CN113837563A - Matching method and device for rail vehicle brake system - Google Patents
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Abstract
The invention provides a matching method and a device for a rail vehicle brake system, wherein the method comprises the following steps: acquiring an evaluation reference value of the train to be matched according to the train axle load data of the train to be matched and the maximum train operation speed; acquiring the characteristic attribute of each braking system, and determining an evaluation grade scoring matrix and an evaluation factor weight of each braking system according to the characteristic attribute and the evaluation reference value; and obtaining the matching degree of each braking system according to the evaluation grade scoring matrix and the evaluation factor weight, and determining the target braking system of the train to be matched according to the matching degree. The invention evaluates the matching performance between the braking system and the rail vehicle by comprehensively considering a plurality of factors of the braking system in different aspects, thereby matching more reasonable braking systems for different rail vehicles and avoiding the conditions of poor braking effect or excessive braking effect.
Description
Technical Field
The invention relates to the technical field of rail transit, in particular to a matching method and device for a rail vehicle brake system.
Background
The braking is one of the keys for guaranteeing the safe operation of the railway train, the technical development of the braking is over 200 years, and products such as a manual brake, an air brake, an electro-pneumatic brake, a microcomputer control brake system and the like are produced, and the products are subdivided due to different working principles. There are differences in the technological improvements and developments of the various sub-components of the braking system, and thus there are commonalities and differences between braking systems.
The braking system of the rail vehicle needs to transfer the kinetic energy of the train during braking, and the requirements of the train on the equipped braking system are different, so that the rail vehicle needs to be matched with a proper braking system, thereby improving the braking effect. At present, when a braking system is configured for a railway vehicle, a relatively intuitive matching reference method is not provided between the braking system and the railway vehicle, the braking system is configured mainly according to the requirements of a user, and the difference between different braking systems is not comprehensively considered, so that the matching degree between the railway vehicle and the braking system is low, and the situation of poor braking effect or excessive braking effect can occur.
Therefore, there is a need for a matching method and apparatus for a rail vehicle braking system that addresses the foregoing problems.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides a matching method and a matching device for a railway vehicle brake system.
The invention provides a matching method for a rail vehicle brake system, which comprises the following steps:
acquiring an evaluation reference value of the train to be matched according to the train axle load data of the train to be matched and the maximum train operation speed;
acquiring the characteristic attribute of each braking system, and determining an evaluation grade scoring matrix and an evaluation factor weight of each braking system according to the characteristic attribute and the evaluation reference value;
and obtaining the matching degree of each braking system according to the evaluation grade scoring matrix and the evaluation factor weight, and determining the target braking system of the train to be matched according to the matching degree.
According to the invention, the matching method for the rail vehicle brake system is provided, and the characteristic attributes comprise: the brake system comprises a source power type, a brake signal type, a brake control mode, a basic brake type, an electric-air composite mode, other brake modes and an antiskid brake mode, wherein the basic brake type comprises a shoe brake and a disc brake, and the other brake modes comprise brake modes except friction brake.
According to the matching method for the rail vehicle brake system, the evaluation grade scoring matrix of each brake system is determined according to the characteristic attribute and the evaluation reference value, and the matching method comprises the following steps:
according to the evaluation reference values, a plurality of evaluation reference intervals are constructed;
determining an evaluation factor coefficient of each braking system according to the characteristic attribute and a preset evaluation factor coefficient matrix;
and obtaining an evaluation grade scoring matrix of each braking system according to the evaluation reference interval and the evaluation factor coefficient.
According to the matching method for the rail vehicle brake system, the evaluation factor weight of each brake system is determined according to the characteristic attribute and the evaluation reference value, and the method comprises the following steps:
according to the characteristic attributes and the preset evaluation reference range values, building corresponding weight values of each characteristic attribute in the preset evaluation reference range values;
and obtaining the evaluation factor weight of each braking system according to the evaluation reference value and the weight value.
According to the matching method for the rail vehicle brake system provided by the invention, the matching degree of each brake system is obtained according to the evaluation grade scoring matrix and the evaluation factor weight, and the target brake system of the train to be matched is determined according to the matching degree, and the matching method comprises the following steps:
obtaining the matching degree of each braking system according to the product of the evaluation grade scoring matrix and the evaluation factor weight;
and comparing the matching degree of each braking system, and taking the braking system with the maximum matching degree as a target braking system of the train to be matched according to the comparison result.
