CN110427221B - Method and system for configuring ATO software and vehicle control parameters separately - Google Patents
Method and system for configuring ATO software and vehicle control parameters separately Download PDFInfo
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B61L23/00—Control, warning or like safety means along the route or between vehicles or trains
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- B61L23/14—Control, warning or like safety means along the route or between vehicles or trains for controlling traffic in one direction only automatically operated
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Abstract
The invention provides a method and a system for configuring ATO software and car control parameters in a separated mode. And writing the ATO software into an ATO host application software storage area through a software transmission interface. And the ATO software stored in the ATO host application software storage area acquires the vehicle control parameters from the ATO host parameter storage area and assigns values to the internal parameters of the ATO software, so that the separation configuration of the ATO software and the vehicle control parameters is completed. The system mainly comprises terminal equipment, a vehicle control parameter memory, a parameter transmission interface connected between the terminal equipment and a parameter storage area in the ATO host, and a software transmission interface connected between the terminal equipment and an application software storage area in the ATO host. The invention can realize that ATO software is universal for various rail trains under the condition of keeping the consistency, thereby improving the universality of ATO software.
Description
Technical Field
The invention belongs to the field of railway traffic, and particularly relates to a method and a system for configuring ATO software and vehicle control parameters in a separated mode.
Background
Railway traffic is a main mode for realizing freight transportation and passenger transportation, and has the characteristics of large transportation quantity, high speed and low cost, so that the railway traffic plays a role of a support in national economy operation. In recent years, the China railway transportation industry has greatly developed, various types of high-speed trains are continuously designed, developed and put into use, and high-speed rails, motor train units, urban rails and subway networks have been widely covered all over the country. Because the new type of train is fast, the mileage is long, the operation shift is frequent, and meanwhile, the comfort level requirements of passengers on the train operation are increasingly improved, the traditional manual driving mode can not meet the current requirements, and therefore, the current high-speed rail train mostly adopts an automatic driving mode. Current rail train autopilot is mostly achieved by onboard ATO (Automatic Train Operation) systems.
When the ATO system controls the train in real time, it is necessary to control the speed around the train by using ground information. According to the information acquired by the ATO equipment, the traction acceleration or the braking acceleration currently required by the train is calculated after real-time processing, an operation scheme is generated according to the calculated result, and an instruction is sent to the train to realize the traction, braking, cruising and accurate stopping of the train. However, due to the different control and traction braking characteristics of different types of trains, when the ATO system is used for automatic driving, software carried in the ATO system needs to be adjusted to adapt to the characteristics of the related types of trains, otherwise, the automatic driving scheme will deviate.
In this case, the adjustment process for the ATO software is complicated, and even a new application software needs to be developed for each vehicle type many times. This results in a significant increase in the development and maintenance costs of the software. In most cases, the parameter values in ATO software are only required to be changed, so that the ATO software is suitable for the operation of various trains. However, the time and effort required for parameter modification of the ATO software is huge, so that a faster and more convenient method is needed to separate the ATO software from the vehicle control parameters, thereby simplifying the task of modifying the vehicle control parameters of the ATO software.
Disclosure of Invention
Aiming at the problems, the invention provides a method and a system for configuring ATO software and vehicle control parameters separately,
the invention aims to provide a method for configuring ATO software and vehicle control parameters separately, which comprises the following steps:
recording a vehicle control parameter on a terminal device, carrying out safety verification on the vehicle control parameter, reading the vehicle control parameter by using a vehicle-mounted parameter configuration tool, and writing the vehicle control parameter into an ATO host parameter storage area through a parameter transmission interface;
writing ATO software into an ATO host application software storage area through a software transmission interface;
and the ATO software stored in the ATO host application software storage area acquires the vehicle control parameters from the ATO host parameter storage area.
Further, the train control parameters are divided into train traction braking configuration parameters and train control logic configuration parameters, and are respectively stored in a text form.
Further, the train traction braking configuration parameter text is divided into a traction portion and a braking force portion;
wherein, the traction data t of the mth row and the nth column in the traction part mn Representing the traction force of the train when the traction level is m and the speed is n;
braking force data b of the p-th row and n-th column in the braking force section pn The braking force of the train at the brake level p and the speed n is shown.
Further, the control logic parameter configuration text comprises the number, the name, the parameter value and the parameter value backup information of the control logic configuration parameter; the name is the original name of the control logic configuration parameter in ATO software.
Further, for reading the vehicle control parameters by using the vehicle parameter configuration tool, the vehicle parameter configuration tool can be used for modifying the read vehicle control parameters, and the vehicle parameter configuration tool can be used for storing the read vehicle control parameters in the vehicle control parameter memory.
