EP2849986A2 - Verfahren und anordnung zum steuern einer technischen anlage - Google Patents
Verfahren und anordnung zum steuern einer technischen anlageInfo
- Publication number
- EP2849986A2 EP2849986A2 EP13733994.1A EP13733994A EP2849986A2 EP 2849986 A2 EP2849986 A2 EP 2849986A2 EP 13733994 A EP13733994 A EP 13733994A EP 2849986 A2 EP2849986 A2 EP 2849986A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- computer
- secure
- operating
- operator
- technical system
- 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
Links
- 238000000034 method Methods 0.000 title claims description 7
- 230000005540 biological transmission Effects 0.000 claims abstract description 8
- 230000015654 memory Effects 0.000 claims description 24
- 238000009434 installation Methods 0.000 claims description 15
- 238000012790 confirmation Methods 0.000 claims description 14
- 238000006243 chemical reaction Methods 0.000 claims description 4
- 230000011664 signaling Effects 0.000 claims 1
- 239000011521 glass Substances 0.000 description 12
- 239000008186 active pharmaceutical agent Substances 0.000 description 7
- 210000003608 fece Anatomy 0.000 description 2
- 241000196324 Embryophyta Species 0.000 description 1
- 235000010678 Paulownia tomentosa Nutrition 0.000 description 1
- 240000002834 Paulownia tomentosa Species 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
- B61L21/00—Station blocking between signal boxes in one yard
- B61L21/04—Electrical locking and release of the route; Electrical repeat locks
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
- B61L19/00—Arrangements for interlocking between points and signals by means of a single interlocking device, e.g. central control
- B61L19/06—Interlocking devices having electrical operation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
- B61L27/00—Central railway traffic control systems; Trackside control; Communication systems specially adapted therefor
- B61L27/30—Trackside multiple control systems, e.g. switch-over between different systems
Definitions
- the invention relates to an arrangement for controlling a technical installation, in particular a railway track system, the arrangement comprising an interlocking computer, which can initiate a changeover of the technical installation, and at least two operator station computers with which generated and can be transmitted to the interlocking computer.
- an arbitrary operator station computer for example a standard PC
- a given Si ⁇ cherheitshiel must not be achieved in most cases because the interlocking computers located between the workstation computer and the technical system may refuse dangerous operating actions.
- security or safety-critical Be ⁇ serving commands to be generated with a workstation computer and a check should be suppressed by the interlocking computers or circumvented precautions must be taken to prevent a dangerous situation in the technical installation reliable.
- the invention has for its object to provide an arrangement for controlling a technical system, which can be implemented inexpensively and yet ensures a high safety standard.
- At least one operator station computer is safe from the operator station computers
- Operating station computer is whose security level reaches a predetermined minimum standard, and at least one control ⁇ platzrechner an unsafe operating system computer, the security level below the predetermined minimum standard, the secure operator's computer with the interlocking ⁇ computer via a secure data connection, which ensures a predetermined transmission security connected is
- the at least one insecure operating console computer is indirectly connected to the interlocking computer, namely on the safe operator's computer, and the operating commands of the insecure computer to the secure operator's computer and transmitted via this and the secure data connection to the interlocking computer.
- the connection of the unsafe computers to the interlocking computer is not provided directly, but indirectly via at least one secure computer; This ensures that control commands into ⁇ particular those which are relevant to safety, can be transmitted exclu ⁇ Lich from a secure computer directly to the factory computer manipulated, however, not directly from an insecure computer. In this way it is possible to come from the insecure machine operating commands for plausibility and / or feasibility Prue ⁇ fen before they are forwarded to the interlocking computers for eventual implementation.
- the inventive idea therefore consists in enabling the integration of insecure operator station computers by interposing secure operator computers.
- the technical system descriptive record is stored centrally and the unsafe operating computer is programmed so that it generates user-specific display control signals using the stored in the si ⁇ cheren workstation computer record and a predetermined by the operator of the unsafe computer display mode, the operator to an individual display by Define the data record defined state of the technical system on a connected to the non-secure terminal computer display device. Due to the central storage of the
- the safe operating ⁇ personal computer comprises at least two redundant operated Speicherbe ⁇ rich, in each of which the state of the technical ⁇ rule system descriptive data is stored.
- a check of the data stored in the two redundant operated SpeI ⁇ cher Schemeen records on match is preferably performed by a compare block.
