CN111311934A - Timing method of VIP vehicle non-blocking traffic control system - Google Patents
Timing method of VIP vehicle non-blocking traffic control system Download PDFInfo
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- CN111311934A CN111311934A CN202010207303.6A CN202010207303A CN111311934A CN 111311934 A CN111311934 A CN 111311934A CN 202010207303 A CN202010207303 A CN 202010207303A CN 111311934 A CN111311934 A CN 111311934A
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- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/07—Controlling traffic signals
- G08G1/087—Override of traffic control, e.g. by signal transmitted by an emergency vehicle
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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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- 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
- G08G1/0137—Measuring and analyzing of parameters relative to traffic conditions for specific applications
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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
- G08G1/017—Detecting movement of traffic to be counted or controlled identifying vehicles
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Abstract
The invention discloses a timing method of a VIP vehicle non-blocking passage control system, which comprises a cloud platform control center, a road intersection signal lamp controller and a road intersection sensor, and effectively solves the problems of high implementation cost, simplicity, convenience and poor practicability of the VIP vehicle non-blocking passage method. According to the method, the city road network model stored in the cloud platform control center is utilized to plan the starting point and the end point of the VIP vehicle, the traveling route is designed, the road intersection signal lamp controller and the road intersection sensor are remotely and respectively controlled by the cloud platform control center, the non-blocking passing of the VIP vehicle in the traveling route is realized, the road intersection is recovered to be normally passed after the VIP vehicle passes, and the road intersection signal lamp controller and the road intersection sensor which are installed at the road intersection are respectively controlled by the cloud platform control center, so that the problem of high implementation cost is solved, and the simplicity and convenience and practicability are improved.
Description
Technical Field
The invention relates to the technical field of traffic signal control, in particular to a timing method of a VIP vehicle non-blocking traffic control system.
Background
At present, main trunk roads and various road intersections of large, medium and small urban roads in China all realize the coverage of signal lamps and sensors, the signal lamps solve the problem of traffic confusion of the urban roads, signal lamp controllers are installed to realize the control of the signal lamps, the orderly and stable operation of the urban traffic is ensured, the most common traffic signal control mode at present is timing control, a traffic signal controller at the intersection operates according to a preset timing scheme, but the most common control mode causes the problems of low operation efficiency and travel delay of a road network, and the problems of VIP vehicles such as emergency vehicles, emergency vehicles and the like are more prominent. The prior art with the patent number CN 106652499a is a method for implementing a special vehicle priority passing system with an appointment function, by installing a vehicle-mounted terminal and a wireless sending module on a vehicle, a manner of installing a wireless receiving module at a crossing is used for implementing priority passing of emergency vehicles and the like, and the prior art with the patent number CN 106340194a is an emergency vehicle signal priority control method, by performing GPS positioning on emergency vehicles, emptying other vehicles in front of the emergency vehicles through a control method, and implementing priority passing of the emergency vehicles, but both methods have the problem of high implementation cost, and especially, emptying other vehicles in front of the emergency vehicles in the prior art is more difficult to achieve, and the method is not strong in simplicity and practicability.
The present invention therefore provides a new solution to this problem.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a timing method of a non-blocking passage control system of a VIP vehicle, which not only effectively solves the problem of delay of the VIP vehicle in trip, but also solves the problems of high implementation cost, simplicity, convenience and poor practicability.
The technical scheme for solving the problem is as follows:
the invention provides a timing method of a VIP vehicle non-blocking traffic control system, wherein the traffic control system comprises a cloud platform control center, a road intersection signal lamp controller and a road intersection sensor, the cloud platform control center remotely and respectively controls the road intersection signal lamp controller and the road intersection sensor, and the timing method of the traffic control system comprises the following steps:
s1, detecting and identifying VIP vehicles through the road intersection sensor, and uploading the VIP vehicles to the cloud platform control center;
s2, the cloud platform control center controls the intersection signal lamp controller according to the real-time road phase and the VIP phase of the intersection to ensure the non-blocking passing of the VIP vehicle, wherein the phase refers to the traffic flow of one direction of the intersection, and the VIP phase refers to the phase of the VIP vehicle;
and S3, when the road intersection sensor detects that the VIP vehicle completely passes through the intersection, stopping detecting the VIP vehicle and recovering the normal passing of the road intersection.
