EP1771369A1 - Procede de pilotage des organes d'entrainement lineaire d'un produit filiforme notamment un fil textile pendant la phase de demarrage et le dispositif de mise en oeuvre - Google Patents
Procede de pilotage des organes d'entrainement lineaire d'un produit filiforme notamment un fil textile pendant la phase de demarrage et le dispositif de mise en oeuvreInfo
- Publication number
- EP1771369A1 EP1771369A1 EP05766693A EP05766693A EP1771369A1 EP 1771369 A1 EP1771369 A1 EP 1771369A1 EP 05766693 A EP05766693 A EP 05766693A EP 05766693 A EP05766693 A EP 05766693A EP 1771369 A1 EP1771369 A1 EP 1771369A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- speed
- rotation
- motor
- torque
- members
- 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
Links
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
- B65H51/00—Forwarding filamentary material
- B65H51/28—Arrangements for initiating a forwarding operation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H51/00—Forwarding filamentary material
- B65H51/02—Rotary devices, e.g. with helical forwarding surfaces
- B65H51/04—Rollers, pulleys, capstans, or intermeshing rotary elements
Definitions
- the invention relates to the technical field of installations or machines for processing continuous elongated materials set in motion by the effect of scrolling along their own trajectory.
- continuous elongated materials mention may be made of textile threads, ribbons, bands, etc.
- the invention relates to the control of the means for setting in motion the material capable of causing it to advance along its own trajectory.
- these means there may be mentioned by way of non-limiting indication of cylinders, pulleys, endless belts, rollers, buckets or other bodies driving the elongated material by friction, pinching, meshing effect, ...
- the material is previously arranged along its path, while the movement setting members are stopped. This operation is called “threading” in the case of textile yarn processing machines.
- the moving members are then started and gradually accelerated so that they can reach the required nominal speed depending on the work to be performed. In general, accelerations are programmed according to synchronized ramps which maintain constant gear ratios.
- This solution requires the use of synchronized start and stop means. This solution is not applicable for certain members such as those used in a heat treatment, and liable to burn the material which is static, since when the start-up is started, the material does not pass.
- another method consists in starting the organs for setting in motion the material beforehand and bringing them to nominal speed then in engaging the said material. It is only when the nominal speed is reached that the material is introduced at the entry of the movement setting members, so that the material is caught up and brought instantly to the nominal speed.
- the material is presented by a device which gives it an initial speed close to the nominal speed of the treatment process.
- this device can consist of arms associated with suction nozzles such as those commonly used in the field of textile machines.
- This solution is however difficult to apply in the case of high-speed processes for fragile materials which do not withstand sudden accelerations, generally when the material is caught. When the operation is carried out manually, it requires great skill on the part of the operator. There are also safety concerns since the operations are carried out on moving parts.
- the object of the invention is to remedy these drawbacks in a simple, safe, efficient and rational manner.
- the problem which the invention proposes to solve is to control organs for setting in motion filiform products such as textile threads, ribbons, strips during the start-up phase and along their own trajectory.
- a method has been devised for controlling the linear drive members of a filiform product, in particular a textile thread during the start-up phase, each of said members being subjected to an electric motor, the motor being associated with the minus one control unit capable of receiving speed and / or speed report instructions and start / stop orders.
- the control unit of the member is subjected to a means for measuring the speed of said member; - when a start command is received, the engine does not start if the measured speed is zero; - Information representative of the measured speed of the drive member is monitored; - a control sequence is triggered which can cause the motor to rotate, according to a pre-programmed speed setting profile when a rotation caused by an external intervention is detected.
- the starting mode can only be engaged when the engine is initially stopped. Switching this operating mode does not trigger an engine control sequence such as to cause it to immediately rotate according to an acceleration profile. On the contrary, according to the invention, switching over to this operating mode can possibly, if the technology of the motor allows, cause the creation of a limited holding hold torque. This torque can be configurable and controlled by limiting the voltage or current, for example.
