CN113155490A - Brake control warning method, medium, equipment and system for vehicle test - Google Patents
Brake control warning method, medium, equipment and system for vehicle test Download PDFInfo
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- CN113155490A CN113155490A CN202110441714.6A CN202110441714A CN113155490A CN 113155490 A CN113155490 A CN 113155490A CN 202110441714 A CN202110441714 A CN 202110441714A CN 113155490 A CN113155490 A CN 113155490A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M17/00—Testing of vehicles
- G01M17/08—Railway vehicles
Abstract
The invention belongs to the field of vehicle control, and provides a brake control warning method, medium, equipment and system for vehicle test. The method comprises the steps of obtaining the distance between a vehicle and a vehicle stopper and judging the change condition of the vehicle; in the process that the distance between the vehicle and the vehicle stopper is gradually reduced, the distance and the braking distance corresponding to the corresponding grade are compared step by step according to the set braking control priority in real time; the higher the brake control priority is, the smaller the corresponding brake distance is; in the distance comparison of the corresponding levels, if the distance between the vehicle and the vehicle stopper is less than or equal to the braking distance corresponding to the current level, immediately generating a braking control prompt of the current level; otherwise, the distance comparison of the next level is continued, and if the next level does not exist, the brake control prompt is not generated. The vehicle brake control warning device can warn brake control of vehicle tests, and guarantees safety of test equipment and stability of data.
Description
Technical Field
The invention belongs to the field of vehicle control, and particularly relates to a brake control warning method, medium, equipment and system for vehicle test.
Background
The statements in this section merely provide background information related to the present disclosure and may not necessarily constitute prior art.
With the development of rail transit, the safety requirements for equipment are higher and higher. Such as: modern trams, it all must be checked the vehicle on the vehicle test line before carrying out dynamic debugging and inspection of shipment in the factory, this just needs car stop to ensure the safety of vehicle in dynamic debugging.
The inventor finds that the traditional vehicle judges the distance between the vehicle and the vehicle stopper to perform braking control on the vehicle through long-term working experience of a worker for debugging/testing the vehicle in the dynamic debugging process, the vehicle may be in a situation of vehicle intrusion at the moment, and the braking control prompt is lacked in the current dynamic debugging process of the vehicle, so that the vehicle cannot be completely stopped in the distance between the vehicle and the vehicle stopper due to braking control operation, the vehicle and the vehicle stopper are damaged, accurate vehicle test data cannot be acquired, and the vehicle parameter debugging efficiency is reduced.
Disclosure of Invention
In order to solve the technical problems in the background art, the invention provides a brake control warning method, medium, device and system for a vehicle test, which can warn the brake control of the vehicle test and ensure the safety of the test device and the stability of data.
In order to achieve the purpose, the invention adopts the following technical scheme:
the first aspect of the invention provides a brake control warning method for a vehicle test, which comprises the following steps:
acquiring the distance between the vehicle and the vehicle stopper, and judging the change condition of the vehicle;
in the process that the distance between the vehicle and the vehicle stopper is gradually reduced, the distance and the braking distance corresponding to the corresponding grade are compared step by step according to the set braking control priority in real time; the higher the brake control priority is, the smaller the corresponding brake distance is;
in the distance comparison of the corresponding levels, if the distance between the vehicle and the vehicle stopper is less than or equal to the braking distance corresponding to the current level, immediately generating a braking control prompt of the current level; otherwise, the distance comparison of the next level is continued, and if the next level does not exist, the brake control prompt is not generated.
A second aspect of the present invention provides a brake control warning system for vehicle testing, comprising:
the distance change judging module is used for acquiring the distance between the vehicle and the vehicle stopper and judging the change condition of the distance;
the distance comparison module is used for comparing the distance with the braking distance corresponding to the corresponding grade step by step according to the set braking control priority in real time in the process that the distance between the vehicle and the vehicle stopper is gradually reduced; the higher the brake control priority is, the smaller the corresponding brake distance is;
the brake control reminding module is used for immediately generating the brake control reminding of the current level if the distance between the vehicle and the vehicle stopper is less than or equal to the brake distance corresponding to the current level in the distance comparison of the corresponding level; otherwise, the distance comparison of the next level is continued, and if the next level does not exist, the brake control prompt is not generated.
