WO1999065754A1 - Processeur multisysteme, controleur connecte a un processeur multisysteme et systeme de traitement multisysteme - Google Patents
Processeur multisysteme, controleur connecte a un processeur multisysteme et systeme de traitement multisysteme Download PDFInfo
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- WO1999065754A1 WO1999065754A1 PCT/JP1999/003235 JP9903235W WO9965754A1 WO 1999065754 A1 WO1999065754 A1 WO 1999065754A1 JP 9903235 W JP9903235 W JP 9903235W WO 9965754 A1 WO9965754 A1 WO 9965754A1
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- 238000012545 processing Methods 0.000 title claims abstract description 439
- 230000002159 abnormal effect Effects 0.000 description 13
- 238000000034 method Methods 0.000 description 13
- 238000010586 diagram Methods 0.000 description 12
- 230000005540 biological transmission Effects 0.000 description 7
- 238000003745 diagnosis Methods 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 7
- 238000004891 communication Methods 0.000 description 4
- 230000005856 abnormality Effects 0.000 description 3
- 238000007796 conventional method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000012546 transfer Methods 0.000 description 3
- 230000001771 impaired effect Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 238000012790 confirmation Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 230000004807 localization Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
Classifications
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/07—Responding to the occurrence of a fault, e.g. fault tolerance
- G06F11/16—Error detection or correction of the data by redundancy in hardware
- G06F11/18—Error detection or correction of the data by redundancy in hardware using passive fault-masking of the redundant circuits
- G06F11/182—Error detection or correction of the data by redundancy in hardware using passive fault-masking of the redundant circuits based on mutual exchange of the output between redundant processing components
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
- B61L1/00—Devices along the route controlled by interaction with the vehicle or train
- B61L1/20—Safety arrangements for preventing or indicating malfunction of the device, e.g. by leakage current, by lightning
-
- 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
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B9/00—Safety arrangements
- G05B9/02—Safety arrangements electric
- G05B9/03—Safety arrangements electric with multiple-channel loop, i.e. redundant control systems
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/07—Responding to the occurrence of a fault, e.g. fault tolerance
- G06F11/16—Error detection or correction of the data by redundancy in hardware
- G06F11/18—Error detection or correction of the data by redundancy in hardware using passive fault-masking of the redundant circuits
- G06F11/183—Error detection or correction of the data by redundancy in hardware using passive fault-masking of the redundant circuits by voting, the voting not being performed by the redundant components
- G06F11/184—Error detection or correction of the data by redundancy in hardware using passive fault-masking of the redundant circuits by voting, the voting not being performed by the redundant components where the redundant components implement processing functionality
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/07—Responding to the occurrence of a fault, e.g. fault tolerance
- G06F11/16—Error detection or correction of the data by redundancy in hardware
- G06F11/18—Error detection or correction of the data by redundancy in hardware using passive fault-masking of the redundant circuits
- G06F11/187—Voting techniques
Definitions
- Multiprocessor and controller connected to multiprocessor and multiprocessor
- the present invention relates to a multiplex processing apparatus that controls a plurality of processing apparatuses to perform the same processing, and controls a control target apparatus based on a processing result of each processing apparatus.
- the present invention relates to a multiplex processing device and a multiplex processing system that perform efficient data transfer to a controlled device, such as a train control controller that requires high reliability.
- the processing system in the railway field receives "train position”, "pointer status”, and “signal status” in order to control the controllers of traffic signals and switches, and controls the traffic signals and switches according to the relationship. ing.
- These functional configurations are as follows: (1) Information such as the position of the train and the orientation of the point machine is taken in, the chain relation of the taken-in information is judged, and the judgment result and the command are given according to the command from the host device. A processing device that outputs a switch command for a switch or a control command for a traffic signal to the controller. (2) Power control such as switching the switch or lighting a signal lamp in accordance with the command of the processing device. And a controller to perform.
- Controllers that switch signals and switches, and processors that output commands to these controllers, etc., are required to be safe, as failures can quickly lead to train accidents, and therefore require high reliability. Is done.
- the basic concept of these systems is a "fail-safe system" that stops operation while maintaining a safe state.
- a controller such as a fail-safe processing device or a traffic signal
- a processing device having a multiplex system configuration is often used.
- the safety of a multi-processor is based on the idea that the probability that multiple computers fail simultaneously and create the same erroneous information is extremely low.
