EP1252572B1 - Procede et dispositif de commande d'un appareil ecran destine a un systeme de guidage ferroviaire - Google Patents

Procede et dispositif de commande d'un appareil ecran destine a un systeme de guidage ferroviaire Download PDF

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Publication number
EP1252572B1
EP1252572B1 EP01911371A EP01911371A EP1252572B1 EP 1252572 B1 EP1252572 B1 EP 1252572B1 EP 01911371 A EP01911371 A EP 01911371A EP 01911371 A EP01911371 A EP 01911371A EP 1252572 B1 EP1252572 B1 EP 1252572B1
Authority
EP
European Patent Office
Prior art keywords
image
display screen
control
control device
pixel
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.)
Expired - Lifetime
Application number
EP01911371A
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German (de)
English (en)
Other versions
EP1252572A1 (fr
Inventor
Werner Hahn
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.)
Siemens AG
Original Assignee
Siemens AG
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Filing date
Publication date
Application filed by Siemens AG filed Critical Siemens AG
Priority to DK01911371T priority Critical patent/DK1252572T3/da
Publication of EP1252572A1 publication Critical patent/EP1252572A1/fr
Application granted granted Critical
Publication of EP1252572B1 publication Critical patent/EP1252572B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L25/00—Recording or indicating positions or identities of vehicles or trains or setting of track apparatus
    • B61L25/06—Indicating or recording the setting of track apparatus, e.g. of points, of signals
    • B61L25/08—Diagrammatic displays

