CN108447306A - Real time position shares the analogy method of intelligent collision warning between No-shell culture conflict vehicle - Google Patents
Real time position shares the analogy method of intelligent collision warning between No-shell culture conflict vehicle Download PDFInfo
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- CN108447306A CN108447306A CN201810368921.1A CN201810368921A CN108447306A CN 108447306 A CN108447306 A CN 108447306A CN 201810368921 A CN201810368921 A CN 201810368921A CN 108447306 A CN108447306 A CN 108447306A
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- intelligent collision
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- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/16—Anti-collision systems
- G08G1/166—Anti-collision systems for active traffic, e.g. moving vehicles, pedestrians, bikes
Abstract
An embodiment of the present invention provides the analogy methods that real time position between a kind of No-shell culture conflict vehicle shares intelligent collision warning.This method includes：Build the traffic conflict experiment road network of No-shell culture；Real time position shares the course of work and its sphere of action of intelligent collision warning function between setting conflict vehicle；According to No-shell culture line of sight conditions and whether provide intelligent collision warning function division experiment scene；Build drive simulation experiment scene；In different drive simulation experiment scenes, drive simulation experiment is carried out, obtains experiment initial data；According to experiment initial data, action and efficacy difference of the intelligent collision warning function to driver under the different line of sight conditions of use effect of comparative analysis intelligent collision warning function and comparative analysis intersection.The real time position that the present invention can simulate between No-shell culture conflict vehicle shares intelligent collision warning function, and intelligent vehicle is instructed to drive the design of decision-making function and come into operation.
Description
Technical field
The present invention relates between control of traffic and road and control technology field more particularly to a kind of No-shell culture conflict vehicle
Real time position shares the analogy method of intelligent collision warning.
Background technology
Lack signal at No-shell culture and control facility, vehicle is close and by need not stop completely during intersection
Vehicle, but the observation of other state of motion of vehicle on front cross mouth road intersection is judged to stop determining to formulate away by oneself
Plan, the forward speed for controlling vehicle.It is easy to occur since driver's sighting distance is limited or driver in this course
Observation judges lateral impact accident caused by inaccuracy.Therefore when driver is close within the scope of No-shell culture, especially when
When No-shell culture undesirable close to line of sight conditions, there should be relevant warning information that driver is helped to identify potential conflict in time
Vehicle, and accurate judgement is made to its motion state, corresponding collision avoidance measure, safety intersection are taken in time.
Existing No-shell culture intelligent collision warning technology mainly passes through design logo information, flashing sign and voice
The modes such as prompt prompt driver to notice that front cross mouth may have laterally to carry out vehicle, need to slow down or stop.But this collision avoidance is pre-
Police's formula cannot be supplied to driver about the accurate potential conflict information of vehicles of front cross mouth, i.e., specific point of potential vehicle
Cloth position, driver are in passive decision-making state.It is supplied to potential conflict vehicle in driver's front cross mouth a certain range in time
Accurate information, by help driver have accurate understanding to potential danger, in time formulate more accurately reasonably keep away
Hit decision.
It a kind of providing No-shell culture therefore, it is necessary to design for driver and conflicts the shared collision avoidance of real time position between vehicle
Early warning analogy method, and test real time position and share whether intelligent collision warning function is conducive to conflict both sides driver by being handed over without control
The safety of prong and traffic efficiency.
Invention content
The embodiment provides the moulds that real time position between a kind of No-shell culture conflict vehicle shares intelligent collision warning
Quasi- method, to solve the problems in above-mentioned background technology.
