CN103106787A - System for proactively solving urban traffic congestion - Google Patents
System for proactively solving urban traffic congestion Download PDFInfo
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Abstract
Disclosed is a system for proactively solving urban traffic congestion. Traffic conditions are forecast in a mode of collecting travel information of travelers, and the travelers are enabled to actively avoid a busy section. The operation process of the system is that a large amount of travelers send departure place information and destination information to an information processing center through a navigation client or a mobile phone, and monitor and analyze the traffic conditions through a real-time traffic monitoring and analysis system, the information processing center calculates a static shortest path and a real-time least-time path according to received departure place data and destination data, and a real-time optimal path analysis system carries analysis and calculation according to departure places and destinations sent by a large amount of travelers by combining with an urban road network, screens out a hub and a section with huge traffic flow in a period of time in future, identifies busy degree to each key node and each section according to the size of the traffic flow, carries out route optimization analysis by combining with the static shortest path, the real-time least-time path and the busy degrees of key nodes and sections, obtains an optimal path, and sends the optimal path to the travelers.
Description
Technical field
What the present invention relates to is the urban transportation technical field, relates in particular to a kind of system of perspective solving urban traffic blocking.
Background technology
The problem of urban traffic blocking has become the national economy problem.In big and medium-sized cities, traffic congestion and the time waste that causes thereof, operation cost rising, traffic hazard increase, increasing environmental pollution etc. have brought inconvenience for the people's life, work, have seriously hindered the sustainable and healthy development in city.Therefore, further investigation and solving urban traffic blocking problem, the traffic plan that planning and design are new becomes the task of top priority.
Current, the main following several classes of the urban traffic control method that China adopts: the one, optimize roading, make road traffic be tending towards more scientific and reasonable, be easy to management, the purpose that transport solution blocks up thereby reach.But this method generally is only applicable to Xincheng District, and is inapplicable for the old town that forms basic traffic route general layout.Based on the purpose of improving traffic congestion, the old town is transformed, invest hugely, produce little effect.The 2nd, implement restriction, as the car plate type of restriction vehicle fleet size, restriction trip etc., this method is cured the symptoms, not the disease, and has just continued the time of traffic congestion, not the transport solution problem of blocking up fundamentally.The 3rd, Intelligent traffic management systems, by intelligent electronic device, the monitoring urban traffic conditions in time takes appropriate measures to the location that gets congestion.This method has been that adopt domestic big and medium-sized cities, effectively strengthens the urban traffic control ability.Shortcoming is that this method can only provide corresponding information blocking up when occuring, thereby impels administrative authority to take measures to solve, and when certain highway section gets congestion, even if in time inform traveler on road, also can't change the trend of the aggravation of blocking up.
The Chinese patent of application number 01119483.9 discloses a kind of intelligent city traffic network system.Connect into a complete city traffic controlling network by command centre's LAN (Local Area Network), metropolitan area, broadband private network and crossing LAN (Local Area Network) Adoption Network interconnection technique; Its Intelligent intersection device itself is the autonomous control system with the intelligent belisha beacon watchdog routine ability of operation; Whole city traffic controlling network adopts the two-layer flat control method of full distributed processing and carries out the management mode of multiple agency agreement.
The Chinese patent of application number 200710067061.X discloses a kind of intelligent analysis system for municipal traffic journey time.The candid photograph identification equipment, the Intelligent Service device that comprise each crossing that is arranged on urban traffic network, each is captured identification equipment and connects the Intelligent Service device; The Intelligent Service device comprises urban traffic network topological structure module, vehicle snapshot identification module, road-section average running time computing module, discrimination module violating the regulations, and sets up the corresponding relation of road network topology structure and OD matrix.Owing to having adopted candid photograph equipment to obtain the number plate information of vehicle, and utilize link table to deposit the topological structure of road network, method based on theoretical analysis is different merely as compared with the past, and this system can be applied to complicated city road network, and can dynamically increase on the backstage circuit node.The invention provides a kind of based on the OD matrix, the intelligent analysis system for municipal traffic journey time that consider simultaneously constraint that vehicle flowrate, journey time bring, can be applied to the city complex network, applicability is good.
Above two patents all belong to Intelligent traffic management systems, have above-mentioned shortcoming that can't perspective precognition traffic congestion situation.
