CN114061982A - Vehicle testing method, device and system and storage medium - Google Patents
Vehicle testing method, device and system and storage medium Download PDFInfo
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- CN114061982A CN114061982A CN202111503936.2A CN202111503936A CN114061982A CN 114061982 A CN114061982 A CN 114061982A CN 202111503936 A CN202111503936 A CN 202111503936A CN 114061982 A CN114061982 A CN 114061982A
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- 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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- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
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Abstract
The invention discloses a vehicle testing method, a device, a system and a storage medium. After a test scene is created, a test working condition is constructed according to scene information of the test scene and design requirements of a vehicle; the test working conditions comprise environmental working conditions, road working conditions and vehicle state working conditions; acquiring real-time data generated when a vehicle runs in a simulation mode under each test working condition of a test scene; and analyzing the real-time data based on the standard data of the vehicle running in the test working condition, and determining the test result according to the analysis result. According to the scheme of the embodiment of the invention, the vehicle state can be tested in the simulated scene by simulating the real scene, and the result is further obtained by performing comparative analysis according to the real-time data generated by the vehicle in the simulated scene. The working efficiency of the vehicle simulation test and the accuracy of the vehicle simulation test result are improved.
Description
Technical Field
The embodiment of the invention relates to the technical field of vehicle engineering, in particular to a vehicle testing method, a device, a system and a storage medium.
Background
As the number of vehicles increases, the testing task of the vehicles becomes more and more concerned.
In the prior art, vehicles are tested in an open environment, the test period is usually long, professional drivers need to be tested, and certain dangerousness exists. The simulation test mainly comprises the steps of constructing a virtual scene library, and measuring data of a vehicle in the virtual scene library to analyze the state of the vehicle.
However, the constructed virtual scene library is often single in coverage and greatly different from a real scene, and the state of the vehicle in a real environment cannot be comprehensively simulated, so that the accuracy of a simulation test result cannot reach an ideal state.
Disclosure of Invention
The embodiment of the invention provides a vehicle testing method, a device, a system and a storage medium, which are used for improving the accuracy of vehicle electric balance simulation testing.
In a first aspect, an embodiment of the present invention provides a vehicle testing method, including:
after a test scene is created, constructing a test working condition according to scene information of the test scene and design requirements of a vehicle; the test working conditions comprise environmental working conditions, road working conditions and vehicle state working conditions;
acquiring real-time data generated when the vehicle operates in a simulation mode under each test working condition of the test scene;
and analyzing the real-time data based on the standard data of the vehicle running in the test working condition, and determining a test result according to the analysis result.
In a second aspect, an embodiment of the present invention provides a vehicle testing apparatus, including:
the building module is used for building a test condition according to scene information and design requirements of a test scene after the test scene is created; the test working conditions comprise environmental working conditions, road working conditions and vehicle state working conditions;
the acquisition module is used for acquiring real-time data generated during the simulation operation of the vehicle in each test working condition of the test scene;
and the analysis module is used for analyzing the real-time data based on the standard data of the vehicle running in the test working condition and determining a test result according to the analysis result.
In a third aspect, an embodiment of the present invention further provides a vehicle testing system, including:
one or more processors;
storage means for storing one or more programs;
the acquisition device is used for acquiring real-time data generated when the vehicle runs in a simulation mode under each test working condition of a test scene and sending the real-time data to the processor;
when executed by the one or more processors, cause the one or more processors to implement a vehicle testing method of any of the embodiments of the invention.
In a fourth aspect, embodiments of the present invention also provide a computer-readable storage medium on which a computer program is stored, which when executed by a processor, implements a vehicle testing method as provided in any of the embodiments of the present invention.
