CN114283365B - Fishhook test tire ground clearance verification method and device - Google Patents
Fishhook test tire ground clearance verification method and device Download PDFInfo
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Abstract
The invention aims to provide a fish hook test tire ground clearance verification method and equipment, which comprises the steps of respectively installing anti-rolling brackets at the head and the tail of a vehicle, respectively arranging moving cameras at the two ends of a long rod at the tail of the vehicle, aligning lenses of each moving camera with two wheels at the corresponding side surfaces of the vehicle, acquiring video images of the wheels at the two sides of the vehicle and the ground through the moving cameras during a fish hook test, and judging whether the fish hook test is successful or not based on the acquired video images of the wheels at the two sides of the vehicle and the ground. The invention not only can provide effective and reliable basis for success or failure of the fishhook test, but also ensures the safety of equipment and personnel to the greatest extent.
Description
Technical Field
The invention relates to a fish hook test tire lift-off verification method and equipment.
Background
SUV off-road vehicles are increasingly popular in the market today, and the rolling resistance of SUV vehicles is an important safety evaluation performance, and the fish hook test (fishhook) is an objective test for verifying the performance. The fishhook test is a test to test whether a vehicle is at risk of rollover under extreme operating conditions to ensure that a vehicle being sold will not rollover accidents during emergency avoidance.
The current fishhook test scheme mainly judges whether the tire is lifted off the ground in the test process through a vehicle height sensor and a manual visual recognition mode.
Firstly, a mode of installing a height sensor on a vehicle body is adopted, a series of measurement works are needed before a test, and the height of a tire when the tire is off the ground is confirmed in advance and recorded; and after the test is finished, analyzing the data to judge the current test result. This approach also requires a lot of time to prepare for the pre-stage, and also adds a height sensor to the vehicle and makes wiring complicated. Because the test working condition is severe, the motion amplitude of the vehicle body is large, and the additional installation of the height sensor is extremely easy to damage test equipment.
Secondly, by means of manual visual recognition, people need to be additionally arranged in the field, and a great potential hazard is caused in terms of safety.
Disclosure of Invention
The invention provides a fish hook test tire ground clearance verification method and equipment.
The invention provides a fish hook test tire lift-off verification method, which comprises the following steps:
The rolling-preventing support is a long rod longer than the width of the vehicle, and two ends of each long rod extend out of two sides of the head or the tail of the vehicle;
two ends of a long rod at the tail of the vehicle are respectively provided with a moving camera, and the lens of each moving camera is aligned to two wheels at the corresponding side face of the vehicle;
During a fishhook test, video images of wheels on two sides of a vehicle and the ground are collected through the moving camera;
And judging whether the fishhook test is successful or not based on the collected video images of the wheels on the two sides of the vehicle and the ground.
Further, in the above method, during the fish hook test, capturing video images of wheels and the ground on two sides of the vehicle by the moving camera includes:
The vehicle is controlled to turn at 720 DEG/s from 56kph, the vehicle is controlled to turn at 270 DEG suddenly to the left, and then at the same speed, the vehicle is controlled to turn at 540 DEG suddenly to the right until the speed of the vehicle reaches 80kph, and video images of the wheels on both sides of the vehicle and the ground are acquired through the motion camera.
Further, in the above method, during the fish hook test, capturing video images of wheels and the ground on two sides of the vehicle by the moving camera includes:
During a fishhook test, the moving camera collects video images of wheels on two sides of a vehicle and the ground;
the motion camera transmits the video image to a display of the vehicle via bluetooth.
Further, in the above method, the lens of each motion camera is aligned to two wheels on the corresponding side of the vehicle,
And controlling the vertical distance between the lens of the motion camera and the corresponding side surface of the vehicle to be in the range of 0.6-0.9 times of the width of the vehicle.
Further, in the above method, based on the collected video images of the wheels on both sides of the vehicle and the ground, judging whether the fishhook test is successful, including:
analyzing the collected video images of the wheels on the two sides of the vehicle and the ground, judging whether the wheels on the two sides of the vehicle are separated from the ground,
If the wheel is lifted off the ground in the fishhook experiment process, the fishhook experiment fails;
If the wheels are not lifted off the ground all the time in the fishhook experiment process, the fishhook experiment is successful.
