(51) Int Cl.: B61K 9/12 ( )

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1 (19) (11) EP B1 (12) EUROPEAN PATENT SPECIFICATION (4) Date of publication and mention of the grant of the patent: Bulletin 11/1 (21) Application number: (22) Date of filing: (1) Int Cl.: B61K 9/12 (06.01) (86) International application number: PCT/US07/ (87) International publication number: WO 07/11797 ( Gazette 07/42) (4) RAIL WHEEL SERVICING MANAGEMENT INSTANDHALTUNGSVERWALTUNG VON SCHIENENRÄDERN GESTION D INTERVENTION SUR DES ROUES DE MATÉRIEL ROULANT SUR VOIE FERRÉE (84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC MT NL PL PT RO SE SI SK TR () Priority: US (43) Date of publication of application: Bulletin 08/1 (73) Proprietor: GENERAL ELECTRIC COMPANY Schenectady, NY 1234 (US) (72) Inventors: MOFFETT, Jeffrey, Paul Wattsburg, PA (US) MONEYMAKER, Larry Erie, PA 1606 (US) (74) Representative: Illingworth-Law, William Illingworth Global Patent Operation - Europe GE International Inc. 1 John Adam Street London WC2N 6LU (GB) (6) References cited: EP-A DE-A US-A EP B1 Note: Within nine months of the publication of the mention of the grant of the European patent in the European Patent Bulletin, any person may give notice to the European Patent Office of opposition to that patent, in accordance with the Implementing Regulations. Notice of opposition shall not be deemed to have been filed until the opposition fee has been paid. (Art. 99(1) European Patent Convention). Printed by Jouve, 7001 PARIS (FR)

2 1 EP B1 2 Description FIELD OF THE INVENTION [0001] This invention relates generally to the field of rail transportation and, more particularly, to managing servicing of rail vehicle wheels. BACKGROUND OF THE INVENTION [0002] A typical train includes one or more locomotives pulling a plurality of load cars. Each vehicle in the train includes a plurality of steel wheels that roll along the metal rail as the train is propelled along the track. Proper interaction between the wheel and the rail is critical for safe, reliable, efficient operation of the train. [0003] A rail includes a bottom mounting flange, a top railhead that makes contact with the rail vehicle wheel, and a flange interconnecting the flange and the railhead. A rail vehicle wheel includes a center hub mounted onto the vehicle axle, a plate extending outwardly from the hub, and an outer rim surrounding the plate for making contact with the rail. A rail vehicle wheel set includes two wheels connected by their respective hubs to opposite ends of an axle. The rim includes an outside diameter tread that may be flat or tapered and a flange extending outwardly from a back side of the tread. The tread rides along a top surface of the railhead for supporting the vertical weight of the vehicle. The flange extends along and makes contact with a side of the railhead for providing lateral support to allow the wheel to follow along the path of the railhead. Flanges are provided on only one side of each wheel along an inside of the rail. [0004] Rail vehicle wheels suffer wear over time due to their contact with the rail. The treads wear as a result of their contact with the top of the rail, particularly in the event of the wheel slipping with respect to the rail during acceleration or braking events. The wheel flanges will wear due to their contact with the inside surface of the railhead, particularly on curves and through switches. Consequently, rail wheel wear must be monitored to ensure that dimensions of the wheel subject to wear are sufficient for continued safe use. [000] Rail wheel dimensions, such as rim thickness, flange thickness, flange height, and a rim diameter of a train wheel, are subject to Federal Railway Administration (FRA) and/or railroad dimension limits. Such dimension limits may be based on wheel set membership in a truck and/or in a rail vehicle, and whether or not an axle of the wheel set has been shimmed. When a wheel dimension wears to a value beyond a dimension limit, the wheel must be machined to an acceptable dimension and/or axle shims installed to bring the wheel back into compliance with the dimension requirements. If there is not enough material left on wheel to support further machining, or shims cannot be used to extend the life of a wheel set, the wheel set must be condemned. In addition, wheel dimensions must be checked with respect to dimensions of other wheels of the same truck and other wheels of other trucks of the rail vehicle to insure that dimension differences among the wheels do not exceed predetermined difference limits. For example FRA wheel truing rules may require