Further, the control parameters are subjected to safety verification by using a CRC verification method.
Further, ATO software stored in the ATO host software storage area is started along with the power-on initialization of the ATO host, and a memory information reading function in the ATO host parameter storage area is called, and the memory information reading function is utilized to acquire the vehicle control parameters from the ATO host parameter storage area.
Another object of the present invention is to provide a system for separately configuring ATO software and a vehicle control parameter, where the system mainly includes a terminal device, a vehicle control parameter memory, a parameter transmission interface between the terminal device and a parameter storage area in an ATO host, and a software transmission interface between the terminal device and an application software storage area in the ATO host;
the terminal equipment is used for recording the vehicle control parameters in a text form and writing the vehicle control parameters into an ATO host parameter storage area through the parameter transmission interface; the terminal device is also used for writing ATO software into the ATO host software storage area through the software transmission interface.
Furthermore, ATO software, a vehicle-mounted parameter configuration tool and a data security verification tool are carried on the terminal equipment;
the vehicle-mounted parameter configuration tool is used for reading the vehicle control parameters and writing the read vehicle control parameters into the ATO host through the parameter transmission interface;
the vehicle-mounted parameter configuration tool is also used for modifying the vehicle control parameters;
the vehicle-mounted parameter configuration tool is also used for storing the vehicle control parameters in a vehicle control parameter memory;
further, the data security verification tool is used for performing security verification on the vehicle control parameters, and the data security verification tool is CRC software;
further, the vehicle control parameter memory is used for storing the vehicle control parameters read by the vehicle-mounted parameter configuration tool.
According to the invention, ATO software and the vehicle control parameters are separately configured, and related technicians do not need to modify the whole ATO software any more, only the vehicle control parameters are required to be modified in a targeted way, so that the work of modifying the vehicle control parameters is simplified.
Meanwhile, related technicians can refer to traction force, braking force and control logic information of the train, and the traction force and braking force data and the control logic data under different levels in the control parameters are modified to be in line with any running characteristic of any type of rail train with ATO equipment, including a motor train unit, and the ATO software can realize an automatic control function on the type of rail train after reading the control parameters. The automatic train control system can be universally used for various different types of rail trains under the condition of keeping the ATO software consistent, and the automatic train control function is completed, so that the universality of the ATO software is improved.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention may be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.
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In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 illustrates a system architecture constructed for configuring ATO software separately from control parameters in an embodiment of the present invention;
FIG. 2 is a flow chart illustrating a process for controlling parameters in accordance with an embodiment of the present invention;
FIG. 3 is a schematic diagram of a text record format of a train traction braking configuration parameter in an embodiment of the invention;
FIG. 4 is a schematic diagram of a text record format of a control logic configuration parameter in an embodiment of the present invention;
fig. 5 shows a flowchart of an ATO software acquisition process for a vehicle control parameter in an embodiment of the present invention.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments of the present invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Fig. 1 shows a system structure constructed by separately configuring ATO software and vehicle control parameters in an embodiment of the present invention. The system mainly comprises a terminal device, a car control parameter memory, a parameter transmission interface connected between the terminal device and a parameter storage area in the ATO host, and a software transmission interface connected between the terminal device and an application software storage area in the ATO host.
The terminal equipment is provided with a vehicle-mounted parameter configuration tool, a data security verification tool and ATO automatic driving software for realizing an automatic driving function, and a vehicle control parameter information text is stored.
The vehicle-mounted parameter configuration tool is used for reading the vehicle control parameters and writing the read vehicle control parameters into the ATO host through the parameter transmission interface;
the vehicle-mounted parameter configuration tool is also used for modifying the vehicle control parameters;
the vehicle-mounted parameter configuration tool is also used for storing the vehicle control parameters in a vehicle control parameter memory.
The data security verification tool is used for performing security verification on the vehicle control parameters.
And the terminal equipment and the ATO host exchange data through a parameter transmission interface and a software transmission interface.
The method for realizing the separation configuration of the vehicle control parameters and the ATO software by the system mainly comprises the following steps: recording a vehicle control parameter on a terminal device; storing the vehicle control parameters in a text form; carrying out safety verification on the vehicle control parameters; the vehicle-mounted parameter configuration tool carried on the terminal equipment is utilized to write the vehicle control parameters into a parameter storage area of the ATO host through a parameter transmission interface; writing ATO software into an application software storage area of an ATO host through a software transmission interface by using terminal equipment; the ATO software stored in the application software storage area of the ATO host acquires the vehicle control parameters from the ATO host parameter storage area.