According to the matching method for the rail vehicle brake system, the formula of the evaluation reference value is as follows:
Q＝(M/30+Vs/500)×5；
wherein Q represents an evaluation reference value, M represents train axle weight data, and VsRepresenting the maximum operating speed of the train.
The invention also provides a matching device for a rail vehicle brake system, comprising:
the evaluation reference value acquisition module is used for acquiring an evaluation reference value of the train to be matched according to the train axle weight data of the train to be matched and the maximum train operation speed;
the characteristic extraction module is used for acquiring the characteristic attribute of each braking system and determining the evaluation grade scoring matrix and the evaluation factor weight of each braking system according to the characteristic attribute and the evaluation reference value;
and the brake system matching module is used for acquiring the matching degree of each brake system according to the evaluation grade scoring matrix and the evaluation factor weight and determining the target brake system of the train to be matched according to the matching degree.
The invention also provides an electronic device comprising a memory, a processor and a computer program stored on the memory and executable on the processor, the processor implementing the steps of the matching method for a rail vehicle brake system as described in any one of the above when executing the program.
The invention also provides a non-transitory computer-readable storage medium having stored thereon a computer program which, when executed by a processor, carries out the steps of the matching method for a rail vehicle brake system as claimed in any one of the above.
The invention also provides a computer program product comprising a computer program which, when executed by a processor, carries out the steps of the matching method for a rail vehicle brake system as claimed in any one of the above.
According to the matching method and device for the braking system of the railway vehicle, the matching performance between the braking system and the railway vehicle is evaluated by comprehensively considering a plurality of factors of the braking system in different aspects, so that the more reasonable braking system can be matched for different railway vehicles, and the situations of poor braking effect or excessive braking effect can be avoided.
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In order to more clearly illustrate the technical solutions of the present invention or the prior art, the drawings needed for the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and those skilled in the art can also obtain other drawings according to the drawings without creative efforts.
FIG. 1 is a schematic flow diagram of a matching method for a rail vehicle braking system provided by the present invention;
FIG. 2 is a schematic structural diagram of a matching device for a railway vehicle braking system provided by the present invention;
fig. 3 is a schematic structural diagram of an electronic device provided in the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Fig. 1 is a schematic flow chart of a matching method for a rail vehicle brake system provided by the invention, and as shown in fig. 1, the invention provides a matching method for a rail vehicle brake system, which comprises the following steps:
In the present invention, the kinetic energy of the train to be transferred during braking depends on the axle weight data of the train and the maximum operating speed of the train, wherein the maximum operating speed of the train is determined by the train in the design stage. When the braking system of the train is designed, the axle weight of the train is M (unit: ton) and the maximum speed of the train in operation is V for the train to be matched with the formulated systems(unit: km/h), the formula of the evaluation reference value is:
Q＝(M/30+Vs/500)×5；
wherein Q represents an evaluation reference value, M represents train axle weight data, and VsRepresenting the maximum operating speed of the train. For example, the axle weight of the train is 15 tons, and the maximum operating speed VsAt 250km/h, the evaluation reference value Q is (M/30+ V)s/500)×5＝5。
And 102, acquiring the characteristic attribute of each braking system, and determining the evaluation grade scoring matrix and the evaluation factor weight of each braking system according to the characteristic attribute and the evaluation reference value.
