EP2086810B1 - Verfahren zur simulation des bremsens eines kabeltransportsystems, verfahren zur diagnose des bremsens des systems und steuervorrichtung für das system - Google Patents

Verfahren zur simulation des bremsens eines kabeltransportsystems, verfahren zur diagnose des bremsens des systems und steuervorrichtung für das system Download PDF

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Publication number
EP2086810B1
EP2086810B1 EP07870319.6A EP07870319A EP2086810B1 EP 2086810 B1 EP2086810 B1 EP 2086810B1 EP 07870319 A EP07870319 A EP 07870319A EP 2086810 B1 EP2086810 B1 EP 2086810B1
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EP
European Patent Office
Prior art keywords
cable
curve
braking
driving means
installation
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Application number
EP07870319.6A
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English (en)
French (fr)
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EP2086810A1 (de
Inventor
Franckie Tamisier
Daniel Michel
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Poma SA
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Pomagalski SA
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61B—RAILWAY SYSTEMS; EQUIPMENT THEREFOR NOT OTHERWISE PROVIDED FOR
    • B61B12/00—Component parts, details or accessories not provided for in groups B61B7/00 - B61B11/00
    • B61B12/06—Safety devices or measures against cable fracture
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61B—RAILWAY SYSTEMS; EQUIPMENT THEREFOR NOT OTHERWISE PROVIDED FOR
    • B61B12/00—Component parts, details or accessories not provided for in groups B61B7/00 - B61B11/00
    • B61B12/10—Cable traction drives

