CN106128137B - Urban road traffic intersection in-vehicle traffic information lamp early warning method and system based on Internet of vehicles - Google Patents
Urban road traffic intersection in-vehicle traffic information lamp early warning method and system based on Internet of vehicles Download PDFInfo
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- G—PHYSICS
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- G08G1/00—Traffic control systems for road vehicles
- G08G1/09—Arrangements for giving variable traffic instructions
- G08G1/0962—Arrangements for giving variable traffic instructions having an indicator mounted inside the vehicle, e.g. giving voice messages
- G08G1/09623—Systems involving the acquisition of information from passive traffic signs by means mounted on the vehicle
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Abstract
The invention discloses an in-vehicle traffic information lamp early warning method and system for an urban road traffic intersection based on the internet of vehicles. Meanwhile, the installation position of the wireless transmitting terminal is combined, so that the distance measurement is more accurate. And when the current states of the vehicles are red light and green light and whether vehicles exist in front or not are comprehensively considered, early warning information is provided for the current vehicles, so that the current vehicles can safely and quickly pass through the intersection. The system comprises a traffic information acquisition and transmission module, a vehicle-mounted wireless transceiver module, a self-vehicle information acquisition module, a lane detection module, a vehicle-mounted display module, an audible and visual alarm module, a power supply module and a data processing module; the whole system is simple in structure and convenient to use, and the judgment and early warning information is accurately sent out to the vehicle owner in advance by combining the proposed algorithm.
Description
Technical field
The invention belongs to field of traffic control, in particular to a kind of urban highway traffic crossing car based on car networking is handed over
Logical information lamp method for early warning and system.
Background technique
Now, China's car ownership presents a rapidly rising trend, and consequent is traffic congestion, and traffic accident takes place frequently,
Both urban air-quality is influenced, the waste of time and resource is also resulted in.Due to strong sunlight or foggy weather, can not directly see
Examine crossing traffic lamp, if it is possible to design a kind of vehicle mounted traffic lamp display device and effectively driver be helped to understand front cross in advance
The traffic light status of mouth, will can be greatly reduced car accident incidence.
Through the literature search of existing technologies, Chinese Patent Application No. CN105035090 A gives one kind and is based on
The autonomous land vehicle trajectory predictions control method of traffic lights, the program pass through acquisition traffic lights information, optimization prediction
Speed trajectory in distance, makes vehicle pass through intersection.But the program only considered the current situation for green light, together
When calculate front truck whether influence from vehicle by when do not consider to keep safe distance between vehicles with front vehicles that there is certain limitation
Property.
Chinese Patent Application No. CN103996304 A proposes a kind of city level crossing car letter based on bus or train route collaboration
Number instruction system, the instruction system of the invention can be when vehicle drive towards traffic lights, display end real-time display in the car
The information of traffic lights.But the invention is that all information of junction ahead traffic lights are carried out car-mounted display, and non-area
The traffic lights information in lane where separating vehicles.
Urgent need designs a kind of device and driver is helped to understand the traffic lights and vehicle condition of front cross mouth in advance, and passes through
Algorithm help driver to make a policy to be to maintain speed constant or accelerate to pass through or slow down waiting, to avoid vehicle as far as possible
Frequent start-stop reduces exhaust emissions to reduce the fuel consumption rate of automobile.
Summary of the invention
The urban highway traffic crossing car traffic information lamp early warning based on car networking that the object of the present invention is to provide a kind of
Method and system adjust speed according to front road conditions, allow the vehicle to quickly move through intersection, reduce stop frequency,
Fuel consumption rate is reduced, while having both the function of spacing anti-collision early warning.
