CN115266123A - Vehicle testing method of lane keeping auxiliary system - Google Patents
Vehicle testing method of lane keeping auxiliary system Download PDFInfo
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- CN115266123A CN115266123A CN202210411702.3A CN202210411702A CN115266123A CN 115266123 A CN115266123 A CN 115266123A CN 202210411702 A CN202210411702 A CN 202210411702A CN 115266123 A CN115266123 A CN 115266123A
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- 238000012360 testing method Methods 0.000 title claims abstract description 97
- 238000010998 test method Methods 0.000 claims abstract description 5
- 230000007547 defect Effects 0.000 abstract description 9
- 230000005856 abnormality Effects 0.000 abstract description 3
- 238000013461 design Methods 0.000 abstract description 3
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M17/00—Testing of vehicles
- G01M17/007—Wheeled or endless-tracked vehicles
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B23/00—Testing or monitoring of control systems or parts thereof
- G05B23/02—Electric testing or monitoring
- G05B23/0205—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults
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Abstract
The invention discloses a whole vehicle testing method of a lane keeping auxiliary system, belonging to the technical field of vehicle intelligent system testing, and comprising the following steps of S1: testing the deviation control of the vehicle on the straight lane and acquiring the deviation control test result of the straight lane; step S2: testing the deviation control of the vehicle under the lane centering working condition and acquiring a lane centering control test result; the test method can effectively simulate the situation of a user in actual use by testing the sample vehicle, detect the functional failure caused by the abnormality after use under different working conditions, and find the internal defects, production defects or design defects of the lane keeping auxiliary system. Therefore, a basis is provided for developing a product to provide a high-quality sample, the product can still have a high quality level after being used for a long time, the requirement of a client for long-term use is met, meanwhile, the reliability of the product is improved, and the product has market competitiveness.
Description
Technical Field
The invention belongs to the technical field of vehicle intelligent system testing, and particularly relates to a whole vehicle testing method of a lane keeping auxiliary system.
Background
The lane keeping auxiliary system belongs to one of intelligent driving auxiliary systems, and can control a steering system on the basis of a lane departure early warning system (LDWS) to assist a vehicle to keep running in a main lane. The lane keeping device provides support for keeping the vehicle on the lane by means of a camera to recognize the marking line of the driving lane when the vehicle drives. If the vehicle approaches the identified marking line and possibly departs from the driving lane, the driver is prompted to pay attention through the vibration of the steering wheel or the sound, the driving direction is corrected by slightly rotating the steering wheel, the vehicle is positioned on the correct lane, and if the steering wheel detects that no active intervention is performed for a long time, an alarm is given out to remind the driver.
Whether the lane keeping auxiliary system can normally play a role or not has practical significance for guaranteeing the driving safety of the automobile and improving the driving experience, so that the detection of whether the lane keeping auxiliary system can normally play a role or not has certain engineering application value. However, at present, no complete detection method for the lane keeping auxiliary system exists in China, so that the test and detection work of the lane keeping auxiliary system of the automobile cannot be effectively completed, and improvement is urgently needed.
Therefore, an effective test method for the lane keeping auxiliary system is particularly important, so that the reliability of the lane keeping auxiliary system can be detected before a new vehicle model is put into production, and safe and comfortable driving experience is provided for a user.
Disclosure of Invention
In order to solve the problems that the test and the detection work of the lane keeping auxiliary system of the automobile cannot be effectively finished due to the fact that no complete detection method of the lane keeping auxiliary system exists in China at present, the invention provides a whole automobile test method of the lane keeping auxiliary system, and the reliability of the lane keeping auxiliary system can be effectively detected.
The invention is realized by the following technical scheme:
a whole vehicle testing method of a lane keeping auxiliary system specifically comprises the following steps:
step S1: testing the deviation control of the vehicle on the straight lane and obtaining the deviation control test result of the straight lane;
step S2: and testing the deviation control of the vehicle under the lane centering working condition and acquiring a lane centering control test result.
Further, the step S1 includes:
step S11: selecting a section of straight line section for the test road;
wherein, the road surface marking line of straight line section includes following marking line: the lane comprises a single solid line lane and a single dotted line lane, a double solid line lane, a virtual solid line lane and a single dotted line lane, a double dotted line lane and a single solid line lane on one side.