To achieve the goals above, this invention takes following technical solutions：
Real time position shares the mould of intelligent collision warning between a kind of No-shell culture conflict vehicle that the embodiment of the present invention provides
Quasi- method, which is characterized in that this method includes：
Build the traffic conflict experiment road network of No-shell culture；
Real time position shares the course of work and its sphere of action of intelligent collision warning function between setting conflict vehicle；
According to No-shell culture line of sight conditions and intelligent collision warning function division experiment scene whether is provided, structure drives mould
Draft experiment scene；
In the different drive simulation experiment scenes, drive simulation experiment is carried out, obtains experiment initial data；
According to the experiment initial data, use effect of intelligent collision warning function and comparative analysis described in comparative analysis
Action and efficacy difference of the intelligent collision warning function to driver under the different line of sight conditions in intersection.
Preferably, the traffic conflict experiment road network for building No-shell culture, including：
On online drive simulation experiment porch, the traffic conflict experiment road network of drive simulation experiment, the traffic are built
Conflict experiment road network is 8 word wraparound shapes, will be successively at three without control intersection when two laboratory vehicles are from respective starting point Tong Shi
It is met with orthogonal travel direction at mouthful, is in potential traffic conflict situation.
Preferably, the course of work of the shared intelligent collision warning function of real time position and its effect between the setting conflict vehicle
Range, including：
On the right side of experiment meter panel of motor vehicle, the intelligent collision warning interface of setting energy automatic spring, for realizing between conflict vehicle
Real time position shares intelligent collision warning function；
The content shown on the intelligent collision warning interface includes：Local road network figure where vehicle, vehicle exist
Dynamic realtime position on local road network figure, dynamic realtime position of the potential conflict vehicle on local road network figure, vehicle
The dynamic realtime distance of dynamic realtime distance and potential conflict vehicle distances front cross mouth apart from front cross mouth.
4, real time position shares the simulation side of intelligent collision warning between No-shell culture according to claim 3 conflict vehicle
Method, which is characterized in that real time position shares the course of work and its effect of intelligent collision warning function between the setting conflict vehicle
Range further includes：
The automatic spring condition at the intelligent collision warning interface is：When experiment vehicle enters the model apart from x meters of front cross mouth
When enclosing interior, centered on the intersection of front, there are vehicles in the range of intersection x meters on other access roads of the intersection
, then test automatic spring early warning interface on the right side of meter panel of motor vehicle；
After experiment vehicle sails out of intersection, early warning interface is automatically closed.
Preferably, the foundation No-shell culture line of sight conditions and whether provide intelligent collision warning function divide field experiment
Scape builds drive simulation experiment scene, including：
On online drive simulation experiment porch, according to the line of sight conditions of No-shell culture and whether intelligent collision warning is provided
Four kinds of drive simulation experiment scenes of function, structure are respectively：
Line of sight conditions is good, without warning function in vehicle travel process；
Line of sight conditions is bad, without warning function in vehicle travel process；
Line of sight conditions is good, there is warning function in vehicle travel process；
Line of sight conditions is bad, there is warning function in vehicle travel process；
Wherein, on online drive simulation experiment porch, it is used as view obstruction object construction line of sight conditions by putting building
Undesirable intersection environment.
Preferably, described in the different drive simulation experiment scenes, drive simulation experiment is carried out, experiment is obtained
Initial data, including：
In the drive simulation experiment scene, it is real that drive simulation is carried out by the driving simulator of more on-line interaction
It tests, the initial data of more experiment vehicles, described original in the online drive simulation experiment porch synchronism output experimentation
Data include：Control parameter and driving parameters；
The control parameter includes：Accelerator pedal angle, brake pedal angle and direction disk corner；
The driving parameters include：Vehicle acceleration, vehicle position information, car speed, headstock orientation, road number,
Track offset distance and away from yellow line offset distance.
Preferably, described according to the initial data, use effect of intelligent collision warning function described in comparative analysis, and
The intelligent collision warning function is to the action and efficacy difference of driver under the different line of sight conditions in comparative analysis intersection, including：
The intelligent collision warning function is using the measurement index of effect：Traffic efficiency by intersection and safety；
The parameter of the traffic efficiency is：Two vehicles that conflict pass in succession through the time difference of conflict point, vehicle minimum speed
With car speed reduced rate；
The parameter of the safety is：Two vehicles that conflict pass in succession through between the time difference of conflict point, conflict vehicle minimum
Away from, the reaction moment, deceleration and the deceleration change rate that initially subtract/accelerate.
