CN103000035B - Information acquisition release system and method for guiding left-hand turning vehicle to pass through intersection - Google Patents
Information acquisition release system and method for guiding left-hand turning vehicle to pass through intersection Download PDFInfo
- Publication number
- CN103000035B CN103000035B CN201210479949.5A CN201210479949A CN103000035B CN 103000035 B CN103000035 B CN 103000035B CN 201210479949 A CN201210479949 A CN 201210479949A CN 103000035 B CN103000035 B CN 103000035B
- Authority
- CN
- China
- Prior art keywords
- vehicle
- sensor
- vehicles
- information
- display device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Traffic Control Systems (AREA)
Abstract
The invention provides an information acquisition release system and a method for guiding a left-hand turning vehicle to pass through an intersection. The system comprises a central control unit, a first sensor, a second sensor and a display device, the central control unit is respectively connected with the first sensor, the second sensor and the display device and used for processing traffic information, the first sensor is located at a T*V distance position of an opposite through lane stop line and used for acquiring entry time point and driving speed of a straight driving vehicle which enters into the intersection, the T represents an absolutely safe vehicle clearance, the V represents a design speed of the road where the vehicles drive, the second sensor is located at a position of the opposite through lane stop line and used for detecting straight driving vehicles which pull out, and the display device is used for displaying opposite through lane vehicle information. By means of the system and the method, suggestion information is provided for the left-hand turning vehicle to determine the left-hand turning, a left-hand turning driver can be aided in determining vehicle clearances of the straight driving vehicles, the traffic capacity of the intersection is improved, and dangerous conflicts between the left-hand turning vehicle and the straight driving vehicles are reduced.
Description
Technical field
The present invention relates to transport information and obtain processing technology field, acquisition of information delivery system and method particularly for guiding left turning vehicle to pass through crossing in a kind of highway communication.
Background technology
In the signal control method of existing signalized intersections, when within a signal period, the left-hand rotation standard vehicle in some directions is no more than 4, left-hand rotation dedicated phase is not set up separately to the left turning vehicle in this direction, left turning vehicle and subtend through vehicles share a phase place, left turning vehicle needs to walk in the vehicle clearance of subtend through vehicles, whether left-hand rotation driver walks the judgement depended on completely vehicle clearance, the quality of judgment accuracy directly has influence on traffic safety, according to the road traffic specification of the U.S., be only safe apart from reaching more than 5.5s time between through vehicles, be called and can insert workshop gap, when left-hand rotation driver underestimates true time headway, can select to continue to wait for, waste the chance of walking, reduce intersection efficiency, when left-hand rotation driver has over-evaluated true time headway, driver may attempt to walk, but real vehicles gap cannot meet vehicle to be walked, then very easily generation through vehicles and left turning vehicle bump against, and because left turning vehicle is likely vertical with the direct of travel of through vehicles, the probability occurring to bump against side is larger, and the severity of injuries of side accidents is high, and injury is large.Especially when sight distance of intersection is bad, more easily cause incorrect judgement, such as mountain area, greasy weather, snow sky etc. all can cause sighting distance bad.By studied in the past find due to the error in judgement can inserting workshop gap cause about 30% left-hand bend accident (Chovan et al., 1994), and Staplin (1995) and Yan Xuedong (2007) research learns that the elderly is due to reduced vision, react slack-off, more easily produce error in judgement.In addition, in left-hand bend accident, the bad accident for main cause of sighting distance accounts for 24.4%, sighting distance is bad also may be caused car of turning left, the state of left-hand rotation is waited for owing to being in car of turning left to stagnate, driver can be disturbed to observe subtend straightgoing vehicle, especially when the central empty band of crossing is too large (Yan and Radwan, 2004and 2007).Left-hand bend Frequent Accidents and severity of injuries is high, not only constrains intersection capacity, also proposes huge challenge to traffic safety, the security of the lives and property of harm driver.Therefore, how to help left turning vehicle to judge workshop gap can be inserted, for left turning vehicle prompting of submitting necessary information becomes a great problem.
Summary of the invention
(1) technical matters to be solved
The invention provides a kind of left turning vehicle that guides by the acquisition of information delivery system of crossing and method, helped left turning vehicle to the judgement can inserting workshop gap, for left turning vehicle provides necessary information prompting.