The invention utilizes an urban road network model stored by a cloud platform control center to plan a starting point and an end point of a VIP vehicle, designs a driving route, utilizes the cloud platform control center to respectively control a road intersection signal lamp controller and a road intersection sensor to realize the non-blocking passing of the VIP vehicle so as to lead the VIP vehicle to pass through the road intersection without blocking, when the VIP vehicle reaches the road intersection, the cloud platform control center adjusts the real-time phase of the road intersection to be consistent with the VIP phase through the road intersection signal lamp controller, detects whether a next road intersection needing to pass is provided, if so, immediately informs the next road intersection signal lamp controller, adopts the step S2 in the timing method of the passing control system to process, realizes the non-blocking passing of the VIP vehicle in the driving route, and restores the normal passing of the road intersection after the VIP vehicle passes, the method realizes the non-blocking passing of the VIP vehicle without interfering other vehicles, realizes the recovery of the passing road intersection, solves the problem of high implementation cost by relying on a method that a cloud platform control center respectively controls a road intersection signal lamp controller and a road intersection sensor which are arranged at the road intersection, and increases the simplicity, convenience and practicability.
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FIG. 1 is a system architecture diagram of the present invention.
Detailed Description
The foregoing and other technical and other features and advantages of the invention will be apparent from the following detailed description of the embodiments, which proceeds with reference to fig. 1. The structural contents mentioned in the following embodiments are all referred to the attached drawings of the specification.
Exemplary embodiments of the present invention will be described below with reference to the accompanying drawings.
A time-setting method of a VIP vehicle non-blocking passage control system utilizes a cloud platform control center to respectively control a road intersection signal lamp controller and a road intersection sensor to realize non-blocking passage of the VIP vehicle, and the time-setting method of the passage control system comprises the following steps:
s1, detecting and identifying VIP vehicles through the road intersection sensor, and uploading the VIP vehicles to the cloud platform control center;
s2, the cloud platform control center controls the intersection signal lamp controller according to the real-time road phase and the VIP phase of the intersection to ensure the non-blocking passing of the VIP vehicle, wherein the phase refers to the traffic flow of one direction of the intersection, and the VIP phase refers to the phase of the VIP vehicle;
s3, when the road intersection sensor detects that the VIP vehicle completely passes through the road intersection, stopping detecting the VIP vehicle and recovering normal passing of the road intersection;
before a road intersection sensor detects and identifies a VIP vehicle, a cloud platform control center is required to examine and approve a request instruction sent by the VIP vehicle, and the method comprises the following steps:
the method comprises the steps that an X1 and a VIP vehicle send request instructions, a cloud platform control center receives the instructions to examine and approve, and obtains VIP vehicle information after the examination and approval is passed, the cloud platform control center sets a departure place, a destination and a route along the way according to the VIP vehicle information, and road intersection information passed by the VIP vehicle is generated according to an urban road network model stored in the cloud platform control center, wherein the VIP vehicle information comprises a license plate number, a vehicle type, a fleet length and a VIP passing execution time period;
x2, judging whether the current time slot is in a VIP passing execution time slot, if so, executing the step X3, otherwise, judging again;
the X3 and the cloud platform control center send the information of the road intersection passed by the VIP vehicle, the information of the VIP vehicle and the phase of the VIP vehicle to all related road intersection signal lamp controllers;
therefore, when the VIP vehicle reaches the intersection, the cloud platform control center respectively controls the intersection signal lamp controller and the intersection sensor to realize non-blocking passing of the VIP vehicle through step S2, and step S2 specifically includes:
k1, positioning the VIP vehicle by a road intersection sensor, and acquiring the VIP vehicle in the current road section and the driving speed v of the VIP vehicle;