- one of the multiplexed processing units is used as a main processing unit, and the main processing unit outputs a control command to a signal controller and a subordinate processing unit, and outputs the control command.
- the slave processing unit that has received the request performs control registration to monitor whether this control data is correct, and the traffic signal controller sends the received control command back to the processing device, and receives all the control commands returned from the traffic signal controller.
- the processing unit verifies the validity of the control instruction, and if there is no problem, the main processing unit instructs the traffic signal controller to start control based on the control command previously transmitted to the traffic signal controller.
- the control is executed by issuing a command.
- safety is ensured because control is executed after all systems confirm that the control command created by the main processing unit has been transmitted to the signal controller without fail.
- the number of wires between the multiplex processing device and the controller in this conventional example is several.
- each processing device configured as a multiplex system outputs a control command to a signal or a switch via a parallel line configured by bits corresponding to one-to-one.
- the traffic signal controller that receives the signal makes a majority decision on each bit of the data, and discloses a technology for controlling the switches and traffic lights.
- safety can be ensured by taking the majority of outputs from multiple processing units, so the two-stage control described above is not necessary.
- the number of wires between the multiplex processing device and the controller in this conventional example is usually several hundred.
- a control instruction is sent from a multiprocessor to a controller. Even if it is transmitted, when actually controlling the traffic light controller, the above-described two-step control of control registration and control execution is performed, so that it takes a lot of execution time to actually move the traffic light and the like.
- each of the multiplexed processing units and the traffic signal controller are connected by a parallel line having the same number of bits as the number of control targets such as a traffic signal and a switch. Therefore, when the number of controlled objects increases, the number of wirings increases, so the applicable location is a small station with few controlled objects.
- the two-stage control shown in the first conventional technique requires a long processing time instead of a small number of wirings, and the processing time is short in the method of taking a majority decision by the traffic signal controller shown in the second conventional technique.
- the number of wirings is increased.
- An object of the present invention is to provide a system capable of handling a large station without increasing the number of wires between a multiplex processing device and a controller under the premise that safety is not impaired, and to reduce power, time, and execution time. It is to realize.
- the multiplex processing apparatus of the present invention is configured by a plurality of processing apparatuses each receiving the same input, performing the same processing, and generating and outputting each processing result.
- one arbitrary processing device is defined as a main processing device
- another processing device is defined as a slave processing device
- the main processing device includes a plurality of slave processing devices and a master processing device.
- This problem can be solved by configuring a collection unit that collects processing results and an output unit that outputs the processing results collected by the collection unit to the controller.
- the processing result of the slave processing device and the processing result of the main processing device are collectively output to the controller by the main processing device, the number of wirings can be reduced. Further, since the majority decision or the match is determined on the controller side, the processing time required for data transmission can be reduced as compared with the two-step control.
- each processing device constituting the multiplex system holds a unique encoding key, and all data is encoded by the encoding key and transmitted to the main system.
- the master system also encodes its own data with its own encoding key, and outputs it together with the data from the slave system.
- the processing device that receives the data holds all the decryption keys, decrypts the data using the keys, and performs majority or matching processing. in this case, No matter how the main system fails, if the slave coding key is not available, it will not be possible to falsify the data received from the slave system, as it is, and security will be ensured.
- FIG. 1 is a diagram showing a basic configuration of a multiplex processing apparatus according to the present invention.
- FIG. 2 is a diagram for explaining the processing (operation) of each processing device constituting the multiplex system processing device.
- FIG. 3 is a diagram for explaining the processing (operation) contents of each processing device constituting the multiplex system processing device.
- FIG. 4 is a diagram showing a processing procedure of the controller according to the present invention.
- FIG. 5 is a diagram showing a processing procedure of the controller according to the present invention.
- FIG. 6 is a diagram for explaining in detail the multiplex processing apparatus according to the present invention.
- FIG. 7 is a diagram showing a specific configuration of a failure diagnosis device according to the present invention.
- FIG. 8 shows a format of data exchanged between the multiplex processing apparatus and the controller according to the present invention.
- FIG. 9 shows a data structure transmitted from the multiplex processing device to the controller according to the present invention.
- FIG. 10 shows a format of display data used in the present invention.
- FIG. 11 is a diagram showing a processing flow of the main processing apparatus according to the present invention.
