CN112330973A - Cloud computing-based site selection method for electronic traffic road condition display screen - Google Patents
Cloud computing-based site selection method for electronic traffic road condition display screen Download PDFInfo
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- CN112330973A CN112330973A CN202011159855.0A CN202011159855A CN112330973A CN 112330973 A CN112330973 A CN 112330973A CN 202011159855 A CN202011159855 A CN 202011159855A CN 112330973 A CN112330973 A CN 112330973A
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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
- G08G1/0962—Arrangements for giving variable traffic instructions having an indicator mounted inside the vehicle, e.g. giving voice messages
- G08G1/0967—Systems involving transmission of highway information, e.g. weather, speed limits
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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
- E01F9/60—Upright bodies, e.g. marker posts or bollards; Supports for road signs
- E01F9/604—Upright bodies, e.g. marker posts or bollards; Supports for road signs specially adapted for particular signalling purposes, e.g. for indicating curves, road works or pedestrian crossings
- E01F9/608—Upright bodies, e.g. marker posts or bollards; Supports for road signs specially adapted for particular signalling purposes, e.g. for indicating curves, road works or pedestrian crossings for guiding, warning or controlling traffic, e.g. delineator posts or milestones
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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
- G08G1/091—Traffic information broadcasting
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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
- G08G1/0962—Arrangements for giving variable traffic instructions having an indicator mounted inside the vehicle, e.g. giving voice messages
- G08G1/0968—Systems involving transmission of navigation instructions to the vehicle
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Abstract
The invention discloses a cloud computing-based electronic traffic condition display screen site selection method, wherein an electronic display screen site selection system comprises an electronic display screen number determination module and an electronic display screen position determination module, the electronic display screen number determining module determines the number N of the electronic display screens to be set according to the pedestrian flow of the shopping malls around the road of the electronic display screens to be set, the road evaluation index and the segment number of the regional road, the electronic display screen position determining module determines the position of the electronic display screen according to the traffic flow of each section of regional road and the position of the traffic accident easy-to-occur point, the electronic display screen number determining module comprises a shopping mall people flow judging module, a road evaluation index calculating module and a judging module, the mall people flow judging module determines the number of the electronic display screens according to the relationship between the mall people flow around the road and the people flow threshold.
Description
Technical Field
The invention relates to the field of cloud computing, in particular to a method for selecting a site of a traffic road condition electronic display screen based on cloud computing.
Background
Along with the development of economy, more and more families own the car, because the convenience of car, people all select the self-driving trip, lead to the traffic flow on the road to rise day by day, whenever peak hour, the traffic flow of working, tourism, shopping is gushed into the downtown from all sides, lead to the road to bear great traffic flow, thereby arouse the road jam, set up the electronic display screen who shows traffic road conditions on the road and can let people know the road traffic condition in the place ahead, change the route of going when the traffic jam, alleviate the traffic pressure of road in the place ahead, but the electronic display screen position that shows traffic road conditions that has now sets up unreasonablely, lead to people can't in time adjust the route of going.
Disclosure of Invention
The invention aims to provide a cloud computing-based site selection system and method of an electronic traffic road condition display screen, which aim to solve the problems in the prior art.
In order to achieve the purpose, the invention provides the following technical scheme:
the electronic display screen location system comprises an electronic display screen number determining module and an electronic display screen position determining module, wherein the electronic display screen number determining module determines the basic number N of electronic display screens to be set according to the pedestrian flow of shopping malls around the roads of the electronic display screens to be set, the road evaluation index and the number of sections of the regional roads, and the electronic display screen position determining module determines the positions of additional electronic display screens according to the traffic flow of each section of the regional roads and the positions of traffic accident easily-occurring points.
