EP1184493B1 - Motorsteuerungssystem für Textilmaschinen mit Einzelspindelantrieb - Google Patents

Motorsteuerungssystem für Textilmaschinen mit Einzelspindelantrieb Download PDF

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Publication number
EP1184493B1
EP1184493B1 EP01115110A EP01115110A EP1184493B1 EP 1184493 B1 EP1184493 B1 EP 1184493B1 EP 01115110 A EP01115110 A EP 01115110A EP 01115110 A EP01115110 A EP 01115110A EP 1184493 B1 EP1184493 B1 EP 1184493B1
Authority
EP
European Patent Office
Prior art keywords
motor
spindle
controller
master controller
controllers
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.)
Revoked
Application number
EP01115110A
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English (en)
French (fr)
Other versions
EP1184493A2 (de
EP1184493A3 (de
Inventor
Tomoyuki Murata Kikai Koutariryo C-210 Ikkai
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.)
Murata Machinery Ltd
Original Assignee
Murata Machinery Ltd
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Filing date
Publication date
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Application filed by Murata Machinery Ltd filed Critical Murata Machinery Ltd
Publication of EP1184493A2 publication Critical patent/EP1184493A2/de
Publication of EP1184493A3 publication Critical patent/EP1184493A3/de
Application granted granted Critical
Publication of EP1184493B1 publication Critical patent/EP1184493B1/de
Anticipated expiration legal-status Critical
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Classifications

    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01H—SPINNING OR TWISTING
    • D01H7/00—Spinning or twisting arrangements
    • 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
    • D01H1/10—Spinning or twisting machines in which the product is wound-up continuously for imparting multiple twist, e.g. two-for-one twisting
    • D01H1/105—Arrangements using hollow spindles, i.e. the yarns are running through the spindle of the unwound bobbins
    • D01H1/106—Two-for-one twisting
    • 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
    • D01H1/24—Driving or stopping arrangements for twisting or spinning arrangements, e.g. spindles
    • D01H1/244—Driving or stopping arrangements for twisting or spinning arrangements, e.g. spindles each spindle driven by an electric motor
    • 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
    • D01H1/32—Driving or stopping arrangements for complete machines
    • 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
    • D01H13/32—Counting, measuring, recording or registering devices