that there be no more than a 0.7 inch (12,0 mm) difference among rim diameters for wheels of a truck and no more than a 1.2 inch (31,7 mm) difference among rim diameters for all the wheels of a locomotive. Furthermore, the presence of shims may change wheel dimension limit and wheel dimension difference limit requirements. Known arrangements for providing control of railway wheel sets are shown in EP and DE BRIEF DESCRIPTION OF THE DRAWINGS [0006] FIG. 1 shows a schematic diagram for an example system for automatically providing rail wheel truing recommendations based on rail wheel measurements and truing rules. FIG. 2 shows an example graphical user interface (GUI) for providing rail wheel truing recommendations based on rail wheel measurements and truing rules. DETAILED DESCRIPTION OF THE INVENTION [0007] The invention foresees a system for providing rail wheel truing recommendations according to claim 1 and a corresponding method according to claim 6. [0008] Typically, rail wheel servicing decisions are made by a maintenance personnel based on measured wheel dimensions recognized by the maintenance personnel as being out of specification. Based on the measured wheel dimensions and knowledge of wheel truing rules, the maintenance personnel then manually calculate wheel truing recommendations based on proposed truing activities and the resulting effective on allowable differences between the trued wheels and other wheels of the truck and/or locomotive. However, such manually derived truing recommendations tend to be error prone due to incorrect calculation or misinterpretation or misapplication of truing rules. Consequently, over-machining and/or too early condemnation of wheels may result, allowing useable wheel wear life to be sacrificed. An improved rail wheel service management method receives rail wheel measurement information and automatically applies rail wheel truing rules uses rail wheel measurement to provide maintenance personnel with a more accurate and consistent recommendations for truing wheels of a rail vehicle. [0009] According to the invention, the method for automatically providing rail wheel truing recommendations includes receiving measured rail wheel dimensions for wheels of a rail vehicle. For example, measured rail wheel 2

3 3 EP B dimensions may be provided by rail vehicle wheel maintenance personnel performing rail wheel measurements using a manual or electronic wheel gauge. The method may also include receiving wheel defect information based on wheel defects observed by the maintenance personnel. Defect information may include a type of defect, such as a flat and/or shell, and a dimension of the defect, such as depth of the defect. After receiving measurement information and/or defect information, the method may include automatically identifying ones of the wheels exceeding predetermined dimension limits for the wheels, for example, based on predetermined dimension limits, such as FRA designated limits. The method may then include automatically providing wheel truing recommendations for servicing the wheels of the rail vehicle to bring the identified ones of the wheels within the predetermined dimension limits. The method may further include providing truing recommendations for other wheels not being identified as exceeding dimension limits to maintain the wheels of the rail vehicle within predetermined dimension difference limits among the wheels. FRA rules for truing may be different depending on whether an axle of the wheel has been shimmed. Accordingly, a truing recommendation for a wheel may be suggested based on whether or not a shim is associated with the wheel being considered for truing. [00] Wheel truing recommendations may include machining of an identified wheel to bring the wheel into compliance with a dimension limits. In another aspect, a truing recommendation may include shimming an axle of the identified wheel, for example, if the wheel cannot be brought into compliance by machining. In another embodiment, a truing recommendation may be made based on historical truing activities, such as statistical average losses for wheels being trued. Such losses may be determined based on differences between an amount of machining that was needed to true certain wheels, and how much machining was actually performed on those wheels above what was needed. The method may further include automatically recognizing when a wheel cannot be trued without exceeding a dimension limit. For example, the method may include automatically recognizing when a wheel truing recommendation for a first dimension, such as a flange height, would