k2, when a road intersection sensor identifies a VIP vehicle, the road intersection signal lamp controller respectively judges whether the current phase of the road is on the VIP phase, when the VIP vehicle is not on the VIP phase, the current phase of the road is immediately adjusted on the VIP phase, when the current phase of the road is on the VIP phase, the current phase of the road is not adjusted, if the real-time road phase when the VIP vehicle arrives at the intersection is expected to conflict with the VIP phase, after the previous phase of the signal lamp of the intersection is finished, the intersection signal lamp controller is controlled by the cloud platform to enable the signal lamp to be fully red, the originally corresponding intersection road phase is changed into the VIP phase, if the real-time road phase when the vehicle arrives at the road intersection is expected to be the same as the VIP phase, the phase duration is prolonged according to the time when the VIP vehicle arrives at the road intersection, wherein the phase duration, and the road intersection is named as N;
at this time, the VIP vehicle has already passed through the intersection N, and normal passing at the intersection N is realized through step S3, where step S3 specifically is:
y1, stopping detecting the VIP vehicle when the road intersection sensor detects that the VIP vehicle completely passes through the road intersection N, recovering the passing of the road intersection N according to a dynamic timing method, sending information that the VIP vehicle completely passes through the road intersection N to a cloud platform control center, and naming the time when the VIP vehicle passes through the road intersection N as T1 and storing the time;
y2, after receiving the information that the VIP vehicle completely passes through the intersection N, the cloud platform control center firstly detects whether a next intersection N +1 exists or not, when the existence of the next intersection N +1 is not detected, the VIP passing is ended and the information is sent to the cloud platform control center for displaying, when the existence of the next intersection N +1 is detected, the VIP vehicle is immediately informed of a next intersection N +1 signal lamp controller to be reached, the distance W1 from the intersection N to the intersection N +1 and the predicted travel time T01 are sent to the intersection N +1 signal lamp controller, wherein the predicted travel time T01 is obtained according to the distance W1 and the running speed v of the VIP vehicle, and the name is inferred;
y3, after the cloud platform control center detects that the VIP vehicle completely passes through the information of the intersection N +1 through the intersection sensing, the step S2 is used at the intersection N +1, the time of the VIP vehicle passing through the intersection N +1 is named as T2 to be stored, T2-T1 is the actual travel time of the VIP vehicle from the intersection N to the intersection N +1, the actual travel time T2-T1 is sent to the cloud platform control center to be displayed, and the like;
y4, after the cloud platform control center receives the information that the VIP vehicle has driven through the last intersection, the traffic control system finishes working and sends the information to the cloud platform control center for displaying;
when the cloud platform control center detects that the VIP vehicle does not run according to the planned route, the cloud platform control center forcibly finishes the VIP passing to re-plan the route;
the traffic control system also comprises a road intersection camera, and the time-sharing method searches and identifies VIP vehicles through the road intersection camera;
the sensor is a vehicle-mounted terminal and a wireless transmitting module or a GPS road intersection.
When the VIP vehicle traffic control system is used, a starting point and an end point of the VIP vehicle are planned by using an urban road network model stored in a cloud platform control center, a driving route is designed, the cloud platform control center is used for respectively controlling a road intersection signal lamp controller and a road intersection sensor to realize non-blocking traffic of the VIP vehicle, so that the VIP vehicle can pass through the road intersection without blocking, when the VIP vehicle reaches the road intersection, the cloud platform control center adjusts the real-time phase of the road intersection to be consistent with the VIP phase through the road intersection signal lamp controller, so that the VIP vehicle can pass through the road intersection without blocking, whether the next road intersection to pass is detected, if yes, the next road intersection signal lamp controller is immediately notified, the step S2 in the timing method of the traffic control system is adopted for processing, and non-blocking traffic of the VIP vehicle in the driving route is realized, the invention not only realizes the non-blocking passage of the VIP vehicle, but also realizes the recovery of the passing road intersection, solves the problems of high implementation cost, simplicity and low practicability of the method for the non-blocking passage of the VIP vehicle, is applied to the field of traffic signal control, not only limited to the field of traffic signal control, but also can be used in the field of urban road control, and when the road is about to enter the peak period, the cloud platform control center plans and classifies the departure place, the destination and the driving route of all the vehicles on the road, thereby effectively reducing the congestion.
