CN209785456U - Intelligent vehicle traffic simulation sand table device - Google Patents
Intelligent vehicle traffic simulation sand table device Download PDFInfo
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- CN209785456U CN209785456U CN201920567137.3U CN201920567137U CN209785456U CN 209785456 U CN209785456 U CN 209785456U CN 201920567137 U CN201920567137 U CN 201920567137U CN 209785456 U CN209785456 U CN 209785456U
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Abstract
the utility model designs an intelligent vehicle traffic simulation sand table device, which comprises a sand table, an LED screen and a plurality of computers; the LED screen is arranged opposite to the computers, and a sand table is arranged between the LED screen and the computers; the sand table includes: a plurality of traffic elements are made according to the real road environment; green belts and building models are manufactured according to real environment in a micro-scale mode; the plurality of traffic elements includes: lanes, traffic lights, traffic signs; the greenbelt includes: green lawn and green plants; the building model includes: parking lot, gas station, charging station. The issued traffic information is displayed through the LED screen, and then the test data is accumulated through various actions of the intelligent vehicle operated by the computer end on the sand table, so that the inconvenience caused by a real test II is avoided. Simultaneously the utility model discloses a sand table also can be used for acting as teaching aid, has widened the utility model discloses an application scope.
Description
Technical Field
The utility model relates to a policy sand table field especially relates to an intelligent vehicle traffic emulation sand table device.
background
The intelligent traffic is a product combining science in multiple fields such as information technology, communication technology, sensing technology, control technology, computer technology and the like with ordinary automobiles. The most important technology of the public of intelligent transportation is the generation and the application of intelligent automobiles. Compared with a manually driven automobile, the intelligent automobile has the advantages of environment perception, response speed, stable operation and the like, so that higher-quality safety guarantee can be provided for traffic travel. The development of the intelligent automobile technology has great significance for ensuring national safety and public safety, promoting the development of information service and related industries and improving the national living standard.
However, conducting intelligent vehicle research experiments in real road traffic environments faces certain difficulties. First, the problem of social safety is faced, and even if a great deal of protection measures are adopted to ensure the safety of vehicles and personnel, the potential errors and dangers in the system cannot be completely eliminated in consideration of the complexity of the autonomous driving system. Secondly, there is a lack of relevant regulations for smart vehicles in current traffic regulations, and if a traffic accident is caused by errors in autonomous driving procedures, relevant research institutions will likely face risks in lawsuits. In addition, because of the large amount of precision equipment required, the overall cost of a smart vehicle is often high, and the high cost and maintenance costs are prohibitive for most research institutes, thus limiting the scale on which experiments can be performed. Therefore, it is necessary to construct an autonomous driving verification platform under a miniature scale for relevant research on miniature vehicle driving and the like. The current autonomous driving verification platform mostly adopts a form of a traffic simulation sand table model, but the current traffic simulation sand table model lacks a corresponding matched information issuing system and an intelligent vehicle control system. Additionally, because the utility model discloses an in added intelligent vehicle's application, so require stricter to the road of sand table, present traffic simulation sand table model is difficult to satisfy the demand.
SUMMERY OF THE UTILITY MODEL
To the problem, an object of the utility model is to provide an intelligent vehicle traffic emulation sand table device.
The utility model provides a technical scheme that above-mentioned technical problem adopted is: the utility model provides an intelligent vehicle traffic simulation sand table device which characterized in that: the sand table device comprises a sand table, an LED screen and a plurality of computers; the LED screen is arranged opposite to the computers, and the sand table is arranged between the LED screen and the computers; the sand table comprises: a plurality of traffic elements are made according to the real road environment; green belts and building models are manufactured according to real environment in a micro-scale mode; the plurality of traffic elements includes: lanes, traffic lights, traffic signs; the green belt comprises: green lawn and green plants; the building model includes: parking lot, gas station, charging station.
Further, the surface adhesion coefficient of the lane is not less than 0.75.
Further, the longitudinal gradient and the transverse gradient of the plane road of the lane are less than 0.5 degrees.
Further, the height difference of the seam at the seam of the surface of the lane is not higher than 1mm, and the horizontal width of the seam is less than 0.5 mm.
Furthermore, the diameter of the sprayed particles on the surface of the lane is 0.02-0.05 mm, and the spraying is uniform.
