CN118270065A - Data processing method, device, equipment and medium of train control system supporting line crossing operation - Google Patents
Data processing method, device, equipment and medium of train control system supporting line crossing operation Download PDFInfo
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Abstract
The invention discloses a data processing method, a device, equipment and a medium of a train control system supporting cross-line operation, which relate to the track traffic technology and are applied to the train control system. Further, according to the scheme provided by the embodiment, the master control unit receives external data sent by at least one external unit, performs packet processing on the external data according to the data type of the external data to obtain at least one external data packet, and sends the at least one external data packet to the slave control unit; and the slave control unit performs data processing on at least one external data packet according to the data type. The main control unit and the slave control unit provided by the embodiment communicate and process data, so that the beneficial effect of simplifying the data processing flow is achieved.
Description
Technical Field
The present invention relates to the field of rail traffic technologies, and in particular, to a data processing method, apparatus, device, and medium for a train control system supporting cross-line operation.
Background
With the development of society and the increasing demands for commuting, conventional approaches to improving the operation efficiency of single lines have failed to solve the traffic problem between large urban groups. Then, the existing trunk line and the inter-city railway line resources are utilized to start the urban area train, so that the four-network integration of the trunk line, the inter-city railway line resources, the urban area railway line resources and the urban railway traffic is promoted, and the trend of developing the railway traffic construction in the future is realized.
At present, a China train operation Control System (CHINESE TRAIN Control System, CTCS for short, such as a high-speed rail System or a common rail System in a railway System) and a communication-based train automatic Control System (Communication Based Train Control System, CBTC for short, such as a subway System) are incompatible, and in order to realize the line crossing operation, two sets of vehicle-mounted equipment (comprising the CTCS vehicle-mounted equipment and the CBTC vehicle-mounted equipment) are integrated on each train, namely, the line crossing operation is realized in a mode that the vehicle-mounted equipment is compatible with ground equipment. The type of data that needs to be transferred between a CTCS system and a CBTC system is complex, which makes communication between the two systems complicated and difficult. In addition, the mode of integrating two sets of vehicle-mounted equipment needs to occupy a large installation space, and the cost is high.
Disclosure of Invention
The invention provides a data processing method, a device, equipment and a medium of a train control system supporting cross-line operation, which can improve the scheme of processing data in the existing track traffic technology.
In a first aspect, the present invention provides a data processing method of a train control system supporting an overline operation, the train control system including a master control unit, a slave control unit and at least one external unit, one end of the master control unit being connected to the slave control unit, the other end of the master control unit being connected to the at least one external unit, the method comprising:
The main control unit receives at least one external data sent by the external unit, performs packet processing on the external data according to the data type of the external data to obtain at least one external data packet, and sends the at least one external data packet to the slave control unit;
And the slave control unit processes data of at least one external data packet according to the data type.
Optionally, the master control unit sends at least one external data packet to the slave control unit, including:
The main control unit divides each external data packet into at least one external data according to a bus protocol;
And the master control unit sequentially transmits at least one external data to the slave control units.
Optionally, the slave control unit performs data processing on at least one external data packet according to the data type, including:
the slave control unit acquires the data type and the data transmission direction corresponding to each external data;
The slave control unit performs packet processing on at least one external data according to the data type to obtain at least one external data packet;
and the slave control unit performs data processing on at least one external data packet according to the data transmission direction.
Optionally, the data transmission direction includes unidirectional transmission or bidirectional transmission;
The slave control unit performs data processing on at least one external data packet according to the data transmission direction, and includes:
the slave control unit stores the external data packet with the unidirectional data transmission direction in a corresponding external interface;
or the slave control unit performs data processing on the external data packet with the data transmission direction of bidirectional transmission to obtain an external data packet; the slave control unit sends the external data packet to the master control unit according to the bus protocol, so that the master control unit sends the external data packet to a corresponding external unit.
Optionally, the slave unit sends the external data packet to the master unit according to the bus protocol, including:
the slave control unit divides the external data packet into at least one external data according to the bus protocol;
and the slave control unit sequentially transmits at least one external data to the master control unit.
Optionally, the master control unit sends the external data packet to a corresponding external unit, including:
the main control unit receives at least one external data through the bus protocol, and packs according to the data type corresponding to each external data to obtain at least one external data packet;
the main control unit determines a corresponding external unit according to the data type corresponding to each external data packet;
And the main control unit sends each external data packet to a corresponding external unit so that each external unit receives the corresponding external data.
Optionally, when the master control unit is a CTCS core processing unit, the slave control unit is a CBTC core processing unit;
When the main control unit is a CBTC core processing unit, the slave control unit is a CTCS core processing unit.
In a second aspect, the present invention provides a data processing apparatus of a train control system supporting an overline operation, the apparatus being integrated in the train control system, the train control system including a master control unit, a slave control unit and at least one external unit, one end of the master control unit being connected to the slave control unit, the other end of the master control unit being connected to at least one of the external units, the apparatus comprising:
The data receiving module is used for receiving the external data sent by at least one external unit by the main control unit, carrying out packet processing on the external data according to the data type of the external data, obtaining at least one external data packet, and sending the at least one external data packet to the slave control unit;
and the data processing module is used for the slave control unit to process data of at least one external data packet according to the data type.
In a third aspect, the present invention also provides an electronic device, including:
At least one processor; and
A memory communicatively coupled to the at least one processor; wherein,
The memory stores a computer program executable by the at least one processor, so that the at least one processor can execute the data processing method of the column control system supporting the overline operation according to any embodiment of the present invention.
