EP3473794A1 - Diagnoseverfahren und -system der funktion einer automatischen oder halbautomatischen zugangsvorrichtung zu einem transportfahrzeug - Google Patents

Diagnoseverfahren und -system der funktion einer automatischen oder halbautomatischen zugangsvorrichtung zu einem transportfahrzeug Download PDF

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Publication number
EP3473794A1
EP3473794A1 EP18200891.2A EP18200891A EP3473794A1 EP 3473794 A1 EP3473794 A1 EP 3473794A1 EP 18200891 A EP18200891 A EP 18200891A EP 3473794 A1 EP3473794 A1 EP 3473794A1
Authority
EP
European Patent Office
Prior art keywords
automatic
degradation
information
cycle
kinematic chain
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.)
Pending
Application number
EP18200891.2A
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English (en)
French (fr)
Inventor
Quentin Thevenet
Benjamin Lamoureux
Frédéric Setan
Laurent Vagner
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Alstom Holdings SA
Original Assignee
Alstom Transport Technologies SAS
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 Technologies SAS filed Critical Alstom Transport Technologies SAS
Publication of EP3473794A1 publication Critical patent/EP3473794A1/de
Pending legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05F15/00—Power-operated mechanisms for wings
    • E05F15/40—Safety devices, e.g. detection of obstructions or end positions
    • E05F15/41—Detection by monitoring transmitted force or torque; Safety couplings with activation dependent upon torque or force, e.g. slip couplings
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61D—BODY DETAILS OR KINDS OF RAILWAY VEHICLES
    • B61D19/00—Door arrangements specially adapted for rail vehicles
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
    • E01B15/00—Guards for preventing a person's foot being trapped in grooved rails
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05F15/00—Power-operated mechanisms for wings
    • E05F15/60—Power-operated mechanisms for wings using electrical actuators
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05F15/00—Power-operated mechanisms for wings
    • E05F15/70—Power-operated mechanisms for wings with automatic actuation
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • E05Y2400/00—Electronic control; Electrical power; Power supply; Power or signal transmission; User interfaces
    • E05Y2400/10—Electronic control
    • E05Y2400/30—Electronic control of motors
    • E05Y2400/31—Force or torque control
    • E05Y2400/315—Curve setting or adjusting
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • E05Y2400/00—Electronic control; Electrical power; Power supply; Power or signal transmission; User interfaces
    • E05Y2400/10—Electronic control
    • E05Y2400/32—Position control, detection or monitoring
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • E05Y2400/00—Electronic control; Electrical power; Power supply; Power or signal transmission; User interfaces
    • E05Y2400/10—Electronic control
    • E05Y2400/36—Speed control, detection or monitoring
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • E05Y2400/00—Electronic control; Electrical power; Power supply; Power or signal transmission; User interfaces
    • E05Y2400/10—Electronic control
    • E05Y2400/50—Fault detection
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • E05Y2900/00—Application of doors, windows, wings or fittings thereof
    • E05Y2900/50—Application of doors, windows, wings or fittings thereof for vehicles
    • E05Y2900/506—Application of doors, windows, wings or fittings thereof for vehicles for buses
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • E05Y2900/00—Application of doors, windows, wings or fittings thereof
    • E05Y2900/50—Application of doors, windows, wings or fittings thereof for vehicles
    • E05Y2900/51—Application of doors, windows, wings or fittings thereof for vehicles for railway cars or mass transit vehicles