- the driving sequence of the motor is initiated so as to cause it to rotate according to a programmed speed setting profile.
- the process includes:
- the external intervention consists of the drive of the wire and / or of the drive or movement member for said wire, said drive being carried out manually by an operator or by auxiliary means.
- the speed setting profile is a linear ramp or any shape.
- the speed setting profile may include a plateau at constant intermediate speed, different from the nominal speed setpoint:
- the intermediate speed of the chainring can be preprogrammed.
- the intermediate speed of the platform can be the speed of rotation created by external intervention and measured by the control system for a few moments after its detection.
- this control sequence determines a torque limitation (motor or brake), controlled for example by a voltage or current limitation:
- This torque limitation can be fixed. This limitation of the torque can depend on the speed of rotation.
- This torque limitation can be maintained for a preprogrammed time. This torque limitation can be maintained until the speed reaches the speed of the intermediate speed plate. This torque limitation can be maintained until the end of the intermediate speed chainring. This torque limitation can be maintained until the speed reaches the nominal speed setpoint.
- the device comprises members for moving the wire subject to at least one control unit capable of receiving at least one speed signal, the motor being of variable reluctance or of magnets permanent and whose supply sequence is a switching sequence of the windings supply synchronized by signals representative of the position of the rotor relative to the stator, said signals can be used to measure and detect the speed of rotation.
- the motor can also be of the asynchronous or other type.
- the device for setting in motion a filiform material can comprise several members acting in combination.
- each moving member has an individual start-up support mode, sensors representative of its speed and means for waiting for rotation by an external action to accelerate according to its own setting profile. quickly.
- only one of the movement-setting members has an individual start-up support mode, the piloting system being programmed to maintain constant speed ratios of the other member (s) relative to said member, having the mode of 'accompaniment, which is a means of measuring its speed of rotation, the speed ratio (s) being predetermined by configuration.
- - (A) represents the period during which the device is awaiting rotation:
- - (B) shows the period during which the rotation is caused by an external action (possibly broken down into detection (B 1) and speed measurement (B2) period;
- - (C) corresponds to the period during which the rotation follows the speed setting profile (possibly broken down in acceleration phase and speed plateaus (Cl), (C2), (C3), ...);
- - (D) corresponds to the period of operation at nominal speed.
- FIG. 1 Illustrated in FIG. 1 is an example of a member for setting in motion (1) in the form, for example, of a bucket capable of entraining a filiform product such as for example a textile thread.
- the member (1 ) is driven by an electric motor (2) subject to a control unit (3) connected to an electric power supply (4).
- the control unit (3) comprises, for example, a power supply part (5), a power part (7) and a processor (6) attached to a central unit (9) in the form for example of a PC, d 'an automaton, an electronic card, ...
- Means (8) are capable of delivering a signal representative of the speed of rotation of the moving members (1).
- the processor (6) receives, from the central unit (9) via the network (10), the speed setpoints or speed ratio, as well as the operating parameters of the moving members (1) controlled by the motors (2).
- the processor (6) can receive start, stop, ... orders, via the network or via other inputs / outputs.
- the control unit (3) of the electric motors (2) receives information representative of the speed of the means (1) for setting in motion the filiform element.
- At least one of the movement setting members is subjected to a particular starting mode characterized by the following essential provisions: this starting mode is engaged when the engine is initially stopped ; switching to the operating mode does not trigger an engine control sequence capable of causing it to immediately rotate according to an acceleration profile and may possibly, if the technology of the engine allows, cause the creation of a limited torque holding stationary; the control unit monitors the information representative of the speed (phase (A)) of the setting members in motion, so that the holding while stopped (and possibly the limited holding holding torque) is maintained as long as the rotation resulting from an external intervention is not detected.
