WO2017174554A1 - Procédé et dispositif de détermination d'une position angulaire relative d'éléments rotatifs - Google Patents

Procédé et dispositif de détermination d'une position angulaire relative d'éléments rotatifs Download PDF

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Publication number
WO2017174554A1
WO2017174554A1 PCT/EP2017/057940 EP2017057940W WO2017174554A1 WO 2017174554 A1 WO2017174554 A1 WO 2017174554A1 EP 2017057940 W EP2017057940 W EP 2017057940W WO 2017174554 A1 WO2017174554 A1 WO 2017174554A1
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WIPO (PCT)
Prior art keywords
pulse
measuring point
angle
input shaft
drive shaft
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.)
Ceased
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PCT/EP2017/057940
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German (de)
English (en)
Inventor
Herr Reiner PESCH
Herr Christoph HÖWELER
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Voith Patent GmbH
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Voith Patent GmbH
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Publication date
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Publication of WO2017174554A1 publication Critical patent/WO2017174554A1/fr
Anticipated expiration legal-status Critical
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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D3/00—Indicating or recording apparatus with provision for the special purposes referred to in the subgroups
    • G01D3/08—Indicating or recording apparatus with provision for the special purposes referred to in the subgroups with provision for safeguarding the apparatus, e.g. against abnormal operation, against breakdown
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M13/00—Testing of machine parts
    • G01M13/02—Gearings; Transmission mechanisms
    • G01M13/022—Power-transmitting couplings or clutches
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D2205/00—Indexing scheme relating to details of means for transferring or converting the output of a sensing member
    • G01D2205/20—Detecting rotary movement
    • G01D2205/28—The target being driven in rotation by additional gears

Definitions

  • the invention relates to a method and a device for determining different angles of rotation and for determining speed differences of at least two rotating shafts.
  • This invention is particularly suitable for a powertrain comprising a motor for driving a rotatably driven shaft called a drive shaft and having a shaft called an input shaft.
  • a motor for driving a rotatably driven shaft called a drive shaft and having a shaft called an input shaft.
  • a compensation element between the drive shaft and input shaft is provided.
  • the apparatus and method can also be used for the determination of speed differences of different rolls in a rolling mill.
  • Torsionally elastic torsional vibration dampers are often referred to in industrial use as highly elastic couplings. Such highly elastic couplings are used to dampen critical torsional vibration amplitudes and limit existing amplitudes of the powertrain or to shift the frequencies at which they occur in a targeted manner.
  • the torsional elasticity is achieved by the use of spring elements made of metallic materials or elastomers, e.g. Rubber, insist.
  • Torque limiting clutches protect all components in the powertrain. In the case of an impermissibly high torque, the clutches interrupt the power flow in the drive train. This avoids or minimizes consequential damage and longer unforeseen downtime. For example, Voith special designs are known, the additional benefits for to provide the production process. SmartSet couplings for torque limiting are equipped with a slip function. Before triggering, a predetermined slip is possible, so that a short-term overload situation does not directly lead to the interruption of the power flow in the drive train. During the slip phase, a limited torque is initially transmitted. If a predetermined twist angle is exceeded during the slip phase, the SmartSet clutch opens the drive train.
  • Torque limiting clutches known as AutoSet clutches are equipped with a slip function and an automatic reset of the maximum allowable twist angle during the slip phase.
  • Torsionally flexible torsional vibration dampers and torque limiting clutches are subject to aging and must be serviced.
  • the torsional load and the resulting stress on the torsional vibration damper or the torque-limiting coupling have a decisive influence on the aging process.
  • the invention was based on the object to provide a device and a method with which the load of the compensation element can be detected in dynamic operation. Thus, conclusions can be drawn on the current operating behavior, as well as on the aging process. Through observation over the entire service life, the aging state and the remaining life of the compensation element can be approximated.
  • the invention was based on the object to provide an improved method and an improved device, with which a twist angle can be detected.
  • the twist angle to be detected may relate to two locations of a drive train between which a rotation may occur due to various components.
  • Possible causes for the torsion are: • generally torsion by the acting torque, in particular with a time-variable torque • dynamic torsional vibration behavior when using torsionally flexible couplings
  • an occurrence of slippage of a torque-limiting coupling or twisting caused by a torsional moment of a highly elastic coupling or a shaft can be detected.