In the embodiment of the invention, a test scene is firstly created for a vehicle, and a test working condition is constructed according to scene information of the test scene and the design requirement of the vehicle; further acquiring real-time data generated when the vehicle runs in a simulation mode under each test condition of the test scene; and analyzing the real-time data based on the standard data of the vehicle running in the test working condition, and determining the test result according to the analysis result. According to the technical scheme, the vehicle state can be tested in the simulated scene through simulating the real scene, and the result is further obtained through carrying out comparative analysis according to real-time data generated by the vehicle in the simulated scene. The working efficiency of the vehicle simulation test and the accuracy of the vehicle simulation test result are improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a flowchart of a vehicle testing method according to an embodiment of the present invention;
fig. 2 is a flowchart of a vehicle testing method according to a second embodiment of the present invention;
fig. 3 is a flowchart of S210 in a vehicle testing method according to a second embodiment of the present invention;
fig. 4 is a flowchart of S210 in another vehicle testing method according to the second embodiment of the present invention;
fig. 5 is a schematic structural diagram of a vehicle testing apparatus according to a third embodiment of the present invention;
fig. 6 is a schematic structural diagram of a vehicle testing system according to a fourth embodiment of the present invention;
fig. 7 is a schematic structural diagram of another vehicle testing system according to a fourth embodiment of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures. Meanwhile, in the description of the present invention, the terms "first", "second", and the like are used only for distinguishing the description, and are not to be construed as indicating or implying relative importance.
Example one
Fig. 1 is a flowchart of a vehicle testing method according to an embodiment of the present invention, where this embodiment is applicable to performing an electrical balance test on a vehicle in a virtual test scenario, and the method may be executed by a vehicle testing apparatus according to an embodiment of the present invention, where the apparatus may be implemented in a software and/or hardware manner, as shown in fig. 1, the method specifically includes the following steps:
and S110, after the test scene is created, constructing a test working condition according to scene information of the test scene and design requirements of the vehicle.
The scene information includes, but is not limited to, road information, ambient temperature information, and ambient humidity information. The design requirements of the vehicle include elements required in the operating environment of the vehicle, such as the presence or absence of other vehicles around the vehicle, the road on which the vehicle is located, and the like. The test working conditions comprise environmental working conditions, road working conditions and vehicle state working conditions, and the environmental working conditions can comprise conditions such as vehicle running temperature, vehicle running humidity and outside temperature; the road conditions can include highways, mountain roads and other complex road conditions; the vehicle state conditions may include static conditions, power replenishment conditions, discharge conditions, and energy recovery conditions, and the power replenishment conditions may include remote power replenishment and thread power replenishment.
Specifically, a test scene is created for the vehicle, the test scene is as close to a real scene as possible, and elements such as other vehicles, roads, traffic facilities, meteorological conditions in the vehicle and the driving environment can be generally and dynamically described within a certain time and space range, so that the test scene close to the real scene is created for the vehicle. In the embodiment of the scheme, the test scene created for the vehicle can be obtained through data processing software, and the test scene can also be obtained by obtaining real scene information and editing the real scene information. And after the test scene is created, constructing a test working condition according to the scene information of the test scene and the design requirement of the vehicle. Illustratively, the scene information includes that the vehicle runs on a mountain road, no other vehicles are around, the current weather is clear, the ambient temperature is 25 ℃, and the ambient humidity is moderate (the accuracy of obtaining the ambient humidity can be adjusted according to actual needs). According to the information, a test condition can be constructed: the environment working condition of the test working condition is that the environment temperature is 25 ℃, and the environment humidity is moderate; the road working condition is a mountain road; the vehicle state condition is discharging.
In the embodiment of the invention, the test working condition can be constructed according to the scene information of the test scene and the design requirement of the vehicle, and the coverage of the test scene is enlarged, so that the test scene is closer to a real scene.
And S120, acquiring real-time data generated when the vehicle runs in a simulation mode in each test working condition of the test scene.
The real-time data generated in the simulation operation in each test working condition comprises voltage data and current data of the vehicle.
Specifically, after the vehicle starts to be tested in a test scene, each test condition can generate real-time data during simulation operation. In a test scene, a current and voltage acquisition system and a bus data acquisition system are arranged. The current and voltage acquisition system is responsible for acquiring current data and voltage data of a vehicle storage battery, a bidirectional converter and the like, and the bus data acquisition system is responsible for acquiring current data and voltage data of a vehicle bus. The vehicle bus information includes, but is not limited to, bus information such as Controller Area Network (CAN), CAN FD, Local Interconnect Network (LIN), Media Oriented System Transport (MOST), flexray (flexray connector), and Ethernet (Ethernet) on the vehicle.
