispositif d'entraînement selon les revendications 1 ou 2, caractérisé en ce que lesdits moyens de détection sont réalisés de manière à pouvoir déterminer le signal de couple moteur et/ou que l'unité d'analyse et/ou la mémoire de données de référence sont réalisées de manière à faire partie dudit organe de commande.
  4. Dispositif d'entraînement selon l'une des revendications 1 à 3, caractérisé en ce que ledit organe de commande et/ou ladite unité d'analyse est doté(e) de moyens de calcul et est réalisé(e) de manière à ce que le signal de couple moteur soit transformé à partir du domaine temporel vers le domaine des fréquences.
  5. Dispositif d'entraînement selon l'une des revendications 1 à 4, caractérisé en ce que ledit organe de commande est réalisé de manière à comporter plusieurs étages et qu'il soit doté d'une unité tranversale de commande de machine ainsi que d'une pluralité de modules de commande, lesdits modules de commandes étant reliés, à travers une ligne de bus de données, à ladite unité de commande de machine, et chacun des organes d'entraînement (4, 5, 6) dudit ensemble opérationnel coopérant avec d'autres modules de commande.
  6. Dispositif d'entraînement selon l'une des revendications 1 à 5, caractérisé en ce que ledit organe de commande et/ou lesdits moyen de détection et/ou ladite unité d'analyse sont réalisés de manière à pouvoir déterminer un premier signal de couple moteur destiné à un premier organe d'entraînement (4) au sein dudit ensemble opérationnel, et un deuxième signal de couple moteur destiné à un deuxième organe d'entraînement (5) adjacent au sein dudit ensemble opérationnel et une différence entre ces signaux de couple moteur, et que ledit organe de commande est réalisé de manière à pouvoir déterminer, à partir de cette différence, un paramètre de traitement pour ladite matière textile, s'agissant préférentiellement d'une tension de fil.
  7. Dispositif d'entraînement selon l'une des revendications 1 à 6, caractérisé en ce que ledit organe de commande et/ou lesdits moyens de détection et/ou ladite unité d'analyse sont réalisés à manière à pouvoir extraire, d'une part à partir dudit signal de couple moteur et d'autre part à partir dudit état de signal de référence, une pluralité de propriétés, et à regrouper les propriétés, d'une part du signal de couple moteur, sous forme d'un premier vecteur de propriété et, d'autre part de l'état de signal de référence, sous forme d'un deuxième vecteur de propriété, et à comparer le premier vecteur de propriété avec le deuxième vecteur de propriété.
EP16190847.0A 2015-10-05 2016-09-27 Système d'entrainement pour une machine de textile Active EP3153609B1 (fr)

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EP15188417 2015-10-05

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EP3153609B1 true EP3153609B1 (fr) 2021-11-10

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US20190367319A1 (en) * 2018-05-29 2019-12-05 Maschinenfabrik Rieter Ag Method for Determining Operating Conditions of a Textile Machine, and a Textile Machine

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CH714082A1 (de) * 2017-08-25 2019-02-28 Rieter Ag Maschf Verfahren zum Betreiben einer Ringspinnmaschine und Ringspinnmaschine.
JP7390207B2 (ja) * 2020-02-20 2023-12-01 Ｔｍｔマシナリー株式会社 繊維機械及び糸張力把握方法
CN113373560B (zh) * 2021-05-25 2022-12-06 湖州师范学院 单纱整理集成设备的电机控制方法、设备、产品及介质
CN113291927A (zh) * 2021-05-25 2021-08-24 湖州师范学院 单纱整理集成设备的控制方法、设备、产品及存储介质

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DE102010009164B4 (de) * 2010-02-24 2020-07-02 Hanning Elektro-Werke Gmbh & Co. Kg Verfahren und Vorrichtung zum Steuern einer Textilmaschine oder eines angetriebenen Teils einer Textilmaschine
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US20190367319A1 (en) * 2018-05-29 2019-12-05 Maschinenfabrik Rieter Ag Method for Determining Operating Conditions of a Textile Machine, and a Textile Machine
US11673761B2 (en) * 2018-05-29 2023-06-13 Maschinenfabrik Rieter Ag Method for determining operating conditions of a textile machine, and a textile machine

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