  • the invention can also be used to detect a twist angle between two shafts, preferably between two shafts in a power plant or a rolling mill.
  • the object of the invention is achieved by the Verfwinkelmessvorraum, the method for determining the twist angle and in particular the method for determining the state of aging.
  • the device is provided for measuring the angle of rotation of a drive arrangement between a first and a second measuring point.
  • the drive arrangement comprises a drive shaft rotatably drivable.
  • the drive shaft can be connected to an input shaft via a compensation element, wherein the torsion angle measuring device comprises at least one first pulse generator connected rotationally fixed to the drive shaft at the first measuring point.
  • This pulse generator is assigned a first pickup.
  • At a second measuring point at least one rotatably connected to the input shaft second pulse generator is arranged.
  • This input-side second pulse generator is associated with an input shaft side arranged second pickup.
  • the signals of the first pickup and the second pickup are fed to a controller.
  • An angle of rotation between the first and second measuring points can be determined by the control device.
  • a controller is a unit through which incoming signals are processed and which is suitable for executing a computer program. It has proven to be advantageous that the angular position of the drive shaft and the position of the input shaft can be determined by the control device and from this a rotational angle detection takes place. Due to the separate detection of the angular position of the drive shaft and the input shaft standard components can be used in the angle detection regardless of the geometry, such as diameter of the shafts.
  • At least one pulse pickup preferably the first pickup, in the drive shaft, which can detect a pulse rate of at least 1 MHz, preferably 2 MHz. Due to the high number of detectable pulses high accuracy can be achieved.
  • the number of pulses of the pulse generator used must be adapted to the application.
  • a pulse generator comprises 90 to 200 pulses. The limits are given by the pickup, whereby the rotation frequency is included. In some applications, even a few pulses, e.g. be sufficient in the range of 1 to 4 pulses.
  • the first pulse generator per full revolution comprises a number of pulse marks which deviates from the number of pulse marks per full revolution of the second pulse generator.
  • gears with different numbers of teeth can be used.
  • the device can also be used in drive arrangements with a drive shaft having a diameter deviating from the input shaft.
  • the possibility here to use pulse generators with identical pulse widths in terms of the scope has an advantageous effect on the Manufacture cost. It can be used standard sprockets and standard sensors, which are adapted to the tooth spacing.
  • a zero angle detection is performed on both sides.
  • Zero angle detection provides for the determination of an absolute angle with respect to an angular position of the shaft marked as zero angle.
  • a zero angle detection is always provided on both sides, so that always an absolute angle of the drive shaft and the input shaft can be performed independently.
  • the respective pulse generator has at least one irregularity.
  • this irregularity point is formed by a pulse miss. These irregularities make it easy to detect full revolutions. This irregularity point is designed so that due to the inertia of the drive assembly no such short-term accelerations are possible, which could lead to such a pulse sequence. Due to these irregularities, full revolutions can be clearly detected.
  • a unit called a keyphaser can also be provided for a zero-angle detection consisting of an additional pulse generator with an associated sensor.
  • the pulse generator of the Keypahsors comprises only one pulse mark for indicating a zero position or a full revolution.
  • the direction of rotation of the respective shaft may change, so that from the number of pulses can not be concluded clearly on the number of full revolutions.
  • This zero angle detection uniquely determines an angular position.
  • At least one of the measuring points is provided with at least two pulse pickups.
  • One of Pickup is provided for detection of the rotational movement of the respective shaft.
  • the other encoder of the measuring point is intended for the detection of the direction of rotation. Detection over the irregularity point, one of the pickups is also designed to detect full revolutions.
  • the two pickups of a measuring point are arranged with an offset to each other, so that the direction of rotation of the shaft results unambiguously from the sequence of pulses of the two pickup of this measuring point.
  • an absolute angular position of the drive shaft and an absolute angular position of the input shaft can be determined by the control device and that for a determination of the rotation angle, a difference of the absolute angular positions of the drive shaft and the input shaft is provided by the control device.
  • the determined absolute angular positions of the drive shaft and the determined absolute angular positions of the input shaft are stored in a memory and are readable.
  • This memory can be arranged in the control device.
  • the method comprises the following method steps:
  • Determining the angle of rotation by comparing the time-dependent angle signal from the drive shaft and input shaft at the same times.
  • the rotational speed of the respective shaft can be determined from the determined angular positions of the input shaft and / or the output shaft at continuous time points.