- a comparison device is arranged between the secure and insecure workstation computer and the comparison module is configured such that it the information about the state of the technical installation descriptive data set in order Götra ⁇ supply to unsafe operating computer in each case from each of the reads out at least two redundantly operated memory areas and compares with each other and the read data to the insecure terminal computer only forwarded if they match, and otherwise blocked forwarding.
- the comparison module is preferably a separate compo ⁇ nent implemented in any of the workstation computer.
- the comparison block can also be integrated in the secure operator station computer.
- the secure operator ⁇ place computer comprises at least two redundantly operating computer units that at least two redundant working
- Computer units of the secure operator workstation after receiving a security-related operating command of the insecure operating system computer each send a confirmation request to the non-secure operator workstation, via the comparison block, and the comparison block is configured such that it the confirmation prompts of at least two redundantly operating computer units of si ⁇ chere operator workstation together compares and forwards to the insecure console computer only if they match, and otherwise blocks a forwarding.
- the requirement of the confirmation prompts ensures that the comparison module can check and intervene in the activity of the two redundantly operating computer units if it can be seen from the confirmation requests of the two redundantly operating computer units that they produce mutually differing results.
- the comparison block also monitors the interface between the interlocking computer and the secure operator's computer. Accordingly, it is considered advantageous if the comparison block control signals that would cause a change of the technical system, the at least two redundant working computer units of the secure operator's computer compares with each other and to the interlocking computer only then forward or forward if they match, and otherwise block forwarding.
- the invention also relates to a method for controlling a technical system, in particular a railroad track system, wherein Be ⁇ dienbetatione generated with an operator station and transmitted to a communicating with the technical system interlocking computer and causes the interlocking computer to change the technical system becomes.
- the operating commands are generated with an insecure operating station computer whose security level falls below a predetermined minimum standard and transmitted to the interlocking computer via a secure operator station computer whose security level reaches the predetermined minimum standard.
- the data record describing the state of the technical system is stored redundantly in at least two memory areas and data of the data record describing the state of the technical system are read from each of the at least two memory areas for transmission to the insecure operating computer are compared with each other and the read-out data are forwarded to the non-secure terminal computer only if they match, and otherwise a forwarding is blocked.
- Figure 3 shows a second embodiment of an arrangement according OF INVENTION ⁇ dung and
- Figure 4 shows a third embodiment of an arrangement according OF INVENTION ⁇ dung, in which aletssbau- stone is integrated into a secure workstation computer.
- FIG. 1 an arrangement 10 for controlling a technical system 20, which is, for example, at a railway track can act.
- the arrangement 10 comprises an interlocking computer 25, a safe operator station computer 30 and two insecure operator station computers 40 and 50.
- the three operator station computers 30, 40 and 50 are each connected to a display device 60, 70 and 80, respectively.
- the two insecure operating station computers 40 and 50 are connected via a comparison block 90 with the secure operator station computer 30 in conjunction; An indirect connection between the two insecure operating station computers 40 and 50 and the interlocking computer 25 is possible via the comparison module 90.
- FIG. 1 shows, by way of example, the structure of the secure operating computer 30 in more detail. It can be seen two SpeI ⁇ cher Schemee 100 and 110 which are intended for storing a state of the technical installation 20 descriptive data set DS. The data record DS is thus stored twice or redundantly in the secure operator station computer 30, both in the memory area 100 and in the memory area 110.
- the secure operator station computer 30 has two redundantly operating computer units 120 and 130, which are in communication with the comparison module 90.
- the two computer units 120 and 130 may be formed by physically separate processors or processor devices; Alternatively, it is possible to map or simulate the two computer units 120 and 130 merely by software and to realize them by separate software modules running on one and the same processor device.
- a display software module ASM is provided in the safe operator station computer 30 as well as in the two non-secure operator computer computers 40 and 50, which makes it possible to display the status of the technical system 20 on the respective downstream display device 60, 70 or 80.
- the display ⁇ software module ASM the secure operator position computer 30 is stored in egg ⁇ nem separate memory area 140;
- the display software module ASM may also be stored in the memory area 100 or the memory area 110.
- the display software module ASM of the secure operator computer 30 can be executed, for example, by a separate computer unit 150, as indicated in FIG.
- the display software module ASM of the secure operating computer 30 can also be executed by one of the two computer units 120 or 130 or redundantly by both computer units 120 and 130.
- the three memory areas 100, 110 and 140 of the secure operator station computer 30 shown in FIG. 1 can be located in physically separate memories; alternatively they can also be located in sections of the same physical memory.
- an operator can input an operating signal BS3 to the insecure operating station computer 50 with which the display software module ASM is given or described a user-specific representation of the state of the technical system 20.