exceed a limit for a second dimension of the wheel, such as a rim diameter. Such a situation may result in a combo drop recommendation, unless the trued wheel could still be used by adding shims. [0011] As shown in FIG. 1, a system for providing rail wheel truing recommendations based on rail wheel measurements may include a processor 12 receiving measured rail wheel dimension information 14 for respective wheels of a rail vehicle. In an aspect of the invention, measured rail wheel dimension information 14 may be provided in the form of measured values of wheel dimensions being input by maintenance personnel performing wheel measurements, or by downloading measurement information from an electronic measuring device, such as an electronic wheel gauge. The dimension information may be provided via an input device 11, such as a mouse or a keyboard for manual input, or a wired, wireless, or infrared signal interface for uploading information to the processor 12. The processor 12 may be in communication with a memory 16 storing a rule base 18 comprising rules for performing rail wheel truing. For example, the rule base 18 may include FRA and/or railroad specific predetermined dimension limits for rail wheels, such as predetermined dimensions limits for wheel rim thickness, wheel flange thickness, wheel flange height, and a wheel rim diameter. The rule base 18 may also include predetermined wheel dimension difference limits among wheels of a rail vehicle truck, and difference limits among wheels of a truck or trucks of a rail vehicle, such as a truck of trucks of a locomotive or rail car. [0012] The processor 12 may include logic executable by the processor 12 for accessing the rule base 18 stored in memory 16 and for identifying wheels requiring truing according to truing rules maintained in the rule base 18. For example, the logic may be configure for comparing a measured wheel dimension corresponding to a wheel dimension limit maintained in the rule base 18 to determine if the measurement is within the limit. The logic may be further configured for making wheel truing recommendations according to the rules in the rule base 18, such as making a machining recommendation to bring a wheel within a corresponding dimension limit. In another aspect, the logic may be configured for making a shim recommendation, for example, if a rail wheel rim diameter cannot be brought back within a wheel diameter dimension limit by machining. In yet another aspect, the logic may be configured for making wheel truing recommendations to maintain the wheels of the rail vehicle within predetermined dimension difference limits among the wheels. For example, based on proposed truing recommendation for wheels of a rail vehicle exceeding dimensions limits, the logic may be configured to examine other wheels of the rail vehicle having dimensions within applicable limits to determine whether differences among the wheels as a result of the proposed truing may exceed dimension difference limits. If excessive dimension different limits are identified, then the logic may be configured for making truing recommendation for the other wheels to ensure that the dimension differences among the wheels are within applicable limits. In yet another aspect, the logic may be configured for making truing recommendations based on historical information 22 provided to the processor 12, such as past truing practices of a certain wheel truing facility. Wheel truing recommendations may be provided to a user via display 24. [0013] FIG. 2 shows an example interactive graphical user interface (GUI) 26 for providing rail wheel truing recommendations based on rail wheel measurements and truing rules. The GUI 26 may include a wheel condition window 28 for displaying measured wheel dimensions and/or observed wheel defects for wheels of a rail vehicle, 3

4 EP B such as a locomotive or rail car. Measured wheel dimensions and observed wheel defects may be provided by a user inputting the information directly by using interactive elements of the GUI 26, or may be uploaded to the GUI 26 from another source, as an electronic wheel gauge. [0014] In an aspect of the invention, the GUI 26 may be configured for identifying ones of the wheels being measure exceeding predetermined dimension limits for the wheels, such as FRA dimension limits. Accordingly, the GUI 26 may highlight the identified ones of the wheels, such as by using a different background color, to indicate which measured wheel may require truing. The wheel condition window 28 may also include a shim indication section 36 to indicate presence of shims for