In the present invention, it is first necessary to evaluate different brake systems, and an evaluation factor coefficient matrix of each brake system is defined as R ═ (R)1,r2,…,r7) Wherein the evaluation factor coefficient matrix is an evaluation factor coefficient r corresponding to the characteristic attribute and the characteristic attribute of each braking systemi(i ═ 1,2, …,7), determined as shown in table 1:
TABLE 1
As can be seen from table 1, in the present invention, a key feature, i.e., a feature attribute, of each brake system is extracted to construct a brake system evaluation factor, and the feature attribute includes: the brake system comprises a source power type, a brake signal type, a brake control mode, a basic brake type, an electric-air composite mode, other brake modes and an antiskid brake mode, wherein the basic brake type comprises a shoe brake and a disc brake, and the other brake modes comprise brake modes except friction brake. Specifically, the evaluation factors defining the brake system are:
U＝{u1,u2,…,u7}；
wherein u is1、u2、u3、u4、u5、u6、u7The type of the source power of the braking system, the type of the braking signal, the braking control mode, the basic braking type, the electric-air composite mode, other braking modes and the antiskid braking mode are respectively indicated. Further, the source power type represents the driving force of the braking system, and includes driving types such as manpower, compressed air, hydraulic oil and electric power; the brake signal types comprise signal types such as mechanical, compressed air, hydraulic oil and electric signals; the brake control mode comprises manual control, brake valve control, electromagnetic brake valve control, microcomputer control and the like; the basic brake type comprises two types of brake shoe brake and disc brake; the electric-air composite mode indicates whether a braking mode with electric braking and friction braking matching exists; the other braking methods indicate whether there is a braking manner other than friction braking; the antiskid control mode comprises non-antiskid, mechanical antiskid, electronic antiskid, microcomputer antiskid and the like.
Extracting key features of the brake system, and constructing a mapping relation between each feature and an evaluation factor coefficient to acquire an evaluation factor coefficient matrix of each group of brake systems, for example, an automatic electric pneumatic brake machine with the evaluation factor domain of U-U ═ U { (U {)1,u2,…,u7In which u1Compressed air, u2Electrical signal u3Control of electromagnetic brake valve u4Brake-shoe brake u5When there is an electric-air recombination, u6Without other braking means, u7The braking is obtained according to table 1 of the above embodiment as an electronic antiskid deviceThe machine evaluation factor coefficient matrix R is (3,4,3,3,4,2, 3).
Further, the evaluation factor coefficient r of each brake system is seti(i is 1,2, …,7) is compared with the evaluation reference value Q of the railway vehicle to be matched to obtain the evaluation grade corresponding to each braking system and an evaluation grade scoring matrix si(i＝1,2,…,7)。
Specifically, the determining an evaluation level score matrix of each brake system according to the characteristic attribute and the evaluation reference value includes:
according to the evaluation reference values, a plurality of evaluation reference intervals are constructed;
determining an evaluation factor coefficient of each braking system according to the characteristic attribute and a preset evaluation factor coefficient matrix;
and obtaining an evaluation grade scoring matrix of each braking system according to the evaluation reference interval and the evaluation factor coefficient.
In the invention, the advanced performance of the braking system is realized by strong braking capability, namely, the more advanced braking system can transfer the kinetic energy of the train when braking. For convenience of understanding, the invention establishes an evaluation grade domain of the brake system, and defines the evaluation grade domain of the brake system as follows:
V＝{v1,v2,…,v4}；
wherein v isj(j-1, 2, …,4) is the evaluation scale, v1Indicating a very late, v2Indicating backward, v3Denotes general, v4Indicating advancement. By setting the corresponding relation between the evaluation grade score and the evaluation grade, the advancement of the brake system can be displayed for a user more intuitively.
Further, the evaluation reference value and the preset evaluation reference value coefficient are used to divide the evaluation reference section for different average grade scores, so that the evaluation grade score matrix S of the brake system is formed according to the evaluation grade score corresponding to each evaluation factor coefficient (S ═ S)1,s2,…,s7)TSpecifically, reference may be made to table 2:
TABLE 2
| Comparison rules | ri<0.4Q | 0.4Q≤ri<0.8Q | 0.8Q≤ri<1.2Q | 1.2Q≤ri |
| Rating of evaluation | v1 | v2 | v3 | v4 |
| Evaluation grade score si | 1 | 2 | 3 | 4 |
From table 2, an evaluation level score matrix for each brake system can be determined. For example, in a microcomputer-controlled through electro-pneumatic brake system, the brake system evaluation factor field is U ═ U1,u2,…,u7And the rating reference value of the rail vehicle to be matched is 5, wherein u1Compressed air, u2Electrical signal u3Micro-computer controlled u4Disc brake u5Is given byElectric-air hybrid, u6Without other braking means, u7The antiskid device is a microcomputer antiskid device. Obtaining an evaluation factor coefficient matrix R (3,4,4,4,4,2,4) according to Table 1, comparing the evaluation factor coefficients with an evaluation reference value Q according to Table 2, wherein the evaluation reference intervals constructed by the evaluation reference value Q and a preset evaluation reference value coefficient are respectively 4 intervals less than 2,2 and less than 4,4 and less than 6 and 6, and obtaining an evaluation grade scoring matrix S (2,3,3,3,3,2,3)TThe corresponding rating level is general.