(2) technical scheme
The invention provides a kind of left turning vehicle that guides by the acquisition of information delivery system of crossing, this system comprises: central controller, first sensor, the second sensor and display device:
Described central controller is connected with first sensor, the second sensor and display device respectively, for the treatment of the work of vehicular traffic information and each ingredient of control system;
Described first sensor is positioned at subtend Through Lane stop line T*V distance, for obtaining entry time point and the speed of operation of the through vehicles entering crossing; Wherein T is the vehicle clearance that is perfectly safe, and described T is greater than can insert workshop gap; V is the design speed of affiliated road;
Described second sensor is positioned at subtend Through Lane stop line place, for detecting the through vehicles rolled away from;
Described display device, for showing subtend Through Lane information of vehicles.
Preferably, this system also comprises the 3rd sensor, and described 3rd sensor is connected with central controller, is positioned at left turn lane stop line predeterminable range place, for detecting whether there is left turning vehicle.
Preferably, described 3rd sensor is inductive coil.
Preferably, described first sensor is two inductive coils, and the second sensor is inductive coil, and display device is variable information traffic sign.
Preferably, the subtend Through Lane information of vehicles of described variable information traffic sign display comprises: the text prompt information of top, middle changeable colour vehicle, and the vehicle speed of below.
Preferably, described changeable colour vehicle shows red sudden strain of a muscle, and no through traffic to represent left turning vehicle, and vehicle display is yellow dodges, and represents that suggestion left turning vehicle carefully passes through.
Preferably, described T=5.5+1.96* σ, σ are the standard deviation of normal distribution.
Preferably, the span of described σ is [1,2].
Present invention also offers a kind of left turning vehicle that guides by the acquisition of information dissemination method of crossing, the method comprises:
S1, first sensor obtain the entry time point and the speed of operation that enter the through vehicles of crossing, and information is sent to controller;
The through vehicles entering crossing is given numbering by S2, central controller in order, controls the speed of a motor vehicle that display device shows first representative vehicle of numbering; The adjacent through vehicles entry time point of numbering is subtracted each other simultaneously and obtain the vehicle time interval, and judge whether the vehicle time interval of the first numbering and the second numbering vehicle is less than the vehicle clearance that is perfectly safe, if, then control display device display left turning vehicle no through traffic information, otherwise, control display device display suggestion left turning vehicle traffic information;
S3, the second sensor detect the vehicle rolling Through Lane away from, the through vehicles numbering zero that central controller will roll away from, no longer participate in infomation detection, and control the information of vehicles that next numbering issued by display device.
Preferably, also comprise the 3rd sensor before described step S1 and detect whether there is left turning vehicle, if there is not left turning vehicle, central controller controls display device display screen is in closed condition, if there is left turning vehicle, central controller controls can the step that is activated of display device display screen.
(3) beneficial effect
The present invention adopts a kind of bad crossing of brand-new sighting distance to utilize variable information traffic mark VMS to guide acquisition of information delivery system and the method for left turning vehicle safety crossing, by sailing the speed of vehicle and the detection of entry time point into craspedodrome, calculate the vehicle clearance between Adjacent vehicles, and provide VMS published method car speed and vehicle clearance information are issued, auxiliary left-hand rotation driver carries out walking to stop to judge, reduce the violent conflict between through vehicles and left turning vehicle, the generation avoided traffic accident, great meaning is had to crossing safety and intersection efficiency.
Accompanying drawing explanation
Fig. 1 is the composition schematic diagram of system provided by the present invention;
Fig. 2 is the schematic diagram that the invention provides system in real road application;
Fig. 3 is the flow chart of steps of method provided by the present invention.
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is described in further details.
The invention provides a kind of left turning vehicle that guides by the acquisition of information delivery system of crossing, as shown in Figure 1, this system comprises: central controller, first sensor, the second sensor and display device:
Described central controller is connected with first sensor, the second sensor and display device respectively, for the treatment of the work of vehicular traffic information and each ingredient of control system;
First sensor distance Through Lane stop line S place, crossing, for obtaining the entry time point and speed of operation that enter crossing through vehicles, distance S is determined by the design speed V of be perfectly safe time T and affiliated road: S=T*V.Due between through vehicles time apart from reaching, can to insert workshop more than gap 5.5s be safe, consider time of driver's reaction, the skill level difference of operation, the vehicle clearance T that is perfectly safe is greater than 5.5s.