- FIG. 12 is a diagram showing a processing flow of a slave processing apparatus according to the present invention.
- FIG. 13 is a diagram showing a processing flow of the slave processing device according to the present invention.
- FIG. 14 is a diagram showing a processing flow of the main processing unit according to the present invention.
- FIG. 1 shows a multiplex processing system to which the present invention is applied.
- the multiplex processing apparatus 100 receives a control request for controlling a traffic light, a switch, and the like from a higher-level device (not shown) via a line 108 and performs the same processing (operation). It is composed of a plurality of processing devices 101 to 103 that output processing results.
- the controller 107 is a signal or a switch connected to the controller 107, It actually controls the track circuit, etc., receives the processing result transmitted from the multi-processor 100, and actually controls the traffic light and the switch according to the received processing result. is there.
- the multiplex processor 100 and the controller 107 are connected by a line 121 and transfer data and information. As shown at 10, the multiplex processing apparatus 100 and the controller 107 connected via the line 121 can be collectively regarded as the multiplex processing system 10.
- the line 108 also has a role of transmitting various types of sensor information such as a traffic light, a point machine, and a track circuit from the multiplex processing device 100 to the host device.
- the processing devices 101 to 103 are the respective processing devices constituting the multiplex processing device 100, and the processing devices 101 to 103 have the same functional functions. .
- Each of the processing devices 101 to 103 receives the same input (a control request for a signal or a switch from the host device) from the host device via the line 108 and performs the same processing (operation). Thus, the processing result is output.
- an arbitrary one of a plurality of processing devices 101 to 103 constituting the multiplex processing device 100 is defined as a main processing device, and the remaining processing devices are defined as slave processing devices.
- the method of selecting any one of the main processing units can be set by the operator, and the main processing unit can be switched (selected) by time using a timer or the like.
- FIG. 1 the processing in the case where the processing device 101 is selected as the main processing device and the remaining processing devices 102 and 103 become the sub-processing devices will be described.
- each processing unit performs the same processing, which will be described later, by the processing unit 11012 according to the control request received from the higher-level apparatus, and outputs the processing result.
- the slave processing units 102 and 103 send the processing results of the own processing unit to the main processing unit.
- the main processing unit 101 collects the processing results sent from the slave processing units 102 and 103 by the collecting unit 1011, and the processing results of its own processing unit, and outputs the data to the output unit 1101.
- Numeral 013 outputs the processing result from each processing device to the controller 107 via the line 121.
- the multiprocessor 100 issues a switch instruction, a traffic light control instruction, and the like.
- the controller 107 which has received the output from the multiplex processing apparatus 100, issues control commands for each traffic light, a switching machine, etc., based on the transmitted processing result by arithmetic operation such as majority decision described later in detail. Create and output control commands via a parallel line 122 that connects local equipment such as traffic lights, points, track circuits, etc., not shown. Specifically, track circuit information and the like are output. With such a configuration, the controller 107 does not need to ensure the issuance of the control instruction to the multiprocessor 100, so that the processing time can be reduced, and the main system of the multiprocessor 100 can be shortened. Since the processing results are collected by the processing device 101, the number of lines can be reduced.
- Each of the processing units 101 to 103 exchanges information with each other to confirm whether each processing unit is operating normally. Based on this information, which processing unit is By grasping whether an error has occurred in the processing unit and adding to the processing result from each processing device information on whether the operation is normal or abnormal, and sending it to the controller, higher accuracy is achieved. Control can be performed.
- the abnormality determination by this information exchange will be described in detail with reference to FIGS.
- Each processing unit of the multi-processor 100 is transmitted from the controller 107 via the line 121, such as information on “train position”, “pointer status”, “signal status”, and the like. Information is received in advance, and a control command is actually output to the controller based on the information received in advance and a control request from a higher-level device.
- the multiplex processing device 100 requests the setting of a route such that the train 2 shown in FIG. Request), the information received in advance from the controller 107 indicates that a stop signal is issued to prevent a collision because there is a train on line 1. Will be shown. " When a route setting request (control request) for traveling to line 2 is received from a higher-level device, the information received in advance indicates that "there is no train on line 2 and the train is permitted to proceed.” Is output. Also, in FIG.