- the display software module ASM evaluates the control signal BS3, and the output side generates a user individual itatisteu ⁇ ersignal AS3 with which the display device 80 is driven and displayed the state of the technical installation 20 according to the pre ⁇ gave the operator. For example, with the operating signal BS3 the zoom factor or the Pointing device 80 shown user-individually changed.
- the input of the operating signal BS3 into the display software module ASM can take place via a preprocessing software module (not shown), for example in text form.
- a preprocessing software module (not shown), for example in text form.
- An example of such a text form may be, for example:
- mouseEvent magnifying glass, magnifying glass, MouseButtonRelease, LeftButton, 441, 588) (16) "
- the data D originate from the data set DS, which is stored in a redundant manner in the two memory areas 100 and 110 of the secure operator station computer 30.
- the comparison module 90 For identity.
- the data D describing the state of the technical system can be transmitted, for example, in text form.
- the following data for example, has to be transferred:
- comparison block 90 With the aid of the comparison block 90, it is thus ensured that only data which corresponds to the actual current state of the technical installation 20 are displayed on the display device 80.
- the state of the technical system 20 can be displayed on the display devices 60 and 70 by inputting corresponding operating signals BS1 or BS2 into the secure operator station computer 30 or the insecure operator station computer 40 and generating corresponding display control signals AS1 and AS2.
- Both operator stations ⁇ computers 30 and 40 are each equipped with a display software module ASM, which evaluates the respective applied control signal BS1 or BS2 and based on the operator side ge ⁇ desired representation of the state of the technical Anla ⁇ ge 20 on the respective display device 60 or 70th indicates.
- the same data sets DS are always used, which are also utilized by the operator station computer 50 as described above; with others Words are the records DS containing the data D on the stand to ⁇ the technical facility 20, only stored and managed centrally and serving space computer from a central point to the display software modules ASM the respective loading 30, transmitted 40 and 50th
- the data D which are ⁇ shown differ from the display software modules ASM the workstation computer 30 or workstation computer 40 are also checked by the comparison module 90 is correct, as has already been described in connection with the work station computer 50 above.
- the comparison module 90 when reading the data D from the two memory areas 100 and 110, the data is checked for identity and only if the data D from the two Memory areas 100 and 110, a transfer of data to the respective display software modules ASM will make.
- Figure 2 shows an example of the operation of the Anord ⁇ voltage 10 according to Figure 1 when a safety-relevant operating command BB is generated using one of the two Unsi ⁇ Cheren operator position computer 40 and 50, to the effected a conversion of the industrial plant 20 by the interlocking computer 25 ,
- the two computer units 120 and 130 evaluate the operating command and generate a confirmation request BSA and send it via the comparison module 90 to the insecure operating console computer 50.
- the comparison block 90 is in this case of the two computer units 120 and 130 check the confirmation prompts BSA to identity or content Convention Stim ⁇ mung back and only when the two confirmation prompts BSA match, a forward each tung to the uncertain operator position computer 50 make.
- the comparison block 90 becomes a Prevent forwarding. In this way, it is ensured that the execution of a safety-relevant operating command BB can only take place if the two computer units 120 and 130 understand the security-relevant operating command BB in the same way and acknowledge with the same confirmation prompts BSA.
- the two computer units will carry out a conversion of the safety-relevant control command BB and 120 and 130 generate a control signal STB, which is transmitted to the interlocking computers 25th With the control signal STB to the railway control computer 25 is informed that the technical system is to be 20 ⁇ vice is. The conversion of the technical system 20 is then made by the interlocking computer 25.
- the data transmission of the control signal STB from the secure operating terminal computer 30 to the interlocking computer 25 takes place via a secure data connection 200 in order to avoid a falsification of the command.
- the comparison module 90th Preferably upstream of the comparison module 90 will block the generation or transmission of the control signal STB on the safe movement of such data ⁇ connection 200 when the two computer units 120 and 130 provide different results and different control signals STB.
- FIG. 3 shows a second embodiment of an arrangement 10 for controlling a technical system 20.
- two display devices 60 and 61 are connected, which are each controlled by an associated adosrsoftwaremodul ASM.
- At the two ⁇ show software modules ASM can be stored in the memory area 100 and / or the storage area 110 or in individual storage areas.
- the two display software module ASM are stored respectively in individual storage ⁇ areas 140 and 141 and are executed 150 and 151 of Rechnerein- units.