Real-time data generated during simulation running of the vehicle in each test working condition of a test scene can be acquired through the current and voltage acquisition system and the bus data acquisition system.
In the embodiment of the invention, the current data and the voltage data generated when the vehicle runs in a simulation mode under each test working condition of the test scene can be acquired in real time so as to obtain the test result of the relevant performance of the vehicle.
And S130, analyzing the real-time data based on the standard data of the vehicle running in the test working condition, and determining the test result according to the analysis result.
The standard data may be data that should be generated when the vehicle operates in a real scene according to the design condition of the vehicle.
Specifically, after the current data and the voltage data of the storage battery and the bidirectional converter and the current data and the voltage data of the vehicle bus are acquired from the current and voltage acquisition system and the bus data acquisition system, the real-time data are analyzed based on standard data. Specifically, it may be compared whether voltage data generated by the vehicle storage battery and the bidirectional converter in the simulation operation in each test condition of the test scenario exceeds a standard voltage range, whether current data exceeds a standard current range, and whether current data and voltage data generated by the vehicle bus exceed bus standard current data and bus standard voltage data. And if the real-time data of the vehicle running in the test working condition exceeds the range of the standard data, determining that the test result is not in accordance with the standard. And if the real-time data of the vehicle running in the test working condition does not exceed the range of the standard data, determining that the test result is in accordance with the standard.
According to the technical scheme of the embodiment, after the test scene is created, the test working condition is constructed according to the scene information of the test scene and the design requirement of the vehicle; the test working conditions comprise environmental working conditions, road working conditions and vehicle state working conditions; acquiring real-time data generated when a vehicle runs in a simulation mode under each test working condition of a test scene; and analyzing the real-time data based on the standard data of the vehicle running in the test working condition, and determining the test result according to the analysis result. And testing the vehicle state in a simulated scene by simulating a real scene, and performing comparative analysis according to real-time data generated by the vehicle in the simulated scene to further obtain a result. The working efficiency of the vehicle simulation test and the accuracy of the vehicle simulation test result are improved.
Example two
Fig. 2 is a flowchart of a vehicle testing method according to a second embodiment of the present invention, and the present embodiment details the vehicle testing method based on the second embodiment. As shown in fig. 2, the method of this embodiment specifically includes the following steps:
and S210, after the test scene is created, constructing a test working condition according to scene information of the test scene and design requirements of the vehicle.
Fig. 3 is a flowchart of S210 in a vehicle testing method according to a second embodiment of the present invention, as shown in fig. 3, in an implementation manner, S210 may specifically include:
and S2110, in the data processing software, adjusting the scene information of the standard test scene according to design requirements to obtain target scene information.
The target scene information may include target road information, target environment information, and target vehicle state information, among others. The target road information comprises target road condition information, such as mountainous roads, urban roads, expressways or mountainous roads with complex terrain; the target environment information comprises environment information such as vehicle operation temperature and humidity, current weather and the like; the target vehicle state includes information that the target vehicle is static or dynamic, whether there are other vehicles running or stationary around, a charging state of the target vehicle, whether it is remote charging, and whether the target vehicle is in a discharging state. The data processing software can be intelligent driving simulation scene software, such as Matlab, Saber, Altair Flux and the like.
Specifically, an electric balance simulation model (standard test scenario) built for a vehicle by using data processing software includes: the system comprises a current and voltage acquisition system, a storage battery, a bidirectional converter, a bus data acquisition system, an electric appliance load, an environmental chamber control system, a four-wheel drive shaft coupling dynamometer control system, a load switch control system and the like. The electric appliance load can comprise various resistive, inductive and capacitive electric appliance loads such as various lamps, motors, controllers and the like. Wherein, the environmental chamber control system is used for environmental temperature control, environmental humidity control and the like. The four-drive-shaft coupling dynamometer control system comprises a shaft coupling dynamometer control cabinet, a four-drive-shaft coupling dynamometer and the like, wherein the four-drive-shaft coupling dynamometer is used for simulating vehicle running working conditions including European ECE-15 working conditions, European driving period NEDC working conditions, JC08 working conditions, mountain road working conditions and the like.