In a fourth aspect, the present invention further provides a computer readable storage medium, where the computer readable storage medium stores computer instructions, where the computer instructions are configured to cause a processor to implement a data processing method of a column control system supporting cross-line operation according to any one of the embodiments of the present invention when executed.
The data processing scheme of the train control system supporting the line crossing operation provided by the embodiment of the invention comprises a main control unit, a slave control unit and at least one external unit, wherein one end of the main control unit is connected with the slave control unit, and the other end of the main control unit is connected with the at least one external unit. Through the train control system provided by the embodiment, the main control unit and the slave control unit can share at least one external unit, so that the purposes of reducing the installation space and saving the cost can be achieved when the train control system provided by the embodiment is integrated at the vehicle-mounted end. Further, according to the scheme provided by the embodiment, the master control unit receives external data sent by at least one external unit, performs packet processing on the external data according to the data type of the external data to obtain at least one external data packet, and sends the at least one external data packet to the slave control unit; and the slave control unit performs data processing on at least one external data packet according to the data type. The main control unit and the slave control unit provided by the embodiment communicate and process data, so that the beneficial effect of simplifying the data processing flow is achieved.
It should be understood that the description in this section is not intended to identify key or critical features of the embodiments of the invention or to delineate the scope of the invention. Other features of the present invention will become apparent from the description that follows.
Drawings
In order to more clearly illustrate the technical solutions of the present invention, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present invention and should not be considered as limiting the scope, and that other related drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a train control system according to an embodiment of the present invention;
FIG. 2 is a schematic flow chart of a data processing method of a train control system supporting cross-line operation according to an embodiment of the present invention;
FIG. 3 is a schematic diagram of another configuration of a train control system according to an embodiment of the present invention;
FIG. 4 is a schematic diagram of a data processing apparatus supporting a line-crossing system according to an embodiment of the present invention;
Fig. 5 is a schematic structural diagram of an electronic device according to an embodiment of the present invention.
Detailed Description
In order that those skilled in the art will better understand the present invention, a detailed description of the same will be given below with reference to the accompanying drawings in this embodiment, and it is apparent that the described embodiment is only a partial embodiment of the present invention, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present invention without making any inventive effort, shall fall within the scope of the present invention.
It should be noted that the terms "first," "second," and the like in the description and the claims of the present invention and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate such that the embodiments of the invention described herein may be implemented in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
The invention is described in further detail below with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting thereof. It should be further noted that, for convenience of description, only some, but not all of the structures related to the present invention are shown in the drawings.
FIG. 1 is a schematic diagram of a train control system according to an embodiment of the present invention; the embodiment can be suitable for the situation of data processing when the train control system supporting the overline operation provided by the embodiment is applied to the technical field of rail transit.
Specifically, referring to fig. 1, the train control system 100, i.e. a train operation control system, provided in the present embodiment includes a master control unit 110, a slave control unit 120, and at least one external unit 130. One end of the master control unit 110 is connected to the slave control unit 120, and the other end of the master control unit 110 is connected to at least one external unit 130. The column control system 100 provided in this embodiment is shared by the master control unit 110 and the slave control unit 120 with at least one external unit 130, so that when the column control system provided in this embodiment is integrated at the vehicle-mounted end, the purposes of reducing the installation space and saving the cost can be achieved.
In this embodiment, the slave control unit is used as an independent module, and is installed in the vehicle-mounted device integrated with the master control unit, and the input and output information required by controlling the vehicle is forwarded to the slave control unit through the master control unit.
Referring to fig. 2, fig. 2 is a schematic flow chart of a data processing method of a train control system supporting cross-line operation according to the present invention. The method may be performed by a data processing apparatus of a column control system supporting cross-line operation, which apparatus may be implemented in hardware and/or software, which apparatus may be configured in the column control system. The data processing method for supporting the line-crossing operation of the train control system provided in the embodiment specifically includes the following steps:
S210, the main control unit receives external data sent by at least one external unit, performs packet processing on the external data according to the data type of the external data, obtains at least one external data packet, and sends the at least one external data packet to the slave control unit.
In this embodiment, at least one external unit is connected to the corresponding external device, and the number of external units corresponds to the number of external devices one by one. When the external equipment has corresponding control demands, a control instruction containing external data is generated according to the control demands, the control instruction is further sent to a corresponding external unit, and the external unit further sends the received control instruction to the main control unit.
The external equipment can comprise a man-machine interaction interface, a train, a vehicle-mounted transponder and the like, so that the corresponding external units can be a man-machine interface unit, a train interface unit, a transponder information processing unit and the like. The man-machine interaction interface is used for a driver to send a vehicle control instruction through the interaction interface; the train interface unit is used for controlling the transmission of input and output data generated during the running of the train; the transponder information processing unit is used for controlling the ground transponder to receive transponder messages and send the transponder messages. The type and number of specific external units and the type and number of corresponding external devices are not limited herein.
In this embodiment, sharing of at least one external unit is achieved by the master control unit and the slave control unit, and the technical purpose is to enable the slave control unit to receive external data sent by the external unit. Therefore, in the data processing scheme of the column control system supporting the line crossing operation provided in this embodiment, first, the master control unit receives external data sent by at least one external unit, when the master control unit receives the external data, there is a case that at least one external unit simultaneously sends corresponding external data, and then the master control unit packs the external data according to a data type of each external data, so as to obtain an external data packet corresponding to at least one external unit, and then sends the at least one external data packet to the slave control unit.