Claims (7)
1. A time distribution method of a VIP vehicle non-blocking traffic control system is characterized in that the time distribution method of the traffic control system comprises the following steps:
s1, detecting and identifying VIP vehicles through the road intersection sensor, and uploading the VIP vehicles to the cloud platform control center;
s2, the cloud platform control center controls the intersection signal lamp controller according to the real-time road phase and the VIP phase of the intersection to ensure the non-blocking passing of the VIP vehicle, wherein the phase refers to the traffic flow of one direction of the intersection, and the VIP phase refers to the phase of the VIP vehicle;
and S3, when the road intersection sensor detects that the VIP vehicle completely passes through the road intersection, stopping detecting the VIP vehicle and recovering the normal passing of the road intersection.
2. The timing method of the non-blocking traffic control system of the VIP vehicle of claim 1, wherein the step S1 is preceded by the following approval steps:
the method comprises the steps that an X1 and a VIP vehicle send request instructions, a cloud platform control center receives the instructions to examine and approve, and obtains VIP vehicle information after the examination and approval is passed, the cloud platform control center sets a departure place, a destination and a route along the way according to the VIP vehicle information, and road intersection information passed by the VIP vehicle is generated according to an urban road network model stored in the cloud platform control center, wherein the VIP vehicle information comprises a license plate number, a vehicle type, a fleet length and a VIP passing execution time period;
x2, judging whether the current time slot is in a VIP passing execution time slot, if so, executing the step X3, otherwise, judging again;
and the X3 and the cloud platform control center send the information of the road intersection passed by the VIP vehicle, the information of the VIP vehicle and the phase of the VIP vehicle to all involved road intersection signal lamp controllers.
3. The timing method of the non-blocking traffic control system of the VIP vehicle as claimed in claim 1, wherein the step S2 is specifically:
k1, positioning the VIP vehicle by a road intersection sensor, and acquiring the VIP vehicle in the current road section and the driving speed v of the VIP vehicle;
k2, when a road intersection sensor identifies a VIP vehicle, the road intersection signal lamp controller respectively judges whether the current phase of the road is on the VIP phase, when the VIP vehicle is not on the VIP phase, the current phase of the road is immediately adjusted on the VIP phase, when the current phase of the road is on the VIP phase, the current phase of the road is not adjusted, if the real-time road phase when the VIP vehicle arrives at the intersection is expected to conflict with the VIP phase, after the previous phase of the signal lamp of the intersection is finished, the cloud platform control center controls the road intersection signal lamp controller to enable the signal lamp to be fully red, the originally corresponding intersection road phase is changed into the VIP phase, if the real-time road phase when the vehicle arrives at the road intersection is expected to be the same as the VIP phase, the phase duration is prolonged according to the time when the VIP vehicle arrives at the road intersection, and the phase duration is determined, and this intersection is named N.
4. The timing method of the non-blocking traffic control system of the VIP vehicle as claimed in claim 1, wherein the step S3 is specifically:
y1, stopping detecting the VIP vehicle when the road intersection sensor detects that the VIP vehicle completely passes through the road intersection N, recovering the passing of the road intersection N according to a dynamic timing method, sending information that the VIP vehicle completely passes through the road intersection N to a cloud platform control center, and naming the time when the VIP vehicle passes through the road intersection N as T1 and storing the time;
y2, after receiving the information that the VIP vehicle completely passes through the intersection N, the cloud platform control center firstly detects whether a next intersection N +1 exists or not, when the existence of the next intersection N +1 is not detected, the VIP passing is ended and the information is sent to the cloud platform control center for displaying, when the existence of the next intersection N +1 is detected, the VIP vehicle is immediately informed of a next intersection N +1 signal lamp controller to be reached, the distance W1 from the intersection N to the intersection N +1 and the predicted travel time T01 are sent to the intersection N +1 signal lamp controller, wherein the predicted travel time T01 is obtained according to the distance W1 and the running speed v of the VIP vehicle, and the name is inferred;
y3, after the cloud platform control center detects that the VIP vehicle completely passes through the information of the intersection N +1 through the intersection sensing, the step S2 is used at the intersection N +1, the time of the VIP vehicle passing through the intersection N +1 is named as T2 to be stored, T2-T1 is the actual travel time of the VIP vehicle from the intersection N to the intersection N +1, the actual travel time T2-T1 is sent to the cloud platform control center to be displayed, and the like;
and Y4, after the cloud platform control center receives the information that the VIP vehicle has driven through the last intersection, the traffic control system finishes working and sends the information to the cloud platform control center for displaying.
