WO2014032992A1 - Procédé et dispositif de détermination du diamètre d'une roue de véhicule, en particulier d'un véhicule ferroviaire - Google Patents

Procédé et dispositif de détermination du diamètre d'une roue de véhicule, en particulier d'un véhicule ferroviaire Download PDF

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Publication number
WO2014032992A1
WO2014032992A1 PCT/EP2013/067135 EP2013067135W WO2014032992A1 WO 2014032992 A1 WO2014032992 A1 WO 2014032992A1 EP 2013067135 W EP2013067135 W EP 2013067135W WO 2014032992 A1 WO2014032992 A1 WO 2014032992A1
Authority
WO
WIPO (PCT)
Prior art keywords
distance
wheel
vehicle
distance sensor
sensor
Prior art date
Application number
PCT/EP2013/067135
Other languages
German (de)
English (en)
Inventor
Uwe Rosenkranz
Ulrich Bock
Maik BÄHR
Andreas DRIEMEL
Peter Lührs
Original Assignee
Siemens Aktiengesellschaft
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Siemens Aktiengesellschaft filed Critical Siemens Aktiengesellschaft
Priority to EP13753597.7A priority Critical patent/EP2872371A1/fr
Priority to CN201380042433.7A priority patent/CN104520162A/zh
Publication of WO2014032992A1 publication Critical patent/WO2014032992A1/fr
Priority to HK15109983.3A priority patent/HK1209390A1/xx

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61K—AUXILIARY EQUIPMENT SPECIALLY ADAPTED FOR RAILWAYS, NOT OTHERWISE PROVIDED FOR
    • B61K9/00—Railway vehicle profile gauges; Detecting or indicating overheating of components; Apparatus on locomotives or cars to indicate bad track sections; General design of track recording vehicles
    • B61K9/12—Measuring or surveying wheel-rims