Because multiple external data corresponding to multiple external units need to be transmitted between the master control unit and the slave control unit, in order to facilitate the master control unit to distinguish the external data sent by each external unit, one external unit corresponds to one data type, when the master control unit receives the external data sent by the external unit, the external data is sent in a transmission protocol mode, and the current external data at least comprises three parts, namely data types, data lengths and data contents.
In this embodiment, the master control unit may perform packet processing on external data according to the data type, so as to obtain a complete external data packet corresponding to each external unit, and thus send the received at least one external data packet to the slave control unit, so that the slave control unit performs corresponding processing operation on the at least one external data packet.
In a preferred embodiment, the master unit sends at least one external data packet to the slave unit by: the main control unit divides each external data packet into at least one external data according to a bus protocol; the master control unit sequentially transmits at least one external data to the slave control units. Because the bus protocol can only transmit data with limited length at a time, each external data packet needs to be divided into at least one external data according to the length of the bus protocol, and the master control unit sequentially transmits the at least one external data to the slave control units according to the division sequence through the bus protocol. The current bus protocol may be implemented by a serial block protocol (Serial Block Protocol, SBP) bus.
S220, the slave control unit processes data of at least one external data packet according to the data type.
For all external data packets received by the slave unit, the slave unit may perform different processing according to the data type. The specific processing manner may be that, in this embodiment, according to the data transmission direction of the external data packet sent by the external unit, unidirectional transmission and bidirectional transmission may be divided. The unidirectional transmission means that the main control unit receives at least one external data packet generated by the external unit, and after the main control unit sends the at least one external data packet to the slave control unit, the slave control unit does not need to feed back the external data packet of unidirectional transmission, such as data of a storage type, and the data packet is used for storing the data packet sent by the corresponding request interface, such as data corresponding to the speed measuring and distance measuring unit, by the slave control unit; the bidirectional transmission means that on the basis of unidirectional data transmission, the slave control unit further needs to perform corresponding data processing on the received external data packet, namely, the slave control unit needs to send the external data packet to the master control unit, and further control on the target external unit is achieved through the master control unit. That is, according to the data transmission directions corresponding to the external units, the slave control unit performs targeted processing on the external data packets.
In a preferred embodiment, the step S220 may be implemented as follows: the slave control unit acquires the data type and the data transmission direction corresponding to each external data; the slave control unit performs packet processing on at least one external data according to the data type to obtain at least one external data packet; the slave control unit processes data of at least one external data packet according to the data transmission direction. Illustratively, the external unit and the corresponding data types provided in the present embodiment may include: the data type corresponding to the speed measuring and distance measuring unit is SDP data type; the data type corresponding to the transponder information handling unit is a BTM data type. The transmission direction of the external data packet corresponding to the SDP data type and the BTM data type is unidirectional transmission; the DMI data type corresponding to the man-machine interface unit, the IO data type corresponding to the train interface unit, the ATO data type corresponding to the automatic driving (ATO) unit and the wireless transmission data type corresponding to the wireless transmission unit, namely the ZC data type of the zone control center, the CI data type of the computer interlocking and the ATS data type of the automatic train supervision system. The wireless transmission Unit includes a long term evolution (Long Term Evolution, LTE for short) network, a Train access Unit (TRAIN ACCESS Unit, TAU for short), and a Train Radio Uint for short, where each communication network or Unit corresponds to ZC, CI, ATS data. The data transmission directions of the data packets respectively corresponding to the DMI data type, the IO data type, the ATO data type and the wireless transmission data type are bidirectional transmission. The external data type corresponding to each external unit is not limited herein.
The BTM data is a BTM data input interface which is sent to the upper layer application logic of the slave control unit, and simulates the slave control unit to receive a transponder message from the ground transponder; SDP data is an SDP data input interface which is sent to the upper layer application logic of the slave control unit, and the slave control unit is simulated to calculate the information such as the speed, the position and the direction of the train through sensor signals such as speed transmission, radar and the like; the DMI data are of the type of distinguishing the DMI data through a port, and the DMI data are sent to a DMI data input interface of upper layer application logic of the slave control unit, so that the slave control unit is simulated to acquire DMI input information from the DMI; the IO data is an IO data input interface which is sent to the upper layer application logic of the slave control unit, and the simulation slave control unit acquires IO input information from the train; the ATO data is an ATO data input interface which is sent to the upper layer application logic of the slave control unit, and the slave control unit is simulated to receive the automatic driving related information from the ATO unit. The ZC data is a ZC data input interface which is sent to the upper layer application logic of the slave control unit, and the slave control unit is simulated to receive wireless data from the ground ZC. The CI data is a CI data input interface which is sent to the upper layer application logic of the slave control unit, and the slave control unit is simulated to receive wireless data from the ground CI. The ATS data is an ATS data input interface which is sent to the upper layer application logic of the slave control unit, and the slave control unit is simulated to receive wireless data from the ground ATS.
Specifically, in this embodiment, the manner in which the slave control unit performs data processing on at least one external data packet according to the data transmission direction is: and the slave control unit stores the external data packet with the data transmission direction of unidirectional transmission in the corresponding external interface. In the above embodiment, the received SDP data type and BTM data type may be stored in the corresponding tachometer unit interface and transponder information processing interface.
Optionally, the slave control unit performs data processing on the external data packet with the bidirectional transmission direction to obtain an external data packet; the slave control unit sends the external data packet to the master control unit according to the bus protocol, so that the master control unit sends the external data packet to the corresponding external unit. Illustratively, such as when the external data packet is a request for a grade switch, the external data packet should include the distance of the current location of the train to the grade switch point and a speed threshold at the grade switch point; when the slave control unit receives the external data packet, the current speed of the train, the state of the train and other information need to be fed back to the master control unit. In this embodiment, the slave unit needs to send the external data packet to the master unit.