Definitions

  • the present invention relates to a method for diagnosing the operation of an automatic or semi-automatic device for access to a transport vehicle, a system for diagnosing the operation of such an automatic or semi-automatic device and a transport vehicle equipped with it. such a system.
  • the invention lies in the field of maintenance of transport vehicles, in particular railway vehicles.
  • the health status assessment of a system includes the detection of degradations likely to cause failures and the characterization of each degradation: the identification of the component (s) at the origin of the degradation observed , the identification of the type of degradation and the estimation of the severity of the degradation.
  • the automatic or semi-automatic vehicle access devices concerned comprise, in particular, the doors or gap-gaps, also known as anti-fall devices, of the type comprising at least one opening adapted to be actuated by a kinematic chain. comprising at least one electrically powered motor having, possibly, an angular position encoder and / or associated speed of rotation.
  • the object of the invention is to provide detection of impairments and diagnosis of operation of an automatic or semi-automatic device for access to a transport vehicle in this context.
  • the subject of the invention is a method for diagnosing the operation of an automatic or semi-automatic device for accessing a transport vehicle comprising at least one opening adapted to be actuated by a kinematic chain comprising at least one motor powered electrically and having an associated angular position encoder and / or speed of rotation and, preferably, at least one switch, the access device being movable between an open position and a closed position.
  • the method of the invention makes it possible to characterize each actuation cycle of the kinematic chain into several functional segments, and consequently to characterize its operation finely.
  • the method according to the invention may have one or more of the following characteristics, taken independently or in all their technically acceptable combinations.
  • the division into functional segments also uses engine acceleration / deceleration information obtained from information provided by said encoder.
  • Each functional segment has an associated time interval, and the descriptors are representative of the electrical energy consumed during said time interval and / or a duration of the functional segment.
  • the method includes determining motor acceleration / deceleration information from the position and / or speed information provided by said encoder, and said descriptor values include values representative of speed or acceleration / deceleration. motor average during the time interval associated with each segment.
  • the method comprises, before establishment of a diagnosis, a calculation of an overall health indicator as a function of a distance between a vector comprising all of the calculated descriptor values and a vector of reference values of corresponding previously stored descriptors.
  • said distance is a statistical distance or a Euclidean distance.
  • the establishment of an operational diagnosis comprises a comparison of the calculated distance with a predetermined operating threshold.
  • the similarity measure is a cosine similarity measure.
  • the method further includes a detected degradation severity value estimate, based on the signature vector and the reference signature vector associated with the identified degradation type.
  • An alarm is raised if a detected degradation severity value exceeds a predetermined severity threshold.
  • the method comprises, prior to division into functional segments, an acquisition of context information, and the calculation of at least one value of functional segment descriptor is performed based on at least one context information.
  • the invention also relates to a transport vehicle comprising a plurality of automatic or semi-automatic access devices, each automatic or semi-automatic access device comprising at least one opening adapted to be actuated by a kinematic chain having minus a powered engine electrically and having an associated angular position encoder and / or speed of rotation, and being equipped with a diagnostic system operating the automatic or semi-automatic access device as briefly described above.
  • the invention will be described hereinafter in its application to the diagnosis of operation of automatic or semi-automatic doors of a railway transport vehicle.
  • the invention is not limited to this application, and applies analogously for the diagnostic operation of another automatic or semi-automatic device for access to a transport vehicle, for example a gap-gap, which is intended to fill a horizontal gap between the vehicle and the loading / unloading platform (eg a train or subway platform).
  • a gap-gap which is intended to fill a horizontal gap between the vehicle and the loading / unloading platform (eg a train or subway platform).
  • the figure 1 schematically illustrates a rail vehicle portion 2, relating to an automatic door 4.
  • a rail vehicle portion 2 relating to an automatic door 4.
  • it is a semi-automatic door, for example whose opening is actuated by a manual action (eg pressing a push button , actuating an emergency opening module or actuating an opening module for maintenance).
  • door will encompass both fully automatic and semi-automatic doors.
  • a railway vehicle generally comprises several attached cars, and at least as many doors 4 as cars.
  • the railway vehicle 2 is for example a train, tram or metro, more generally called rolling stock.
  • the doors are automatic or semi-automatic passenger access doors.
  • the invention is not limited to this embodiment.
  • the door 4 comprises a frame 6, that is to say a frame, which is a fixed structure or integrated into the body of the railway vehicle and an opening 8.
  • the opening 8 is formed by two leaves adapted to slide in opposite directions to achieve a central closure.
  • the opening 8 is formed by two leaves adapted to slide in opposite directions to achieve a central closure.
  • other embodiments are possible, for example a single leaf adapted to slide to achieve the open and closed positions.
  • the opening 8 is actuated by a kinematic chain 10 comprising in particular a motor 12 whose rotation (illustrated by an arrow on the figure 1 ) causes the opening 8 to move and the opening (respectively closing) of the door 4.
  • the motor 12 comprises a drive unit 14, electrically powered by a source of electricity not shown.
  • a source of electricity not shown for example, when the vehicle 2 is an electric vehicle, the drive unit is an auxiliary load powered by the same source as the main motor (not shown) of the electric vehicle. This source is for example an electrified track.
  • the electric current intensity I and / or the supply voltage V of the power supply unit 14 are controlled by a control unit 20 described hereinafter.
  • the motor 12 also comprises or is associated with an angular position and / or speed encoder 16, which is a known type of sensor which makes it possible to acquire angular position or rotational speed information from the engine.
  • This information is transmitted in the form of an encoder signal SC to the control unit 20.