Definitions

  • the present invention relates to a motor controlling system according to the preamble of claim 1 and disclosed by EP-A-0 892 096.
  • the master controllers of this motor controlling system are series-connected to the host computer.
  • EP-A-0 632 352 furthermore discloses a controlling system for a textile machine such as a loom comprising a master unit which is interfaced on one side with a controller of the loom over dedicated wires and/or a serial line, and on the other side with a peripheral unit or peripheral units over a synchronous serial line, and a set of slave units each of which is an integral part of a respective peripheral unit capable of sending data over the synchronous serial line and of receiving data from the master unit over the same interface line.
  • the master unit can also be connected to other similar looms which are controlled in parallel.
  • the problem underlying the present invention is the realisation of a circuit of reduced complexity with improved data transmission capability.
  • 1 is a machine body of a twister
  • 2 is a plurality of variable-speed driving motors installed on the machine body 1
  • 3 is a spindle coaxially driven by the corresponding driving motor 2.
  • 4 is a supplying package which is installed so as to be removed coaxially with the corresponding spindle 3 and which is kept stationary by an appropriate braking means regardless of the rotation of the spindle 3.
  • 5 is a yarn guide for guiding a yarn Y unwound from the supplying package 4 to a winding device
  • 6 is a feed roller for feeding the yarn Y into the winding device while adjusting the tension thereof.
  • the traverse guide 7 is a traverse guide for slantly transferring the yarn Y
  • 8 is a winding drum for rotationally driving a winding package 9 on the basis of surface contact.
  • Each unit is comprised of the driving motor 2, spindle 3, supplying package 4, yarn guide 5, feed roller 6, traverse guide 7, winding drum 8 and winding package 9, and so on.
  • the traverse guide 7 is installed on a traverse shaft 10 for each unit, and the traverse shaft 10 is reciprocated in an axial direction by a control box 15 side driving mechanism, shown to the left of the machine body 1 using an imaginary line.
  • the winding drums 8 are rotationally driven at the same time by the drum shaft 11, and the drum shaft 11 is driven by the control box 15 side driving source.
  • the yarn Y is wound on a winding tube 13 supported by a cradle 12 as the winding package 9.
  • the yarn Y unwound from the supplying package 4 is guided downward from a tip of the spindle 3 through the interior of the spindle 3 and is ejected from under the spindle 3 which is rotating at a high speed in a radial direction. Since the ejected yarn Y is turned while being unwound from the supplying package 4, it is twisted once in this stage. Furthermore, the yarn Y ejected from under the spindle 3 is guided to the feed roller 6 through the yarn guide 5 while being turned around an outer periphery of the supplying package 4 due to the rotation of the spindle 3.
  • the yarn Y ejected from the spindle 3 is twisted again while being swung around the supplying package 4, so that the twisted yarn Y, which has been twisted twice, is transferred to the traverse guide 7 by the feed roller 5.
  • the twisted yarn Y the tension of which is adjusted to a predetermined value by the feed roller 6, is wound into the winding package 9 rotationally driven by the winding drum 8.
  • восем ⁇ units extending from the driving motor 2 to the winding drum 8 are installed in juxtaposition in a lateral direction of the machine body 1, and other eight units are installed behind the first eight units and opposite thereto. That is, the 16 units constitute one span.
  • the same number of these spindles are installed on an upper stage of the machine body 1. That is, the 32 units in total are intstalled on the one frame of the machine body 1, and in actual twister, a large number of such frames are arranged in juxtaposition in lateral direction.
  • the one host computer 50 disposed in a control box 15 controls the machine body 1 composed of a plurality of frames.
  • the quality of the twisted yarn Y wound up by the unit varies with the rotation speed of the spindle 3. Accordingly, for the uniform quality of the twisted yarn Y in the winding package 9, the rotation speed (number of rotations) of the driving motor 2 for each unit must be accurately controlled on the basis of an instruction signal from the host computer 50, and the rotation speed of the driving motor 2 for each unit must be accurately monitored. Further, if trouble such as yarn breakage occurs in any of the units, the loads on the corresponding driving motor 2 varies, so this must be immediately transmitted to the host computer 50.
  • the driving motors 2 are controlled by a plurality of motor controllers 30.
  • a plurality of motor controllers 30 (8 motor controllers 30) for one span (16 units) are controlled and managed by a master controller 40, and a plurality of master controllers 40 for every each span (every 8 motor controllers 30) are integrally managed by the one host computer 50.
  • a duct 20 for the one span is extended along a longitudinal direction of the machine body 1, and halfway between the front and rear rows of units arranged in juxtaposition in the longitudinal direction of the machine body 1.
  • the eight motor controllers 30 and the one master controller 40 are arranged in the duct 20.
  • the upper and lower spans have the same configuration.
  • the master controller 40 controls each motor controller 30 on the basis of an instruction from the host computer 50, and is composed of a microcomputer 41 comprising a CPU 42, a memory 43, communication interfaces (I/F) 44,45, a multiplexer (MPX) 46, an input/output interface (I/F) 47, and others.
  • the microcomputer 41 is connected to the host computer 50 through a serial communication line La via the communication interface (I/F) 44, and to each motor controller 30 through a serial communication line Lb via the communication interface (I/F) 45 and the MPX 46.
  • a start, emergency stop, instantaneous stop, and other switches (not shown) provided on the control box 15 are connected to the microcomputer 41 via the input/output interface (I/F) 47.
  • Each motor controller 30 is an inverter module for controlling the corresponding driving motors 2, and is composed of a microcomputer 31 comprising a CPU 32, a memory 33, a communication interface (I/F) 34, and inverter circuits 35.
  • the microcomputer 31 is connected to the master controller 40 through the serial communication line Lb via the communication interface (I/F) 34.
  • the microcomputer 31 controls the inverter circuits 35 to in turn control the rotation of the driving motors 2, while monitoring the rotation speed of the driving motors 2 on the basis of data detected by a rotation sensor (not shown).
  • one motor controller 30 individually controls the two driving motors 2 corresponding to the pair of front and rear units, but the motor controller 30 may be provided for one unit or three to four units as long as it individually controls the driving motors 2.
  • all set values such as a target rotation speed (number of rotations) and a control gain which are required to control each driving motor 2 are always retained in the memory 43 of the microcomputer 41 of the master controller 40 side.
  • the master controller 40 When the master controller 40 is activated and when a predetermined signal is received from any of the motor controllers 30, the set values are transmitted from the master controller 40 to this motor controller 30, where they are stored in the memory 33 of the microcomputer 31.
  • relevant error information is received by the master controller 40, which then stored the information in the memory 43 of the microcomputer 41.
  • the memory 43 of the master controller 40 side has an EEPROM as set value retaining means and error information retaining means, in addition to a typical RAM or ROM, or the like, and it has a memory backup function for the set values and the error information which function is activated when service interruption, an open circuit, or the like occurs.