A third aspect of the present invention provides a computer readable storage medium having stored thereon a computer program which, when executed by a processor, carries out the steps in the brake control warning method of a vehicle test as described above.
A fourth aspect of the invention provides a computer apparatus comprising a memory, a processor and a computer program stored on the memory and executable on the processor, the processor when executing the program implementing the steps in the brake control warning method for vehicle testing as described above.
The fifth aspect of the invention provides a vehicle test system, which comprises a distance measuring device, a vehicle stopper and the brake control warning system for the vehicle test;
the car stopper is arranged on the test line;
the distance measuring device is arranged on the vehicle and used for measuring the distance between the vehicle and the vehicle stopper and transmitting the distance to the brake control warning system for the vehicle test.
Compared with the prior art, the invention has the beneficial effects that:
the invention provides a brake control warning method for a vehicle test, which judges the change condition of a distance between a vehicle and a vehicle stopper by acquiring the distance, compares the distance with the brake distance corresponding to a corresponding grade step by step according to a set brake control priority in real time in the process that the distance between the vehicle and the vehicle stopper is gradually reduced, and judges whether a brake control prompt of the current grade is generated or not by comparing the distance between the vehicle and the vehicle stopper and the brake distance corresponding to the current grade in the distance comparison of the corresponding grade, thereby solving the problem that the vehicle cannot completely stop to damage the vehicle and the vehicle stopper in the distance between the vehicle and the vehicle stopper due to the brake control operation, and ensuring the safety of test equipment and the stability of data by the brake control warning of the vehicle test.
Advantages of additional aspects of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate exemplary embodiments of the invention and together with the description serve to explain the invention and not to limit the invention.
FIG. 1 is a flow chart of a brake control warning method for vehicle testing according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of a brake control warning system for vehicle testing according to an embodiment of the present invention;
FIG. 3 is a side view of a vehicle bumper of an embodiment of the present invention;
FIG. 4 is a top view of a vehicle bumper of an embodiment of the present invention;
FIG. 5 is a view of the movable base and the anti-creeper interface of an embodiment of the present invention.
Detailed Description
The invention is further described with reference to the following figures and examples.
It is to be understood that the following detailed description is exemplary and is intended to provide further explanation of the invention as claimed. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the invention. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
Example one
The embodiment provides a brake control warning method for a vehicle test, which specifically comprises the following steps:
step S101: and acquiring the distance between the vehicle and the vehicle stopper, and judging the change condition of the vehicle.
In a specific implementation, the distance between the vehicle and the car stopper can be measured by a distance measuring device, such as: laser rangefinders or other distance measuring devices, and the like. The change condition of the distance S between the vehicle and the car stopper can be judged by comparing the distance S between the vehicle and the car stopper obtained at the two moments.
The change condition of the distance S between the vehicle and the car stopper is divided into two types, wherein one type is that the distance S between the vehicle and the car stopper is gradually reduced, and the other type is that the distance S between the vehicle and the car stopper is gradually increased.
And in the process that the distance S between the vehicle and the vehicle stopper is gradually increased, the brake control reminding is not generated. Because the distance S between the vehicle and the stopper becomes large in this process, the vehicle does not collide with the stopper.
It should be noted here that the car stopper of the present embodiment may adopt an existing car stopper structure, such as: the braking friction force of the car stopper adopts a step-by-step increasing sequence, N pairs of braking friction blocks are selected according to the maximum rated impact speed of the tramcar and the total weight of the car, and the maximum rated value is reached and the car is kept stable after the car moves for a certain distance (for example, 330 mm). The specific structure of the car stopper is specifically given in the following embodiments.
Step S102: in the process that the distance between the vehicle and the vehicle stopper is gradually reduced, the distance and the braking distance corresponding to the corresponding grade are compared step by step according to the set braking control priority in real time; the higher the brake control priority is, the smaller the corresponding brake distance is;
in the distance comparison of the corresponding levels, if the distance between the vehicle and the vehicle stopper is less than or equal to the braking distance corresponding to the current level, immediately generating a braking control prompt of the current level; otherwise, the distance comparison of the next level is continued, and if the next level does not exist, the brake control prompt is not generated.
And the braking distance corresponding to the braking control priority is calculated by the real-time speed of the vehicle and the deceleration corresponding to the corresponding braking control priority.
