EP2546120A1 - Procédé et système stationnaire pour surveiller l'équipement d'un véhicule de chemin de fer - Google Patents

Procédé et système stationnaire pour surveiller l'équipement d'un véhicule de chemin de fer Download PDF

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Publication number
EP2546120A1
EP2546120A1 EP11305910A EP11305910A EP2546120A1 EP 2546120 A1 EP2546120 A1 EP 2546120A1 EP 11305910 A EP11305910 A EP 11305910A EP 11305910 A EP11305910 A EP 11305910A EP 2546120 A1 EP2546120 A1 EP 2546120A1
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EP
European Patent Office
Prior art keywords
railway vehicle
equipment
thermal
visual
image
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
Application number
EP11305910A
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German (de)
English (en)
Other versions
EP2546120B1 (fr
Inventor
Oscar Urena
Konstantin Korotkov
Pau Gratacos
Robert Marti Marly
Joaquim Salvi Mas
Jan Margeta
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Alstom Transport Technologies SAS
Original Assignee
Alstom Transport SA
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 Alstom Transport SA filed Critical Alstom Transport SA
Priority to PL11305910T priority Critical patent/PL2546120T3/pl
Priority to ES11305910.9T priority patent/ES2470145T3/es
Priority to EP11305910.9A priority patent/EP2546120B1/fr
Publication of EP2546120A1 publication Critical patent/EP2546120A1/fr
Application granted granted Critical
Publication of EP2546120B1 publication Critical patent/EP2546120B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L27/00—Central railway traffic control systems; Trackside control; Communication systems specially adapted therefor
    • B61L27/50—Trackside diagnosis or maintenance, e.g. software upgrades
    • B61L27/57—Trackside diagnosis or maintenance, e.g. software upgrades for vehicles or trains, e.g. trackside supervision of train conditions

Definitions

  • the present invention relates to a method for automatically monitoring equipment of a railway vehicle with a stationary monitoring system, the railway vehicle including at least one equipment to be monitored that is arranged to be visible from the outside of the railway vehicle. Further, the present invention relates to a stationary system being stationary with respect to the ground for monitoring equipment of a railway vehicle including at least one equipment to be monitored that is arranged to be visible from the outside of the railway vehicle, the system comprising a visual camera having a first field of view and a controller adapted to control the visual camera, wherein the visual camera is arranged such that that the at least one equipment passes through the first field of view, when the railway vehicle passes the visual camera.
  • An efficient maintenance management program is important, where maintenance is required for very complex railway vehicles, for example trains and tramways. Maintenance management for such units has to comply with a number of requirements and has to be fitted, for example, into strict time-tables.
  • WO 2010/086045 A2 discloses a monitoring arrangement for monitoring the operating state and wear state of a slip contact device of a pantograph.
  • a camera is provided on a mast, so that an image can be captured of the slip contact device.
  • a light barrier or a mechanical contact is used for triggering the camera.
  • the captured images may be transmitted via a network to a computer, so that the computer or a human operator analyses the pictures.
  • such systems only detect visual defects or the wear of the slip contact device.
  • JP 2004/312832 discloses a solution for monitoring a pantograph shoe thickness and roof top equipment by photographing.
  • the photographing apparatus for the pantograph shoe thickness measuring needs different light conditions compared to the photographing apparatus for the roof top equipment monitoring.
  • Both photographing apparatus are installed on the same support structure so that the acquisition of images of the pantograph and the roof top equipment does not disturb each other.
  • CN 101762327 discloses an infrared temperature monitoring method and system for a catenary contact.
  • the system acquires a visible picture with contact information and a thermal image graph temperature data by using an infrared temperature monitoring device.
  • the system triggers an alarm.
  • This system is arranged on a moving vehicle.
  • Object of the invention is to provide a method and a system for monitoring equipments of a railway vehicle that simplifies a condition based maintenance of the monitored equipment.
  • the method for automatically monitoring equipment of a railway vehicle with a stationary monitoring system comprising:
  • the method further comprises temporally synchronizing the acquisition of the visual image and the acquisition of the thermal image.
  • the method further includes, generating the first picture from a plurality of visual images and/or generating a second picture from a plurality of thermal images, wherein the thermal information is determined based on the second picture.