  • the memory 33 of each motor controller 30 side is composed of a typical RAM or ROM, or the like, and need not be provided with the memory backup function. Consequently, the motor controller 30 is simplified.
  • Various data are transmitted and received between the host computer 50 and the master controller 40 and between the master controller 40 and each motor controller 30 by means of polling communications.
  • the master controller 40 polls each slave motor controller 30 during each predetermined cycle.
  • the motor controller 30 Upon receiving a normal polling message, the motor controller 30 returns a polling response message to the master controller 40, the message containing a status such as a CPU reset or an error.
  • the error information is transmitted from the motor controller 30 to the master controller 40 without interrupting the normal polling process between the one master controller 40 and a plurality of motor controllers 30.
  • Figures 4 to 7 are each a flow chart showing the flow of a process executed by the CPU 42 of the microcomputer 41 of the master controller 40.
  • the master controller 40 when the master controller 40 is activated, that is, when a breaker is turned on to start the operation of all the units, the master controller 40 transmits a request for a parameter version to each motor controller 30 at step S1, a shown in Figure 4. In response, each motor controller 30 returns a polling response message with its own parameter version to the master controller 40.
  • the master controller 40 receives the parameter version at step S2, and then checks whether its own parameter version matches that of the motor controller 30 at step S3. If the parameter versions match each other to validate the set value transmission, then at step S4, the master controller 40 adds the corresponding set values retained in the memory 43 of the microcomputer 40, to a polling message, and transmits the message to the motor controller 30.
  • the master controller 40 After transmitting all the set values at step S5, the master controller 40 transmits an operation permission to the motor controller 30 at step S6, and then starts the normal polling. Thereby, the motor driving is started by the motor controller 30 after each motor controller 30 normally received all the set values.
  • the set values transmitted to the motor controller 30 are stored in the memory 33 of the microcomputer 31, so that the corresponding driving motors 2 are controlled based on these set values.
  • the error process is executed at step S7. In this error process, for example, the master controller 40 transmits a parameter version error to the host computer 50 during polling therewith to forcibly turning off an operation switch, while forcibly turning on a package brake.
  • the program uncontrollable-run monitoring timer is called a "watchdog timer" and is programmed to be reset during each predetermined cycle. If the program runs uncontrollably, this timer cannot be reset but overflows to reset the CPU 32.
  • the master controller 40 When the master controller 40 receives a polling response message from the motor controller 30 and when the status data in the polling response message indicates that the CPU 32 has been reset as shown at step S8, the master controller 40 transmits a request for the parameter version to the motor controller 30 in which the CPU 32 has been reset. Then, from step S2' to step S7', a process similar to the above described steps S2 to S7 is executed between the master controller 40 and the motor controller 30 in which the CPU 32 has been reset. Thereby, the correct set value is immediately transmitted to the motor controller 30 and written even if the reset is occured in the motor controller 30.
  • the memory 43 of the master controller 40 side always retains the set values, which are transmitted to the motor controller 30 and are stored in the memory 33, thus eliminating the need to provide each motor controller 30 with a memory backup function for the set values. Further, the function of checking for the parameter version between the master controller 40 and each motor controller 30 can prevent inappropriate motor control caused by the mismatch between the parameters.
  • the master controller 40 can manage the error histories of all the motor controllers 30 without the need to provide each motor controller 30 with a memory backup function for error information.
  • the master controller 40 receives a set value changing command from the host computer 50 at step S13 as shown in Figure 7, the master controller 40 transmits the contents of that change to the motor controller 30 as a write message during a polling cycle at step S14. Then, at step S15, the master controller 40 writes the changed set values to its own memory 43 for continuous retention. Consequently, the corresponding driving motor 2 is controlled on the basis of the changed set values. Further, if the set values must be transmitted to the motor controller 30 as described above, these changed set values are transmitted..
  • the master controller 40 can manage the error histories of all the motor controllers 30 without the need to provide each motor controller 30 with a memory backup function for error information.
  • the master controller 40 receives a set value changing command from the host computer 50 at step S13 as shown in Figure 7, the master controller 40 transmits the contents of that change to the motor controller 30 as a write message during a polling cycle at step S14. Then, at step S15, the master controller 40 writes the changed set values to its own memory 43 for continuous retention. Consequently, the corresponding driving motor 2 is controlled on the basis of the changed set values. Further, if the set values must be transmitted to the motor controller 30 as described above, these changed set values are transmitted.
  • the set value retaining means and error information retaining means according to the present invention are not limited to the EEPROM shown in this embodiment, but various effective means can be employed as long as they can always retain set value data and error information data.
  • the multiple twister has been illustrated, but the present invention is applicable to motor control systems for false-twisting processing machines or other various individual-spindle-drive type textile machines.
  • the master controller shared by all the motor controllers always retains the set values required to control the motors and transmits them to each motor controller, thus eliminating the need to provide each motor controller with a memory backup function for the set values to thereby reduce the equipment costs of the entire machine. Further, since the common master controller can always manage the set values for all the motor controllers, it can easily accommodate changes in set values, thereby making it possible to simplify the configuration of the entire system.
  • the set values are transmitted after checking whether or not the parameter versions match each other, thereby preventing inappropriate motor control caused by the mismatch between the parameters to thereby allow the motor control system to operate more safely and reliably. Furthermore, checking the parameter versions allows the system to operate safely even if master controllers or motor controllers from another machine are used in the system, thus improving the compatibility between machines.
  • the master controller shared by all the motor controllers always retains error information on each motor controller, thereby enabling the common master controller to always manage the error histories of all the motor controllers without the need to provide each motor controller with a memory backup function for error information. Therefore, the configuration of the entire system can be simplified, and the system can operate more reliably.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Textile Engineering (AREA)
  • Spinning Or Twisting Of Yarns (AREA)
  • Control Of Multiple Motors (AREA)