Definitions

  • the invention relates to a method for displaying a picture of a traffic situation Railroad track on a screen of a pixel-oriented, controlled by a control device Screen device of a railway control system, wherein the Procedure the traffic situation is presented such that a viewer of the screen recognize the traffic situation and take control measures to influence them can.
  • the invention has for its object to provide a method of Initially specified type to improve that it while maintaining a high safety standard especially is inexpensive to carry out.
  • a significant advantage of the method consists in that it is particularly cost-effective, as a screen device with a device-internal matrix-oriented Image memory is used; because such screen devices - such.
  • LCD liquid crystal display
  • the invention with another significant advantage; because at the according to the method of the invention, the control of the Screen device such that this at least on one Section of the screen displays a gridline pattern, its grid line width the width of a screen pixel and its grid line pitch is an odd number Multiples of the single pixel spacing corresponds. by virtue of This display of the grid pattern are namely for an operator of the railway control system in general difficult or impossible to find display errors immediately recognizable, as now to be clarified.
  • a picture with an image resolution of 1280 X 1024 pixels ie an image matrix with 1280 lines and 1024 columns
  • Grid line pattern with the mentioned features will be such Error, however, mostly clearly visible, because in case of an error of the least significant bit, such a grid line pattern can no longer be displayed correctly; is that least significant bit always logical "1” or always logical equal to "0", every second row or column is no longer addressable and thus no longer “describable", which inevitably to a clearly visible optical Change the grid line pattern must lead.
  • this control signal is only too form when it should be checked whether the display on the Screen is correct. Is it then in the presence of the Control signal to the desired full-area change of the screen background, this ensures that all Address bits, in particular the most significant address bit and also the remaining high-order address bits of the image memory, work properly. However, it comes to a banding on the screen background, this is because one the address bit has not switched. This banding is i. a. very easily recognizable on the screen.
  • a Control measure as, for example, the above-mentioned See publication - usually two stages; there is the operator of the railway control system first generates a control signal that the respective control measure features. Subsequently, the control action is through a corresponding change of the image of the Traffic situation on the screen signals, causing the operator is asked to do a Control action to produce confirming acknowledgment signal. Only after the presence of the acknowledgment signal is then on the control system side or on the interlocking side, the control measure turned into reality.
  • Control signal therefore generated in this period; d. H. so, that also the change of the screen background is provided according to the invention in this period.
  • the invention is also based on the object, a Indicate control device for activating a video display device, with maintaining a high safety standard particularly cost-effective images of traffic situations on railway tracks.
  • FIG. 1 shows a pixel-oriented display device 5 a railway control system 10.
  • the display device 5 can For example, it is an LCD screen device, especially one with TFT technology, or even one PLASMA screen device act.
  • the display device 5 of the Railway control system 10 serves to an image AB a Traffic situation on a not shown in the figure 1 Railway track, in such a way that a Viewer of the screen 12 of the display device 5 or an operator of the railway control system 10 the Recognize traffic situation and control measures to their Can take influence.
  • the display device 5 has On the input side, a device-internal, matrix-oriented Image memory 15, in which the representation of the image deposited on the screen 12 required image data or are stored.
  • the image memory 15 is connected via an interface 20 with a Control device 25 connected, for example, by a PC or a DV system or a Microprocessor arrangement may be formed.
  • These Control device 25 communicates with its one input E25A in the figure 1, not shown sensors in combination, the to represent the image of the traffic situation necessary "traffic" or "situational" data to the Control device 25 transmitted.
  • E25A the input of the traffic situation necessary "traffic" or "situational" data
  • With her further entrance E25B is the control device 25 on in the figure 1 is not connected control devices connected with which the Operator of the railway control system 10 control signals S1 or Acknowledgment signals S2 for influencing the traffic situation generate and feed into the controller 25.
  • the Control device 25 furthermore has in FIG.
  • the control device 25, which, as already mentioned above, may be formed by a microprocessor arrangement is thereby designed or by a corresponding Control program programmed in such a way that in addition to the Image of the traffic situation a grid line pattern GM and displayed on screen 12 for display Screen device 5 forwards.
  • the display of the grid pattern is done on a Subarea of the screen 12, used for the representation of the Image of the traffic situation is not needed, so i.a. in the area of one of the screen edges.
  • FIG. 2 An embodiment of a grid line pattern shows FIG. 2.
  • This grid line pattern occupies a pixel area. passing through the pixels with the column numbers between x0 and x + 2q and with the line numbers between y0 and y0 + 2q is formed.
  • X0 and y0 are the coordinates, so to speak the upper left corner of the grid line pattern.
  • FIG. 4a shows the pattern resulting in error case 1 in the event that the column number x0 of the image memory cell of the upper left corner of the grid line pattern odd is;
  • FIG. 4b shows the resulting pattern for the Case that the column number x0 is even.
  • control device 25 is triggered Input of the control signal S1 generates a control signal, what only then cleared again by the control device 25 is withdrawn if the acknowledgment signal S2 is present.
  • the wallpaper - on which the image of Traffic situation is shown - over the whole area or changed at least very large area, for example in the Color or in the brightness.
  • Figures 5a and 5b show the Screen background in pixel representation in it original form - ie before the change - and the Figure 5b thereafter, ie after the modification.
  • the change was so shown that the previously white pixels then black are.
  • the modification of the Wallpaper on the subject of a color or Change in brightness be such that the image of the Traffic situation both before and after the modification is clearly visible. For example, one would be possible Brightness change from a light gray background to one dark gray background.
  • FIG. 5c shows how the screen background looks like if the least significant bit A (0) of the Column address - hereinafter referred to as first bit A (0) - is disturbed.
  • first bit A (0) - is disturbed.
  • Figure 5d shows what the screen background looks like, if related to least significant bit A (0) next higher order bit A (1) of the column address - below second bit A (1) called - is disturbed.
  • One recognizes in the Figure 5d shows a banding with a stripe width of two pixels.
  • Figure 5e shows what the screen background looks like, if related to the second bit A (1) next higher Bit A (2) - hereinafter referred to as third bit A (2) - disturbed is:
  • the stripe width is four pixels.
  • the presentation of the Grid line pattern can be limited to the period in the control signal is present. Specifically, that would Grid line pattern then only after entering a Control signal are generated. Preferably that should Grid line pattern displayed on a screen area in which otherwise only the wallpaper visible is.
  • This embodiment of the grid line pattern representation namely has the advantage that also the above described Error case 2 operator side immediately recognizable is: Will namely, the grid line pattern is not constructed correctly, so there is an addressing error.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Train Traffic Observation, Control, And Security (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)
  • Controls And Circuits For Display Device (AREA)
  • Load-Engaging Elements For Cranes (AREA)