Preferably, described according to the initial data, use effect of intelligent collision warning function described in comparative analysis, and
The intelligent collision warning function further includes to the action and efficacy difference of driver under the different line of sight conditions in comparative analysis intersection：
On the basis of calculating is extracted and counted to initial data, the parameter based on the traffic efficiency and institute
State the parameter of safety：
Analysis is compared under the good intersection environment of line of sight conditions, is imitated current using before and after the intelligent collision warning function
Difference of both rate and safety；
Analysis is compared under the undesirable intersection environment of line of sight conditions, is imitated current using before and after the intelligent collision warning function
Difference of both rate and safety；
Analysis is compared under the conditions of different sight distance of intersection, using the intelligent collision warning function to the action and efficacy of driver
Difference.
The embodiment of the present invention is by designing a kind of nothing it can be seen from the technical solution that embodiments of the invention described above provide
Real time position shares the analogy method of intelligent collision warning between control intersection conflict vehicle, is based on online drive simulation experiment porch, takes
Build the traffic conflict experiment road network of No-shell culture；Real time position shares the worked of intelligent collision warning function between setting conflict vehicle
Journey and its sphere of action；According to No-shell culture line of sight conditions and whether provide intelligent collision warning function division experiment scene；Structure
Build drive simulation experiment scene；In different drive simulation experiment scenes, drive simulation experiment is carried out, obtains experiment original number
According to；According to experiment initial data, use effect of comparative analysis intelligent collision warning function and comparative analysis intersection is different regards
Action and efficacy difference of the intelligent collision warning function to driver away under the conditions of.The present invention can test real time position and share intelligent collision warning
Whether function is conducive to safety and traffic efficiency of the both sides driver by No-shell culture that conflict, and can also simulate the collision avoidance
Warning function is for difference the effect of intelligent collision warning function under the conditions of different sight distance of intersection.The experimental result of the present invention is available
In the design for instructing intelligent vehicle driving decision-making function and come into operation.
The additional aspect of the present invention and advantage will be set forth in part in the description, these will become from the following description
Obviously, or practice through the invention is recognized.
Description of the drawings
In order to illustrate the technical solution of the embodiments of the present invention more clearly, required use in being described below to embodiment
Attached drawing be briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for this
For the those of ordinary skill of field, without having to pay creative labor, other are can also be obtained according to these attached drawings
Attached drawing.
Fig. 1 is the shared intelligent collision warning of real time position between a kind of No-shell culture conflict vehicle provided in an embodiment of the present invention
The process chart of analogy method；
Fig. 2 is the shared intelligent collision warning of real time position between a kind of No-shell culture conflict vehicle provided in an embodiment of the present invention
The flow diagram of analogy method；
Fig. 3 is the shared intelligent collision warning of real time position between a kind of No-shell culture conflict vehicle provided in an embodiment of the present invention
The experiment road network figure of analogy method；
Fig. 4 is the shared intelligent collision warning of real time position between a kind of No-shell culture conflict vehicle provided in an embodiment of the present invention
The experiment scene figure a of analogy method；
Fig. 5 is the shared intelligent collision warning of real time position between a kind of No-shell culture conflict vehicle provided in an embodiment of the present invention
The experiment scene figure b of analogy method；
Fig. 6 is the shared intelligent collision warning of real time position between a kind of No-shell culture conflict vehicle provided in an embodiment of the present invention
The early warning interface display design sketch of analogy method.
Specific implementation mode
Embodiments of the present invention are described below in detail, the example of the embodiment is shown in the accompanying drawings, wherein from beginning
Same or similar element or element with the same or similar functions are indicated to same or similar label eventually.Below by ginseng
The embodiment for examining attached drawing description is exemplary, and is only used for explaining the present invention, and is not construed as limiting the claims.