Claims (8)

  1. Motorsteuersystem für eine Textilmaschine mit Einzelspindelantrieb, bestehend aus
    - einem Hauptrechner (50), der mehreren Bearbeitungseinheiten der Textilmaschine zugeordnet ist,
    - wenigstens einem Spindelantriebsmotor (M) für jede Bearbeitungseinheit,
    - Motorsteuergeräten (30), von denen jedes wenigstens einen Spindelantriebsmotor (M) wenigstens einer Bearbeitungseinheit steuert,
    - Hauptsteuergeräten (40), die mit dem Hauptrechner (50) zur Steuerung und Verwaltung der Motorsteuergeräte (30) einschließlich der Übertragung von Einstellwerten verbunden sind, die von jedem zugehörigen Motorsteuergerät (30) verwendet werden,
    - wobei jedes Hauptsteuergerät (40) eine Einstellwerte-Halteeinrichtung (43) mit einer Speichersicherungsfunktion hat, um stets die Einstellwerte zu halten, die von jedem zugehörigen Motorsteuergerät (30) verwendet werden, und
    - wenn ein Hauptsteuergerät (40) aktiviert wird und/oder ein bestimmtes Signal von einem der zugehörigen Motorsteuergeräte (30) empfängt, dieses Hauptsteuergerät die entsprechenden Einstellwerte, die in der Einstellwerte-Halteeinrichtung (43) gehalten sind, zu dem jeweiligen Motorsteuergerät (30) überträgt,
    dadurch gekennzeichnet, dass
    - alle Hauptsteuergeräte (40) parallel an den Hauptrechner (50) angeschlossen sind, und
    - jedes Hauptsteuergerät (40) parallel an mehrere Motorsteuergeräte (30) mehrerer Bearbeitungseinheiten angeschlossen ist.
  2. Motorsteuersystem für eine Textilmaschine mit Einzelspindelantrieb nach Anspruch 1,
    dadurch gekennzeichnet, dass
    das Hauptsteuergerät (40), bevor es die Einstellwerte überträgt, prüft, ob eine Parameterversion davon zu dem Motorsteuergerät (30) passt oder nicht, und nach dieser Prüfung die Einstellwerte überträgt.
  3. Motorsteuersystem für eine Textilmaschine mit Einzelspindelantrieb nach Anspruch 1 oder 2,
    dadurch gekennzeichnet, dass,
    wenn ein Fehler in einem der Motorsteuergeräte (30) auftritt, eine Information über diesen Fehler zum Hauptsteuergerät (40) übertragen wird, und das Hauptsteuergerät (40) eine Fehlerinformations-Halteeinrichtung aufweist, um die Fehlerinformation, die vom Motorsteuergerät empfangen wurde, stets zu halten.
  4. Motorsteuersystem für eine Textilmaschine mit Einzelspindelantrieb nach Anspruch 3,
    dadurch gekennzeichnet, dass
    das Hauptsteuergerät (40) die Motorsteuergeräte (30) während eines bestimmten Zyklus abfragt, und das Motorsteuergerät die Information zum Hauptsteuergerät als eine Abfrageantwortnachricht zurücksendet.
  5. Motorsteuersystem für eine Textilmaschine mit Einzelspindelantrieb nach einem der Ansprüche 1 bis 4,
    dadurch gekennzeichnet, dass
    nach Übertragung aller Einstellwerte zu jedem Motorsteuergerät (30) das Hauptsteuergerät (40) ein Betriebsgenehmigungssignal zum Motorsteuergerät überträgt.
  6. Motorsteuersystem für eine Textilmaschine mit Einzelspindelantrieb nach einem der Ansprüche 1 bis 5,
    dadurch gekennzeichnet, dass
    das bestimmte Signal ein Rückstellsignal ist, das anzeigt, dass eine Zentralverarbeitungseinheit (32) des Motorsteuergeräts (30) zurückgestellt wurde, und bei Empfang des Rückstellsignals vom Motorsteuergerät das Hauptsteuergerät die entsprechenden Einstellwerte, die in der Einstellwerte-Halteeinrichtung gehalten werden, zum Motorsteuergerät überträgt, in dem der Rückstellvorgang aufgetreten ist.
  7. Motorsteuersystem für eine Textilmaschine mit Einzelspindelantrieb nach einem der Ansprüche 1 bis 6,
    dadurch gekennzeichnet, dass
    die Einstellwerte eine Solldrehgeschwindigkeit umfassen.
  8. Motorsteuersystem für eine Textilmaschine mit Einzelspindelantrieb nach einem der Ansprüche 1 bis 7,
    dadurch gekennzeichnet, dass
    der Spindelantriebsmotor eine Zwirnspindel ist, und dass das Motorsteuergerät ein Invertermodul zur Steuerung des Spindelantriebsmotors ist.
EP01115110A 2000-07-12 2001-06-21 Motorsteuerungssystem für Textilmaschinen mit Einzelspindelantrieb Revoked EP1184493B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2000210615 2000-07-12
JP2000210615A JP2002020934A (ja) 2000-07-12 2000-07-12 単錘駆動型繊維機械のモータ制御システム