  • This method can also be used to obtain a twist angle of different rolls in a rolling mill, i. different angular positions of the rollers to each other and their change to determine.
  • a first of the rolls to be compared corresponds to the shaft designated as the drive shaft
  • the further shaft i to be compared corresponds to the shaft designated as the input shaft.
  • a pulse at the drive shaft may be associated with a swept angle that deviates from an angle swept at the input shaft per pulse. It eliminates the need to work on both sides with an identical number of pulses per full revolution.
  • the generation of the pulse signals by a sensor technology preferably Non-contact scanning of arranged on the drive shaft and input shaft pulse generators takes place.
  • a learning mode is provided, wherein in the learning mode at predetermined, preferably constant rotation of the drive shaft and / or the input shaft in the unloaded state measured the pulses and detected per revolution repetitive deviations and in the control device be stored in relation to a zero position / zero angle.
  • the method comprises a zero position detection for both measuring points.
  • the zero position detection generates an additional pulse train by an additional pulse generator, wherein the additional pulse train marks a zero position, also referred to as keyphasor.
  • the additional pulse train may be provided by an irregularity point in the pulse sequence of a measuring point per 360 °. This irregularity point marks a zero position.
  • the zero position can also be set to a predeterminable angle to the irregularity point.
  • the method comprises a direction of rotation detection for both of the measuring points, wherein the direction of rotation detection is detected by the sequence of an additionally recorded pulse sequence per pulse generator by the control device.
  • the direction of rotation detection is detected by the sequence of an additionally recorded pulse sequence per pulse generator by the control device.
  • This method is also referred to as a quadrature encoder method.
  • measurement errors in the form of individual outliers are detected from at least one of the pulse sequences, preferably from all pulse sequences, and corrected from the pulse sequence by a spike remover. In each case a pulse train is processed in isolation by the Spike Remover.
  • the determined angle of rotation and its time profile are taken into account by the control device for determining the stress of a compensation element used to connect drive shaft and input shaft. It should be noted that an external load leads to an internal stress of the material in a highly elastic coupling.
  • the stress of the compensation element in the current operating state is determined.
  • measuring an applied torsional moment can also be advantageous. Then the determination of the torsional moment from the respective angles of rotation is not required.
  • characteristic tables for torsion-dependent aging values also referred to as damage values, are stored.
  • a compensating element comprising an elastomer, it has proved advantageous to include characteristic values in which the frequency of a periodic angle of rotation is included in the aging values and to be taken into account when determining a residual service life.
  • further measurement signals detect the local temperature at at least one, preferably a plurality of points of the spring element or of the spring elements.
  • the stress of the compensation element in the current operating state is determined by detection and from the information about the angle of rotation, including previously determined characteristic values.
  • the previously determined characteristic values can be load values that depend on the angle of rotation and its time course.
  • the aging and the expected remaining service life of the element are determined from the recorded data for stressing the compensation element.
  • the control device comes into signal contact with a drive control for driving the drive shaft.
  • at least one contact address is stored in the control device and information is sent to the predetermined contact address when a predetermined stress of the compensation element is exceeded.
  • the direction of rotation of the drive shaft and / or the input shaft, in particular changing directions of rotation are taken into account. The determination of the direction of rotation can be made the sequence of pulses of a first and a second pulse train are derived at one of the measuring points.
  • the signals of some of the pickups are read out before being put into operation at a known speed.
  • compensation parameters can be stored in the control device.
  • sensor-related and application-related influences can be eliminated. This contributes to increasing the measurement accuracy.
  • it can be provided to allow an interpolation for the determination of angular positions between two pulses. The interpolation can increase the accuracy.
  • Fig. 1 drive arrangement with a measuring channel per measuring point
  • Fig. 2 Drive arrangement with two or three measuring channels per measuring point
  • Fig. 3 flowchart with respect to a measuring point
  • the Verwarwinkelmessvorraum 1 comprises a first pulser 3 and a second pulser 5.
  • the first pulser 3 is rotatably connected to a drive shaft 2 of a drive.
  • the second pulse generator is rotatably connected to an input shaft 6.
  • the input shaft 6 is operatively connected to a consumer 17.
  • the first pulse generator 3 is assigned a first pulse pickup 9 and the second pulse generator 5 is assigned a second pulse pickup 10.
  • the first pulse generator 3 and the first pulse pickup 9 are assigned to a first measuring point 21.