2011, " traffic congestion early warning system " of American I BM company and California Department of Communications exploitation by collecting the GPS information of each automobile, by mathematical model, just can dope when not yet occuring in traffic congestion and where can get congestion.This system has set more than 1000 inductor at San Francisco Bay one band, is arranged on the places such as charge station, bridge, highway pavement, and they can collect density and the speed of traffic conditions.When these inductors driven by automobile, wheel can make the coil of inductor produce immediate current, then, a project that is called " traffic forecast instrument " can collect these current data and analyze, and this is to understand next step approach that may where become intensive of wagon flow.This system is block up a up-to-date solution of problem of perspective transport solution, and its validity is also among test.The shortcoming that exists has: 1, investment is huge, needs to arrange a large amount of inductors and relevant software systems; Although 2, the monitoring of the real-time condition of wagon flow more fast, accurately, can't be judged the destination of vehicle, make to judge that there is uncertainty in the following location that blocks up; If 3 everyone received same information, this prognoses system may overreact, when it tells people that a place may be stopped up, people run another road and have got on as a result, can produce new obstruction on the contrary there.Although 4, this system has the function of collecting the traveler plan of travel, be not applied as emphasis, object and the data volume of collection are few, and initiative is not strong, is difficult to reach the purpose of Predict.
Summary of the invention
The objective of the invention is in order to solve above-mentioned the deficiencies in the prior art, a kind of system of perspective solving urban traffic blocking will be provided, mode by SMS or navigation client is collected people's trip information, in conjunction with conventional shortest path algorithm and real-time monitoring analyzing system, calculate optimum current path, send to traveler, thereby reach the purpose that perspective transport solution blocks up.
The technical scheme that the technical matters that the present invention solves adopts is:
A kind of system of perspective solving urban traffic blocking comprises information processing centre, real-time traffic monitoring and analytic system, mobile navigation client and SMS platform, it is characterized in that:
Above-mentioned information processing centre comprises city road network database, static shortest path computing system, real-time minimum used time path computing system, optimal path analytic system in real time.The city road network database provides city road network information, for static shortest path computing system, real-time minimum used time the path computing system, the optimal path analytic system provides up-to-date road net data in real time.Starting point and the shortest path between the destination and alternatives that static shortest path computing system analytical calculation mobile navigation client or SMS platform are submitted to; Real-time minimum used time Real-time Traffic Information of submitting to according to the real-time traffic monitoring analysis system of path computing system calculates between starting point that mobile navigation client or SMS platform submit to and destination path of minimum used time instantly; Departure place and destination information that real-time optimal path analytic system sends a large amount of travelers, analyze in conjunction with road network, obtain in the city busy extent of each key node and highway section instantly, alternatives in conjunction with static shortest path computing system and real-time minimum used time path computing system submission is optimized screening, take into account the factor of minimum two aspects of shortest path and used time, select the current path of the best between two places, send to SMS platform or navigation client; The optimal path analytic system is carried out analytic statistics to departure place and the destination information that a large amount of travelers send simultaneously in real time, obtains the dynamic data analysis result of current urban transportation, for vehicle supervision department and citizens' activities reference.
Above-mentioned real-time traffic monitoring is comprised of Real-Time Monitoring electronic equipment and Real-Time Traffic Volume staqtistical data base, urban traffic control system, magnitude of traffic flow real-time acquisition system, urban road accident real-time monitoring system with analytic system.The Real-Time Monitoring electronic equipment is installed on the road interface point, obtains road real-time traffic situation by modes such as electronic inductions, and is sent to magnitude of traffic flow real-time acquisition system.The traffic real-time information of the traffic control in urban traffic control system, urban road accident real-time monitoring system and the real-time traffic situation complete of accident information and real-time acquisition system collection offers above-mentioned information processing centre;
Above-mentioned mobile navigation client is used for sending the navigation residing GPS information of client handheld device and destination to information processing centre;
The said short message platform sends departure place and destination by mobile phone to information processing centre for the user that the navigation client is not installed, and sends optimal path information to the cellphone subscriber.
Adopt the present invention, the method for perspective solving urban traffic blocking comprises the steps:
(1) traveler sends departure place and destination information by mobile phone to SMS platform.After navigation being installed the client user opening client software, information processing centre can capture the GPS positional information of traveler, and after the user inputted the destination, client sent it to information processing centre.