  • the control unit 20 is a unit comprising at least one processor 22, adapted to perform calculations by executing program code instructions. This is for example a programmable electronic card. It also comprises input / output units 24, 26.
  • the drive train 10 also comprises at least one switch 18, for example indicating a closed door position and / or a locked door position, and the control unit 20 receives information about the open / close state. of each switch 18.
  • control unit 20 receives other information 32 relating to unrepresented elements of the door 4, such as for example pressing a push button, an activation of an emergency opening module or condemnation.
  • control unit 20 receives information 34 relating to the vehicle 2, for example centralized orders of openings / closures, speed information of the train or authorization openings.
  • control unit 20 receives context information 36, provided by an external system 35.
  • the context information is made up of any information to indicate the state of the train and its environment during the flight.
  • activation of the diagnostic system for example meteorological data, such as, for example, the outside temperature, the location data, the data internal to the train, coming for example from the global control system of the railway vehicle 2.
  • the context information 36 is stored. Their use in one embodiment will be described below.
  • control unit 20 is adapted to receive an opening control signal of the door 4, as well as a control signal for closing the door 4. Following such control signals opening or closing of the door, the control unit 20 is adapted to control the motor 12.
  • An actuation cycle of the kinematic chain 10 is then made between a first position among the open and closed positions and a second position, different from the first position, among the closing and opening positions of said door.
  • Such an operating cycle is characterized by a duration, and an electrical energy actuating the kinematic chain, consumed during the duration of this cycle.
  • various elements of the kinematic chain 10 for example the switches 18, change state during the duration of such a cycle.
  • a system 40 for diagnosing the operation of the door 4 comprises a computing unit 42 comprising at least one processor, adapted to execute code instructions implementing an operation diagnostic method as described in detail below.
  • the operating diagnostic system 40 is implemented in the control unit 20.
  • control unit 20 In a variant, it is implemented by an electronic computer separate from the control unit 20, which can be onboard by the vehicle or remote.
  • the operating diagnostic system 40 also includes a storage unit 44, adapted to store data.
  • the unit 44 stores in particular reference values of descriptors 46 as explained in more detail below.
  • the operating diagnostic system 40 receives as input information relating to the driveline 10, as well as information 32, 34 relating to the vehicle 2, and external commands.
  • This information comprises at least one characteristic measurement of the electrical energy consumed by the motor 12, for example a measurement of current or voltage, and information provided by the encoder 16.
  • the operational diagnostic system 40 provides a diagnosis 48, comprising, in the event of detection of degradation (s), an operating ratio and a characterization of the detected degradations.
  • the diagnosis is for example displayed on a screen (not shown) for a possible action of a maintenance operator, or transmitted to an unrepresented supervision system that performs actions accordingly.
  • this screen is preferably remote, for example located in a ground treatment center.
  • the diagnosis 48 causes an alarm, for example visual or audible, to warn a maintenance operator of the need to intervene to prevent a failure in service.
  • FIG. figure 2 The main steps of an embodiment of the method for diagnosing the operation of an automatic or semi-automatic device for access to a transport vehicle, implemented by the diagnostic system 40 are illustrated in FIG. figure 2 .
  • the method is applied to an automatic or semi-automatic door in the embodiment described in detail.
  • operating information of the kinematic chain of the automatic or semi-automatic gate in question is acquired by various means, for example by sensors or by parallel acquisitions of the existing signals.
  • the acquisition of information relating to the operation of the driveline is performed on board the rolling stock (onboard mode).
  • the acquired operating information is stored and all the processing steps described below are carried out on board.
  • the acquired operating information is temporarily stored on board in an on-board storage unit, then transmitted, for example at regular time intervals, for storage in a remote storage unit and processing by a remote system 40, for example in a ground treatment center.
  • the steps 54 to 60 described in detail below are in this case performed by the system 40 in a ground processing center, from the operating information received by a communication means.
  • the acquisition 52 consists in acquiring several types of information.
  • At least one signal is obtained representing the amount of electrical energy consumed during the cycle, for example a current signal and / or a voltage signal consumed during the cycle.
  • the signal SC of angular position encoder and / or speed of rotation is also obtained during this acquisition step 52.
  • This signal provides change information in the movement, for example accelerations or decelerations, or changes in engine speed.
  • the angular position encoder SC signal and / or rotational speed can be used to calculate positions of the opening of the door during the cycle.
  • binary information relating to the opening and / or closing and / or locking positions of switches 18 are also received at acquisition step 52.
  • the acquisition step 52 is followed by a step 54 of cutting the cycle into a plurality of functional segments, according to the information acquired in the acquisition step 52.
  • a cycle of actuation of the kinematic chain between a first position, for example the closed position of the door and a second position, for example the open position starts at a first instant T init of reception of a control signal for opening or opening a given switch of the drive train or for detecting a movement of the motor or the encoder, and ends at a second final instant T, for example given by the reception of a blocking information of the door or by the detection of an end of movement of the motor.
  • Cutting 54 consists in cutting the cycle comprised between [T init , final T] into a plurality of functional segments "Segment 1", “Segment 2", ...., "Segment N” as schematically illustrated in FIG. figure 3 .
  • Each segment "Segment n" is defined by an initial instant T n-1 and a final instant T n .
  • the functional segments have variable durations, each functional segment corresponding to an operating phase of the operating cycle of the door.
  • the segments correspond, for example, to successive phases, acceleration of the door, movement of the door at a predetermined speed globally constant and deceleration of the door.
  • the clipping is performed using information extracted from the position / velocity encoder signal SC, for example based on changes in engine speed or at specific positions.