shimmed axles associated with the wheels. In an aspect of the invention, indicia indicative of axles having shims may be highlighted, to emphasize presence of shims. The wheel condition window 28 may also include a verified reference groove section 38 that may include highlighting of certain rim reference groove diameters that may, for example, be less commonly used. The wheel condition window 28 may further include a visible defect section for inputting visible wheel defects and, optionally, type of defect. The wheel condition window 28 may further include a visible defect depth section 42 for inputting a depth of identified wheel defects. Wheels having defects and depths of the defects may be highlighted to emphasize their presence. [001] The GUI 26 may also include a wheel anomaly window for displaying ones of the wheels of the rail vehicle being identified by the GUI 26 as having an anomaly. The wheel anomaly window may include a wheel identifier 44 and a brief description 46 of a type of wheel anomaly to allow a user to quickly identify wheels that may need truing. [0016] The GUI 26 may also include a wheel truing window 32, for example, arranged by axle number of a rail vehicle being measured, for interactively displaying wheel truing recommendations for wheels of a rail vehicle, such as machining and/or shimming recommendations. For example, the wheel truing window 32 may be configured for providing truing recommendations for servicing the wheels of the rail vehicle to bring the identified ones of the wheels within predetermined dimension limits and to maintain the wheels of the rail vehicle within predetermined dimension difference limits among the wheels. In an embodiment, the wheel truing window 32 includes a shim selection section 48 for suggesting shims for certain axles to bring an associated wheel within dimension limits for continued use on the rail vehicle. The shim selection section 48 may also be configured for allowing a user to interactively select or deselect a shim to show a corresponding selection effect on a wheel truing recommendation, thereby allowing a user to interactively determine a truing scheme for wheels of the rail vehicle. The wheel truing window 32 may include sections showing a proposed first machining loss 0 to bring an identified wheel within dimension limits, a proposed second machining loss 2 to bring wheels of the trucks within dimension difference limits for the associated truck as a result of a proposed first loss machining, and a proposed third machining loss 4 to bring wheels of the rail vehicle within dimension difference limits for the rail vehicle as a result of a proposed second loss machining. The wheel truing window 32 may also include a section 6 showing recommended rim removal dimensions that may reflect a sum of the first, second, and third machining losses. [0017] The GUI 26 may further include a truing recommendation window 34 for displaying wheel truing recommendation determined, for example, by the wheel truing window 32. The truing recommendation window 34 may include an axle number indication 8, a truing recommendation 60 for the axle, and a reason for truing 62. In an embodiment of the invention, the processor 12 of FIG. 1 may be configured to generate the GUI 26 for presentation on display 24. [0018] Based on the foregoing specification, the methods described may be implemented using computer programming or engineering techniques including computer software, firmware, hardware or any combination or subset thereof, wherein the technical effect is to provide improved management of servicing rail vehicle wheels. Any such resulting program, having computer-readable code means, may be embodied or provided within one or more computer-readable media, thereby making a computer program product, i.e., an article of manufacture, according to the invention. For example, computer readable media may contain program instructions for a computer program code for measuring a rail wheel dimension and processing the measured wheel dimension relative to an allowable dimension. The computer readable media may also include a computer program code for predicting a remaining service life of the wheel based on a historical wear rate for the wheel being measured and the processed wheel dimension. [0019] The computer readable media may be, for example, a fixed (hard) drive, diskette, optical disk, magnetic tape, semiconductor memory such as read-only memory (ROM), etc., or any transmitting/receiving medium such as the Internet or other communication network or link. The article of manufacture containing the computer code