In some embodiments, the braking control priority is two levels, respectively: emergency braking → safety braking.
And the braking distance corresponding to the emergency braking is the theoretical distance of the emergency braking. And the braking distance corresponding to the safe braking is the theoretical distance of the safe braking.
In particular, the theoretical spacing S of emergency braking1＝V2/2a1For example: a is1Deceleration corresponding to emergency braking of 2.3m/s2Wherein a is1The specific judgment of emergency braking varies with different projects and is as follows:
if the real-time distance S between the vehicle and the vehicle stopper is smaller than S1An emergency braking alert is generated immediately, such as: and outputting the real-time speed V, the real-time distance S and the password to display equipment: emergency braking ", and simultaneously receiving a real-time spacing S and a real-time velocity V.
It should be noted here that S is based on actual operation and current line status1The safe distance of a vehicle or other empirical values may also be increased.
If the real time of the vehicle and the car stopThe distance S is greater than S1Then, the judgment of safe braking is continued; theoretical spacing S of safety brake2＝V2/2a2For example: a is2Deceleration corresponding to safe braking of 1.5m/s2Wherein a is2The specific judgment of the safe braking is that the braking is changed with different projects:
if the real-time distance S between the vehicle and the vehicle stopper is smaller than S2Then a safety brake alert is generated immediately, such as: and outputting the real-time speed V, the real-time distance S and the password to display equipment: safety braking ", and receiving both the real-time spacing S and the real-time velocity V.
It should be noted here that S is based on actual operation and current line status2The safe distance of a vehicle or other empirical values may also be increased.
In the embodiment, since the priority of the brake control is two-level, if the real-time distance S between the vehicle and the car stopper is greater than S2No brake control alert is generated.
In another embodiment, as shown in fig. 1, the braking control priority is three levels, which are: emergency braking → safety braking → maximum service braking. And the braking distance corresponding to the maximum service braking is the maximum service braking theoretical distance.
If the real-time distance S between the vehicle and the vehicle stopper is larger than S2Then continuing to judge the maximum service braking; maximum service brake theoretical spacing S3＝V2/2a3For example: a is3Deceleration corresponding to maximum service braking of 1.2m/s2Wherein a is3And varies from item to item. The specific judgment of the maximum service brake is as follows:
if the real-time distance S between the vehicle and the vehicle stopper is smaller than S3Then the maximum service brake alert is generated immediately, for example outputting to a display device: "real-time velocity V, real-time distance S, password: maximum service braking ", and simultaneously receiving a real-time interval S and a real-time speed V;
if the real-time distance S between the vehicle and the vehicle stopper is larger than S3If the vehicle test is in the safe range, the brake control prompt is not generated, and the direction display is usedOutputting by the equipment: safety and traffic.
It should be noted that, according to the actual operation and the current situation of the line, S3The safe distance of a vehicle or other empirical values may also be increased.
In the brake control warning method for the vehicle test of the embodiment, the brake reminding is performed according to the preset brake control priority, so that the vehicle can be prevented from intruding, and the safety and stability of the vehicle in the test can be guaranteed.
Example two
As shown in fig. 2, the present embodiment provides a brake control warning system for vehicle test, which includes:
the distance change judging module is used for acquiring the distance between the vehicle and the vehicle stopper and judging the change condition of the distance;
the distance comparison module is used for comparing the distance with the braking distance corresponding to the corresponding grade step by step according to the set braking control priority in real time in the process that the distance between the vehicle and the vehicle stopper is gradually reduced; the higher the brake control priority is, the smaller the corresponding brake distance is;
the brake control reminding module is used for immediately generating the brake control reminding of the current level if the distance between the vehicle and the vehicle stopper is less than or equal to the brake distance corresponding to the current level in the distance comparison of the corresponding level; otherwise, the distance comparison of the next level is continued, and if the next level does not exist, the brake control prompt is not generated.
It should be noted that the distance change determining module, the distance comparing module and the braking control reminding module of the present embodiment correspond to the steps of the first embodiment, and the specific implementation process is the same, which is not described herein again.
EXAMPLE III
The present embodiment provides a computer-readable storage medium, on which a computer program is stored, which when executed by a processor implements the steps in the brake control warning method for vehicle testing as described in the first embodiment above.
