CN107389355B - Testing device and method for automobile lane change early warning function - Google Patents
Testing device and method for automobile lane change early warning function Download PDFInfo
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Abstract
The invention relates to a testing device and a testing method for an automobile lane change early warning function, which are characterized by comprising at least two cameras and an external camera mounting bracket, wherein one camera is positioned in a vehicle and used for shooting and capturing the starting and shielding information of a lane change early warning system, and the other cameras are arranged on the external camera mounting bracket and used for shooting and capturing the change of the relative position of the vehicle and a lane line. And synchronously acquiring information by using the cameras inside and outside the vehicle, and comparing and analyzing the information acquired by the cameras inside and outside the vehicle, thereby evaluating the quality of the lane change early warning function. The invention has simple structure and low cost, is suitable for the early stage of the development of the lane departure early warning function of various vehicle types, and can reduce the huge test expense caused by continuous and repeated tests.
Description
Technical Field
The invention belongs to the technical field of automobile performance tests, and particularly relates to a testing device and method for an automobile lane change early warning function.
Background
With the development of automobile safety technology, the field of automobile safety has covered passive safety and active safety. The lane change early warning function belongs to the field of active safety, and has the main function of reminding or correcting the phenomenon that a driver unconsciously deviates from an original driving lane, avoiding traffic accidents and protecting passengers and driving safety.
In the aspect of test of lane change early warning function, the method which is universal at home and abroad is as follows: a high-precision GPS and a gyroscope are mounted on a test vehicle, a base station is arranged in a test site, the function is evaluated by recording the relative position of the track of the vehicle deviating from a lane and a lane line, the dynamic parameters of the whole vehicle, the opening/shielding of the lane change early warning function and other information, and the position precision can reach 20 mm. However, the set of test equipment is expensive, and the cost is high when the set of test equipment is purchased or used by a third party for testing the vehicle. Especially, for problem point search in early calibration development and pre-evaluation stages of the lane change early warning function, multiple times of tests are required, and the development cost is undoubtedly greatly increased.
Disclosure of Invention
In order to solve the technical problems, the invention designs the testing device and the method for the lane change early warning function of the automobile, which are applicable to the early stage of the development of the lane departure early warning function and can reduce the huge testing cost caused by continuous repeated testing.
In order to solve the technical problems, the invention adopts the following scheme:
the utility model provides a testing arrangement of car lane change early warning function which characterized in that, includes two at least cameras and outside camera installing support, and one of them camera is located the vehicle inside for start and shielding information of shooting and catching lane change early warning system, and the change of the relative position of the vehicle and lane line is caught in the shooting of other cameras on outside camera installing support.
Further, outside camera installing support includes the horizontal pole, sets up montant and camera installation pole at the horizontal pole both ends, the lower extreme of montant is provided with the connecting rod in order to be connected with car front wheel cover position, camera installation pole is located the outside of montant.
Furthermore, the cross rod is of a symmetrical structure, and a plurality of mounting holes which are equally spaced are respectively processed at two ends of the cross rod so as to adjust the mounting positions of the vertical rod and the camera mounting rod according to the change of the width of the vehicle body.
Furthermore, a cushion block is arranged between the cross rod and the surface of the front hatch cover of the vehicle to adjust an included angle between the surface of the cross rod and the horizontal plane, and the cushion block is a wedge-shaped block with an included angle formed by the upper surface and the lower surface which are opposite to each other in an inclined mode.
Furthermore, a plurality of mounting and adjusting holes which are equidistant are respectively processed at the two ends of the vertical rod, the mounting and adjusting holes at the upper part of the vertical rod are matched with the mounting holes on the cross rod, so that the mounting position of the vertical rod relative to the cross rod in the vertical direction can be adjusted according to the distance between the front cabin cover and the wheel cover of the vehicle.
Further, the installation angle of the vertical rods and the cross rods is 90 degrees.