Further, in the above method, analyzing the collected video images of the wheels on both sides of the vehicle and the ground to determine whether the wheels on both sides of the vehicle are separated from the ground, including:
Analyzing the collected video images of the wheels on the two sides of the vehicle and the ground, judging whether the wheels on the two sides of the vehicle are more than a preset distance from the ground,
If the wheel is lifted off the ground in the fishhook test process, the fishhook test fails, including:
If the distance between the wheel and the ground exceeds a preset distance in the fishhook experiment process, the fishhook experiment fails;
If the wheel is not lifted off the ground all the time in the fishhook experiment process, the fishhook experiment is successful, and the fishhook experiment comprises the following steps:
If the distance between the wheel and the ground in the fishhook experimental process is not more than the preset distance all the time, the fishhook experiment is successful.
Further, in the above method, if the wheel is more than a preset distance from the ground during the fishhook test, the fishhook test fails, including:
If the distance between the wheels and the ground exceeds a preset distance in the fishhook experiment process, acquiring corresponding vehicle speed and steering wheel corner information when the distance between the wheels and the ground exceeds the preset distance, and if the acquired corresponding vehicle speed is within a preset vehicle speed range and the acquired corresponding steering wheel corner information is within a preset steering wheel corner range, failing the fishhook experiment;
If the distance between the wheels and the ground is not over the preset distance, acquiring corresponding speed and steering wheel angle information when the distance between the wheels and the ground is not over the preset distance, and if the acquired corresponding speed is within the preset speed range and the acquired corresponding steering wheel angle information is within the preset steering wheel angle range, the fishhook test is successful.
Further, in the above method, the preset distance is 2 inches.
According to another aspect of the present invention, a fish hook test tire lift-off verification apparatus includes:
the anti-rolling support is arranged at the head and the tail of the vehicle, the anti-rolling support is a long rod longer than the width of the vehicle, and two ends of each long rod extend out of two sides of the head or the tail;
The moving cameras are respectively arranged at two ends of the long rod of the tail of the vehicle, and the lens of each moving camera is aligned with two wheels on the corresponding side face of the vehicle; the motion camera is used for collecting video images of wheels on two sides of the vehicle and the ground during a fishhook test;
And the analysis module is used for judging whether the fishhook test is successful or not based on the collected video images of the wheels on the two sides of the vehicle and the ground.
In the above-mentioned fish hook test tire verification of leaving the ground equipment, still include:
The control module is used for controlling the speed of the vehicle from 56kph to carry out steering at 720 degrees/s, controlling the vehicle to rapidly strike 270 degrees to the left, then controlling the vehicle to rapidly strike 540 degrees to the right at the same speed until the speed of the vehicle reaches 80kph, and controlling the motion camera to acquire video images of wheels and the ground on two sides of the vehicle.
In the fish hook test tire ground clearance verification device, the motion camera is used for sending the video image to a display of the vehicle through Bluetooth.
In the fish hook test tire ground clearance verification device, the vertical distance between the lens of the motion camera and the corresponding side surface of the vehicle is in the range of 0.6-0.9 times of the width of the vehicle.
In the above fishhook test tire ground clearance verification device, the analysis module is used for analyzing the collected video images of the wheels on two sides of the vehicle and the ground, judging whether the wheels on two sides of the vehicle are separated from the ground, and if the wheels are separated from the ground in the fishhook test process, judging that the fishhook test fails; if the wheels are not separated from the ground all the time in the fishhook experiment process, judging that the fishhook experiment is successful.
In the above fishhook test tire ground clearance verification device, the analysis module is configured to analyze the collected video images of the wheels on both sides of the vehicle and the ground, determine whether the wheels on both sides of the vehicle are more than a preset distance from the ground, and if the wheels are more than the preset distance from the ground in the fishhook test process, determine that the fishhook test fails; if the distance between the wheel and the ground in the fishhook experiment process is not more than the preset distance all the time, judging that the fishhook experiment is successful.