A kind of urban highway traffic crossing car traffic information method for early warning based on car networking, is arranged traffic on vehicle
Information collection transmitting module, onboard wireless transceiver module, from vehicle information acquisition module, lane detection module, car-mounted display module,
Sound and light alarm module, power supply module and data processing module；
The onboard wireless transceiver module, from vehicle information acquisition module, lane detection module, car-mounted display module, acousto-optic
Alarm module and power supply module are connected with the data processing module；
Communication link is carried out using traffic information collection transmitting module and traffic signal controlling machine and onboard wireless transceiver module
It connects, obtains the traffic signals of concurrent rays mouth in real time；
By being provided with directional aerial on onboard wireless transceiver module, traffic information collection transmitting module and front truck are received
The information that upper vehicle-mounted radio receiving transmitting module is sent；
The onboard wireless transceiver module passes through the speed, acceleration and steering from the acquisition of vehicle information acquisition module from vehicle
Modulating signal；
The lane detection module is for lane markings information where obtaining vehicle；
The data processing unit is according to lane markings information where vehicle, crossing traffic signal and from vehicle and front truck
Travel speed and steering modulating signal, issue from bus or train route mouth warning information.
Front camera is set on vehicle, and the lane detection module is connected with front camera, utilizes preposition camera shooting
The lane markings that head obtains are transmitted to lane detection module.
Lane markings electronic labeling information transmitter is set on lane, using on the onboard wireless transceiver module of vehicle
The lane markings information that the lane markings electronic labeling information transmitter in lane where directional aerial receives issues, and transmitted
To lane detection module.
It is described from bus or train route mouth warning information include Reduced Speed Now can not by, give it the gun by crossing or with present speed
Drive through crossing.
The data processing unit is according to lane markings information where vehicle, crossing traffic signal and from vehicle and front truck
Travel speed and modulating signal is turned to, when issuing from bus or train route mouth warning information, detailed process is as follows:
Road ahead crossroad traffic signal lamp where obtaining vehicle road then enters if green light a), otherwise, into b)；
A) current time, the traffic lights in lane where vehicle are green light
If the directional aerial on onboard wireless transceiver module does not receive front vehicles information, then it represents that nothing in front of current vehicle
2) vehicle otherwise enters into 1)；
1) front is without vehicle
Judge that can vehicle pass through intersection within green light remaining time:
If tL>d1/v1, then the vehicle can pass through intersection with present speed；If tL<d1/v1, then the vehicle cannot with present speed
By intersection, judge that can current vehicle accelerate through the intersection:
If t < tL, then the vehicle passes through crossing with the acceleration of lane Maximum speed limit；
If t > tL, then the vehicle cannot accelerate to pass through, Reduced Speed Now；
Wherein, the time required to t indicates to assume when vehicle present position passes through crossing, t=t1+t2′+t3′+t4；d1For
From the vehicle tailstock to the distance of upcoming traffic lamp, d1=S1+R1, S1To receive terminal to the distance of upcoming traffic lamp from vehicle radio, lead to
It crosses wireless terminal and measures distance, R1For the distance from vehicle radio reception terminal to the tailstock, data are pre-deposited in system；v1For
Vehicle present speed, tLRemaining time, t are shown for green light1For the reaction time of driver, t2' it is accelerator pedal actuation time,
t3' it is acceleration rise time, vxFor junction ahead speed limit, t4It is vehicle with vxThe time of traveling, t1、t2' value is preset,A be from vehicle peak acceleration,
2) there is vehicle in front
If tL>d1/v1And v1≤v2When, then the vehicle can pass through intersection with present speed；
If tL>d1/v1And v1>v2When, judge (v1-v2)tL≤d1-d2Whether-s is true, if so, then the vehicle is with current speed
Degree can pass through intersection；If not, then the vehicle cannot answer Reduced Speed Now by front cross mouth；
If tL<d1/v1And t < tL, judgementIt is
No establishment, if so, then the vehicle can accelerate through front cross mouth；Otherwise, then the vehicle answers Reduced Speed Now；
Wherein, v2For front truck speed, s is two vehicle minimum safe spacings, d2For the front truck tailstock to the distance of upcoming traffic lamp.