Furthermore, an intelligent trolley is further arranged on the sand table.
Further, the micro proportion of the intelligent trolley to the real vehicle is 1: 10.
Furthermore, green bionic lawns are laid in non-road coverage areas of the sand table ground, green plants are planted on two sides of the road, and guardrails are arranged on two sides of the road.
the utility model has the advantages that:
1. The utility model designs an intelligent vehicle traffic simulation sand table device, which comprises a sand table, an LED screen and a plurality of computers; the LED screen is arranged opposite to the computers, and a sand table is arranged between the LED screen and the computers; the sand table includes: a plurality of traffic elements are made according to the real road environment; green belts and building models are manufactured according to real environment in a micro-scale mode; the plurality of traffic elements includes: lanes, traffic lights, traffic signs; the greenbelt includes: green lawn and green plants; the building model includes: parking lot, gas station, charging station. The issued traffic information is displayed through the LED screen, and then the test data is accumulated through various actions of the intelligent vehicle operated by the computer end on the sand table, so that the inconvenience caused by a real test II is avoided. Simultaneously the utility model discloses a sand table also can be used for acting as teaching aid, has widened the utility model discloses an application scope.
2. The utility model discloses the surface adhesion coefficient in well lane is not less than 0.75, and the vertical slope of the plane road in lane is less than at 0.5 with horizontal slope, and the seam difference in height of lane surface seam department is not higher than 1mm, and seam horizontal width is less than 0.5mm, and lane surface spraying particle diameter is between 0.02 ~ 0.05mm, and the spraying is even. Through the arrangement, the road surface environment has higher simulation degree. The layout and the size of the lane, the traffic signs and the traffic signal lamps are all realized according to the national standard miniature, so that the miniature environment is ensured to be close to the reality as much as possible, and the reliability of the platform experiment is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is the utility model relates to an intelligent vehicle traffic emulation sand table device's schematic structure diagram.
Wherein:
1. An LED display screen; 2. planting green; 3. an intelligent trolley; 4. a bridge; 5. a green belt A;
6. A road; 7. a guardrail; 8. a green belt B; 9. building; 10. a lake;
11. A computer;
Detailed Description
the technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
as shown in figure 1, the intelligent vehicle traffic simulation sand table device comprises a sand table, an LED screen and a plurality of computers 11; the LED screen is arranged opposite to the computers 11, and the sand table is arranged between the LED screen and the computers 11; the sand table comprises: a plurality of traffic elements are made according to the real road 6 environment; green belt and building 9 model made according to real environment; the plurality of traffic elements includes: lanes, traffic lights, traffic signs; the green belt comprises: green lawn and green plant 2; the building 9 model includes: parking lot, gas station, charging station.
Wherein the surface adhesion coefficient of the lane is not less than 0.75; the adhesion coefficient is the ratio of the adhesion force to the normal (perpendicular to the road surface) pressure of the wheel. In the rough calculation, it can be considered as a static friction coefficient between the tire and the road surface. It is determined by the road surface and the tyre, the larger this coefficient, the larger the available adhesion and the less likely the car will slip. The utility model discloses promote the coefficient of adhesion on lane surface, have better ground nature of grabbing when the dolly traveles.
the longitudinal gradient and the transverse gradient of the plane road 6 of the lane are less than 0.5 degree; the lateral direction refers to a gradient from the center line of the road 6 toward both sides, and the longitudinal direction refers to a gradient in both directions on which the vehicle travels.
The height difference of the seam at the seam on the surface of the lane is not higher than 1mm, and the horizontal width of the seam is less than 0.5 mm; the diameter of the sprayed particles on the surface of the lane is 0.02-0.05 mm, and the spraying is uniform; the sand table is also provided with an intelligent trolley 3; the micro proportion of the intelligent trolley 3 to the real vehicle is 1: 10; green bionic lawns are laid in the non-road 6 coverage area of the sand table ground, green plants 2 are planted on two sides of the road 6, and guardrails 7 are arranged on two sides of the road 6. Through the arrangement, the road surface environment has higher simulation degree. The layout and the size of the lane, the traffic signs and the traffic signal lamps are all realized according to the national standard miniature, so that the miniature environment is ensured to be close to the reality as much as possible, and the reliability of the platform experiment is improved.
