EP0631921A2 - Dispositif pour commander et régler des composants électriques, électroniques ou électro-mécaniques dans des véhicules ferroviaires - Google Patents

Dispositif pour commander et régler des composants électriques, électroniques ou électro-mécaniques dans des véhicules ferroviaires Download PDF

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Publication number
EP0631921A2
EP0631921A2 EP94890112A EP94890112A EP0631921A2 EP 0631921 A2 EP0631921 A2 EP 0631921A2 EP 94890112 A EP94890112 A EP 94890112A EP 94890112 A EP94890112 A EP 94890112A EP 0631921 A2 EP0631921 A2 EP 0631921A2
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EP
European Patent Office
Prior art keywords
error
substation
control center
memory
component
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
EP94890112A
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German (de)
English (en)
Other versions
EP0631921A3 (fr
EP0631921B1 (fr
Inventor
Robert Dipl.-Ing. Dr. Martin
Franz Bauer
Robert Benes
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.)
LIEBHERR-VERKEHRSTECHNIK GMBH
Original Assignee
Alex Friedmann KG
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Publication date
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Application filed by Alex Friedmann KG filed Critical Alex Friedmann KG
Publication of EP0631921A2 publication Critical patent/EP0631921A2/fr
Publication of EP0631921A3 publication Critical patent/EP0631921A3/fr
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Publication of EP0631921B1 publication Critical patent/EP0631921B1/fr
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L15/00—Indicators provided on the vehicle or train for signalling purposes
    • B61L15/0018—Communication with or on the vehicle or train
    • B61L15/0036—Conductor-based, e.g. using CAN-Bus, train-line or optical fibres
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L15/00—Indicators provided on the vehicle or train for signalling purposes
    • B61L15/0081—On-board diagnosis or maintenance
    • G—PHYSICS
    • G08—SIGNALLING
    • G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
    • G08C25/00—Arrangements for preventing or correcting errors; Monitoring arrangements