Furthermore, an adjusting device is arranged between the vertical rod and the corresponding connecting rod so as to finely adjust the height of the mounting bracket in the vertical direction.
Further, adjusting device is including adjusting pole I and adjusting pole II, adjust I upper portion of pole with the montant passes through the pin junction, adjust I lower part of pole with II upper portion spiro union of regulation pole, adjust II lower parts of pole with the connecting rod spiro union, the screw thread opposite direction who adjusts pole I and connecting rod.
Furthermore, the adjusting rod I is of a step rod structure, a pin hole is machined in one end of the adjusting rod I, and an external thread structure is machined in the other end of the adjusting rod I.
Furthermore, the adjusting rod II is of a hollow quadrangular prism structure, and internal thread structures are respectively processed at two ends of the adjusting rod II.
Further, the connecting rod is of a stepped rod structure with an upper circle and a lower circle, an external thread structure is processed on the upper cylindrical part of the connecting rod, two vertically arranged mounting threaded holes are processed on the lower quadrangular part of the connecting rod, the upper mounting threaded hole is connected with the outer side of the wheel cover part of the vehicle through a bolt, and the lower mounting threaded hole is connected with the lower side of the wheel cover part of the vehicle through a bolt.
Furthermore, a plurality of mounting and adjusting holes with equal intervals are processed on the camera mounting rod; and the mounting adjusting holes on the upper part of the camera mounting rod are matched with the mounting holes on the cross rod so as to adjust the height distance between the camera and the ground.
Furthermore, the lower part of the camera mounting rod is also provided with a graduated scale mounting rod to assist in mounting the graduated scale.
Further, the camera is a high-speed camera.
A test method for an automobile lane change early warning function is characterized in that,
firstly, manufacturing and assembling an external high-speed camera mounting bracket, wherein the mounting bracket is positioned at the front part of a vehicle head and above the surface of a front hatch cover;
secondly, an external camera is arranged on the mounting bracket and used for shooting and capturing the change of the relative position of the vehicle and the lane line;
then, an internal camera is installed in the vehicle and used for shooting and capturing the starting and shielding information of the lane change early warning system;
and finally, synchronously acquiring information by using cameras inside and outside the vehicle, namely comparing, analyzing and processing the information acquired by the cameras inside and outside when the lane change early warning function is started/shielded, and judging the quality of the lane change early warning function according to the comparison processing result and the development requirement.
Furthermore, a cross rod of the mounting bracket is parallel to the transverse vertical plane of the vehicle, and a cushion block with a certain angle is fixedly mounted between the cross rod and the surface of the front hatch cover so as to ensure the levelness of the mounting bracket; the relative positions of the vertical rods and the transverse rods of the mounting support are adjusted to guarantee the limiting of the mounting support and the vehicle in the left-right direction and the up-down direction, and the mounting support is finely adjusted in the up-down direction, namely the height direction, through the adjusting rod I and the adjusting rod II.
Further, the external cameras are mounted above the sides of the tested vehicle wheels, the vehicle external cameras are mounted in the positions: the horizontal direction is positioned at the outer side of the vehicle and has a certain distance, and the distance is adjusted through the relative position of a camera mounting rod of the mounting bracket and the cross rod; a certain distance is reserved between the vertical direction and the ground, and the distance is adjusted through the relative position of the camera mounting rod and the cross rod and through selecting different mounting holes of the camera on the camera mounting rod; in the shooting range of the camera, the scale installed on the scale installation rod assists in determining the relative position of the vehicle and objects such as ground lane lines.
Further, an internal camera acquires the speed of the test vehicle and the marks of the start and the end of the alarm system; an external camera collects the distance between the wheels and the lane line; the time axes of the videos collected by the inner camera and the outer camera are synchronous, so that the positions of the wheels which are far away from the lane line at the moment when the starting/ending marks of the alarm system appear are analyzed according to the information, and the offset speed at the moment is calculated; and analyzing and calculating results, and comparing development requirements to judge the quality of the lane change early warning function.