In addition, facilities such as street lamps, traffic lights and the like can be added on the sand table of the utility model, and the street lamps are unilateral street lamps; the traffic signal lamp adopts an aluminum alloy pipe; paving green bionic lawns in the non-road 6 covering area on the ground, and planting green bionic plants on two sides of the road 6; the guardrail 7 is made of a special plate for a model; the environment simulation system adopts energy-saving and environment-friendly materials; wherein the sand table is compounded with the following environmental quality requirements: the indoor air quality standard conforms to national indoor air quality detection standard national standard 18883-; the indoor air formaldehyde sanitary standard meets the national indoor air quality detection standard GB/T16127-1995; the civil building 9 engineering indoor environmental pollution control specification conforms to national indoor air quality detection standard national standard GB 50325-2001; the indoor material requirement reaches the national E0 standard requirement; fire protection requirements: the fire-proof grade requirement meets the design fire-proof specification GBJ16-87 of the national standard building 9 of the people's republic of China.
The utility model discloses in, computer 11 accords with following hardware and software requirement:
Hardware requirements: a processor: intel core i7, 2T hard disk, 8G memory, 2G display, not less than 21 inch liquid crystal wide screen display; one WIFI router is provided, and the wireless communication speed is not lower than 54 Mbps.
Software requirements: the whole traffic environment simulation control software 1 set needs to realize the following functions:
Traffic signal lamp control function: the traffic signal lamps are controlled independently;
simulating a traffic information release function: sending the traffic information to an LED character display device in the system;
and thirdly, the communication function between the control console and the miniature intelligent vehicle is realized, and information can be sent to the miniature intelligent vehicle and received.
The utility model discloses in, intelligent vehicle 3 accords with following hardware and software requirement: each intelligent vehicle 3 comprises chassis, computer and various sensors, can realize independently patrolling line and going, traffic marking line discernment, go according to the traffic planning queue, the place ahead barrier detects, can realize intelligent vehicle 3 and control cabinet wifi communication function simultaneously.
Hardware criteria are as follows:
(1) The specification of the intelligent trolley 3 is in a proportion of 1: 10;
(2) And 3, computer configuration of the intelligent trolley: the CPU can support an operating system above WINXP; not less than 30G solid state disk; not lower than 2G memory;
(3) the WIFI equipment has the wireless communication speed not lower than 54 Mbps;
(4) a radio frequency card receiving device;
(5) the LCD display device can display character information.
(6) The sensor is used for perceiving the traffic environment (lane line, traffic sign, etc.) around the intelligent vehicle 3, mainly includes: two cameras, an ultrasonic sensor or a photoelectric tube sensor, a photoelectric encoder, WIFI equipment, a radio frequency card receiving device and the like.
(7) the functional indexes are as follows:
The highest linear speed of the intelligent trolley 3 is not lower than 0.5 m/s; the traffic light state is identified in real time, and the identification rate reaches more than 98 percent; more than 2 vehicles run according to a traffic planning queue; the autonomous line patrol driving is realized, and the reliability reaches more than 99 percent; the obstacle detection function is realized, the information of the front obstacles is uploaded to the control platform, and meanwhile, the autonomous obstacle avoidance driving is realized, and the reliability is over 99 percent; and the intelligent trolley 3 has a wifi communication function with the console.
software requirements: the intelligent trolley 3 control management software 1 set can realize the monitoring and control of the states of a plurality of intelligent trolleys 3, and mainly has the following functions:
Displaying the motion states of each vehicle in real time, including speed, driving distance, working state and the like; simultaneously sending control commands including starting, stopping and software downloading to each vehicle; and independently sending control commands including starting, running, stopping and the like to each vehicle.
The working mode is as follows:
The utility model designs an intelligent vehicle traffic simulation sand table device, which comprises a sand table, an LED screen and a plurality of computers 11; the LED screen is arranged opposite to the computers 11, and a sand table is arranged between the LED screen and the computers 11; the sand table includes: a plurality of traffic elements are made according to the real road 6 environment; green belt and building 9 model made according to real environment; the plurality of traffic elements includes: lanes, traffic lights, traffic signs; the greenbelt includes: green lawn and green plant 2; the building 9 model includes: parking lot, gas station, charging station. The issued traffic information is displayed through the LED screen, and then the computer 11 end is used for operating various actions of the intelligent car 3 on the sand table to accumulate test data, so that the inconvenience caused by a real test II is avoided. Simultaneously the utility model discloses a sand table also can be used for acting as teaching aid, has widened the utility model discloses an application scope.