In the above fishhook test tire ground clearance verification device, the analysis module is configured to obtain the corresponding vehicle speed and steering wheel corner information when the wheel is over a preset distance in the fishhook test process, if the wheel is over the preset distance in the fishhook test process, and if the obtained corresponding vehicle speed is within a preset vehicle speed range and the obtained corresponding steering wheel corner information is within a preset steering wheel corner range, the fishhook test fails; if the distance between the wheels and the ground is not over the preset distance, acquiring corresponding speed and steering wheel angle information when the distance between the wheels and the ground is not over the preset distance, and if the acquired corresponding speed is within the preset speed range and the acquired corresponding steering wheel angle information is within the preset steering wheel angle range, judging that the fishhook test is successful.
In the fish hook test tire ground clearance verification device, the preset distance is 2 inches.
According to another aspect of the present invention there is also provided a computer readable medium having stored thereon computer readable instructions executable by a processor to implement the method of any one of the above.
According to another aspect of the present invention there is also provided an apparatus for information processing at a network device, the apparatus comprising a memory for storing computer program instructions and a processor for executing the program instructions, wherein the computer program instructions, when executed by the processor, trigger the apparatus to perform the method of any of the preceding claims.
The tire ground clearance judging mode utilizes the advantages of high convenience, reliability and picture definition of the moving cameras, the two moving cameras are fixed at the tail ends of the external rolling prevention frames at the two sides through the special support, and the lenses are aligned to the tires at the two sides, so that the effect of real-time monitoring is achieved, and the success or failure of a fishhook test can be more intuitively confirmed. The invention simplifies the preparation work before the test, replaces the manual visual observation and reduces the risk coefficient of the test. The invention not only can provide effective and reliable basis for success or failure of the fishhook test, but also ensures the safety of equipment and personnel to the greatest extent.
Drawings
FIG. 1 is a schematic view of an installation of fish hook test tire lift-off verification apparatus according to an embodiment of the present invention;
fig. 2 is a schematic diagram of a vehicle control for a fish hook test according to an embodiment of the present invention.
Detailed Description
The invention is described in further detail below with reference to the accompanying drawings.
In one exemplary configuration of the application, the terminal, the device of the service network, and the trusted party each include one or more processors (CPUs), input/output interfaces, network interfaces, and memory.
The memory may include volatile memory in a computer-readable medium, random Access Memory (RAM) and/or nonvolatile memory, such as Read Only Memory (ROM) or flash memory (flash RAM). Memory is an example of computer-readable media.
Computer readable media, including both non-transitory and non-transitory, removable and non-removable media, may implement information storage by any method or technology. The information may be computer readable instructions, data structures, modules of a program, or other data. Examples of storage media for a computer include, but are not limited to, phase change memory (PRAM), static Random Access Memory (SRAM), dynamic Random Access Memory (DRAM), other types of Random Access Memory (RAM), read Only Memory (ROM), electrically Erasable Programmable Read Only Memory (EEPROM), flash memory or other memory technology, compact disc read only memory (CD-ROM), digital Versatile Discs (DVD) or other optical storage, magnetic cassettes, magnetic tape disk storage or other magnetic storage devices, or any other non-transmission medium, which can be used to store information that can be accessed by a computing device. Computer readable media, as defined herein, does not include non-transitory computer readable media (transmission media), such as modulated data signals and carrier waves.
The invention provides a fish hook test tire lift-off verification method, which comprises the following steps:
Step S1, as shown in FIG 1, rolling-preventing brackets are respectively arranged at the head and the tail of a vehicle, the rolling-preventing brackets are long rods 1 longer than the width of the vehicle, and two ends of each long rod 1 extend out of two sides of the head or the tail;
step S2, respectively arranging moving cameras 2 at two ends of a long rod at the tail of the vehicle, and aligning lenses of each moving camera with two wheels 3 at corresponding sides of the vehicle;
S3, during a fishhook test, acquiring video images of wheels and the ground on two sides of a vehicle through the motion camera;
and S4, judging whether the fishhook test is successful or not based on the collected video images of the wheels on the two sides of the vehicle and the ground.