may be made and/or used by executing the code directly from one medium, by copying the code from one medium to another medium, or by transmitting the code over a network. [00] One skilled in the art of computer science will be able to combine the software created as described with appropriate general purpose or special purpose computer hardware, such as a microprocessor, to create a computer system or computer subsystem embodying the method of the invention. An apparatus for making, using or selling the invention may be one or more processing systems including, but not limited to, a central processing unit (CPU), memory, storage devices, communication links and devices, servers, I/O devices, or 4

5 7 EP B1 8 any sub-components of one or more processing systems, including software, firmware, hardware or any combination or subset thereof, which embody the invention, [0021] It will be understood that the specific embodiment of the invention shown and described herein is exemplary only. Numerous variations, changes, substitutions and equivalents will now occur to those skilled in the art without departing from the scope of the present invention as defined by the appended claims. Claims 1. A system () for providing rail wheel truing recommendations based on rail wheel measurements comprising: an input device (11) for receiving measured rail wheel dimensions for respective wheels of a rail vehicle; a processor (12) receiving the measured rail wheel dimensions from the input device (11); a memory (16) in communication with the processor (12) for storing a rule base (18) comprising rules for performing rail wheel truing; logic () executable by the processor (12) for accessing the rule base (18) stored in memory (16), for identifying wheels requiring truing according to the rules in the rule base (18) and the measured rail wheel dimensions, and for making wheel truing recommendations according to the rules in the rule base (18) and a graphical user interface (26) coupled to the processor (12), the graphical user interface (26) comprising: a wheel condition window (28) for interactively displaying measured wheel dimensions and observed wheel defects for wheels of a rail vehicle and for automatically identifying ones of the wheels exceeding predetermined dimension limits for the wheels; the graphical user interface (26) further comprising a wheel truing window (32) for automatically determining wheel truing recommendations (34) for servicing the wheels of the rail vehicle to bring the identified ones of the wheels within predetermined dimension limits and to maintain the wheels of the rail vehicle within predetermined dimension difference limits among the wheels and for interactively displaying the wheel truing recommendations wherein the wheel truing window (32) further comprises an interactive shim selection section (48) for allowing a user to select and deselect use of a shim and for displaying an effect on a wheel truing recommendation responsive to a shim selection to allow a user to interactively determine a truing scheme among wheels of the rail vehicle. 2. The system of claim 1, wherein the rules comprise predetermined dimension limits for the wheels. 3. The system of claim 1, wherein the rules comprise predetermined dimension limits for wheels of axles having shims. 4. The system of claim 1, wherein the rules comprise predetermined wheel dimension difference limits among wheels of a truck of the rail vehicle.. The system of claim 1, further comprising a display for displaying wheel truing recommendations. 6. A method for automatically providing rail wheel truing recommendations (34) based on rail wheel measurements comprising: receiving measured rail wheel dimensions (36) for wheels of a rail vehicle; automatically identifying ones of the wheels exceeding predetermined dimension limits for the wheels; automatically providing wheel truing recommendations (34) for servicing the wheels of the rail vehicle to bring the identified ones of the wheels within the predetermined dimension limits and to maintain the wheels of the rail vehicle within predetermined dimension difference limits among the wheels interactively displaying measured wheel dimensions(36) and observed wheel defects (, 42) for wheels of a rail vehicle automatically identifying ones of the wheels exceeding predetermined dimension limits for the wheels; the graphical user interface further comprising automatically determining wheel truing recommendations (34) for servicing the wheels of the rail vehicle to bring the identified ones of the wheels within predetermined dimension limits and to maintain the wheels of the rail vehicle within predetermined dimension difference limits among the wheels and interactively displaying the wheel truing recommendations (34), including displaying an effect on a wheel truing recommendation (34) responsive to a shim selection (48) to allow a user to interactively determine a truing scheme among wheels of the rail vehicle based on a user selecting and deselecting use of a shim. 7. The method of claim 6, further comprising providing

