CN110070736A - A kind of drive assistance device and method - Google Patents
A kind of drive assistance device and method Download PDFInfo
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- CN110070736A CN110070736A CN201910420749.4A CN201910420749A CN110070736A CN 110070736 A CN110070736 A CN 110070736A CN 201910420749 A CN201910420749 A CN 201910420749A CN 110070736 A CN110070736 A CN 110070736A
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- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/09—Arrangements for giving variable traffic instructions
Abstract
The invention belongs to intelligent driving fields, disclose a kind of drive assistance device and method, described device includes that routine information processing module (M1), instant messages obtain module (M2), event information processing module (M3) and information projecting cell (1)；Routine information processing module (M1) is suitable for preset conventional display information and renewal time, and is projeced into conventional display information on road by information projecting cell (1) when meeting renewal time；Instant messages obtain module (M2) and are suitable for collecting Real-time Traffic Information；Event information processing module (M3) is suitable for carrying out priority to conventional display information and Real-time Traffic Information integrated ordered, and the information of high priority is preferentially passed through into information projecting cell (1) and is projeced on road, and is attached to or replaces the conventional display information previously projected.The present invention can reduce the overall society cost of drive assistance device, improve driving assistance information utilization rate, travel safety and driving efficiency.
Description
Technical field
The present invention relates to a kind of drive assistance device and methods, belong to intelligent driving field.
Background technique
Smart city is related to the every aspect in city, wherein traffic as the essential critically important composition in city at
Point, it is also desirable to there is corresponding wisdom traffic solution.Vehicle is one of most important element in traffic components, in recent years, V2X
(vehicle and extraneous information exchange, Vehicle to X) concept is risen, and is the key technology of the following intelligent transport system, it
So that vehicle can be communicated with vehicle, vehicle between base station, base station and base station, real-time road, road information and pedestrian's letter are obtained with this
A series of traffic informations such as breath improve drive safety, reduce congestion and improve numerous advantages such as traffic efficiency to have.
It is that the relevant information that will be used to assist driving passes through the device of vehicle itself mostly in existing auxiliary driving technology,
Such as HUD (head-up display, Head Up Display), intelligent headlight etc., it is shown in front of this vehicle pilot's line of vision and is assisted
It drives, these auxiliary driving informations mainly include simple traffic signals and traffic real time monitoring information, are only able to satisfy traffic method
Rule follow the requirement of aspect, cannot play the role of improving drive safety, reduce congestion and improving traffic efficiency, function is more
It is single, it is badly in need of realizing V2X by more intelligent traffic information linkage, enables the vehicle to easily obtain all kinds of traffic informations,
To adapt to the growth requirement of wisdom traffic.
Summary of the invention
The object of the present invention is to provide a kind of drive assistance device and method, will be conducive to realize the traffic letter to pass unimpeded safely
Breath carries out the shared of low cost, improves travel safety and driving efficiency.
To achieve the goals above, first aspect present invention provides a kind of drive assistance device, including routine information processing
Module (M1), instant messages obtain module (M2), event information processing module (M3) and information projecting cell (1)；The routine
Message processing module (M1) is suitable for preset conventional display information and renewal time, and when meeting renewal time that the driving is auxiliary
Supplementary information is projeced on road by the information projecting cell (1)；The instant messages obtain module (M2) and are suitable for collecting in fact
When traffic information；The event information processing module (M3) is suitable for carrying out the conventional display information and Real-time Traffic Information excellent
First grade is integrated ordered, and the information of high priority is preferentially projeced on road by the information projecting cell (1), and is added
Extremely or the routine previously projected is replaced to show information.Conventional display information refers to non-burst traffic related information, such as
The presetting driveway travel directions information of early evening peak, speed-limiting messages etc., and the traffic related information that happens suddenly refers to upcoming traffic thing
Therefore the information of prompting etc.Conventional display information and Real-time Traffic Information collectively form driving assistance information, refer to all throw
It is mapped to the information that suggesting effect is played on road surface to driver, the i.e. information of auxiliary driver progress vehicle drive behavior adjustment.