The utility model discloses the surface adhesion coefficient in well lane is not less than 0.75, and 6 vertical slopes of the planar road in lane are less than at 0.5 with horizontal slope, and the seam difference in height of lane surface seam department is not higher than 1mm, and seam horizontal width is less than 0.5mm, and lane surface spraying particle diameter is between 0.02 ~ 0.05mm, and the spraying is even. Through the arrangement, the road surface environment has higher simulation degree. The layout and the size of the lane, the traffic signs and the traffic signal lamps are all realized according to the national standard miniature, so that the miniature environment is ensured to be close to the reality as much as possible, and the reliability of the platform experiment is improved.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.
Claims (8)
1. the utility model provides an intelligent vehicle traffic simulation sand table device which characterized in that: the sand table device comprises a sand table, an LED screen and a plurality of computers; the LED screen is arranged opposite to the computers, and the sand table is arranged between the LED screen and the computers; the sand table comprises: a plurality of traffic elements are made according to the real road environment; green belts and building models are manufactured according to real environment in a micro-scale mode; the plurality of traffic elements includes: lanes, traffic lights, traffic signs; the green belt comprises: green lawn and green plants; the building model includes: parking lot, gas station, charging station.
2. The intelligent vehicle traffic simulation sand table device according to claim 1, wherein: the surface adhesion coefficient of the lane is not less than 0.75.
3. the intelligent vehicle traffic simulation sand table device according to claim 1, wherein: the longitudinal gradient and the transverse gradient of the plane road of the lane are less than 0.5 degrees.
4. The intelligent vehicle traffic simulation sand table device according to claim 1, wherein: the height difference of the seam at the seam on the surface of the lane is not higher than 1mm, and the horizontal width of the seam is less than 0.5 mm.
5. The intelligent vehicle traffic simulation sand table device according to claim 1, wherein: the diameter of the sprayed particles on the surface of the lane is 0.02-0.05 mm, and the spraying is uniform.
6. the intelligent vehicle traffic simulation sand table device according to claim 1, wherein: and an intelligent trolley is also arranged on the sand table.
7. The intelligent vehicle traffic simulation sand table device according to claim 6, wherein: the micro proportion of the intelligent trolley to the real vehicle is 1: 10.
8. The intelligent vehicle traffic simulation sand table device according to claim 1, wherein: green bionic lawns are laid in non-road coverage areas of the sand table ground, green plants are planted on the two sides of the road, and guardrails are arranged on the two sides of the road.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920567137.3U CN209785456U (en) | 2019-04-24 | 2019-04-24 | Intelligent vehicle traffic simulation sand table device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201920567137.3U CN209785456U (en) | 2019-04-24 | 2019-04-24 | Intelligent vehicle traffic simulation sand table device |
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| CN209785456U true CN209785456U (en) | 2019-12-13 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111554153A (en) * | 2020-05-14 | 2020-08-18 | 北京工业大学 | Intelligent integrated comprehensive experiment platform for traffic teaching, scientific research and display |
| CN113270023A (en) * | 2021-05-12 | 2021-08-17 | 杭州英才规划建筑设计咨询有限公司 | Sand table for city planning construction with good display effect |
| CN114882698A (en) * | 2022-03-31 | 2022-08-09 | 上海交通大学 | Miniature vehicle dynamic path planning vehicle-road coordination system based on V2X |
-
2019
- 2019-04-24 CN CN201920567137.3U patent/CN209785456U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111554153A (en) * | 2020-05-14 | 2020-08-18 | 北京工业大学 | Intelligent integrated comprehensive experiment platform for traffic teaching, scientific research and display |
| CN113270023A (en) * | 2021-05-12 | 2021-08-17 | 杭州英才规划建筑设计咨询有限公司 | Sand table for city planning construction with good display effect |
| CN114882698A (en) * | 2022-03-31 | 2022-08-09 | 上海交通大学 | Miniature vehicle dynamic path planning vehicle-road coordination system based on V2X |
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