6 9 EP B1 a truing recommendation (34) for a wheel responsive to a shim being associated with the wheel. 8. The method of claim 6, wherein providing wheel truing recommendations (34) comprises providing a machining recommendation for a wheel. 9. The method of claim 6, wherein providing wheel truing recommendations (34) comprises providing a shim recommendation for a wheel.. The method of claim 6, further comprising receiving a wheel defect type (). 11. The method of claim, further comprising receiving a wheel defect depth (42). 12. The method of claim 6, further comprising: receiving historical wheel truing activities; and providing wheel truing recommendations (34) based on the received historical data. 13. The method of claim 6, further comprising automatically recognizing when a wheel cannot be trued without exceeding a dimension limit. 14. The method of claim 6, further comprising automatically recognizing when a wheel servicing recommendation for a first dimension would exceed a limit for a second dimension of the wheel. Patentansprüche 1. System () zum Erzeugen von Empfehlungen für das Abrichten von Schienenrädern auf der Basis von Schienenradmessungen, aufweisend: eine Eingabevorrichtung (11) zum Aufnehmen gemessener Schienenradabmessungen für entsprechende Räder eines Schienenfahrzeugs; einen Prozessor (12) zum Aufnehmen der gemessenen Schienenradabmessungen aus der Eingabevorrichtung (11); einen Speicher (16) in Verbindung mit dem Prozessor (12) zum Speichern einer Regeldatenbank mit Regeln für die Durchführung einer Schienenradabrichtung; eine durch den Prozessor (12) ausführbare Logik () zum Zugreifen auf die in dem Speicher (16) gespeicherte Regeldatenbank (18) zur Identifizierung von Rädern, die eine Abrichtung gemäß den Regeln in der Regeldatenbank (18) und den gemessenen Schienenradabmessungen erfordern, und zum Erzeugen von Radabrichtungsempfehlungen gemäß den Regeln in der Regeldatenbank (18); und eine mit dem Prozessor (12) verbundene grafische Benutzerschnittstelle (26), wobei die grafische Benutzerschnittstelle (26) aufweist: ein Radzustandsfenster (28) zum interaktiven Anzeigen gemessener Radabmessungen und beobachteter Raddefekte für Räder eines Schienenfahrzeugs und zum automatischen Identifizieren der Räder, die vorbestimmte Abmessungsgrenzwerte für die Räder überschreiten; wobei die grafische Benutzerschnittstelle (26) ferner aufweist: ein Radabrichtungsfenster (32) zum automatischen Ermitteln von Radabrichtungsempfehlungen (34) zur Wartung der Räder des Schienenfahrzeugs, um die identifizierten Räder in vorbestimmte Abmessungsgrenzwerte zu bringen und um die Räder des Schienenfahrzeugs innerhalb vorbestimmter Grenzwerte für Abmessungsunterschiede zwischen den Rädern zu halten und um interaktiv die Radabrichtungsempfehlungen anzuzeigen, wobei das Radabrichtungsfenster (32) ferner einen interaktiven Abschnitt (48) zur Auswahl von Abstandsscheiben aufweist, um einem Benutzer zu ermöglichen, die Benutzung einer Abstandsscheibe zu wählen und abzuwählen und eine Auswirkung auf eine Radabrichtungsempfehlung in Reaktion auf eine Abstandsscheibenauswahl anzuzeigen, um einem Benutzer zu ermöglichen, interaktiv einen Abrichtungsplan zwischen Rädern des Schienenfahrzeugs zu bestimmen. 2. System nach Anspruch 1, wobei die Regeln vorbestimmte Abmessungsgrenzwerte für die Räder aufweisen. 3. System nach Anspruch 1, wobei die Regeln vorbestimmte Abmessungsgrenzwerte für Räder von Achsen mit Abstandsscheiben aufweisen. 4. System nach Anspruch 1, wobei die Regeln vorbestimmte Grenzwerte für Radabmessungsunterschiede zwischen Rädern eines Drehgestells des Schienenfahrzeugs aufweisen.. System nach Anspruch 1, welches ferner eine Anzeigeeinrichtung zum Anzeigen von Radabrichtungsempfehlungen aufweist. 6. Verfahren zum automatischen Erzeugen von Empfehlungen (34) für das Abrichten von Schienenrädern auf der Basis von Schienenradmessungen, mit den Schritten: 6