  • the second pulse generator 5 and the second pulse pickup 10 are assigned to a second measuring point 22.
  • the second pulser 5 has one of the first Pulse encoder 3 different diameter.
  • the first pulser and the second pulser are provided with a defect as an irregularity.
  • a rotational movement of the drive shaft 2 characterizing pulses / signals of a control device 15 via a signal connection 1 1 are fed.
  • This signal connection 1 1 can also be implemented wirelessly by means of a transmitting and a receiving device. From the control device 15, the respective angular position and / or the rotational movement of the drive shaft 2 from the signals of the first pulse pickup 9, as described in detail below with reference to Figure 3, determined.
  • signals of the second pulse pickup 10 of the control device 15 are transmitted via a signal connection 12.
  • This signal connection 12 can also be wireless. From the signals transmitted by the second pickup 10, the angular position and / or the rotational movement of the input shaft 6, as will be explained in more detail below with reference to FIG. 3, is determined. Due to the irregularity for zero position detection, angular positions of the drive shaft 4 and the input shaft 6 can be determined by the control device 15 as absolute values. Subsequently, a subtraction is carried out, wherein the difference formation is carried out taking into account the 360 ° breakthroughs. From a difference between the rotational movement of the drive shaft 2 and the input shaft 6 results in a twist angle between the first measuring point 21 and the second measuring point 22 at the moment considered.
  • the drive shaft 2 is connected to the input shaft 6 via a compensation element 4.
  • the compensation element 4 may be a safety coupling, a highly elastic coupling or a non-rotatable connection of the drive shaft 2 to the input shaft.
  • torsion between the first measuring point 21 and the second measuring point 22 is accompanied by the angle of rotation.
  • This torsion loads the shaft / connection or the highly elastic coupling. It can become a repetitive periodic Forming a change in the angle of rotation, which can also be referred to as oscillation. By detecting the time course of the rotation angle, such a vibration can be detected.
  • slippage of the safety coupling can result from the twist angle.
  • the device shown in Figure 2 for measuring the rotation angle 1 differs in that at the first measuring point 21 in addition to the first pulse generator 3, an additional pulse generator of the kephasor 3b is arranged.
  • the pulse generator of the Cephasors 3b is also rotatably connected to the drive shaft 2.
  • the pulse generator of the kephasor 3b is associated with a pickup of the keyphaser 9b.
  • the pulse generator of the keyphaser 3b has one pulse per full revolution.
  • the pulse generator of the keyphaser 3b is used for counting the full revolutions and for identifying a predetermined angular position, also referred to as zero angle.
  • This unit of pulse generator of the keyphaser 3b and pickup of the keyphaser 9b is also referred to as a keyphaser sensor or short keyphaser.
  • the first pulse generator 3 is associated with a further pulse pickup 9a.
  • This further pickup 9a is arranged for phase-shifted detection of the pulses of the first pulse generator 3. Due to the phase offset, the detection of the direction of rotation of the drive shaft from the sequence of detected pulses by the first pickup 9 and the other pickup 9a is possible. All pickups 9, 9a, 9b of the first measuring point 21 are arranged radially.
  • a further Impulsaufnehnner 10 a is assigned to the second pulse generator 5.
  • the further pickup 10a is arranged axially for picking up pulses.
  • the second pulser 5 is equipped with a defect for the detection of a zero position.
  • the pickup 10, 10a of the pulse generator 5 is sensed by sensors.
  • the second and the further pickup 10a are arranged in such a way that can be closed by the sequence of recorded by the second and the other pulse pickup pulses on the direction of rotation of the input shaft 6.
  • a pulse generator 5 may be provided in particular a sprocket.
  • both pickups are arranged radially or axially, so that relative movements in the shaft affect both Impulsaufnhemer together.
  • the drive shaft 2 has a different from the input shaft 6 diameter.
  • the first pulser 3 and the second pulser 5 may receive a different number of scannable pulses, e.g. Teeth, per 360 °.
  • the embodiment shown in Figure 2 has a transmitting unit 18, can be sent by the signals.
  • the drive 16 is provided with a receiver 23. It can be provided that the operation of the drive to reduce the occurring angle of rotation is changed depending on the time profile of the angle of rotation. Via the receiver signals can be transmitted to the drive to change the control of the drive. For example, in the case of frequent slippage, a reduction in the drive power of the drive 16 may be provided.