As shown in FIG. 2, the process flow of the train control parameters is divided into two types, one type is train traction braking configuration parameters, the other type is train control logic configuration parameters, and the two types of parameters are respectively stored in text form.
And then, CRC software is used for carrying out CRC safety check on the two types of car control parameter texts at the terminal equipment. If the verification is not passed, returning to the previous step, and reading again after checking and modifying the vehicle control parameter text; if the verification is passed, the vehicle-mounted parameter configuration tool is used for reading the vehicle control parameter text, and the vehicle-mounted parameter configuration tool is used for storing the verified vehicle control parameter text in the vehicle control parameter memory.
For the vehicle control parameter text which is read into the vehicle-mounted parameter configuration tool, the modification can be carried out, and if the partial modification is to be carried out, the vehicle-mounted parameter configuration tool can be utilized to modify partial parameter values in the vehicle control parameter text; if the whole is to be modified, the whole of the car control parameter text can be replaced, and the first step is returned to read again.
And finally, using the vehicle-mounted parameter configuration tool to write the vehicle control parameters read into the vehicle-mounted parameter configuration tool into the ATO host parameter storage area, wherein ATO software stored in the ATO host application software storage area can acquire the vehicle control parameters stored in the ATO host parameter storage area.
As a specific embodiment, the above will be further described in this example. The detailed processing procedure for the vehicle control parameters in the embodiment of the method is as follows:
first, the vehicle control parameters are classified.
According to different recording characteristics of data, the train control parameters are divided into two types in the embodiment, wherein one type is train traction braking configuration parameters, the other type is train control logic configuration parameters, and the train traction braking configuration parameters mainly comprise traction force, braking force and speed information; the control logic configuration parameters mainly comprise numbers, names, parameter values and parameter characteristic information of parameter value backup. The two types of parameters are respectively stored as two types of parameter texts, and then various operations including reading, modifying, storing and acquiring the vehicle control parameters are performed based on the two types of vehicle control parameter texts. In this embodiment, the train traction braking configuration parameter text and the train control logic configuration parameter text data are designed into different recording formats.
Exemplary, FIG. 3 is a schematic diagram of a traction brake configuration parameter text record format in which traction data is stored at t: [ m, n]Below the row of marks, the braking force is stored in the form of b: [ p, n ]]Below the row of marks. t represents the traction force value, t mn The traction force of the train at the traction level m and the speed n is shown. b represents a braking force value, b pn The traction of the train at a brake level p and a speed n is indicated. The number of columns of traction force data and braking force data is the same, and n is the number of columns of traction force data and braking force data. In this way, the traction force information at any speed, any traction level and the braking force information at any braking level can be completely recorded. The CRC check value is additionally recorded in the last line of text.
Fig. 4 is a schematic diagram of a text recording format of a configuration parameter of the vehicle control logic, wherein the configuration parameter of the vehicle control logic is divided into 4 columns, and serial numbers, names, parameter values and parameter value backup information of the configuration parameter of the vehicle control logic are recorded in sequence respectively. In the configuration text of the car control logic parameters, each parameter is provided with a number, each parameter is given a name, the original name of each car control logic parameter in the ATO software is reserved by the name, the consistency of the car control logic parameter name in the text and the corresponding car control logic parameter name in the ATO software is ensured, and the ATO software can acquire the data of each specific car control logic parameter conveniently. The parameter value and the parameter backup value are specific values of the parameter, are stored in a digital form, and the parameter backup value is used as backup information of the parameter value and is consistent with the parameter value. The CRC check value is additionally recorded in the last line of text.
And secondly, carrying out safety verification on the text data of the vehicle control parameters to finish the reading of the vehicle control parameters.
The safety of the text data of the vehicle control parameters in transmission is ensured through safety check, CRC check is used as a safety check mode, the error detection capability is strong, the cost is low, and the implementation by an encoder and a detection circuit is easy, so that CRC software is used as a data safety check tool in the embodiment to carry out safety check on the information transmission process. The specific process of verification is as follows: firstly, respectively reading parameter values recorded in traction braking configuration parameter texts and vehicle control logic configuration parameter texts through CRC software, calculating, and storing and recording the calculated result as a CRC check value in the last line of the two types of parameter texts. Then, respectively reading the traction braking configuration parameter text and the CRC check value recorded in the last line of the vehicle control logic configuration parameter text by using a vehicle-mounted parameter configuration tool to carry out CRC check, and if the check result shows that the data in the parameter text has no error, checking the data to pass; otherwise, the verification is not passed.