And when the evaluation grade scoring matrix is obtained, the evaluation factor weight of each brake system is determined according to the characteristic attribute of each brake system and the evaluation reference value of the rail vehicle to be matched. Specifically, on the basis of the above embodiment, the determining an evaluation factor weight of each brake system according to the characteristic attribute and the evaluation reference value includes:
according to the characteristic attributes and the preset evaluation reference range values, building corresponding weight values of each characteristic attribute in the preset evaluation reference range values;
and obtaining the evaluation factor weight of each braking system according to the evaluation reference value and the weight value.
In the present invention, the evaluation factor weight matrix is W ═ (W)1,w2,…,w7) The evaluation factor weight can be determined according to the evaluation reference value Q, which is specifically shown in table 3:
TABLE 3
Referring to table 3, the evaluation criterion value of the rail vehicle to be matched obtained according to the above embodiment is obtained, and when the value is 5, the evaluation factor weight W of each brake system is obtained as (0.2,0.2,0.2,0.05,0.15,0.05, 0.15).
103, acquiring the matching degree of each braking system according to the evaluation grade scoring matrix and the evaluation factor weight, and determining the target braking system of the train to be matched according to the matching degree. The method specifically comprises the following steps:
obtaining the matching degree of each braking system according to the product of the evaluation grade scoring matrix and the evaluation factor weight;
and comparing the matching degree of each braking system, and taking the braking system with the maximum matching degree as a target braking system of the train to be matched according to the comparison result.
In the invention, for various brake systems to be matched, the final matching degree a is as follows:
a＝W×S；
where W represents the evaluation factor weight and S represents the evaluation level score matrix. For rail vehicles to be equipped with a brake system, there are n brake system solutions. For each braking system scheme, the matching degree a is calculated and obtained according to the steps of the embodimentk(k ═ 1,2, …, n). Then, according to the order of the matching degree, the matching degree score a is givenkAnd sequencing, wherein the higher the score is, the higher the matching degree of the brake system and the railway vehicle is.
According to the matching method for the braking system of the railway vehicle, the matching performance between the braking system and the railway vehicle is evaluated by comprehensively considering a plurality of factors of the braking system in different aspects, so that the more reasonable braking system can be matched for different railway vehicles, and the condition that the braking effect is poor or excessive is avoided.
In one embodiment, the method provided by the present invention is generally described by actual data. Specifically, the preselected braking modes comprise a straight-through type air brake, an automatic type electric pneumatic brake and a microcomputer control straight-through type electric pneumatic brake system, aiming at the railway vehicle with the axle weight of 15 tons and the operation speed of 250 km/h.