- this starting mode is engaged when the engine is initially stopped ; switching to the operating mode does not trigger an engine control sequence capable of causing it to immediately rotate according to an acceleration profile and may possibly, if the technology of the engine allows, cause the creation of a limited torque holding stationary; the control unit monitors the information representative of the speed (phase (A)) of the setting members in motion, so that the holding while stopped (and possibly the limited holding holding torque) is maintained as long as the rotation
- This external intervention can be constituted by the drive of the wire and / or of the member (1) (phase B), which drive can be carried out manually by the operator or by any auxiliary means.
- the control unit (3) starts a motor control sequence (2) (phase (C)), according to a pre-programmed speed setting profile.
- information representative of the direction of rotation of the drive member (1) is available, for example in association with information representative of the speed of said drive member.
- the control unit (3) checks the direction of this rotation and does not start the engine control sequence (2) so as to cause it to rotate only if the direction of rotation conforms to a configured direction of rotation.
- control unit (3) can, if the technology of the motor allows, cause the creation of a resistant torque, this torque being able to be configurable and / or controlled by limiting the voltage or current for example.
- FIGS. 2, 3 and 4 show different examples of speed curves according to which (A) corresponds to the period during which the motor is kept stationary, (B) the period during which the rotation is caused by l external action, (C) the period during which the rotation follows the speed setting profile, (D) a period of operation at nominal speed.
- (11) represents a nominal nominal speed and (12) the speed setting in the form of a linear ramp ( Figures 2 and 4), or of several ramps (12a), (12b) ( Figure 3) .
- the speed setting profile may include a plate (13, 14) at constant intermediate speed different from the nominal speed setpoint (11).
- the intermediate speed of the plate can be pre-programmed, or be the speed of rotation created by external intervention and measures the control unit a few moments after its detection.
- the duration of the plateau can be pre-programmed and its speed can be maintained until the control unit receives an order to speed up.
- the torque can be fixed or depend on the speed of rotation and be maintained for a preprogrammed time or until the speed reaches the speed of the plateau and the intermediate speed, or be maintained until the end of the intermediate speed plateau, or alternatively be maintained until the speed reaches the nominal speed setpoint.
- the supply sequence is a switching sequence of the windings supply synchronized by signals representative of the position of the rotor relative to the stator (sensors effect) or current measurement sensors in the coils representative of the position of the rotor relative to the stator.
- the signals from these sensors can be used by the processor (6) to detect and measure the speed of rotation.
- the device for driving the filiform material can comprise several movement setting members, each being driven by a motor (2).
- each movement setting member (1) has an individual start-up support mode
- only one of the movement set-up members (1) has an individual start-up support mode.
- each movement-setting member has an individual start-up support mode
- each of the members has sensors representative of these speeds.
- Each member will wait for a rotation by an external action to accelerate its own speed setting profile.
- the control system is pre-programmed to maintain constant speed ratios of the engine or engines not having such a mode of operation.
- individual start-up support in relation to the engine presenting it.
- the engine equipped with the individual start-up support mode is equipped with sensors or means for measuring its rotational speed, the speed ratio (s) being predetermined by configuration.
- the device implements a program capable of ensuring the detection of the speed caused by the external intervention, the management of the speed-up profiles and generally the execution of the accompaniment sequence as described. Note that these different functions can be performed by a program executed by the processor (6) of the control unit (s) (3), or by a combination of the central unit (9) and a processor (6) ( Figure 1).