Definitions

  • the invention relates to a method for simulating the braking of a cable transport installation.
  • the invention also relates to a braking means diagnosis method and a control device of a cable transport installation for implementing said simulation method.
  • WO 2004/035448 describes a method of monitoring an elevator comprising at least one braking means of the motor means.
  • the braking of an elevator is checked by establishing baseline driving currents at several determined positions as the bucket moves up and down empty and at full load.
  • the load is recorded and the motor current required to drive the load at a constant speed to the next determined position is predicted and measured. If the difference between the predicted and actual current exceeds a predetermined tolerance, the cage stops at the next stage, the system is stopped and a message is generated.
  • a baseline motor current required to move an elevator shaft with the brake engaged is recorded. Then, a high fraction (such as 90%) of baseline motor current is applied in an attempt to move the bucket. If the bucket moves, the system is stopped and a message generated.
  • WO 03/033388 describes a method for diagnosing elevator installations using at least one acceleration sensor, which consists of continuously measuring the acceleration of a cabin of the moving elevator installation, to be transmitted immediately the acceleration data measured at an analysis unit, to determine normalized parameters from these acceleration data, then to compare the normalized parameters with theoretical parameters recorded for the elevator installation, in order to detect a change of state, the theoretical parameters having been measured and detected when the elevator installation was in a correct state.
  • the braking means of a cable transport installation must be tested periodically. In order to carry out these tests in conditions as close as possible to the conditions of use, the braking must be tested when the installation is loaded.
  • ballast transport installation before carrying out the control operations of the braking means.
  • the weights make it possible to simulate the normal operation of a driven driven installation.
  • the installation of ballast is a simulation operation requiring many handling operations that increases the time and costs of testing the braking means.
  • the invention aims to remedy these problems by proposing a braking simulation process of a transport facility that is simple, inexpensive, quick to implement and accurate.
  • the motor means that continue to operate during the application of the braking means can in particular simulate the effort of a load on the installation. This simulation makes it possible in particular to diagnose the braking means without having to ballast said installation.
  • the reference signal is compared with a measurement of the force exerted on the cable, the engine torque or a characteristic variable of the drive means and proportional to the force exerted on the cable, the engine torque or the instantaneous power delivered by the motor means.
  • the reference signal is compared to a measurement of the speed of the cable.
  • a method for diagnosing at least one braking means of a cable transport installation comprising motor means, the diagnostic method comprising at least one test phase of the braking means. comprising at least one simulation phase by the simulation method according to the first aspect of the invention operated on a vacuum driven plant and recording a test characteristic curve.
  • the test phase further comprises a second step of comparing the test characteristic curve with a pre-recorded standard characteristic curve.
  • the diagnosis of the braking means is carried out simply by comparing the test characteristic curve with a theoretical curve or measured during a preliminary phase.
  • This preliminary phase makes it possible to take into account the real characteristics of the installation, for example when it is put into service, and avoids having to establish theoretical curves.
  • the preliminary phase comprises a first step of adjusting the braking means.
  • the method according to the invention allows an accurate diagnosis.
  • the standard vacuum characteristic curve is a curve recorded during an application of the braking means on the installation operating at no load.
  • the method according to the invention also makes it possible to test the braking means on an installation operating in a vacuum.
  • the method uses an indexing of the position of at least one vehicle driven by the cable.
  • the accuracy of the diagnosis is ensured because the different recordings can be made for similar load distributions on the cable.
  • the curve Pe f (t) is a curve of the pressure variations recorded during the preliminary phase during the application of the braking means.
  • the invention relates to a device for controlling a cable transport installation, comprising motor means and at least one braking means, the device comprising means for controlling the motor means, means for control of the braking means and a safety device.
  • the control device comprises means for switching the safety device between an active position in which the simultaneous use of the motor means and the braking means is prohibited, and a passive position in which said simultaneous use is authorized.
  • the device further comprises cable speed measuring means, data recording means, pressure measuring means, means for measuring the intensity of the current flowing through the motor means and means for measuring the speed of the cable. indexing the position of at least one vehicle.
  • closed loop is meant in the sense of the detailed description below a control loop performing a comparison between a setpoint and an output variable in order to make the output value turn towards the setpoint value.