Claims (6)

  1. Procédé pour afficher une reproduction (AB) d'une situation de trafic d'une voie ferrée sur un écran (12) d'un appareil (5) à écran à pixels, asservi par un dispositif (25) de commande, d'un système (10) de guidage ferroviaire,
    procédé suivant lequel la situation de trafic est représentée de telle sorte qu'un observateur de l'écran (12) peut identifier la situation de trafic et prendre des mesures de commande pour l'influencer,
    caractérisé en ce qu'on utilise comme appareil à écran un appareil (5) à écran doté d'une mémoire (15) image interne à l'appareil, à matrice, dans laquelle sont enregistrées les données d'image nécessaires pour représenter la reproduction (AB),
    l'asservissement de l'appareil (5) à écran s'effectuant de telle sorte que ce dernier affiche, sur au moins une surface partielle de l'écran (12), un motif de lignes quadrillées
       dont la largeur des lignes quadrillées correspond à la largeur d'un pixel d'écran
       et dont l'espacement des lignes quadrillées correspond à un multiple impair de la largeur d'un pixel d'écran.
  2. Procédé suivant la revendication 1, caractérisé en ce que la reproduction (AB) est représentée sur l'écran (12) devant un fond d'écran dont la luminosité ou la couleur est réglée différemment en présence d'un signal de commande ou en l'absence de ce signal de commande.
  3. Procédé suivant la revendication 2, caractérisé en ce que le signal de commande est automatiquement formé par le dispositif (25) de commande pendant la période comprise entre l'introduction d'un signal (S1) d'actionnement de l'utilisateur et l'introduction d'un signal (S2) de confirmation de l'utilisateur.
  4. Dispositif de commande pour un système de guidage ferroviaire,
    pour influencer une situation de trafic sur une voie ferrée
    et pour asservir un appareil (5) à écran à pixels de façon que ce dernier affiche une reproduction (AB) de la situation de trafic,
    caractérisé
    en ce que l'appareil (5) à écran est doté d'une mémoire (15) image interne à l'appareil, à matrice, dans laquelle sont enregistrées les données d'image nécessaires pour représenter la reproduction (AB),
    et en ce que le dispositif (25) de commande est conçu de telle sorte qu'il asservit l'appareil (5) à écran de telle sorte que ce dernier affiche, sur au moins une surface partielle de l'écran (12), un motif de lignes quadrillées
    dont la largeur des lignes quadrillées correspond à la largeur d'un pixel d'écran
    et dont l'espacement des lignes quadrillées correspond à un multiple impair de la largeur d'un pixel d'écran.
  5. Dispositif de commande suivant la revendication 4, caractérisé en ce que le dispositif (25) de commande est conçu de telle sorte que la reproduction (AB) est représentée sur l'écran (12) devant un fond d'écran dont la luminosité ou la couleur est différente en présence d'un signal de commande ou en l'absence de ce signal de commande.
  6. Dispositif de commande suivant la revendication 5, caractérisé en ce que le dispositif (25) de commande est conçu de telle sorte qu'il forme automatiquement le signal de commande pendant la période comprise entre l'introduction d'un signal (S1) d'actionnement de l'utilisateur et l'introduction d'un signal (S2) de confirmation de l'utilisateur.
EP01911371A 2000-01-28 2001-01-16 Procede et dispositif de commande d'un appareil ecran destine a un systeme de guidage ferroviaire Expired - Lifetime EP1252572B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DK01911371T DK1252572T3 (da) 2001-01-16 2001-01-16 Fremgangsmåde og indretning til styring af en skærmterminal til et jernbane-styringssystem

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10004743A DE10004743C2 (de) 2000-01-28 2000-01-28 Verfahren und Einrichtung zum Ansteuern eines Bildschirmgerätes für ein Eisenbahnleitsystem
DE10004743 2000-01-28
PCT/DE2001/000235 WO2001055852A1 (fr) 2000-01-28 2001-01-16 Procede et dispositif de commande d'un appareil ecran destine a un systeme de guidage ferroviaire

Publications (2)

Publication Number Publication Date
EP1252572A1 EP1252572A1 (fr) 2002-10-30
EP1252572B1 true EP1252572B1 (fr) 2004-07-21

Family

ID=7629708

Family Applications (1)

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EP01911371A Expired - Lifetime EP1252572B1 (fr) 2000-01-28 2001-01-16 Procede et dispositif de commande d'un appareil ecran destine a un systeme de guidage ferroviaire

Country Status (12)

Country Link
US (1) US20030095123A1 (fr)
EP (1) EP1252572B1 (fr)
CN (1) CN1230746C (fr)
AT (1) ATE271701T1 (fr)
AU (1) AU2001240436A1 (fr)
CA (1) CA2399002A1 (fr)
DE (3) DE10004743C2 (fr)
ES (1) ES2225493T3 (fr)
HK (1) HK1049894B (fr)
MX (1) MXPA02007217A (fr)
PT (1) PT1252572E (fr)
WO (1) WO2001055852A1 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8650490B2 (en) * 2008-03-12 2014-02-11 International Business Machines Corporation Apparatus and methods for displaying a physical view of a device
US10678409B2 (en) 2008-03-12 2020-06-09 International Business Machines Corporation Displaying an off-switch location
US8788890B2 (en) 2011-08-05 2014-07-22 Apple Inc. Devices and methods for bit error rate monitoring of intra-panel data link
DE102013202622A1 (de) * 2013-02-19 2014-08-21 Siemens Aktiengesellschaft Verfahren zum Fernüberwachen eines Schienenfahrzeugs
DE102019211675A1 (de) * 2019-08-02 2021-02-04 Siemens Mobility GmbH Verfahren und Einrichtung zum Steuern einer eisenbahntechnischen Anlage

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3662375A (en) * 1969-01-10 1972-05-09 Ibm Shift register display
DE2414247C3 (de) * 1974-03-25 1980-08-21 Siemens Ag, 1000 Berlin Und 8000 Muenchen Anordnung zum Betrieb von Datensichtgeräten
JPH0827811B2 (ja) * 1985-02-28 1996-03-21 株式会社日立製作所 輸送計画作成方法およびシステム
US5341472A (en) * 1990-02-02 1994-08-23 Apple Computer, Inc. Efficient area description for raster displays
DE19607816A1 (de) * 1996-03-01 1997-09-04 Mediatec Ges Fuer Multimediale Anordnung und Verfahren zum Betrieb einer Anzeigeeinrichtung, insbesondere zur Vermittlung von Fahrgastinformationen an Bahnsteigen und in Flughäfen
DE19703574A1 (de) * 1997-01-31 1998-08-06 Alsthom Cge Alcatel Verfahren zur sicheren Darstellung eines Bildes auf einem Monitor
US6140994A (en) * 1997-11-12 2000-10-31 Philips Electronics N.A. Corp. Graphics controller for forming a composite image
DE19830926A1 (de) * 1998-07-10 2000-01-13 Alcatel Sa Verfahren zur sicheren Anzeige des Zustandes einer signaltechnischen Anlage

Also Published As

Publication number Publication date
CA2399002A1 (fr) 2001-08-02
CN1395701A (zh) 2003-02-05
DE10190269D2 (de) 2003-05-08
ATE271701T1 (de) 2004-08-15
WO2001055852A1 (fr) 2001-08-02
DE10004743A1 (de) 2001-08-09
US20030095123A1 (en) 2003-05-22
AU2001240436A1 (en) 2001-08-07
CN1230746C (zh) 2005-12-07
MXPA02007217A (es) 2003-02-12
ES2225493T3 (es) 2005-03-16
PT1252572E (pt) 2004-11-30
HK1049894B (zh) 2006-02-24
DE10004743C2 (de) 2002-03-28
EP1252572A1 (fr) 2002-10-30
HK1049894A1 (en) 2003-05-30
DE50102922D1 (de) 2004-08-26

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