Illustratively, when the design requirements are: when the test vehicle is in a mountain road section and no other vehicle exists around the test vehicle, and the current weather is clear, the ambient temperature is 25 ℃ and the ambient humidity is moderate, the test vehicle can utilize data processing software to adjust a working condition control model, and particularly can set the ambient temperature to be 25 ℃ and the ambient humidity to be moderate; the road working condition is set as mountain road; the vehicle state condition is set to discharge. Further, the scene information of the standard test scene is adjusted by using data processing software to obtain target scene information.
S2111, creating a test scene based on the target scene information.
Wherein the test scenario is as close as possible to the real scenario. And after obtaining the target scene information by using the data processing software, creating a test scene according to the target road information, the target environment information and the target vehicle state information. Illustratively, the ambient temperature of the target scene information is 25 ℃, and the ambient humidity is moderate; the road working condition is a mountain road; the vehicle state condition is discharging. Setting the temperature of the environmental chamber control system to be 25 ℃ and setting the environmental humidity to be moderate according to the information; the four-wheel drive shaft coupling dynamometer control system sets a driving road to be a mountain road, and the storage battery is set to be in a discharging state. In the embodiment of the invention, the target scene information is obtained through the data processing software to further determine the test scene, so that the task amount of creating the test scene can be simplified, and the working efficiency of vehicle test is improved.
Fig. 4 is a flowchart of S210 in another vehicle testing method provided in the second embodiment of the present invention, as shown in fig. 4, in another implementation, S210 may specifically include:
s2120, editing the obtained real road information according to design requirements to obtain target road information, editing the obtained real environment information to obtain target environment information, and editing the obtained real vehicle state information to obtain target vehicle state information.
The target road information includes target road condition information, such as a mountain road, an urban road, an expressway or a roundabout road with complex terrain. The target environment information comprises environment information such as the running temperature and humidity of the vehicle, the current weather and the like. The target vehicle state information includes information that the target vehicle is static or dynamic, whether there are other vehicles traveling or stationary around, the charge state of the target vehicle, and whether it is remote charging.
Specifically, acquiring the real road information includes acquiring road condition information of a real road, acquiring the real environment information including temperature and humidity of an environment where the real environment information is located, and acquiring the real vehicle state information including information such as a driving state of a vehicle and a charging state of the vehicle. For example, the target road information is a congested section in an urban area, the target environment information is snow in winter, and the vehicle is in a driving state. The obtained real road information is a congested road section in an urban area, and the vehicle is in a running state. Due to the fact that real environment information of the snowing day cannot be acquired currently, the target environment information can be acquired by adding the acquired real environment information and adding the environmental temperature and the environmental humidity of the snowing day.
S2121, constructing a test scene according to the target road information, the target environment information and the target vehicle state information.
The target scene information comprises target road information and target environment information.
Optionally, S2121 may specifically include:
simulating the road condition of the vehicle in the running of the test scene according to the road information; wherein the road working condition comprises a mountain road working condition; simulating the environmental working condition of the vehicle in the running of the test scene according to the environmental information; simulating the vehicle state working condition of the vehicle in the test scene according to the design requirement; the vehicle state working conditions comprise static working conditions, electricity supplementing working conditions and energy recovery working conditions.
In the embodiment of the invention, the test scene is constructed according to the real scene information, so that the test scene is closer to the real scene, and the obtained result is more accurate. And the comprehensiveness of test verification is ensured and the test efficiency is improved by paying attention to different road working condition requirements of the vehicle.