  • the rotational speed of the drive 16 can be changed when occurring periodically changing angle of rotation. By determining the angular position of the drive shaft 2 and the input shaft 6 and then subtracting a high accuracy can be achieved. 360 ° breaks are taken into account when determining the angle of rotation.
  • the angular position is determined with reference to a set reference point. This determination is thus made with respect to a predetermined reference point of the drive shaft 2 and with respect to a predetermined reference point of the input shaft 6.
  • the reference points are also referred to as the zero angle.
  • the drive shaft 2 is provided with a reference point and independently of this reference point, the input shaft 6 is provided with its own reference point.
  • sensor-related influences are compensated by compensation parameters.
  • a gear is provided as the first pulser that has been formed by joining two gear halves, the distance between the two teeth at the abutment does not exactly match the distance between the other teeth.
  • the implementation of the method provides a kind of "learning mode" for Determination of the compensation parameters.
  • the incoming impulses are measured.
  • the detected tooth distances are averaged so that the result can be improved by a longer learning phase in the learning mode.
  • the tooth spacings associated with an angular position are averaged.
  • irregularities in the pulse generators 3 and / or 5 associated with the angular position can be detected and taken into account in the determination of the angular position. This contributes to an increase in accuracy.
  • the compensation element 4 is provided with a plurality of temperature sensors 74.
  • the temperature of the compensation element 4 can be taken into account in the determination of the instantaneous stress of the compensation element. It may be provided to sum up the instantaneous stresses and compare them with a predetermined lifetime to determine a remaining remaining life. If a predetermined remaining service life is exceeded, then a trigger signal is transmitted. By means of this trigger signal maintenance and thus replacement of the compensation element 4 can be planned. As a result, early failure of the compensation element 4 can be prevented.
  • a separate evaluation unit 76 is provided for determining the state of aging or the remaining service life. This evaluation unit 76 is part of the control device 15. This evaluation unit 76 could also be designed as an independent unit.
  • the controller 15 are supplied via a digital input 25 signals. These signals are converted into a pulse sequence, step 26. If a plurality of pulse pickups 9, 9a and 9b are provided at the measuring point 21, then it is provided that a pulse train is generated from the incoming signals of each pulse pickup 9, 9a, 9b, step 26.
  • step 28 it may also be provided to use an analog input 27 and to generate a pulse train from the incoming signals, step 28.
  • the use of incoming analog and digital signals to generate pulse sequences may be provided.
  • this pulse train is optionally subjected to a filtering of the signals in step 42. There are individual outliers away. In the case of the other present pulse sequences, filtering of the signals may also be provided in step 31, with individual outliers being removed from the pulse sequence during filtering. That steps 31 and 42 are optionally provided is indicated by the dashed bypass line.
  • step 31 two pulse sequences of a measuring point can be processed in parallel. If, in particular, two pulse pickups, such as 10, 10a or 9 and 9a, are provided, two pulse sequences per measuring point can be subjected to filtering, also referred to as spike remover.
  • a pulse generator with an irregularity is e.g. provided in the form of a defect, so one of the irregularity-containing pulse sequence is used in step 41 for a zero detection and based on which determines the zero.
  • step 33 the direction of rotation detection is performed in the case of two sequences of pulses which are recorded in phase offset from one another. Furthermore, in at least one of the pulse trains the count of the pulses is made. This counting of pulses can be done by detecting the pulse edges from 0 to 1. This result is summarized in FIG. 34. In the negative direction of rotation is counted backwards. This result is used in steps 43 and 44. The number of detected pulses from 33 is referenced to the detected zero angle, also referred to as the zero position, in step 43 or 44, result 46. Thus, e.g. the result before that the current angular position is three pulses after the zero angle when rotating in the positive direction of rotation. Which is the positive direction depends ultimately on the arrangement of the sensor pairs, or of the definition of which signal input 9 and which is 9a.
  • This result 46 is converted into an angle value in step 35.
  • an absolute angle value is determined. If correction parameters are available, these correction parameters are taken into account in the determination of the absolute angle value, step 36. This step is optional and increases the accuracy of the absolute angle value.
  • the correction parameters may have been or have been determined in a learning mode at startup.
  • Module 70 represents the determination of the time profile of the absolute angular position. In step 71, an interpolation between the concretely determined absolute angular positions is provided. The result is available in 72. This result refers only to one measuring point. In the same way, the absolute angular position is determined for the further measuring point and then the angle of rotation is determined by subtraction, not shown in Figure 3.