As a preferred scheme, the electronic display screen number determining module comprises a market people flow rate determining module, a road evaluation index calculating module and a determining module, wherein the market people flow rate determining module determines the number of the electronic display screens according to the relation between the people flow rate of markets around the road and a people flow rate threshold, the road evaluation index calculating module is used for calculating the weighted sum of the congestion degrees of each section of the road evaluated by the driver, and the determining module is used for determining the size of the road evaluation index and determining whether the basic number N of the electronic display screens to be set is the number of the electronic display screens determined according to the market people flow rate or one half of the section number of the section of the road.
As a preferred scheme, the electronic display screen position determining module comprises a first electronic display screen determining module, a second electronic display screen determining module and a comprehensive screening module, the first electronic display screen determining module comprises a traffic flow acquiring module, a sorting module, a first electronic display screen position selecting module and a first electronic display screen screening module, the traffic flow acquiring module is used for acquiring the traffic flow of each section of regional road in the past three months, the sorting module sorts the traffic flow of each section of regional road according to the descending order and selects the regional road with the first N names before sorting, the first electronic display screen position selecting module selects the position of the first electronic display screen in the regional road with the first N names before sorting, the first electronic display screen position screening module is used for selecting the first electronic display screen closer to the first electronic display screen and selecting the position of the new first electronic display screen from the first electronic display screen, the second electronic display screen determining module comprises an accident easy-to-send point judging module, a single easy-to-send point position setting module, a plurality of easy-to-send point position setting modules and a second electronic display screen screening module, wherein the accident easy-to-send point judging module is used for judging the number of traffic accident easy-to-send points on regional roads, if the number of the traffic accident easy-to-send points is one, a signal is transmitted to the single easy-to-send point position setting module to set the position of the second electronic display screen, if the number of the traffic accident easy-to-send points is more than or equal to two, the signal is transmitted to the plurality of easy-to-send point position setting modules to set the position of the second electronic display screen, and the second electronic display screen screening module is used for screening second electronic display screens which are relatively close to each other and selecting new positions of the second electronic display screens; the comprehensive screening module is used for screening a first electronic display screen and a second electronic display screen which are relatively close to each other, and selecting the position of a new electronic display screen according to the positions of the two electronic display screens.
A cloud computing-based electronic display screen site selection method for traffic road conditions comprises the following steps:
step S1: determining the road range of the electronic display screen to be set and the basic number N of the electronic display screen to be set on the road;
step S2: the method comprises the steps of dividing a road to be provided with the electronic display screen into a plurality of sections of regional roads, and determining the position of the electronic display screen according to the traffic flow of each section of regional road and the position of a traffic accident incident point.
Preferably, the step S1 further includes:
the method comprises the steps of taking the middle point of a road to be provided with an electronic display screen as a center, taking 0.6 time of the length of the road as a radius to draw a circle to obtain a circular area, obtaining shopping malls in the area and the flow rate of people corresponding to each shopping mall, and adding one to the basic number of the electronic display screen if the flow rate corresponding to a certain shopping mall is larger than a flow rate threshold value.
Preferably, the step S2 further includes the following steps:
respectively acquiring the traffic flow of each section of regional road in the past three months, sequencing the traffic flow of each section of regional road from large to small, selecting N regional roads before sequencing, setting the position with the distance of 3km as the position of a first electronic display screen by taking the middle point position of the regional roads as the center, and if the distance between two first electronic display screens is less than 3km, setting the middle point position between the two first electronic display screens as the position of a new first electronic display screen;
whether a traffic accident easily-occurring point exists on each section of regional road is obtained, if yes, the position of the traffic accident easily-occurring point is obtained, the position 3km away from the traffic accident easily-occurring point is set as the position of a second electronic display screen, and if the distance between two second electronic display screens is smaller than 3km, the middle point between the two second electronic display screens is set as the position of a new second electronic display screen;
and judging the distance between the first electronic display screen and the second electronic display screen, canceling the positions of the first electronic display screen and the second electronic display screen if the distance between the first electronic display screen and the second electronic display screen is less than or equal to 3km, and re-taking the middle point position between the first electronic display screen and the second electronic display screen as the position of a new electronic display screen.