Here, the moving camera has noise-and-shake-resistant characteristics, and can provide stable high-quality video data even under severe operating conditions. The invention uses a smaller professional motion camera to record in a short distance to replace a manual visual inspection mode. The invention also utilizes a special fixing bracket to fix the moving camera at the tail end of the external rolling-preventing frame. The portable professional motion camera is utilized to realize real-time image transmission, and whether the tire is off the ground or not, namely whether the tire has a rollover trend or not can be observed in real time based on the image, so that whether the test is successful or not can be accurately judged at the first time.
The tire ground clearance judging mode utilizes the advantages of high convenience, reliability and picture definition of the moving cameras, the two moving cameras are fixed at the tail ends of the external rolling prevention frames at the two sides through the special support, and the lenses are aligned to the tires at the two sides, so that the effect of real-time monitoring is achieved, and the success or failure of a fishhook test can be more intuitively confirmed. The invention simplifies the preparation work before the test, replaces the manual visual observation and reduces the risk coefficient of the test. The invention not only can provide effective and reliable basis for success or failure of the fishhook test, but also ensures the safety of equipment and personnel to the greatest extent.
As shown in fig. 2, in an embodiment of the fish hook test tire lift-off verification method of the present invention, step S3, during a fish hook test, acquires video images of wheels and the ground on both sides of a vehicle through the motion camera, including:
The vehicle is controlled to turn at 720 DEG/s from 56kph, the vehicle is controlled to turn at 270 DEG suddenly to the left, then at the same speed, the vehicle is controlled to turn at 540 DEG suddenly to the right until the speed of the vehicle reaches 80kph, and video images of the wheels on both sides of the vehicle and the ground are acquired through the motion camera.
Here, the embodiment can ensure that the motion camera collects accurate video images of wheels on two sides of the vehicle and the ground for judging whether the fishhook experiment is successful or not by accurately controlling the speed and the steering of the vehicle.
In one embodiment of the fish hook test tire lift-off verification method of the present invention, step S3, during the fish hook test, acquires video images of wheels and the ground on both sides of a vehicle through the motion camera, including:
Step S31, during a fishhook test, the video images of wheels and the ground on two sides of the vehicle are collected by the moving camera;
In step S32, the motion camera transmits the video image to a display of the vehicle through bluetooth.
The video image is transmitted to the display in the car by the moving camera in a Bluetooth signal mode, so that real-time monitoring is achieved.
In one embodiment of the fish hook test tire lift-off verification method of the present invention, step S2, the lens of each motion camera is aligned to two wheels on the corresponding side of the vehicle,
And controlling the vertical distance between the lens of the motion camera and the corresponding side surface of the vehicle to be in the range of 0.6-0.9 times of the width of the vehicle.
Here, fix the motion camera respectively at back anti-roll support both ends, the motion camera is specific in the concrete position at back anti-roll support both ends, can turn to input direction according to the steering wheel and decide, in the fishhook test process, can gather unilateral internal measurement two-wheeled state image in real time through the motion camera to with on the display in the car is transmitted to the state image, and simultaneously record, convenient further verification.
In order for the lens to clearly acquire images of two wheels on the corresponding side of the vehicle, the vertical distance between the lens of the motion camera and the corresponding side of the vehicle needs to be controlled within a proper range, and the vertical distance between the lens of the motion camera and the corresponding side of the vehicle can be controlled within a range of 0.6-0.9 times of the width of the vehicle, so as to ensure that the lens acquires images of the vehicle which are sufficiently clear, for example, the vertical distance can be 0.715 times of the width of the vehicle.
In one embodiment of the fish hook test tire lift-off verification method of the present invention, step S4, based on the collected video images of the wheels and the ground on both sides of the vehicle, judges whether the fish hook test is successful, includes:
Step S41, analyzing the collected video images of the wheels on both sides of the vehicle and the ground, judging whether the wheels on both sides of the vehicle are separated from the ground,
Step S42, if the wheels are lifted off the ground in the fishhook experiment process, the fishhook experiment fails;
in step S43, if the wheel is not lifted off the ground all the time in the fishhook test process, the fishhook test is successful.