Definitions

  • Device for controlling and regulating electrical, electronic or electromechanical components in rail vehicles substations which contain a microcomputer and a communication interface are connected to a control center via at least one transmission path and the control center contains at least one microcomputer and an interface as well as a non-volatile fault memory and is set up to generate error messages with an error code in the event of abnormal operating behavior of the components by processing data arriving from the substations and to store them in the error memory.
  • Components such as e.g. Air conditioning systems, fan fans, heaters, toilet flushes, etc. are used, which can be generally referred to as electrical, electronic or electromechanical components.
  • the primary task of electronic controls is usually to control electromechanical systems according to predefined guidelines according to their functional purpose and the running processes according to predefined ones Regulate criteria.
  • various sensors e.g. temperature sensors, are used to determine information from all parts of the system and supply it to the controller in the form of electrical signals, process it in the controller using, for example, programmed logic, and then the resulting commands from the controller via electromechanical actuators to the components fed to the plant.
  • a frequently encountered secondary task of an electronic control is to use this information and any additional signals that may be added to automatically determine whether there are faults in the controlled electromechanical system (technical fault diagnosis). Plausibility checks are often carried out for this purpose, sometimes redundant signals are compared, and feedback from the controlled process (existing or provided specifically for diagnostic purposes) is often used. For example, a faulty sensor can be identified on the basis of physically impossible measured values, a faulty switching element mostly through a feedback manipulated variable, a process that has gotten out of control due to one or more measured values that lie outside their permissible range.
  • a control center capable of diagnosis recognizes from the information available to it that there is an abnormal state with the aid of logical conclusions, it generates an error message.
  • the content of such error messages depends on the nature of the error and the faulty component, however, the type and location of the fault are usually specified, often also the time and date and important process values at the time of the error.
  • statistical data with the same mechanisms as faults is stored in the control center's fault memory, for example, operating hours, switching cycles and wear data of individual system components to collect.
  • Various embodiments are also known which can display this error message visibly for the operating personnel and which differ on the one hand by the technology used (for example signal lamps, numerical displays, text displays, interactive data display devices), and on the other hand by the underlying system philosophy (for example representation of the acute errors and / or the stored errors, priority-controlled display, staggered depth of information depending on the user).
  • the technology used for example signal lamps, numerical displays, text displays, interactive data display devices
  • the underlying system philosophy for example representation of the acute errors and / or the stored errors, priority-controlled display, staggered depth of information depending on the user.
  • Almost all known versions have in common that they store a list of the most recently generated error messages in a memory of the control center (history memory) in order to provide the maintenance personnel with any information as to the history of the occurrence of a malfunction. If a display of the error messages is requested (for example on a display panel or via a data line on a connected computer), the data required for this are taken from the error memory.
  • a disadvantage of such known devices with central fault storage is that the information collected in the central fault memory only reflects the correct fault history of the system as long as the components of the system are left unchanged. In the event of a fault, however, components are usually exchanged; however, the saved error messages (as well as any saved statistical data such as operating hours) relate to the original component, they are neither applicable nor usable after the exchange and are usually deleted.
  • each interchangeable component is assigned a sub-station, each sub-station has a non-volatile error memory, the control center being set up to not only provide error messages relating to individual components in it To store error memories, but also to send out such error messages to the relevant component, the substation of which in turn is set up to receive the error message and to store it in its error memory, which is a physical part of the substation and thus the component.
  • each error message is thus stored decentrally within the rail vehicle component concerned, a second copy of the error message being present in the control center for precaution, for example in the event of extensive destruction of the component.
  • the transmission path between the components can be a serial data bus, or else a data network or, in the simplest case, point-to-point lines.
  • control center is set up to provide a substation address with the help of an I / O map when an error message is generated.
  • an I / O map contains permanently programmed information about the substation address on which the individual signals are read or output.
  • control center is set up to provide the exact identification data for each substation address, e.g. Determine the serial number and type designation of the component and save it in a configuration table, and use error code, substation identification data and identification data from the control center to construct the header of the error message.
  • the substation of a component has a memory area for storing identification data and the control center is set up to independently build up its configuration table from the data stored in the memory areas of each substation and to keep it up to date.
  • control center is set up to output an error message list, which includes the copies of the error messages stored in the error memories of the substations, upon request via an input / output unit.
  • a head center in particular arranged in a traction vehicle, is provided which is superordinate to the individual control centers arranged in wagons and is connected to them for the exchange of data telegrams via a transmission path.