Publications (3)

Publication Number Publication Date
EP1184493A2 EP1184493A2 (de) 2002-03-06
EP1184493A3 EP1184493A3 (de) 2002-09-18
EP1184493B1 true EP1184493B1 (de) 2007-04-11

Family

ID=18706854

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01115110A Revoked EP1184493B1 (de) 2000-07-12 2001-06-21 Motorsteuerungssystem für Textilmaschinen mit Einzelspindelantrieb

Country Status (4)

Country Link
EP (1) EP1184493B1 (de)
JP (1) JP2002020934A (de)
KR (1) KR100618450B1 (de)
DE (1) DE60127776T2 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101560705B (zh) * 2008-06-12 2011-01-05 中山市宏图精密机械制造有限公司 一种单锭单控制智能空气包覆纱机

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3951941B2 (ja) * 2003-03-17 2007-08-01 村田機械株式会社 自動ワインダ
CN103266364B (zh) * 2013-04-19 2015-10-21 新昌县蓝翔机械有限公司 空气包覆丝机
CN106567164B (zh) * 2016-11-10 2018-09-14 绍兴文理学院 基于智能网络的倍捻机控制系统及方法

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50136430A (de) 1974-04-19 1975-10-29
JP2638894B2 (ja) * 1988-03-02 1997-08-06 株式会社豊田自動織機製作所 紡機におけるスピンドル駆動用電動機の異常検出装置
DE4319485C2 (de) * 1993-06-11 1996-05-23 Zinser Textilmaschinen Gmbh Steuervorrichtung für eine Spinnereimaschine
JPH1136144A (ja) 1997-07-16 1999-02-09 Murata Mach Ltd 紡糸巻取システム
JP2000078870A (ja) 1998-08-31 2000-03-14 Murata Mach Ltd モータ駆動システム
JP4359972B2 (ja) 1998-11-05 2009-11-11 株式会社豊田自動織機 単錘駆動リング精紡機

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101560705B (zh) * 2008-06-12 2011-01-05 中山市宏图精密机械制造有限公司 一种单锭单控制智能空气包覆纱机

Also Published As

Publication number Publication date
EP1184493A2 (de) 2002-03-06
EP1184493A3 (de) 2002-09-18
DE60127776D1 (de) 2007-05-24
JP2002020934A (ja) 2002-01-23
KR20020006573A (ko) 2002-01-23
KR100618450B1 (ko) 2006-08-31
DE60127776T2 (de) 2007-12-27

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