  • the clipping is performed using the received binary information which indicates various positions of the gate, combined with the information extracted from the position encoder / speed signal SC, for example based on changes in engine speed or on specific positions.
  • the signals representative of the amount of electrical energy consumed during the cycle are also used for this division, for example using principles of pattern recognition.
  • the detection of an upward or downward initial ramp on the motor current can be used to detect an opening or closing of the gate while a stabilized current phase for a given time can be used to indicate the end of an opening or closing cycle.
  • a peak current can determine its acceleration / deceleration, for example when approaching a mechanical stop opening or approaching a locking phase.
  • the step 54 of cutting the cycle into functional segments is followed by a step 56 of calculating values of one or more descriptors per functional segment.
  • the calculated descriptor values are representative of the electrical energy consumed by the drive train during each functional segment of the operating cycle and / or the duration of each functional segment and / or the positions of the gate.
  • the step 56 of calculating descriptors by segment is followed by a step 58 of calculating one or more health indicators (in English, "health indicators") of the door, including the two types of health indicators described. below.
  • an overall health indicator is calculated by forming a global vector comprising at least a portion of the descriptor values, followed by calculating a distance, between the global vector and a corresponding reference vector, wherein each descriptor takes a previously stored reference value, for example a value in a so-called healthy state.
  • the calculated distance is a statistical distance, for example the Mahalanobis distance.
  • the calculated distance is a Euclidean distance.
  • Step 58 is followed by a step 60 of establishing a diagnosis of operation.
  • This step comprises in particular the detection of degradation, and in the case of degradation detection, the characterization of the degradation, in particular the identification of the type of degradation.
  • the characterization of the degradation comprises, in one embodiment, the localization of the degradation, for example the determination of the element or elements of the kinematic chain having a degraded operation, and the estimation of the severity of the degradation.
  • the overall health indicator, calculated in step 58 is compared with predetermined performance thresholds. These operating thresholds are determined by a statistical approach based on the requirements in terms of false alarm rate and good detection rate. Degradation is detected when the value of the health indicator exceeds a predetermined threshold of operation.
  • An operating report is for example established periodically (step 62) and, in case of detection of significant degradation, an alarm is for example issued in step 62.
  • a significant degradation is for example a detected degradation whose estimated severity exceeds a predetermined threshold of severity.
  • the method makes it possible to detect degradations before a failure occurs.
  • the plurality of functional segments and the plurality of health indicators used it is also possible to identify the type of degradation and to identify the part of the degraded kinematic chain, or the unsatisfied adjustment or the consumable degraded / absent.
  • a signature vector is established, including at least a portion of the individual health indicators calculated at step 58.
  • the portion of the health indicators to be considered for a type of degradation considered is predetermined.
  • a measure of similarity between the signature vector and each of the reference signature vectors is calculated.
  • the said reference signature vectors consist of the individual health indicators calculated at step 58 for each stored degradation, for example during a test phase or during a degradation observation, as explained below.
  • the identification and location of the degradation then consists in determining which of said reference signature vectors has the greatest similarity with the calculated signature vector.
  • the similarity measure performed is a cosine similarity measure.
  • the severity of the degradation is defined as the level of degradation achieved between the healthy state and the maximum allowable degradation state.
  • the severity of the degradation is defined as a number commonly between the null value and the value 1. The more the value of said severity is close to zero, the weaker or even the non-existent degradation. The higher the value, the more severe the degradation.
  • the severity is calculated as the standard of the projection of the signature vector calculated on the reference signature vector for the identified degradation.
  • the method then makes it possible to identify, locate and determine the severity of one or more degradations on the door and makes it possible to carry out maintenance more precisely.
  • the method makes it possible, by tracking the history of the stored severity values, to determine the probability of failure for a given horizon.
  • the maintenance is then performed in time and avoids a failure of the door.
  • the method can also be used in an upstream test phase, in particular on a dedicated test bench, before installation, in particular for the calculation of the reference characteristic values in nominal operation or in degraded operation.
  • the system also uses the context information 36, which is for example stored in the storage unit 44.
  • Context can affect measurement, creating disruptions.
  • the sensitivity of the indicators to the context can optionally be tested on a dedicated test bench.
  • the context is subsequently called the vector constituted by the set of values of the context information in a situation described.
  • the values of the calculated descriptors are recalibrated with respect to the context, for example by a regression method.
  • an instance of the diagnostic system is executed for each context class.
  • a said context class is defined as a predefined set of context values. For example, the diagnosis of a door can be made from measurements made at a regular interval on a defined location during the journey of the railway vehicle.
  • the influence of the context is reduced and the number of false alarms, wrongly indicating a deterioration alarm, is thus reduced.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Power-Operated Mechanisms For Wings (AREA)
  • Train Traffic Observation, Control, And Security (AREA)
  • Testing And Monitoring For Control Systems (AREA)
  • Vehicle Cleaning, Maintenance, Repair, Refitting, And Outriggers (AREA)
EP18200891.2A 2017-10-18 2018-10-17 Diagnoseverfahren und -system der funktion einer automatischen oder halbautomatischen zugangsvorrichtung zu einem transportfahrzeug Pending EP3473794A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1759767A FR3072408B1 (fr) 2017-10-18 2017-10-18 Procede et systeme de diagnostic de fonctionnement d'un dispositif automatique ou semi-automatique d'acces a un vehicule de transport