  • FIG. 1 shows a block diagram of a device according to the invention
  • Fig. 2 with the aid of a structure diagram the further function of the device according to the invention.
  • a plurality of electrical, electromechanical or electronic components 2a, 2b, 2c are provided in a rail vehicle 1 outlined in dashed lines.
  • Such components can be the components of an air conditioning system, such as a cooling unit, here 2a, supply air, pressure protection and exhaust air fans, here 2b, and a heating unit, here 2c. But it can also be the components of a vacuum toilet system, an automatic door system or the energy supply system.
  • sensors such as e.g. Temperature sensors, determined actual value signals and specifiable setpoint signals are regulated or controlled.
  • a sub-station 3a, 3b, 3c is provided in each component 2a, 2b, 2c, which contains a microcomputer 4a, b, c and a communication interface 5a, b, c.
  • the substations 3a, b c are connected via a transmission path 6, e.g. a data bus or a data network with a control center 7, which spatially e.g. is provided at one end of the rail vehicle 1.
  • the control centers 7, 7 'of individual rail vehicles 1, 1' such as, in particular, passenger coaches, can be superimposed on a head center 8, which is located, for example, in the driver's cab of the locomotive.
  • the control center 7 has an interface 9, at least one microcomputer 10, an error memory 11 and an input / output unit 12.
  • the device essentially corresponds to the state of the art as described at the beginning.
  • a non-volatile error memory 13a, b, c in each substation 3a, b c is essential for the invention.
  • This error memory 13a, b c must be implemented in non-volatile technology or be a battery-buffered RAM memory and it can be implemented independently of the main memory of the microcomputer 4a, b, c or as an area of this main memory.
  • the microcomputer 4a, b c or its working memory also has a memory area 14a, b c for storing identification data, which is described in more detail below. If a head center 8 is present, it is connected to the individual control centers 7, 7 'via a transmission path 15, e.g. a data bus or a radio link.
  • each replaceable component 2a, 2b, 2c of the system forms an inseparable unit with its own substation 3a, 3b, 3c.
  • Components that are present more than once receive their own substation. It can be advantageous to give each individual sensor or actuator the character of an independent substation 3a, 3b, 3c.
  • the primary function of an air conditioning system control can be assumed to be known and is not the subject of the invention. It consists of capturing setpoints and actual values of all required measured variables and, by activating and metering the system components heating 2c, ventilation 2b and cooling 2a, as well as their subcomponents such as air flaps, blowers, reheating elements etc., ensure that the specified comfort criteria are met . Numerous exemplary embodiments are also known for the secondary function of this device, the fault diagnosis. This fault diagnosis is based on the existing measured values, signals and the respective state of the controlled process through logical operations of any abnormal behavior of the system or individual system components and to generate an error message if a fault occurs.
  • FIG. 2 the method used or the function of the device according to Fig. 1 is only described to the extent that it is necessary for an understanding of the invention.
  • An important data structure for each decentrally installed system in the control center 7 is often referred to as an I / O map and contains permanently programmed information about the substation address on which the individual signals are read or output.
  • This table is supplemented by a configuration table, which is also located in the control center 7 and which, according to FIG.
  • the type of the fault (the error code) and the lexical (based on the signals used in the relevant algorithm and the mentioned I / O map) the address of the substation 3a, 3b, 3c, which results procedurally (from the type of algorithm in question) is affected by the fault (several substations can also be affected by the fault).
  • the program then takes the exact identification data of this substation from the configuration table mentioned.
  • the error code, substation address, substation identification data and identification data of the control center form the head of an error message, which initially together with all those diagnostic data that are programmed in one Error messages for the type of malfunction in question must be contained (for example time, date, and a selection of measured values and signals at the time of the malfunction) in the working memory of the control center 7.
  • a copy of this error message is then stored in a known manner in the non-volatile or battery-backed part of the memory of the control center provided for this purpose, that is, in the error memory 11, but a second copy according to the invention via the data network 6 in the error memory 13a, 13b, 13c of the substation 3a concerned , 3b, 3c, where it remains even if the affected substation should be removed from the system together with the disturbed component 2a, 2b, 2c in the course of troubleshooting.
  • This completes the error storage process and the normal operating sequence of the control is continued by repeating the endless loop mentioned.
  • the list of all error messages is normally composed of those error messages which are in the error memories 13a, 13b, 13c of the substations 3a, 3b, 3c are stored.
  • the corresponding copy in the memory 11 of the control center 7 is used only in the event of a faulty substation.
  • the error messages stored in the individual substations 3a, 3b, 3c are read into the working memory of the control center 7 via the data network 6, linked there into a single complete list and displayed to the user in the manner provided for this purpose.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Biomedical Technology (AREA)
  • General Health & Medical Sciences (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)
  • Selective Calling Equipment (AREA)
  • Power-Operated Mechanisms For Wings (AREA)
  • Train Traffic Observation, Control, And Security (AREA)
  • Relay Circuits (AREA)
EP94890112A 1993-06-30 1994-06-29 Dispositif pour commander et régler des composants électriques, électroniques ou électro-mécaniques dans des véhicules ferroviaires Expired - Lifetime EP0631921B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
AT127993 1993-06-30
AT0127993A AT400944B (de) 1993-06-30 1993-06-30 Vorrichtung zum steuern und regeln elektrischer, elektronischer oder elektromechanischer komponenten in schienenfahrzeugen
AT1279/93 1993-06-30