Described second sensor is being positioned at subtend Through Lane stop line place, for detecting the vehicle rolling Through Lane away from;
Described display device, for showing subtend Through Lane information of vehicles.
Also comprise the 3rd sensor in this system, described 3rd sensor is connected with central controller, is positioned at left turn lane stop line predeterminable range place, for detecting whether there is left turning vehicle.
Fig. 2 is the schematic diagram of system in real road.Here the 3rd sensor be inductive coil 1, first sensor for two inductive coil 2, second sensor be inductive coil 3, display device is variable information traffic sign;
Inductive coil 1 is positioned at the place of left turning vehicle stop line 5m, and two inductive coil 2 is and crossing Through Lane S distance, and distance S is determined by the design speed V of be perfectly safe time T and affiliated road: S=T*V.Due between through vehicles time apart from reaching, can to insert workshop more than gap 5.5s be safe, consider time of driver's reaction, the skill level difference of operation, the vehicle clearance T that is perfectly safe is greater than 5.5s.
Here suppose that vehicle can obey (5.5, σ by the time of crossing
2) normal distribution, the vehicle driver getting 95% in the present invention can be the vehicle clearance that is perfectly safe by the time of crossing, then be perfectly safe vehicle clearance T=5.5+1.96* σ, σ is the standard deviation of normal distribution, notice and the operative skill of σ and driver have direct relation, suggestion span is [1,2].As, the vehicle clearance that is perfectly safe is 10s, the speed limit of urban road major trunk roads is generally 60km/h, the state that is perfectly safe of left turning vehicle detected, coil 2 needs to reach (10*60/3.6)=166.666m apart from the distance of stop line, be taken as 170m, therefore, subtend straightgoing vehicle flow to into the two inductive coil 2 of upstream, crossing 170m place installation one group.This distance also ensure that the visual range of crossing simultaneously.
An inductive coil 3 is laid, for detecting the through vehicles rolled away from Through Lane stop line place.
Variable information traffic mark VMS, background color is black, and VMS label is made up of three parts, as shown in the VMS in Fig. 1: the text prompt information of top, middle changeable colour vehicle, and the vehicle speed of below.Text prompt information is " sending a car and please note in front ", and prompting left-hand rotation driver notes through vehicles, and text color is red, has larger warning function to driver, and owing to being VMS label, word segment can change according to concrete road and traffic; Changeable colour vehicle has red sudden strain of a muscle and yellow sudden strain of a muscle two states, and red sudden strain of a muscle represents left turning vehicle, and no through traffic, and yellow sudden strain of a muscle represents that suggestion left turning vehicle carefully passes through; After vehicle speed shows stop line all the time, the speed of a motor vehicle (unit be kilometer per hour) of first car, directly shows in digital form, and auxiliary left-hand rotation driver judges.
As shown in Figure 3, for guiding left turning vehicle of the present invention is by the acquisition of information dissemination method of crossing, the method comprises:
S1, first sensor obtain the entry time point and the speed of operation that enter the through vehicles of crossing, and information is sent to controller;
The through vehicles entering crossing is given numbering by S2, central controller in order, controls the speed of a motor vehicle that display device shows first representative vehicle of numbering; The adjacent through vehicles entry time point of numbering is subtracted each other simultaneously and obtain the vehicle time interval, and judge whether the vehicle time interval of the first numbering and the second numbering vehicle is less than the vehicle clearance that is perfectly safe, if, then controlling changeable colour vehicles identifications in display device is red sudden strain of a muscle state, no through traffic to represent left turning vehicle, otherwise controlling changeable colour vehicles identifications in display device is yellow sudden strain of a muscle state, represent that suggestion left turning vehicle passes through;
S3, the second sensor detect the vehicle rolling Through Lane away from, the through vehicles numbering zero that central controller will roll away from, no longer participate in infomation detection, and control the information of vehicles that next numbering issued by display device.