- the multiplex processing apparatus 100 when the multiplex processing apparatus 100 receives a route setting request (control request) for causing the train 2 to proceed to the second track by a higher-level device, the multiplex processing device 100 A processing result such as "The point machine in front of the train is already reserved for train 1 and cannot proceed to line 2 and a stop signal" is output.
- FIG. 4 The processing performed by the controller 107 will be described with reference to FIGS. 4 and 5.
- FIG. 4 The processing performed by the controller 107 will be described with reference to FIGS. 4 and 5.
- the controller 107 takes in the data from the traffic signal, the turning machine, the control circuit, etc., which are actually arranged in the controller 107 via the wiring 122 via the wiring 122 (step 4 0 1), a redundant code is added to the acquired data (step 4 02), and the data is copied to create three sets of data (step 4 0 3). Then, the three sets of data are respectively coded using the coding keys corresponding to the processing devices 101 to 103 (step 404), and the configuration information is added.
- the data in the format shown in FIG. 9C is assembled (step 405), and the data is transferred to the main processor 101 of the multiplex processor 100.
- the controller 107 copies data for the processing units that make up the multiprocessor, because the data sent to the main processor 101 of the multiprocessor 100 is copied to the main processor. This is to prevent the processing device 101 from being falsified.
- the processing result transmitted from the multiplex processing apparatus 100 is received (step 501), and the processing result is decomposed for each processing apparatus (step 502).
- the data is decrypted using the decryption keys corresponding to the processing devices 101 to 103 (step 503),
- the redundant code of each processing result is confirmed (step 504).
- the processing result in which an abnormality is found is discarded (step 505), and the following processing is continued for the processing result in which no abnormality is found.
- a majority decision is taken for each bit and final control information is determined (step 506).
- the controller 107 outputs a control command to an actual traffic light, a switch, a control circuit, etc. connected to the controller 107 (step 507).
- a traffic signal, a switch, or the like which has received a control command from the controller 107, turns on a signal lamp or switches the switch, based on the control command.
- the data of all the processing devices constituting the multiplex system is once collected in the main system and then transmitted collectively, and further, the data on the operation status of all the processing devices is also transmitted at the same time. .
- the controller transmitted from the multiplex processing device can grasp how many sets of data are transmitted, and can execute a majority decision or a match determination without delay.
- communication is transmitted in a more orderly manner without congestion, and output data of a processing system in which operation is stopped is output. There is no need for the recipient to wait unnecessarily.
- the security of the processing system having the multiplex configuration described in this specification is ensured by mutually confirming that all the processing systems perform exactly the same operation. For example, the judgment that a certain contact is ON is made by the processing systems of the multiplex system in parallel, and the results agree. The coincidence of such operations is confirmed by exchanging input / output data or data in the middle of calculation.
- the process of collecting and transmitting data from the slave processing devices collectively is an operation performed only by the main processing device, and there is no means for guaranteeing its validity.
- the master may erroneously rewrite the data received from the slave, creating erroneous information for Tsuji.
- the processing device that receives the data can detect errors by using a method such as majority decision or match judgment. Therefore, erroneous control is performed.
- FIG. 6 shows a configuration in which failure determination devices 104 to 106 for determining a failure and a plurality of associated circuits are added to the basic configuration described in detail in FIG.
- lines 109 to 111 are used for processing units 101 to 103 to exchange information with each other and to confirm that each processing unit is operating normally. It is provided.
- the processing units 101 to 103 exchange input / output data with each other immediately after data or information is input to each processing unit or immediately before outputting data or information. Confirm with each other by exchanging through one.
- the processing devices 101 to 103 each output a temporary diagnosis result when exchanging data.
- the processing unit 101 receives data and the like from the processing unit 102 and the processing unit 103 and compares the data with its own data. 0 1 is normal, processing unit 102 is normal, processing unit 103 is normal), and if only the data of processing unit 103 is different from its own data, etc.
- processing unit 101 Is normal, processing unit 102 is normal, processing unit 103 is abnormal
- processing unit 101 is normal
- processing unit 103 is normal
- processing unit 1 0 1 is normal
- processor 1 0 2 is abnormal
- processor 1 0 3 is abnormal
- the lines 109 to 111 collect data and the like in a main processing unit described later, control data between the processing units, or observe data. It can also be used to exchange data.
- Failure judging device 104 receives the soundness judgment made by the processing devices 101 to 103, and based on the information, judges the failure of the processing devices 101 to 103. This is a failure determination device for determination.