  • the method further includes: identifying the railway vehicle and/or the type of the railway vehicle, in particular by identifying and recognizing a visual tag disposed on the railway vehicle on the at least one visual image and/or the first picture, wherein the visual tag includes information to identify the railway vehicle and/or the type of the railway vehicle.
  • the method further includes: a position determination comprising an object recognition for identifying the at least one equipment on the at least one visual image and/or on the first picture, and/or for identifying the position of the at least one equipment based on the at least one visual image and/or the first picture, wherein in particular the object recognition is a shape recognition.
  • the position determination further includes: providing predetermined localisation information comprising the position of the at least one equipment on the railway vehicle and/or the type of railway vehicle; determining a section on the at least one visual image and/or first picture, where the at least one equipment is supposed to be located based on the localisation information; and performing the object recognition on the determined section.
  • the method further includes: determining the speed of the railway vehicle; and adapting shutter speeds for acquiring visual images and thermal images based on the speed of the railway vehicle.
  • the at least one equipment is selected of the group consisting of: an air conditioning, a circuit breaker, a low tension cabinet, a motor supply cabinet, an inverter cabinet, a motor cooling system, a braking rheostat, a battery cabinet, a battery power switch, and a static converter.
  • the method further includes: sending the thermal information of the at least one equipment to a remote server.
  • a stationary system being stationary with respect to the ground for monitoring equipment of a railway vehicle including at least one equipment to be monitored that is arranged to be visible from the outside of the railway vehicle
  • the system includes a visual camera having a first field of view and a controller adapted to control the visual camera, wherein the visual camera is arranged such that that the at least one equipment passes through the first field of view, when the railway vehicle passes the visual camera
  • the system further includes a thermal camera having a second field of view, wherein the first field of view and the second field of view have a predetermined relationship, such that the position of an object on an thermal image acquired by the thermal camera has predetermined relationship the position of the same object on an visual image acquired by the visual camera
  • the thermal camera is arranged such that that the at least one equipment of the railway vehicle passes through the second field of view, when the railway vehicle passes the thermal camera
  • the controller is further adapted to control the thermal camera
  • the system is adapted to acquire at least one visual image and at least one thermal image of the railway
  • the visual camera and the thermal camera are disposed to acquire images of the roof of the railway vehicle.
  • the system further comprises a communication device connected to the controller, wherein the communication device is adapted to provide the thermal information to a remote server.
  • the thermal camera and the visual camera have respectively an optical axis, which are substantially parallel.
  • a railway vehicle may be a tramway or a train, for example a high speed train, an underground train, a suburban train or the like.
  • Figure 1 shows a schematically a top view of a railway vehicle 1 rolling on rails 3.
  • the railway vehicle 1 of the embodiment shown in Figure 1 is a tramway.
  • the railway vehicle 1 has a roof 5.
  • Equipment for the operation of the railway vehicle 1 is disposed on the roof.
  • an air-conditioning 10 for the driver cabin is arranged close to the driver cabin.
  • a low tension cabinet 12 an inverter cabinet 14, a motor supply cabinet 16, a motor cooling system 18, a passenger air-conditioning 20 for cooling the passenger cabin, a breaking rheostat 22, a battery power switch 24, a battery cabinet 26, a static convertor 28 and a general circuit breaker 30, which is ranged close to the pantograph 32, are arranged on the roof of the railway vehicle 1.
  • the equipments 10, 12, 14, 16, 18, 20, 22, 24, 26, 28, 30 are arranged at different positions on the roof and/or are enclosed respectively in a housing.
  • each type of equipment or its housing has a specific shape.
  • the equipment or the housings of the equipment are arranged such that they are visible from the exterior of the railway vehicle.
  • the term 'equipment' is used to designate the equipment or the housing of the equipment if the equipment is arranged in a housing.
  • the equipments have different operating temperatures and may fail if specific parts of the equipment overheat.
  • the operational state of one of these equipments slowly degrades so that the operating temperature slowly increases. This may give a hint that this equipment may fail soon.
  • the equipment may be replaced or repaired before such a failure occurs.
  • Such condition based maintenance generally improves the availability of the railway vehicle 1.
  • the temperature distribution on the surface of the equipment may give a hint of a required maintenance of this equipment. Therefore, the temperature of the equipments 10 to 30 is monitored.