Further, the event information processing module (M3) is before progress priority is integrated ordered to the real-time traffic
Information is screened.
Further, the routine information processing module (M1) include information pre-storing unit (4), time setting unit and
Information switch unit；The information pre-storing unit (4) is used for the preset conventional display information, the time setting unit
In default renewal time, the information switch unit is for monitoring the renewal time, so as to when meeting the renewal time
Make the updated conventional display information of information projecting cell (1) projection.
Further, it includes V2X information collection unit, road real-time photography unit that the instant messages, which obtain module (M2),
(2) and urban transportation data collection module；The V2X information collection unit is used to collect the interconnection information of vehicle, the road
Real-time photography unit (2) is for collecting real-time road data, and the urban transportation data collection module is for collecting urban transportation
The information of facility.
Further, the event information processing module (M3) includes information process unit (3) and control unit (5)；Institute
Information process unit (3) are stated for screening to the Real-time Traffic Information, Real-time Traffic Information after screening and it is described often
Rule display information forms event information, assigns different priority to each event information, the event of different priorities is believed
Breath is sent to described control unit (5) after sorting from high to low according to priority；Described control unit (5) is used for highest is preferential
The event information of grade is sent to the information projecting cell (1) and is projected.
Further, the conventional display information includes speed restricted information, the mark information that allows to turn around, no turns mark
Remember information, lane line mark information, driveway travel directions information and traffic accident prompting message.
Further, the vehicle interconnection information that the V2X information collection unit is collected includes the type of vehicle, traveling purpose
Ground, vehicle condition, car speed and vehicle driving trace.
Further, the real-time road data that the road real-time photography unit (2) is collected include vehicle flowrate, pavement behavior
And state of weather.
Further, the urban transportation facility information that the urban transportation data collection module is collected includes road-map letter
Breath, frastructure state information, traffic accident information and traffic rule information.
Further, the information projecting cell (1) is any in DLP projector, LCD projector and LED projection machine
Kind.
Further, the information projecting cell (1) is mounted on traffic signal lamp support or street lamp bracket, projection area
Domain covers half range road surface.
Second aspect of the present invention provides a kind of driving assistance method, including projection is suitable for updating at preset timed intervals on road surface
Conventional display information；Collect Real-time Traffic Information；The conventional display information and Real-time Traffic Information form event information, right
Each event information assigns different priority, and the event information of different priorities is arranged from high to low according to priority
Sequence；The event information of highest priority is projected on road surface, and the event information of the highest priority is additional to previous throwing
In the conventional display information penetrated or the routine previously projected is replaced to show information.
Further, the conventional display information includes speed restricted information, the mark information that allows to turn around, no turns mark
Remember information, lane line mark information, driveway travel directions information and traffic accident prompting message.
Further, the Real-time Traffic Information includes vehicle interconnection information, real-time road data and urban transportation facility
Information；Wherein, the vehicle interconnection information includes the type of vehicle, traveling destination, vehicle condition, car speed and vehicle
Driving trace；The real-time road data include vehicle flowrate, pavement behavior and state of weather；The urban transportation facility packet
Include road map information, frastructure state information, traffic accident information and traffic rule information.
Above-mentioned technical proposal through the invention, (1) can be such that the overall society cost of city driving auxiliary device substantially reduces.