Here, 90% of rollover accidents occur when the tires of the vehicle are separated from the road surface, so that it is a key to ensure the running safety of the vehicle to keep the tires of the vehicle in contact with the road surface.
In one embodiment of the fish hook test tire ground clearance verification method of the present invention, step S41, analyzing the collected video images of the wheels on both sides of the vehicle and the ground, and determining whether the wheels on both sides of the vehicle are separated from the ground, includes:
Step S411, analyzing the collected video images of the wheels on both sides of the vehicle and the ground, determining whether the wheels on both sides of the vehicle are more than a preset distance from the ground,
Step S42, if the wheel is lifted off the ground during the fishhook test, the fishhook test fails, including:
step S421, if the wheel is more than a preset distance from the ground in the fishhook experiment process, the fishhook experiment fails;
Step S43, if the wheels are not separated from the ground all the time in the fishhook experiment process, the fishhook experiment is successful, and the method comprises the following steps:
in step S431, if the wheel is not more than the preset distance from the ground all the time in the fishhook test process, the fishhook test is successful.
Here, the embodiment can more accurately determine whether the fish hook test fails or succeeds by determining whether the wheels on both sides of the vehicle are more than a preset distance from the ground.
In one embodiment of the fish hook test tire lift-off verification method of the present invention, step S421, if the wheel is lifted off the ground more than a preset distance during the fish hook test, the fish hook test fails, comprising:
If the distance between the wheels and the ground exceeds a preset distance in the fishhook experiment process, acquiring corresponding vehicle speed and steering wheel corner information when the distance between the wheels and the ground exceeds the preset distance, and if the acquired corresponding vehicle speed is within a preset vehicle speed range and the acquired corresponding steering wheel corner information is within a preset steering wheel corner range, failing the fishhook experiment;
step S431, if the wheel is not more than the preset distance from the ground all the time in the fishhook experiment process, the fishhook experiment is successful, including:
If the distance between the wheels and the ground is not over the preset distance, acquiring corresponding speed and steering wheel angle information when the distance between the wheels and the ground is not over the preset distance, and if the acquired corresponding speed is within the preset speed range and the acquired corresponding steering wheel angle information is within the preset steering wheel angle range, the fishhook test is successful.
Here, when the tire is detected to be lifted off, the current vehicle speed and steering wheel angle information can be automatically recorded.
The fishhook test is required to be carried out in a preset vehicle speed range and a steering wheel angle range, and if the distance between the wheels and the ground exceeds a preset distance, and the vehicle speed and the steering wheel angle of the vehicle are in the preset vehicle speed range and the steering wheel angle range, the fishhook test fails; if the distance between the wheels and the ground is not more than the preset distance, and the vehicle speed and the steering wheel angle are in the preset speed range and the steering wheel angle range at the moment, the fishhook test is successful.
According to the embodiment, whether the fish hook experiment is successful or failed can be accurately judged by combining whether the distance between the wheels and the ground is preset and whether the corresponding vehicle speed is within the preset vehicle speed range and whether the acquired corresponding steering wheel angle information is within the preset steering wheel angle range.
In an embodiment of the fish hook test tire lift-off verification method of the present invention, the preset distance is 2 inches.
Here, during the fishhook test, whether the wheels are off the ground can be observed, and if the wheels on the side of the turning direction of the vehicle (both inner wheels) are 2 inches (5.08 cm) or more from the ground, it can be considered that the vehicle has a possibility of turning over.
According to another aspect of the present invention, a fish hook test tire lift-off verification apparatus includes:
the anti-rolling support is arranged at the head and the tail of the vehicle, the anti-rolling support is a long rod longer than the width of the vehicle, and two ends of each long rod extend out of two sides of the head or the tail;
The moving cameras are respectively arranged at two ends of the long rod of the tail of the vehicle, and the lens of each moving camera is aligned with two wheels on the corresponding side face of the vehicle; the motion camera is used for collecting video images of wheels on two sides of the vehicle and the ground during a fishhook test;
And the analysis module is used for judging whether the fishhook test is successful or not based on the collected video images of the wheels on the two sides of the vehicle and the ground.