Brake System evaluation for straight-through air brakeFactor field is U ═ U1,u2,…,u7}，u1Compressed air, u2Compressed air, u3Control of brake valve u4Brake-shoe brake u5No electric-air recombination, u6Without other braking means, u7A mechanical antiskid device. An evaluation factor coefficient matrix R was obtained from table 1 in the above example1(3,3,2,3,2,2, 2). The axle weight of the train is M-15, and the operating speed is Vs250, the evaluation reference value Q ═ M/30+ VsAnd/500) × 5 ═ 5. According to table 2 of the above embodiment, the evaluation factor coefficient is compared with the evaluation reference value Q to obtain the evaluation level corresponding to the evaluation factor of the brake system and the evaluation level score matrix S1＝(2,2,2,2,2,2,2)T. According to table 3 of the above embodiment, by evaluating the reference value Q, the evaluation factor weight matrix is determined to be (0.2,0.2,0.2,0.05,0.15,0.05, 0.15). Calculating the matching degree score as a1＝W×S1＝2。
For the automatic electro-pneumatic brake, the evaluation factor domain of the brake system is U ═ U1,u2,…,u7}，u1Compressed air, u2Electrical signal u3Control of electromagnetic brake valve u4Brake-shoe brake u5When there is an electric-air recombination, u6Without other braking means, u7An electronic antiskid device. According to Table 1, an evaluation factor coefficient matrix R is obtained2(3,4,3,3,4,2, 3). The axle weight of the train is M-15, and the operating speed is Vs250, the evaluation reference value Q ═ M/30+ VsAnd/500) × 5 ═ 5. According to the table 2, the evaluation factor coefficient and the evaluation reference value Q are compared to obtain the evaluation grade corresponding to the evaluation factor of the brake system and the evaluation grade scoring matrix S2＝(2,3,2,2,3,2,2)T. According to table 3, by evaluating the reference value Q, the evaluation factor weight matrix is determined to be (0.2,0.2,0.2,0.05,0.15,0.05, 0.15). Calculating the matching degree score as a2＝W×S2＝2.35。
For the direct-connection electro-pneumatic brake system controlled by the microcomputer, the evaluation factor field of the brake system is U ═ U { (U {)1,u2,…,u7}，u1Compressed airQi, u2Electrical signal u3Micro-computer controlled u4Disc brake u5When there is an electric-air recombination, u6Without other braking means, u7The antiskid device is a microcomputer antiskid device. According to Table 1, an evaluation factor coefficient matrix R is obtained3(3,4,4,4,4,2, 4). The axle weight of the train is M-15, and the operating speed is Vs250, the evaluation reference value Q ═ M/30+ VsAnd/500) × 5 ═ 5. According to the table 2, the evaluation factor coefficient and the evaluation reference value Q are compared to obtain the evaluation grade corresponding to the evaluation factor of the brake system and the evaluation grade scoring matrix S3＝(2,3,3,3,3,2,3)T. According to table 3, the evaluation factor weight matrix is determined by the evaluation reference value Q to be (0.2,0.2,0.2,0.05,0.15,0.05, 0.15). Calculating the matching degree score as a3＝W×S3＝2.75。
Finally, the match of each brake system is compared, since a3>a2>a1Therefore, for the railway vehicle with the axle weight of 15 tons and the operating speed of 250km/h, the matching degree of the microcomputer control through electric-pneumatic brake system and the railway vehicle is the best, and the matching degree of the through air brake is the worst after the automatic electric-pneumatic brake.
Fig. 2 is a schematic structural diagram of a matching device for a rail vehicle brake system provided by the present invention, and as shown in fig. 2, the present invention provides a matching device for a rail vehicle brake system, which includes an evaluation reference value obtaining module 201, a feature extraction module 202, and a brake system matching module 203, wherein the evaluation reference value obtaining module 201 is configured to obtain an evaluation reference value of a train to be matched according to train axle weight data of the train to be matched and a maximum train operation speed; the feature extraction module 202 is configured to obtain a feature attribute of each braking system, and determine an evaluation level score matrix and an evaluation factor weight of each braking system according to the feature attribute and the evaluation reference value; the brake system matching module 203 is configured to obtain a matching degree of each brake system according to the evaluation level score matrix and the evaluation factor weight, and determine a target brake system of the train to be matched according to the matching degree. Wherein, in the present invention, the characteristic attributes include: the brake system comprises a source power type, a brake signal type, a brake control mode, a basic brake type, an electric-air composite mode, other brake modes and an antiskid brake mode, wherein the basic brake type comprises a shoe brake and a disc brake, and the other brake modes comprise brake modes except friction brake.
The matching device for the braking system of the railway vehicle provided by the invention evaluates the matching performance between the braking system and the railway vehicle by comprehensively considering a plurality of factors of the braking system in different aspects, so that a more reasonable braking system can be matched for different railway vehicles, and the condition of poor braking effect or excessive braking effect can be avoided.