Definitions

  • the invention relates to a method and a device for determining or detecting a wheel diameter of a vehicle, in particular a rail vehicle.
  • rail networks are operated with a so-called train protection system.
  • the knowledge about the current position of the or each along the tracks of the railway network moving rail vehicle he ⁇ required.
  • the position of each rail vehicle is determined by odometry.
  • the distance is determined in a first step, which has covered the rail ⁇ vehicle since a certain reference point.
  • the distance is projected along the track traveled by the rail vehicle and thus determines the position of the vehicle.
  • the distance is usually determined both on the basis of the circumference of one of the wheels of the vehicle and on the basis of the number of wheel revolutions during the movement of the vehicle.
  • the distance in this case is the product of the number of wheel revolutions and the circumference of the wheel.
  • the wheel diameter is determined during maintenance of the rail vehicle.
  • the wheel diameter is directly measured and stored in a Odometriesystem by means of a gauge, by means of which during loading ⁇ drive the position of the vehicle is determined.
  • the location of the wheel contacting the track is marked and the rail vehicle is moved along the track until the particular location has contact with the track again.
  • the covered distance corresponds to the wheel circumference.
  • the wheel diameter is also determined by mathematical transformation and entered into the odometry system.
  • Wegim ⁇ pulser To determine the number of revolutions of the wheel during operation of the rail vehicle is usually a Wegim ⁇ pulser used.
  • Wegimpulsgeber often have a so-called encoder wheel, which is coupled either by means of a La ⁇ gers or bearingless with the axis of the wheel.
  • the sender wheel itself has, for example, holes distributed along the circumference, which are irradiated with a vehicle-stationary luminous source.
  • a on the light source gegenü ⁇ berrise side of the encoder wheel vehicle stationary arranged light sensor detects the light pulses generated by the holes during a rotation of the encoder wheel.
  • the number of pulses counted is the product of the number of holes on the encoder disk and the number of wheel revolutions.
  • the encoder wheel is at least partially magnetic, and a Hall sensor of the Wegimpulsgebers is arranged stationary in the vehicle in the region of the encoder wheel.
  • the current pulses generated due to the movement of the magnetic encoder wheel by means of the Hall sensor thereby correspond to the number of wheel revolutions.
  • the invention has for its object to provide a particularly suitable method for determining a wheel diameter of a vehicle, in particular a rail vehicle, and a BE ⁇ particularly suitable device for detecting a wheel diameter of such a vehicle. Furthermore, a rail vehicle should be specified with such a device and with a suitable measuring device.
  • the method for determining a wheel diameter of a vehicle provides that a first distance between a distance sensor and a rotation axis of the wheel is determined during assembly of the distance sensor.
  • the axis of rotation is that mathematical axis about which the wheel rotates during loading ⁇ drive of the vehicle, in particular to its locomotion. This rotational movement is possible, for example, with ⁇ means of a wheel axle, on which the wheel is attached, and is advantageously also rotates.
  • the axis of rotation runs along the extent of the wheel axis through its center. In other words, the distance between the rotational axis and the distance sensor is equal to the distance between the center of the wheel axle and the Ab ⁇ level sensor.
  • distance sensor is meant, for example, a sensor device.
  • the distance sensor may also designate a particular point that is stationary during operation.
  • a second Ab ⁇ stand is determined, which is formed between the distance sensor and the tread, ie the circumference of the wheel.
  • suitable example is the distance sensor from the tread of the wheel spaced so that even mainly immediate cash after mounting the distance sensor, a second from ⁇ was obtained.
  • the second distance is always RESIZE ⁇ SSSR than zero.
  • the second distance is determined during operation of the vehicle, which is preferably a rail vehicle.
  • the term "operating" margin that time, beginning with the completion of the assembly of the vehicle and ends with the decommissioning, such as the destruc ⁇ tion of the vehicle. In particular, this one et- Wait for revision or maintenance of the vehicle counted as belonging to the Be ⁇ operating time.
  • the second distance is subtracted from the first distance and the result multiplied by the factor two (2).
  • the determination of the wheel diameter is on the one hand no compliment ⁇ ed moving the vehicle along a the periphery of the wheel corresponding distance required, which may be error-loaded at a comparatively high weight of the vehicle because of its Träg ⁇ unit.
  • a ver ⁇ same manner time-consuming determination of the wheel diameter, for example by means of a gauge is avoided. Due to the proposed method, a minimum distance, namely the second distance, must be determined, which is comparatively quickly possible compared to determining the maximum distance according to the prior art. In particular, if there are no further elements between the tread and the distance sensor, the determination speed is increased.
  • the second distance is determined during a rotational movement of the wheel and thus to calculate the wheel diameter substantially continuously.
  • the second distance is determined only during a standstill ⁇ the vehicle. In this way a measurement inaccuracy et ⁇ waige the second distance due to Dy ⁇ dynamics of the wheel does not exist or at least reduced.
  • the second distance is substantially non ⁇ schmidferred determined after an activation of the distance sensor.
  • the distance sensor is preferably energized, and thus the second distance determined substantially immediately after the beginning of the energization of the distance sensor.
  • the second distance is measured again and calculates the wheel diameter.
  • the calculated reduced diameter ⁇ wheel is used as the diameter of the wheel, for example for determining a speed of the traveling ⁇ zeugs or a distance traveled by the vehicle.
  • Such a reduction in diameter is caused, for example, by wear of the wheel due to wear or excessive braking leading to a so-called flat.
  • the determined wheel diameter is used without further verification as a new wheel diameter. Due to such a procedure, the circumstance is taken into account that in a rotational speed determination of the axis of rotation and the use of the wheel diameter for determining affygeschwindig ⁇ speed at an increased wheel diameter, the vehicle speed is greater than previously assumed. In contrast, the corrected downwardgglinggeschwindig ⁇ ness is used only after the verification of the reduction of the wheel diameter.