When the vehicle control parameter text data passes the verification, the vehicle control parameters recorded in the vehicle control parameter text are read into the vehicle-mounted parameter configuration tool, and the reading of the vehicle control parameters is completed. In addition, the system constructed by the invention also comprises a vehicle control parameter memory, and after the vehicle control parameter is read, the vehicle control parameter is stored in the vehicle control parameter memory through a vehicle-mounted parameter configuration tool. The vehicle control parameters stored in the vehicle control parameter memory can be read and called at any time, so that test staff can conveniently test different vehicle types and research staff can conveniently track problem parameters, and the working efficiency of developing a test flow is improved.
The vehicle control parameters read by the vehicle-mounted parameter configuration tool can be modified, and the specific process is as follows:
after the vehicle-mounted parameter configuration tool finishes reading the vehicle control parameters, the read vehicle control parameters can be modified, and if partial modification is required, the vehicle-mounted parameter configuration tool can be used for directly modifying partial parameter values to be modified in the vehicle control parameters. For example, to modify traction data at a certain speed and traction level among traction brake configuration parameters, the data is modified directly in the vehicle-mounted parameter configuration tool; if the whole is to be modified in a large range, the first step can be returned to replace the whole of the vehicle control parameter text, and then the vehicle control parameter text is read again.
Finally, if the vehicle control parameters do not need to be modified, the vehicle control parameters can be written into the ATO host and stored. Two types of car control parameters including train traction braking configuration parameters and car control logic configuration parameters are written into a ferroelectric memory (FRAM) unit of an ATO host to a parameter storage area through a parameter transmission interface of the ATO host by using a car parameter configuration tool, the two types of car control parameters are stored in different memory blocks of the FRAM unit during storage, no intersection and overlapping between the memory blocks are ensured, so that the ATO software can conveniently acquire the car control parameters, distinguish the two types of different parameters clearly, and the operation flow is simplified.
The ATO software needs to acquire the vehicle control parameters to normally realize the automatic vehicle control function, and the acquisition process of the ATO software on the vehicle control parameters mainly comprises the following steps:
firstly, writing ATO software carried on terminal equipment into an application software storage area of an ATO host through a software transmission interface connecting the terminal equipment and the ATO host; then, the ATO software stored in the ATO host application software storage area acquires the vehicle control parameters stored in the ATO host parameter storage area.
Fig. 5 is a flowchart of the ATO software acquisition process for the vehicle control parameters. The specific implementation mode of the ATO software for acquiring the ATO software control parameters stored in the ATO host software storage area is as follows:
firstly, writing ATO software carried on terminal equipment into an application software storage area of an ATO host through a software transmission interface of a connecting terminal and the ATO host, and executing power-on initialization of the ATO host. At this time, the ATO software stored in the ATO host application software storage area is started, and the parameter storage area memory information reading function is called, if the ATO host parameter storage area does not store the vehicle control parameters, the function cannot acquire the parameters, namely the acquisition of the parameters fails, and the parameters in the software are not changed, namely the parameters are kept to be default values. If the ATO host parameter storage area is provided with storage vehicle control parameters, as the two types of vehicle control parameters are respectively stored in different memory blocks of the parameter storage area FRAM unit in the vehicle control parameter storage process, the parameter storage area memory information reading function can distinguish the two types of vehicle control parameters according to different starting addresses of the memory blocks, respectively read the two types of vehicle control parameters comprising the train traction braking configuration parameters and the vehicle control logic configuration parameters at one time, and the ATO software can identify the vehicle control parameters read by the memory information reading function and assign corresponding vehicle control parameters in the ATO software according to the read vehicle control parameters.
Although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention. For example: the train control parameters are not divided into two types of parameters including train traction braking configuration parameters and train control logic configuration parameters, but are directly integrated into one piece of integral parameter information.