(2) real-time traffic monitoring and analytic system monitoring analysis real-time traffic situation, offer information processing centre.
(3) information processing centre offers static shortest path computing system, real-time minimum used time path computing system analysis computation with departure place and the destination data of receiving, static shortest path computing system adopts traditional algorithm to obtain static shortest path, and real-time minimum used time, the path computing system was by the Time Calculation real-time minimum used time path of same vehicle through a plurality of crossings.
(4) real-time optimal path analytic system is according to starting point and the destination of a large number of users transmission, carry out analytical calculation in conjunction with city road network figure, filter out following following period of time vehicle flowrate larger hinge and highway section, the size of pressing vehicle flowrate identifies busy extent to each key node and highway section.In real time the optimal path analytic system in conjunction with static shortest path computing system, real-time minimum used time the path computing system result and the busy extent in key node and highway section carry out path optimization's analysis, obtain optimal path.The optimal path analytic system is carried out analytic statistics to departure place and the destination information that a large amount of travelers send simultaneously in real time, obtains the dynamic data analyses and prediction result of following a period of time urban transportation.
(5) information processing centre sends to each optimal path user's navigation client, perhaps sends to the traveler mobile phone by SMS platform, and traveler travels according to the optimal path of recommending.If departure place and destination apart from each other, traveler can send current location and destination to information processing centre halfway again, and optimal path is revised.Information processing centre predicts the outcome for traffic department's reference current urban transportation, for news media's issue.
The invention has the beneficial effects as follows: need not change the means of transportation present situation, take full advantage of existing real-time traffic monitoring system, trip information in conjunction with the traveler transmission, obtain predicting the outcome and the best trip path of each traveler of following a period of time urban transportation, significantly improve urban transportation efficient with less input, minimizing is blocked up.Simultaneously, the information processing centre predictive analysis results of going on a journey offers traffic department and news media, and issuing traffic situation, for the traveler reference, can reduce some unnecessary trips in advance, alleviates traffic pressure.
Description of drawings
Below in conjunction with drawings and Examples, invention is further illustrated.
Fig. 1 is embodiment of the present invention system schematic.
Fig. 2 is that the embodiment of the present invention solves the method flow diagram that blocks up.
in Fig. 1: 1, information processing centre 2, city road network database 3, static shortest path computing system 4, real-time optimal path analytic system 5, real-time minimum used time path computing system 6, SMS platform 7, the cellphone subscriber 8, optimal path result 9, future transportation situation forecast result 10, navigation client 11, real-time traffic monitoring and analytic system 12, Real-Time Traffic Volume staqtistical data base 13, urban traffic control system 14, magnitude of traffic flow real-time acquisition system 15, urban road accident real-time monitoring system 16, the Real-Time Monitoring electronic equipment
Embodiment
In Fig. 1, a kind of system of perspective solving urban traffic blocking, comprise information processing centre (1), real-time traffic monitoring and analytic system (11), mobile navigation client (10) and SMS platform (6), information processing centre (1) comprises city road network database (2), static shortest path computing system (3), real-time minimum used time path computing system (5), real-time optimal path analytic system (4).City road network database (2) provides city road network information, for static shortest path computing system (3), real-time minimum used time path computing system (5), optimal path analytic system (4) provides up-to-date road net data in real time.Starting point and the shortest path between the destination and alternatives that static shortest path computing system (3) analytical calculation mobile navigation client (10) or SMS platform (6) are submitted to; The Real-time Traffic Information that real-time minimum used time path computing system (5) is submitted to according to real-time traffic monitoring analysis system (11) calculates between starting point that mobile navigation client (10) or SMS platform (6) submit to and destination path of minimum used time instantly; Departure place and destination information that real-time optimal path analytic system (4) sends a large amount of travelers, analyze in conjunction with road network, obtain in the city busy extent of each key node and highway section instantly, alternatives in conjunction with static shortest path computing system (3) and real-time minimum used time path computing system (5) submission is optimized screening, take into account the factor of minimum two aspects of shortest path and used time, select the current path of the best between two places, send to SMS platform (6) or navigation client (10); Optimal path analytic system (4) is carried out analytic statistics to departure place and the destination information that a large amount of travelers send simultaneously in real time, obtains future transportation situation forecast result (9), for vehicle supervision department and citizens' activities reference.The real-time traffic monitoring is comprised of Real-Time Monitoring electronic equipment (16) and Real-Time Traffic Volume staqtistical data base (12), urban traffic control system (13), magnitude of traffic flow real-time acquisition system (14), urban road accident real-time monitoring system (15) with analytic system (11).Real-Time Monitoring electronic equipment (16) is installed on the road interface point, obtains road real-time traffic situation by modes such as electronic inductions, and is sent to magnitude of traffic flow real-time acquisition system (14).The traffic real-time information of the real-time traffic situation complete that the traffic control in urban traffic control system (13), urban road accident real-time monitoring system (15) and accident information and real-time acquisition system (14) gather offers above-mentioned information processing centre (1).Mobile navigation client (10) is used for sending the navigation residing GPS information of client (10) handheld device and destination to information processing centre (1).SMS platform (6) sends departure place and destination by mobile phone (7) to information processing centre (1) for the user that navigation client (10) is not installed, and sends optimal path information (8) to mobile phone (7).