On the basis of the above embodiment, after the main control unit receives the external data packets corresponding to the speed measuring and distance measuring unit and the transponder information processing unit, the main control unit further needs to process the external data packets corresponding to other external units (the man-machine interface unit, the train interface unit, the automatic driving unit and the wireless transmission unit).
In a further preferred embodiment, the slave unit sends the external data packet to the master unit according to the bus protocol by the current way: the slave control unit divides the external data packet into at least one external data according to a bus protocol; the slave control unit sequentially transmits at least one external data to the master control unit. In this embodiment, the process and the manner of sending the external data packet to the master control unit by the slave control unit according to the bus protocol are the same as the process and the manner of sending the at least one external data packet to the slave control unit by the master control unit in the above embodiment, and are not described herein.
In the above embodiment, after the main control unit receives the external data packet, the main control unit processes the external data packet by the current manner: the main control unit receives at least one external data through a bus protocol, and packs according to the data type corresponding to each external data to obtain at least one external data pack, wherein one external unit corresponds to one data type; the main control unit determines a corresponding external unit according to the data type corresponding to each external data packet; the main control unit sends each external data packet to the corresponding external unit so that each external unit receives the corresponding external data.
The data types are DMI data type, IO data type, ATO data type and wireless transmission data type contained in the external data type. The main control unit processes a plurality of external data packets circularly every cycle, classifies the received external data packets according to data types, and places different types of external data packets at the inlets of different external interfaces respectively.
In the current step, the manner that the main control unit places different types of external data packets at the inlets of different external interfaces is as follows: the DMI data is the DMI data of the slave control unit distinguished by the corresponding port for the upper layer application of the master control unit, and the DMI data is sent to the DMI equipment by the appointed port, so that the data sent from the slave control unit to the DMI is simulated, and the interface display in the slave control unit is realized when the slave control unit controls the vehicle; the IO data is a unified output IO interface command applied to the upper layer of the main control unit, when the slave control unit controls the train, the IO output signal of the slave control unit is sent to the train, and the slave control unit is simulated to send data to the train, so that the safety monitoring of the train when the slave control unit controls the train is realized; the ATO data is the ATO data of the main control unit directly transmitted to the ATO unit by the auxiliary control unit, and the data transmitted to the ATO by the auxiliary control unit is simulated, so that ATO automatic driving when the auxiliary control unit controls the vehicle is realized. The ZC wireless data is that the upper layer application of the main control unit does not need to process the ZC data, so the ZC data is directly forwarded to the wireless transmission unit through the bottom layer, the wireless transmission unit sends the ZC wireless data to the ground wireless device ZC through the wireless communication device, and the simulation main control unit sends the wireless data to the ZC. The CI data is directly forwarded to the wireless transmission unit through the bottom layer because the upper layer application of the main control unit does not need to process the CI data, the wireless transmission unit sends the CI data to the ground wireless device CI through the wireless communication device, and the simulation slave control unit sends the wireless data to the CI; the ATS data is directly forwarded to the wireless transmission unit through the bottom layer because the upper layer application of the main control unit does not need to process the ATS data, the wireless transmission unit sends the ATS data to the ground wireless device through the wireless communication device, and the simulation slave control unit sends the wireless data to the ATS.
In another preferred embodiment, when the master control unit is a CTCS core processing unit, the slave control unit is a CBTC core processing unit; when the main control unit is a CBTC core processing unit, the slave control unit is a CTCS core processing unit. In the scheme provided by the embodiment, the high integration of the large-iron CTCS system and the subway CBTC system can be realized.
Specifically, referring to fig. 3, fig. 3 is another schematic structural diagram of the train control system according to the embodiment of the present invention, specifically, when the master control unit is a CTCS core processing unit, the slave control unit is a CBTC core processing unit. Taking a main control unit as a CTCS core processing unit and a slave control unit as a CBTC core processing unit as an example, the CTCS core processing unit forwards all input and output information required by controlling the CBTC core processing unit through vehicle-mounted equipment of various systems, so that the requirement of safe control of the CBTC core processing unit is met, and the CTCS core processing unit and the CBTC core processing unit share at least one external unit, thereby meeting the requirement of installation space and reducing equipment cost. And furthermore, the CBTC core processing unit and the CTCS core processing unit respectively realize the functions of receiving input information and sending output information through a train control system compatible with a CBTC system, so that the device is easy to maintain, and the hardware cost is saved.
The data processing scheme of the train control system supporting the line crossing operation can realize the mutual transmission of control and state information between the master control unit and the slave control unit, and realize the grade switching function and the abnormality detection function. In the process of realizing each function, the data content contained in the external data packet transmitted by the main control unit to the auxiliary control unit at least comprises a serial number, the auxiliary control unit pre-enabling, the auxiliary control unit enabling, the main control unit working state, the distance from the current position to the grade switching point, the target speed value of the main control unit at the grade switching point, the effective state of the switching point confirmation area, the grade of the forenotice switching, the current grade, the ATO exit command, the main control unit running mode and the like; when the slave control unit sends an external data packet to the master control unit, the data content contained in the external data packet at least comprises a serial number, a vehicle control state of the slave control unit, an operating state of the slave control unit, a braking state of the slave control unit, a distance from a current position to a grade switching point, a target speed value at the grade switching point of the slave control unit, a grade switching request, a current grade, an ATO permission state of the slave control unit, an operation mode of the slave control unit and the like. The content of the external data packet is not limited herein, and the actual application is based on the specific external data packet.