In the above-mentioned fish hook test tire verification of leaving the ground equipment, still include:
The control module is used for controlling the speed of the vehicle from 56kph to carry out steering at 720 degrees/s, controlling the vehicle to rapidly strike 270 degrees to the left, then controlling the vehicle to rapidly strike 540 degrees to the right at the same speed until the speed of the vehicle reaches 80kph, and controlling the motion camera to acquire video images of wheels and the ground on two sides of the vehicle.
In the fish hook test tire ground clearance verification device, the motion camera is used for sending the video image to a display of the vehicle through Bluetooth.
In the fish hook test tire ground clearance verification device, the vertical distance between the lens of the motion camera and the corresponding side surface of the vehicle is in the range of 0.6-0.9 times of the width of the vehicle.
In the above fishhook test tire ground clearance verification device, the analysis module is used for analyzing the collected video images of the wheels on two sides of the vehicle and the ground, judging whether the wheels on two sides of the vehicle are separated from the ground, and if the wheels are separated from the ground in the fishhook test process, judging that the fishhook test fails; if the wheels are not separated from the ground all the time in the fishhook experiment process, judging that the fishhook experiment is successful.
In the above fishhook test tire ground clearance verification device, the analysis module is configured to analyze the collected video images of the wheels on both sides of the vehicle and the ground, determine whether the wheels on both sides of the vehicle are more than a preset distance from the ground, and if the wheels are more than the preset distance from the ground in the fishhook test process, determine that the fishhook test fails; if the distance between the wheel and the ground in the fishhook experiment process is not more than the preset distance all the time, judging that the fishhook experiment is successful.
In the above fishhook test tire ground clearance verification device, the analysis module is configured to obtain the corresponding vehicle speed and steering wheel corner information when the wheel is over a preset distance in the fishhook test process, if the wheel is over the preset distance in the fishhook test process, and if the obtained corresponding vehicle speed is within a preset vehicle speed range and the obtained corresponding steering wheel corner information is within a preset steering wheel corner range, the fishhook test fails; if the distance between the wheels and the ground is not over the preset distance, acquiring corresponding speed and steering wheel angle information when the distance between the wheels and the ground is not over the preset distance, and if the acquired corresponding speed is within the preset speed range and the acquired corresponding steering wheel angle information is within the preset steering wheel angle range, judging that the fishhook test is successful.
In the fish hook test tire ground clearance verification device, the preset distance is 2 inches.
According to another aspect of the present invention there is also provided a computer readable medium having stored thereon computer readable instructions executable by a processor to implement the method of any one of the above.
According to another aspect of the present invention there is also provided an apparatus for information processing at a network device, the apparatus comprising a memory for storing computer program instructions and a processor for executing the program instructions, wherein the computer program instructions, when executed by the processor, trigger the apparatus to perform the method of any of the preceding claims.
Details of each device embodiment of the present invention may be specifically referred to corresponding portions of each method embodiment, and will not be described herein.
It will be apparent to those skilled in the art that various modifications and variations can be made to the present application without departing from the spirit or scope of the application. Thus, it is intended that the present application also include such modifications and alterations insofar as they come within the scope of the appended claims or the equivalents thereof.
It should be noted that the present invention may be implemented in software and/or a combination of software and hardware, e.g., using Application Specific Integrated Circuits (ASIC), a general purpose computer or any other similar hardware device. In one embodiment, the software program of the present invention may be executed by a processor to perform the steps or functions described above. Likewise, the software programs of the present invention (including associated data structures) may be stored on a computer readable recording medium, such as RAM memory, magnetic or optical drive or diskette and the like. In addition, some steps or functions of the present invention may be implemented in hardware, for example, as circuitry that cooperates with the processor to perform various steps or functions.
