CN113393682A - Wisdom zebra crossing system based on car networking - Google Patents
Wisdom zebra crossing system based on car networking Download PDFInfo
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- CN113393682A CN113393682A CN202110622194.9A CN202110622194A CN113393682A CN 113393682 A CN113393682 A CN 113393682A CN 202110622194 A CN202110622194 A CN 202110622194A CN 113393682 A CN113393682 A CN 113393682A
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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
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
- E01F13/00—Arrangements for obstructing or restricting traffic, e.g. gates, barricades ; Preventing passage of vehicles of selected category or dimensions
- E01F13/04—Arrangements for obstructing or restricting traffic, e.g. gates, barricades ; Preventing passage of vehicles of selected category or dimensions movable to allow or prevent passage
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
- E01F9/00—Arrangement of road signs or traffic signals; Arrangements for enforcing caution
- E01F9/50—Road surface markings; Kerbs or road edgings, specially adapted for alerting road users
- E01F9/576—Traffic lines
- E01F9/582—Traffic lines illuminated
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- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/005—Traffic control systems for road vehicles including pedestrian guidance indicator
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- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/01—Detecting movement of traffic to be counted or controlled
- G08G1/0104—Measuring and analyzing of parameters relative to traffic conditions
- G08G1/0108—Measuring and analyzing of parameters relative to traffic conditions based on the source of data
- G08G1/0116—Measuring and analyzing of parameters relative to traffic conditions based on the source of data from roadside infrastructure, e.g. beacons
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/30—Services specially adapted for particular environments, situations or purposes
- H04W4/40—Services specially adapted for particular environments, situations or purposes for vehicles, e.g. vehicle-to-pedestrians [V2P]
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- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
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- Civil Engineering (AREA)
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- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Traffic Control Systems (AREA)
Abstract
The invention discloses an intelligent zebra crossing system based on the Internet of vehicles. The pedestrian sensor is arranged near a zebra crossing at the roadside, and is used for identifying pedestrian information and transmitting the information to the zebra crossing control system; the road side communication unit is used for acquiring vehicle information near the zebra crossing and transmitting the vehicle information to the zebra crossing control system; meanwhile, receiving a guide signal to remind a vehicle near the zebra crossing; the zebra crossing control system receives pedestrian information and vehicle information, processes and pre-judges whether a vehicle and a pedestrian collide, further sends a control signal to the zebra crossing control module, and sends a guide signal to the roadside communication unit; and the zebra crossing control module receives the control signal to control the state of the zebra crossing. The system can effectively and adaptively coordinate the pedestrian flow and the driving which need to cross the road, is accompanied with proper reminding and full-time recording, and reduces traffic accidents caused by the inattention of pedestrians.
Description
Technical Field
The invention relates to a traffic control system of an internet of vehicles, in particular to an intelligent zebra crossing system based on the internet of vehicles.
Background
In recent years, zebra crossings become a dangerous area with a lot of traffic accidents, and safety on the zebra crossings arouse heat in various communities. With the development of intelligent traffic, how to better solve the relation between pedestrians and vehicles also becomes a topic of more concern for intelligent driving. According to the statistics of the latest traffic cases, it is not difficult to find that a plurality of disasters which should not happen occur because some motor vehicles do not decelerate or give way to pedestrians when passing through the zebra crossing, wherein accidents caused by the fact that the motor vehicles do not give way according to the regulations account for 90 percent of the total amount. According to the road traffic safety law, when a motor vehicle passes through a zebra crossing, the motor vehicle should be decelerated and stopped for letting the motor vehicle run when a pedestrian is passing. However, some traffic participants have low traffic safety awareness and law awareness, the behavior that the motor vehicles do not give way according to regulations is common, and the problem of contending for roads and robbing for the roads in front of the zebra crossing is prominent. At present, measures such as strict law enforcement, patrol strengthening, snapshot monitoring, motor vehicle strict management, no-giving-permission zebra crossing, pedestrian strict management strengthening and the like are mainly used for solving similar problems in various places, the public security traffic administration further standardizes pedestrian crossing arrangement, perfects mark marking, adds traffic signal lamps and optimizes signal timing, adds secondary street crossing facilities and snapshot facilities, and conditionally adds street crossing overpasses, underground passages and the like. The series of measures has no repeated loss of financial resources and material resources. The intelligent zebra crossing system solves the problem in the intelligent traffic system, people can think according to the overall angle of intelligent traffic, intelligent driving and vehicle-road cooperation equipment are used for forming the intelligent zebra crossing system, based on vehicle networking communication, zebra crossing pedestrians and vehicle approaching relation information are comprehensively processed in real time, the sound and light and two-end railing states of the zebra crossing are modified reasonably in timing, the pedestrians are reminded, meanwhile, early warning or control signals can be provided for intelligent driving vehicle control, capture is achieved at a glance, the accident occurrence is reduced, the time is saved, and the material resource repeated loss is reduced.