B) current time, the traffic lights in lane where vehicle are amber light or red light
If th<dh/v1, then when the vehicle travels arrival junction ahead with current vehicle speed, signal lamp becomes green light, to work as front truck
Speed passes through crossing；
If th>dh/v1, then when the vehicle travels arrival junction ahead with present speed, the unchanged green light of signal lamp, vehicle is still needed to
It waits, vehicle deceleration is travelled to crossing；
Wherein, thThe time that green light needs to wait for, d are converted by current signal lighthFor from vehicle headstock away from upcoming traffic lamp
Distance, dh=Sh-Rh, ShTo receive terminal to the distance of upcoming traffic lamp from vehicle radio, measured by onboard wireless transceiver module
Distance, RhFor the distance from vehicle onboard wireless transceiver module to headstock, data are pre-deposited in system.
The two vehicles minimum safe spacing s is calculated using the following equation acquisition:
Wherein, t2To eliminate brake clearance time, t3For the rise time of braking deceleration, t2、t3Value is preset.
A kind of urban highway traffic crossing car traffic information lamp early warning system based on car networking, which is characterized in that base
In a kind of above-mentioned urban highway traffic crossing car traffic information method for early warning based on car networking, including traffic information collection
Transmitting module, onboard wireless transceiver module, from vehicle information acquisition module, lane detection module, car-mounted display module, sound-light alarm
Module, power supply module and data processing module；
The onboard wireless transceiver module, from vehicle information acquisition module, lane detection module, car-mounted display module, acousto-optic
Alarm module and power supply module are connected with the data processing module；
The traffic information collection transmitting module and traffic signal controlling machine and onboard wireless transceiver module carry out communication link
It connects, obtains the traffic signals of concurrent rays mouth in real time；
It is provided with directional aerial on the onboard wireless transceiver module, receives on traffic information collection transmitting module and front truck
The information that onboard wireless transceiver module is sent；
The onboard wireless transceiver module passes through the speed, acceleration and steering from the acquisition of vehicle information acquisition module from vehicle
Modulating signal；
The lane detection module is for lane markings information where obtaining vehicle；
The data processing unit is according to lane markings information where vehicle, crossing traffic signal and from vehicle and front truck
Travel speed and steering modulating signal, issue from bus or train route mouth warning information.
Beneficial effect
The urban highway traffic crossing car traffic information lamp method for early warning that the present invention provides a kind of based on car networking and
System, extensive use of this method based on wireless transmission terminal, using radio receiving transmitting module ranging, radio receiving terminal installs additional fixed
To antenna, to define read range.In combination with the installation site of wireless transmission terminal, so that ranging is more accurate.It is comprehensive
It closes and considers that current state is red light, green light and front whether there is or not when vehicle, warning information is provided for current vehicle, so that working as front truck
It can safely and fast pass through crossing.The system include traffic information collection transmitting module, onboard wireless transceiver module, from vehicle believe
Cease acquisition module, lane detection module, car-mounted display module, sound and light alarm module, power supply module and data processing module；It is whole
A system structure is simple, easy to use, is accurately that car owner issues judgement and warning information in advance in conjunction with the algorithm proposed.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of system of the present invention；
Fig. 2 is two vehicle of front and back apart from schematic diagram；
Fig. 3 is Ben Che and current belisha beacon apart from schematic diagram；
Fig. 4 is the display schematic diagram of car-mounted display module；
Fig. 5 is the flow diagram of the method for the invention.
Specific embodiment
Below in conjunction with drawings and examples, the present invention is described further.