In one example of an application scenario, when the train control system is specifically applied, there is a case that the CTCS grade is switched to the CBTC grade, that is, when the train runs from the subway line to the subway line, the CTCS grade is switched to the CBTC grade, and a specific grade switching flow is as follows:
1) When the CTCS core processing unit receives the grade switching forenotice information, the CTCS core processing unit sends the distance from the current position to the grade switching point to the CBTC core processing unit, and the DMI (man-machine interface unit) prompts the text of the CBTC grade switching forenotice and the voice of grade switching. After the CBTC core processing unit receives the distance from the current position to the grade switching point, the distance from the current position to the grade switching point and the alarm speed value at the grade switching point of the CBTC core processing unit are sent to the CTCS core processing unit.
2) In the full mode (including the automatic driving mode in the full mode), the CTCS core processing unit merges the CBTC switch point warning speed as a limiting speed after the switch point to the level shift point.
3) After the train enters a switching confirmation area, the DMI prompts a CBTC inter-stage switching confirmation text and inter-stage switching voice; if the driver fails to confirm the CBTC inter-stage transfer confirmation text within a set time, the CTCS core processing unit outputs the maximum service brake, and after the driver confirms, the maximum service brake is relieved.
4) After the train passes through the switching point, if certain conditions are met at the same time, the CTCS core processing unit sends CBTC pre-enabling effectiveness to the CBTC core processing unit. If certain conditions are met at the same time, the CBTC core processing unit sends CBTC control states to the CTCS core processing unit to be effective.
5) If the CTCS core processing unit receives that the CBTC control state is effective within the effective starting time of CBTC pre-enabling, the CTCS core processing unit sends the CBTC enabling to be effective to the CBTC core processing unit, the DMI is switched to the CBTC display style, and a text of' entering the CBTC control is prompted to complete grade conversion. If the CBTC control state is not received to be valid within the set time, the CBTC pre-enabling invalidation is sent to the CBTC core processing unit, and the DMI prompts a CBTC control overtime text to maintain the CTCS grade.
6) Upon completion of the CTCS core to CBTC grade transition, the CTCS core relieves emergency braking, maximum service braking, SB4 braking, SB1 braking, and the cut traction command is withdrawn. Converting the frequency locking mode into an automatic frequency locking mode; outputting a command for canceling the magnetic cylinder passing neutral section prohibition, and not executing the automatic passing neutral section function; and clearing the level transition point valid information.
In another application scenario, when a train runs from a subway line to a large railway line, the CBTC grade is required to be switched to the CTCS grade, and the specific grade switching flow is as follows:
1) When the CTCS core processing unit receives the grade switching forenotice information, the CTCS core processing unit sends the grade of forenotice switching, the distance from the current position to the grade switching point and the allowable speed value of the CTCS core processing unit at the grade switching point to the CBTC core processing unit.
2) The CBTC core processing unit merges the switching point allowable speed of the CTCS core processing unit into a grade switching point as a limiting speed after the switching point according to the grade of the forecast switching.
3) After the train enters the switching confirmation area, the DMI prompts the CTCS core processing unit to correspondingly change the confirmation text between stages; if the driver fails to confirm the grade switching text within a set time, the CBTC core processing unit outputs emergency braking, and after stopping and the driver confirms, the braking is relieved.
4) After the train passes through the switching point, if certain conditions are met at the same time, the CTCS core processing unit sends CBTC pre-enabling invalidation to the CBTC core processing unit, CBTC enabling invalidation is carried out, the DMI is switched into a CTCS display style, and entering of CTCS control text is prompted.
5) And after the CBTC core processing unit detects that CBTC pre-enabling invalidation or CBTC enabling invalidation, the CBTC control state invalidation is sent to the CTCS core processing unit to finish grade conversion.
6) When the CBTC is converted into the CTCS grade, the CTCS core processing unit relieves emergency braking, maximum service braking, SB4 braking and SB1 braking, and withdraws the cut traction command; if the track data exists, converting the frequency locking mode into a transponder frequency locking mode, and if the track data does not exist, converting the frequency locking mode into an autonomous frequency locking mode; outputting a command for prohibiting the magnetic cylinder from passing through the phase separation if the phase separation information exists, and executing automatic passing through the phase separation according to the phase separation information; and outputting a command for canceling the forbidden magnetic cylinder over-phase separation if the phase separation information is not available. And clearing the level transition point valid information.
In another application scenario, in the train control system provided in this embodiment, the CTCS core processing unit and the CBTC core processing unit may further implement an anomaly monitoring function, which is specifically as follows:
1) The CTCS core processing unit monitors the CBTC control state, and when the CTCS core processing unit controls the grade, if the CBTC control state is valid and exceeds the tolerance time, alarm information is recorded, and grade conversion from the CTCS core processing unit to the CBTC is forbidden; and when the CBTC grade is in the CBTC grade, if the CBTC control state is invalid and exceeds the tolerance time, performing exception handling.
2) The CTCS core processing unit monitors the working state of the CBTC, and when the CTCS core processing unit controls the grade, if the working state of the CBTC is invalid and exceeds the tolerance time, alarm information is recorded, and grade conversion from the CTCS core processing unit to the CBTC is forbidden; at the CBTC level, if CBTC operating state is invalid and the tolerance time is exceeded, exception handling is performed.
3) The CTCS core processing unit monitors the control level of the CBTC, and if the control level sent by the CBTC core processing unit is inconsistent with the control level of the current CTCS core processing unit and exceeds the tolerance time, the abnormality processing is carried out.