Because current technology scheme is all that will be used to that the related information display apparatus driven to be assisted to be set to vehicle individual mostly, such as
Based on HUD, intelligent headlight etc., driving information is assisted to be shown in front of this vehicle pilot's line of vision, and the present invention will be used to assist driving
The relevant information sailed is projeced on the key road in city, is shared rate height, is provided the function of driving assistance information from for driver
From the point of view of energy angle, the overall society cost of this technical solution is lower；
(2) utilization rate of driving assistance information is high.Because of the pass that will be used to that the relevant information driven to be assisted to be shown in city
On keyway road, this information be it is common, utilization rate must be relatively high；
(3) travel safety is improved.By mobile phone V2X and traffic condition real time information etc., the phase that will be used to assist driving
It closes information to project in time on the road surface that driver's eyes can be paid close attention to always, making driver, transformation drives as the case may be in time
Strategy is conducive to improve vehicle safety；
(4) it drives a vehicle high-efficient.The present invention can realize the dynamic speed limit of road by the method for information projection, i.e., according to tool
The case where body traffic flow, realizes speed-limiting messages variation；Alternatively, the side of lane line and the driveway travel directions label by projection
Method realizes the transformation in tide lane；Alternatively, reminding the traffic accident information in front of driver in time, it is made to detour in advance in time
And row, etc..These means both contribute to improve traffic congestion, improve the driving efficiency of road.
The other feature and advantage of the embodiment of the present invention will the following detailed description will be given in the detailed implementation section.
Detailed description of the invention
Attached drawing is to further understand for providing to the embodiment of the present invention, and constitute part of specification, under
The specific embodiment in face is used to explain the present invention embodiment together, but does not constitute the limitation to the embodiment of the present invention.Attached
In figure:
Fig. 1 is the functional block diagram of one embodiment of apparatus of the present invention；
Fig. 2 is the functional block diagram of another embodiment of apparatus of the present invention；
Fig. 3 is the flow chart of one embodiment of the method for the present invention；
Fig. 4 is the flow chart of another embodiment of the method for the present invention；
Fig. 5 is the pavement usage state diagram of one embodiment of apparatus of the present invention；
Fig. 6 be one embodiment of the method for the present invention in allow to turn around mark information road surface projection schematic diagram；
Fig. 7 be in one embodiment of the method for the present invention no turns mark information in the projection schematic diagram on road surface；
Projection schematic diagram of the Fig. 8 for the first speed-limiting messages in one embodiment of the method for the present invention on road surface；
Projection schematic diagram of the Fig. 9 for second of speed-limiting messages in one embodiment of the method for the present invention on road surface；
Projection schematic diagram of the Figure 10 for traffic accident information in one embodiment of the method for the present invention on road surface；
Figure 11 is one embodiment middle rolling car bearing mark information of the method for the present invention and pedestrian's zebra stripes mark information on road surface
Projection schematic diagram.
Specific embodiment
It is described in detail below in conjunction with specific embodiment of the attached drawing to the embodiment of the present invention.It should be understood that this
Locate described specific embodiment and be merely to illustrate and explain the present invention embodiment, is not intended to restrict the invention embodiment.
As shown in Figure 1, in one embodiment of drive assistance device of the present invention, including routine information processing module M1,
Instant messages obtain module M2, event information processing module M3 and information projecting cell 1；The routine information processing module M1 is suitable
The conventional display information is passed through into the information in preset conventional display information and renewal time, and when meeting renewal time
Projecting cell 1 is projeced on road；The instant messages obtain module M2 and are suitable for collecting Real-time Traffic Information；The event information
It is integrated ordered that processing module M3 is suitable for carrying out the conventional display information and Real-time Traffic Information priority, and by high priority
Information be preferentially projeced on road by the information projecting cell 1, and be attached to or replace the routine previously projected
Show information.Preferably, event information processing module M3 carry out priority it is integrated ordered before to the Real-time Traffic Information into
Row screening.Screening criteria is whether Real-time Traffic Information is the information for influencing traffic safety, if no, then excludes.It influences to hand over
The information for leading to safety includes caused by traffic accident information, the road equipment condition information for not influencing driving safety temporarily, weather
Road surface deleterious situation information and magnitude of traffic flow change information.On filtering algorithm, certain weight is set to each Real-time Traffic Information
Degree value is wanted, and different degree threshold value is set, is more than screening for different degree threshold value by the different degree numerical value of Real-time Traffic Information,
What is be no more than then excludes.