Adopt the present invention, the method for perspective solving urban traffic blocking comprises the steps:
1, traveler sends departure place and destination information by mobile phone (7) to SMS platform (6).After navigation client (10) user is installed opens client software, information processing centre (1) can capture the GPS positional information of traveler, after the user inputted the destination, navigation client (10) sent it to information processing centre (1).
2, real-time traffic monitoring and analytic system (11) monitoring analysis real-time traffic situation, offer information processing centre (1).
3, information processing centre (1) offers static shortest path computing system (3), real-time minimum used time path computing system (5) analytical calculation with departure place and the destination data of receiving, obtains static shortest path and real-time minimum used time path.
4, real-time optimal path analytic system (4) is according to starting point and the destination of a large number of users transmission, carry out analytical calculation in conjunction with city road network figure (2), filter out following following period of time vehicle flowrate larger hinge and highway section, the size of pressing vehicle flowrate identifies busy extent to each key node and highway section.In real time optimal path analytic system (4) in conjunction with static shortest path computing system (3), real-time minimum used time the path computing system result (5) and the busy extent in key node and highway section carry out path optimization's analysis, obtain optimal path (8).Optimal path analytic system (4) is carried out analytic statistics to departure place and the destination information that a large amount of travelers send simultaneously in real time, obtains future transportation situation forecast result (9).
5, information processing centre (1) sends to each optimal path (8) user's navigation client (10), perhaps sends to traveler mobile phone (7) by SMS platform (6), and traveler travels according to the optimal path of recommending.If departure place and destination apart from each other, traveler can send current location and destination to information processing centre (1) halfway again, and optimal path is revised.Information processing centre for traffic department's reference, issues future transportation situation forecast result (9) for news media.
At last, should be pointed out that above embodiment is only the more representational example of the present invention.Obviously, the invention is not restricted to above-described embodiment, many distortion can also be arranged.Every foundation technical spirit of the present invention all should be thought to belong to protection scope of the present invention to any simple modification, equivalent variations and modification that above embodiment does.
Claims (6)
1. the system of a perspective solving urban traffic blocking, comprise information processing centre, real-time traffic monitoring and analytic system, mobile navigation client and SMS platform.It is characterized in that: the mode by SMS or navigation client is collected people's trip information, in conjunction with conventional shortest path algorithm and real-time monitoring analyzing system, calculate optimum current path, send to traveler, thereby reach the purpose that perspective transport solution blocks up.
2. according to the system of right 1 described perspective solving urban traffic blocking, it is characterized in that: above-mentioned information processing centre comprises city road network database, static shortest path computing system, real-time minimum used time path computing system, optimal path analytic system in real time.
The city road network database provides city road network information, for static shortest path computing system, real-time minimum used time the path computing system, the optimal path analytic system provides up-to-date road net data in real time;
Starting point and the shortest path between the destination and alternatives that static shortest path computing system analytical calculation mobile navigation client or SMS platform are submitted to;
Real-time minimum used time Real-time Traffic Information of submitting to according to the real-time traffic monitoring analysis system of path computing system calculates between starting point that mobile navigation client or SMS platform submit to and destination path of minimum used time instantly;
Departure place and destination information that real-time optimal path analytic system sends a large amount of travelers, analyze in conjunction with road network, obtain in the city busy extent of each key node and highway section instantly, alternatives in conjunction with static shortest path computing system and real-time minimum used time path computing system submission is optimized screening, on the basis of the following following period of time node of precognition and highway section busy extent, take into account the factor of minimum two aspects of shortest path and used time, select the current path of the best between two places, send to SMS platform or navigation client;
The optimal path analytic system is carried out analytic statistics to departure place and the destination information that a large amount of travelers send simultaneously in real time, obtains following a period of time urban transportation Tendency Prediction result, for vehicle supervision department and citizens' activities reference.