4) The CTCS core processing unit monitors the serial number of the CBTC class data packet, and if the serial number sent by the received CBTC core processing unit is unchanged and exceeds the tolerance time, the abnormality processing is carried out.
5) The CTCS core processing unit sends the current control vehicle mode to the ATO software, monitors the control vehicle mode fed back by the ATO software, and sends out an ATO exit command if the control vehicle mode is inconsistent and the tolerance time is exceeded.
6) The CTCS core processing unit withdraws the exit ATO command if it detects that the control vehicle is inconsistent to consistent for a certain period of time.
7) After detecting the ATO exit command, the CTCS core processing unit and the CBTC core processing unit clear the ATO permission, and after the ATO exit command is withdrawn, the condition for giving the ATO permission is determined again.
8) At the CBTC level, exception handling occurs if the CBTC core processing unit detects that CBTC pre-enable is inactive and CBTC enable is active or that CBTC pre-enable is active and CBTC enable is inactive.
9) The CBTC core processing unit monitors the working state of the CTCS core processing unit, and if the working state of the CTCS core processing unit is invalid and exceeds the tolerance time, the CBTC core processing unit performs exception handling.
10 The CBTC core processing unit monitors the vehicle control grade of the CTCS core processing unit, and if the vehicle control grade sent by the CTCS core processing unit is inconsistent with the vehicle control grade of the current CBTC core processing unit and exceeds the tolerance time, the abnormality processing is carried out.
11 The CBTC core processing unit monitors the serial number of the grade data packet of the CTCS core processing unit, and if the serial number sent by the CTCS core processing unit is unchanged and exceeds the tolerance time, the abnormality processing is carried out.
The data processing method of the train control system supporting the overline operation is applied to the train control system, the train control comprises a main control unit, a slave control unit and at least one external unit, one end of the main control unit is connected with the slave control unit, and the other end of the main control unit is connected with the at least one external unit. Through the train control system provided by the embodiment, the main control unit and the slave control unit can share at least one external unit, so that the purposes of reducing the installation space and saving the cost can be achieved when the train control system provided by the embodiment is integrated at the vehicle-mounted end. Further, according to the scheme provided by the embodiment, the master control unit receives external data sent by at least one external unit, performs packet processing on the external data according to the data type of the external data to obtain at least one external data packet, and sends the at least one external data packet to the slave control unit; and the slave control unit performs data processing on at least one external data packet according to the data type. The main control unit and the slave control unit provided by the embodiment communicate and process data, so that the beneficial effect of simplifying the data processing flow is achieved.
Fig. 4 is a schematic structural diagram of a data processing apparatus for a column control system supporting an overline operation, which is provided by the present invention, and the apparatus is suitable for executing the data processing method for a column control system supporting an overline operation provided by the present embodiment. The device is integrated in a train control system, the train control system comprises a main control unit, a slave control unit and at least one external unit, one end of the main control unit is connected with the slave control unit, and the other end of the main control unit is connected with the at least one external unit. As shown in fig. 4, the apparatus includes a data receiving module 410 and a data processing module 420, where:
The data receiving module 410 is configured to receive external data sent by at least one external unit, perform packet processing on the external data according to a data type of the external data, obtain at least one external data packet, and send the at least one external data packet to the slave control unit;
The data processing module 420 is configured to perform data processing on at least one external data packet according to the data type by the slave control unit.
The data processing device provided by the embodiment is applied to a train control system, the train control comprises a main control unit, a slave control unit and at least one external unit, one end of the main control unit is connected with the slave control unit, and the other end of the main control unit is connected with the at least one external unit. Through the train control system provided by the embodiment, the main control unit and the slave control unit can share at least one external unit, so that the purposes of reducing the installation space and saving the cost can be achieved when the train control system provided by the embodiment is integrated at the vehicle-mounted end. Further, according to the scheme provided by the embodiment, the master control unit receives external data sent by at least one external unit, performs packet processing on the external data according to the data type of the external data to obtain at least one external data packet, and sends the at least one external data packet to the slave control unit; and the slave control unit performs data processing on at least one external data packet according to the data type. The main control unit and the slave control unit provided by the embodiment communicate and process data, so that the beneficial effect of simplifying the data processing flow is achieved.
In one embodiment, the data receiving module 410 includes a data dividing unit and a data transmitting unit, wherein:
The data dividing unit is used for dividing each external data packet into at least one external data according to a bus protocol by the main control unit;
the data transmitting unit is used for sequentially transmitting at least one external data to the slave control unit by the master control unit.
In one embodiment, the data processing module 420 includes a data acquisition unit and a data processing unit, where:
the data acquisition unit is used for acquiring the data type and the data transmission direction corresponding to each external data from the slave control unit;
the data processing unit is used for carrying out packet processing on at least one external data according to the data type by the slave control unit to obtain at least one external data packet;
And the data processing unit is also used for carrying out data processing on at least one external data packet according to the data transmission direction by the slave control unit.
In an embodiment, the data transmission direction includes unidirectional transmission or bidirectional transmission.
The data processing unit is specifically used for storing the external data packet with the unidirectional data transmission direction in the corresponding external interface by the slave control unit;
or the slave control unit performs data processing on the external data packet with the data transmission direction of bidirectional transmission to obtain an external data packet; the slave control unit sends the external data packet to the master control unit according to the bus protocol, so that the master control unit sends the external data packet to a corresponding external unit.