  • a determination of a specific speed is provided.
  • the angle support points are transformed into velocity values.
  • an interpolation between the speed bases is provided.
  • the result is shown in FIG. 62.
  • This result 62 refers to a measuring point.
  • Such a determination can also be carried out for the other measuring point and the difference in the speeds between the measuring points can be represented.
  • the accuracy of angle detection is determined by various aspects, such as
  • the incoming digital signals of the pickups 9, 9a, 9b, 10, 10a are detected and evaluated by the pulse generators 3, 3b, 5 at a high sampling rate.
  • rates of the order of 2 MHz can be realized.
  • the angular positions are linearly interpolated there. This is made possible by the strategy of the slightly time-delayed evaluation of input signals in the calculation. If necessary, the accuracy could be improved a little by providing quadratic interpolation.
  • the accuracy can be further increased by further measures such as compensation and averaging.
  • the method includes the option of compensating for nonuniform pulse distributions.
  • the determination of the parameters required for the compensation is supported in the method implemented here by a kind of "learning mode". In the learning mode, the tooth distances are automatically measured with constant, unloaded rotation. A learning trip can be carried out for any length of time. To increase the accuracy, the determined pulse positions are averaged over the entire learning travel.
  • the directly determined angles of rotation always refer to the surrounding pulse generators.
  • the accuracy of this dynamic signal can be increased by averaging (moving averaging window).
  • the dynamic speed can also be determined based on this measuring chain (including optional compensation of non-uniform pulse distributions).

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Length Measuring Devices With Unspecified Measuring Means (AREA)

Abstract

L'invention concerne un procédé et un dispositif destinés à un système d'entraînement et servant à mesurer un angle de rotation entre un arbre d'entraînement pouvant être mis en rotation et un arbre d'entrée. L'arbre d'entraînement est relié à l'arbre d'entrée par un élément de compensation. Le dispositif de mesure de l'angle de rotation présente un premier et un second site de mesure. Le premier site de mesure comprend un générateur d'impulsions relié bloqué en rotation à l'arbre d'entraînement. À l'émetteur d'impulsions est associé un capteur d'impulsions qui achemine les signaux d'impulsion d'un dispositif de commande associé. Le second site de mesure comprend un générateur d'impulsions de l'arbre d'entrée relié bloqué en rotation à l'arbre d'entrée. Au générateur d'impulsions de l'arbre d'entée est associé un capteur d'impulsions. Ledit capteur d'impulsions achemine les signaux d'impulsion captés du dispositif de commande associé. Le dispositif de commande détermine la position angulaire ou la vitesse de l'arbre d'entraînement au niveau du premier site de mesure, et détermine la vitesse et/ou la position angulaire de l'arbre d'entrée au niveau du second site de mesure. À partir d'une comparaison entre les vitesses et/ou les positions angulaires, le dispositif de commande détermine l'angle de rotation instantané et la variation de l'angle de rotation, complétés éventuellement par une détermination du vieillissement et un pronostic de durée de vie.
PCT/EP2017/057940 2016-04-07 2017-04-04 Procédé et dispositif de détermination d'une position angulaire relative d'éléments rotatifs Ceased WO2017174554A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102016205781.2A DE102016205781A1 (de) 2016-04-07 2016-04-07 Verfahren und Vorrichtung zur Bestimmung einer relativen Winkelposition von rotierenden Bauteilen
DE102016205781.2 2016-04-07

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CN112361947A (zh) * 2020-11-23 2021-02-12 华能新能源上海发电有限公司 一种风力发电机联轴器打滑位移在线监测设备
CN113075538A (zh) * 2021-03-17 2021-07-06 广东电网有限责任公司电力科学研究院 一种有载分接开关的监测方法、监测装置和监测系统
CN116929754A (zh) * 2022-04-02 2023-10-24 北汽福田汽车股份有限公司 离合器的工作检测方法、装置及车辆

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CN114593012B (zh) * 2022-03-16 2026-02-10 东方电气风电股份有限公司 一种风力发电机组传动轴扭振保护装置及方法
WO2025242354A1 (fr) 2024-05-22 2025-11-27 Sew-Eurodrive Gmbh & Co Kg Procédé de détermination d'angle de rotation d'un premier arbre

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