Claims (9)
1. A method for separately configuring ATO software and vehicle control parameters, the method comprising:
recording a vehicle control parameter on a terminal device, carrying out safety verification on the vehicle control parameter, reading the vehicle control parameter by using a vehicle-mounted parameter configuration tool, and writing the vehicle control parameter into an ATO host parameter storage area through a parameter transmission interface;
writing ATO software into an ATO host application software storage area through a software transmission interface;
the ATO software stored in the ATO host application software storage area acquires the vehicle control parameters from the ATO host parameter storage area;
dividing the train control parameters into train traction braking configuration parameters and train control logic configuration parameters, and respectively storing the train control parameters in a text form;
the train traction braking configuration parameter text is divided into a traction part and a braking force part; traction data is stored at t: [ m, n ]]Below the row of flags, the braking force is stored at b: [ p, n ]]Below the row of marks; t represents the traction force value, t mn Representing the traction force of the train when the traction level is m and the speed is n; b represents a braking force value, b pn Representing the traction force of the train when the braking level is p and the speed is n; the number of columns of traction force data and braking force data is the same, and n is the number of columns of traction force data and braking force data; respectively reading parameter values recorded in the traction braking configuration parameter text through CRC software, calculating, and storing and recording the calculated result as a CRC check value in the last line of the parameter text;
the control logic configuration parameter text is divided into four columns, and the serial numbers, names, parameter values and parameter value backup information of the control logic configuration parameters are recorded in sequence respectively; setting a number for each parameter in a control logic configuration parameter text, and giving each parameter a name which reserves the original name of each control logic parameter in ATO software; the parameter value and the parameter backup value are specific values of the parameter and are stored in a digital form, and the parameter backup value is used as backup information of the parameter value and is consistent with the parameter value; and respectively reading and calculating parameter values recorded in the control logic configuration parameter text through CRC software, and storing and recording the calculated result as a CRC check value in the last line of the parameter text.
2. The method of claim 1, further comprising modifying the vehicle control parameters it reads using an on-board parameter configuration tool.
3. The method of claim 1, further comprising security checking the control parameters using a CRC check method.
4. The method of claim 1, further comprising using an on-board parameter configuration tool to save the read vehicle control parameters in a vehicle control parameter memory.
5. The method of claim 1 wherein the ATO software stored in the ATO host software storage area is started upon power-up initialization of the ATO host and invokes a memory information reading function in the ATO host parameter storage area, the memory information reading function being utilized to obtain the control parameters from the ATO host parameter storage area.
6. The system for separating and configuring ATO software and vehicle control parameters is characterized by mainly comprising terminal equipment, a vehicle control parameter memory, a parameter transmission interface between the terminal equipment and a parameter storage area in an ATO host, and a software transmission interface between the terminal equipment and an application software storage area in the ATO host;
the terminal equipment is used for recording the vehicle control parameters in a text form and writing the vehicle control parameters into an ATO host parameter storage area through the parameter transmission interface; the terminal equipment is also used for writing ATO software into an ATO host software storage area through the software transmission interface;
dividing the train control parameters into train traction braking configuration parameters and train control logic configuration parameters, and respectively storing the train control parameters in a text form;
the train traction braking configuration parameter text is divided into a traction part and a braking force part; traction data is stored at t: [ m, n ]]Below the row of flags, the braking force is stored at b: [ p, n ]]Below the row of marks; t represents the traction force value, t mn Representing the traction force of the train when the traction level is m and the speed is n; b represents a braking force value, b pn Representing the traction force of the train when the braking level is p and the speed is n; the number of columns of traction force data and braking force data is the same, and n is the number of columns of traction force data and braking force data; respectively reading parameter values recorded in the traction braking configuration parameter text through CRC software, calculating, and storing and recording the calculated result as a CRC check value in the last line of the parameter text;
the control logic configuration parameter text is divided into four columns, and the serial numbers, names, parameter values and parameter value backup information of the control logic configuration parameters are recorded in sequence respectively; setting a number for each parameter in a control logic configuration parameter text, and giving each parameter a name which reserves the original name of each control logic parameter in ATO software; the parameter value and the parameter backup value are specific values of the parameter and are stored in a digital form, and the parameter backup value is used as backup information of the parameter value and is consistent with the parameter value; and respectively reading and calculating parameter values recorded in the control logic configuration parameter text through CRC software, and storing and recording the calculated result as a CRC check value in the last line of the parameter text.
7. The system for separately configuring ATO software and vehicle control parameters according to claim 6, wherein the terminal equipment is provided with ATO software, a vehicle-mounted parameter configuration tool and a data security verification tool;
the vehicle-mounted parameter configuration tool is used for reading the vehicle control parameters and writing the read vehicle control parameters into the ATO host through the parameter transmission interface;
the vehicle-mounted parameter configuration tool is also used for modifying the vehicle control parameters;
the vehicle-mounted parameter configuration tool is also used for storing the vehicle control parameters in a vehicle control parameter memory;
the data security verification tool is used for performing security verification on the vehicle control parameters.
8. The system for configuring separately ATO software from vehicle control parameters according to claim 7, wherein the data security verification tool is CRC software.
9. The system for configuring separately ATO software from vehicle control parameters according to claim 6, wherein the vehicle control parameter memory is configured to store vehicle control parameters read by a vehicle parameter configuration tool.
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| CN112722017B (en) * | 2021-03-18 | 2023-02-21 | 北京全路通信信号研究设计院集团有限公司 | Automatic acquisition method and device for ATO vehicle control related parameters |
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