Those skilled in the art of the present technique are appreciated that unless expressly stated, singulative " one " used herein, " one
It is a ", " described " and "the" may also comprise plural form.It is to be further understood that is used in the specification of the present invention arranges
It refers to there are the feature, integer, step, operation, element and/or component, but it is not excluded that presence or addition to take leave " comprising "
Other one or more features, integer, step, operation, element, component and/or their group.It should be understood that when we claim member
Part is " connected " or when " coupled " to another element, it can be directly connected or coupled to other elements, or there may also be
Intermediary element.In addition, " connection " used herein or " coupling " may include being wirelessly connected or coupling.Wording used herein
"and/or" includes any cell of one or more associated list items and all combines.
Those skilled in the art of the present technique are appreciated that unless otherwise defined, all terms used herein (including technology art
Language and scientific terminology) there is meaning identical with the general understanding of the those of ordinary skill in fields of the present invention.Should also
Understand, those terms such as defined in the general dictionary, which should be understood that, to be had and the meaning in the context of the prior art
The consistent meaning of justice, and unless defined as here, will not be with idealizing or the meaning of too formal be explained.
For ease of the understanding to the embodiment of the present invention, done further by taking several specific embodiments as an example below in conjunction with attached drawing
Explanation, and each embodiment does not constitute the restriction to the embodiment of the present invention.
Embodiment one
An embodiment of the present invention provides the simulations that real time position between a kind of No-shell culture conflict vehicle shares intelligent collision warning
Method simulates intelligent collision warning function by Simulation Experimental Platform, tests the effect of function is for different sight distance of intersection conditions
Sex differernce.
Real time position shares the simulation of intelligent collision warning between a kind of No-shell culture conflict vehicle provided in an embodiment of the present invention
The process chart of method is as shown in Figure 1, specifically include following processing step：
S110：Build the traffic conflict experiment road network of No-shell culture.
On online drive simulation experiment porch, the traffic conflict experiment road network of drive simulation experiment, the traffic are built
Conflict experiment road network is 8 word wraparound shapes, will be successively at three without control intersection when two laboratory vehicles are from respective starting point Tong Shi
It is met with orthogonal travel direction at mouthful, is in potential traffic conflict situation.
S120：Real time position shares the course of work and its sphere of action of intelligent collision warning function between setting conflict vehicle.
On the right side of experiment meter panel of motor vehicle, the intelligent collision warning interface of setting energy automatic spring, for realizing between conflict vehicle
Real time position shares intelligent collision warning function.
The content shown on the intelligent collision warning interface includes：Local road network figure where vehicle, vehicle exist
Dynamic realtime position on local road network figure, dynamic realtime position of the potential conflict vehicle on local road network figure, vehicle
The dynamic realtime distance of dynamic realtime distance and potential conflict vehicle distances front cross mouth apart from front cross mouth.
The automatic spring condition at the intelligent collision warning interface is：When experiment vehicle enters the model apart from x meters of front cross mouth
When enclosing interior, centered on the intersection of front, there are vehicles in the range of intersection x meters on other access roads of the intersection
, then test automatic spring early warning interface on the right side of meter panel of motor vehicle.
After experiment vehicle sails out of intersection, early warning interface is automatically closed.
S130：According to No-shell culture line of sight conditions and whether provide intelligent collision warning function division experiment scene, structure
Drive simulation experiment scene.
On online drive simulation experiment porch, according to the line of sight conditions of No-shell culture and whether intelligent collision warning is provided
Four kinds of drive simulation experiment scenes of function, structure are respectively：
(1) line of sight conditions is good, without warning function in vehicle travel process.
(2) line of sight conditions is bad, without warning function in vehicle travel process.
(3) line of sight conditions is good, there is warning function in vehicle travel process.
(4) line of sight conditions is bad, there is warning function in vehicle travel process.