Publications (1)

Publication Number Publication Date
EP3473794A1 true EP3473794A1 (de) 2019-04-24

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EP18200891.2A Pending EP3473794A1 (de) 2017-10-18 2018-10-17 Diagnoseverfahren und -system der funktion einer automatischen oder halbautomatischen zugangsvorrichtung zu einem transportfahrzeug

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US (1) US10907394B2 (de)
EP (1) EP3473794A1 (de)
BR (1) BR102018071259A2 (de)
FR (1) FR3072408B1 (de)
ZA (1) ZA201806916B (de)

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EP3038048A1 (de) * 2014-12-23 2016-06-29 Palo Alto Research Center, Incorporated System und verfahren zur bestimmung von fahrzeugkomponentenbedingungen

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3792138A1 (de) * 2019-09-13 2021-03-17 Knorr-Bremse Gesellschaft mit beschränkter Haftung Verfahren und vorrichtung zum bereitstellen einer instandhaltungsinformation über ein türsystem für ein fahrzeug und türsystem für ein fahrzeug
WO2021048255A1 (de) * 2019-09-13 2021-03-18 Knorr-Bremse Gesellschaft Mit Beschränkter Haftung Verfahren und vorrichtung zum bereitstellen einer instandhaltungsinformation über ein türsystem für ein fahrzeug und türsystem für ein fahrzeug

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US10907394B2 (en) 2021-02-02
US20190112857A1 (en) 2019-04-18
FR3072408A1 (fr) 2019-04-19
BR102018071259A2 (pt) 2019-09-17
ZA201806916B (en) 2020-11-25

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