The testing device and the method for the lane change early warning function of the automobile have the following beneficial effects:
(1) the invention synchronously captures the relative position information of the vehicle and the lane line and the working information of the lane departure early warning system by installing high-speed cameras in and out of the vehicle. The method realizes the test of the lane departure early warning function, and has the advantages of simple method, simple operation and low cost.
(2) The mounting bracket can realize the adjustment of the relative position of the mounting bracket and the vehicle in the transverse direction and the adjustment in the vertical direction, is convenient to use and adjust, has good universality, and can be suitable for various different vehicle types; the displacement and the rotational freedom of the bracket can be controlled by mounting and fixing the bracket on a vehicle; the mounting bracket can be symmetrically adjusted, the structure is simple, the manufacturing and processing are simple and convenient, the manufacturing cost is low, the mounting operation process is simple, and the structure of the vehicle body is not damaged.
(3) The method is suitable for the early stage of the development of the lane departure early warning function, and can reduce the huge testing cost caused by continuous repeated testing.
Drawings
FIG. 1: the structure schematic diagram of the embodiment of the camera mounting bracket in the testing device with the automobile lane change early warning function is disclosed;
FIG. 2: the structure of the cross bar in the embodiment of the invention is schematic;
FIG. 3: the structure schematic diagram of the cushion block in the embodiment of the invention;
FIG. 4: the structure of the vertical rod in the embodiment of the invention is schematically shown;
FIG. 5: the structure of the adjusting rod I in the embodiment of the invention is schematically shown;
FIG. 6: the structure of an adjusting rod II in the embodiment of the invention is schematically shown;
FIG. 7: the structure of the connecting rod in the embodiment of the invention is schematic;
FIG. 8: the structure schematic diagram of the camera mounting rod in the embodiment of the invention;
FIG. 9: the scale mounting rod in the embodiment of the invention is in a schematic structural view.
Description of reference numerals:
1-a cross bar; 11-cushion block mounting holes; 12-mounting holes; 2, cushion blocks; 3, vertical rods; 31-installing an adjusting hole; 4, adjusting a rod I; 5-adjusting the rod II; 6-connecting rod; 7-camera mounting pole; 8-graduated scale installation pole.
Detailed Description
The invention will be further explained with reference to the accompanying drawings:
a testing device with an automobile lane change early warning function comprises at least two cameras and an external camera mounting bracket. One camera is located inside the vehicle and used for shooting and capturing the opening and shielding information of the lane change early warning system, and the other cameras are installed on an external camera installation support and used for shooting and capturing the change of the relative position of the vehicle and the lane line. The cameras inside and outside the vehicle are synchronously collected, the number of the shooting frames is at least larger than 125fps, and the deviation speed and the position information of the vehicle can be obtained when the lane change early warning function is started/shielded through the comparative analysis of the collected information of the inner camera and the outer camera, so that the quality of the lane change early warning function is evaluated; the test accuracy of the method is higher than that of the camera-dependent pixels, and the camera with higher pixels can enable the position accuracy of the test method to be higher than 20 mm. In this embodiment, two high-speed cameras are used, one inside and one outside.
As shown in fig. 1, the external camera mounting bracket includes a cross bar 1, a vertical bar 3, an adjusting bar i 4, an adjusting bar ii 5, a connecting bar 6, a camera mounting bar 7 and a scale mounting bar 8. The number of the vertical rods 3 is two, and the two vertical rods are symmetrically arranged at the left end and the right end of the cross rod 1. The lower end of the vertical rod 3 is provided with a connecting rod 6 to be connected with the outer side of the automobile wheel cover part, and an adjusting rod I4 and an adjusting rod II 5 are arranged between the vertical rod 3 and the corresponding connecting rod 6 to finely adjust the height of the mounting bracket in the vertical direction. The camera mounting rod 7 is arranged at one end of the cross rod 1 and is positioned on the outer side of the corresponding vertical rod 3. The scale mounting rod 8 is provided at the lower end of the camera mounting rod 7.