Example four
The embodiment provides a computer device, which comprises a memory, a processor and a computer program stored on the memory and capable of running on the processor, wherein the processor executes the program to realize the steps in the brake control warning method for vehicle test as described in the first embodiment.
EXAMPLE five
The embodiment provides a vehicle test system, which comprises a distance measuring device, a vehicle stopper and the brake control warning system for the vehicle test as described in the second embodiment. The car stopper is arranged on the test line; the distance measuring device is arranged on the vehicle and used for measuring the distance between the vehicle and the vehicle stopper and transmitting the distance to the brake control warning system for the vehicle test.
The range unit of this embodiment adopts laser range finder to realize, and its periodicity carries out data detection, acquires the distance that modern tram kept off from the car, and the unit is: m, converted into real-time speed (unit: km/h) through calculation. The skilled person can also specifically select the specific model of the distance measuring device or other existing distance measuring equipment according to the actual situation.
The specific structure of the car stopper will be described in detail as shown in fig. 3-4:
in the present embodiment, the stopper includes the impact guide device of the low floor dedicated bumper and the stopper main body. The collision guide device fully considers the structural characteristics of vehicles (such as modern tramcars), takes the modern tramcars as an example, the car couplers of the modern tramcars are in a contraction state in the processes of dynamic debugging, test running and formal operation of a host factory, and different from the car couplers of urban rail subways and motor train units, the car couplers of the modern tramcars cannot be used as energy absorption elements to play a role in the collision process, so that collision prevention energy absorption structures (anti-creepers) at two ends of the modern tramcars are used as energy absorption parts of car bumpers. For example: with actual motorcycle type and specific requirement, the height of the anti-climbing device meshing surface center to the rail surface of this embodiment is 850mm, the transverse height of the anti-climbing beam is 150mm, the width of the anti-climbing teeth is 1221mm, the installation distance of the energy-absorbing element of the anti-climbing beam is 1600mm, the impact guiding device adopts an arc structure, the anti-climbing teeth are identical with the anti-collision energy-absorbing structure of the modern tramcar, the universality and the applicability of the modern tramcar stopper are improved, and the height of the anti-climbing teeth in the impact guiding device is slightly larger than the height of the anti-climbing device of the tramcar.
The bottom of the impact guide device of the embodiment is fixed on the track in the direction of the Z axis (vertical to the track), 2 groups of rollers are arranged in the direction of the Y axis (parallel to the track), the impact guide device is movable, the X axis (horizontal to vertical to the track) is not allowed to shake, and the test line track at the two ends of a host factory or a user vehicle generally adopts 50kg/m or 60kg/m steel rails. The collision guide device and the car stopper main body structure are installed in a split mode, the collision guide device can only move towards the car stopper direction along the rail after being collided by a modern tramcar, the collision tramcar moves towards the car stopper direction in a back-to-back mode after being removed, and automatic resetting of the collision guide device is achieved through gas-liquid buffering.
The anti-collision energy absorption structures (anti-creepers) at two ends of the modern tramcar are used as energy absorption parts of car stops, the action principle is different from that of car couplers, an arc-shaped structure is adopted by a collision guide device at the front end of a movable base, and as shown in figure 5, the anti-creep teeth are matched with the anti-collision energy absorption structures of the modern tramcar, so that the anti-creep device is highly suitable for the modern tramcar.
The collision guide device is provided with 4 groups of independent hanging points, so that abnormal conditions such as heeling or overturning are not generated in the hoisting process, and the requirements of flaw detection and the like are met. The braking friction force of the modern tramcar stopper adopted in the embodiment adopts a step-by-step increasing sequence, N pairs of braking friction blocks are selected according to the maximum rated impact speed of the tramcar and the total weight of the tramcar, and the maximum rated value is reached and kept stable after the tramcar stopper moves for a certain distance (for example, 330 mm). Considering the safety of modern trams, the braking deceleration is generally less than (3-4) m/s2In order to protect the safety of people on the vehicle, the braking deceleration must not be greater than 1.5m/s2The influence of factors such as the total length of a running line or a test line, the space of the end part and the like is received, the car stopper is arranged at the end part of the line, the whole ballast bed is adopted on the basis in a working area, the length is generally less than 5m, and the sliding distance is free of a track joint. Based on safety consideration, in the working range of the brake friction block, the anti-throwing net is added to prevent the brake friction block from splashing to hurt people and objects after the car stopper is impacted by the high-speed grade of the modern tramcar, and stainless steel is adoptedThe steel material, prevent throwing net mesh size 25 x 25mm, height is 2000 mm.
In this embodiment, the vehicle testing system further includes a local storage subsystem, and the local storage subsystem is connected to the brake control warning system of the vehicle test.
In other embodiments, the brake control warning system for vehicle testing further comprises a power supply system (configured with solar panels and solar cells) local display subsystem, a handheld deceleration setting subsystem and a line warning subsystem.
Specifically, the power supply system mainly comprises a solar panel and a solar cell, is used for acquiring electric energy and supplying power to the laser range finder, the upper computer and the display;
the local display subsystem: the real-time speed of the tested train and the distance between the train and the stop transmitted by the test line warning control subsystem are displayed in real time from the start of power on, and the real-time speed and the distance between the train and the stop are installed on the top of the stop; the display screen has the following colors: yellow font, display screen shell protection level IP43 or higher. And three warning lights are arranged, which are respectively as follows: green warning light, yellow warning light and red warning light (take the sound light sudden strain of a muscle to flash), above warning light shell protection level IP63, the concrete description is:
green warning light: the test line is smooth and safe, the distance between the vehicle and the bumper is enough, and the vehicle can continue to run and carry out the test;
a yellow warning lamp: in the representative test line, the distance between the vehicle and the vehicle bumper is at a warning position, and a vehicle driver needs to operate according to a password;
red warning light: the automobile safety protection system is accompanied by acousto-optic sudden flashing, represents danger, is not enough to avoid collision between an automobile and a bumper, indicates a driver to make a person after operating emergency braking, and reminds automobile testers to make anti-collision measures.
The local storage subsystem: the special data memory is arranged and used for storing the real-time speed and the distance between the test vehicle and the bumper in the line test process, the clock in the test line warning control subsystem is adopted and used for data analysis in the test process, and particularly once a modern tramcar has an impact accident, the special data memory can provide data support and is used for restoring the real vehicle running state.
A communication subsystem: the information transmission with "test wire warning control subsystem" gives "local display subsystem" and "circuit warning subsystem", shows in real time and reminds the driver, and the information upload who will "handheld deceleration sets up subsystem" simultaneously gives "test wire warning control subsystem" for "test wire warning control subsystem" carries out the parameter updating, and this communication subsystem can adopt wired, wireless mode to transmit, contains singly not to be restricted to: the network cable, the optical fiber, the 4G or the 5G mode.
A handheld deceleration setting subsystem: the default maximum service brake average deceleration (70km/h-0km/h including response time) of the modern tramcar is more than or equal to 1.2m/s2(ii) a The average deceleration (70km/h-0km/h, including response time) of the emergency brake is more than or equal to 2.3m/s2(ii) a The average deceleration (70km/h-0km/h, including response time) of the safety brake is more than or equal to 1.5m/s2. If the corresponding parameters and the default parameters are changed, the parameters are updated through the system, and the parameters are uploaded to the test line warning control subsystem through the communication subsystem to be updated.
For example: 5 LED display screens (5 in the embodiment, can be increased according to use requirements and cost considerations) are arranged on the test line at unequal intervals, and the distances from the car bumper are respectively 32m, 64m, (82+32) m, (126+32) m and (157+32) m, wherein 32m is the length of the tramcar, and 82m is the emergency braking theoretical distance of the highest running speed; 126m is the theoretical distance of safe braking at the highest running speed; 157m is the maximum service brake theoretical distance for the highest running speed, and the vehicle brake deceleration is matched with the specific vehicle type. All LED display screens show in step, are provided with the power by local solar panel and solar cell, and the mounted position requires: LED display screen, solar cell and solar panel all are outside vehicle operation dynamic envelope line, do not influence the normal operating of vehicle, and the LED display screen colour is: yellow font.
As will be appreciated by one skilled in the art, embodiments of the present invention may be provided as a method, system, or computer program product. Accordingly, the present invention may take the form of a hardware embodiment, a software embodiment, or an embodiment combining software and hardware aspects. Furthermore, the present invention may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, optical storage, and the like) having computer-usable program code embodied therein.
The present invention is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of the invention. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
It will be understood by those skilled in the art that all or part of the processes of the methods of the embodiments described above can be implemented by a computer program, which can be stored in a computer-readable storage medium, and when executed, can include the processes of the embodiments of the methods described above. The storage medium may be a magnetic disk, an optical disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), or the like.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (13)
1. A brake control warning method for vehicle test is characterized by comprising the following steps:
acquiring the distance between the vehicle and the vehicle stopper, and judging the change condition of the vehicle;
in the process that the distance between the vehicle and the vehicle stopper is gradually reduced, the distance and the braking distance corresponding to the corresponding grade are compared step by step according to the set braking control priority in real time; the higher the brake control priority is, the smaller the corresponding brake distance is;
in the distance comparison of the corresponding levels, if the distance between the vehicle and the vehicle stopper is less than or equal to the braking distance corresponding to the current level, immediately generating a braking control prompt of the current level; otherwise, the distance comparison of the next level is continued, and if the next level does not exist, the brake control prompt is not generated.
2. The brake control warning method for the vehicle test according to claim 1, wherein the brake control warning is not generated in a process that the distance between the vehicle and the stopper is gradually increased.
3. The brake control warning method for vehicle test according to claim 1, wherein the brake control priority is two levels, which are respectively: emergency braking → safety braking.
4. The brake control warning method for vehicle test according to claim 1, wherein the brake control priority is three levels, which are respectively: emergency braking → safety braking → maximum service braking.
5. The brake control warning method for the vehicle test according to claim 3 or 4, wherein the braking distance corresponding to the emergency braking is an emergency braking theoretical interval.
6. The brake control warning method for the vehicle test according to claim 3 or 4, wherein the braking distance corresponding to the safe braking is a safe braking theoretical interval.
7. The method for brake control warning for vehicle testing according to claim 4, wherein the braking distance corresponding to the maximum service brake is a maximum service brake theoretical interval.
8. The method for brake control warning of vehicle test according to claim 1, wherein the braking distance corresponding to the brake control priority is calculated from the real-time speed of the vehicle and the deceleration corresponding to the corresponding brake control priority.
9. A brake control warning system for vehicle testing, comprising:
the distance change judging module is used for acquiring the distance between the vehicle and the vehicle stopper and judging the change condition of the distance;
the distance comparison module is used for comparing the distance with the braking distance corresponding to the corresponding grade step by step according to the set braking control priority in real time in the process that the distance between the vehicle and the vehicle stopper is gradually reduced; the higher the brake control priority is, the smaller the corresponding brake distance is;
the brake control reminding module is used for immediately generating the brake control reminding of the current level if the distance between the vehicle and the vehicle stopper is less than or equal to the brake distance corresponding to the current level in the distance comparison of the corresponding level; otherwise, the distance comparison of the next level is continued, and if the next level does not exist, the brake control prompt is not generated.
10. A computer-readable storage medium, on which a computer program is stored which, when being executed by a processor, carries out the steps in the brake control warning method of a vehicle test according to any one of claims 1 to 8.
11. A computer device comprising a memory, a processor and a computer program stored on the memory and executable on the processor, wherein the processor when executing the program implements the steps in a brake control warning method for vehicle testing according to any one of claims 1-8.
12. A vehicle test system, which is characterized by comprising a distance measuring device, a vehicle stopper and a brake control warning system for vehicle test according to claim 9;
the car stopper is arranged on the test line;
the distance measuring device is arranged on the vehicle and used for measuring the distance between the vehicle and the vehicle stopper and transmitting the distance to the brake control warning system for the vehicle test.
13. The vehicle testing system of claim 12, further comprising a local storage subsystem coupled to a brake control warning system of the vehicle test.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113799842A (en) * | 2021-10-20 | 2021-12-17 | 中车青岛四方机车车辆股份有限公司 | Intelligent anti-climbing system and control method for rail train and rail train |
| CN114312920A (en) * | 2022-01-04 | 2022-04-12 | 中车株洲电力机车有限公司 | Rail vehicle early warning braking device and method for test line |
| CN114802353A (en) * | 2022-04-24 | 2022-07-29 | 中车浦镇阿尔斯通运输系统有限公司 | Emergency braking method and system for rail transit vehicle |
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