Wherein, on online drive simulation experiment porch, it is used as view obstruction object construction line of sight conditions by putting building
Undesirable intersection environment.
S140：In the different drive simulation experiment scenes, drive simulation experiment is carried out, obtains experiment original number
According to.
In the drive simulation experiment scene, it is real that drive simulation is carried out by the driving simulator of more on-line interaction
It tests, the initial data of more experiment vehicles, described original in the online drive simulation experiment porch synchronism output experimentation
Data include：Control parameter and driving parameters.
The control parameter includes：Accelerator pedal angle, brake pedal angle and direction disk corner.
The driving parameters include：Vehicle acceleration, vehicle position information, car speed, headstock orientation, road number,
Track offset distance and away from yellow line offset distance.
S150：According to the experiment initial data, use effect of intelligent collision warning function described in comparative analysis, and compare
Action and efficacy difference of the intelligent collision warning function to driver under the different line of sight conditions in analysis intersection.
The intelligent collision warning function is using the measurement index of effect：Traffic efficiency by intersection and safety.
The parameter of the traffic efficiency is：Two vehicles that conflict pass in succession through the time difference of conflict point, vehicle minimum speed
With car speed reduced rate.
The parameter of the safety is：Two vehicles that conflict pass in succession through between the time difference of conflict point, conflict vehicle minimum
Away from, the reaction moment, deceleration and the deceleration change rate that initially subtract/accelerate.
On the basis of calculating is extracted and counted to initial data, the parameter based on the traffic efficiency and institute
State the parameter of safety：
(1) analysis is compared under the good intersection environment of line of sight conditions, is being led to using before and after the intelligent collision warning function
Difference of both line efficiency and safety.
(2) analysis is compared under the undesirable intersection environment of line of sight conditions, is being led to using before and after the intelligent collision warning function
Difference of both line efficiency and safety
(3) analysis is compared under the conditions of different sight distance of intersection, the effect using the intelligent collision warning function to driver
Effect difference.
Embodiment two
This embodiment offers a kind of No-shell culture conflict vehicle between real time position share intelligent collision warning analogy method,
Its specific implementation flow is as shown in Fig. 2, include：Preparation before experiment, tested tissue personnel carry out drive simulation experiment, adopt
Collect raw experimental data, chooses the critical behavior variable measurement index both effectiveness as early warning；It can specifically include following step
Suddenly：
Step 1：Build simulated experiment condition.
The embodiment is carried based on comprehensive traffic experiment porch (the online parallel artificial experimental system of urban road driving behavior)
The more online drive simulation experimental facilities supplied can enter different management modules by client end interface and carry out experiment scene design.
Experiment needs to select measured several, and determines measured's alternative condition according to experiment purpose.Experiment is considered as reality
Result generality is tested, age and sex composition are reasonable, and number suggestion is more than 40 people.
Step 2：Carry out the preparation of simulated experiment.
Based on the road network design function of online drive simulation experiment porch, as shown in figure 3, building the vehicle of drive simulation experiment
Traveling " 8 word wraparound shape " road network, so that two experiment vehicles is passed sequentially through three No-shell cultures during the experiment, and every
It is met with orthogonal travel direction one intersection.
Based on the Scenario Design function of online drive simulation experiment porch, as shown in Figure 4 and Figure 5, sighting distance item is built respectively
Part is good and the undesirable No-shell culture scene of line of sight conditions.Wherein, the undesirable No-shell culture scene of line of sight conditions passes through pendulum
Put sighting distance of the building as restriction of obstacle driver.
Whether the embodiment is good and whether provide warning function and be divided into four scenes according to sight distance of intersection condition,
Including：Line of sight conditions is good, without warning function in vehicle travel process；Line of sight conditions is bad, without early warning in vehicle travel process
Function；Line of sight conditions is good, there is warning function in vehicle travel process；Line of sight conditions is bad, there is early warning in vehicle travel process
Function.