The crossbar 1 is located on the front deck lid surface of the front part of the vehicle and is parallel to the transverse plane of the vehicle. The cross bar 1 is of a symmetrical structure, as shown in fig. 2, a plurality of mounting holes 12 are respectively formed at two ends of the cross bar, and different mounting holes can be used for mounting the vertical bar 3 and the camera mounting bar 7 according to the change of the width of the vehicle body. A cushion block 2 is also arranged between the cross bar 1 and the surface of the front hatch cover of the vehicle. The cushion block 2 is a wedge-shaped block with upper and lower opposite surfaces inclined at an included angle, as shown in fig. 3. The cushion block 2 is arranged on the cross rod 1, and the included angle between the surface of the cross rod 1 and the horizontal plane can be adjusted. In this embodiment, the cross bar 1 is provided with a pad mounting hole 11, and the pad 2 is also provided with a corresponding mounting hole for fitting. In the embodiment, the cross bar 1 is formed by processing a square tube.
The mounting angle of the vertical rod 3 and the cross rod 1 is 90 degrees. The vertical rod 3 has a plurality of mounting holes 31 at equal intervals at both ends, and as shown in fig. 4, the mounting holes 31 are properly mounted and fixed with the cross rod 1 according to the distance between the front hatch and the wheel cover of the vehicle. The vertical rod 3 can penetrate through the mounting hole 11 of the cross rod 1, so that the vertical rod 3 can be mounted for axial height adjustment. In this embodiment, the vertical rod 3 is formed by machining a circular tube.
The structure of the adjustment lever i 4 is a step lever structure as shown in fig. 5. One end of the adjusting rod is provided with a pin hole to be connected with the corresponding mounting adjusting hole 31 at the lower end of the vertical rod 3 through a pin, and the other end of the adjusting rod is provided with a thread structure to be in threaded connection with the adjusting rod II 5. The structure of the adjusting rod II 5 is a hollow quadrangular prism structure as shown in FIG. 6. The two ends of the adjusting rod are respectively provided with an internal thread structure to be respectively screwed with the adjusting rod I4 and the connecting rod 6. The structure of the connecting rod 6 is shown in fig. 7, and is a stepped rod structure with an upper circle and a lower circle, an external thread structure is processed on the upper cylindrical part of the connecting rod to be in threaded connection with the adjusting rod II 5, and two mounting threaded holes which are vertically arranged are processed on the lower quadrangular part of the connecting rod. The upper mounting threaded hole is connected with the outer side of the wheel cover part of the vehicle by using a bolt to limit the displacement motion of the mounting bracket in the transverse direction of the vehicle; the lower mounting threaded hole is connected with the lower side of the wheel cover of the vehicle by using a bolt, and the displacement motion of the mounting bracket in the vertical direction is limited. The adjusting rod II 5 is respectively in threaded connection with the adjusting rod I4 and the connecting rod 6 and can only move axially, namely, vertically; because the screw thread direction of adjusting pole I4 and connecting rod 6 is opposite, through rotatory regulation pole II 5, can realize the fine setting of installing support in upper and lower direction, direction of height promptly. The adjusting rod I4 can further be used for fine adjustment of the mounting bracket in the up-down direction, namely the height direction, through matching with different mounting adjusting holes 31 at the lower end of the vertical rod 3.
As shown in fig. 8, the camera mounting rod 7 is formed with a plurality of mounting adjustment holes at equal intervals. The installation adjusting hole at the upper part of the camera installation rod 7 is matched with the installation hole 12 on the cross rod 1, and the height distance between the camera and the ground can be adjusted. The lower part of the camera mounting rod 7 is provided with a graduated scale mounting rod 8 to assist in mounting the graduated scale. The graduated scale is used for judging the relative position of the wheel and the ground object. As shown in fig. 9, the scale mounting rod 8 is made of a square pipe, and a mounting hole is formed in the middle thereof to be connected to the lower portion of the camera mounting rod 7. The camera mounting lever 7 in this embodiment is made of a circular tube.