7 11 EP B1 12 Aufnehmen gemessener Schienenradabmessungen (36) für Räder eines Schienenfahrzeugs; automatisches Identifizieren der Räder, die vorbestimmte Abmessungsgrenzwerte für die Räder überschreiten; automatisches Erzeugen von Radabrichtungsempfehlungen (34) zur Wartung der Räder des Schienenfahrzeugs, um die identifizierten Räder in die vorbestimmten Abmessungsgrenzwerte zu bringen und die Räder des Schienenfahrzeugs in vorbestimmten Grenzwerten für Abmessungsunterschiede zwischen den Rädern zu halten; interaktives Anzeigen gemessener Radabmessungen (36) und beobachteter Raddefekte (, 42) für Räder eines Schienenfahrzeugs; automatisches Identifizieren der Räder, die vorbestimmte Abmessungsgrenzwerte für die Räder überschreiten; wobei die grafische Benutzerschnittstelle ferner die Schritte aufweist: automatisches Bestimmen von Radabrichtungsempfehlungen (34) zur Wartung der Räder des Schienenfahrzeugs, um die identifizierten Räder in vorbestimmte Abmessungsgrenzwerte zu bringen und die Räder des Schienenfahrzeugs innerhalb vorbestimmter Grenzwerte für Abmessungsunterschiede zwischen den Rädern zu halten; und interaktives Anzeigen der Radabrichtungsempfehlungen (34), einschließlich der Anzeige einer Auswirkung auf eine Radabrichtungsempfehlung (34) in Reaktion auf eine Abstandsscheibenauswahl (48), um einem Benutzer zu ermöglichen, interaktiv einen Abrichtungsplan zwischen Rädern des Schienenfahrzeugs auf der Basis einer Benutzerwahl und -abwahl der Verwendung einer Abstandsscheibe zu ermitteln. 7. Verfahren nach Anspruch 6, ferner mit dem Schritt der Erzeugung einer Abrichtungsempfehlung (34) für ein Rad in Reaktion auf eine dem Rad zugeordnete Abstandsscheibe. 8. Verfahren nach Anspruch 6, wobei der Schritt der Erzeugung von Abrichtungsempfehlungen (34) den Schritt der Erzeugung einer Bearbeitungsempfehlung für ein Rad umfasst. 9. Verfahren nach Anspruch 6, wobei der Schritt der Erzeugung von Abrichtungsempfehlungen (34) den Schritt der Erzeugung einer Abstandsscheibenempfehlung für ein Rad umfasst.. Verfahren nach Anspruch 6, ferner mit dem Schritt der Aufnahme eines Raddefekttyps (). 11. Verfahren nach Anspruch, ferner mit dem Schritt der Aufnahme einer Raddefekttiefe (42). 12. Verfahren nach Anspruch 6, ferner mit den Schritten: Aufnehmen historischer Radabrichtungsaktivitäten; und Erzeugen von Radabrichtungsempfehlungen (34) auf der Basis aufgenommener historischer Daten. 13. Verfahren nach Anspruch 6, ferner mit dem Schritt einer automatischen Erkennung, wenn ein Rad nicht abgerichtet werden kann, ohne einen Abmessungsgrenzwert zu überschreiten. 14. Verfahren nach Anspruch 6, ferner mit dem Schritt einer automatischen Erkennung, wenn eine Radwartungsempfehlung für eine erste Abmessung einen Grenzwert für eine zweite Abmessung des Rades überschreiten würde. Revendications 1. Système () pour fournir des recommandations de reprofilage de roues ferroviaires sur la base de mesures de roues ferroviaires, comprenant : un dispositif d entrée (11) pour recevoir des dimensions de roue ferroviaire mesurées pour des roues respectives d un véhicule ferroviaire; un processeur (12) recevant les dimensions de roue ferroviaire mesurées provenant du dispositif d entrée (11); une mémoire (16) en communication avec le processeur (12) pour stocker une base de règles (18) comprenant des règles pour effectuer un reprofilage de roues ferroviaires; une logique () exécutable par le processeur (12) pour accéder à la base de règles (18) stockée dans la mémoire (16), pour identifier des roues nécessitant un reprofilage conformément aux règles de la base de règles (18) et aux dimensions de roue ferroviaire mesurées, et pour faire des recommandations de reprofilage de roues conformément aux règles de la base de règles (18); et une interface utilisateur graphique (26) couplée au processeur (12), l interface utilisateur graphique (26) comprenant : une fenêtre d état de roues (28) pour afficher de manière interactive des dimensions de roue mesurées et des défauts de roue observés pour des roues d un véhicule ferroviaire et pour identifier automatiquement 7

8 13 EP B1 14 celles des roues qui dépassent des limites de dimension prédéterminées pour les roues; l interface utilisateur graphique (26) comprenant en outre : une fenêtre de reprofilage de roues (32) pour déterminer automatiquement des recommandations de reprofilage de roues (34) pour entretenir les roues du véhicule ferroviaire afin d amener les roues identifiées en deçà de limites de dimension prédéterminées et de maintenir les roues du véhicule ferroviaire en deçà de limites de différence de dimension prédéterminées entre les roues et pour afficher de manière interactive les recommandations de reprofilage de roues, dans lequel la fenêtre de reprofilage de roues (32) comprend en outre une section de sélection de cale interactive (48) pour permettre à un utilisateur de sélectionner et désélectionner l utilisation d une cale et pour afficher un effet sur une recommandation de reprofilage de roue en réponse à une sélection de cale afin de permettre à un utilisateur de déterminer de manière interactive un plan de reprofilage de roues du véhicule ferroviaire. 