3. according to the system of right 1 described perspective solving urban traffic blocking, it is characterized in that: above-mentioned real-time traffic monitoring is comprised of Real-Time Monitoring electronic equipment and Real-Time Traffic Volume staqtistical data base, urban traffic control system, magnitude of traffic flow real-time acquisition system, urban road accident real-time monitoring system with analytic system.
The Real-Time Monitoring electronic equipment is installed on the road interface point, obtains road real-time traffic situation by modes such as electronic inductions, and is sent to magnitude of traffic flow real-time acquisition system.
The traffic real-time information of the traffic control in urban traffic control system, urban road accident real-time monitoring system and the real-time traffic situation complete of accident information and real-time acquisition system collection offers above-mentioned information processing centre.
4. according to the system of right 1 described perspective solving urban traffic blocking, it is characterized in that: can automatically be caught by information processing centre after above-mentioned mobile navigation client terminal start-up, and send the destination of the navigation residing GPS information of client handheld device and user's input to information processing centre.
5. according to the system of right 1 described perspective solving urban traffic blocking, it is characterized in that: the said short message platform sends departure place and destination by mobile phone to information processing centre for the user that the navigation client is not installed, and sends optimal path information to the cellphone subscriber.
6. according to the system of right 1 described perspective solving urban traffic blocking, it is characterized in that: adopt this system, its method comprises the steps:
(1) traveler sends departure place and destination information by mobile phone to SMS platform.After navigation being installed the client user opening client software, information processing centre captures the GPS positional information of traveler, and after the user inputted the destination, client sent it to information processing centre.
(2) real-time traffic monitoring and analytic system monitoring analysis real-time traffic situation, offer information processing centre.
(3) information processing centre offers static shortest path computing system, real-time minimum used time path computing system analysis computation with departure place and the destination data of receiving, static shortest path computing system adopts traditional algorithm to obtain static shortest path, and real-time minimum used time, the path computing system was by the Time Calculation real-time minimum used time path of same vehicle through a plurality of crossings.
(4) real-time optimal path analytic system is according to starting point and the destination of a large number of users transmission, carry out analytical calculation in conjunction with city road network figure, filter out following following period of time vehicle flowrate larger hinge and highway section, the size of pressing vehicle flowrate identifies busy extent to each key node and highway section.In real time the optimal path analytic system in conjunction with static shortest path computing system, real-time minimum used time the path computing system result and the busy extent in key node and highway section carry out path optimization's analysis, obtain optimal path.The optimal path analytic system is carried out analytic statistics to departure place and the destination information that a large amount of travelers send simultaneously in real time, obtains the dynamic data analyses and prediction result of following a period of time urban transportation.
(5) information processing centre sends to each optimal path user's navigation client, perhaps sends to the traveler mobile phone by SMS platform, and traveler travels according to the optimal path of recommending.If departure place and destination apart from each other, traveler can send current location and destination to information processing centre halfway again, and optimal path is revised.Information processing centre predicts the outcome for traffic department's reference current urban transportation, for news media's issue.
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| CN104197948A (en) * | 2014-09-11 | 2014-12-10 | 东华大学 | Navigation system and method based on traffic information prediction |
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| CN114202913A (en) * | 2021-11-17 | 2022-03-18 | 江苏大学 | Daily path planning method considering compliance degree under Internet of vehicles environment |
| CN114202913B (en) * | 2021-11-17 | 2023-02-17 | 江苏大学 | Daily path planning method considering compliance degree under Internet of vehicles environment |
| CN118776584A (en) * | 2024-09-05 | 2024-10-15 | 成都通广网联科技有限公司 | Dynamic traffic prediction method and system for automatic driving vehicle path planning |
| CN118776584B (en) * | 2024-09-05 | 2024-11-15 | 成都通广网联科技有限公司 | Dynamic traffic prediction method and system for automatic driving vehicle path planning |
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Application publication date: 20130515 |