During testing, the mounting bracket is manufactured and assembled, the mounting bracket is positioned at the front part of a vehicle head and above the surface of a front hatch cover, the cross rod 1 is parallel to the transverse vertical plane of a vehicle, and the levelness of the mounting bracket is ensured by fixedly mounting the cushion block 2 with a certain angle. Through adjusting the relative position on montant 3 and the horizontal pole 1 with the restriction of assurance support and vehicle left and right direction and upper and lower direction, realize the fine setting of installing support in upper and lower direction, the direction of height promptly through adjusting pole I4 and adjusting pole II 5. Secondly, an external camera is arranged on the mounting bracket and used for shooting and capturing the change of the relative position of the vehicle and the lane line; the camera is arranged above the side of the tested vehicle wheel, and the normal steering operation of the vehicle is not influenced while the running track of the wheel is recorded. Position of vehicle exterior camera mounting: the horizontal direction is positioned at the outer side of the vehicle and has a certain distance which can be adjusted by the relative position of the camera mounting rod 7 and the cross rod 1; the vertical direction is at a distance from the ground which can be adjusted by the relative position of the camera mounting bar 7 and the crossbar 1 and by selecting different mounting holes for the cameras on the camera mounting bar 7. In the shooting range of the camera, the relative position of the vehicle and objects such as ground lane lines and the like can be determined by the graduated scale arranged on the graduated scale mounting rod 8. Then, an interior camera is installed in the vehicle for shooting and capturing the start and shield information of the lane change warning system. And finally, synchronously acquiring related information by using cameras inside and outside the vehicle, namely acquiring the deviation speed and position information of the vehicle when the lane change early warning function is started/shielded, and carrying out comparative analysis on the information acquired by the cameras inside and outside the vehicle, thereby evaluating the quality of the lane change early warning function.
Specifically, an internal camera acquires the speed of a test vehicle and the marks of the starting and ending of an alarm system; the external camera collects the distance between the wheel and the lane line, and the speed of the wheel offset to the lane line can be calculated due to the fact that the time axis exists inside the shot video. The time axes of the videos collected by the inner camera and the outer camera are synchronous, so that the positions of the wheels, which are far away from the lane line at the moment, can be analyzed when the starting/ending marks of the alarm system appear, and the offset speed at the moment can be calculated. Based on the comparison result, the system performance is judged to be excellent according to the development requirement.
The invention provides a simple mounting bracket outside a vehicle, which is used for fixedly mounting a camera head outside the vehicle. The bracket is positioned at the front part of the vehicle head and above the surface of the front hatch cover and is parallel to the transverse vertical plane of the vehicle, and the camera is arranged above the side of the wheel of the tested vehicle, so that the normal steering operation of the vehicle is not influenced while the running track of the wheel is recorded. The support part positioned on the surface of the front cabin of the locomotive ensures the levelness of the support part by fixedly mounting a cushion block with a certain angle. The limit of the displacement of the bracket relative to the vehicle in the front-back direction, the left-right direction and the up-down direction is realized by the relative fixed installation of the bracket and the vehicle body part above the wheels. Position of vehicle exterior camera mounting: the horizontal direction is positioned at the outer side of the vehicle and has a certain distance, and the distance can be adjusted; the vertical direction has certain interval with ground, and this interval can be adjusted. Within the range of the camera, a graduated scale can be installed to assist the relative position of the vehicle and objects such as ground lane lines. Simple structure, convenient use and adjustment, good universality and capability of being used for various vehicle types.
The invention synchronously captures the relative position information of the vehicle and the lane line and the working information of the lane departure early warning system by installing high-speed cameras in and out of the vehicle. The method realizes the test of the lane departure early warning function, and has the advantages of simple method, simple operation and low cost.