Based on the real road system shown in Fig. 2, guide left turning vehicle by the acquisition of information dissemination method of crossing:
Whether S1, inductive coil 1 detect exists left turning vehicle, if there is not left turning vehicle, central controller controls show label display screen is in closed condition, if there is left turning vehicle, central controller controls can be activated by show label display screen;
S2, two inductive coil 2 obtain the entry time point and the speed of operation that enter the through vehicles of crossing, and information is sent to controller;
The through vehicles entering crossing is given numbering by S3, central controller in order, controls the speed of a motor vehicle that display device shows first representative vehicle of numbering; The adjacent through vehicles entry time point of numbering is subtracted each other simultaneously and obtain the vehicle time interval, and judge whether the vehicle time interval of the first numbering and the second numbering vehicle is less than the vehicle clearance that is perfectly safe, if, then control variable information traffic sign display left turning vehicle no through traffic information, otherwise, control variable information traffic sign display suggestion left turning vehicle traffic information;
S4, sensor coil 3 detect the vehicle rolling Through Lane away from, the through vehicles numbering zero that central controller will roll away from, no longer participate in infomation detection, and control the information of vehicles that variable information traffic sign issues next numbering.
After system brings into operation, when first craspedodrome sails vehicle into through two inductive coil 2, inductive coil can detect information of vehicles, comprise the speed of this vehicle and the moment of process, information is sent to central controller, this car numbering 1 given by central controller, each follow-up vehicle also detects same information of vehicles, and number consecutively, form a car number sequence 1, 2, 3, 4..., until detect that first car is through coil 3, in sequence 1 deletes by controller, afterwards when one is sailed into vehicle through two inductive coil 2, a numbering is increased at sequence end, when an outgoing vehicles is through coil 3, a numbering is deleted in sequence beginning, just define a dynamic vehicle sequence.VMS indicates the display screen medium velocity car speed of first representative vehicle of numbering in display sequence all the time, i.e. the car speed of first car after stop line.
Obtain the entry time point of vehicle at two inductive coil 2 after, after central controller calculates through vehicles gap automatically, calculate the vehicle clearance between the representative vehicle of the first two numbering in vehicle sequence, the i.e. vehicle clearance t of the most forward two cars after stop line, vehicle clearance T compares with being perfectly safe, when t is less than T, changeable colour vehicle in VMS shows red sudden strain of a muscle, no through traffic to represent left turning vehicle, when t is more than or equal to T, the display of changeable colour vehicle is yellow dodges, and represents that suggestion left turning vehicle carefully passes through; After vehicle speed shows stop line all the time, the speed of a motor vehicle (unit be kilometer per hour) of first car, directly shows in digital form, and auxiliary left-hand rotation driver judges.
The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the prerequisite not departing from the technology of the present invention principle; can also make some improvement and replacement, these improve and replace and also should be considered as protection scope of the present invention.
Claims (8)
1. guide left turning vehicle to pass through an acquisition of information delivery system for crossing, it is characterized in that, this system comprises: central controller, first sensor, the second sensor and display device:
Described central controller is connected with first sensor, the second sensor and display device respectively, for the treatment of the work of vehicular traffic information and each ingredient of control system;
Described first sensor is positioned at subtend Through Lane stop line T*V distance, for obtaining entry time point and the speed of operation of the through vehicles entering crossing; Wherein T is the time of being perfectly safe, and described T is greater than can insert workshop gap; V is the design speed of affiliated road;
Described second sensor is positioned at subtend Through Lane stop line place, for detecting the through vehicles rolled away from;
Described display device, for showing subtend Through Lane information of vehicles;
Described T=5.5+1.96* σ, σ are the standard deviation of normal distribution, and the span of described σ is [1,2];
Described workshop gap of inserting is 5.5 seconds.
2. system as claimed in claim 1, it is characterized in that, this system also comprises the 3rd sensor, and described 3rd sensor is connected with central controller, is positioned at left turn lane stop line predeterminable range place, for detecting whether there is left turning vehicle.
3. system as claimed in claim 2, it is characterized in that, described 3rd sensor is inductive coil.