  • a characteristic variable motor means and proportional to the force exerted on the cable, the engine torque it may for example be, depending on the type of power supply chosen for motor means, electrical control variables such as the modulation frequency of a converter supplying the motor means, a variable intensity or variable power supply of the motor means. It may also be mechanical variables directly measured on the installation, such as the tension force of the drive cable or the torque of the drive means.
  • a cable transport installation is generally composed of at least two stations between which at least one mobile transport cable forms a loop in order to transport one or more vehicles, for example one or more cable car cabins, from a station to a station. other.
  • the vehicle or vehicles may be suspended from the moving cable which ensures their training.
  • the vehicles can be suspended from fixed cables via a roller balancer, and driven along the fixed cables by the movable transport cable.
  • the motor means are for example composed of one or more electric motors, a driving pulley and a disengageable device for transmitting movement between the motor (s) and the driving pulley.
  • the installation is equipped with braking means.
  • the braking means may include an electromagnetic brake consisting of cutting off the power of the engines, one or more service brakes applying during normal stops of the installation and one or more emergency brakes.
  • the service brake acts on the drive shaft of the drive means while the emergency brake acts directly on the drive pulley.
  • the braking means are hydraulic or pneumatic brakes.
  • the braking means are, for example braking means whose opening is actuated by hydraulic or pneumatic means such as cylinders, mechanical return means such as springs, for recalling the braking means to their closed position of braking.
  • the installation further comprises a control device of the transport facility.
  • the device comprises at least control means of the motor means and control means of the means (s) for braking.
  • the control device comprises a safety device that allows in the active position to stop the power of the motor means as soon as a braking means is actuated.
  • the method according to the invention comprises steps during which the motor means must operate simultaneously with the braking means. Consequently, the control device of the installation comprises a device for switching the safety device between its active position and a passive position in which the simultaneous control of the motor means and a braking means is authorized.
  • the controller also includes a diagnostic device.
  • the diagnostic device comprises data recording means, is connected to the motor means and to the braking means and receives information from means for measuring the speed of the cable, means for measuring a characteristic variable of the motor means, means for indexing the position of the vehicles and means for measuring the pressure in the braking means.
  • the characteristic variable of the motor means is the intensity passing through the motor means.
  • control and diagnostic device consists of a console and a control unit.
  • control and diagnostic device consists of a console and a control unit.
  • the invention is not limited to this embodiment and that all appropriate control devices, computer or electronic, may be used.
  • the method of diagnosis of a braking means comprises a preliminary calibration phase which can in particular be performed during the commissioning of the installation.
  • the braking means of the installation are previously adjusted to the statutory values.
  • the calibration phase then comprises a first step in which a braking means is applied to the installation operating under load and a standard characteristic curve is recorded.
  • the control curve 2 of the motor means F f (t) (FIG. figure 2 ).
  • control curve 2 corresponds to the evolution of the intensity of the electric current passing through the motor means. It will be noted, however, that this curve can also be achieved by measuring any variable related to the force exerted by the drive means on the cable or the engine torque, or the instantaneous power delivered by the motor means.
  • the diagnostic method comprises at least one step of testing the braking means. This test step may in particular be carried out periodically to verify that the adjustment of the brake is in accordance with the regulatory adjustment values.
  • a vacuum-driven operation is performed on a vacuum-driven installation performed on a load-driven installation.
  • the motor means simulate the effort of the load and a test characteristic curve is recorded.
  • the diagnostic method may also include the preliminary test of the braking means on the facility operating at idle.
  • the recording of a standard vacuum characteristic curve is carried out during the application of the braking means to an installation operating at a vacuum during the preliminary calibration phase.
  • the characteristic curves may also be curves for measuring the force exerted on the cable, the motor torque or a variable characteristic of the motor means and proportional to the force exerted on the cable. to the engine torque.
  • the control curve corresponds to a curve of deceleration of the cable. Note however that for this embodiment, the interpretation of the comparison between the standard characteristic and test characteristic curves is less easy.
  • the diagnostic method according to the invention makes it possible to test the adjustment of the various braking means of the installation, such as the electromagnetic brake, the emergency brake or brakes and the service brake or brakes.
  • the adjustment of each braking means can be tested independently.
  • the braking means are means controlled by a modulation of the force as a function of the deceleration of the line, it is necessary to suspend the modulation before carrying out the diagnostic method of the braking means.
  • the simulation method according to the invention also makes it possible to diagnose the modulation of the force as a function of the deceleration of the line.