Disclosure of Invention
In order to solve the problems in the background art, the invention provides an intelligent zebra crossing system based on the internet of vehicles, which solves the problem of highlighting the safety on the zebra crossing increasingly.
The system specifically implemented by the technical scheme adopted by the invention comprises:
the pedestrian sensor is arranged near the zebra crossing at the road side, realizes the identification of pedestrians waiting at the two sides of the zebra crossing and on the zebra crossing, and transmits the information of the pedestrians to the zebra crossing control system after identifying the information of the pedestrians;
the road side communication unit is used for acquiring vehicle information near the zebra crossing and transmitting the vehicle information to the zebra crossing control system; meanwhile, a guide signal from the zebra crossing control system is received, so that whether the zebra crossing is in a vehicle passable state or not is displayed in real time through operations of sound, light and the like, and an approaching vehicle near the zebra crossing is reminded; the guidance signal includes information on whether the zebra crossing is in a state where the vehicle can pass.
The zebra crossing control system receives pedestrian information from a pedestrian sensor and vehicle information from a roadside communication unit, calculates according to the speed and the current position in the vehicle information to obtain the time when the vehicle reaches the zebra crossing at the current speed, calculates the relationship between the vehicle arrival position and the pedestrian arrival position at the moment when the vehicle arrives at the zebra crossing according to the speed and the current position in the pedestrian information and the time when the vehicle arrives at the zebra crossing in combination with the current speed, and pre-judges whether the vehicle and the pedestrian collide:
if collision occurs and collision exists, sending a collision early warning control signal to the zebra crossing control module, further controlling and modifying the state of the zebra crossing into impassable state, and sending a guide signal to the roadside communication unit;
if collision and collision do not occur, a guiding signal is sent to the roadside communication unit, the roadside communication unit feeds back the guiding signal to the vehicle and sends a vehicle passing signal to the zebra crossing control module, and then the zebra crossing is controlled to be in a passable state;
the pedestrian information specifically comprises the motion state, the speed, the position on the zebra crossing and the like of the pedestrian.
The vehicle information comprises the vehicle type, the vehicle speed, the lane position, the distance to the zebra crossing and the like of the vehicle.
And the zebra crossing control module receives a control signal from the zebra crossing control system so as to control the state of the zebra crossing.
The states of the zebra crossing comprise a lifting rod lifting state, a sound alarm state, a light flashing state and the like near the zebra crossing.
The sensor installed on the roadside is specifically a human image recognition camera fused with infrared perception, collects environmental images near two sides of the zebra crossing, and obtains pedestrian information after the environmental images are recognized and processed.
The zebra crossing control module at least comprises three equipment in different state combinations, and comprises a lifting rod module, a sound alarm module, a light reminding module and the like near the zebra crossing. The lifting rod module, the sound alarm module and the light reminding module are respectively used for lifting rod control, sound alarm control and light flicker control.
The roadside communication unit is connected with an intelligent networking automobile through wireless communication by specifically adopting a 5G high-speed network or special short-range communication (including but not limited to DSRC, LTE-V and 5G-NR), so that the vehicle information near the zebra crossing is acquired.
The system provided by the invention utilizes the cooperation of the Internet of vehicles and roads to control the state of the zebra crossing. When the traffic flow is small, and when the pedestrian is not detected on the zebra crossing and nearby, the zebra crossing can light up the white light, and the pedestrian railings at the two ends are lifted, the voice of' the pedestrian is not current can be broadcasted, and the current state of the zebra crossing is broadcasted through the roadside communication unit. When the traffic flow is big, zebra crossing induction system senses the pedestrian, sends pedestrian's traffic information to peripheral vehicle through vehicle access cooperative equipment, and the suggestion vehicle slows down and lets the line to light the blue light, light the white light when waiting unmanned on the zebra crossing, raise both ends pedestrian's railing, send passable information to peripheral vehicle. The zebra crossing sensing device can be an intelligent camera with pedestrian recognition or a sensor capable of realizing pedestrian detection through infrared sensing and the like. The intelligent road is suitable for the traffic environment, and the vehicle environment with the cooperation of the vehicle and the road is suitable for the traffic environment.