On the basis of the above embodiment, the feature extraction module includes:
the evaluation reference interval construction unit is used for constructing and obtaining a plurality of evaluation reference intervals according to the evaluation reference value;
the first processing unit is used for determining an evaluation factor coefficient of each braking system according to the characteristic attribute and a preset evaluation factor coefficient matrix;
and the evaluation grade score matrix generating unit is used for obtaining an evaluation grade score matrix of each braking system according to the evaluation reference interval and the evaluation factor coefficient.
On the basis of the above embodiment, the feature extraction module further includes:
the second processing unit is used for constructing a weight value corresponding to each characteristic attribute in the evaluation reference preset range value according to the characteristic attribute and the evaluation reference preset range value;
and the evaluation factor weight generating unit is used for obtaining the evaluation factor weight of each braking system according to the evaluation reference value and the weight value.
On the basis of the above embodiment, the brake system matching module includes:
the matching degree calculation unit is used for acquiring the matching degree of each braking system according to the product of the evaluation grade scoring matrix and the evaluation factor weight;
and the matching unit is used for comparing the matching degree of each braking system and taking the braking system with the maximum matching degree as the target braking system of the train to be matched according to the comparison result.
The apparatus provided by the present invention is used for executing the above method embodiments, and for details and flow, reference is made to the above embodiments, which are not described herein again.
Fig. 3 is a schematic structural diagram of an electronic device provided in the present invention, and as shown in fig. 3, the electronic device may include: a processor (processor)301, a communication interface (communication interface)302, a memory (memory)303 and a communication bus 304, wherein the processor 301, the communication interface 302 and the memory 303 complete communication with each other through the communication bus 304. Processor 301 may invoke logic instructions in memory 303 to perform a matching method for a rail vehicle braking system, the method comprising: acquiring an evaluation reference value of the train to be matched according to the train axle load data of the train to be matched and the maximum train operation speed; acquiring the characteristic attribute of each braking system, and determining an evaluation grade scoring matrix and an evaluation factor weight of each braking system according to the characteristic attribute and the evaluation reference value; and obtaining the matching degree of each braking system according to the evaluation grade scoring matrix and the evaluation factor weight, and determining the target braking system of the train to be matched according to the matching degree.
In addition, the logic instructions in the memory 303 may be implemented in the form of software functional units and stored in a computer readable storage medium when the logic instructions are sold or used as independent products. Based on such understanding, the technical solution of the present invention may be embodied in the form of a software product, which is stored in a storage medium and includes instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the method according to the embodiments of the present invention. And the aforementioned storage medium includes: various media capable of storing program codes, such as a usb disk, a removable hard disk, a Read-only memory (ROM), a Random Access Memory (RAM), a magnetic disk, or an optical disk.
In another aspect, the present invention also provides a computer program product comprising a computer program stored on a non-transitory computer readable storage medium, the computer program comprising program instructions which, when executed by a computer, enable the computer to perform the matching method for a rail vehicle braking system provided by the above methods, the method comprising: acquiring an evaluation reference value of the train to be matched according to the train axle load data of the train to be matched and the maximum train operation speed; acquiring the characteristic attribute of each braking system, and determining an evaluation grade scoring matrix and an evaluation factor weight of each braking system according to the characteristic attribute and the evaluation reference value; and obtaining the matching degree of each braking system according to the evaluation grade scoring matrix and the evaluation factor weight, and determining the target braking system of the train to be matched according to the matching degree.
In yet another aspect, the present invention also provides a non-transitory computer readable storage medium having stored thereon a computer program which, when executed by a processor, is implemented to perform the matching method for a rail vehicle braking system provided by the above embodiments, the method comprising: acquiring an evaluation reference value of the train to be matched according to the train axle load data of the train to be matched and the maximum train operation speed; acquiring the characteristic attribute of each braking system, and determining an evaluation grade scoring matrix and an evaluation factor weight of each braking system according to the characteristic attribute and the evaluation reference value; and obtaining the matching degree of each braking system according to the evaluation grade scoring matrix and the evaluation factor weight, and determining the target braking system of the train to be matched according to the matching degree.
The above-described embodiments of the apparatus are merely illustrative, and the units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of the present embodiment. One of ordinary skill in the art can understand and implement it without inventive effort.