The mounting bracket can realize the adjustment of the relative position with the transverse position of the vehicle and the adjustment of the vertical direction; through the installation and fixation with the vehicle, the displacement and the rotational degree of freedom of the bracket can be controlled. The support can be symmetrically adjusted. The invention has the advantages of simple and convenient manufacture and processing, low manufacture cost, simple installation and operation process and no damage to the structure of the vehicle body.
The invention is described above with reference to the accompanying drawings, it is obvious that the implementation of the invention is not limited in the above manner, and it is within the scope of the invention to adopt various modifications of the inventive method concept and solution, or to apply the inventive concept and solution directly to other applications without modification.
Claims (6)
1. A testing device for an automobile lane change early warning function is characterized by comprising at least two cameras and an external camera mounting bracket, wherein one camera is positioned in a vehicle and used for shooting and capturing the starting and shielding information of a lane change early warning system, and the other cameras are mounted on the external camera mounting bracket and used for shooting and capturing the change of the relative position of the vehicle and a lane line;
the external camera mounting support comprises a cross rod, vertical rods arranged at two ends of the cross rod and a camera mounting rod, the lower end of each vertical rod is provided with a connecting rod to be connected with the front wheel cover of the automobile, and the camera mounting rod is positioned on the outer side of the vertical rod; the lower part of the camera mounting rod is also provided with a graduated scale mounting rod to assist in mounting the graduated scale; the cross rod is of a symmetrical structure, and a plurality of mounting holes with equal intervals are respectively processed at the two ends of the cross rod so as to adjust the mounting positions of the vertical rod and the camera mounting rod according to the change of the width of the vehicle body; a plurality of mounting and adjusting holes with equal intervals are respectively processed at the two ends of the vertical rod, and the mounting and adjusting holes at the upper part of the vertical rod are matched with the mounting holes on the cross rod; an adjusting device is arranged between the vertical rod and the corresponding connecting rod so as to finely adjust the height of the mounting bracket in the vertical direction; adjusting device is including adjusting pole I and adjusting pole II, adjust I upper portion of pole with the montant passes through the pin junction, adjust I lower part of pole with II upper portion spiro union of regulation pole, adjust II lower parts of pole with the connecting rod spiro union, the screw thread opposite direction who adjusts pole I and connecting rod.
2. The testing device for the automobile lane change early warning function according to claim 1, wherein a cushion block is arranged between the cross rod and the surface of the front hatch cover of the automobile to adjust an included angle between the surface of the cross rod and a horizontal plane, and the cushion block is a wedge-shaped block with an upper surface and a lower surface inclined to form an included angle.
3. The testing device for the automobile lane change warning function according to claim 1 or 2, wherein a plurality of mounting and adjusting holes with equal intervals are processed on the camera mounting rod; and the mounting adjusting holes on the upper part of the camera mounting rod are matched with the mounting holes on the cross rod so as to adjust the height distance between the camera and the ground.
4. A test method for an automobile lane change early warning function is characterized in that,
firstly, manufacturing and assembling an external high-speed camera mounting bracket, wherein the mounting bracket is positioned at the front part of a vehicle head and above the surface of a front hatch cover;
secondly, an external camera is arranged on the mounting bracket and used for shooting and capturing the change of the relative position of the vehicle and the lane line; external cameras are mounted above the sides of the vehicle wheel under test, the position at which the vehicle external cameras are mounted: the horizontal direction is positioned at the outer side of the vehicle and has a certain distance, and the distance is adjusted through the relative position of a camera mounting rod of the mounting bracket and the cross rod; a certain distance is reserved between the vertical direction and the ground, and the distance is adjusted through the relative position of the camera mounting rod and the cross rod and through selecting different mounting holes of the camera on the camera mounting rod; in the shooting range of the camera, the relative positions of the vehicle and objects such as ground lane lines and the like are determined in an auxiliary manner through the graduated scale arranged on the graduated scale mounting rod;
then, an internal camera is installed in the vehicle and used for shooting and capturing the starting and shielding information of the lane change early warning system;
and finally, synchronously acquiring information by using cameras inside and outside the vehicle, namely comparing, analyzing and processing the information acquired by the cameras inside and outside when the lane change early warning function is started/shielded, and judging the quality of the lane change early warning function according to the comparison processing result and the development requirement.