As shown in Fig. 2, routine information processing module M1 includes letter in one embodiment of drive assistance device of the present invention
Cease pre-storing unit 4, time setting unit and information switch unit；The information pre-storing unit 4 is used for the preset routine
Show information, the time setting unit is for presetting renewal time, and the information switch unit is for when monitoring the update
Between, to make the information projecting cell 1 project the updated conventional display information when meeting the renewal time.I.e.
When data obtaining module M2 include V2X information collection unit, road real-time photography unit 2 and urban transportation data collection module；
The V2X information collection unit is used to collect the interconnection information of vehicle, and the road real-time photography unit 2 is for collecting real-time road
Condition data, the urban transportation data collection module are used to collect the information of urban transportation facility.Event information processing module M3
Including information process unit 3 and control unit 5；The information process unit 3 is used to screen the Real-time Traffic Information,
Real-time Traffic Information and the conventional display information after screening form event information, assign to each event information different
Priority is sent to described control unit 5 after the event information of different priorities sorts from high to low according to priority；It is described
Control unit 5 is projected for the event information of highest priority to be sent to the information projecting cell 1.
V2X means Vehicle to X or vehicle to everything, i.e., vehicle is to extraneous information exchange.Che Lian
Netcom crosses integrated global positioning system (GPS) airmanship, vehicle-to-vehicle alternating-current technique, wireless communication and long-range induction technology and establishes
New automotive technology development direction.V2X is the key technology of the following intelligent transport system, it make vehicle and vehicle, vehicle with
It can be communicated between base station, base station and base station, to obtain a series of traffic letters such as real-time road, road information, pedestrian information
Breath, improve drive safety, reduce congestion, improve traffic efficiency, and car entertainment information can be provided etc..V2X technology makes vehicle
Information networking intercommunication, such as certain vehicle V1 be often plus 95# gasoline SUV, his traveling destination is A, vehicle fuel quantity
Insufficient, 30km domestic demand is refueled, at present average vehicle speed 80km/h, and vehicle navigation route is route x, these data are conducive to locate
Reason, prediction road occupation situation, gas station are lined up situation etc., and the information of General Influence to traffic safety can project road
On face, to other road users with safety instruction, for example, certain vehicle V2 is travelled in x route with the above-mentioned vehicle V1 same period
On, it is located in front of V1, but vehicle V2 tire pressure is unstable, failure of even braking, at this moment V2 need to stop in time and solve failure, but road is thrown
Shadow is given to the front vehicles prompt information such as V1: the faulty vehicle in front please detour.Or the large size on some period road
There are many lorry, for the security consideration to trolley, it can also be prompted to convert route in road surface upslide shadow relevant information.
In one embodiment of drive assistance device of the present invention, the information that V2X information collection unit is collected includes vehicle
Type, traveling destination, vehicle condition, car speed and vehicle driving trace；The letter that road real-time photography unit 2 is collected
Breath includes vehicle flowrate, pavement behavior and state of weather；The information that urban traffic information data collection module is collected includes road
Figure information, frastructure state information, traffic accident information and traffic rule information etc..