The invention has the beneficial effects that:
the invention effectively solves the accident hidden dangers of blind areas and the like caused by vehicle blockage, such as non-deceleration or non-concentration of pedestrians, zebra crossing robbing and the like when the motor vehicle drives across the zebra crossing, and reduces the occurrence of zebra crossing accidents.
The system can effectively and adaptively coordinate the pedestrian flow and the driving which need to cross the road, is accompanied with proper reminding and full-time recording, and reduces traffic accidents caused by the inattention of pedestrians.
Drawings
Fig. 1 is a block diagram of an intelligent zebra crossing system based on the internet of vehicles.
In the figure: 1. roadside communication unit, 2, zebra stripes control system, 3, zebra stripes lamp area, 4, communication cable, 5, pedestrian sensor, 6, railing, 7, loudspeaker.
Detailed Description
The invention is described in further detail below with reference to the figures and the embodiments.
In the concrete implementation, as shown in fig. 1, the access & exit of zebra stripes both sides is equipped with railing 6, railing 6 is connected to near zebra stripes's lifter module, audible alarm module specifically is the loudspeaker 7 that sets up in zebra stripes both sides, the light reminds the module specifically to be the zebra stripes lamp area 3 that sets up on the zebra stripes, zebra stripes lamp area 3 is the embedded pressure under the road surface zebra stripes, pedestrian sensor 5 adopts to fuse infrared induction pedestrian identification camera, the camera has two to adorn respectively on the pole setting that does not shelter from at zebra stripes both ends, the flexible installation of embedding is gone up on the curbstone at zebra stripes both ends to railing 6 dress, loudspeaker 7 is installed in the pole setting at zebra stripes both ends.
The roadside communication unit 1 and the zebra crossing control system 2 are arranged in a roadside control box together, and the horn 7, the zebra crossing lamp strip 3, the pedestrian sensor 5 and the roadside communication unit 1 at the same position are controlled in the same zebra crossing control system 2 through the communication cable 4.
The pedestrian sensor 5 identifies two ends of the zebra crossing and pedestrians on the zebra crossing, the pedestrians are transmitted to the zebra crossing control system 2 through the communication cable 4, the zebra crossing control system 2 receives vehicle information obtained by the roadside communication unit 1, after fusion judgment, the zebra crossing control system 2 sends control signals to the zebra crossing light strips 3, the railings 6 and the loudspeakers 7 through the communication cable 4 to change and prompt the state of the zebra crossing, and the zebra crossing state is broadcast to surrounding vehicles through the roadside communication unit 1, so that the purpose of coordinating the traffic and stop relationship of the pedestrians and the vehicles is achieved, driving safety is improved, and accidents on the zebra crossing are reduced.
Specific examples are as follows:
for example, infrared sensing fused cameras with pedestrian recognition function are arranged at two ends of a zebra crossing and used for detecting people waiting at the two ends of the zebra crossing and people walking on the zebra crossing, and the cameras, the acousto-optic system of the zebra crossing and the roadside communication unit are connected with the intelligent zebra crossing control system.
When the camera discerned to have the pedestrian on the zebra crossing, control system set up zebra crossing acousto-optic system, and 3 blue lights in zebra crossing lamp area under the line are hidden to the zebra crossing, and the voice broadcast is "the pedestrian can pass safely at present", and control system has pedestrian's information and predicted transit time on the zebra crossing this moment like peripheral vehicle broadcast through the roadside communication unit, and intelligent internet connection car can fuse the processing and carry out vehicle deceleration and braking after receiving the broadcast message.
When the camera does not detect that there is the pedestrian on the zebra crossing and near, control system sets up zebra crossing acousto-optic system, and the lamp area white that the zebra crossing hidden under the line is bright, and the voice broadcast is "pedestrian is current can not pass through", and zebra crossing both ends railing 6 rises, and control system does not have the message that the pedestrian can pass through this zebra crossing this moment like the peripheral vehicle broadcast through roadside communication unit 1, and intelligent internet connection car receives the broadcast message after, need not slow down promptly and lets the line.