- the failure judgment device 104 receives the information of the soundness judgment from the processing device 101, and exchanges the information with the failure judgment devices 105, 106 to exchange the information with each other. judge.
- the determination regarding the soundness of the processing device 101 is ⁇ (processing device 101 is normal, processing device 102 is normal, processing device 103 is normal) '(processing device 101 is normal, processing unit 102 is normal, processing unit 103 is abnormal), (processing unit 101 is normal, processing unit 102 is abnormal, processing unit 103 is normal) , (Processing unit 101 is normal, processing unit 102 is abnormal, processing unit 103 is abnormal)).
- the failure determination device 104 receives this information, and transmits information on the processing device 102 to the failure determination device 105 and information on the processing device 103 to the failure determination device 106. Further, information on the processing device 101 is received from the failure determination device 105 and the failure determination device 106. That is, the failure determination device 104 determines that the processing device 101 has determined its own processing system, that the processing device 102 has made a determination regarding the processing device 101, and that the processing device 103 has determined. The three judgment results of the judgment regarding the processing device 101 are received. Here, if two or more judgment results are normal, the processing device 101 is normal, otherwise, the processing device 101 is determined to be abnormal and the judgment result is transmitted to the processing device 101. I do. The processing device 101 continues or stops operating based on the determination result. The failure determination devices 105 and 106 perform the same processing as the failure determination device 104. For example, consider the case where the processing device 101 has failed.
- processor 101 has determined that the entire system is normal in the soundness determination. Since the processing units 102 and 103 are normal, it is determined that the processing unit 101 is out of order. Processing equipment 1 The judgment results obtained in 01 to 103 are sent to failure judgment devices 104 to 106, where the following logical judgment is made.
- the processing unit 101 Since two processing units determined that the processing unit 101 was abnormal, the processing unit 101 was determined to be out of order by majority vote.
- Processing unit 102 determination regarding processing unit 102 Normal
- the processing unit 102 Since three processing units determined that the processing unit 102 was normal, the processing unit 102 was determined to be normal.
- the processing device 103 Since three processing devices determined that the processing device 103 was normal, the processing device 103 was determined to be normal.
- Lines 115, 117, and 119 are used to transmit the information on the soundness judgment of each processing unit sent by the processing units 101 to 103 to the failure diagnosis units 104 to 106. Transmission path.
- Lines 1 16, 1 18, and 120 are used to transmit the information on the failure judgment of each processing unit, which was issued by the failure diagnosis units 104 to 106, to the processing units 101 to 103. It is a transmission line.
- Lines 112 to 114 are communication lines for exchanging information on the soundness judgment of each processing unit, which has been made by the processing units 101 to 103, via the failure judgment unit 104 to 106. It is.
- the line 121 is a communication line created by the multiplex processing unit 100 for transmitting control instructions for the switches and traffic signals to the controller 107 and transmitting information from the controller 107 to the multiplex processing unit 100. is there.
- a soundness judgment determination circuit 1041 is for dividing information relating to the soundness judgment of the processing device 101 according to each of the processing devices 101 to 103.
- Wirings 1044, 1211, and 1141 are used to transmit the results of soundness judgments for the processing units 101, 102, and 103, respectively.
- the OFF signal flows. These signals are determined based on the result determined by the processing device 101.
- Wirings 1 122 and 1 142 are both wires that transmit the result of the soundness judgment for 101, and an ON signal when judged to be sound, and an OFF signal when judged to be unhealthy. Flows.
- the signal flowing through the wiring 1122 is determined based on the result determined by the processing device 102, and the signal flowing through the wiring 1142 is determined based on the result determined by the processing device 103.
- the wirings 111 and 112 are shown as 112 in FIG. In Fig. 7, since the sending and receiving are distinguished from each other, 1 12 is divided into 1 121 for sending information and 1 122 for receiving information. Similarly, the wirings 1141 and 1142 are shown as 1 14 in FIG. 4, but are separated into 1 141 and 1 142 to distinguish between sending and receiving. .
- a wiring 1042 is a circuit that receives a signal from the wirings 1 122 and 1142 and performs an OR operation. With this circuit, an ON output is generated when either or both of 102 and 103 determine that “101 is healthy”.