Preferably, the acquiring whether a traffic accident prone point exists on each section of regional road further comprises:
if two or more traffic accident easily-occurring points exist on a certain section of regional road, selecting two traffic accident easily-occurring points with the farthest positions, and setting the position 3km away from the midpoint position of the two traffic accident easily-occurring points as the position of the second electronic display screen.
Preferably, the step S1 further includes:
calculating a road evaluation index, wherein the road evaluation index is a weighted sum of congestion degrees of each section of regional road evaluated by a driver, the weighted weight is the percentage of the regional road in the whole road range, the congestion degrees of each section of regional road evaluated are 5, 4, 3, 2 and 1 according to the congestion degrees from large to small,
when the road evaluation index is more than or equal to 3, acquiring the number of segments of the regional road on the segment of the road, judging that the number of the electronic display screens determined according to the pedestrian flow of the market is compared with the number of segments of the regional road, if the number of the electronic display screens determined according to the pedestrian flow of the market is less than one half of the number of the segments of the regional road, then one half of the number of the segments of the regional road is the basic number N of the electronic display screens to be set, and if the number of the electronic display screens determined according to the pedestrian flow of the market is more than or equal to one half of the number of the segments of the regional road, then the number of the electronic display screens determined according to the pedestrian flow of the market is the basic number N of;
and when the road evaluation index is less than 3, the number of the electronic display screens determined according to the flow of the market people is the basic number N of the electronic display screens to be set.
Compared with the prior art, the invention has the beneficial effects that: according to the invention, the position of the electronic display screen is reasonably set, so that a driver can know the traffic condition of the road in time, and when a traffic accident or congestion occurs, the driver can make a response measure early in the driving process, turn to other roads to drive, and relieve the traffic pressure of the road.
Drawings
FIG. 1 is a schematic block diagram of an electronic traffic road condition display screen site selection system based on cloud computing according to the present invention;
fig. 2 is a schematic flow chart of the electronic traffic road condition display screen site selection method based on cloud computing.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-2, in an embodiment of the present invention, an electronic display screen site selection system for traffic conditions based on cloud computing includes an electronic display screen number determination module and an electronic display screen position determination module, where the electronic display screen number determination module determines the number N of electronic display screens to be set according to the pedestrian flow rate of shopping malls around a road of the electronic display screen to be set, a road evaluation index, and the number of segments of the area road, and the electronic display screen position determination module determines the position of the electronic display screen according to the traffic flow rate of each segment of the area road and the position of a traffic accident easy-to-occur point.
The electronic display screen number determining module comprises a market people flow judging module, a road evaluation index calculating module and a judging module, wherein the market people flow judging module determines the number of the electronic display screens according to the relation between the people flow of the markets around the road and a people flow threshold, the road evaluation index calculating module is used for calculating the weighted sum of the congestion degrees of each section of the road evaluated by the drivers, the judging module is used for judging the size of the road evaluation index, and the basic number N of the electronic display screens to be set is determined according to the size of the road evaluation index, namely the number of the electronic display screens determined according to the market people flow or half of the number of the sections of the road.
The electronic display screen position determining module comprises a first electronic display screen determining module, a second electronic display screen determining module and a comprehensive screening module, the first electronic display screen determining module comprises a traffic flow acquiring module, a sorting module, a first electronic display screen position selecting module and a first electronic display screen screening module, the traffic flow acquiring module is used for acquiring the traffic flow of each section of regional road in the past three months, the sorting module sorts the traffic flow of each section of regional road according to the sequence from large to small and selects the regional roads of N names before sorting, the first electronic display screen position selecting module selects the position of a first electronic display screen in the regional roads of N names before sorting, the first electronic display screen position screening module is used for screening out the first electronic display screen at a relatively short distance and selecting the position of a new first electronic display screen from the regional roads, the second electronic display screen determining module comprises an accident easy-to-send point judging module, a single easy-to-send point position setting module, a plurality of easy-to-send point position setting modules and a second electronic display screen screening module, wherein the accident easy-to-send point judging module is used for judging the number of traffic accident easy-to-send points on regional roads, if the number of the traffic accident easy-to-send points is one, a signal is transmitted to the single easy-to-send point position setting module to set the position of the second electronic display screen, if the number of the traffic accident easy-to-send points is more than or equal to two, the signal is transmitted to the plurality of easy-to-send point position setting modules to set the position of the second electronic display screen, and the second electronic display screen screening module is used for screening second electronic display screens which are relatively close to each other and selecting new positions of the second electronic display screens; the comprehensive screening module is used for screening a first electronic display screen and a second electronic display screen which are relatively close to each other, and selecting the position of a new electronic display screen according to the positions of the two electronic display screens.