When the camera detects that pedestrians wait at two ends of the zebra crossing, the control system fuses information such as the number of vehicles ID near the zebra crossing and the distance transmitted by the roadside communication unit 1:
if the number of IDs is larger than a set value N1 or the distance between the nearest vehicles is smaller than a set value S1, the acousto-optic system is controlled, the light strip hidden under the zebra crossing is white and bright, the voice broadcast is that pedestrians cannot pass at present, the railings 6 at the two ends do not fall, the control system broadcasts a message that no pedestrian can pass at the zebra crossing at the moment like peripheral vehicles through the roadside communication unit 1, and the intelligent internet-connected vehicle does not need to slow down to let the vehicle pass after receiving the broadcast message.
If the number of IDs is smaller than a set value N1 and the distance between the nearest vehicles is larger than a set value S2, the acousto-optic system is controlled, the light strip hidden under the zebra crossing is blue and bright, the voice broadcast is 'pedestrians can safely pass through at present', the railings 6 at the two ends land, the control system broadcasts information and predicted passing time of the pedestrians on the zebra crossing at the moment like peripheral vehicles through the roadside communication unit 1, and after receiving the broadcast message, the intelligent internet vehicle can perform fusion processing to decelerate and brake the vehicles.
Therefore, the system can fuse the pedestrian information identified by the roadside sensor and the vehicle information received by the roadside communication unit for fusion processing, modify the state of the zebra crossing according to the fusion result, and feed the current state of the zebra crossing back to the surrounding vehicles through the roadside communication unit.
Claims (4)
1. The utility model provides an wisdom zebra crossing system based on car networking which characterized in that: the method comprises the following steps:
the pedestrian sensor (5) is arranged near the zebra crossing at the roadside, realizes the identification of pedestrians waiting at the two sides of the zebra crossing and on the zebra crossing, and transmits the information of the pedestrians to the zebra crossing control system after identifying the information of the pedestrians;
the road side communication unit (1) is used for acquiring vehicle information near the zebra crossing and transmitting the vehicle information to the zebra crossing control system; meanwhile, a guide signal from the zebra crossing control system is received, so that whether the zebra crossing is in a vehicle passable state or not is displayed in real time through operations of sound, light and the like, and vehicles near the zebra crossing are reminded;
the zebra crossing control system (2) receives pedestrian information from a pedestrian sensor and vehicle information from a roadside communication unit, calculates according to the speed and the current position in the vehicle information to obtain the time when the vehicle reaches the zebra crossing at the current speed, calculates the relationship between the vehicle arrival position and the pedestrian arrival position at the moment when the vehicle arrives at the zebra crossing according to the speed and the current position in the pedestrian information and the time when the vehicle arrives at the zebra crossing in combination with the current speed, and pre-judges whether the vehicle and the pedestrian collide:
if collision happens, sending a collision early warning control signal to the zebra crossing control module so as to control and modify the state of the zebra crossing and sending a guide signal to the roadside communication unit;
if the collision does not occur, sending a guide signal to a roadside communication unit, feeding back the guide signal to the vehicle by the roadside communication unit, and sending a vehicle passing signal to the zebra crossing control module so as to control and modify the state of the zebra crossing;
and the zebra crossing control module receives a control signal from the zebra crossing control system so as to control the state of the zebra crossing.
2. The intelligent zebra crossing system based on the internet of vehicles as claimed in claim 1, wherein:
the sensor installed on the roadside is specifically a human image recognition camera fused with infrared perception, collects environmental images near two sides of the zebra crossing, and obtains pedestrian information after the environmental images are recognized and processed.
3. The intelligent zebra crossing system based on the internet of vehicles as claimed in claim 1, wherein:
the zebra crossing control module comprises a lifting rod module, a sound alarm module, a light reminding module and the like which are arranged near the zebra crossing.
4. The intelligent zebra crossing system based on the internet of vehicles as claimed in claim 1, wherein:
the roadside communication unit (1) is specifically connected with an intelligent networking automobile in a wireless communication mode through a 5G high-speed network or special short-range communication mode, and accordingly vehicle information near a zebra crossing is acquired.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110622194.9A CN113393682A (en) | 2021-06-04 | 2021-06-04 | Wisdom zebra crossing system based on car networking |
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| CN202110622194.9A CN113393682A (en) | 2021-06-04 | 2021-06-04 | Wisdom zebra crossing system based on car networking |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114679573A (en) * | 2022-05-27 | 2022-06-28 | 广州市伟粤通讯设备有限公司 | Public safety video monitoring system based on face recognition |
| CN118097987A (en) * | 2024-04-17 | 2024-05-28 | 南京鑫荣汇信息科技有限公司 | Intelligent guiding system and method based on ground zebra stripes luminous bricks |
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Application publication date: 20210914 |