5. The method for testing the lane change warning function of an automobile according to claim 4, wherein a cross bar of the mounting bracket is parallel to a transverse vertical plane of the automobile, and a cushion block with a certain angle is fixedly mounted between the cross bar and the surface of the front hatch cover to ensure the levelness of the mounting bracket; the relative positions of the vertical rods and the transverse rods of the mounting support are adjusted to guarantee the limiting of the mounting support and the vehicle in the left-right direction and the up-down direction, and the mounting support is finely adjusted in the up-down direction, namely the height direction, through the adjusting rod I and the adjusting rod II.
6. The method for testing the lane change warning function of an automobile according to claim 4, wherein the interior camera collects the speed of the test vehicle and the signs at the beginning and end of the warning system; an external camera collects the distance between the wheels and the lane line; the time axes of the videos collected by the inner camera and the outer camera are synchronous, so that the positions of the wheels which are far away from the lane line at the moment when the starting/ending marks of the alarm system appear are analyzed according to the information, and the offset speed at the moment is calculated; and analyzing and calculating results, and comparing development requirements to judge the quality of the lane change early warning function.
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2004104968A1 (en) * | 2003-05-15 | 2004-12-02 | Landsonar, Inc. | System and method for evaluating vehicle and operator performance |
| DE102008039400A1 (en) * | 2008-08-22 | 2010-02-25 | Iav Gmbh Ingenieurgesellschaft Auto Und Verkehr | Environment sensor e.g. optical sensor, reproducible testing device for vehicle assistance system, has control and/or regulating unit for independently controlling and/or regulating vehicle and obstacle |
| CN101915672A (en) * | 2010-08-24 | 2010-12-15 | 清华大学 | Testing device and testing method of lane departure warning system |
| CN102288121A (en) * | 2011-05-12 | 2011-12-21 | 电子科技大学 | Method for measuring and pre-warning lane departure distance based on monocular vision |
| CN202791237U (en) * | 2012-08-30 | 2013-03-13 | 浙江吉利汽车研究院有限公司杭州分公司 | Camera mounting support used for testing automotive sliding table test |
| CN103335853A (en) * | 2013-07-18 | 2013-10-02 | 中国科学院自动化研究所 | Unmanned driving vehicle cognitive competence testing system and method |
-
2017
- 2017-06-30 CN CN201710522886.XA patent/CN107389355B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2004104968A1 (en) * | 2003-05-15 | 2004-12-02 | Landsonar, Inc. | System and method for evaluating vehicle and operator performance |
| DE102008039400A1 (en) * | 2008-08-22 | 2010-02-25 | Iav Gmbh Ingenieurgesellschaft Auto Und Verkehr | Environment sensor e.g. optical sensor, reproducible testing device for vehicle assistance system, has control and/or regulating unit for independently controlling and/or regulating vehicle and obstacle |
| CN101915672A (en) * | 2010-08-24 | 2010-12-15 | 清华大学 | Testing device and testing method of lane departure warning system |
| CN102288121A (en) * | 2011-05-12 | 2011-12-21 | 电子科技大学 | Method for measuring and pre-warning lane departure distance based on monocular vision |
| CN202791237U (en) * | 2012-08-30 | 2013-03-13 | 浙江吉利汽车研究院有限公司杭州分公司 | Camera mounting support used for testing automotive sliding table test |
| CN103335853A (en) * | 2013-07-18 | 2013-10-02 | 中国科学院自动化研究所 | Unmanned driving vehicle cognitive competence testing system and method |
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