  • an identifying tag 40 is provided on the roof 5, preferably at one end of the railway vehicle 1 in the driving direction. In the embodiments two or more identifying tags are provided on the roof. In the embodiment of Figure 1 , an identifying tag 40 is provided at each end of the railway vehicle 1. In an embodiment the identifying tag 40 is an adhesive label. In other embodiments, the identifying tag 40 is painted on the roof 5 of the railway vehicle 1.
  • the identifying tag 40 includes a signs that enable automatic optical identifying of the railway vehicle 1 by an image processing device. In an embodiment, the identifying tag 40 includes information to determine the type of the railway vehicle 1.
  • the identifying tag 40 is used to provide the system for monitoring the equipment of the railway vehicle information about the identity and/or the type of the railway vehicle 1. In other embodiments, this information may be provided to the system via other means, for example via an RFID (Radio Frequency Identification) tag may be attached to the railway vehicle 1, or a radio link.
  • RFID Radio Frequency Identification
  • Figure 2 shows schematically the system 50 for a monitoring equipment of the railway vehicle 1.
  • the system 50 for monitoring the equipment of the railway vehicle 1 comprises a visual camera 52, which acquires images in visual wavelength.
  • the system 50 is stationary with respect to the ground.
  • the visual camera 52 is mounted on a support frame 54, such that it can acquire images of the equipment to be monitored and, in an embodiment, also the indentification tag 40, which are in the embodiments shown in Figures 1 and 2 arranged on the roof 5 of the railway vehicle 1.
  • the visual camera 52 is mounted above the rails 3.
  • the visual camera has an objective 56 having an optical axis X being arranged substantially orthogonal to the roof 5 of the railway vehicle 1 and/or the rails 3.
  • the visual camera 52 is arranged and has a large field of view 57 such that it can acquire with a single image at least the complete width W of the roof 5 of the railway vehicle 1.
  • the field of view 57 is selected, such that when the railway vehicle passes by, images of all equipment 10 to 30 to be monitored have been acquired, without moving the optical axis X of the camera 52.
  • a wide angle objective 56 for example fisheye objective, is used for that purpose.
  • the system 50 comprises further a thermal camera 58, for example an infrared camera, which is also mounted on the support frame 54.
  • the thermal camera 58 acquires thermal images of the roof 5 of the railway vehicle, such that the temperature of the equipment to be monitored on the roof 5 can be identified.
  • the thermal camera can only detect the relative temperature between different portions of the image.
  • the thermal camera 58 is calibrated, for example if a reference temperature is known, also the absolute temperature of the equipment may be identified.
  • the thermal camera 58 has an objective 60, which defines an optical axis Y.
  • the optical axis Y of the thermal camera 58 is substantially parallel to the optical axis X of the visual camera 52.
  • the objective 60 provides a field of view 62, which is substantially the same field of view 57 of the visual camera 52.
  • the thermal camera 58 is arranged and has a large field of view 62 such that it can acquire with a single image at least the complete width W of the roof 5 of the railway vehicle 1.
  • the field of view 62 is selected, such that when the railway vehicle passes by, images of all equipment to be monitored have been acquired, without moving the optical axis Y of the thermal camera 58
  • the cameras 52, 58 comprise a device, for example a mirror system with at least one semitransparent mirror, such that their field of view 57, 62 is identical.
  • the images acquired by the cameras 52, 58 have a fixed, predetermined relationship due to the fixed arrangement of the cameras 52, 58.
  • the position of an object on an image acquired by the visual camera 52 can be determined, and subsequently the position of that object on the thermal image acquired by the thermal camera 58 can be calculated based on the position determined on the image of the visual camera 52.
  • the position on the thermal image is therefore a function of the position on the visual image.
  • the system 50 includes a controller 64 mounted on the support frame 54 and connected to the visual camera 52 and the thermal camera 58, which is adapted to control the visual camera 52 and the thermal camera 58.
  • the control device 64 is adapted to temporally synchronize the acquisition of images of the visual camera 52 and the thermal camera 58.
  • the synchronization is performed by synchronizing the clocks of the visual camera 52 and the thermal camera 58.
  • the controller 64 is adapted to control the shutter speeds of the cameras 52, 58, such that they are adapted to the speed of the railway vehicle 1 passing by under the cameras 52, 58.