As shown in figure 5, information projecting cell 1 is arranged in lane in one embodiment of drive assistance device of the present invention
On the bracket 6 of top, bracket 6 can be traffic signal lamp support, street lamp bracket or other independent mounting rods, institute in Fig. 5
The bracket 6 shown is street lamp bracket, and bracket 6 shown in Fig. 6 is traffic signal lamp support.Information projecting cell 1 is on the frame 6
Specific installation site should ensure that its projected area covers half range road surface, with can be by information projection to unidirectional any lane, this
Projection information can be covered on two-way full lane as long as being respectively provided with information projecting cell 1 above two-way lane by sample, auxiliary
Two-way traffic vehicle carries out safe driving.It should be pointed out that the quantity for the information projecting cell 1 installed above unidirectional lane can
Think multiple, each collaborative work of information projecting cell 1, to cover wider road surface.In Fig. 5, information process unit 3 is by event
Data after information processing pass to control unit 5 by wired or wireless mode, and control unit 5 is according to information process unit
The data of 3 output data combining information pre-storing unit 4 determine whether to what more new information projecting cell 1 was projected to road surface
Driving assistance information prompts driver to be converted according to instant event information if it is, event information update is projected to road surface
Driving behavior, if it is not, then being changed without the preset driving assistance information that information projecting cell 1 is projected to road surface.In Fig. 5, dotted line
Circle 101 refers to the information view field of information projecting cell 1, and vehicle 701,702 is the vehicle of projection information to be read, i.e., does not see also
To the vehicle of road surface projection information, travelled to view field；Vehicle 801,802 is the vehicle for having read projection information, i.e.,
See the vehicle of road surface projection information, crosses view field by the instruction of projection information.
In general, the information projecting cell 1 being set to above road projects preset conventional display information to road surface.Such as routine
When the time meeting preset renewal time, preset conventional display information changes message processing module M1, then information projects
Updated conventional display information is shown to road surface projection in unit 1；When being unsatisfactory for preset renewal time such as the time, do not make
It updates, maintains former conventional display information display output.
In one embodiment of drive assistance device of the present invention, information projecting cell 1 selects DLP (Digital Light
Processing, optical digital computing) projector, the core component of DLP projector is DMD (Digital Micromirror
Device, digital micro-mirror), achieve the purpose that show image by the unlatching and deflection that control eyeglass.DLP have high reliablity,
The advantages that high resolution, display effect are good, from the technical point of view, DLP projector mainly has, primary contrast is high, machine is small
Type, optical path use closed three big features.Dmd chip is using mechanical working method, and the mobile controllability of eyeglass is more
Height, primary contrast is within the consideration compared with higher position.DLP projector realizes high aperture more using reflective principle
Simply, relative to the product of comparable configuration, DLP light path system is smaller, and machine can of course be accomplished smaller.In addition, dmd chip is adopted
It is semiconductor structure, even if working at high temperature, eyeglass is also not susceptible to too big deformation, and DLP projector is using envelope
Enclosed optical path reduces dust and enters probability, and good in optical property, service life is high, is very suitable to dusty severe road
Condition.
In one embodiment of drive assistance device of the present invention, LCD (Liquid is may be selected in information projecting cell 1
Crystal Display, liquid crystal display) projector, it can be used for the projection of the information such as figure.LCD projector dynamic updates speed
Degree is faster than DLP projector, and price ratio DLP is low, the occasion for frequent changes information.
In one embodiment of drive assistance device of the present invention, LED (Light is may be selected in information projecting cell 1
Emitting Diode, light emitting diode) projector, LED is a kind of solid state semiconductor devices, it can be directly electrotransformation
For light, LED projection machine is a kind of on-off by different diodes in control LED array to project the display side of different information
Formula can be used to show the various information such as text, figure, image, animation, market, video, video signal.
As shown in figure 3, in one embodiment of driving assistance method of the present invention, including step S101 is projected on road surface
Suitable for the conventional display information updated at preset timed intervals；Step S102 collects Real-time Traffic Information；It is routinely shown described in step S103
Show information and Real-time Traffic Information composition event information, assigns different priority to each event information, it will be different preferential
The event information of grade is ranked up from high to low according to priority；The event information of highest priority is projected road by step S104
On face, and the event information of the highest priority is additional in the conventional display information previously projected.The standard of sequence
It is the different degree of event information, wherein accident class highest priority, sequence are as follows: traffic accident information > does not influence traveling peace temporarily
Deleterious situation information > magnitude of traffic flow change information in road surface caused by full road equipment condition information > weather.It is being ranked up
Preceding also to screen to the Real-time Traffic Information, screening criteria is whether Real-time Traffic Information is the letter for influencing traffic safety
Breath, if no, then excludes.The information for influencing traffic safety includes traffic accident information, the road for not influencing driving safety temporarily
Road surface deleterious situation information and magnitude of traffic flow change information caused by road facility condition information, weather.On filtering algorithm, to each
Certain different degree numerical value is arranged in Real-time Traffic Information, and different degree threshold value is arranged, by the different degree numerical value of Real-time Traffic Information
More than screening for different degree threshold value, what is be no more than is then excluded.