  • the device is suitably used for carrying out the method.
  • At least the device comprises a measuring device for detecting a wheel diameter of a vehicle, wherein the vehicle is expediently a rail ⁇ vehicle.
  • the measuring device comprises a distance sensor which is stationarily stationary at a first distance from a vehicle Rotary axis of the wheel is attached.
  • the distance sensor processing ⁇ tet suitably according to the induction principle and preferably has a throughput flowed by a high frequency alternating current coil.
  • the distance sensor operates according to a measuring method using a triangulation, for example by means of laser.
  • the distance sensor is a second distance be ⁇ true, which is formed between the distance sensor and the running surface of the wheel.
  • the distance sensor is preferential ⁇ as spaced from the tread of the wheel.
  • there is an air gap between the distance sensor and the running surface which is preferably greater than 1 cm, but less than 10 cm.
  • the wheel diameter is based on the formula 2 * first distance minus 2 * second distance be ⁇ true. This determination is made for example in a Re ⁇ chentician, which may be part of the measuring device. Due to the unique installation of the distance sensor on the vehicle, which causes a constant first distance, a re-fetched determination of the second distance and thus a Bestim ⁇ mung the wheel diameter is comparatively easy.
  • the distance sensor is arranged substantially in the plane in which the wheel is located.
  • the second distance substantially equal to the Kleinstmög ⁇ Liche and the area occupied by the apparatus is comparatively small installation space. Further, due to the substantially right angle between the tread and the second distance direction, detection thereof is comparatively easy.
  • the distance sensor is arranged in a horizontal plane passing through the axis of rotation.
  • the distance sensor is preferably connected to a bearing of the wheel axle.
  • the apparatus comprises a temperature sensor ⁇ , by means of which the ambient temperature of the distance sensor can be determined.
  • the temperature sensor is arranged in the region of the distance sensor and is in particular in direct thermal contact therewith.
  • the temperature sensor is applied to the distance sensor.
  • the sensitive surface of the temperature sensor is arranged in the region of any electronics of the distance sensor and / or the sensitive elements of the distance sensor. It is thus possible to verify by means of the temperature ⁇ sensor, whether the distance sensor was ready for operation at the time of determining the second distance. If this is not the case, ie the ambient temperature or even the temperature of the sensor during the determination was outside a range permissible for operation, this second distance is not used for determining the Rad diemes ⁇ sers.
  • the apparatus comprises a second Ab ⁇ level sensor.
  • the distance of the second distance sensor to the axis of rotation is the same of the first Ab ⁇ level sensor to the axis of rotation.
  • the first distance of the first distance sensor and the first distance of the second distance sensor are the same.
  • both the first distance sensor and the second distance sensor are arranged in a plane with the wheel. If the first two distances are the same, then even with a uniform shape of the wheel, the second distance of the two distance sensors the same.
  • a wheel diameter is calculated with each of the two second distances and the two values for the wheel diameter are compared with each other.
  • a tolerance limit is given by which the two wheel diameters can differ. If the deviation is greater than the tolerance threshold, preference ⁇ , a message or the like is output, the signals that the device and / or the wheel is not ready for operation / are.
  • the two distance sensors are offset with respect to the axis of rotation of the wheel by an angle.
  • the angle is in this case formed, in particular, between the two distance sensors and that point of the axis of rotation which represents an intersection of the axis of rotation with a plane perpendicular thereto, within which the two distance sensors lie.
  • the two distance sensors are distributed radially around the axis of rotation.
  • the angle is expediently comparatively small.
  • the angle is less than 20 °, for example less than 10 ° and preferably less than 5 °.
  • the angle is between 170 ° and 190 °. Particularly preferred is the angle equal to 180 °, so that there is a substantially point-symmetrical arrangement of the two distance sensors to the axis of rotation.
  • the two distance sensors and the axis of rotation lie in particular in a plane which moreover preferably extends substantially horizontally.
  • Wei ⁇ any spring deflection of the wheel relative to the suspension of the two distance sensors are substantially compensated.
  • an approximation of the wheel to one of the two distance sensors is compensated by a spacing of the wheel from the remaining distance sensor due to the point-symmetrical arrangement.
  • the average of the two two ⁇ th intervals is substantially constant.
  • the device has an analog-to-digital converter (A / D converter) with an interface to which the distance sensor is connected, for example by means of a cable.
  • a / D converter analog-to-digital converter
  • the resolving power of the converter is tuned to the desired measurement accuracy from ⁇ .
  • the resolving power is equal to 1 mm or 0.5 mm.
  • the A / D converter includes a second interface for signaling
  • the converter either has two essentially identical processing electronics, or the measured values determined by means of the two distance sensors are processed successively with only a single processing electronics.
  • each ⁇ the distance sensor is assigned its own A / D converter.
  • the digital word also expediently comprises a Ken ⁇ voltage of the distance sensor, for example its serial number.
  • the measured value used can be assigned to the respective distance sensor. If this is defective or has exceeded its permissible lifecycle time, this will be done via the digital word of a transmitter provided measurement result of this is not used for determining the wheel diameter.
  • the transmitter is integrated into the A / D converter, for example, or connected to it via a single interface. Due to the identifier in this case the assignment to the respective distance sensor is ensured.
  • the temperature of the distance sensor and / or its ambient temperature is preferably contained in the digital word if a temperature sensor is present.
  • the rail vehicle has the device mounted in the vehicle We ⁇ sentlichen stationary. In other words, no relative movement occurs during operation ⁇ substantially to between the device and other components of the rail vehicle, such as a motor or a clutch.
  • the distance sensor is connected to a chassis of the rail vehicle.
  • the device is operated according to the method. With regard to the measuring device, the object is achieved according to the invention by the features of claim 12.
  • the distance sensor is suitable and intended to be arranged on a vehicle.
  • the vehicle is in particular a rail vehicle.
  • a holder is integrally formed on the Ab ⁇ sensor, which engages positively in a corresponding receptacle on a chassis of the vehicle.
  • the distance sensor and / or the A / D converter may conform to a vehicle's bus system, such as a CAN bus system.
  • FIG. 1 shows schematically a first embodiment of a device according to the invention
  • a rail vehicle 2 is shown in greatly simplified detail , resting on a track 6 with a chassis 4.
  • the chassis 4 comprises, for example, two wheels 8, wherein the wheel diameter 10 of one of the wheels 8 is detected by means of a device 12.
  • the device 12 comprises a measuring device 14 with a first distance sensor 16 and a second distance sensor 18.
  • the two distance sensors 16, 18 operate according to the induction principle and have an electrical coil through which a high-frequency alternating current passes. In the region of the coil, a temperature sensor 20 is arranged in each case.
  • the two distance sensors 16, 18 are each connected via a cable to an A / D converter 22, via which the power supply of the two distance sensors 16, 18 also takes place.
  • the two distance sensors 16, 18 are arranged in a plane with the associated wheel 8 and the measuring direction of each distance sensor 16, 18 is positioned in the direction of the axis of rotation 24 of the wheel 8.
  • the measurement direction of each distance sensor 16, 18 is substantially the wheel is perpendicular to the tread 26 of the wheel 8, 8 by means of the running ⁇ surface 26 with the track 6 in contact.
  • the two distance sensors 16, 18 are mutually offset by an angle with respect to the axis of rotation 24. Consequently, the angle is formed between the two measuring directions of the distance sensors 16, 18.
  • the angle is below 15 ° and is substantially equal to 5 °. Because of the comparatively small Angle are the two points of impact of the two measuring ⁇ directions of the distance sensors 16, 18 on the tread 26 of the wheel 8 comparatively close together.
  • the two distance sensors 16, 18 are spaced from the wheel 8, namely by a second distance 28, which can assume values between 1 cm and 10 cm during operation of the rail vehicle 2 due to wear. Furthermore, the mounting point of the two distance sensors 16, 18 is a first distance 30 away from the axis of rotation 24. The first distance 30 is in this case both greater than half of the Rad diemes ⁇ sers 10 and the second distance 28. The first distance 30 is substantially constant during the service life of the rail vehicle 2. During assembly of the measuring device 14, the first distance 30 is adjusted comparatively accurately and set such that the first distance 30 of the two Ab ⁇ sensors 13, 18 is equal. Because of this and the comparatively small distance between the two points of impact of the two measuring directions of the distance sensors 16, 18 on the running surface 26 of the wheel 8, the two second distances 28 of the distance sensors 16, 18 are substantially equal.
  • the second distance 28 is detected with ⁇ means of the two distance sensors 16, 18th
  • the Erfas ⁇ solution occurs only at a standstill of the vehicle 2 and essentially immediately after beginning of a current supply to the two distance sensors 16, 18.
  • the measurement will be 14 and the two distance sensors 16, 18 in a starting operation of the rail vehicle 2 is substantially immediately energized, so even before other components are activated, or the rail vehicle 2 is moved.
  • Such a start procedure is for a comparatively long standstill of the vehicle 2, such as after a Down ⁇ make the rail vehicle 2 for a night or ei ⁇ ner maintenance of the rail vehicle 2.
  • the measured values determined with the first and second distance sensors 16 and 18 are transmitted to the A / D converter 22. Also, the determined by means of the temperature sensors 20 ambient temperature of the distance sensors 16, 18 is transmitted to the A / D converter 22. This converts the measured values of the two distance sensors 16, 18 into a respective digital word 32, which additionally contains the serial number of the respective distance sensor 16, 18 and the value of the ambient temperature.
  • the digital word 32 is transmitted to an electrical system of the rail vehicle 2, with which an evaluation unit 34 is in contact.
  • (- second distance 28 first distance 30) determined by the evaluation unit 34 is the wheel diameter 10 at ⁇ hand the relationship twice.
  • the second Ab ⁇ stand 28 is used, when the temperature value contained in the digital word 32 is within the valid for the relevant Ab ⁇ level sensor 16, 18 operating range. If both of the first distance sensor 16 and the second distance sensor 18 determined second distance 28 is valid, so the respective temperature was within the allowable range, first the mean of the two second distances 28 is formed and this value for calculating the Rad diemes ⁇ sers 10 used. If only one of the two second distances 28 is valid, only this one is used for the calculation. If none is valid, an error message is issued.
  • the determined wheel diameter 10 is automatically compared with a value stored in an odometry system for the wheel diameter. If the newly calculated value is greater than the stored value, the stored value is overwritten with the newly determined value.
  • the calculated wheel diameter 10 is smaller than the stored wheel diameter, by means of the two distance sensors 16, 18 Minim ⁇ least made a renewed measurement. Only when this measure ⁇ tion also a reduced wheel diameter 10 outstanding- brings, this reduced wheel diameter 10 is deposited in the odometry system.
  • FIG 2 an alternative embodiment of the device 12 is shown.
  • the angle by which the two Abstandssen ⁇ sensors 16, 18 are offset to one another in this case is, 180 °.
  • the two distance sensors 16, 18 are arranged in a horizontal plane, in which also the axis of rotation 24 of the wheel 8 is located. Consequently, the wheel 8 is located between the two distance sensors 16, 18. Due to such an arrangement of the distance sensors 16, 18, any spring deflection of the wheel 8 can be compensated by means of a spring 36 of the Fahrge ⁇ stells 4.
  • the two distance ⁇ sensors 16, 18 attached to a rotational axis 24 receiving frame, which also springs by means of the spring 36.
  • a possible displacement of the rotation axis 24 in the horizontal direction is compensated by an averaging of the two second distances 28. Namely, in such a movement, one of the two second distances 28 is reduced by the amount by which the other of the two second distances 28 is increased.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Length Measuring Devices With Unspecified Measuring Means (AREA)

Abstract

L'invention concerne un procédé et un dispositif de détermination du diamètre d'une roue (10) d'un véhicule (2), en particulier d'un véhicule ferroviaire. On calcule une première distance (30) entre un capteur de distance (16, 18) et un axe de rotation (24) de la roue (8) lors du montage du capteur de distance (16, 18) et on calcule une seconde distance (28) entre le capteur de distance (16, 18) de la bande de roulement (26) de la roue (8) pendant le fonctionnement du véhicule (2). Le diamètre (10) de la roue (8) est donné par la relation 2*(première distance (30) - seconde distance (28)).
PCT/EP2013/067135 2012-08-28 2013-08-16 Procédé et dispositif de détermination du diamètre d'une roue de véhicule, en particulier d'un véhicule ferroviaire WO2014032992A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
EP13753597.7A EP2872371A1 (fr) 2012-08-28 2013-08-16 Procédé et dispositif de détermination du diamètre d'une roue de véhicule, en particulier d'un véhicule ferroviaire
CN201380042433.7A CN104520162A (zh) 2012-08-28 2013-08-16 用于确定车辆、尤其是轨道车辆的车轮直径的方法和设备
HK15109983.3A HK1209390A1 (en) 2012-08-28 2015-10-13 Method and device for determining a wheel diameter of a vehicle, in particular of a rail vehicle

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102012215256.3 2012-08-28
DE102012215256.3A DE102012215256A1 (de) 2012-08-28 2012-08-28 Verfahren und Vorrichtung zur Bestimmung eines Raddurchmessers eines Fahrzeugs, insbesondere eines Schienenfahrzeugs

Publications (1)

Publication Number Publication Date
WO2014032992A1 true WO2014032992A1 (fr) 2014-03-06

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PCT/EP2013/067135 WO2014032992A1 (fr) 2012-08-28 2013-08-16 Procédé et dispositif de détermination du diamètre d'une roue de véhicule, en particulier d'un véhicule ferroviaire

Country Status (5)

Country Link
EP (1) EP2872371A1 (fr)
CN (1) CN104520162A (fr)
DE (1) DE102012215256A1 (fr)
HK (1) HK1209390A1 (fr)
WO (1) WO2014032992A1 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2539172A (en) * 2015-04-28 2016-12-14 Hitachi Ltd Circumferential surface profile measurement device
WO2017013025A1 (fr) * 2015-07-22 2017-01-26 Siemens Aktiengesellschaft Véhicule ferroviaire
US10151582B1 (en) 2017-12-20 2018-12-11 Laird Technologies, Inc. Systems and methods for monitoring locomotive wheel size
DE102021128278A1 (de) 2021-10-29 2023-05-04 Karl Georg Stahlherstellungs- und Verarbeitungs GmbH Vorrichtung, Anordnung und Verfahren zur Verschleißüberwachung eines Laufrads

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Publication number Priority date Publication date Assignee Title
CN105292178B (zh) * 2015-10-13 2017-12-29 东莞市诺丽电子科技有限公司 在线有轨电车车轮直径测量方法
CN107748113B (zh) * 2017-10-09 2020-04-24 长沙开元仪器有限公司 一种轨道车辆及其轨道车辆车轮磨损检测装置
GB202109792D0 (en) * 2021-07-07 2021-08-18 Agco Int Gmbh Mobile machine and method
CN114701542A (zh) * 2022-04-29 2022-07-05 南京中车浦镇海泰制动设备有限公司 一种轨道交通车轮轮径修正系统

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EP1197419A1 (fr) * 2000-10-12 2002-04-17 Siemens SGP Verkehrstechnik GmbH Méthode et appareil pour déterminer le diamètre de roue et/ou la vitesse d' un véhicule ferroviaire
DE10102673A1 (de) * 2001-01-17 2002-07-18 Witt Ind Elektronik Gmbh Verfahren zur Bestimmung des Raddurchmessers und/oder Radprofils von Schienenfahrzeugrädern
EP1422119A1 (fr) * 2002-11-20 2004-05-26 Siemens SGP Verkehrstechnik Capteur de déraillement à induction
DE102004041804A1 (de) * 2004-08-24 2006-03-09 Siemens Ag Verfahren zur Ermittlung des Raddurchmessers, insbesondere von Güterwagen
DE202006019808U1 (de) * 2006-12-21 2007-04-12 Herbert Gehrisch Elektrotechni Vorrichtung zur Erfassung von Eigenschaften von Rädern eines Schienenfahrzeuges
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US4155526A (en) * 1977-11-09 1979-05-22 Westinghouse Air Brake Company Railroad car wheel measuring apparatus
EP1197419A1 (fr) * 2000-10-12 2002-04-17 Siemens SGP Verkehrstechnik GmbH Méthode et appareil pour déterminer le diamètre de roue et/ou la vitesse d' un véhicule ferroviaire
DE10102673A1 (de) * 2001-01-17 2002-07-18 Witt Ind Elektronik Gmbh Verfahren zur Bestimmung des Raddurchmessers und/oder Radprofils von Schienenfahrzeugrädern
EP1422119A1 (fr) * 2002-11-20 2004-05-26 Siemens SGP Verkehrstechnik Capteur de déraillement à induction
DE102004041804A1 (de) * 2004-08-24 2006-03-09 Siemens Ag Verfahren zur Ermittlung des Raddurchmessers, insbesondere von Güterwagen
DE102006033210A1 (de) * 2006-07-12 2008-01-17 Siemens Ag System und Verfahren zur Bestimmung der momentanen Ortsposition von Fahrzeugen, insbesondere von Zügen
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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2539172A (en) * 2015-04-28 2016-12-14 Hitachi Ltd Circumferential surface profile measurement device
GB2539172B (en) * 2015-04-28 2019-05-01 Hitachi Ltd Circumferential surface profile measurement device
WO2017013025A1 (fr) * 2015-07-22 2017-01-26 Siemens Aktiengesellschaft Véhicule ferroviaire
US10151582B1 (en) 2017-12-20 2018-12-11 Laird Technologies, Inc. Systems and methods for monitoring locomotive wheel size
EP3508394A1 (fr) * 2017-12-20 2019-07-10 Laird Technologies, Inc. Systèmes et procédés de surveillance de la taille d'une roue de locomotive
DE102021128278A1 (de) 2021-10-29 2023-05-04 Karl Georg Stahlherstellungs- und Verarbeitungs GmbH Vorrichtung, Anordnung und Verfahren zur Verschleißüberwachung eines Laufrads

Also Published As

Publication number Publication date
EP2872371A1 (fr) 2015-05-20
HK1209390A1 (en) 2016-04-01
CN104520162A (zh) 2015-04-15
DE102012215256A1 (de) 2014-03-06

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