Furthermore, portions of the present invention may be implemented as a computer program product, such as computer program instructions, which when executed by a computer, may invoke or provide methods and/or techniques in accordance with the present invention by way of operation of the computer. Program instructions for invoking the inventive methods may be stored in fixed or removable recording media and/or transmitted via a data stream in a broadcast or other signal bearing medium and/or stored within a working memory of a computer device operating according to the program instructions. An embodiment according to the invention comprises an apparatus comprising a memory for storing computer program instructions and a processor for executing the program instructions, wherein the computer program instructions, when executed by the processor, trigger the apparatus to operate a method and/or a solution according to the embodiments of the invention as described above.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned. Furthermore, it is evident that the word "comprising" does not exclude other elements or steps, and that the singular does not exclude a plurality. A plurality of units or means recited in the apparatus claims can also be implemented by means of one unit or means in software or hardware. The terms first, second, etc. are used to denote a name, but not any particular order.
Claims (18)
1. The fish hook test tire lift-off verification method is characterized by comprising the following steps of:
The rolling-preventing support is a long rod longer than the width of the vehicle, and two ends of each long rod extend out of two sides of the head or the tail of the vehicle;
two ends of a long rod at the tail of the vehicle are respectively provided with a moving camera, and the lens of each moving camera is aligned to two wheels at the corresponding side face of the vehicle;
During a fishhook test, video images of wheels on two sides of a vehicle and the ground are collected through the moving camera;
And judging whether the fishhook test is successful or not based on the collected video images of the wheels on the two sides of the vehicle and the ground.
2. The fish hook test tire lift-off verification method of claim 1, wherein capturing video images of wheels and the ground on both sides of a vehicle by the motion camera during a fish hook test comprises:
The vehicle is controlled to turn at 720 DEG/s from 56kph, the vehicle is controlled to turn at 270 DEG suddenly to the left, and then at the same speed, the vehicle is controlled to turn at 540 DEG suddenly to the right until the speed of the vehicle reaches 80kph, and video images of the wheels on both sides of the vehicle and the ground are acquired through the motion camera.
3. The fish hook test tire lift-off verification method of claim 1, wherein capturing video images of wheels and the ground on both sides of a vehicle by the motion camera during a fish hook test comprises:
During a fishhook test, the moving camera collects video images of wheels on two sides of a vehicle and the ground;
the motion camera transmits the video image to a display of the vehicle via bluetooth.
4. The fish hook test tire lift verification method of claim 1, wherein the lens of each motion camera is aligned with two wheels on a corresponding side of the vehicle,
And controlling the vertical distance between the lens of the motion camera and the corresponding side surface of the vehicle to be in the range of 0.6-0.9 times of the width of the vehicle.
5. The fish hook test tire lift-off verification method of claim 1, wherein determining whether the fish hook test was successful based on the captured video images of the wheels and the ground on both sides of the vehicle comprises:
analyzing the collected video images of the wheels on the two sides of the vehicle and the ground, judging whether the wheels on the two sides of the vehicle are separated from the ground,
If the wheel is lifted off the ground in the fishhook experiment process, the fishhook experiment fails;
If the wheels are not lifted off the ground all the time in the fishhook experiment process, the fishhook experiment is successful.
6. The fish hook test tire lift-off verification method of claim 5, wherein analyzing the collected video images of the wheels on both sides of the vehicle and the ground to determine whether the wheels on both sides of the vehicle are lifted off the ground comprises:
Analyzing the collected video images of the wheels on the two sides of the vehicle and the ground, judging whether the wheels on the two sides of the vehicle are more than a preset distance from the ground,
If the wheel is lifted off the ground in the fishhook test process, the fishhook test fails, including:
If the distance between the wheel and the ground exceeds a preset distance in the fishhook experiment process, the fishhook experiment fails;
If the wheel is not lifted off the ground all the time in the fishhook experiment process, the fishhook experiment is successful, and the fishhook experiment comprises the following steps:
If the distance between the wheel and the ground in the fishhook experimental process is not more than the preset distance all the time, the fishhook experiment is successful.