Through the above description of the embodiments, those skilled in the art will clearly understand that each embodiment can be implemented by software plus a necessary general hardware platform, and certainly can also be implemented by hardware. With this understanding in mind, the above-described technical solutions may be embodied in the form of a software product, which can be stored in a computer-readable storage medium such as ROM/RAM, magnetic disk, optical disk, etc., and includes instructions for causing a computer device (which may be a personal computer, a server, or a network device, etc.) to execute the methods described in the embodiments or some parts of the embodiments.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present 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 solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (10)
1. A matching method for a rail vehicle brake system, comprising:
acquiring an evaluation reference value of the train to be matched according to the train axle load data of the train to be matched and the maximum train operation speed;
acquiring the characteristic attribute of each braking system, and determining an evaluation grade scoring matrix and an evaluation factor weight of each braking system according to the characteristic attribute and the evaluation reference value;
and obtaining the matching degree of each braking system according to the evaluation grade scoring matrix and the evaluation factor weight, and determining the target braking system of the train to be matched according to the matching degree.
2. Matching method for a rail vehicle brake system according to claim 1, characterized in that said characteristic properties comprise: the brake system comprises a source power type, a brake signal type, a brake control mode, a basic brake type, an electric-air composite mode, other brake modes and an antiskid brake mode, wherein the basic brake type comprises a shoe brake and a disc brake, and the other brake modes comprise brake modes except friction brake.
3. The matching method for a rail vehicle brake system according to claim 1, wherein the determining an evaluation level score matrix for each brake system according to the characteristic attribute and the evaluation reference value comprises:
according to the evaluation reference values, a plurality of evaluation reference intervals are constructed;
determining an evaluation factor coefficient of each braking system according to the characteristic attribute and a preset evaluation factor coefficient matrix;
and obtaining an evaluation grade scoring matrix of each braking system according to the evaluation reference interval and the evaluation factor coefficient.
4. The matching method for a rail vehicle brake system according to claim 1, wherein the determining an evaluation factor weight for each brake system based on the characteristic attribute and the evaluation reference value comprises:
according to the characteristic attributes and the preset evaluation reference range values, building corresponding weight values of each characteristic attribute in the preset evaluation reference range values;
and obtaining the evaluation factor weight of each braking system according to the evaluation reference value and the weight value.
5. The matching method for the rail vehicle brake system according to claim 1, wherein the obtaining of the matching degree of each brake system according to the evaluation level score matrix and the evaluation factor weight and the determining of the target brake system of the train to be matched according to the matching degree comprise:
obtaining the matching degree of each braking system according to the product of the evaluation grade scoring matrix and the evaluation factor weight;
and comparing the matching degree of each braking system, and taking the braking system with the maximum matching degree as a target braking system of the train to be matched according to the comparison result.
6. Matching method for a rail vehicle braking system according to claim 1, characterized in that the formula of the evaluation reference value is:
Q＝(M/30+Vs/500)×5；
wherein Q represents an evaluation reference value, M represents train axle weight data, and VsRepresenting the maximum operating speed of the train.
7. An adapting device for a railway vehicle braking system, comprising:
the evaluation reference value acquisition module is used for acquiring an evaluation reference value of the train to be matched according to the train axle weight data of the train to be matched and the maximum train operation speed;
the characteristic extraction module is used for acquiring the characteristic attribute of each braking system and determining the evaluation grade scoring matrix and the evaluation factor weight of each braking system according to the characteristic attribute and the evaluation reference value;
and the brake system matching module is used for acquiring the matching degree of each brake system according to the evaluation grade scoring matrix and the evaluation factor weight and determining the target brake system of the train to be matched according to the matching degree.
8. An electronic device comprising a memory, a processor and a computer program stored on the memory and executable on the processor, characterized in that the processor, when executing the computer program, carries out the steps of the matching method for a rail vehicle brake system according to any one of claims 1 to 6.
9. A non-transitory computer-readable storage medium, on which a computer program is stored, which, when being executed by a processor, carries out the steps of the matching method for a rail vehicle brake system according to any one of claims 1 to 6.
10. A computer program product comprising a computer program, characterized in that the computer program realizes the steps of the matching method for a rail vehicle brake system according to any one of claims 1 to 6 when executed by a processor.
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