Step S12: and after the vehicle stably runs along the test road at a specified speed and reaches a stable state, the vehicle deviates to the left side or the right side of the lane at a certain deviation speed, and multiple deviation tests are carried out and a straight lane deviation control test result is obtained.
Further, the designated speed in step S12 includes a speed of 70 + -2 km/h or 100 + -2 km/h in the daytime and a speed of 70 + -2 km/h in the nighttime; the deviation speeds are 0.1-0.5 m/s and 0.5-1 m/s.
Further, the outer edge of the front wheel of the vehicle during the deviation test described in step S12 must not exceed 0.4m outside the lane boundary.
Further, the step S2 includes:
step S21: selecting a straight line section and a curve section from the test road, wherein the length of the curve is ensured to enable the vehicle to run for more than 5 s;
step S22: and after the vehicle stably runs along the straight road section of the test road at the specified speed and reaches a stable state, the driver does not intervene in the steering of the vehicle, and the vehicle enters the curve road section from the straight road section and runs in the curve for at least 5s for testing and obtaining a lane centering control test result.
Further, the specified speeds described in step S22 include speeds of 70 + -2 km/h or 100 + -2 km/h in the daytime and speeds of 70 + -2 km/h in the nighttime.
Further, the curve radius of the curve section in step S22 is equal to or larger than 250m or equal to or larger than 500m.
Further, the test in step S22 includes a left-turn test and a right-turn test, and the outer edge of the front wheel of the vehicle must not exceed the outer side of the side line of the lane during the test.
Compared with the prior art, the invention has the following advantages:
according to the lane keeping auxiliary system testing method provided by the invention, through testing the sample vehicle, the condition of a user in actual use can be effectively simulated, the functional failure caused by the abnormality after the sample vehicle is used under different working conditions can be detected, and the internal defect, the production defect or the design defect of the lane keeping auxiliary system can be found. Therefore, a basis is provided for developing a product to provide a high-quality sample, the product can still have a high quality level after being used for a long time, the requirement of a client for long-term use is met, meanwhile, the reliability of the product is improved, and the product has market competitiveness.
Drawings
In order to more clearly illustrate the detailed description of the invention or the technical solutions in the prior art, the drawings that are needed in the detailed description of the invention or the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.
FIG. 1 is a schematic flow chart of a vehicle testing method of a lane keeping assist system according to the present invention;
FIG. 2 is a schematic flow chart of step S1 of the vehicle testing method of the lane keeping assist system according to the present invention;
FIG. 3 is a schematic view of a vehicle in step S1 of a vehicle testing method of the lane keeping assist system of the present invention;
wherein a is a left deviation and b is a right deviation;
FIG. 4 is a flowchart illustrating a step S2 of a vehicle testing method of the lane keeping assist system according to the present invention;
FIG. 5 is a schematic diagram of the vehicle of step S2 of the overall vehicle testing method of the lane keeping aid system according to the present invention;
wherein, a is a left-turn curve and b is a right-turn curve.
Detailed Description
For clearly and completely describing the technical scheme and the specific working process thereof, the specific implementation mode of the invention is as follows by combining the attached drawings of the specification:
in the description of the specification, reference to the description of "one embodiment," "some embodiments," "an example," "a specific example," or "some examples" or the like means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
A whole vehicle testing method of a lane keeping auxiliary system specifically comprises the following steps:
step S1: testing the deviation control of the vehicle on the straight lane and acquiring the deviation control test result of the straight lane;
step S2: testing the deviation control of the vehicle under the lane centering working condition and acquiring a lane centering control test result;
the step S1 includes:
step S11: selecting a section of straight line section for the test road;
step S12: and after the vehicle runs stably along the test road at the specified speed and reaches a stable state, the vehicle deviates to the left side or the right side of the lane at a certain deviation speed, and multiple deviation tests are carried out and a straight lane deviation control test result is obtained.
The step S2 includes:
step S21: selecting a straight line section and a curve section from the test road, wherein the length of the curve is ensured to enable the vehicle to run for more than 5 s;
step S22: and after the vehicle stably runs along the straight road section of the test road at the specified speed and reaches a stable state, the driver does not interfere the steering of the vehicle, and the vehicle enters the curve road section from the straight road section and runs in the curve for at least 5s for testing and obtaining a lane centering control test result.