The course of work of intelligent collision warning function is：When main vehicle enters in x meters of ranges of front cross mouth, if with front cross
Centered on mouthful, there are vehicles in x meters of ranges of other access roads, then pop-up early warning interface, early warning interface on the right side of main vehicle instrument board
Effect is as shown in Figure 6.When main vehicle sails out of intersection, early warning interface disappears.
The information shown on early warning interfacial effect figure as shown in FIG. 6 has：Main vehicle is the location of on road, main spacing
With a distance from front cross mouth, potential conflict vehicle location and its at a distance from intersection.In figure 6, main vehicle and potential conflict
Vehicle can indicate with green and red dot respectively, and main vehicle and potential conflict vehicle are away from can be respectively with green at a distance from intersection
With red digital representation, it is shown in the upper left corner at early warning interface.All display information in early warning interface dynamic change at any time, carries
Supply the real-time dynamic information of driver's conflict process.
Step 3：Carry out the test of simulated experiment.
Experiment constitutes a pair of of experimental group by two measured every time, is carried out at the same time experiment.A pair of of experimental group carries out four successively
The experiment of a scene.The sequence that different experiments group carries out four scenes is different, to ensure the balance of experiment scene sequence, excludes
The error interference brought by particular experiment Episode sequences.
In each scene, in experiment road network as shown in Figure 2, two measured simultaneously from starting point 1 and starting point 2s,
It encounters and stops at the signal lamp of 300 meters of the intersection of distance first, simultaneously from first intersection of distance after two vehicles waiting green light
It sets out at 300 meters of mouth, 40,000 ms/h of speed limit constructs the initial situation of potential traffic conflict, waits for that two instruction carriages are close to each other
Mutually see after in a certain range, starts free collision avoidance process.Similarly pass through second and third intersection.According to this
Method will be collected into 3 in each scene and collide case.
Step 4：The data of simulated experiment are analyzed.
Online drive simulation experiment porch is by the experiment initial data of more experiment vehicles in synchronism output experimentation.
The initial data that experiment obtains includes vehicle control parameters and vehicle driving parameters.
Vehicle control parameters include：Accelerator pedal angle, brake pedal angle and direction disk corner.Accelerator pedal angle can
Maximum speed for calculating current vehicle.Brake pedal angle can be used for calculating the braking time of current vehicle.Steering wheel turns
Angle can be used for calculating the turning radius of current vehicle.The vehicle control parameters that the data analysis process of the experiment is mainly used
Including accelerator pedal angle and brake pedal angle.
Vehicle driving parameters include：Vehicle acceleration, location information, car speed, headstock orientation, road number, track
Offset distance and away from yellow line offset distance.The vehicle driving parameters that the data analysis process of the experiment is mainly used include vehicle acceleration,
Location information and car speed.
From the using effect of intelligent collision warning function from the aspect of traffic efficiency and safety two, test and appraisal are made to its effect.
Wherein, traffic efficiency mainly passes in succession through the time difference of conflict point, vehicle minimum speed, vehicle by two vehicles that conflict
Speed reduced rate three indexs embody.Safety mainly passes in succession through time difference, the conflict vehicle of conflict point by two vehicles that conflict
Minimum spacing, initially subtract and (add) speed reaction moment, five deceleration, deceleration change rate indexs embody.
On the basis of being extracted to initial data and counting calculating, based on indices described above：
Analysis compare under the good intersection environment of line of sight conditions intelligent collision warning function using it is front and back in traffic efficiency and
Difference of both safety；Analysis compare under the undesirable intersection environment of line of sight conditions intelligent collision warning function using it is front and back
Difference of both traffic efficiency and safety；Analysis is compared under the conditions of different sight distance of intersection using intelligent collision warning function
Effect difference.