In one embodiment, the data processing unit is specifically configured to divide the external data packet into at least one external data according to the bus protocol by the slave control unit; and the slave control unit sequentially transmits at least one external data to the master control unit.
In an embodiment, the data processing unit is specifically further configured to receive at least one external data through the bus protocol by using the master control unit, and perform grouping according to a data type corresponding to each external data to obtain at least one external data packet; the main control unit determines a corresponding external unit according to the data type corresponding to each external data packet; and the main control unit sends each external data packet to a corresponding external unit so that each external unit receives the corresponding external data.
In one embodiment, when the master control unit is a CTCS core processing unit, the slave control unit is a CBTC core processing unit; when the main control unit is a CBTC core processing unit, the slave control unit is a CTCS core processing unit.
It will be apparent to those skilled in the art that, for convenience and brevity of description, only the above-described division of the functional modules is illustrated, and in practical application, the above-described functional allocation may be performed by different functional modules according to needs, i.e. the internal structure of the apparatus is divided into different functional modules to perform all or part of the functions described above. The specific working process of the functional module described above may refer to the corresponding process in the foregoing method embodiment, and will not be described herein.
The invention also provides an electronic device, which comprises: at least one processor; and a memory communicatively coupled to the at least one processor; the memory stores a computer program executable by the at least one processor, so that the at least one processor can execute the data processing method of the train control system supporting the cross-line operation according to any embodiment of the present invention.
The invention also provides a computer readable medium, wherein the computer readable storage medium stores computer instructions, and the computer instructions are used for enabling a processor to implement the data processing method of the train control system supporting the line crossing operation according to any embodiment of the invention when being executed.
Referring now to FIG. 5, there is illustrated a schematic diagram of a computer system 500 suitable for use in implementing the electronic device of the present invention. The electronic device shown in fig. 5 is only one example, and should not impose any limitation on the functions and the scope of use of the present embodiment.
As shown in fig. 5, the computer system 500 includes a Central Processing Unit (CPU) 501, which can perform various appropriate actions and processes according to a program stored in a Read Only Memory (ROM) 502 or a program loaded from a storage section 508 into a Random Access Memory (RAM) 503. In the RAM 503, various programs and data required for the operation of the system 500 are also stored. The CPU 501, ROM 502, and RAM 503 are connected to each other through a bus 504. An input/output (I/O) interface 505 is also connected to bus 504.
The following components are connected to the I/O interface 505: an input section 506 including a keyboard, a mouse, and the like; an output portion 507 including a Cathode Ray Tube (CRT), a Liquid Crystal Display (LCD), and the like, and a speaker, and the like; a storage portion 508 including a hard disk and the like; and a communication section 509 including a network interface card such as a LAN card, a modem, or the like. The communication section 509 performs communication processing via a network such as the internet. The drive 510 is also connected to the I/O interface 505 as needed. A removable medium 511 such as a magnetic disk, an optical disk, a magneto-optical disk, a semiconductor memory, or the like is mounted on the drive 510 as needed so that a computer program read therefrom is mounted into the storage section 508 as needed.
In particular, according to embodiments of the present disclosure, the processes described above with reference to flowcharts may be implemented as computer software programs. For example, embodiments of the present disclosure include a computer program product comprising a computer program embodied on a computer readable medium, the computer program comprising program code for performing the method shown in the flow chart. In such an embodiment, the computer program may be downloaded and installed from a network via the communication portion 509, and/or installed from the removable media 511. The above-described functions defined in the system of the present invention are performed when the computer program is executed by a Central Processing Unit (CPU) 501.
The computer readable medium shown in the present invention may be a computer readable signal medium or a computer readable storage medium, or any combination of the two. The computer readable storage medium can be, for example, but not limited to, an electronic, magnetic, optical, electromagnetic, infrared, or semiconductor system, apparatus, or device, or a combination of any of the foregoing. More specific examples of the computer-readable storage medium may include, but are not limited to: an electrical connection having one or more wires, a portable computer diskette, a hard disk, a Random Access Memory (RAM), a read-only memory (ROM), an erasable programmable read-only memory (EPROM or flash memory), an optical fiber, a portable compact disc read-only memory (CD-ROM), an optical storage device, a magnetic storage device, or any suitable combination of the foregoing. In the context of this document, a computer readable storage medium may be any tangible medium that can contain, or store a program for use by or in connection with an instruction execution system, apparatus, or device. In the present invention, however, the computer-readable signal medium may include a data signal propagated in baseband or as part of a carrier wave, with the computer-readable program code embodied therein. Such a propagated data signal may take any of a variety of forms, including, but not limited to, electro-magnetic, optical, or any suitable combination of the foregoing. A computer readable signal medium may also be any computer readable medium that is not a computer readable storage medium and that can communicate, propagate, or transport a program for use by or in connection with an instruction execution system, apparatus, or device. Program code embodied on a computer readable medium may be transmitted using any appropriate medium, including but not limited to: wireless, wire and cable, etc., or any suitable combination of the foregoing.
The flowcharts and block diagrams in the figures illustrate the architecture, functionality, and operation of possible implementations of systems, methods and computer program products according to various embodiments of the present invention. In this regard, each block in the flowchart or block diagrams may represent a module, segment, or portion of code, which comprises one or more executable instructions for implementing the specified logical function(s). It should also be noted that, in some alternative implementations, the functions noted in the block may occur out of the order noted in the figures. For example, two blocks shown in succession may, in fact, be executed substantially concurrently, or the blocks may sometimes be executed in the reverse order, depending upon the functionality involved. It will also be noted that each block of the block diagrams or flowchart illustration, and combinations of blocks in the block diagrams or flowchart illustration, can be implemented by special purpose hardware-based systems which perform the specified functions or acts, or combinations of special purpose hardware and computer instructions.