In the embodiment of the scheme, the test scene can be obtained by adjusting the scene information of the standard test scene through the data processing software, and the test scene can also be obtained by acquiring and editing the real environment information. The test scene created by the two implementation modes can be implemented properly according to the requirements of users or the specific settings of the test method, so that the cost for creating the test scene is reduced, and the test efficiency is improved.
And S220, acquiring real-time data generated when the vehicle runs in a simulation mode under each test working condition of the test scene.
Optionally, the real-time data includes: voltage data and current data.
Specifically, a charging device, a storage battery, a bidirectional converter and the like are arranged in a test scene. The charging device may be a device for charging a new energy vehicle. After the vehicle starts to be tested in a test scene, each test working condition can generate current data and voltage data during simulation operation, wherein the current data and the voltage data comprise voltage data and current data generated by a vehicle bus and current data and voltage data in a storage battery and a bidirectional converter. And acquiring current data and voltage data of the storage battery and the bidirectional converter and current data and voltage data of a vehicle bus through a current and voltage acquisition system and a bus data acquisition system.
And S230, if the vehicle state data deviates from the target vehicle state information, adjusting the vehicle state data based on the target vehicle state information.
The vehicle state data includes voltage data, current data, and current data and voltage data in the battery and bi-directional converter generated by the vehicle bus. For example, when the vehicle is in a charging state, the current data or the voltage data in the storage battery exceeds the standard current data or the voltage data, and the vehicle state can be adjusted timely, such as the voltage or the current output of the charging equipment is reduced.
In the embodiment of the invention, the vehicle state data is adjusted in time when the vehicle state data deviates from the target vehicle state information, so that the vehicle can be dynamically adjusted, and the test efficiency is improved.
And S240, analyzing the real-time data based on the standard data of the vehicle running in the test working condition, and determining the test result according to the analysis result.
Optionally, the standard data includes a standard voltage range and a standard current range, and accordingly, S240 specifically includes:
comparing the voltage data with a standard voltage range, and comparing the current data with a standard current range; and if the voltage data is within the standard voltage range and the current data is within the standard current range, determining that the test result meets the design requirement. Of course, if the voltage data is not within the standard voltage range, or the current data is not within the standard current range, it is determined that the test result does not meet the design requirements.
In the embodiment of the invention, the real-time data generated by the vehicle in the simulation scene is compared with the standard data to obtain the result, so that the electric balance state of the vehicle in the real scene can be estimated, and the working efficiency of the vehicle simulation test and the accuracy of the vehicle simulation test result are improved.
According to the technical scheme of the embodiment, after the test scene is created, the test working condition is constructed according to the scene information of the test scene and the design requirement of the vehicle; the test working conditions comprise environmental working conditions, road working conditions and vehicle state working conditions; acquiring real-time data generated when a vehicle runs in a simulation mode under each test working condition of a test scene; and analyzing the real-time data based on the standard data of the vehicle running in the test working condition, and determining the test result according to the analysis result. And testing the vehicle state in a simulated scene by simulating a real scene, and performing comparative analysis according to real-time data generated by the vehicle in the simulated scene to further obtain a result. The working efficiency of the vehicle simulation test and the accuracy of the vehicle simulation test result are improved.
EXAMPLE III
Fig. 5 is a schematic structural diagram of a vehicle testing device according to a third embodiment of the present invention. The present embodiment may be applicable to perform an electrical balance test on a vehicle in a virtual test scenario, where the apparatus may be implemented in a software and/or hardware manner, and the apparatus may be integrated in any device providing a vehicle test function, as shown in fig. 5, the apparatus for vehicle test specifically includes:
the building module 510 is configured to build a test condition according to scene information and design requirements of a test scene after the test scene is created; the test working conditions comprise environmental working conditions, road working conditions and vehicle state working conditions;
an acquiring module 520, configured to acquire real-time data generated during simulation operation of a vehicle in each test condition of the test scenario;
an analyzing module 530, configured to analyze the real-time data based on standard data of the vehicle running in the test condition, and determine a test result according to an analysis result.