In conclusion the embodiment of the present invention tests road network by building the traffic conflict of No-shell culture；Setting conflict vehicle
Real time position shares the course of work and its sphere of action of intelligent collision warning function between；According to No-shell culture line of sight conditions and
Whether intelligent collision warning function is provided and divides experiment scene；Build drive simulation experiment scene；In different drive simulation field experiments
Jing Zhong carries out drive simulation experiment, obtains experiment initial data；According to experiment initial data, comparative analysis intelligent collision warning function
The different line of sight conditions of use effect and comparative analysis intersection under intelligent collision warning function it is poor to the action and efficacy of driver
It is different.The present invention proposes the warning function of shared real time position between conflict vehicle, and it is impermeable to overcome traditional early warning technology warning information
Bright defect, and the warning function is simulated by Simulation Experimental Platform, this warning function is tested for different sight distance of intersection
The effect of condition sex differernce, can be used for instructing intelligent vehicle drive decision-making function design and come into operation, reduce without control
The incidence of crossing accident ensures vehicle driving safety.
One of ordinary skill in the art will appreciate that：Attached drawing is the schematic diagram of one embodiment, module in attached drawing or
Flow is not necessarily implemented necessary to the present invention.
Each embodiment in this specification is described in a progressive manner, identical similar portion between each embodiment
Point just to refer each other, and each embodiment focuses on the differences from other embodiments.Especially for device or
For system embodiment, since it is substantially similar to the method embodiment, so describing fairly simple, related place is referring to method
The part of embodiment illustrates.Apparatus and system embodiment described above is only schematical, wherein the conduct
The unit that separating component illustrates may or may not be physically separated, the component shown as unit can be or
Person may not be physical unit, you can be located at a place, or may be distributed over multiple network units.It can root
According to actual need that some or all of module therein is selected to achieve the purpose of the solution of this embodiment.Ordinary skill
Personnel are without creative efforts, you can to understand and implement.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Any one skilled in the art in the technical scope disclosed by the present invention, the change or replacement that can be readily occurred in,
It should be covered by the protection scope of the present invention.Therefore, protection scope of the present invention should be with scope of the claims
Subject to.
Claims (8)
1. real time position shares the analogy method of intelligent collision warning between a kind of No-shell culture conflict vehicle, which is characterized in that the party
Method includes：
Build the traffic conflict experiment road network of No-shell culture；
Real time position shares the course of work and its sphere of action of intelligent collision warning function between setting conflict vehicle；
According to No-shell culture line of sight conditions and intelligent collision warning function division experiment scene whether is provided, structure drive simulation is real
Test scene；
In the different drive simulation experiment scenes, drive simulation experiment is carried out, obtains experiment initial data；
According to the experiment initial data, use effect of intelligent collision warning function and comparative analysis described in comparative analysis intersect
Action and efficacy difference of the intelligent collision warning function to driver under the different line of sight conditions of mouth.
2. real time position shares the analogy method of intelligent collision warning between No-shell culture conflict vehicle according to claim 1,
It is characterized in that, the traffic conflict experiment road network for building No-shell culture, including：
On online drive simulation experiment porch, the traffic conflict experiment road network of drive simulation experiment, the traffic conflict are built
Experiment road network is 8 word wraparound shapes, will be successively at three No-shell cultures when two laboratory vehicles are from respective starting point Tong Shi
It is met with orthogonal travel direction, is in potential traffic conflict situation.
3. real time position shares the analogy method of intelligent collision warning between No-shell culture conflict vehicle according to claim 1,
It is characterized in that, real time position shares the course of work and its effect model of intelligent collision warning function between the setting conflict vehicle
It encloses, including：
On the right side of experiment meter panel of motor vehicle, the intelligent collision warning interface of setting energy automatic spring, for realizing real-time between conflict vehicle
Share intelligent collision warning function in position；
The content shown on the intelligent collision warning interface includes：Local road network figure where vehicle, vehicle is in part
Dynamic realtime position on road network figure, dynamic realtime position of the potential conflict vehicle on local road network figure, vehicle distance
The dynamic realtime distance of front cross mouth and the dynamic realtime distance of potential conflict vehicle distances front cross mouth.