4. system as claimed in claim 1, is characterized in that, described first sensor is two inductive coils, and the second sensor is inductive coil, and display device is variable information traffic sign.
5. system as claimed in claim 4, is characterized in that, the subtend Through Lane information of vehicles of described variable information traffic sign display comprises: the text prompt information of top, middle changeable colour vehicle, and the vehicle speed of below.
6. system as claimed in claim 5, it is characterized in that, described changeable colour vehicle shows red sudden strain of a muscle, and no through traffic to represent left turning vehicle, and vehicle display is yellow dodges, and represents that suggestion left turning vehicle carefully passes through.
7. guide left turning vehicle to pass through an acquisition of information dissemination method for crossing, it is characterized in that, the method comprises:
S1, first sensor obtain the entry time point and the speed of operation that enter the through vehicles of crossing, and information is sent to controller;
The through vehicles entering crossing is given numbering by S2, central controller in order, controls the speed of a motor vehicle that display device shows first representative vehicle of numbering; The adjacent through vehicles entry time point of numbering is subtracted each other simultaneously and obtain the vehicle time interval, and judge whether the vehicle time interval of the first numbering and the second numbering vehicle is less than the time of being perfectly safe, if, then control display device display left turning vehicle no through traffic information, otherwise, control display device display suggestion left turning vehicle traffic information;
S3, the second sensor detect the vehicle rolling Through Lane away from, the through vehicles numbering zero that central controller will roll away from, no longer participate in infomation detection, and control the information of vehicles that next numbering issued by display device;
The described time of being perfectly safe=5.5+1.96* σ, σ is the standard deviation of normal distribution, and the span of described σ is [1,2].
8. method as claimed in claim 7, it is characterized in that, also comprise the 3rd sensor before described step S1 and detect whether there is left turning vehicle, if there is not left turning vehicle, central controller controls display device display screen is in closed condition, if there is left turning vehicle, the step that central controller controls display device display screen is activated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210479949.5A CN103000035B (en) | 2012-11-22 | 2012-11-22 | Information acquisition release system and method for guiding left-hand turning vehicle to pass through intersection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210479949.5A CN103000035B (en) | 2012-11-22 | 2012-11-22 | Information acquisition release system and method for guiding left-hand turning vehicle to pass through intersection |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103000035A CN103000035A (en) | 2013-03-27 |
| CN103000035B true CN103000035B (en) | 2015-02-25 |
Family
ID=47928550
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210479949.5A Active CN103000035B (en) | 2012-11-22 | 2012-11-22 | Information acquisition release system and method for guiding left-hand turning vehicle to pass through intersection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103000035B (en) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104599514A (en) * | 2015-02-16 | 2015-05-06 | 山西靓彩光电科技有限公司 | Intelligent left turning forbidding system of city traffic |
| CN104882008B (en) * | 2015-06-03 | 2016-05-11 | 东南大学 | Unsignalized intersection vehicle cooperative control method under a kind of car networked environment |
| CN106205163B (en) * | 2016-07-20 | 2019-06-07 | 长安大学 | Mountain-area road-curve sight blind area meeting early warning system based on panoramic shooting technology |
| JP6741360B2 (en) * | 2017-06-02 | 2020-08-19 | 三菱電機株式会社 | Driving support device, driving support system, and driving support method |
| US11312394B2 (en) * | 2017-10-11 | 2022-04-26 | Honda Motor Co., Ltd. | Vehicle control device |
| CN108520628A (en) * | 2018-04-11 | 2018-09-11 | 武汉理工大学 | A kind of system and method avoiding non-mandrel roller T-junction mouth congestion |
| CN108873885B (en) * | 2018-04-25 | 2021-12-10 | 珠海市杰理科技股份有限公司 | Vehicle control method, device and system |
| CN111344649B (en) * | 2018-12-29 | 2024-06-14 | 深圳市大疆创新科技有限公司 | Management method and equipment of unmanned control platform |