Example 1
As shown in fig. 1, a first embodiment of the present invention provides a method for testing a vehicle by using a lane keeping assist system based on the prior art, which specifically includes the following steps:
step S1: testing the deviation control of the vehicle on the straight lane and obtaining the deviation control test result of the straight lane;
as shown in fig. 2, step S1 of this embodiment specifically includes the following steps:
step S11: selecting a section of straight line section for the test road;
wherein, the road surface marking line of straight line section includes following marking line: a single solid and single dashed lane, a double solid lane, a virtual solid and single dashed lane, a double dashed lane, a single solid lane on one side.
As shown in fig. 3, step S12: after the vehicle stably runs along the test road at a specified speed and reaches a stable state, the vehicle deviates to the left side or the right side of the lane at a certain deviation speed, as shown in a of the figure 3 and b of the figure 3 respectively, multiple deviation tests are carried out, and a deviation control test result of the straight lane is obtained, wherein the accuracy rate is more than 90%.
Wherein, the designated speed in the embodiment comprises the speed of 70 +/-2 km/h or 100 +/-2 km/h in the daytime and the speed of 70 +/-2 km/h in the nighttime; the deviation speeds are 0.1-0.5 m/s and 0.5-1 m/s, and the specific reference is made to table 1;
table 1 shows the test conditions of the vehicle on the straight lane
In the present embodiment, the outer edge of the front wheel of the vehicle during the deviation test described in step S12 must not exceed 0.4m outside the lane boundary.
As shown in fig. 4, step S1 of this embodiment specifically includes the following steps:
step S2: testing the deviation control of the vehicle under the lane centering working condition and acquiring a lane centering control test result;
step S21: selecting a straight line section and a curve section from the test road, wherein the length of the curve is ensured to enable a vehicle to run for more than 5 s;
step S22: after the vehicle stably runs along the straight road section of the test road at the specified speed and reaches a stable state, the driver does not intervene in the steering of the vehicle, the vehicle enters the curve road section from the straight road section and runs in the curve for at least 5s for testing, and a lane centering control test result is obtained, wherein the accuracy rate is over 90 percent.
In this embodiment, the designated speed in step S22 includes speeds of 70 + -2 km/h or 100 + -2 km/h in the daytime and speeds of 70 + -2 km/h in the nighttime, referring to Table 2 specifically;
table 2 is a table of the test conditions of the vehicle on the straight lane
In the present embodiment, the curve radius of the curve section in step S22 is equal to or greater than 250m or equal to or greater than 500m.
In the present embodiment, the test in step S22 includes a left-turn test and a right-turn test, as shown in fig. 5 a and 5 b, respectively, and the outer edge of the front wheel of the vehicle must not exceed the outer side of the lane line during the test.
The lane keeping auxiliary system testing method provided by the embodiment can effectively simulate the situation of a user in actual use through testing the sample vehicle, detect the functional failure caused by the abnormality after the sample vehicle is used under different working conditions, and find the inherent defects, the production defects or the design defects of the lane keeping auxiliary system. Therefore, a basis is provided for developing a product to provide a high-quality sample, the product can still have a high quality level after being used for a long time, the requirement of a client for long-term use is met, meanwhile, the reliability of the product is improved, and the product has market competitiveness.
The preferred embodiments of the present invention have been described in detail with reference to the accompanying drawings, however, the present invention is not limited to the specific details of the above embodiments, and various simple modifications can be made to the technical solution of the present invention within the technical idea of the present invention, and these simple modifications are within the protective scope of the present invention.
It should be noted that the various technical features described in the above embodiments can be combined in any suitable manner without contradiction, and the invention is not described in any way for the possible combinations in order to avoid unnecessary repetition.
In addition, any combination of the various embodiments of the present invention is also possible, and the same should be considered as the disclosure of the present invention as long as it does not depart from the spirit of the present invention.
Claims (9)
1. A whole vehicle testing method of a lane keeping auxiliary system is characterized by comprising the following steps:
step S1: testing the deviation control of the vehicle on the straight lane and obtaining the deviation control test result of the straight lane;
step S2: and testing the deviation control of the vehicle under the lane centering working condition and acquiring a lane centering control test result.
2. The vehicle test method of the lane keeping aid system according to claim 1, wherein the step S1 comprises:
step S11: selecting a section of straight line section for the test road;
step S12: and after the vehicle runs stably along the test road at the specified speed and reaches a stable state, the vehicle deviates to the left side or the right side of the lane at a certain deviation speed, and multiple deviation tests are carried out and a straight lane deviation control test result is obtained.