  • the controller 64 is adapted to analyze and to process the images provided by the visual camera 52 and the thermal camera 58. For example, in conjunction with images acquired by the visual camera 52, the controller 64 is adapted to identify the railway vehicle 1 and/or the type of the railway vehicle using the identification tag 40. The controller 64 is adapted to recognize the equipments 10 to 30 mounted on the roof 5 of the railway vehicle 1, which is detailed later, and to determine for each equipment the respective temperature or temperature pattern using the thermal image. The temperature or temperature pattern is hereafter also called temperature information.
  • the system 50 further comprises a radio transmitting device 66, for example a modem, like an UMTS (Universal Mobile Telecommunications System) modem, a GPRS (General Packet Radio Service), etc., connected to the controller 64 to enable the controller 64 to provide the thermal information of the equipment 10 to 30 to be monitored of the railway vehicle 1 and/or the acquired images via the internet 70 to a server 72.
  • a radio transmitting device 66 for example a modem, like an UMTS (Universal Mobile Telecommunications System) modem, a GPRS (General Packet Radio Service), etc.
  • the controller 64 is adapted to connect to the server 72 using a fixed telephone network or another fixed network.
  • the server 72 is adapted to store at least partially the information provided by the controller 64 in a data base. Further, the server 72 is adapted, in an embodiment, to perform an interpretation of the acquired temperature information of the equipment of the railway vehicle 1. For example, the server 72 may compare the temperature information of a selected equipment with a reference temperature information and may decide based on the result whether a maintenance has to be performed. In an embodiment, the server 72 triggers an alarm if the temperature of a specific device is over predetermined level.
  • the server 72 is adapted to interpolate thermal information acquired at different times of an equipment to forecast and plan a maintenance date.
  • the server 72 is, in a further embodiment, adapted to calculate statistics based on the thermal information of the monitored equipment. The results of the calculations of the server 72 are presented by the server 72 on a display 74.
  • the images acquired by the cameras 52 to 58 are transmitted by the controller 64 via the internet 70 to the server 72, which then performs be tasks of the image recognition and temperature information determination of the equipment.
  • the system 50 is statically mounted and not moving during operation.
  • the support frame 54 with the cameras 52 and 58 is ranged close to a railway station, so that the speed of the railway vehicle 1 is reduced.
  • the cameras 52, 58 and the controller 64 can be also mounted on another support structure, which is stationary during acquisition of the images, for example a bridge or a tunnel wall.
  • Figure 3 shows a visual image captured by the visual camera 52 of the roof 5 of the railway vehicle 1.
  • the image shows an equipment 80 to be monitored mounted on the roof 5.
  • the equipment 80 may be one of the equipments 10 to 30 listed with respect to Figure 1 .
  • the equipment 80 has a substantially rectangular shape 82.
  • Figure 4 shows the thermal image required at the same time of the roof 5 of the railway vehicle 1.
  • the images of Figures 3 and 4 show substantially the same section of the roof 5 of the railway vehicle 1.
  • Figures 3 and 4 will be further explained in conjunction with the method according to the invention detailed below.
  • Figure 5 shows shematically a flow chart of an embodiment of a method for automatically monitoring equipment of a railway vehicle.
  • step 100 the approach of the railway vehicle is detected.
  • the visual camera 52 is always running and the controller 64 detects when a railway vehicle 1 is entering the field of view 57 of the visual camera 52.
  • the image of the visual camera 52 is static, i.e. showing only the rails 3, until the railway vehicle 1 enters the field of view 57.
  • the controller 64 detects when the railway vehicle enters the field of view 57.
  • the controller 64 determines the speed of the railway vehicle 1 and selects shutter speeds of the visual camera 52 and the thermal camera 58 based on the speed of the railway vehicle 1. For example, if the speed of the railway vehicle 1 is increasing a respective short shutter speed has to be selected to obtain a sufficient sharp image.
  • the system 50 is arranged at a train station, such that the speed of the railway vehicle 1 is relatively low, for example between 10 to 15 km/h.
  • a minimum speed can be fixed, for example 1 km/h.
  • the speed can be higher than 15 km/h.
  • the cameras 52, 58 and the controller 64 are adapted to acquire images at a higher frequency than with lower speeds, for example around 10 km/h.
  • an induction contact arranged in the rails, a capacitor sensor or a distance measuring device may be used for that purpose that are connected to the controller 64 and in particular used to trigger the visual camera 52 and the thermal camera 58..
  • step 102 the thermal camera 58 is activated by the controller 64.
  • the visual camera 52 is activated in step 102. Both cameras 52, 58 remain activated and acquire images until the railway vehicle has passed.
  • the railway vehicle 1 is identified by identifying on the visual images acquired by the visual camera 52 the identifying tag 40 disposed on the roof 5 of the railway vehicle 1.
  • the controller 64 performs an image recognition on the visual images.
  • the approximate position of the identifying tag 40 is known by the controller and identical for each railway vehicle to accelerate the identification procedure.
  • the identifying step 104 may be also performed after step 106.
  • the train may be identified by other devices, for example a radio frequency identification (RFID) tag disposed on the railway vehicle 1.
  • RFID radio frequency identification
  • the controller 64 is connected to a device for emitting radio frequency signals and receiving the response of the radio frequency identification tag.
  • the railway vehicle identification is used to determine the type of the railway vehicle 1 passing by.
  • an image undistortion step is carried out after the acquisition of the images by the visual and the thermal camera 52, 58.
  • the image undistortion should compensate the distortion generated by the objectives 56, 60 and/or enable an assembling of the images to a single picture showing the complete roof 5 of the railway vehicle 1.
  • the undistortion step is alternatively or additionally compensating the different perspectives of the cameras 52, 58, such that the position on the visual image of an object acquired by the visual camera is after the undistortion step corresponds to the position on the thermal image after the undistortion step.
  • the thermal and the visual images can be superimposed after such an undistortion step.
  • Fig. 3 and 4 show schematically an visual image and a thermal image after the undistortion step.
  • step 106 the images of the visual camera 52 and of the thermal camera 58 are respectively assembled together, such that the complete roof 5 of the railway vehicle 1 is provided on a single picture.
  • the visual and thermal images are not distorted, e.g. have been subject to the undistortion step.
  • the controller 64 has generated two pictures, namely a first picture assembled from the visual images required by the visual camera 52, and a second picture assembled by the thermal images acquired by the thermal camera 58. In an embodiment, the first picture and the second picture are subsequently superimposed.
  • the equipment to be monitored disposed on the roof 5 of the railway vehicle 1 is recognized by the controller 64 using an image recognition, for example an object recognition.
  • the equipment is recognized on the acquired visual images, the first picture and/or the superimposed picture by an automatic shape recognition of the respective equipment.
  • the equipment 80 may be identified via its rectangular shape 82.
  • the controller 64 knows exactly the position of the equipment 80 on the roof 5 of the railway vehicle. A similar recognition of the shapes of the respect equipment is performed for the other equipment to be monitored.
  • the controller 64 has a stored a map of the equipments 10 to 30 mounted on the roof of the railway vehicle 1 for each railway vehicle or each type of railway vehicle.
  • the controller 64 loads or consults the respective map.
  • the map is provided by the server 72.
  • the controller 64 knows approximately a section on the roof 5 of the railway vehicle 1, where each equipment to be monitored is disposed. Subsequently, the image recognition as disclosed above is carried out this section. As the section on which the image recognition has to be carried out on the first picture or the visual images is smaller than the complete roof 5 of the railway vehicle, the speed of the image recognition can be improved.
  • step 110 the identified shape 82 of the equipment 80 on the first, visual picture is next transferred to the second, thermal picture, as shown in Figure 4 .
  • the shape 82 of the equipment can be simply mapped on the second, thermal picture. Otherwise, a calculation has to be carried out to determine the shape on the second picture based on the shape 82 on the first picture.
  • the shape has not to be transferred to thermal picture as the thermal and the visual information are both included in a single picture.
  • the temperature information of the equipment 80 is determined.
  • the mean temperature, the maximal temperature, the minimal temperature and/or the temperature pattern of the area enclosed by the shape 82 may be used for this purpose.
  • the system 50 has determined the temperature information of the equipment 80 to be monitored.
  • the temperature information of the equipment 80 and/or the identification of the railway vehicle 1 is sent to the server 72 using the radio transmitting device 66 in step 114.
  • the server 72 determines in step 116 by comparing the temperature information of the equipment 80 with a reference temperature information whether maintenance is required and/or may schedule a maintenance.
  • the reference temperature is fixed by the user or is calculated using the mean of one specified time period. Further, the server 72 may generate an overheating alarm if the maximal temperature of the equipment exceeds a reference temperature. In another embodiment, the server 72 may inform the maintenance personnel only about significant events and may help to solve problems or failure of equipments before it happens.
  • temperature information of the equipment mounted on the roof of a railway vehicle is collected in a non intrusive way.
  • the system according to the invention determines automatically the thermal status of the equipment and thus provides the flexibility of an automatic system.
  • the maintenance activities may be based on the acquired thermal information and/or the statistical results thereof, such that the efficiency and time response in front of eventualities is improved. Further, the acquired thermal information of the equipment is used for analyzing the behavior of the railway vehicle and its components.
  • the automatic monitoring system for roof mounted equipment of a railway vehicle of the invention is based on the visual and thermal vision technologies working in conjunction.
  • the invention provides a solution to a complex problem in the scope of a predictive maintenance process of railway vehicles by automatic identification of the roof mounted equipment and the thermal inspection thereof without interference into the normal timetable on the rail road, and by providing alarms and statistics in a centralized data base containing the required thermal information for railway vehicle inspected by the system.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Biomedical Technology (AREA)
  • General Health & Medical Sciences (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)
  • Train Traffic Observation, Control, And Security (AREA)
EP11305910.9A 2011-07-12 2011-07-12 Procédé et système stationnaire pour surveiller l'équipement d'un véhicule de chemin de fer Active EP2546120B1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
PL11305910T PL2546120T3 (pl) 2011-07-12 2011-07-12 Sposób oraz system stacjonarny do monitorowania urządzenia pojazdu szynowego
ES11305910.9T ES2470145T3 (es) 2011-07-12 2011-07-12 Procedimiento y sistema estacionario para monitorizar equipos de un vehículo ferroviario
EP11305910.9A EP2546120B1 (fr) 2011-07-12 2011-07-12 Procédé et système stationnaire pour surveiller l'équipement d'un véhicule de chemin de fer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP11305910.9A EP2546120B1 (fr) 2011-07-12 2011-07-12 Procédé et système stationnaire pour surveiller l'équipement d'un véhicule de chemin de fer

Publications (2)

Publication Number Publication Date
EP2546120A1 true EP2546120A1 (fr) 2013-01-16
EP2546120B1 EP2546120B1 (fr) 2014-03-05

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EP (1) EP2546120B1 (fr)
ES (1) ES2470145T3 (fr)
PL (1) PL2546120T3 (fr)

Cited By (11)

* Cited by examiner, † Cited by third party
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CN103455898A (zh) * 2013-08-15 2013-12-18 张伯敏 铁路货场信息管理系统
US20160093054A1 (en) * 2014-09-29 2016-03-31 General Electric Company System and method for component detection
WO2017194765A1 (fr) * 2016-05-12 2017-11-16 Alstom Transport Technologies Véhicule à moteur électrique à faible rayonnement électromagnétique
WO2018087343A1 (fr) * 2016-11-10 2018-05-17 Deutsche Bahn Fernverkehr Ag Procédé de commande d'un système de moyens de transport, système de traitement de données
WO2019092248A1 (fr) 2017-11-10 2019-05-16 Db Fernverkehr Ag Procédé et système d'analyse de données brutes enregistrées avec un système d'inspection pour l'inspection optique d'un véhicule
WO2019092246A1 (fr) 2017-11-10 2019-05-16 Db Fernverkehr Ag Procédé de contrôle et système de contrôle d'un véhicule en état de fonctionnement
WO2019092247A1 (fr) * 2017-11-10 2019-05-16 Db Fernverkehr Ag Module et système d'inspection pour inspecter des objets roulants
CN109895805A (zh) * 2019-03-06 2019-06-18 中铁第四勘察设计院集团有限公司 一种轨道交通车辆车底巡检系统及方法
CN110243615A (zh) * 2019-06-21 2019-09-17 中国神华能源股份有限公司 车辆全方位图像监控系统及车辆监控系统
RU2702965C1 (ru) * 2019-08-07 2019-10-14 Общество с ограниченной ответственностью "Новотранс Актив" Система и способ идентификации железнодорожных номерных деталей по изображению их поверхностей с клеймами и знаками маркировки
CN116519705A (zh) * 2023-06-26 2023-08-01 中数智科(杭州)科技有限公司 一种列车车厢360巡检系统

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JP2004312832A (ja) 2003-04-04 2004-11-04 Hitachi Industries Co Ltd 鉄道車両用屋根上機器監視測定装置
EP1600351A1 (fr) * 2004-04-01 2005-11-30 Heuristics GmbH Méthode et système pour la détection des défauts et des conditions périlleuses des véhicules ferroviaires passents
WO2010086045A2 (fr) 2009-01-28 2010-08-05 Siemens Aktiengesellschaft Système de surveillance et procédé pour surveiller l'état des dispositifs de contact par glissement de locomotives électriques
WO2011035983A1 (fr) * 2009-09-28 2011-03-31 Siemens Aktiengesellschaft Procédé et système de contrôle de pantographes, de gabarits d'isolement et de la position horizontale et verticale du fil de contact au niveau des convois ferroviaires
CN101762327A (zh) 2010-01-14 2010-06-30 广州科易光电技术有限公司 电气化铁路接触网红外温度监测方法及系统

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CN103455898B (zh) * 2013-08-15 2016-01-27 张伯敏 铁路货场信息管理系统
US20160093054A1 (en) * 2014-09-29 2016-03-31 General Electric Company System and method for component detection
US9536311B2 (en) 2014-09-29 2017-01-03 General Electric Company System and method for component detection
WO2017194765A1 (fr) * 2016-05-12 2017-11-16 Alstom Transport Technologies Véhicule à moteur électrique à faible rayonnement électromagnétique
FR3051300A1 (fr) * 2016-05-12 2017-11-17 Alstom Transp Tech Vehicule ferroviaire a freinage electrodynamique
WO2018087343A1 (fr) * 2016-11-10 2018-05-17 Deutsche Bahn Fernverkehr Ag Procédé de commande d'un système de moyens de transport, système de traitement de données
WO2018087341A1 (fr) * 2016-11-10 2018-05-17 Deutsche Bahn Fernverkehr Ag Procédé d'inspection, système de traitement de données et système d'inspection servant à inspecter un véhicule à l'état de fonctionnement
WO2018087337A1 (fr) * 2016-11-10 2018-05-17 Deutsche Bahn Fernverkehr Ag Module et système d'inspection pour inspecter des objets se déplaçant
WO2018087338A3 (fr) * 2016-11-10 2018-08-09 Deutsche Bahn Fernverkehr Ag Procédé de contrôle et système de contrôle d'un véhicule en état de fonctionnement
WO2019092248A1 (fr) 2017-11-10 2019-05-16 Db Fernverkehr Ag Procédé et système d'analyse de données brutes enregistrées avec un système d'inspection pour l'inspection optique d'un véhicule
WO2019092246A1 (fr) 2017-11-10 2019-05-16 Db Fernverkehr Ag Procédé de contrôle et système de contrôle d'un véhicule en état de fonctionnement
WO2019092247A1 (fr) * 2017-11-10 2019-05-16 Db Fernverkehr Ag Module et système d'inspection pour inspecter des objets roulants
CN109895805A (zh) * 2019-03-06 2019-06-18 中铁第四勘察设计院集团有限公司 一种轨道交通车辆车底巡检系统及方法
CN110243615A (zh) * 2019-06-21 2019-09-17 中国神华能源股份有限公司 车辆全方位图像监控系统及车辆监控系统
RU2702965C1 (ru) * 2019-08-07 2019-10-14 Общество с ограниченной ответственностью "Новотранс Актив" Система и способ идентификации железнодорожных номерных деталей по изображению их поверхностей с клеймами и знаками маркировки
CN116519705A (zh) * 2023-06-26 2023-08-01 中数智科(杭州)科技有限公司 一种列车车厢360巡检系统
CN116519705B (zh) * 2023-06-26 2023-10-13 中数智科(杭州)科技有限公司 一种列车车厢360巡检系统

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