| DE102019212263A1 (en) | 2019-08-15 | 2021-02-18 | Volkswagen Aktiengesellschaft | Method for increasing the traffic flow density at a traffic light intersection |
| CN111311906B (en) * | 2020-02-11 | 2021-07-13 | 北京百度网讯科技有限公司 | Intersection distance detection method and device, electronic equipment and storage medium |
| CN113793517B (en) * | 2021-09-16 | 2022-06-28 | 辽宁工程技术大学 | Intelligent vehicle-road cooperative uncontrolled intersection left-turn vehicle passing guiding method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1296603A (en) * | 1998-04-09 | 2001-05-23 | 王培绿 | Method and apparatus for double traffic control |
| CN101329817A (en) * | 2007-06-18 | 2008-12-24 | 陈宏基 | Intelligent signal control method for capturing and sharing traffic information |
| CN101816025A (en) * | 2007-07-30 | 2010-08-25 | 岩本昌造 | Packet traffic control system |
| WO2010128537A1 (en) * | 2009-05-07 | 2010-11-11 | トヨタ自動車株式会社 | Distance detection device and collision judgment device |
| CN102044169A (en) * | 2009-10-23 | 2011-05-04 | 富士重工业株式会社 | Driving support apparatus |
-
2012
- 2012-11-22 CN CN201210479949.5A patent/CN103000035B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1296603A (en) * | 1998-04-09 | 2001-05-23 | 王培绿 | Method and apparatus for double traffic control |
| CN101329817A (en) * | 2007-06-18 | 2008-12-24 | 陈宏基 | Intelligent signal control method for capturing and sharing traffic information |
| CN101816025A (en) * | 2007-07-30 | 2010-08-25 | 岩本昌造 | Packet traffic control system |
| WO2010128537A1 (en) * | 2009-05-07 | 2010-11-11 | トヨタ自動車株式会社 | Distance detection device and collision judgment device |
| CN102044169A (en) * | 2009-10-23 | 2011-05-04 | 富士重工业株式会社 | Driving support apparatus |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103000035A (en) | 2013-03-27 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103000035B (en) | Information acquisition release system and method for guiding left-hand turning vehicle to pass through intersection | |
| EP3509050B1 (en) | Traffic light-based vehicle speed inducing method and system, and vehicle | |
| CN107742432B (en) | Expressway operation speed active early warning system based on vehicle-road cooperation and control method | |
| CN106994969B (en) | A kind of fleet's formation control loop and method | |
| CN103223975B (en) | For make the method for Vehicular turn by means of steering assist system | |
| CN103985261B (en) | Based on method for controlling traffic signal lights and the system of vehicle queue length measuring and calculating | |
| CN105374215A (en) | Highway roadside early warning device | |
| CN207517194U (en) | Highway operating speed active forewarning system based on bus or train route collaboration | |
| CN105160917A (en) | Vehicle and road collaborative information-based signalized intersection vehicle speed guidance system and method | |
| CN104417561A (en) | Context-aware threat response arbitration | |
| CN102542831A (en) | Variable speed-limit control method of expressway based on real-time traffic flow and weather information | |
| CN107564296A (en) | A kind of car speed early warning system based on condition of road surface | |
| CN110544377A (en) | intersection pedestrian collision avoidance method based on vehicle-road cooperation | |
| CN105489023A (en) | Vehicle early-warning system and method at plane intersection without signal control in low visibility condition | |
| CN205177162U (en) | Highway trackside early warning device | |
| CN103192785A (en) | Whole monitoring system for three-dimensional space around vehicle | |
| CN102926337A (en) | Method for setting safe driving prompt marking line on inlet lane at signalized intersection | |
| CN102963298A (en) | Abnormal behavior monitoring method based on sight detection | |
| CN104575047A (en) | System and method for preventing motor vehicle from rushing for green light to block road junction and running red light in reminding mode | |
| CN106218634A (en) | A kind of highway automobile run-off-road judges and early warning system | |
| CN104424805A (en) | Method and control and recording device for the plausibility checking for the wrong-way travel of a motor vehicle | |
| CN104575045A (en) | System and method for automatically prompting motor vehicle passing through speed-reducing way-giving intersection to reduce speed for giving way | |
| CN113470389B (en) | Intelligent traffic control method | |
| CN113870580B (en) | Overspeed detection method and device for truck, truck vehicle and truck system | |
| CN202987117U (en) | Rear-end anti-collision device of vehicle |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |