CN209085936U - A kind of virtual measurement platform for Lane Departure Warning System - Google Patents
A kind of virtual measurement platform for Lane Departure Warning System Download PDFInfo
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- CN209085936U CN209085936U CN201821821919.7U CN201821821919U CN209085936U CN 209085936 U CN209085936 U CN 209085936U CN 201821821919 U CN201821821919 U CN 201821821919U CN 209085936 U CN209085936 U CN 209085936U
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Abstract
The utility model relates to Automobile Measuring Techniques fields, more particularly to a kind of virtual measurement platform for Lane Departure Warning System, including the drum device for matching the driving status with simulating vehicle on live road surface with tested vehicle, the scene display device of virtual test scene and the computer communicated to connect respectively with drum device and scene display device for rendering, the computer selects corresponding virtual test scene transfer to be presented to scene display device according to the kinetic characteristic of vehicle travel process, it further include the fixation device for preventing tested vehicle from sailing out of drum device, fixed device is connected to the front and back of tested vehicle.The test period of the utility model is short, helps to improve testing efficiency and can provide more measurement conditions, reduce testing cost, improve test accuracy.
Description
Technical field
The utility model relates to Automobile Measuring Techniques fields more particularly to a kind of for the virtual of Lane Departure Warning System
Test platform.
Background technique
There are three types of the modes for carrying out Lane Departure Warning System test at this stage: 1) software is in ring test, the survey of which
The accuracy of test result depends on the accuracy that auto model and sensor model are built；2) hardware-in―the-loop test, which are
Directly against the test that hardware single carries out, other systems part participates in test using analog machine, cannot represent vehicle completely
Virtual condition；3) real vehicle place and road test, the equipment that the program needs profession, installation is time-consuming, and it is suitable to need to find
Place aptitude tests, measurement condition be not comprehensive.
Wherein, place and road test have the problem that 1) installation of field test equipment is time-consuming on the spot, equipment debugging consumption
When, test process is time-consuming, and every trolley is tested be both needed to equipment installation and debugging every time；
2) field test equipment needs dedicated test site to carry out test, and lease space expenses are high, it also occur that vehicle
Freight；
3) field test operating condition is relatively simple, can not cover client's driving cycles used in everyday, and test process vulnerable to
Other vehicle interference on the scene, testing efficiency is relatively low, and test repeatability is poor.
Utility model content
The purpose of the utility model is to provide a kind of test period it is short, help to improve testing efficiency, and can provide more
Measurement condition, the virtual measurement platform for Lane Departure Warning System for reducing testing cost, improving test accuracy.
To achieve the goals above, it is flat to provide a kind of virtual test for Lane Departure Warning System for the utility model
Platform, including for matching the driving status with simulating vehicle on live road surface with tested vehicle drum device, be used for
The calculating that the scene display device of virtual test scene is presented and is communicated to connect respectively with drum device and scene display device
Machine, the computer select corresponding virtual test scene transfer to show dress to scene according to the kinetic characteristic of vehicle travel process
It sets and is presented, further include the fixation device for preventing tested vehicle from sailing out of drum device, the fixed device connects respectively
It is connected to the front and back of tested vehicle.
Optionally, the scene display device includes projection screen, projector and for mobile projector curtain, projector
Mobile mechanism, the projection screen are set to the projecting direction of projector, and the projector and projection screen are all connected to described
Mobile mechanism, the computer and projector communicate to connect.
Optionally, the mobile mechanism includes sliding rail, mobile motor and the first slide unit and the second slide unit that are slidedly arranged on sliding rail,
The mobile motor drives first slide unit and the second slide unit to move along sliding rail, and the projection screen is connected to the first slide unit,
The projector is connected to the second slide unit.
Optionally, the projection screen and projector pass through elevating mechanism and connect respectively with the first slide unit and the second slide unit
It connects.
Optionally, the elevating mechanism includes lifting motor and expansion hinge, and the lifting motor drives the expansion hinge
Chain drives projection screen or projector lifting.
Optionally, the drum device is 4 wheel driven drum device.
It optionally, further include for reducing the cooling device of tested vehicle temperature.
Optionally, the cooling device is air blower.
Implement the embodiments of the present invention, has following technical effect that
The utility model first passes through mobile mechanism's adjustment projector and projection screen in test, and passes through computer root
Corresponding virtual test scene transfer is selected to be presented to scene display device according to the kinetic characteristic of vehicle travel process, thus
Test job can be carried out in the early stage of the project, in advance exposure system there are the problem of, reduce project later period real vehicle place and road
The problem of finding in test process quantity, reduces the pressure on project later time, is conducive to the shortening in project development period；
Meanwhile the virtual test scene for being tested is stored in computer, using computer according to vehicle driving
The kinetic characteristic of process selects corresponding virtual test scene transfer to be presented to scene display device, keeps tested vehicle logical
During crossing wheel hub device traveling, Lane Departure Warning System detects the virtual survey showed by scene display device
Examination hall scape improves the efficiency of test, drops to carry out testing whether that reliably test process is simple to Lane Departure Warning System
Low cost, and since test scene is launched by scene display device, can to the required scene tested into
Row customization, can more comprehensively carry out examination light condition, weather tiptoe, road type and traffic lane line type for lane
Deviate the influence of early warning system, measurement condition is more abundant, facilitates the raising of system stability and adaptive capacity to environment；
When testing tested vehicle, drum device allows tested vehicle that position does not occur on opposite ground
In the case where shifting, start the movement of simulated automotive after tested vehicle, tested vehicle is made to generate longitudinal speed signal to activate
Vehicle deviates early warning system, carries out test job, to reduce tested vehicle simulation driving process to place space on the spot
Requirement, while reducing the budget and time of test site and tested vehicle conveying to field test place, reduce and survey
The number for trying time, field test and road test, improves the efficiency of test；
Finally, tested vehicle is during the test, the shift and acceleration and deceleration operation of tested vehicle can make vehicle vertical
It is moved on direction, by being connected and fixed device in the front and back of tested vehicle, avoids the wheel of tested vehicle
It is detached from rotating hub, tested vehicle goes out drum device, is conducive to tester or equipment around protection, prevents to collide.
To sum up, it is realized by the cooperation of wheel hub device, scene display device and computer to Lane Departure Warning System
Test, reduce the cost of test and the dependence to place on the spot, improve the efficiency and accuracy of test.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the preferred embodiment in the utility model.
Description of symbols:
1, drum device, 2, scene display device, 21, projection screen, 22, projector, 23, mobile mechanism, 231, sliding rail,
232, mobile motor, the 233, first slide unit, the 234, second slide unit, 24, elevating mechanism, 241, lifting motor, 242, expansion hinge,
3, computer, 4, cooling device, 5, fixed device, 6, tested vehicle.
Specific embodiment
With reference to the accompanying drawings and examples, specific embodiment of the present utility model is described in further detail.Below
Embodiment is not intended to limit the scope of the present invention for illustrating the utility model.
With reference to Fig. 1, a kind of virtual measurement platform for Lane Departure Warning System is present embodiments provided, including is used for
The drum device 1 of the driving status with simulating vehicle on live road surface is matched with tested vehicle 6, is virtually surveyed for rendering
The scene display device 2 of examination hall scape and the computer 3 communicated to connect respectively with drum device 1 and scene display device 2, the meter
Calculation machine 3 is existing equipment, preferably high performance control computer, and built-in virtual scene model can be with simulated automotive real vehicle place
Various movement scenarios in driving process, computer 3 select corresponding virtual test field according to the kinetic characteristic of vehicle travel process
Scape is transferred to scene display device 2 and is presented, and further includes the fixation device for preventing tested vehicle 6 from sailing out of drum device
5, fixed device 5 is connected to the front and back of tested vehicle 6.
The utility model first passes through mobile mechanism's adjustment projector and projection screen in test, and passes through computer root
Corresponding virtual test scene transfer is selected to be presented to scene display device according to the kinetic characteristic of vehicle travel process, thus
Test job can be carried out in the early stage of the project, in advance exposure system there are the problem of, reduce project later period real vehicle place and road
The problem of finding in test process quantity, reduces the pressure on project later time, is conducive to the shortening in project development period；
Meanwhile the virtual test scene for being tested is stored in computer 3, using computer 3 according to vehicle row
The kinetic characteristic for crossing journey selects corresponding virtual test scene transfer to be presented to scene display device 2, makes tested test run
During being travelled by wheel hub device 1, Lane Departure Warning System, which is detected, to be showed by scene display device 2
Virtual test scene, to carry out testing whether that reliably test process is simple, improves the effect of test to Lane Departure Warning System
Rate reduces cost, and since test scene is launched by scene display device 2, can be tested required
Scene is customized, and can more comprehensively carry out examination light condition, weather tiptoe, road type and traffic lane line type pair
In the influence of Lane Departure Warning System, measurement condition is more abundant, facilitates mentioning for system stability and adaptive capacity to environment
It is high；
Finally, drum device 1 allows tested vehicle 6 on opposite ground when testing tested vehicle 6
In the case where not being subjected to displacement, start the movement of simulated automotive after tested vehicle 6, tested vehicle 6 is made to generate longitudinal velocity
Signal carries out test job, to reduce tested 6 simulated driving process of vehicle to reality to activate vehicle to deviate early warning system
The requirement in ground place space, while reducing the application of test site and tested vehicle 6 is transported to field test place
Budget and time reduce the number of testing time, field test and road test, improve the efficiency of test；
During the test, the shift and acceleration and deceleration operation of tested vehicle 6 can make vehicle in longitudinal side to tested vehicle 6
It moves upwards, by being connected and fixed device 5 in the front and back of tested vehicle 6, the wheel for avoiding tested vehicle 6 is de-
From rotating hub, tested vehicle 6 goes out drum device 1, is conducive to tester or equipment around protection, prevents to collide.
With reference to Fig. 1, in the present embodiment, drum device 1 is 4 wheel driven drum device, stablizes the position of tested vehicle 6
Property it is higher, drum device 1 controls the different rotating hub height of drum device 1 by computer 3, to change tested vehicle 6 four
The height of a different wheel realizes that tested vehicle 6 simulates the driving cycle of straight road surface, climb and fall and up-and-down surfaced road, to open
It opens up vehicle and deviates test of the early warning system on different road surfaces.
In the present embodiment, scene display device 2 including projection screen 21, projector 22 and is used for mobile projector curtain
21, the mobile mechanism 23 of projector 22, projector 22 are communicated to connect by HDMI wire and computer 3, and projection screen 21 is set to
The projecting direction of projector 22, projector 22 and projection screen 21 are connected to mobile mechanism 23.Preferably, computer 3 is using high
Properties Control computer, projector 22 use high definition projector.
The projection screen 21 of the present embodiment is fixedly connected by connecting plate with one end of expansion hinge 242, expansion hinge 242
The other end be connected to the first slide unit 233, lifting motor 241 is fixed on the first slide unit 233, and the movement of lifting motor 241 makes to project
Curtain 21 is gone up and down；Mobile motor 232 is connected to 231 side of sliding rail, and the second slide unit 234 is then fixed on the track of sliding rail 231, moves
Dynamic 232 the second slide unit of rotate driving 234 of motor is mobile, realizes the projector 22 for being connected to the second slide unit 234 along slide direction
It is mobile, to be applicable in the use of different model vehicle or Lane Departure Warning System.
Further, mobile mechanism 23 includes sliding rail 231, mobile motor 232 and the first slide unit for being slidedly arranged on sliding rail 231
233 and second slide unit 234, mobile motor 232 drive the first slide unit 233 and the second slide unit 234 to move along sliding rail 231, projection screen
Cloth 21 is connected to the first slide unit 233, and projector 22 is connected to the second slide unit 234.
Wherein, projection screen 21 and projector 22 by elevating mechanism 24 respectively with the first slide unit 233 and the second slide unit
234 connections.
Specifically, elevating mechanism 24 includes lifting motor 241 and expansion hinge 242, lifting motor 241 drives expansion hinge
242 drive projection screen 21 or projector 22 to go up and down, and realize the adjusting of projector 22 or projection screen 21 in height, further
Improve the scope of application of equipment.
It further include that tested vehicle 6 is reduced by cooling device 4 for reducing the cooling device 4 of tested 6 temperature of vehicle
Temperature, it is ensured that engine is in normal temperature range to vehicle during the test, while rationally to control cooling device 4
Output power, it is ensured that the stability of engine cooling and scene display device 2 is unaffected, specifically, the drop in the present embodiment
Warm device 4 is air blower, and the radiating efficiency of tested vehicle 6 is improved by improving the air flow property around tested vehicle 6.
The working principle of the present embodiment are as follows:
Firstly, passing through elevating mechanism 24 and mobile mechanism 23 according to the vehicle or Lane Departure Warning System of different model
Adjust the position of projector 22 and projection screen 21；
Then, start drum device 1, generate tested vehicle 6 wheel in the case where opposite ground is not subjected to displacement
Rotation, and by computer control drum device 1 different rotating hub change in elevation, realize be tested vehicle 6 straight road surface, on
The simulation on descending road surface and up-and-down surfaced road, so that running movement characteristic of the tested vehicle simulation on live road surface be made to carry out vehicle
The test of road deviation early warning system；
Finally, computer 3 selects different virtual test scenes to pass according to the kinetic characteristic of tested 6 driving process of vehicle
It is defeated to be launched on projection screen 21 to projector 22, so that the Lane Departure Warning System of tested vehicle is obtained tested test run
Road environment in driving process, to detect the Lane Departure Warning System of tested vehicle under different road environments
It is whether reliable.
To sum up, implement the present embodiment:
First, by implementing the present embodiment, can effectively avoid when carrying out the test of Lane Departure Warning System, vehicle mould
Type and sensor model build inaccuracy to be influenced to test bring, and real vehicle can be used directly and participate in test process, accuracy mentions
While high, test process is more nearly the real use state of client；
Second, relative to hardware-in―the-loop test, analog machine cannot substitute real vehicle completely, directly participate in test using real vehicle
Avoid analog machine influences to system bring is uncertain, and accuracy further increases；
Third, relative to place and road test, test period is shorter, and testing efficiency is higher, selects different test works
Condition is more convenient, helps to improve the stability and adaptive capacity to environment of system.
Various information are described using term " first ", " second " etc., but these information should not necessarily be limited by the utility model
These terms, these terms are only used to for same type of information being distinguished from each other out.For example, not departing from the scope of the utility model
In the case where, " first " information can also be referred to as " second " information, and similar, " second " information can also be referred to as " first "
Information.
The above is only the preferred embodiment of the utility model, it is noted that for the common skill of the art
For art personnel, without deviating from the technical principle of the utility model, several improvement and replacement can also be made, these change
It also should be regarded as the protection scope of the utility model into replacement.
Claims (8)
1. a kind of virtual measurement platform for Lane Departure Warning System, which is characterized in that including being used for and tested vehicle
Match that the drum device of the driving status with simulating vehicle on live road surface, the scene of virtual test scene is aobvious for rendering
Showing device and the computer communicated to connect respectively with drum device and scene display device, the computer is according to vehicle driving
The kinetic characteristic of process selects corresponding virtual test scene transfer to be presented to scene display device, further includes for preventing
Tested vehicle sails out of the fixation device of drum device, and the fixed device is connected to the front and back of tested vehicle.
2. the virtual measurement platform according to claim 1 for Lane Departure Warning System, which is characterized in that the field
Scape display device includes projection screen, projector and the mobile mechanism for mobile projector curtain, projector, the projection screen
Be set to the projecting direction of projector, the projector and projection screen are all connected to the mobile mechanism, the computer with
Projector communication connection.
3. the virtual measurement platform according to claim 2 for Lane Departure Warning System, which is characterized in that the shifting
Motivation structure includes sliding rail, mobile motor and the first slide unit and the second slide unit that are slidedly arranged on sliding rail, described in the mobile motor driving
First slide unit and the second slide unit are moved along sliding rail, and the projection screen is connected to the first slide unit, and the projector is connected to second
Slide unit.
4. the virtual measurement platform according to claim 3 for Lane Departure Warning System, which is characterized in that the throwing
Shadow curtain and projector pass through elevating mechanism and connect respectively with the first slide unit and the second slide unit.
5. the virtual measurement platform according to claim 4 for Lane Departure Warning System, which is characterized in that the liter
Descending mechanism includes lifting motor and expansion hinge, and the lifting motor drives the expansion hinge to drive projection screen or projector
Lifting.
6. the virtual measurement platform according to claim 1-5 for Lane Departure Warning System, feature exist
In the drum device is 4 wheel driven drum device.
7. the virtual measurement platform according to claim 1-5 for Lane Departure Warning System, feature exist
In further including for reducing the cooling device of tested vehicle temperature.
8. the virtual measurement platform according to claim 7 for Lane Departure Warning System, which is characterized in that the drop
Warm device is air blower.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821821919.7U CN209085936U (en) | 2018-11-05 | 2018-11-05 | A kind of virtual measurement platform for Lane Departure Warning System |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201821821919.7U CN209085936U (en) | 2018-11-05 | 2018-11-05 | A kind of virtual measurement platform for Lane Departure Warning System |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110955158A (en) * | 2019-11-19 | 2020-04-03 | 同济大学 | Target vehicle control system and control method for intelligent vehicle whole vehicle in-loop test |
| CN111175056A (en) * | 2020-01-17 | 2020-05-19 | 金龙联合汽车工业（苏州）有限公司 | Hardware-in-loop test device of commercial vehicle lane keeping system |
| CN112924188A (en) * | 2021-01-27 | 2021-06-08 | 恒大新能源汽车投资控股集团有限公司 | Hub test control system and method |
| CN113252365A (en) * | 2021-06-16 | 2021-08-13 | 智己汽车科技有限公司 | Testing device and testing method for lane auxiliary system |
-
2018
- 2018-11-05 CN CN201821821919.7U patent/CN209085936U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110955158A (en) * | 2019-11-19 | 2020-04-03 | 同济大学 | Target vehicle control system and control method for intelligent vehicle whole vehicle in-loop test |
| CN111175056A (en) * | 2020-01-17 | 2020-05-19 | 金龙联合汽车工业（苏州）有限公司 | Hardware-in-loop test device of commercial vehicle lane keeping system |
| CN112924188A (en) * | 2021-01-27 | 2021-06-08 | 恒大新能源汽车投资控股集团有限公司 | Hub test control system and method |
| CN113252365A (en) * | 2021-06-16 | 2021-08-13 | 智己汽车科技有限公司 | Testing device and testing method for lane auxiliary system |
| CN113252365B (en) * | 2021-06-16 | 2024-03-19 | 智己汽车科技有限公司 | Testing device and testing method for lane auxiliary system |
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