2. Système selon la revendication 1, dans lequel les règles comprennent des limites de dimension prédéterminées pour les roues. 3. Système selon la revendication 1, dans lequel les règles comprennent des limites de dimension prédéterminées pour des roues d essieux portant des cales. 4. Système selon la revendication 1, dans lequel les règles comprennent des limites de différence de dimension de roue prédéterminées entre les roues d un bogie du véhicule ferroviaire.. Système selon la revendication 1, comprenant en outre un dispositif d affichage pour afficher des recommandations de reprofilage de roues. 6. Procédé de fourniture automatique de recommandations de reprofilage de roues ferroviaires (34) sur la base de mesures de roues ferroviaires, comprenant : la réception de dimensions de roue ferroviaire mesurées (36) pour des roues d un véhicule ferroviaire; l identification automatique de celles des roues qui dépassent des limites de dimension prédéterminées pour les roues; la fourniture automatique de recommandations de reprofilage de roues (34) pour entretenir les roues du véhicule ferroviaire afin d amener les roues identifiées en deçà des limites de dimension prédéterminées et de maintenir les roues du véhicule ferroviaire en deçà de limites de différence de dimension prédéterminées entre les roues; l affichage interactif de dimensions de roue mesurées (36) et de défauts de roue observés (, 42) pour des roues d un véhicule ferroviaire; l identification automatique de celles des roues qui dépassent des limites de dimension prédéterminées pour les roues; l interface utilisateur graphique comprenant en outre : la détermination automatique de recommandations de reprofilage de roues (34) pour entretenir les roues du véhicule ferroviaire afin d amener les roues identifiées en deçà de limites de dimension prédéterminées et de maintenir les roues du véhicule ferroviaire en deçà de limites de différence de dimension prédéterminées entre les roues; et l affichage interactif des recommandations de reprofilage de roues (34), comprenant l affichage d un effet sur une recommandation de reprofilage de roue (34) en réponse à une sélection de cale (48) afin de permettre à un utilisateur de déterminer de manière interactive un plan de reprofilage de roues du véhicule ferroviaire sur la base d une sélection et d une désélection, par l utilisateur, de l utilisation d une cale. 7. Procédé selon la revendication 6, comprenant en outre la fourniture d une recommandation de reprofilage (34) pour une roue en réponse à l association d une cale à la roue. 8. Procédé selon la revendication 6, dans lequel la fourniture de recommandations de reprofilage de roues (34) comprend la fourniture d une recommandation d usinage pour une roue. 9. Procédé selon la revendication 6, dans lequel la fourniture de recommandations de reprofilage de roues (34) comprend la fourniture d une recommandation de cale pour une roue.. Procédé selon la revendication 6, comprenant en outre la réception d un type de défaut de roue (). 11. Procédé selon la revendication 6, comprenant en outre la réception d une profondeur de défaut de roue (42). 12. Procédé selon la revendication 6, comprenant en 8

9 1 EP B1 16 outre: la réception d activités historiques de reprofilage de roues; et la fourniture de recommandations de reprofilage de roues (34) sur la base des données historiques reçues. 13. Procédé selon la revendication 6, comprenant en outre le fait de reconnaître automatiquement quand une roue ne peut pas être reprofilée sans dépasser une limite de dimension. 14. Procédé selon la revendication 6, comprenant en outre le fait de reconnaître automatiquement quand une recommandation d entretien de roue pour une première dimension ferait dépasser une limite pour une deuxième dimension de la roue

10 EP B1

11 EP B1 11

12 EP B1 REFERENCES CITED IN THE DESCRIPTION This list of references cited by the applicant is for the reader s convenience only. It does not form part of the European patent document. Even though great care has been taken in compiling the references, errors or omissions cannot be excluded and the EPO disclaims all liability in this regard. Patent documents cited in the description EP 0169 A [000] DE 0480 [000] 12

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