- Reference numeral 1043 denotes wiring for transmitting the output of 1042 to 1045, and information based on the soundness determination of 102 and 103 regarding 101 flows.
- 1045 is a circuit that receives signals from 1041 and 1042 and performs an AND operation.
- 1041 reports the result of 101's health judgment on 101 itself
- 1042 outputs the result of the soundness judgment regarding 101 made by 102 and 103.
- the output of 1045 is ON only when 101 itself determines that 101 is healthy and either 102 or 103 determines that 101 is healthy, otherwise, Turns off.
- the functions of 104 to 106 the majority of the judgments of the processing devices 101 to: I and 03 are taken, and the failure judgment of 101 to 103 is executed.
- the processing device determined to have no failure is the main system, and the other systems are the subordinate systems. As long as at least one slave is reserved, 100 will continue to operate. In other words, even if one fails during 101-103 operation, one of the remaining two becomes the master system and the other becomes the slave system, and the operation continues, but if two fail, 100 stops working. If a failure occurs in the main system during operation of the three systems, the processing device that had been operating as a slave system is newly assigned to the main system, and operation continues.
- the software of the multiplex processing device operating on the processing devices 101 to 103 generates data for controlling the switches and the traffic lights in the format shown in FIG. 8 (a).
- a switch turns in two directions (localization direction and inversion direction), but the data generates bit string information corresponding to each direction of each switch.
- information corresponding to the red, yellow, and blue light bulbs is generated in the form of bit string information corresponding to each traffic light.
- the meaning of each information is on when control is executed and off when control is not executed.
- a redundant code is added to the data of FIG. 8 (a) to create data of the format shown in FIG. 8 (b).
- the redundant code a parity code, a CRC code, or the like can be used.
- data of the format shown in FIG. 8 (c) is generated using the encoding key individually possessed by each interlocked logical device for the data of FIG. 8 (b).
- a coding method it is possible to use a well-known DES code or the like as an encryption method, but here, a mask data having a sufficient bit length prepared in advance is used for each bit. 2 shows an encoding method for performing an exclusive OR operation on.
- the data of the format shown in FIG. 8 (c) generated by the processing devices 101 to 103 is once collected in the main system via the wirings 109 to 111.
- the processing unit 101 is a main processing unit. If it is, the data in the format shown in FIG. 8 (c) generated by the processing units 102 and 103 is collected in the main processing unit 101.
- the main processing unit 101 creates data in the format shown in FIG. 9 using the collected processing results.
- three data fields are data in which the data of the format of FIG. 8 (c) processed (calculated) by the processing units 101 to 103 are embedded as they are.
- the configuration information includes information on the operation status of the processing devices 101 to 103. For example, if the processing unit 101 fails and the processing units 102 and 103 are operating, this is the location where information such as 101 failure, 102 operation, and 103 operation is stored. .
- the configuration information is summarized, but information indicating the operation state of each processing device may be added for each processing result.
- the data in the format shown in FIG. 9 is transmitted from the main processor 101 to the controller 107 via the line 121.
- the main processing unit 101 receives data in the format shown in FIG. 10 from the controller 107 via the line 121.
- the format of each data field in FIG. 9 is the format in FIG. 8 (c).
- the main processing unit 101 transmits each data of the data field to each of the processing units only via the lines 109 to 111 according to the format information of the format data in FIG. Transmit to the processing device.
- the processing units 101 to 103 receive the data of the format shown in Fig. 8 (c) received via the lines 109 to 111, and To generate data in the format shown in Fig. 8 (b).
- the redundant code is checked.If an error is found, the corresponding message is discarded.If no error is found, the redundant code is removed and data in the format shown in Fig. 8 is generated. I do.
- information on the state of the track circuit is also added in the form of a bit string.
- FIG. 11 shows the processing operation of the main processing unit.
- the main processing unit 101 receives the data in the format shown in FIG. 8 (c) from the controller 107 (step 1 101), and thereafter, based on the configuration information included in the data, the main processing unit and each sub processing unit. (Step 1102), and the data for the slave processing device is transmitted to each slave processing device (Step 1103).
- the data for the main processor is decrypted using the decryption key unique to the processor itself (step 1104), and the validity of the information is checked by checking the added redundant code. Confirm (Step 1 105). If the information is determined to be invalid, the data is discarded (step 1106). If the data is determined to be valid, a control request from the higher-level device is waited for.
- FIG. 12 is a diagram showing a process for data sent from the master processing device to the slave processing device.
- Each of the slave processors 102 and 103 receives the data from the master processor 101 (step 1201), and decrypts the received data using a decryption key that is uniquely held by each of the slave processors (step 1). 202) Then, the validity of the data is determined by checking the added redundant code (step 1203). If the data is determined to be invalid, the data is discarded (step 1204), and if the data is determined to be valid, a control request from the higher-level device is waited for.
- FIG. 13 shows a processing flow from receiving a control request from a higher-level device in a slave processing device to transmitting a processing result to the main processing device.
- the slave processing device Upon receiving the control request from the higher-level device, the slave processing device performs processing (operation) on each control request as described with reference to FIGS. 2 and 3 (step 1301). A redundant code is added to the processing result (step 1302), and the data is coded using a coding key that is unique to each processing device (step 1303). The result data is transmitted to the main processing unit (step 1304).
- FIG. 14 shows a processing flow from receiving a control request from a higher-level device in the main processing device to transmitting a processing result to the controller 107.
- the main processing unit When the main processing unit receives a control request from a higher-level device in the same manner as the slave processing unit, it performs processing (calculation) for each control request as described with reference to FIGS. 2 and 3 (step 14). 0 1). A redundant code is added to the processing result (step 1402), and data is encoded using an encoding key which is uniquely owned by each processing device (step 1403).
- the main processing unit When the main processing unit outputs the processing result of its own processing unit, it receives the encoded processing result transmitted from each slave processing unit (step 1444), and performs each processing in response to the control request of the higher-level unit.
- the processing results of the apparatus are assembled together (step 1405), and the collected processing results are transmitted to the controller 107 (step 1407).
- the present invention can also be applied to a multiplex system configuration of four or more systems. Also in the case of a double system configuration, in the case of a majority decision, the present invention can be applied by adding a priority such as giving priority to the processing result of the main processing unit.
- each data is encoded and transmitted to prevent tampering. If there is no danger of tampering, it is conceivable to transmit the processing result etc. as it is without performing encoding as necessary.
- the majority operation is performed.
- the present invention When the present invention is used, the following effects can be obtained in the communication between the multiplex processing device and the controller on the premise that the security is not impaired. Since the controller determines the processing result processed by the multiprocessor and generates the control instruction, the execution time can be reduced. In addition, even if the number of wires between the multiprocessor and the controller is small and the number of control points is large, the amount of wires does not change, so that it can be used for large stations.
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- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Quality & Reliability (AREA)
- General Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Hardware Redundancy (AREA)
- Train Traffic Observation, Control, And Security (AREA)
- Multi Processors (AREA)
- Processing Of Solid Wastes (AREA)
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP99925359A EP1104735A4 (en) | 1998-06-19 | 1999-06-17 | MULTI-SYSTEM PROCESSOR, CONTROL DEVICE CONNECTED TO A MULTI-SYSTEM PROCESSOR AND MULTI-SYSTEM PROCESSING SYSTEM |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP17250998A JP3346283B2 (ja) | 1998-06-19 | 1998-06-19 | 多重系処理装置及び多重系処理装置に接続されたコントローラ及び多重系処理システム |
JP10/172509 | 1998-06-19 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1999065754A1 true WO1999065754A1 (fr) | 1999-12-23 |
Family
ID=15943289
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP1999/003235 WO1999065754A1 (fr) | 1998-06-19 | 1999-06-17 | Processeur multisysteme, controleur connecte a un processeur multisysteme et systeme de traitement multisysteme |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP1104735A4 (ja) |
JP (1) | JP3346283B2 (ja) |
KR (1) | KR100414031B1 (ja) |
CN (1) | CN1253765C (ja) |
WO (1) | WO1999065754A1 (ja) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4716712B2 (ja) * | 2004-11-09 | 2011-07-06 | 株式会社日立製作所 | 列車ダイヤ評価装置及び列車ダイヤ評価方法 |
JP4961247B2 (ja) * | 2007-04-04 | 2012-06-27 | 株式会社日立製作所 | フェールセーフ制御方式 |
JP2010160712A (ja) * | 2009-01-09 | 2010-07-22 | Renesas Technology Corp | 半導体データ処理デバイス及びデータ処理システム |
JP5574627B2 (ja) * | 2009-06-12 | 2014-08-20 | 三菱重工業株式会社 | 冗長化システム |
US8799707B2 (en) | 2011-06-28 | 2014-08-05 | Mitsubishi Heavy Industries, Ltd. | Redundant system |
JP5975753B2 (ja) * | 2012-06-27 | 2016-08-23 | 株式会社日立製作所 | 情報処理システム、出力制御装置、およびデータ生成装置 |
US10202134B2 (en) * | 2014-03-11 | 2019-02-12 | Mitsubishi Electric Corporation | Train information managing apparatus |
CN111142367B (zh) * | 2018-11-02 | 2022-01-28 | 株洲中车时代电气股份有限公司 | 一种针对铁路安全应用的控制系统 |
Citations (6)
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JPS61109102A (ja) * | 1984-10-31 | 1986-05-27 | Mitsubishi Electric Corp | 多重制御系の制御装置 |
JPS63108401A (ja) * | 1986-10-27 | 1988-05-13 | Mitsubishi Electric Corp | 3重系積分信号のリミツタ方法 |
JPS63188201A (ja) * | 1987-01-30 | 1988-08-03 | Meidensha Electric Mfg Co Ltd | プログラマブルコントロ−ラの二重化装置 |
JPH028938A (ja) * | 1988-06-28 | 1990-01-12 | Nippon Signal Co Ltd:The | 二重系処理装置 |
JPH0336602A (ja) * | 1989-07-03 | 1991-02-18 | Nec Corp | 二重化制御方式 |
JPH04165429A (ja) * | 1990-10-29 | 1992-06-11 | Nippon Signal Co Ltd:The | 情報処理装置 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US556805A (en) * | 1896-03-24 | Metal tube | ||
GB1604154A (en) * | 1978-05-30 | 1981-12-02 | Westinghouse Brake & Signal | Railway control systems |
ZA792482B (en) * | 1978-06-10 | 1980-06-25 | Signal Co Ltd | Railway control signal dynamic output interlocking systems |
GB2022893B (en) * | 1978-06-10 | 1983-01-12 | Westinghouse Brake & Signal | Fault detection |
JPS61150429A (ja) * | 1984-12-24 | 1986-07-09 | Mitsubishi Electric Corp | デ−タ収集処理装置 |
-
1998
- 1998-06-19 JP JP17250998A patent/JP3346283B2/ja not_active Expired - Lifetime
-
1999
- 1999-06-17 KR KR10-2000-7014446A patent/KR100414031B1/ko not_active IP Right Cessation
- 1999-06-17 WO PCT/JP1999/003235 patent/WO1999065754A1/ja not_active Application Discontinuation
- 1999-06-17 CN CNB998076163A patent/CN1253765C/zh not_active Expired - Lifetime
- 1999-06-17 EP EP99925359A patent/EP1104735A4/en not_active Withdrawn
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61109102A (ja) * | 1984-10-31 | 1986-05-27 | Mitsubishi Electric Corp | 多重制御系の制御装置 |
JPS63108401A (ja) * | 1986-10-27 | 1988-05-13 | Mitsubishi Electric Corp | 3重系積分信号のリミツタ方法 |
JPS63188201A (ja) * | 1987-01-30 | 1988-08-03 | Meidensha Electric Mfg Co Ltd | プログラマブルコントロ−ラの二重化装置 |
JPH028938A (ja) * | 1988-06-28 | 1990-01-12 | Nippon Signal Co Ltd:The | 二重系処理装置 |
JPH0336602A (ja) * | 1989-07-03 | 1991-02-18 | Nec Corp | 二重化制御方式 |
JPH04165429A (ja) * | 1990-10-29 | 1992-06-11 | Nippon Signal Co Ltd:The | 情報処理装置 |
Non-Patent Citations (1)
Title |
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See also references of EP1104735A4 * |
Also Published As
Publication number | Publication date |
---|---|
JP2000010940A (ja) | 2000-01-14 |
KR100414031B1 (ko) | 2004-01-07 |
KR20010053028A (ko) | 2001-06-25 |
CN1306482A (zh) | 2001-08-01 |
CN1253765C (zh) | 2006-04-26 |
EP1104735A1 (en) | 2001-06-06 |
EP1104735A4 (en) | 2004-10-06 |
JP3346283B2 (ja) | 2002-11-18 |
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