Landscapes
- Control Of Electric Motors In General (AREA)
- Spinning Or Twisting Of Yarns (AREA)
- Tension Adjustment In Filamentary Materials (AREA)
- Motor And Converter Starters (AREA)
- Warping, Beaming, Or Leasing (AREA)
- Control Of Linear Motors (AREA)
- Control Of Multiple Motors (AREA)
- Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0451072A FR2870838B1 (fr) | 2004-06-01 | 2004-06-01 | Procede de pilotage des organes d'entrainement lineaire d'un produit filiforme notamment un fil textile pendant la phase de demarrage |
PCT/FR2005/050369 WO2005118448A1 (fr) | 2004-06-01 | 2005-05-26 | Procede de pilotage des organes d'entrainement lineaire d'un produit filiforme notamment un fil textile pendant la phase de demarrage et le dispositif de mise en oeuvre |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1771369A1 true EP1771369A1 (fr) | 2007-04-11 |
EP1771369B1 EP1771369B1 (fr) | 2008-10-08 |
Family
ID=34946016
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP05766693A Not-in-force EP1771369B1 (fr) | 2004-06-01 | 2005-05-26 | Procede de pilotage des organes d'entrainement lineaire d'un fil textile pendant la phase de demarrage et le dispositif de mise en oeuvre |
Country Status (7)
Country | Link |
---|---|
US (1) | US20070277717A1 (fr) |
EP (1) | EP1771369B1 (fr) |
CN (1) | CN1984829A (fr) |
AT (1) | ATE410389T1 (fr) |
DE (1) | DE602005010259D1 (fr) |
FR (1) | FR2870838B1 (fr) |
WO (1) | WO2005118448A1 (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3153610A1 (fr) * | 2015-10-05 | 2017-04-12 | Hanning Elektro-Werke GmbH & Co. KG | Dispositif de commande |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107063233B (zh) * | 2017-04-12 | 2020-06-02 | 无锡研测技术有限公司 | 基于惯性传感器的产线管控装置 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2155514B2 (de) * | 1971-11-09 | 1975-08-14 | Barmag Barmer Maschinenfabrik Ag, 5600 Wuppertal | Arbeitsverfahren zum Anlegen des Fadens an eine Streck- und Falschdrahtkräuselmaschine |
JPS4970208U (fr) * | 1972-10-11 | 1974-06-19 | ||
JPS5291912A (en) * | 1976-01-23 | 1977-08-02 | Toray Ind Inc | Threading and starting method |
US5148070A (en) * | 1991-08-30 | 1992-09-15 | Platt Saco Lowell Corporation | Apparatus for commutation of an electric motor |
WO1998033963A1 (fr) * | 1997-02-04 | 1998-08-06 | Barmag Ag | Machine de texturation par fausse torsion |
SE0103196D0 (sv) * | 2001-09-24 | 2001-09-24 | Iropa Ag | Fadenliefergerät |
-
2004
- 2004-06-01 FR FR0451072A patent/FR2870838B1/fr not_active Expired - Fee Related
-
2005
- 2005-05-26 EP EP05766693A patent/EP1771369B1/fr not_active Not-in-force
- 2005-05-26 DE DE602005010259T patent/DE602005010259D1/de not_active Expired - Fee Related
- 2005-05-26 CN CNA200580023895XA patent/CN1984829A/zh active Pending
- 2005-05-26 WO PCT/FR2005/050369 patent/WO2005118448A1/fr active Application Filing
- 2005-05-26 AT AT05766693T patent/ATE410389T1/de not_active IP Right Cessation
- 2005-05-26 US US11/569,714 patent/US20070277717A1/en not_active Abandoned
Non-Patent Citations (1)
Title |
---|
See references of WO2005118448A1 * |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3153610A1 (fr) * | 2015-10-05 | 2017-04-12 | Hanning Elektro-Werke GmbH & Co. KG | Dispositif de commande |
Also Published As
Publication number | Publication date |
---|---|
DE602005010259D1 (de) | 2008-11-20 |
FR2870838B1 (fr) | 2006-07-07 |
EP1771369B1 (fr) | 2008-10-08 |
US20070277717A1 (en) | 2007-12-06 |
ATE410389T1 (de) | 2008-10-15 |
WO2005118448A1 (fr) | 2005-12-15 |
CN1984829A (zh) | 2007-06-20 |
FR2870838A1 (fr) | 2005-12-02 |
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