5. The timing method of the non-blocking traffic control system of the VIP vehicle as claimed in claim 1, wherein in step S2, when the cloud platform control center detects that the VIP vehicle is not traveling along the planned route, the cloud platform control center forcibly ends the VIP traffic re-planning route.
6. The timing method of the non-blocking traffic control system of the VIP vehicle as claimed in claim 1, wherein the traffic control system further comprises a road intersection camera, and the timing method searches and identifies the VIP vehicle through the road intersection camera.
7. The timing method of the VIP vehicle non-blocking traffic control system as claimed in claim 1, wherein the intersection sensor is a vehicle-mounted terminal and a wireless transmitting module or a GPS.
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Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ES2379664T3 (en) * | 2007-03-26 | 2012-04-30 | Ab Tryggit | Method to control traffic signals to give signaling priority to a vehicle |
| CN103903453A (en) * | 2012-12-26 | 2014-07-02 | 中国移动通信集团公司 | Intelligent traffic control system, device and method |
| US9070290B2 (en) * | 2013-03-16 | 2015-06-30 | Donald Warren Taylor | Apparatus and system for monitoring and managing traffic flow |
| CN104867340A (en) * | 2015-04-23 | 2015-08-26 | 南京信息工程大学 | Emergency vehicle release method and system for city traffic |
| CN105869416A (en) * | 2016-06-12 | 2016-08-17 | 京东方科技集团股份有限公司 | Traffic signal control device, control method and control system |
| CN106340194A (en) * | 2016-09-06 | 2017-01-18 | 江苏智通交通科技有限公司 | Emergency vehicle signal priority control method |
| CN106652499A (en) * | 2016-10-11 | 2017-05-10 | 南京蓝泰交通设施有限责任公司 | Booking-function provided priority passage system for special vehicles and the implementation method thereof |
| CN109598952A (en) * | 2018-12-29 | 2019-04-09 | 驭势科技（北京）有限公司 | A kind of method and device controlling traffic lights |
| CN109859502A (en) * | 2019-02-27 | 2019-06-07 | 中国第一汽车股份有限公司 | A kind of intelligent transportation system and its control method based on combined network communication technology |
| CN110189532A (en) * | 2019-06-25 | 2019-08-30 | 常熟理工学院 | A kind of method for controlling traffic signal lights that auxiliary special car is current |
-
2020
- 2020-03-23 CN CN202010207303.6A patent/CN111311934B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ES2379664T3 (en) * | 2007-03-26 | 2012-04-30 | Ab Tryggit | Method to control traffic signals to give signaling priority to a vehicle |
| CN103903453A (en) * | 2012-12-26 | 2014-07-02 | 中国移动通信集团公司 | Intelligent traffic control system, device and method |
| US9070290B2 (en) * | 2013-03-16 | 2015-06-30 | Donald Warren Taylor | Apparatus and system for monitoring and managing traffic flow |
| CN104867340A (en) * | 2015-04-23 | 2015-08-26 | 南京信息工程大学 | Emergency vehicle release method and system for city traffic |
| CN105869416A (en) * | 2016-06-12 | 2016-08-17 | 京东方科技集团股份有限公司 | Traffic signal control device, control method and control system |
| CN106340194A (en) * | 2016-09-06 | 2017-01-18 | 江苏智通交通科技有限公司 | Emergency vehicle signal priority control method |
| CN106652499A (en) * | 2016-10-11 | 2017-05-10 | 南京蓝泰交通设施有限责任公司 | Booking-function provided priority passage system for special vehicles and the implementation method thereof |
| CN109598952A (en) * | 2018-12-29 | 2019-04-09 | 驭势科技（北京）有限公司 | A kind of method and device controlling traffic lights |
| CN109859502A (en) * | 2019-02-27 | 2019-06-07 | 中国第一汽车股份有限公司 | A kind of intelligent transportation system and its control method based on combined network communication technology |
| CN110189532A (en) * | 2019-06-25 | 2019-08-30 | 常熟理工学院 | A kind of method for controlling traffic signal lights that auxiliary special car is current |
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