A cloud computing-based electronic display screen site selection method for traffic road conditions comprises the following steps:
step S1: determining the road range of the electronic display screen to be set and the basic number N of the electronic display screen to be set on the road section:
drawing a circle by taking the middle point of a road to be provided with the electronic display screen as a center and taking 0.6 time of the length of the road as a radius to obtain a circular area, and acquiring shopping malls in the area and the flow rate of people corresponding to each shopping mall, wherein if the flow rate of people corresponding to a certain business place is greater than a flow rate threshold value, the number of the electronic display screen is increased by one;
calculating a road evaluation index, wherein the road evaluation index is a weighted sum of congestion degrees of each section of regional road evaluated by a driver, the weighted weight is the percentage of the regional road in the whole road range, the congestion degrees of each section of regional road evaluated are 5, 4, 3, 2 and 1 according to the congestion degrees from large to small,
when the road evaluation index is more than or equal to 3, acquiring the number of segments of the regional road on the segment of the road, judging that the number of the electronic display screens determined according to the flow of the people in the market is compared with one half of the number of segments of the regional road, if the number of the electronic display screens determined according to the flow of the people in the market is less than one half of the number of segments of the regional road, one half of the number of the segments of the regional road is the number N of the electronic display screens to be set, if the number of the electronic display screens determined according to the flow of the people in the market is more than or equal to one half of the number of the segments of the regional road, the number of the electronic display screens determined according to the flow of the people in the market is the,
when the road evaluation index is less than 3, the number of the electronic display screens determined according to the flow of the market people is the basic number N of the electronic display screens to be set;
the number of the electronic display screens is determined according to the pedestrian flow conditions of the shopping malls near the roads and the crowding conditions of the drivers on the roads in each section, so that the number of the electronic display screens is more reasonable to set.
Step S2: dividing a road to be provided with the electronic display screen into a plurality of sections of regional roads, and determining the position of the electronic display screen according to the traffic flow of each section of regional road and the position of a traffic accident incident point:
respectively acquiring the traffic flow of each section of regional road in the past three months, sequencing the traffic flow of each section of regional road from large to small, selecting N regional roads before sequencing, setting the position with the distance of 3km as the position of a first electronic display screen by taking the middle point position of the regional roads as the center, and if the distance between two first electronic display screens is less than 3km, setting the middle point position between the two first electronic display screens as the position of a new first electronic display screen;
whether a traffic accident easily-occurring point exists on each section of regional road is obtained, if yes, the position of the traffic accident easily-occurring point is obtained, the position 3km away from the traffic accident easily-occurring point is set as the position of a second electronic display screen, and if the distance between two second electronic display screens is smaller than 3km, the middle point between the two second electronic display screens is set as the position of a new second electronic display screen;
if two or more traffic accident easily-occurring points exist on a certain section of regional road, selecting two traffic accident easily-occurring points with the farthest positions, and setting the position 3km away from the midpoint position of the two traffic accident easily-occurring points as the position of the second electronic display screen.
And judging the distance between the first electronic display screen and the second electronic display screen, canceling the positions of the first electronic display screen and the second electronic display screen if the distance between the first electronic display screen and the second electronic display screen is less than or equal to 3km, and re-taking the middle point position between the first electronic display screen and the second electronic display screen as the position of a new electronic display screen.