Publications (3)

Publication Number Publication Date
EP0631921A2 true EP0631921A2 (fr) 1995-01-04
EP0631921A3 EP0631921A3 (fr) 1997-07-09
EP0631921B1 EP0631921B1 (fr) 2001-10-24

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ID=3510450

Family Applications (1)

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EP94890112A Expired - Lifetime EP0631921B1 (fr) 1993-06-30 1994-06-29 Dispositif pour commander et régler des composants électriques, électroniques ou électro-mécaniques dans des véhicules ferroviaires

Country Status (4)

Country Link
EP (1) EP0631921B1 (fr)
AT (2) AT400944B (fr)
DE (1) DE59409918D1 (fr)
ES (1) ES2166369T3 (fr)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2286903B (en) * 1994-02-28 1998-07-29 Sanyo Electric Co Remote management system
EP1233898A1 (fr) * 1999-11-05 2002-08-28 Bombardier Transportation GmbH Vehicule leger sur rail equipe d'un systeme de diagnostic predictif pour portes automatiques motorisees
WO2004024531A1 (fr) * 2002-09-13 2004-03-25 Bombardier Transportation Gmbh Systeme de diagnostic embarque dans un vehicule
US20070288137A1 (en) * 2004-12-07 2007-12-13 Bayerische Motoren Werke Aktiengesellschaft Method for preparing error entries
US20080034260A1 (en) * 2004-12-07 2008-02-07 Bayerische Motoren Werke Aktiengesellschaft Method for structured storage of error entries
EP3296139A1 (fr) * 2016-09-16 2018-03-21 Continental Automotive GmbH Commutateur d'onduleur pour machine électrique de véhicule hybride
EP3378724A1 (fr) * 2017-03-22 2018-09-26 Thales Management & Services Deutschland GmbH Procédé de détermination sécurisée d'une information de sortie actuelle dans le domaine de la technique ferroviaire

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4041470A (en) * 1976-01-16 1977-08-09 Industrial Solid State Controls, Inc. Fault monitoring and reporting system for trains
US5265832A (en) * 1992-03-18 1993-11-30 Aeg Transportation Systems, Inc. Distributed PTU interface system

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5053964A (en) * 1989-07-17 1991-10-01 Utdc, Inc. On-board integrated vehicle control and communication system

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4041470A (en) * 1976-01-16 1977-08-09 Industrial Solid State Controls, Inc. Fault monitoring and reporting system for trains
US5265832A (en) * 1992-03-18 1993-11-30 Aeg Transportation Systems, Inc. Distributed PTU interface system

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5859778A (en) * 1994-02-28 1999-01-12 Sanyo Electric Co. Ltd. Remote management system
GB2286903B (en) * 1994-02-28 1998-07-29 Sanyo Electric Co Remote management system
EP1233898A4 (fr) * 1999-11-05 2004-10-13 Bombardier Transp Gmbh Vehicule leger sur rail equipe d'un systeme de diagnostic predictif pour portes automatiques motorisees
EP1233898A1 (fr) * 1999-11-05 2002-08-28 Bombardier Transportation GmbH Vehicule leger sur rail equipe d'un systeme de diagnostic predictif pour portes automatiques motorisees
GB2409904B (en) * 2002-09-13 2006-06-28 Bombardier Transp Gmbh Vehicle on-board diagnostic system
GB2409904A (en) * 2002-09-13 2005-07-13 Bombardier Transp Gmbh Vehicle on-board diagnostic system
WO2004024531A1 (fr) * 2002-09-13 2004-03-25 Bombardier Transportation Gmbh Systeme de diagnostic embarque dans un vehicule
US20070288137A1 (en) * 2004-12-07 2007-12-13 Bayerische Motoren Werke Aktiengesellschaft Method for preparing error entries
US20080034260A1 (en) * 2004-12-07 2008-02-07 Bayerische Motoren Werke Aktiengesellschaft Method for structured storage of error entries
US8452485B2 (en) * 2004-12-07 2013-05-28 Bayerische Motoren Werke Aktiengesellschaft Method for preparing error entries
US8594881B2 (en) * 2004-12-07 2013-11-26 Bayerische Motoren Werke Aktiengesellschaft Method for structured storage of error entries
EP3296139A1 (fr) * 2016-09-16 2018-03-21 Continental Automotive GmbH Commutateur d'onduleur pour machine électrique de véhicule hybride
EP3378724A1 (fr) * 2017-03-22 2018-09-26 Thales Management & Services Deutschland GmbH Procédé de détermination sécurisée d'une information de sortie actuelle dans le domaine de la technique ferroviaire

Also Published As

Publication number Publication date
ES2166369T3 (es) 2002-04-16
EP0631921A3 (fr) 1997-07-09
ATA127993A (de) 1995-09-15
ATE207431T1 (de) 2001-11-15
AT400944B (de) 1996-04-25
EP0631921B1 (fr) 2001-10-24
DE59409918D1 (de) 2001-11-29

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