CN117971907A - Brake test data processing method and device - Google Patents
Brake test data processing method and device Download PDFInfo
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- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/20—Information retrieval; Database structures therefor; File system structures therefor of structured data, e.g. relational data
- G06F16/24—Querying
- G06F16/245—Query processing
- G06F16/2457—Query processing with adaptation to user needs
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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
- G01M17/007—Wheeled or endless-tracked vehicles
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
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- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/048—Interaction techniques based on graphical user interfaces [GUI]
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- G06F3/0482—Interaction with lists of selectable items, e.g. menus
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/048—Interaction techniques based on graphical user interfaces [GUI]
- G06F3/0484—Interaction techniques based on graphical user interfaces [GUI] for the control of specific functions or operations, e.g. selecting or manipulating an object, an image or a displayed text element, setting a parameter value or selecting a range
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Abstract
The embodiment of the invention provides a method and a device for processing brake test data, wherein the method comprises the following steps: at least determining the type of the vehicle and the type of the brake test; determining collected brake test data corresponding to the vehicle type and the brake test type; performing data retrieval based on the brake test data to obtain first data; calculating the first data to obtain second data capable of reflecting whether the brake test is qualified or not; determining judgment basis data corresponding to the second data; and determining whether the brake test of the current vehicle is qualified or not at least based on the judgment basis data and the second data. The brake test data processing method can effectively process brake test data and accurately and efficiently determine whether a brake test is qualified.
Description
Technical Field
The embodiment of the invention relates to the technical field of vehicle braking, in particular to a method and a device for processing braking test data.
Background
According to the requirements of national mandatory standards, commercial vehicles have to develop braking tests according to national standards. After the braking test is finished, the phenomenon that whether the test equipment is qualified or not is judged manually according to national standard calculation data and analysis test results can occur due to imperfect test equipment. The calculation of data on the test vehicle has the problems of calculation errors and low calculation efficiency, and the test failure is easy to cause, so that the manpower, material resources and financial resources are wasted.
Disclosure of Invention
The invention provides a method and a device for processing brake test data, which can effectively process the brake test data and accurately and efficiently determine whether a brake test is qualified.
In order to solve the above technical problems, an embodiment of the present invention provides a method for processing brake test data, including:
At least determining the type of the vehicle and the type of the brake test;
Determining collected brake test data corresponding to the vehicle type and the brake test type;
performing data retrieval based on the brake test data to obtain first data;
calculating the first data to obtain second data capable of reflecting whether the brake test is qualified or not;
Determining judgment basis data corresponding to the second data;
and determining whether the brake test of the current vehicle is qualified or not at least based on the judgment basis data and the second data.
As an alternative embodiment, further comprising:
and displaying the judging result of whether the vehicle type, the braking test data, the first data, the second data and the test is successful or not based on the preset interface matching.
As an optional embodiment, the performing data retrieval based on the brake test data to obtain first data includes:
And searching and calculating based on the brake test data to at least obtain one or more first data of a whole vehicle initial speed value, initial displacement, 0.8 time initial speed value, 0.8 time initial speed displacement, 0.1 time initial speed value, 0.1 time initial speed displacement, zero speed value and zero speed displacement of the vehicle.
As an alternative embodiment, the searching and calculating based on the brake test data to obtain the initial speed value of 0.8 times includes:
calculating and determining a 0.8-time initial speed value based on the whole vehicle initial speed value;
sequentially reading and calculating the absolute value of the difference between the speed value at the next moment and the initial speed value which is 0.8 times according to the time sequence;
And when the absolute value of the difference corresponding to the next speed value is larger than the absolute value of the difference corresponding to the current speed value, determining that the speed value corresponding to the current absolute value of the difference is the latest 0.8 times of the initial speed.