When a traffic accident occurs, the road is easy to block, so that an electronic display screen is additionally arranged near a traffic accident easily-occurring point, a driver is convenient to be informed in time when the traffic accident occurs, the driver turns to other roads to drive, and the delay of the driver's travel is prevented; the electronic display screens with relatively short distances are screened, so that the electronic display screens are prevented from being excessively arranged, and waste of the electronic display screens is avoided.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (1)
1. A cloud computing-based address selection method for an electronic traffic road condition display screen is characterized by comprising the following steps: the electronic display screen address selection method comprises the following steps:
step S1: determining a road range of the electronic display screen to be set and the basic number N of the electronic display screen to be set in the road range;
step S2: dividing a road to be provided with the electronic display screen into a plurality of sections of regional roads, and determining the position of the electronic display screen according to the traffic flow of each section of regional road and the position of a traffic accident incident point;
the step S1 further includes:
drawing a circle by taking the middle point of a road to be provided with the electronic display screen as a center and taking 0.6 time of the length of the road as a radius to obtain a circular area, and acquiring shopping malls in the area and the flow rate of people corresponding to each shopping mall, wherein if the flow rate of people corresponding to a certain business place is greater than a flow rate threshold value, the basic number of the electronic display screen is increased by one;
the step S2 further includes the following:
respectively acquiring the traffic flow of each section of regional road in the past three months, sequencing the traffic flow of each section of regional road from large to small, selecting N regional roads before sequencing, setting the position with the distance of 3km as the position of a first electronic display screen by taking the middle point position of the regional roads as the center, and if the distance between two first electronic display screens is less than 3km, setting the middle point position between the two first electronic display screens as the position of a new first electronic display screen;
whether a traffic accident easily-occurring point exists on each section of regional road is obtained, if yes, the position of the traffic accident easily-occurring point is obtained, the position 3km away from the traffic accident easily-occurring point is set as the position of a second electronic display screen, and if the distance between two second electronic display screens is smaller than 3km, the middle point between the two second electronic display screens is set as the position of a new second electronic display screen;
judging the distance between the first electronic display screen and the second electronic display screen, if the distance between the first electronic display screen and the second electronic display screen is less than or equal to 3km, canceling the positions of the first electronic display screen and the second electronic display screen, and re-taking the midpoint position between the first electronic display screen and the second electronic display screen as the position of a new electronic display screen;
the step of acquiring whether a traffic accident easily-occurring point exists in each section of regional road further comprises the following steps:
if two or more traffic accident easily-occurring points exist on a certain section of regional road, selecting two traffic accident easily-occurring points with the farthest positions, and setting the position 3km away from the midpoint position of the two traffic accident easily-occurring points as the position of a second electronic display screen;
the step S1 further includes:
calculating a road evaluation index, wherein the road evaluation index is a weighted sum of congestion degrees of each section of regional road evaluated by a driver, the weighted weight is the percentage of the regional road in the whole road range, the congestion degrees of each section of regional road evaluated are 5, 4, 3, 2 and 1 according to the congestion degrees from large to small,
when the road evaluation index is more than or equal to 3, acquiring the number of segments of the regional road on the segment of the road, judging that the number of the electronic display screens determined according to the flow of the people in the market is compared with one half of the number of segments of the regional road, if the number of the electronic display screens determined according to the flow of the people in the market is less than one half of the number of segments of the regional road, one half of the number of the segments of the regional road is the basic number N of the electronic display screens to be set, and if the number of the electronic display screens determined according to the flow of the people in the market is more than or equal to one half of the number of the segments of the regional road, the number of the electronic display screens determined according to the flow of the people in the market is;
and when the road evaluation index is less than 3, the number of the electronic display screens determined according to the flow of the market people is the basic number N of the electronic display screens to be set.
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| CN111047866A (en) | 2020-04-21 |
| CN111047866B (en) | 2020-11-27 |
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