As shown in figure 4, in one embodiment of driving assistance method of the present invention, including step S201 is projected on road surface
Suitable for the conventional display information updated at preset timed intervals；Step S202 collects Real-time Traffic Information；Driving described in step S203 is auxiliary
Supplementary information and Real-time Traffic Information form event information, assign different priority to each event information, will be different preferential
The event information of grade is ranked up from high to low according to priority；The event information of highest priority is projected road by step S204
On face, and the event information of the highest priority replaces the conventional display information previously projected.
It is conventional to show that information includes speed restricted information, allows in one embodiment of driving assistance method of the present invention
Letter is reminded in turn around mark information, no turns mark information, lane line mark information, driveway travel directions information and traffic accident
Breath；Real-time Traffic Information includes vehicle interconnection information, real-time road data and urban transportation facility information, wherein the vehicle
Interconnection information include vehicle type, traveling destination, vehicle condition, car speed and vehicle driving trace；It is described real-time
Road condition data includes vehicle flowrate, pavement behavior and state of weather；The urban transportation facility information includes road map information, base
Infrastructure status information, traffic accident information and traffic rule information.Vehicle flowrate is characterized by current quantity, pavement behavior
It is divided into the types such as normal, maintenance and burst fracture, state of weather is divided into that storm water is serious, greasy weather visibility distance etc., makees
Driver is prompted with road surface project information is contributed to.Road map information can guide route, frastructure state information, traffic
The information such as accident can prompt driver to avoid in time, for example the traffic lights at some crossing are broken, car accident occurs in some crossing
Deng.
In one embodiment of driving assistance method of the present invention, terrain vehicle is projected to road surface by information projecting cell 1
Fast restricted information, the mark information that allows to turn around, no turns mark information, lane line mark information, driveway travel directions information
With traffic accident prompting message.As shown in Figures 6 and 7, when the magnitude of traffic flow is smaller, information projection unit 1 is projected to road surface to be allowed
The label that vehicle turns around, when larger in magnitudes of traffic flow such as early evening peak, information projection unit 1 does not allow vehicle to road surface projection
The label to turn around, turns around to aggravate traffic jam to avoid vehicle.As shown in FIG. 8 and 9, under different traffic conditions, pass through letter
Breath projecting cell 1 projects different speed-limiting messages to road surface, to change the speed-limiting messages of road in real time, so that road traffic is small
When speed limit it is higher than speed limit of vehicle flowrate when big, so that driver is obtained the road immediately in speed-limiting messages at that time, with adaptability
Ground changes its driving behavior, can effectively improve the traffic capacity of road in this way, realizes for different condition of road surface different
Speed limit improves urban transportation gross efficiency.Specifically, as shown in figure 8, when vehicle flowrate is larger, information projecting cell 1 is thrown to road surface
The speed-limiting messages penetrated are 60, represent the speed limit of this section of road as 60km/h, when vehicle flowrate is smaller, by speed-limiting messages rise to as
90km/h shown in Fig. 9.