4. real time position shares the analogy method of intelligent collision warning between No-shell culture conflict vehicle according to claim 3,
It is characterized in that, real time position shares the course of work and its effect model of intelligent collision warning function between the setting conflict vehicle
It encloses, further includes：
The automatic spring condition at the intelligent collision warning interface is：When experiment vehicle enters in the range of x meters of front cross mouth
When, centered on the intersection of front, there are vehicles in the range of intersection x meters on other access roads of the intersection, then
Test automatic spring early warning interface on the right side of meter panel of motor vehicle；
After experiment vehicle sails out of intersection, early warning interface is automatically closed.
5. real time position shares the analogy method of intelligent collision warning between No-shell culture conflict vehicle according to claim 1,
It is characterized in that, the foundation No-shell culture line of sight conditions and whether intelligent collision warning function is provided divides experiment scene,
Drive simulation experiment scene is built, including：
On online drive simulation experiment porch, according to the line of sight conditions of No-shell culture and intelligent collision warning work(whether is provided
Can, four kinds of drive simulation experiment scenes of structure are respectively：
Line of sight conditions is good, without warning function in vehicle travel process；
Line of sight conditions is bad, without warning function in vehicle travel process；
Line of sight conditions is good, there is warning function in vehicle travel process；
Line of sight conditions is bad, there is warning function in vehicle travel process；
Wherein, on online drive simulation experiment porch, by put building be used as view obstruction object construct line of sight conditions it is bad
Intersection environment.
6. real time position shares the analogy method of intelligent collision warning between No-shell culture conflict vehicle according to claim 1,
It is characterized in that, it is described in the different drive simulation experiment scenes, drive simulation experiment is carried out, it is original to obtain experiment
Data, including：
In the drive simulation experiment scene, drive simulation experiment, institute are carried out by the driving simulator of more on-line interaction
State the initial data of more experiment vehicles in online drive simulation experiment porch synchronism output experimentation, the raw data packets
It includes：Control parameter and driving parameters；
The control parameter includes：Accelerator pedal angle, brake pedal angle and direction disk corner；
The driving parameters include：Vehicle acceleration, vehicle position information, car speed, headstock orientation, road number, track
Offset distance and away from yellow line offset distance.
7. real time position shares the analogy method of intelligent collision warning between No-shell culture conflict vehicle according to claim 1,
It is characterized in that, described according to the initial data, use effect of intelligent collision warning function described in comparative analysis, and compare
The action and efficacy difference of the intelligent collision warning function under the different line of sight conditions in intersection to driver is analyzed, including：
The intelligent collision warning function is using the measurement index of effect：Traffic efficiency by intersection and safety；
The parameter of the traffic efficiency is：Two vehicles that conflict pass in succession through the time difference of conflict point, vehicle minimum speed and vehicle
Speed reduced rate；
The parameter of the safety is：Two vehicles that conflict pass in succession through the time difference of conflict point, conflict vehicle minimum spacing, just
Begin the reaction moment, deceleration and the deceleration change rate that subtract/accelerate.
8. real time position shares the analogy method of intelligent collision warning between No-shell culture conflict vehicle according to claim 1,
It is characterized in that, described according to the initial data, use effect of intelligent collision warning function described in comparative analysis, and compare
Analyze the intelligent collision warning function under the different line of sight conditions in intersection further includes to the action and efficacy difference of driver：
On the basis of calculating is extracted and counted to initial data, the parameter based on the traffic efficiency and the peace
The parameter of full property：
Analysis is compared under the good intersection environment of line of sight conditions, using before and after the intelligent collision warning function in traffic efficiency and
Difference of both safety；
Analysis is compared under the undesirable intersection environment of line of sight conditions, using before and after the intelligent collision warning function in traffic efficiency and
Difference of both safety；
Analysis is compared under the conditions of different sight distance of intersection, poor to the action and efficacy of driver using the intelligent collision warning function
It is different.
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