7. The fish hook test tire lift verification method of claim 6, wherein the fish hook test fails if the wheel is lifted above the ground by more than a predetermined distance during the fish hook test, comprising:
If the distance between the wheels and the ground exceeds a preset distance in the fishhook experiment process, acquiring corresponding vehicle speed and steering wheel corner information when the distance between the wheels and the ground exceeds the preset distance, and if the acquired corresponding vehicle speed is within a preset vehicle speed range and the acquired corresponding steering wheel corner information is within a preset steering wheel corner range, failing the fishhook experiment;
If the distance between the wheels and the ground is not over the preset distance, acquiring corresponding speed and steering wheel angle information when the distance between the wheels and the ground is not over the preset distance, and if the acquired corresponding speed is within the preset speed range and the acquired corresponding steering wheel angle information is within the preset steering wheel angle range, the fishhook test is successful.
8. The fish hook test tire lift verification method of claim 6 wherein the predetermined distance is 2 inches.
9. Fish hook test tire lift-off verification apparatus, comprising:
the anti-rolling support is arranged at the head and the tail of the vehicle, the anti-rolling support is a long rod longer than the width of the vehicle, and two ends of each long rod extend out of two sides of the head or the tail;
The moving cameras are respectively arranged at two ends of the long rod of the tail of the vehicle, and the lens of each moving camera is aligned with two wheels on the corresponding side face of the vehicle; the motion camera is used for collecting video images of wheels on two sides of the vehicle and the ground during a fishhook test;
And the analysis module is used for judging whether the fishhook test is successful or not based on the collected video images of the wheels on the two sides of the vehicle and the ground.
10. The fish hook testing tire lift verification apparatus of claim 9, further comprising:
The control module is used for controlling the speed of the vehicle from 56kph to carry out steering at 720 degrees/s, controlling the vehicle to rapidly strike 270 degrees to the left, then controlling the vehicle to rapidly strike 540 degrees to the right at the same speed until the speed of the vehicle reaches 80kph, and controlling the motion camera to acquire video images of wheels and the ground on two sides of the vehicle.
11. The fish hook test tire lift verification device of claim 9, wherein the motion camera is configured to transmit the video image to a display of the vehicle via bluetooth.
12. The fish hook test tire lift-off verification device of claim 9, wherein a vertical distance between a lens of the motion camera and a corresponding side of the vehicle is in a range of 0.6-0.9 times a width of the vehicle.
13. The fish hook test tire ground clearance verification device according to claim 9, wherein the analysis module is configured to analyze the collected video images of the wheels on both sides of the vehicle and the ground, determine whether the wheels on both sides of the vehicle are lifted off the ground, and determine that the fish hook test fails if the wheels are lifted off the ground during the fish hook test; if the wheels are not separated from the ground all the time in the fishhook experiment process, judging that the fishhook experiment is successful.
14. The fish hook test tire lift-off verification device according to claim 13, wherein the analysis module is configured to analyze the collected video images of the wheels on both sides of the vehicle and the ground, determine whether the wheels on both sides of the vehicle are lifted off by more than a preset distance, and determine that the fish hook test fails if the wheels are lifted off by more than the preset distance during the fish hook test; if the distance between the wheel and the ground in the fishhook experiment process is not more than the preset distance all the time, judging that the fishhook experiment is successful.
15. The fish hook test tire lift-off verification device according to claim 14, wherein the analysis module is configured to obtain a corresponding vehicle speed and steering wheel angle information when the wheel is above a preset distance from the ground in a fish hook test process, and fail the fish hook test if the obtained corresponding vehicle speed is within a preset vehicle speed range and the obtained corresponding steering wheel angle information is within a preset steering wheel angle range; if the distance between the wheels and the ground is not over the preset distance, acquiring corresponding speed and steering wheel angle information when the distance between the wheels and the ground is not over the preset distance, and if the acquired corresponding speed is within the preset speed range and the acquired corresponding steering wheel angle information is within the preset steering wheel angle range, judging that the fishhook test is successful.
16. The fish hook testing tire lift verification apparatus of claim 14 wherein the predetermined distance is 2 inches.
17. A computer readable medium having stored thereon computer readable instructions executable by a processor to implement the method of any one of claims 1 to 8.
18. An apparatus for information processing at a network device, the apparatus comprising a memory for storing computer program instructions and a processor for executing the program instructions, wherein the computer program instructions, when executed by the processor, trigger the apparatus to perform the method of any one of claims 1 to 8.
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