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  • Engineering & Computer Science (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
  • Control Of Electric Motors In General (AREA)

Claims (15)

  1. Simulationsverfahren des Bremsens einer Kabeltransportanlage, die mindestens eine Bremseinrichtung und Antriebseinrichtungen aufweist, dadurch gekennzeichnet, dass das Simulationsverfahren mindestens einen Schritt des Anwendens der Bremseinrichtung an die Anlage durch die Antriebseinrichtungen enthält, die in geschlossenem Regelkreis von einem Sollsignal gesteuert werden, das von einer vorbestimmten Steuerkurve (2) F = f(t) geformt wird.
  2. Simulationsverfahren nach Anspruch 1, dadurch gekennzeichnet, dass für die Steuerung in geschlossenem Regelkreis das Sollsignal mit einem Messwert der auf das Kabel ausgeübten Kraft, des Antriebsdrehmoments oder einer Variablen verglichen wird, die für die Antriebseinrichtungen charakteristisch und zur auf das Kabel ausgeübten Kraft, zum Antriebsdrehmoment oder zur von den Antriebseinrichtungen gelieferten Augenblicksleistung proportional ist.
  3. Simulationsverfahren nach Anspruch 1, dadurch gekennzeichnet, dass für die Steuerung in geschlossenem Regelkreis das Sollsignal mit einem Messwert der Geschwindigkeit des Kabels verglichen wird.
  4. Verfahren zur Diagnose mindestens einer Bremseinrichtung einer Antriebseinrichtungen aufweisenden Kabeltransportanlage, wobei das Diagnoseverfahren mindestens eine Testphase der Bremseinrichtung aufweist, dadurch gekennzeichnet, dass die Testphase der Bremseinrichtung mindestens eine Simulationsphase durch das Simulationsverfahren nach Anspruch 1 bis 3, die an einer leerlaufenden Anlage durchgeführt wird, und die Speicherung einer charakteristischen Testkurve (4, 5, 6) enthält.
  5. Verfahren zur Diagnose nach Anspruch 4, dadurch gekennzeichnet, dass die Testphase außerdem einen zweiten Schritt des Vergleichs der charakteristischen Testkurve (4, 5, 6) mit einer vorab gespeicherten charakteristischen Kalibrierkurve (1) enthält.
  6. Verfahren zur Diagnose nach einem der Ansprüche 4 oder 5, dadurch gekennzeichnet, dass es außerdem eine vorhergehenden Kalibrierungsphase enthält, die mindestens aufweist:
    - einen Schritt der Speicherung der charakteristischen Kalibrierkurve (1) bei einer Anwendung der Bremseinrichtung an die im Lastbetrieb arbeitende Anlage; und
    - einen Schritt der Speicherung der Steuerkurve (2) F = f(t) der Antriebseinrichtungen bei einer Anwendung der Bremseinrichtung an die von den durch ein von der charakteristischen Kalibrierkurve (1) geformtes Sollsignal in geschlossenem Regelkreis gesteuerten Antriebseinrichtungen leerlaufend angetriebene Anlage.
  7. Verfahren zur Diagnose nach einem der Ansprüche 4 oder 5, dadurch gekennzeichnet, dass es außerdem eine vorhergehende Kalibrierungsphase enthält, die mindestens aufweist:
    - einen Schritt der Speicherung der Steuerkurve (2) F = f(t) der Antriebseinrichtungen bei einer Anwendung der Bremseinrichtung an die im Lastbetrieb arbeitende Anlage; und
    - einen Schritt der Speicherung der charakteristischen Kalibrierkurve (1) bei einer Anwendung der Bremseinrichtung an die von den durch ein von der Steuerkurve (2) geformtes Sollsignal in geschlossenem Regelkreis gesteuerten Antriebseinrichtungen leerlaufend angetriebene Anlage.
  8. Verfahren zur Diagnose nach einem der Ansprüche 4 bis 7, dadurch gekennzeichnet, dass die charakteristischen Kurven Bremsverzögerungskurven des Kabels sind.
  9. Verfahren zur Diagnose nach Anspruch 8, dadurch gekennzeichnet, dass die Speicherung der Steuerkurve (2) F = f(t) der Antriebseinrichtungen durch eine Messung der auf das Kabel ausgeübten Kraft, des Antriebsdrehmoments oder einer Variablen durchgeführt wird, die für die Antriebseinrichtungen charakteristisch und zur auf das Kabel ausgeübten Kraft, zum Antriebsdrehmoment oder zur von den Antriebseinrichtungen gelieferten Augenblicksleistung proportional ist.
  10. Verfahren zur Diagnose nach einem der Ansprüche 4 bis 7, dadurch gekennzeichnet, dass die charakteristischen Kurven Messkurven der auf das Kabel ausgeübten Kraft, des Antriebsdrehmoments oder einer Variablen sind, die für die Antriebseinrichtungen charakteristisch und zur auf das Kabel ausgeübten Kraft, zum Antriebsdrehmoment oder zur von den Antriebseinrichtungen gelieferten Augenblicksleistung proportional ist.
  11. Verfahren zur Diagnose nach Anspruch 10, dadurch gekennzeichnet, dass die Speicherung der Steuerkurve der Antriebseinrichtungen F = f(t) durch eine Messung der Bremsverzögerung des Kabels durchgeführt wird.
  12. Verfahren zur Diagnose nach einem der Ansprüche 4 bis 11, dadurch gekennzeichnet, dass die Steuerkurve (2) F = f(t) der Antriebseinrichtungen durch eine konstante Funktion (7) K = f(t) verlängert wird.
  13. Steuervorrichtung einer Kabeltransportanlage, die Antriebseinrichtungen und mindestens eine Bremseinrichtung enthält, wobei die Vorrichtung Steuereinrichtungen der Antriebseinrichtungen, Steuereinrichtungen der Bremseinrichtung und eine Sicherheitsvorrichtung enthält, wobei die Steuervorrichtung dadurch gekennzeichnet ist, dass sie Einrichtungen zur Umschaltung der Sicherheitsvorrichtung zwischen einer aktiven Stellung, in der die gleichzeitige Verwendung der Antriebseinrichtungen und der Bremseinrichtung verboten ist, und einer passiven Stellung enthält, in der die gleichzeitige Verwendung erlaubt ist.
  14. Steuervorrichtung nach Anspruch 13, dadurch gekennzeichnet, dass sie außerdem Einrichtungen zur Messung der Geschwindigkeit des Kabels enthält.
  15. Steuervorrichtung nach einem der Ansprüche 13 und 14 dadurch gekennzeichnet, dass sie Einrichtungen zur Messung des durch die Antriebseinrichtungen fließenden Stroms enthält.
EP07870319.6A 2006-11-23 2007-11-21 Verfahren zur simulation des bremsens eines kabeltransportsystems, verfahren zur diagnose des bremsens des systems und steuervorrichtung für das system Active EP2086810B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0610267A FR2909060B1 (fr) 2006-11-23 2006-11-23 Procede de simulation du freinage d'une installation de transport par cable, procede de diagnostic du freinage d'une telle installation dispositif de commande de l'intallation.
PCT/FR2007/001915 WO2008074940A1 (fr) 2006-11-23 2007-11-21 Procede de simulation du freinage d'une installation de transport par cable, procede de diagnostic du freinage d'une telle installation et dispositif de commande de l'installation