As shown in Figure 1, a kind of urban highway traffic crossing car traffic information lamp early warning system based on car networking, including
Traffic information collection transmitting module, onboard wireless transceiver module, from vehicle information acquisition module, lane detection module, car-mounted display
Module, sound and light alarm module, power supply module and data processing module；
The onboard wireless transceiver module, from vehicle information acquisition module, lane detection module, car-mounted display module, acousto-optic
Alarm module and power supply module are connected with the data processing module；
The traffic information collection transmitting module and traffic signal controlling machine and onboard wireless transceiver module carry out communication link
It connects, obtains the traffic signals of concurrent rays mouth in real time；
It is provided with directional aerial on the onboard wireless transceiver module, receives on traffic information collection transmitting module and front truck
The information that onboard wireless transceiver module is sent；
The onboard wireless transceiver module passes through the speed, acceleration and steering from the acquisition of vehicle information acquisition module from vehicle
Modulating signal；
The lane detection module is for lane markings information where obtaining vehicle；
The data processing unit is according to lane markings information where vehicle, crossing traffic signal and from vehicle and front truck
Travel speed and steering modulating signal, issue from bus or train route mouth warning information.
The traffic information collection transmitting module includes crossing signals acquisition unit and wireless signal transmitting unit, for adopting
Collect and emit the real time information of the traffic lights, wherein the wireless signal transmitting unit includes directional aerial, and being used for will
The real time information of the collected traffic lights is sent in particular range.
In present embodiment, onboard wireless transceiver module, including radio receiving terminal are installed on the fixation position from vehicle
With wireless transmission terminal, radio receiving terminal installs directional aerial additional, so that before the received information of the terminal is confined to this lane
The traffic lights of square vehicle and front.
The lane detection module is connect with data processing module, the road sign letter in lane where detecting current vehicle
Breath (straight trip turns left, turns right).
The data processing module obtains onboard wireless transceiver module, from vehicle information acquisition module, lane detection module
Data simultaneously make respective handling, with helping driver to make a policy according to preset algorithm.
As illustrated in the flow chart of figure 5, a kind of urban highway traffic crossing pre- police of car traffic information based on car networking
Traffic information collection transmitting module, onboard wireless transceiver module are arranged on vehicle, examines from vehicle information acquisition module, lane for method
Survey module, car-mounted display module, sound and light alarm module, power supply module and data processing module；
The onboard wireless transceiver module, from vehicle information acquisition module, lane detection module, car-mounted display module, acousto-optic
Alarm module and power supply module are connected with the data processing module；
Communication link is carried out using traffic information collection transmitting module and traffic signal controlling machine and onboard wireless transceiver module
It connects, obtains the traffic signals of concurrent rays mouth in real time；
By being provided with directional aerial on onboard wireless transceiver module, traffic information collection transmitting module and front truck are received
The information that upper vehicle-mounted radio receiving transmitting module is sent；
The onboard wireless transceiver module passes through the speed, acceleration and steering from the acquisition of vehicle information acquisition module from vehicle
Modulating signal；
The lane detection module is for lane markings information where obtaining vehicle；
The data processing unit is according to lane markings information where vehicle, crossing traffic signal and from vehicle and front truck
Travel speed and steering modulating signal, issue from bus or train route mouth warning information.
Front camera is set on vehicle, and the lane detection module is connected with front camera, utilizes preposition camera shooting
The lane markings that head obtains are transmitted to lane detection module.
Lane markings electronic labeling information transmitter is set on lane, using on the onboard wireless transceiver module of vehicle
The lane markings information that the lane markings electronic labeling information transmitter in lane where directional aerial receives issues, and transmitted
To lane detection module.
It is described from bus or train route mouth warning information include Reduced Speed Now can not by, give it the gun by crossing or with present speed
Drive through crossing.