Optionally, the building block 510 specifically includes:
the first acquisition unit is used for adjusting the scene information of the standard test scene according to the design requirement in the data processing software to obtain target scene information; the target scene information comprises target road information, target environment information and target vehicle state information;
a first test scenario creating unit configured to create the test scenario based on the target scenario information.
Optionally, the building block 510 further includes:
the second acquisition unit is used for editing the acquired real road information according to the design requirement to obtain target road information, editing the acquired real environment information to obtain target environment information, and editing the acquired real vehicle state information to obtain target vehicle state information;
and the second test scene construction unit is used for constructing the test scene according to the target road information, the target environment information and the target vehicle state information.
Optionally, the scene information includes road information and environment information, and accordingly, the building module 510 is specifically configured to:
simulating the road working condition of the vehicle when the vehicle runs in the test scene according to the road information; the road working condition comprises a mountain road working condition;
simulating the environmental working condition of the vehicle when the vehicle runs in the test scene according to the environmental information;
simulating the vehicle state working condition of the vehicle when the vehicle runs in the test scene according to the design requirement; the vehicle state working conditions comprise static working conditions, electricity supplementing working conditions and energy recovery working conditions.
Optionally, the real-time data includes voltage data and current data.
Optionally, the standard data includes a standard voltage range and a standard current range, and the analysis module 530 is specifically configured to:
comparing the voltage data with the standard voltage range, and comparing the current data with the standard current range;
and if the voltage data is within the standard voltage range and the current data is within the standard current range, determining that the test result meets the design requirement.
Optionally, the real-time data further includes: vehicle state data, the apparatus further comprising, accordingly:
an adjustment module to adjust the vehicle state data based on the target vehicle state information if the vehicle state data deviates from the target vehicle state information.
The product can execute the method provided by any embodiment of the invention, and has corresponding functional modules and beneficial effects of the execution method.
Example four
Fig. 6 is a schematic structural diagram of a vehicle testing system according to an embodiment of the present invention, and as shown in fig. 6, the apparatus includes a processor 610, a storage device 620, and an obtaining device 630; the number of processors 610 in the device may be one or more, and one processor 610 is taken as an example in fig. 6; the processor 610, the storage 620 and the retrieving 630 of the device may be connected by a bus or other means, for example, in fig. 6.
The storage device 620, as a computer-readable storage medium, may be used to store software programs, computer-executable programs, and modules, such as program modules corresponding to the charging control method in the embodiment of the present invention (e.g., the building module 510, the obtaining module 520, and the analyzing module 530 in the vehicle testing device). The processor 610 executes various functional applications and data processing of the device by running software programs, instructions, and modules stored in the storage device 620, that is, implements the charging control method described above.
The storage device 620 may mainly include a storage program area and a storage data area, wherein the storage program area may store an operating system, an application program required for at least one function; the storage data area may store data created according to the use of the terminal, and the like. Further, storage 620 may include high speed random access storage and may also include non-volatile storage, such as at least one magnetic disk storage device, flash memory device, or other non-volatile solid state storage device. In some examples, the storage 620 may further include storage remotely located from the processor 610, which may be connected to the device over a network. Examples of such networks include, but are not limited to, the internet, intranets, local area networks, mobile communication networks, and combinations thereof.
The obtaining device 630 may be configured to obtain real-time data generated when the vehicle operates in a simulation mode in each test condition of the test scenario, and send the real-time data to the processor.
In this embodiment, optionally, fig. 7 is a schematic structural diagram of another vehicle testing system provided in the fourth embodiment of the present invention, as shown in fig. 7, the processor 610 may be an electric balance simulation testing server based on a vehicle comprehensive operating environment, and the obtaining device is connected to the server. Wherein, the acquisition device includes: the system comprises a four-drive-shaft coupling dynamometer, an environment cabin control system, a voltage and current acquisition system and a bus data acquisition system. The test system also comprises charging equipment, a storage battery, a bidirectional converter and other load currents and the like.