Publications (2)

Publication Number Publication Date
EP2086810A1 EP2086810A1 (de) 2009-08-12
EP2086810B1 true EP2086810B1 (de) 2013-08-21

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EP07870319.6A Active EP2086810B1 (de) 2006-11-23 2007-11-21 Verfahren zur simulation des bremsens eines kabeltransportsystems, verfahren zur diagnose des bremsens des systems und steuervorrichtung für das system

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US (1) US20100147182A1 (de)
EP (1) EP2086810B1 (de)
JP (1) JP2010510598A (de)
CA (1) CA2670058A1 (de)
FR (1) FR2909060B1 (de)
WO (1) WO2008074940A1 (de)

Families Citing this family (5)

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Publication number Priority date Publication date Assignee Title
US8528790B2 (en) 2007-12-06 2013-09-10 Joseph S. Kanfer Dispensing system with magnet and coil for power generation
FR2928124B1 (fr) * 2008-02-29 2012-02-10 Pomagalski Sa Procede de controle d'un organe de freinage ou de mise en mouvement auxiliaire d'une installation de transport par cable.
US8306934B2 (en) * 2009-03-30 2012-11-06 International Business Machines Corporation Demo verification provisioning
CN103803366B (zh) 2013-12-19 2016-04-27 西子奥的斯电梯有限公司 一种电梯抱闸力矩检测方法
FR3129912B1 (fr) * 2021-12-03 2023-11-17 Nidec Asi S P A Procédé pour vérifier l'efficacité de freinage d'un système de transport par câble

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US5077508A (en) * 1989-01-30 1991-12-31 Wycoff David C Method and apparatus for determining load holding torque
JPH0543150A (ja) * 1991-08-20 1993-02-23 Hitachi Ltd エレベータ
IT1257416B (it) * 1992-08-05 1996-01-15 Metodo ed apparato per il controllo e la correzione automatica del comando di decelerazione-arresto della cabina di un ascensore o di un montacarichi al variare dei dati di funzionamento dell'impianto.
US6325179B1 (en) * 2000-07-19 2001-12-04 Otis Elevator Company Determining elevator brake, traction and related performance parameters
DE10150284A1 (de) * 2001-10-12 2003-04-30 Henning Gmbh Diagnoseeinrichtung und Verfahren zur Diagnose von Aufzugsanlagen
ES2360852T3 (es) * 2002-10-15 2011-06-09 Otis Elevator Company Detección de freno del ascensor y otra resistencia mediante la supervisión de la corriente del motor.
JP4368854B2 (ja) * 2003-11-21 2009-11-18 三菱電機株式会社 エレベータ装置
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EP1780160B1 (de) * 2004-04-30 2011-12-28 Mitsubishi Denki Kabushiki Kaisha Anormalzustandsbremssystem für aufzug
FR2890929B1 (fr) * 2005-09-21 2007-11-09 Telepheriques Tarentaise Mauri Procede et dispositif de controle d'un organe de freinage ou de mise en mouvement auxiliaire pour installation de transport a cable
EP2048105A4 (de) * 2006-08-03 2017-08-02 Mitsubishi Electric Corporation Aufzugsvorrichtung
FR2904594B1 (fr) * 2006-08-04 2008-10-17 Pomagalski Sa Procede de commande d'une unite de freinage d'une installation de transport par cable et unite de freinage.

Also Published As

Publication number Publication date
WO2008074940A1 (fr) 2008-06-26
US20100147182A1 (en) 2010-06-17
EP2086810A1 (de) 2009-08-12
CA2670058A1 (fr) 2008-06-26
FR2909060A1 (fr) 2008-05-30
JP2010510598A (ja) 2010-04-02
FR2909060B1 (fr) 2009-02-13

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