- the data D from the two memory areas 100 and 110 are not transmitted directly to the display software modules ASM, but only indirectly via the comparison block 90. Only if the data D from the two memory areas 100 and 110 match, the comparison block 90 will forward the data D to the two display software module ASM in the secure terminal computer 30, so that only then a display the two display devices 60 and 61 can be done.
- the mode of operation of the arrangement 10 according to FIG. 3 thus corresponds to the arrangement 10 according to FIG. 1, so that reference is made to the above statements.
- FIG. 4 shows a third exemplary embodiment of an arrangement 10 for controlling a technical installation 20.
- the arrangement 10 according to FIG. 4 essentially corresponds to the exemplary embodiment according to FIG. 3, with the difference that the comparison building block 90 is not a separate component but instead in the safe one Operator station computer 30 is integrated.
- the comparison module 90 can be implemented in the form of a software module that is from one of the two computer units
- comparison ⁇ block 90 may be formed by a separate hardware component, which is provided in the secure operator station computer 30.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Train Traffic Observation, Control, And Security (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
- Safety Devices In Control Systems (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102012211273.1A DE102012211273A1 (de) | 2012-06-29 | 2012-06-29 | Verfahren und Anordnung zum Steuern einer technischen Anlage |
PCT/EP2013/063098 WO2014001235A2 (de) | 2012-06-29 | 2013-06-24 | Verfahren und anordnung zum steuern einer technischen anlage |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2849986A2 true EP2849986A2 (de) | 2015-03-25 |
EP2849986B1 EP2849986B1 (de) | 2016-04-27 |
Family
ID=48746454
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP13733994.1A Active EP2849986B1 (de) | 2012-06-29 | 2013-06-24 | Verfahren und anordnung zum steuern einer technischen anlage |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP2849986B1 (de) |
CN (1) | CN104411564B (de) |
DE (1) | DE102012211273A1 (de) |
HK (1) | HK1208013A1 (de) |
WO (1) | WO2014001235A2 (de) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102016205119A1 (de) * | 2016-03-29 | 2017-10-05 | Siemens Aktiengesellschaft | System zur Steuerung von Stellwerken im Bahnverkehr |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2036505C3 (de) * | 1970-07-23 | 1978-10-05 | Bayer Ag, 5090 Leverkusen | Kationische Farbstoffe, Verfahren zu deren Herstellung und deren Verwendung |
DE3639788C1 (en) * | 1986-11-21 | 1988-03-03 | Licentia Gmbh | Method and arrangement for input of information into computer systems with secure signalling |
DE10053023C1 (de) * | 2000-10-13 | 2002-09-05 | Siemens Ag | Verfahren zum Steuern eines sicherheitskritischen Bahnbetriebsprozesses und Einrichtung zur Durchführung dieses Verfahrens |
DE10116244C2 (de) * | 2001-03-28 | 2003-05-08 | Siemens Ag | Verfahren zum Betreiben einer Bedienplatzeinrichtung |
AU2002224742A1 (en) * | 2001-11-22 | 2003-06-17 | Siemens Aktiengesellschaft | Method for controlling a safety-critical railway operating process and device for carrying out said method |
DE102007004917B4 (de) * | 2007-01-26 | 2010-09-30 | Siemens Ag | Verfahren und Anordnung zur Ansteuerung und Überwachung von Feldelementen |
DE102007043053B4 (de) * | 2007-09-11 | 2020-07-30 | Db Netz Ag | Signaltechnisch sichere elektronische Elementansteuerung zum Durchführen eines Fahrbetriebs von Schienenfahrzeugen |
-
2012
- 2012-06-29 DE DE102012211273.1A patent/DE102012211273A1/de not_active Withdrawn
-
2013
- 2013-06-24 CN CN201380029120.8A patent/CN104411564B/zh not_active Expired - Fee Related
- 2013-06-24 WO PCT/EP2013/063098 patent/WO2014001235A2/de active Application Filing
- 2013-06-24 EP EP13733994.1A patent/EP2849986B1/de active Active
-
2015
- 2015-09-08 HK HK15108733.8A patent/HK1208013A1/xx unknown
Non-Patent Citations (1)
Title |
---|
See references of WO2014001235A2 * |
Also Published As
Publication number | Publication date |
---|---|
EP2849986B1 (de) | 2016-04-27 |
DE102012211273A1 (de) | 2014-01-02 |
HK1208013A1 (en) | 2016-02-19 |
WO2014001235A2 (de) | 2014-01-03 |
WO2014001235A3 (de) | 2014-06-19 |
CN104411564B (zh) | 2017-01-18 |
CN104411564A (zh) | 2015-03-11 |
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