When in event information including the information of traffic accident, the information as highest priority is shown, with the
Driver on one time alarm road takes corresponding workaround in time, avoids accident again or traffic jam.Event
The basic principle of priority is: the road equipment condition information > weather that traffic accident information > does not influence driving safety temporarily is made
At road surface deleterious situation information > magnitude of traffic flow change information.As shown in Figure 10, at one of driving assistance method of the present invention
In embodiment, if having traffic accident at the second crossing at road ahead 800m, the information by V2X information collection unit or
After road real-time photography unit 2 is collected into, after being handled by event information processing module M3, is preferentially shown, pass through information
Information " front 800m the second crossing traffic accident, please detour " is projeced on road surface by projecting cell 1, reminds later vehicle at the first time
, in order to which it evades accident, which can be improved travel safety, prevent traffic jam.
As shown in figure 11, in one embodiment of driving assistance method of the present invention, by information projecting cell 1 to cross
Four crossings intersected project road travel bearing mark and pedestrian's zebra wire tag respectively, convenient for dynamic according to all directions vehicle flowrate
State adjusts the direction of traffic in different lanes, for example, can when straight traffic flow is big, by turn left label change into straight trip label or
Turn left and straight trip marks, improves traffic efficiency.Pedestrian's zebra wire tag that highlighted projection is formed improves warning effect, promotes row
The safety that people goes across the road.
The optional embodiment of the embodiment of the present invention is described in detail in conjunction with attached drawing above, still, the embodiment of the present invention is simultaneously
The detail being not limited in above embodiment can be to of the invention real in the range of the technology design of the embodiment of the present invention
The technical solution for applying example carries out a variety of simple variants, these simple variants belong to the protection scope of the embodiment of the present invention.
It is further to note that specific technical features described in the above specific embodiments, in not lance
In the case where shield, it can be combined in any appropriate way.In order to avoid unnecessary repetition, the embodiment of the present invention pair
No further explanation will be given for various combinations of possible ways.
In addition, any combination can also be carried out between a variety of different embodiments of the embodiment of the present invention, as long as it is not
The thought of the embodiment of the present invention is violated, equally should be considered as disclosure of that of the embodiment of the present invention.
Claims (14)
1. a kind of drive assistance device, which is characterized in that obtain module including routine information processing module (M1), instant messages
(M2), event information processing module (M3) and information projecting cell (1)；
The routine information processing module (M1) is suitable for preset conventional display information and renewal time, and when meeting renewal time
The conventional display information is projeced on road by the information projecting cell (1)；
The instant messages obtain module (M2) and are suitable for collecting Real-time Traffic Information；
The event information processing module (M3) is suitable for carrying out priority to the conventional display information and Real-time Traffic Information comprehensive
Sequence is closed, and the information of high priority is preferentially projeced on road by the information projecting cell (1), and be attached to or take
The conventional display information that generation had previously projected.
2. drive assistance device according to claim 1, which is characterized in that the event information processing module (M3) into
The Real-time Traffic Information is screened before row major grade is integrated ordered.
3. drive assistance device according to claim 1, which is characterized in that the routine information processing module (M1) includes
Information pre-storing unit (4), time setting unit and information switch unit；The information pre-storing unit (4) is used for preset institute
Conventional display information is stated, for the time setting unit for presetting renewal time, the information switch unit is described for monitoring
It is renewal time, aobvious to make the information projecting cell (1) project the updated routine when meeting the renewal time
Show information.
4. drive assistance device according to claim 1, which is characterized in that the instant messages obtain module (M2) and include
V2X information collection unit, road real-time photography unit (2) and urban transportation data collection module；The V2X information collection unit
For collecting the interconnection information of vehicle, the road real-time photography unit (2) is handed over for collecting real-time road data, the city
Logical data collection module is used to collect the information of urban transportation facility.
5. drive assistance device according to claim 2, which is characterized in that the event information processing module (M3) includes
Information process unit (3) and control unit (5)；The information process unit (3) is for sieving the Real-time Traffic Information
Choosing, Real-time Traffic Information and the conventional display information after screening form event information, assign not to each event information
Same priority, is sent to described control unit after the event information of different priorities is sorted from high to low according to priority
(5)；Described control unit (5) is thrown for the event information of highest priority to be sent to the information projecting cell (1)
It penetrates.