The modules and/or units involved in the present embodiment may be implemented by software, or may be implemented by hardware. The described modules and/or units may also be provided in a processor, e.g., may be described as: a processor includes a data receiving module and a data processing module. The names of these modules do not constitute a limitation on the module itself in some cases.
As another aspect, the present invention also provides a computer-readable medium that may be contained in the apparatus described in the above embodiments; or may be present alone without being fitted into the device. The computer readable medium carries one or more programs, and when the one or more programs are executed by the device, the device comprises a master control unit, a slave control unit and at least one external unit, so that the master control unit receives external data sent by at least one external unit, performs packet processing on the external data according to the data type of the external data to obtain at least one external data packet, and sends the at least one external data packet to the slave control unit; and the slave control unit processes data of at least one external data packet according to the data type.
According to the technical scheme provided by the embodiment of the invention, the main control unit and the slave control unit can share at least one external unit, so that the aims of reducing the installation space and saving the cost can be achieved when the train control system provided by the embodiment is integrated at the vehicle-mounted end. Further, according to the scheme provided by the embodiment, the master control unit receives external data sent by at least one external unit, performs packet processing on the external data according to the data type of the external data to obtain at least one external data packet, and sends the at least one external data packet to the slave control unit; and the slave control unit performs data processing on at least one external data packet according to the data type. The main control unit and the slave control unit provided by the embodiment communicate and process data, so that the beneficial effect of simplifying the data processing flow is achieved.
The above embodiments do not limit the scope of the present invention. It will be apparent to those skilled in the art that various modifications, combinations, sub-combinations and alternatives can occur depending upon design requirements and other factors. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the scope of the present invention.
Claims (10)
1. A data processing method of a train control system supporting an overline operation, wherein the train control system comprises a master control unit, a slave control unit and at least one external unit, one end of the master control unit is connected with the slave control unit, and the other end of the master control unit is connected with at least one external unit, the method comprising:
The main control unit receives at least one external data sent by the external unit, performs packet processing on the external data according to the data type of the external data to obtain at least one external data packet, and sends the at least one external data packet to the slave control unit;
And the slave control unit processes data of at least one external data packet according to the data type.
2. The method for processing data of a train control system supporting an overline operation according to claim 1, wherein the master control unit transmits at least one external data packet to the slave control unit, comprising:
the main control unit divides each external data packet into at least one external data according to a bus protocol;
And the master control unit sequentially transmits at least one external data to the slave control units.
3. The method for processing data of a train control system supporting an overline operation according to claim 2, wherein the slave unit performs data processing on at least one of the external data packets according to the data type, comprising:
the slave control unit acquires the data type and the data transmission direction corresponding to each external data;
The slave control unit performs packet processing on at least one external data according to the data type to obtain at least one external data packet;
and the slave control unit performs data processing on at least one external data packet according to the data transmission direction.
4. A method of data processing in a column control system supporting cross-line operation according to claim 3, said data transmission direction comprising unidirectional transmission or bidirectional transmission;
The slave control unit performs data processing on at least one external data packet according to the data transmission direction, and includes:
the slave control unit stores the external data packet with the unidirectional data transmission direction in a corresponding external interface;
or the slave control unit performs data processing on the external data packet with the data transmission direction of bidirectional transmission to obtain an external data packet; the slave control unit sends the external data packet to the master control unit according to the bus protocol, so that the master control unit sends the external data packet to a corresponding external unit.
5. The method for processing data of a train control system supporting an overline operation according to claim 4, wherein the slave unit transmits the external data packet to the master unit according to the bus protocol, comprising:
the slave control unit divides the external data packet into at least one external data according to the bus protocol;
and the slave control unit sequentially transmits at least one external data to the master control unit.
6. The method for processing data of a train control system supporting an overline operation according to claim 4, wherein the main control unit transmits the external data packet to a corresponding external unit, comprising:
the main control unit receives at least one external data through the bus protocol, and packs according to the data type corresponding to each external data to obtain at least one external data packet;
the main control unit determines a corresponding external unit according to the data type corresponding to each external data packet;
And the main control unit sends each external data packet to a corresponding external unit so that each external unit receives the corresponding external data.
7. The method for processing data of a train control system supporting cross-line operation according to claim 1, wherein when the master control unit is a CTCS core processing unit, the slave control unit is a CBTC core processing unit;
When the main control unit is a CBTC core processing unit, the slave control unit is a CTCS core processing unit.
8. A data processing apparatus of a train control system supporting an overline operation, the train control system comprising a master control unit, a slave control unit and at least one external unit, one end of the master control unit being connected to the slave control unit, the other end of the master control unit being connected to the at least one external unit, the apparatus comprising:
The data receiving module is used for receiving the external data sent by at least one external unit by the main control unit, carrying out packet processing on the external data according to the data type of the external data, obtaining at least one external data packet, and sending the at least one external data packet to the slave control unit;
and the data processing module is used for the slave control unit to process data of at least one external data packet according to the data type.
9. An electronic device, the electronic device comprising:
At least one processor; and
A memory communicatively coupled to the at least one processor; wherein,
The memory stores a computer program executable by the at least one processor to enable the at least one processor to perform the data processing method of the line-ride-supported column control system of any one of claims 1-7.
10. A computer readable storage medium, on which a computer program is stored, characterized in that the program, when being executed by a processor, implements a data processing method of a column control system supporting overline operation according to any of claims 1-7.
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