3. The vehicle test method of the lane keeping aid system according to claim 2, wherein the road surface identification lines of the straight line section in step S11 include the following identification lines: the lane comprises a single solid line lane and a single dotted line lane, a double solid line lane, a virtual solid line lane and a single dotted line lane, a double dotted line lane and a single solid line lane on one side.
4. The vehicle testing method of a lane keeping aid system according to claim 3, wherein said designated speed in step S12 includes a speed of 70 ± 2km/h or 100 ± 2km/h in the daytime and a speed of 70 ± 2km/h in the nighttime; the deviation speed is 0.1-0.5 m/s and 0.5-1 m/s.
5. The complete vehicle testing method of the lane keeping aid system according to claim 4, wherein the outer edge of the front wheel of the vehicle during the deviation test in step S12 is not more than 0.4m outside the boundary line of the lane.
6. The vehicle testing method of the lane keeping aid system according to claim 5, wherein said step S2 comprises:
step S21: selecting a straight line section and a curve section from the test road, wherein the length of the curve is ensured to enable a vehicle to run for more than 5 s;
step S22: and after the vehicle stably runs along the straight road section of the test road at the specified speed and reaches a stable state, the driver does not interfere the steering of the vehicle, and the vehicle enters the curve road section from the straight road section and runs in the curve for at least 5s for testing and obtaining a lane centering control test result.
7. The vehicle testing method of a lane keeping aid system according to claim 6, wherein said designated speed in step S22 comprises a speed of 70 + 2km/h or 100 + 2km/h in the daytime and a speed of 70 + 2km/h in the nighttime.
8. The vehicle testing method of the lane keeping aid system according to claim 7, wherein the curve radius of the curve section in step S22 is not less than 250m or not less than 500m.
9. The vehicle testing method of claim 8, wherein the test of step S22 comprises a left-turn test and a right-turn test, and the outer edge of the front wheel of the vehicle must not exceed the outer side of the lane boundary during the test.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202210411702.3A CN115266123A (en) | 2022-04-19 | 2022-04-19 | Vehicle testing method of lane keeping auxiliary system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210411702.3A CN115266123A (en) | 2022-04-19 | 2022-04-19 | Vehicle testing method of lane keeping auxiliary system |
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Citations (7)
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| CN109387374A (en) * | 2017-08-08 | 2019-02-26 | 郑州宇通客车股份有限公司 | A kind of lane holding level evaluation method |
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| CN110598517A (en) * | 2019-06-25 | 2019-12-20 | 一汽轿车股份有限公司 | Method for detecting lane departure of curve |
| CN112254984A (en) * | 2020-10-15 | 2021-01-22 | 山东省科学院自动化研究所 | Lane departure simulation system in limited space and alarm test method |
| CN112783142A (en) * | 2021-01-05 | 2021-05-11 | 广州小鹏自动驾驶科技有限公司 | Simulation test system, method, equipment and storage medium for lane centering control |
| CN113741700A (en) * | 2021-09-29 | 2021-12-03 | 奇瑞新能源汽车股份有限公司 | Automatic driving evaluation system and method for vehicle |
| CN114199267A (en) * | 2021-11-25 | 2022-03-18 | 交通运输部公路科学研究所 | Lane departure early warning evaluation method, device and system for vehicle |
-
2022
- 2022-04-19 CN CN202210411702.3A patent/CN115266123A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109387374A (en) * | 2017-08-08 | 2019-02-26 | 郑州宇通客车股份有限公司 | A kind of lane holding level evaluation method |
| CN109389702A (en) * | 2017-08-08 | 2019-02-26 | 郑州宇通客车股份有限公司 | A kind of acquisition method keeping the driving parameters of traveling level for evaluating lane |
| CN110598517A (en) * | 2019-06-25 | 2019-12-20 | 一汽轿车股份有限公司 | Method for detecting lane departure of curve |
| CN112254984A (en) * | 2020-10-15 | 2021-01-22 | 山东省科学院自动化研究所 | Lane departure simulation system in limited space and alarm test method |
| CN112783142A (en) * | 2021-01-05 | 2021-05-11 | 广州小鹏自动驾驶科技有限公司 | Simulation test system, method, equipment and storage medium for lane centering control |
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