6. drive assistance device according to claim 1, which is characterized in that the conventional display information includes speed limitation
Information, the mark information that allows to turn around, no turns mark information, lane line mark information, driveway travel directions information and traffic
Accident prompting message.
7. drive assistance device according to claim 4, which is characterized in that the vehicle that the V2X information collection unit is collected
Interconnection information include vehicle type, traveling destination, vehicle condition, car speed and vehicle driving trace.
8. drive assistance device according to claim 4, which is characterized in that the road real-time photography unit (2) is collected
Real-time road data include vehicle flowrate, pavement behavior and state of weather.
9. drive assistance device according to claim 4, which is characterized in that the urban transportation data collection module is collected
Urban transportation facility information include road map information, frastructure state information, traffic accident information and traffic rules letter
Breath.
10. drive assistance device according to claim 1, which is characterized in that the information projecting cell (1) is DLP throwing
Any one of shadow machine, LCD projector and LED projection machine.
11. drive assistance device according to claim 1, which is characterized in that the information projecting cell (1) is mounted on friendship
On ventilating signal lamp bracket or street lamp bracket, projected area covers half range road surface.
12. a kind of driving assistance method characterized by comprising
The conventional display information that projection is suitable for updating at preset timed intervals on road surface；
Collect Real-time Traffic Information；
The conventional display information and Real-time Traffic Information form event information, assign to each event information different preferential
Grade, the event information of different priorities is ranked up from high to low according to priority；
The event information of highest priority is projected on road surface, and the event information of the highest priority is additional to previous throwing
In the conventional display information penetrated or the routine previously projected is replaced to show information.
13. driving assistance method according to claim 12, which is characterized in that the conventional display information includes speed limit
Information processed, the mark information that allows to turn around, no turns mark information, lane line mark information, driveway travel directions information and friendship
Interpreter's event prompting message.
14. driving assistance method according to claim 12, which is characterized in that the Real-time Traffic Information includes that vehicle is mutual
Join information, real-time road data and urban transportation facility information；
Wherein, the vehicle interconnection information includes the type of vehicle, traveling destination, vehicle condition, car speed and vehicle
Driving trace；The real-time road data include vehicle flowrate, pavement behavior and state of weather；The urban transportation facility packet
Include road map information, frastructure state information, traffic accident information and traffic rule information.
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| CN111332193A (en) * | 2020-02-28 | 2020-06-26 | 华域视觉科技(上海)有限公司 | Lane-changing auxiliary prompting light illumination system and method and vehicle |
| CN111553996A (en) * | 2020-05-11 | 2020-08-18 | 王永宽 | Intelligent identification and charging system for vehicle with high speed and high identification rate |
| CN112566069A (en) * | 2020-11-27 | 2021-03-26 | 武汉中交交通工程有限责任公司 | Traffic sign pushing method based on cognitive psychology |
| CN112581779A (en) * | 2020-12-08 | 2021-03-30 | 哈尔滨工业大学 | Road dynamic traffic information visual prompting method and system based on laser projection |
| CN113313948A (en) * | 2021-05-31 | 2021-08-27 | 国汽智控(北京)科技有限公司 | Vehicle driving track prompting method and device |
| CN113470393A (en) * | 2021-07-05 | 2021-10-01 | 公安部交通管理科学研究所 | Expressway warning service method and system integrating visual perception and image-text projection |
| CN113870593A (en) * | 2021-09-09 | 2021-12-31 | 华中科技大学 | Road right dynamic distribution method for automatic driving automobile |
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| CN113870593A (en) * | 2021-09-09 | 2021-12-31 | 华中科技大学 | Road right dynamic distribution method for automatic driving automobile |
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Application publication date: 20190730 |