The electric balance simulation test server real-time control acquisition device based on the vehicle comprehensive running environment acquires real-time data. The system can specifically control an environment cabin control system to collect environment information and vehicle state information, a four-wheel drive shaft coupling dynamometer control system to collect road information, a voltage and current collection system to collect voltage data and current data of a vehicle, a bus data collection system to collect current and voltage data of a vehicle bus, and an electric balance simulation test server based on a vehicle comprehensive operation environment analyzes the data based on standard data of the vehicle during operation in a test working condition and determines a test result according to an analysis result.
Specifically, the control system of the four-wheel drive shaft coupling dynamometer receives test scene information in real time and drives the shaft coupling dynamometer to generate a road working condition according with the test scene, so that the vehicle to be tested is identified as running in a real road environment. The control system of the four-drive-shaft coupling dynamometer is used for extracting the dynamic running state of the four-drive-shaft coupling dynamometer in real time and feeding the dynamic running state back to an electric balance simulation test server based on the vehicle comprehensive running environment in real time for being compared with a test scene in real time for verification and dynamic adjustment.
Further, the electric balance simulation test server based on the vehicle comprehensive operation environment synchronously analyzes, processes and compares various back-collected signals of the environment cabin control system, the four-wheel drive shaft coupling dynamometer, the voltage and current collecting system, the bus data collecting system and the like in real time, judges whether the tested electric balance performance meets the requirements of related design targets under various comprehensive operation environments, and judges the test result.
According to the technical scheme of the embodiment of the invention, the server, the storage device and the acquisition device are connected. The server can control the acquisition device to acquire road information, environmental information, vehicle state information, vehicle current and voltage data and vehicle bus current and voltage data, so that the server can simulate road conditions, environmental conditions and vehicle state conditions when the vehicle runs in a test scene. And further acquiring real-time data generated by the vehicle in the simulated operation in each test working condition of the test scene, analyzing the real-time data based on the standard data of the vehicle in the operation in the test working condition, and determining a test result according to the analysis result. The comprehensiveness of test verification is ensured, and the working efficiency of vehicle simulation test and the accuracy of vehicle simulation test results are improved.
EXAMPLE five
Fifth embodiment of the present invention provides a computer-readable storage medium, on which a computer program is stored, where the computer program, when executed by a processor, implements a vehicle testing method according to any embodiment of the present invention: the method comprises the following steps:
after a test scene is created, constructing a test working condition according to scene information of the test scene and design requirements of a vehicle; the test working conditions comprise environmental working conditions, road working conditions and vehicle state working conditions; acquiring real-time data generated when the vehicle operates in a simulation mode under each test working condition of the test scene; and analyzing the real-time data based on the standard data of the vehicle running in the test working condition, and determining a test result according to the analysis result.
The computer readable medium may be a computer readable signal medium or a computer readable storage medium, among others. A computer readable storage medium may be, for example, but not limited to, an electronic, magnetic, optical, electromagnetic, infrared, or semiconductor system, apparatus, or device, or any combination of the foregoing. More specific examples (a non-exhaustive list) of the computer readable storage medium would include the following: an electrical connection having one or more wires, a portable computer diskette, a hard disk, a Random Access Memory (RAM), a read-only memory (ROM), an erasable programmable read-only memory (EPROM or flash memory), an optical fiber, a portable compact disc read-only memory (CD-ROM), an optical storage device, a magnetic storage device, or any suitable combination of the foregoing. In the context of this document, a computer readable storage medium may be any tangible medium that can contain, or store a program for use by or in connection with an instruction execution system, apparatus, or device.
A computer readable signal medium may include a propagated data signal with computer readable program code embodied therein, for example, in baseband or as part of a carrier wave. Such a propagated data signal may take many forms, including, but not limited to, electro-magnetic, optical, or any suitable combination thereof. 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, wireline, optical fiber cable, RF, etc., or any suitable combination of the foregoing.