The data processing unit is according to lane markings information where vehicle, crossing traffic signal and from vehicle and front truck
Travel speed and modulating signal is turned to, when issuing from bus or train route mouth warning information, detailed process is as follows:
Road ahead crossroad traffic signal lamp where obtaining vehicle road then enters if green light a), otherwise, into b)；
A) current time, the traffic lights in lane where vehicle are green light
If the directional aerial on onboard wireless transceiver module does not receive front vehicles information, then it represents that nothing in front of current vehicle
2) vehicle otherwise enters into 1)；
1) front is without vehicle, as shown in Figure 2；
Judge that can vehicle pass through intersection in green light shows remaining time:
If tL>d1/v1, then the vehicle can pass through intersection with present speed；If tL<d1/v1, then the vehicle cannot with present speed
By intersection, judge that can current vehicle accelerate through the intersection:
If t < tL, then the vehicle passes through crossing with the acceleration of lane Maximum speed limit；
If t > tL, then the vehicle cannot accelerate to pass through, Reduced Speed Now；
Wherein, the time required to t indicates to assume when vehicle present position passes through crossing, t=t1+t2′+t3′+t4；d1For
From the vehicle tailstock to the distance of upcoming traffic lamp, d1=S1+R1, S1To receive terminal to the distance of upcoming traffic lamp from vehicle radio, lead to
It crosses wireless terminal and measures distance, R1For the distance from vehicle radio reception terminal to the tailstock, data are pre-deposited in system；v1For
Vehicle present speed, tLRemaining time, t are shown for green light1For the reaction time of driver, t2' it is accelerator pedal actuation time,
t3' it is acceleration rise time, vxFor junction ahead speed limit, t4It is vehicle with vxThe time of traveling, t1、t2' value is preset,A be from vehicle peak acceleration,
2) there is vehicle in front, as shown in Figure 3；
If tL>d1/v1And v1≤v2When, then the vehicle can pass through intersection with present speed；
If tL>d1/v1And v1>v2When, judge inequality 1:(v1-v2)tL≤d1-d2Whether-s is true, if so, the then vehicle
Intersection can be passed through with present speed；If not, then the vehicle cannot answer Reduced Speed Now by front cross mouth；
If tL<d1/v1And t < tL, judge inequality 2:It is whether true, if so, then the vehicle can accelerate
Pass through front cross mouth；Otherwise, then the vehicle answers Reduced Speed Now；
Wherein, v1For this vehicle speed, v2For front truck speed, s is two vehicle minimum safe spacings, d2For the front truck tailstock to front
The distance of traffic lights；
B) current time, the traffic lights in lane where vehicle are amber light or red light
If th<dh/v1, then when the vehicle travels arrival junction ahead with current vehicle speed, signal lamp becomes green light, to work as front truck
Speed passes through crossing；
If th>dh/v1, then when the vehicle travels arrival junction ahead with present speed, the unchanged green light of signal lamp, vehicle is still needed to
It waits, vehicle deceleration is travelled to crossing；
Wherein, thThe time that green light needs to wait for, d are converted by signal lamphFor from vehicle headstock away from upcoming traffic lamp away from
From dh=Sh-Rh, ShFor from vehicle radio receive terminal to upcoming traffic lamp distance, by onboard wireless transceiver module measure away from
From RhFor the distance from vehicle onboard wireless transceiver module to headstock, data are pre-deposited in system, v1For vehicle present speed.
The two vehicles minimum safe spacing s is calculated using the following equation acquisition:
Wherein, t2To eliminate brake clearance time, t3For the rise time of braking deceleration, t2、t3Value is preset, d1For
From the vehicle tailstock to the distance of upcoming traffic lamp, d1=S1+R1, S1To receive terminal to the distance of upcoming traffic lamp from vehicle radio, lead to
It crosses wireless terminal and measures distance, R1For the distance from vehicle radio reception terminal to the tailstock, data are pre-deposited in system；d2For
Distance of the front truck tailstock to upcoming traffic lamp, d2=S2+R2, S2It is front truck radio receiving terminal to the distance of upcoming traffic lamp, it can
To measure distance, R by wireless terminal2For the distance of front truck radio receiving terminal to the tailstock, data are pre-deposited in system.
The car-mounted display module is connect with data processing module, which shows the collected front of onboard wireless transceiver module
The information of crossing traffic lamp, while the traffic signal light condition information of track direction locating for vehicle being highlighted；It synchronizes aobvious
Show the aid decision that data processing unit is made.The design of vehicle-carrying display screen is as shown in Figure 4.
Any pair of a specific embodiment of the invention is modified or some technical features can be equivalently replaced, without
It is detached from the spirit of technical solution of the present invention, should all be covered in the claimed technical proposal scope of the present invention.
Claims (6)
1. a kind of urban highway traffic crossing car traffic information method for early warning based on car networking, which is characterized in that in vehicle
Upper setting traffic information collection transmitting module, onboard wireless transceiver module, from vehicle information acquisition module, lane detection module, vehicle
Carry display module, sound and light alarm module, power supply module and data processing module；
The onboard wireless transceiver module, from vehicle information acquisition module, lane detection module, car-mounted display module, sound-light alarm
Module and power supply module are connected with the data processing module；
It is communicatively coupled using traffic information collection transmitting module and traffic signal controlling machine and onboard wireless transceiver module, it is real
When obtain the traffic signals of concurrent rays mouth；
By being provided with directional aerial on onboard wireless transceiver module, receives traffic information collection transmitting module and front truck is got on the bus
Carry the information that radio receiving transmitting module is sent；The onboard wireless transceiver module includes radio receiving terminal and wireless transmission terminal；
The onboard wireless transceiver module from the acquisition of vehicle information acquisition module from the speed, acceleration and turn signal of vehicle by believing
Number；
The lane detection module is for lane markings information where obtaining vehicle；
The data processing unit is according to lane markings information, crossing traffic signal and the traveling from vehicle and front truck where vehicle
Speed and steering modulating signal, issue from bus or train route mouth warning information；
The data processing unit is according to lane markings information, crossing traffic signal and the traveling from vehicle and front truck where vehicle
Speed and modulating signal is turned to, when issuing from bus or train route mouth warning information, detailed process is as follows:
Road ahead crossroad traffic signal lamp where obtaining vehicle road then enters if green light a), otherwise, into b)；
A) current time, the traffic lights in lane where vehicle are green light
If the directional aerial on onboard wireless transceiver module does not receive front vehicles information, then it represents that without vehicle in front of current vehicle,
Into 1), otherwise enter 2)；
1) front is without vehicle
Judge that can vehicle pass through intersection in green light shows remaining time:
If tL>d1/v1, then the vehicle can pass through intersection with present speed；If tL<d1/v1, then the vehicle cannot be passed through with present speed
Intersection judges that can current vehicle accelerate through the intersection:
If t < tL, then the vehicle passes through crossing with the acceleration of lane Maximum speed limit；
If t > tL, then the vehicle cannot accelerate to pass through, Reduced Speed Now；
Wherein, the time required to t indicates to assume when vehicle present position passes through crossing, t=t1+t2′+t3′+t4；d1For from vehicle
Distance of the tailstock to upcoming traffic lamp, d1=S1+R1, S1To receive terminal to the distance of upcoming traffic lamp from vehicle radio, pass through nothing
Line terminal measures distance, R1For the distance from vehicle radio reception terminal to the tailstock, data are pre-deposited in system；v1For vehicle
Present speed, tLRemaining time, t are shown for green light1For the reaction time of driver, t2' it is accelerator pedal actuation time, t3' be
Acceleration rise time, vxFor junction ahead speed limit, t4It is vehicle with vxThe time of traveling, t1、t2' value is preset,A be from vehicle peak acceleration,
2) there is vehicle in front
If tL>d1/v1And v1≤v2When, then the vehicle can pass through intersection with present speed；
If tL>d1/v1And v1>v2When, judge (v1-v2)tL≤d1-d2Whether-s is true, if so, then the vehicle is with present speed energy
Pass through intersection；If not, then the vehicle cannot answer Reduced Speed Now by front cross mouth；
If tL<d1/v1And t < tL, judgementWhether at
It is vertical, if so, then the vehicle can accelerate through front cross mouth；Otherwise, then the vehicle answers Reduced Speed Now；
Wherein, v2For front truck speed, s is two vehicle minimum safe spacings, d2For the front truck tailstock to the distance of upcoming traffic lamp；
B) current time, the traffic lights in lane where vehicle are amber light or red light
If th<dh/v1, then when the vehicle travels arrival junction ahead with current vehicle speed, signal lamp becomes green light, logical with current vehicle speed
Cross crossing；
If th>dh/v1, then when the vehicle travels arrival junction ahead with present speed, the unchanged green light of signal lamp, vehicle is still needed to wait for,
Vehicle deceleration is travelled to crossing；
Wherein, thThe time that green light needs to wait for, d are converted by current signal lighthFor from vehicle headstock away from upcoming traffic lamp away from
From dh=Sh-Rh, ShFor from vehicle radio receive terminal to upcoming traffic lamp distance, by onboard wireless transceiver module measure away from
From RhFor the distance from vehicle onboard wireless transceiver module to headstock, data are pre-deposited in system.
2. the method according to claim 1, wherein front camera is arranged on vehicle, the lane detection
Module is connected with front camera, is transmitted to lane detection module using the lane markings that front camera obtains.
3. emitting the method according to claim 1, wherein lane markings electronic labeling information is arranged on lane
Device, the lane markings electronic labeling information in lane is sent out where being received using the directional aerial on the onboard wireless transceiver module of vehicle
The lane markings information that emitter issues, and transmit it to lane detection module.
4. method according to claim 1-3, which is characterized in that described to include deceleration from bus or train route mouth warning information
Traveling can not by, give it the gun through crossing or crossing driven through with present speed.
5. the method according to claim 1, wherein the two vehicles minimum safe spacing s uses following formula meter
It calculates and obtains:
Wherein, t2To eliminate brake clearance time, t3For the rise time of braking deceleration, t2、t3Value is preset.
6. a kind of urban highway traffic crossing car traffic information lamp early warning system based on car networking, which is characterized in that be based on
The described in any item methods of claim 1-5, including traffic information collection transmitting module, onboard wireless transceiver module, from vehicle believe
Cease acquisition module, lane detection module, car-mounted display module, sound and light alarm module, power supply module and data processing module；
The onboard wireless transceiver module, from vehicle information acquisition module, lane detection module, car-mounted display module, sound-light alarm
Module and power supply module are connected with the data processing module；
The traffic information collection transmitting module is communicatively coupled with traffic signal controlling machine and onboard wireless transceiver module, real
When obtain the traffic signals of concurrent rays mouth；
It is provided with directional aerial on the onboard wireless transceiver module, receives vehicle-mounted on traffic information collection transmitting module and front truck
The information that radio receiving transmitting module is sent；
The onboard wireless transceiver module from the acquisition of vehicle information acquisition module from the speed, acceleration and turn signal of vehicle by believing
Number；
The lane detection module is for lane markings information where obtaining vehicle；
The data processing unit is according to lane markings information, crossing traffic signal and the traveling from vehicle and front truck where vehicle
Speed and steering modulating signal, issue from bus or train route mouth warning information.
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| CN201610749894.3A CN106128137B (en) | 2016-08-29 | 2016-08-29 | Urban road traffic intersection in-vehicle traffic information lamp early warning method and system based on Internet of vehicles |
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| CN201610749894.3A CN106128137B (en) | 2016-08-29 | 2016-08-29 | Urban road traffic intersection in-vehicle traffic information lamp early warning method and system based on Internet of vehicles |
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| CN106530785B (en) * | 2016-12-16 | 2019-11-29 | 上海斐讯数据通信技术有限公司 | A kind of navigation reminders method and system |
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