As an alternative embodiment, the searching and calculating based on the brake test data to obtain the initial speed value of 0.1 times includes:
calculating and determining a 0.1-time initial speed value based on the whole vehicle initial speed value;
Sequentially reading and calculating the absolute value of the difference between the speed value at the next moment and the initial speed value which is 0.1 time according to a time sequence;
and when the absolute value of the difference corresponding to the next speed value is larger than the absolute value of the difference corresponding to the current speed value, determining that the speed value corresponding to the current absolute value of the difference is the latest 0.1 times of the initial speed.
As an optional embodiment, the retrieving and calculating based on the brake test data to obtain a zero speed value includes:
reading a vehicle speed value based on the brake test data;
Determining whether the speed value is less than a target speed value;
If yes, calculating the absolute value of the difference between the speed value and 0;
And if the absolute value of the difference corresponding to the speed value at the next moment is larger than the absolute value of the difference corresponding to the speed value at the previous moment, determining that the speed value corresponding to the smaller absolute value of the difference is the zero speed value.
As an optional embodiment, the calculating the first data to obtain second data capable of reflecting whether the brake test is qualified includes:
and calculating according to the first data to obtain the average deceleration and the braking distance which can reflect whether the braking test is qualified.
As an optional embodiment, the determining the judgment basis data corresponding to the second data includes:
and respectively calculating and determining judgment basis data corresponding to the average deceleration and judgment basis data corresponding to the braking distance based on preset parameters related to the average deceleration and the braking distance.
Another embodiment of the present invention also provides a brake test data processing apparatus, including:
The first determining module is used for determining at least the type of the vehicle and the type of the brake test;
The second determining module is used for determining the collected brake test data corresponding to the vehicle type and the brake test type;
The retrieval module is used for carrying out data retrieval according to the brake test data to obtain first data;
The processing module is used for carrying out calculation processing on the first data to obtain second data capable of reflecting whether the brake test is qualified or not;
The third determining module is used for determining judgment basis data corresponding to the second data;
And the judging module is used for determining whether the brake test of the current vehicle is qualified or not at least based on the judging basis data and the second data.
As an alternative embodiment, further comprising:
the display module is used for displaying the type of the vehicle, the type of the braking test, the braking test data, the first data, the second data and the judging result of whether the test is successful or not according to the preset interface.
Based on the disclosure of the above embodiment, it can be known that the beneficial effects of the embodiment of the invention include that by determining the type of the vehicle and the corresponding brake test type, then determining the brake test data matched with the type of the vehicle and the brake test type, retrieving the brake test data to obtain first data, and then processing the first data to obtain second data capable of reflecting whether the brake test is qualified or not, determining whether the brake test of the current vehicle is qualified or not based on the second data and the corresponding judgment basis data, the above processes are all executed by software, and manual participation in calculation and judgment are not needed, thus greatly reducing test errors, simplifying manual operation steps, and improving test efficiency and accuracy.
Additional features and advantages of the application 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 application. The objectives and other advantages of the application will be realized and attained by the structure particularly pointed out in the written description and claims thereof as well as the appended drawings.
The technical scheme of the invention is further described in detail through the drawings and the embodiments.
Drawings
The accompanying drawings are included to provide a further understanding of the application and are incorporated in and constitute a part of this specification, illustrate the application and together with the embodiments of the application, serve to explain the application. In the drawings:
fig. 1 is a flowchart of a brake test data method in an embodiment of the invention.
Fig. 2 is a setup view of a software interface in an embodiment of the invention.
FIG. 3 is another setup view of a software interface in an embodiment of the invention.
FIG. 4 is another setup view of a software interface in an embodiment of the invention.
FIG. 5 is another setup view of a software interface in an embodiment of the invention.
FIG. 6 is another setup view of a software interface in an embodiment of the invention.
Fig. 7 is a diagram showing a structure of a spreadsheet format in an embodiment of the present invention.
Fig. 8 is a flowchart of the application of the brake test data method in the embodiment of the present invention.
Fig. 9 is a flowchart of another application of the brake test data method in the embodiment of the present invention.
Fig. 10 is a flowchart of another application of the brake test data method in the embodiment of the present invention.
FIG. 11 is a graph of zero speed point versus parameter for a brake test data method in an embodiment of the present invention.
Fig. 12 is a block diagram showing a construction of a brake test data device according to an embodiment of the present invention.
Detailed Description
Hereinafter, specific embodiments of the present invention will be described in detail with reference to the accompanying drawings, but not limiting the invention.
It should be understood that various modifications may be made to the embodiments disclosed herein. Therefore, the following description should not be taken as limiting, but merely as exemplification of the embodiments. Other modifications within the scope and spirit of this disclosure will occur to persons of ordinary skill in the art.
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments of the disclosure and, together with a general description of the disclosure given above and the detailed description of the embodiments given below, serve to explain the principles of the disclosure.
These and other characteristics of the invention will become apparent from the following description of a preferred form of embodiment, given as a non-limiting example, with reference to the accompanying drawings.
It is also to be understood that, although the invention has been described with reference to some specific examples, a person skilled in the art will certainly be able to achieve many other equivalent forms of the invention, having the characteristics as set forth in the claims and hence all coming within the field of protection defined thereby.
The above and other aspects, features and advantages of the present disclosure will become more apparent in light of the following detailed description when taken in conjunction with the accompanying drawings.
Specific embodiments of the present disclosure will be described hereinafter with reference to the accompanying drawings; however, it is to be understood that the disclosed embodiments are merely examples of the disclosure, which may be embodied in various forms. Well-known and/or repeated functions and constructions are not described in detail to avoid obscuring the disclosure in unnecessary or unnecessary detail. Therefore, specific structural and functional details disclosed herein are not intended to be limiting, but merely serve as a basis for the claims and as a representative basis for teaching one skilled in the art to variously employ the present disclosure in virtually any appropriately detailed structure.
The specification may use the word "in one embodiment," "in another embodiment," "in yet another embodiment," or "in other embodiments," which may each refer to one or more of the same or different embodiments in accordance with the disclosure.
Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings.
As shown in fig. 1, an embodiment of the present invention provides a method for processing brake test data, including:
At least determining the type of the vehicle and the type of the brake test;
determining collected brake test data corresponding to the type of the vehicle and the type of the brake test;
performing data retrieval based on the brake test data to obtain first data;
calculating the first data to obtain second data capable of reflecting whether the brake test is qualified or not;
Determining judgment basis data corresponding to the second data;
And determining whether the brake test of the current vehicle is qualified or not at least based on the judgment basis data and the second data.
For example, the brake test data processing method in this embodiment may be implemented based on installing a software program capable of executing the method in this embodiment on a windows operating system, and the software program may be specifically formed by installing a Visual Studio2012 design platform on the operating system and designing the software program using the c# language. The software program can have the functions of, but is not limited to, parameter selection, data import, data retrieval, parameter display, data calculation, judging whether the test is qualified, information prompt, test result preservation and the like.
Based on the disclosure of the above embodiment, it can be known that the present embodiment has the beneficial effects that by determining the type of the vehicle and the corresponding brake test type, then determining the brake test data matched with the type of the vehicle and the brake test type, retrieving the brake test data to obtain first data, and then processing the first data to obtain second data capable of reflecting whether the brake test is qualified or not, so as to determine whether the current brake test of the vehicle is qualified or not based on the second data and the corresponding judgment basis data, the above processes are all executed by software, and do not need to participate in calculation and judgment by people, thereby greatly reducing test errors, simplifying manual operation steps, and improving test efficiency and accuracy.
Further, the method in this embodiment further includes:
And displaying the judgment result of whether the vehicle type, the brake test data, the first data, the second data and the test are successful or not based on the preset interface matching. When the display is performed based on the preset interface, reference may be specifically made to fig. 2, 3, 4 and 5, where the interface shown in the foregoing figures is implemented based on the foregoing software program. However, fig. 2 is merely an exemplary interface, and the configuration of the interface is not limited thereto in practical application. In addition, based on the software program, the automatic storage of test results can be realized, as shown in fig. 6, the software can automatically store test data, calculation results and criteria in a form of an electronic form in a software storage module, and name the test data, calculation results and criteria in a form of date of the day and the like, and the specific naming form is variable.
Further, when parameters are selected based on the software, such as selecting a vehicle type and a brake test type, parameters such as the vehicle type (specifically, M2, M3, N1, N2 and N3), the test type (e.g., 0, I, II and IIA), disconnection or combination, 0 dm and the like can be set according to a software interface prompt, so that parameter setting is completed. The software may then obtain the raw data it collects from the electronic device or from a data collection device, such as a brake test device, which may be in tabular form, as shown in fig. 7. In addition, the software interface is provided with an import key, a user can manually select imported data through the key, or based on a key input instruction, the software can automatically obtain corresponding test data from the acquisition equipment according to the previously selected parameters and import the test data into the software program for subsequent calculation.
Further, performing data retrieval based on the brake test data to obtain first data, including:
And searching and calculating based on the brake test data to at least obtain one or more first data of a whole vehicle initial speed value, initial displacement, 0.8 time initial speed value, 0.8 time initial speed displacement, 0.1 time initial speed value, 0.1 time initial speed displacement, zero speed value and zero speed displacement of the vehicle.
For example, after the test data is imported, the software can automatically read the worksheet test data in the electronic form, and automatically retrieve the data such as the initial speed, initial displacement, 0.8 times of initial speed displacement, 0.1 times of initial speed displacement, zero speed displacement, and the like of the whole vehicle, that is, the data is not limited to the above data, and other relevant test data can be included. When all the data is retrieved, the data can be matched and displayed in each data column in the display interface for the user to view.
Further, as shown in fig. 8 and 9, searching and calculating based on the brake test data to obtain a 0.8-time initial speed value includes:
calculating and determining a 0.8-time initial speed value based on the initial speed value of the whole vehicle;
sequentially reading and calculating the absolute value of the difference between the speed value at the next moment and the initial speed value which is 0.8 times according to the time sequence;
And when the absolute value of the difference corresponding to the next speed value is larger than the absolute value of the difference corresponding to the current speed value, determining that the speed value corresponding to the current absolute value of the difference is the latest 0.8 times of the initial speed.
Further, as shown in fig. 9, searching and calculating based on the brake test data to obtain a 0.1-time initial speed value includes:
Calculating and determining a 0.1-time initial speed value based on the initial speed value of the whole vehicle;
sequentially reading and calculating the absolute value of the difference between the speed value at the next moment and the initial speed value which is 0.1 time according to the time sequence;
And when the absolute value of the difference corresponding to the next speed value is larger than the absolute value of the difference corresponding to the current speed value, determining that the speed value corresponding to the current absolute value of the difference is the latest 0.1 times of the initial speed.
In practical application, the software can determine whether the initial speed value meets the requirements or not based on the brake test data before calculating the initial speed of 0.8 times and the initial speed of 0.1 times, if yes, the national standard requirements are met, and if yes, the subsequent calculation is performed.
Further, the software in this embodiment is capable of zero speed automatic retrieval, i.e. is capable of automatically retrieving true zero speed and corresponding displacement. Usually, a large number of speed points below 1km/h exist in the original data recorded by the test, and the original data cannot be quickly retrieved by manual inspection. However, the software based on the method and design in this embodiment can continuously monitor and compare the speed value satisfying the time series in the actual braking test based on 1km/h (corresponding to the target speed value), so as to immediately judge that the previous speed point is the zero speed point when the speed increases for the first time.
Specifically, the method comprises the steps of searching and calculating based on brake test data to obtain a zero speed value, wherein the zero speed value comprises the following steps:
Reading a vehicle speed value based on the brake test data;
determining whether the speed value is less than a target speed value;
if yes, calculating the absolute value of the difference between the speed value and 0;
And if the absolute value of the difference value corresponding to the speed value at the next moment is larger than the absolute value of the difference value corresponding to the speed value at the previous moment, determining that the speed value corresponding to the smaller one of the absolute values of the difference values is zero.
In the application, the speed value of the first difference absolute value increase can be calculated and determined by the method, then the speed value at the previous moment is determined to be zero based on the moment corresponding to the speed value, and specific parameters can be shown in fig. 11.
Further, the computing process is performed on the first data to obtain second data capable of reflecting whether the brake test is qualified, including:
And calculating according to the first data to obtain the average deceleration and the braking distance which can reflect whether the braking test is qualified.
In addition, when determining the judgment basis data corresponding to the second data, the method includes:
And respectively calculating and determining judgment basis data corresponding to the average deceleration and judgment basis data corresponding to the braking distance based on preset parameters related to the average deceleration and the braking distance.
Specifically, the software may automatically calculate the average deceleration (dm/ms-2) according to the following formula based on the retrieved data parameters.
Wherein:
d m -the fully issued average deceleration in meters per square second (m/s 2);
v 0 -vehicle initial speed in kilometers per hour (km/h);
v 1——0.8v0 vehicle speed in kilometers per hour (km/h);
v r——0.1v0 vehicle speed in kilometers per hour (km/h);
s b -distance travelled during from v 0 to v 1 in meters (m);
s e -distance travelled during the period from v 0 to v e in meters (m).
At the same time, the braking distance (S/m) can be calculated according to the following formula
The calculation formula of the O-type test braking distance for engine disengagement is shown in the above formula;
the following formula is an O-type test braking distance calculation formula for engine engagement;
After the result is calculated, the calculated braking distance and the average deceleration can be compared with national standard required braking distance criteria, average deceleration criteria or criteria calculated based on preset parameters, and whether the whole vehicle braking test is qualified or not can be automatically judged, so that the method is quick, accurate and efficient.
As shown in fig. 12, another embodiment of the present invention also provides a brake test data processing apparatus 100, including:
The first determining module is used for determining at least the type of the vehicle and the type of the brake test;
The second determining module is used for determining the collected brake test data corresponding to the vehicle type and the brake test type;
The retrieval module is used for carrying out data retrieval according to the brake test data to obtain first data;
The processing module is used for carrying out calculation processing on the first data to obtain second data capable of reflecting whether the brake test is qualified or not;
The third determining module is used for determining judgment basis data corresponding to the second data;
And the judging module is used for determining whether the brake test of the current vehicle is qualified or not at least based on the judging basis data and the second data.
As an alternative embodiment, further comprising:
the display module is used for displaying the type of the vehicle, the type of the braking test, the braking test data, the first data, the second data and the judging result of whether the test is successful or not according to the preset interface.
As an optional embodiment, the performing data retrieval based on the brake test data to obtain first data includes:
And searching and calculating based on the brake test data to at least obtain one or more first data of a whole vehicle initial speed value, initial displacement, 0.8 time initial speed value, 0.8 time initial speed displacement, 0.1 time initial speed value, 0.1 time initial speed displacement, zero speed value and zero speed displacement of the vehicle.
As an alternative embodiment, the searching and calculating based on the brake test data to obtain the initial speed value of 0.8 times includes:
calculating and determining a 0.8-time initial speed value based on the whole vehicle initial speed value;
sequentially reading and calculating the absolute value of the difference between the speed value at the next moment and the initial speed value which is 0.8 times according to the time sequence;
And when the absolute value of the difference corresponding to the next speed value is larger than the absolute value of the difference corresponding to the current speed value, determining that the speed value corresponding to the current absolute value of the difference is the latest 0.8 times of the initial speed.
As an alternative embodiment, the searching and calculating based on the brake test data to obtain the initial speed value of 0.1 times includes:
calculating and determining a 0.1-time initial speed value based on the whole vehicle initial speed value;
Sequentially reading and calculating the absolute value of the difference between the speed value at the next moment and the initial speed value which is 0.1 time according to a time sequence;
and when the absolute value of the difference corresponding to the next speed value is larger than the absolute value of the difference corresponding to the current speed value, determining that the speed value corresponding to the current absolute value of the difference is the latest 0.1 times of the initial speed.
As an optional embodiment, the retrieving and calculating based on the brake test data to obtain a zero speed value includes:
reading a vehicle speed value based on the brake test data;
Determining whether the speed value is less than a target speed value;
If yes, calculating the absolute value of the difference between the speed value and 0;
And if the absolute value of the difference corresponding to the speed value at the next moment is larger than the absolute value of the difference corresponding to the speed value at the previous moment, determining that the speed value corresponding to the smaller absolute value of the difference is the zero speed value.
As an optional embodiment, the calculating the first data to obtain second data capable of reflecting whether the brake test is qualified includes:
and calculating according to the first data to obtain the average deceleration and the braking distance which can reflect whether the braking test is qualified.
As an optional embodiment, the determining the judgment basis data corresponding to the second data includes:
and respectively calculating and determining judgment basis data corresponding to the average deceleration and judgment basis data corresponding to the braking distance based on preset parameters related to the average deceleration and the braking distance.
Another embodiment of the present invention also provides an electronic device, including:
one or more processors;
A memory configured to store one or more programs;
The one or more programs, when executed by the one or more processors, cause the one or more processors to implement the methods described above.
An embodiment of the present invention also provides a storage medium having stored thereon a computer program which, when executed by a processor, implements a method as described above. It should be understood that each solution in this embodiment has a corresponding technical effect in the foregoing method embodiment, which is not described herein.
Embodiments of the present invention also provide a computer program product tangibly stored on a computer-readable medium and comprising computer-readable instructions that, when executed, cause at least one processor to perform a method such as in the embodiments described above. It should be understood that each solution in this embodiment has a corresponding technical effect in the foregoing method embodiment, which is not described herein.
The computer storage medium of the present application may be a computer readable signal medium or a computer readable storage medium, or any combination of the two. The computer readable medium can be, for example but not limited to, an electronic, magnetic, optical, electromagnetic, infrared, or semiconductor system, apparatus, or device, or a combination of any of the foregoing. More specific examples of the computer-readable storage medium may include, but are not limited to: an electrical connection having one or more wires, a portable computer diskette, a hard disk, a Random Access Memory (RAM), a read-only memory (ROM), an erasable programmable read-only memory (EPROM or flash memory), an optical fiber, a portable compact disc read-only memory (CD-ROM), an optical storage media element, a magnetic storage media element, or any suitable combination of the foregoing. In the context of this document, a computer readable storage medium may be any tangible medium that can contain, or store a program for use by or in connection with an instruction execution system, apparatus, or device. In the present application, however, the computer-readable signal medium may include a data signal propagated in baseband or as part of a carrier wave, with the computer-readable program code embodied therein. Such a propagated data signal may take any of a variety of forms, including, but not limited to, electro-magnetic, optical, or any suitable combination of the foregoing. A computer readable signal medium may also be any computer readable medium that is not a computer readable storage medium and that can communicate, propagate, or transport a program for use by or in connection with an instruction execution system, apparatus, or device. Program code embodied on a computer readable medium may be transmitted using any appropriate medium, including but not limited to: wireless, antenna, fiber optic cable, RF, etc., or any suitable combination of the foregoing.
It should be understood that although the present application has been described in terms of various embodiments, not every embodiment is provided with a single embodiment, and the description is provided for clarity only, and those skilled in the art will recognize that the embodiments may be suitably combined to form other embodiments as would be understood by those skilled in the art.
The above embodiments are only exemplary embodiments of the present invention and are not intended to limit the present invention, the scope of which is defined by the claims. Various modifications and equivalent arrangements of this invention will occur to those skilled in the art, and are intended to be within the spirit and scope of the invention.
Claims (10)
1. A brake test data processing method, comprising:
At least determining the type of the vehicle and the type of the brake test;
Determining collected brake test data corresponding to the vehicle type and the brake test type;
performing data retrieval based on the brake test data to obtain first data;
calculating the first data to obtain second data capable of reflecting whether the brake test is qualified or not;
Determining judgment basis data corresponding to the second data;
and determining whether the brake test of the current vehicle is qualified or not at least based on the judgment basis data and the second data.
2. The method as recited in claim 1, further comprising:
and displaying the judging result of whether the vehicle type, the braking test data, the first data, the second data and the test is successful or not based on the preset interface matching.
3. The method of claim 1, wherein the performing data retrieval based on the brake test data to obtain first data comprises:
And searching and calculating based on the brake test data to at least obtain one or more first data of a whole vehicle initial speed value, initial displacement, 0.8 time initial speed value, 0.8 time initial speed displacement, 0.1 time initial speed value, 0.1 time initial speed displacement, zero speed value and zero speed displacement of the vehicle.
4. A method according to claim 3, wherein said retrieving, calculating, based on said brake test data, a value of 0.8 times the initial speed comprises:
calculating and determining a 0.8-time initial speed value based on the whole vehicle initial speed value;
sequentially reading and calculating the absolute value of the difference between the speed value at the next moment and the initial speed value which is 0.8 times according to the time sequence;
And when the absolute value of the difference corresponding to the next speed value is larger than the absolute value of the difference corresponding to the current speed value, determining that the speed value corresponding to the current absolute value of the difference is the latest 0.8 times of the initial speed.
5. A method according to claim 3, wherein said retrieving, calculating, based on said brake test data, a value of 0.1 times the initial speed comprises:
calculating and determining a 0.1-time initial speed value based on the whole vehicle initial speed value;
Sequentially reading and calculating the absolute value of the difference between the speed value at the next moment and the initial speed value which is 0.1 time according to a time sequence;
and when the absolute value of the difference corresponding to the next speed value is larger than the absolute value of the difference corresponding to the current speed value, determining that the speed value corresponding to the current absolute value of the difference is the latest 0.1 times of the initial speed.
6. A method according to claim 3, wherein said retrieving, calculating, based on said brake test data, a zero speed value comprises:
reading a vehicle speed value based on the brake test data;
Determining whether the speed value is less than a target speed value;
If yes, calculating the absolute value of the difference between the speed value and 0;
And if the absolute value of the difference corresponding to the speed value at the next moment is larger than the absolute value of the difference corresponding to the speed value at the previous moment, determining that the speed value corresponding to the smaller absolute value of the difference is the zero speed value.
7. A method according to claim 3, wherein said computing said first data to obtain second data capable of reflecting whether the brake test is acceptable comprises:
and calculating according to the first data to obtain the average deceleration and the braking distance which can reflect whether the braking test is qualified.
8. The method of claim 7, wherein determining the decision criterion data corresponding to the second data comprises:
and respectively calculating and determining judgment basis data corresponding to the average deceleration and judgment basis data corresponding to the braking distance based on preset parameters related to the average deceleration and the braking distance.
9. A brake test data processing apparatus, comprising:
The first determining module is used for determining at least the type of the vehicle and the type of the brake test;
The second determining module is used for determining the collected brake test data corresponding to the vehicle type and the brake test type;
The retrieval module is used for carrying out data retrieval according to the brake test data to obtain first data;
The processing module is used for carrying out calculation processing on the first data to obtain second data capable of reflecting whether the brake test is qualified or not;
The third determining module is used for determining judgment basis data corresponding to the second data;
And the judging module is used for determining whether the brake test of the current vehicle is qualified or not at least based on the judging basis data and the second data.
10. The brake test data processing apparatus according to claim 9, further comprising:
the display module is used for displaying the type of the vehicle, the type of the braking test, the braking test data, the first data, the second data and the judging result of whether the test is successful or not according to the preset interface.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202211316859.4A CN117971907A (en) | 2022-10-26 | 2022-10-26 | Brake test data processing method and device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202211316859.4A CN117971907A (en) | 2022-10-26 | 2022-10-26 | Brake test data processing method and device |
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| CN117971907A true CN117971907A (en) | 2024-05-03 |
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| CN202211316859.4A Pending CN117971907A (en) | 2022-10-26 | 2022-10-26 | Brake test data processing method and device |
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