Computer program code for carrying out operations for aspects of the present invention may be written in any combination of one or more programming languages, including an object oriented programming language such as Java, Smalltalk, C + +, or the like, as well as conventional procedural programming languages, such as the "C" programming language or similar programming languages. The program code may execute entirely on the user's computer, partly on the user's computer, as a stand-alone software package, partly on the user's computer and partly on a remote computer or entirely on the remote computer or server. In the case of a remote computer, the remote computer may be connected to the user's computer through any type of network, including a Local Area Network (LAN) or a Wide Area Network (WAN), or the connection may be made to an external computer (for example, through the Internet using an Internet service provider).
It is to be noted that the foregoing is only illustrative of the preferred embodiments of the present invention and the technical principles employed. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments illustrated herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail by the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the spirit of the present invention, and the scope of the present invention is determined by the scope of the appended claims.
Claims (10)
1. A vehicle testing method, characterized in that the method comprises:
after a test scene is created, constructing a test working condition according to scene information of the test scene and design requirements of a vehicle; the test working conditions comprise environmental working conditions, road working conditions and vehicle state working conditions;
acquiring real-time data generated when the vehicle operates in a simulation mode under each test working condition of the test scene;
and analyzing the real-time data based on the standard data of the vehicle running in the test working condition, and determining a test result according to the analysis result.
2. The vehicle testing method of claim 1, wherein creating a test scenario comprises:
in data processing software, adjusting scene information of a standard test scene according to the design requirement to obtain target scene information; the target scene information comprises target road information, target environment information and target vehicle state information;
creating the test scenario based on the target scenario information.
3. The vehicle testing method of claim 1, wherein creating a test scenario comprises:
editing the obtained real road information according to the design requirement to obtain target road information, editing the obtained real environment information to obtain target environment information, and editing the obtained real vehicle state information to obtain target vehicle state information;
and constructing the test scene according to the target road information, the target environment information and the target vehicle state information.
4. The vehicle testing method according to claim 1, wherein the scenario information includes road information and environment information, and accordingly, the test condition is constructed according to the scenario information of the test scenario and the design requirement of the vehicle, including:
simulating the road working condition of the vehicle when the vehicle runs in the test scene according to the road information; the road working condition comprises a mountain road working condition;
simulating the environmental working condition of the vehicle when the vehicle runs in the test scene according to the environmental information;
simulating the vehicle state working condition of the vehicle when the vehicle runs in the test scene according to the design requirement; the vehicle state working conditions comprise static working conditions, electricity supplementing working conditions and energy recovery working conditions.
5. The vehicle testing method of claim 1, wherein the real-time data comprises: voltage data and current data.
6. The vehicle testing method of claim 5, wherein the standard data comprises a standard voltage range and a standard current range, and accordingly, the real-time data is analyzed based on the standard data when the vehicle operates in the test condition, and a test result is determined according to the analysis result, comprising:
comparing the voltage data with the standard voltage range, and comparing the current data with the standard current range;
and if the voltage data is within the standard voltage range and the current data is within the standard current range, determining that the test result meets the design requirement.
7. A vehicle testing method according to any of claims 2-3, wherein said real-time data further comprises: the vehicle state data, correspondingly, after acquiring real-time data generated when the vehicle simulates operation in each of the test conditions of the test scenario, further includes:
adjusting the vehicle state data based on the target vehicle state information if the vehicle state data deviates from the target vehicle state information.
8. A vehicle testing apparatus, comprising:
the building module is used for building a test condition according to scene information and design requirements of a test scene after the test scene is created; the test working conditions comprise environmental working conditions, road working conditions and vehicle state working conditions;
the acquisition module is used for acquiring real-time data generated during the simulation operation of the vehicle in each test working condition of the test scene;
and the analysis module is used for analyzing the real-time data based on the standard data of the vehicle running in the test working condition and determining a test result according to the analysis result.
9. A vehicle testing system, comprising:
one or more processors;
storage means for storing one or more programs;
the acquisition device is used for acquiring real-time data generated when the vehicle runs in a simulation mode under each test working condition of a test scene and sending the real-time data to the processor;
when executed by the one or more processors, cause the one or more processors to implement the vehicle testing method of any of claims 1-7.
10. A storage medium containing computer executable instructions for performing the vehicle testing method of any one of claims 1-7 when executed by a computer processor.
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