CN102779408B - Regional emergency traffic evacuation simulation system based on activity - Google Patents
Regional emergency traffic evacuation simulation system based on activity Download PDFInfo
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Abstract
The invention discloses a large-scale regional emergency traffic evacuation simulation system based on activities, which comprises a disaster evolution module, a road network construction module, a population and activity generation module, a microscopic traffic simulation module, an animation display module and a statistical analysis module. The disaster evolution module is used for providing an influence of a disaster on a road system; the road network construction module is used for constructing a road network and an activity place; the population and activity generation module is used for generating a population evacuation and individual and family escape plan; the microscopic traffic simulation module is used for generating a population evacuation and vehicle movement trajectory; the animation display module is used for displaying a population evacuation and vehicle movement process; and the statistical analysis module is used for statistical analysis of traffic conditions during evacuation. The individual and family escape plan and the destructive effects of disasters on the road network during evacuation are comprehensively considered, the vehicle movement process is described via microscopic traffic simulation, the whole traffic evacuation simulation process is enabled to be more practical, and the assessment of an emergency traffic evacuation plan can be realized effectively.
Description
Technical field
The present invention relates to region emergent traffic evacuation technical field on a large scale, particularly the emergent traffic evacuation system in a kind of region based on movable.
Background technology
Emergent traffic evacuation is that a lot of countries dispose the important means of natures or man-made disaster in the world.By emergent traffic evacuation analogue system on a large scale, carry out emergent traffic evacuation work, for science formulate rationally, emergent traffic evacuation prediction scheme efficiently, improve the ability of city solution of emergent event, tool is of great significance.
Although traditional analogue system can be applied to emergent traffic evacuation work, because these systems are only considered for normality traffic behavior, can not reflect well the complicacy feature of emergent traffic evacuation, analog result differs far away with actual.The existing analogue system for emergent traffic evacuation has partly been considered the traffic behavior under case of emergency, but does not consider decision behavior and the activity of individual and family, and analog result also has certain distance with reality.
Summary of the invention
The object of the invention is to provide a kind of emergent traffic evacuation analogue system on a large scale based on activity, it can simulate individual and the active procedure of family in whole evacuation process, energy science, the assessment of the emergent traffic evacuation prediction scheme of realization effectively, provide decision support for decision maker fast, rationally makes accident disposal method.
The present invention proposes the emergent traffic evacuation system in a kind of region based on movable, it is characterized in that, this system comprises: Law of Disastor Evolution module, road network build module, population and movable generation module, microscopic traffic simulation module, animation display module, statistical analysis module, wherein
Described Law of Disastor Evolution module is for providing propelling in time, the destructiveness of disaster to road section, crossing;
Described road network builds module and is used for creating Traffic Net, and the activity venue such as residential quarter, office space, refuge;
Described population and movable generation module build module with described Law of Disastor Evolution module and described road network respectively and are connected, it is for generation of different classes of dispersing the population, and the destructiveness of road section, crossing and described road network are built to the Traffic Net structure of module creation according to the Information of Development of the disaster of described Law of Disastor Evolution module output, disaster, generate corresponding individual and family and flee from activity program;
Described microscopic traffic simulation module builds module with described Law of Disastor Evolution module, described road network respectively and is connected with described population and movable generation module, it flees from for the individual that generates according to described population and movable generation module and family the Traffic Net structure that activity program and described road network build module creation, generation disperse the population by means of different modes of transportation the details motion process in Traffic Net, the i.e. movement locus of population, vehicle and system performance measure;
Described animation display module is connected with described microscopic traffic simulation module, and it is according to population of described microscopic traffic simulation module output, the movement locus of vehicle, on human-computer interaction interface, show intuitively disperse the population, the motion process of vehicle;
Described statistical analysis module is connected with described microscopic traffic simulation module, its according to system performance measure of described microscopic traffic simulation module output the traffic circulation situation when evacuating carry out statistical study.A kind of beneficial effect of emergent traffic evacuation analogue system on a large scale based on activity that the present invention proposes is: overcome prior art and can not consider individual and the activity of family in evacuation process, the individual and the family that have considered in evacuation process flee from planning activity, the destroying infection of disaster to road network, and adopt microscopic traffic simulation to describe vehicle movement process, evacuation dynamic process can be described more accurately, make the whole traffic evacuation simulation process reality of more fitting, can effectively realize the assessment of emergent traffic evacuation prediction scheme.The emergent traffic evacuation prediction scheme of energy accurate evaluation assessment of the present invention, help science is formulated rationally, the traffic evacuation prediction scheme of meeting an urgent need efficiently, improves the ability of city solution of emergent event.
Accompanying drawing explanation
Fig. 1 is the structural representation that the present invention is based on the emergent traffic evacuation system in movable region.
Fig. 2 builds the good Regional Road Network interface of module construction with road network.
Embodiment
For making the object, technical solutions and advantages of the present invention clearer, below in conjunction with specific embodiment, and with reference to accompanying drawing, the present invention is described in more detail.
Fig. 1 is the structural representation that the present invention is based on the emergent traffic evacuation system in movable region, as shown in Figure 1, the present invention is based on the emergent traffic evacuation system in movable region and comprise that Law of Disastor Evolution module, road network build module, population and movable generation module, microscopic traffic simulation module, animation display module, statistical analysis module.
Wherein: Law of Disastor Evolution module is for providing propelling in time, the destructiveness of disaster to road section, crossing; Road network builds module and is used for creating Traffic Net, and the activity venue such as residential quarter, office space, refuge; Population and movable generation module build module with described Law of Disastor Evolution module and described road network respectively and are connected, it is for generation of different classes of dispersing the population, and the destructiveness of road section, crossing and described road network are built to the Traffic Net structure of module creation according to the Information of Development of the disaster of described Law of Disastor Evolution module output, disaster, generate corresponding individual and family and flee from activity program; Microscopic traffic simulation module builds module with described Law of Disastor Evolution module, described road network respectively and is connected with described population and movable generation module, it flees from for the individual that generates according to described population and movable generation module and family the Traffic Net structure that activity program and described road network build module creation, generation disperse the population by means of different modes of transportation the details motion process in Traffic Net, the i.e. movement locus of population, vehicle and system performance measure; Animation display module is connected with described microscopic traffic simulation module, and it is according to population of described microscopic traffic simulation module output, the movement locus of vehicle, on human-computer interaction interface, show intuitively disperse the population, the motion process of vehicle; Statistical analysis module is connected with described microscopic traffic simulation module, its according to system performance measure of microscopic traffic simulation module output the traffic circulation situation when evacuating carry out statistical study.
Particularly, Law of Disastor Evolution module adopts XML file layout to store different disaster informations, comprise disaster title, the scope of specifying disaster to arrive at different time, the population scope affecting, and the destructiveness to road section, crossing, the data that above-mentioned these information are provided according to hazard forecasting relevant departments by professional is determined, such as: * * disaster (such as hurricane) will be to the west of 15:15 (time) arrives * * road, * * district (coverage), population in this region will be affected by hurricane, and * * road, * * road, * * street etc. can be destroyed; 15:25 (time) arrives to the west of * * road, * * district (coverage), and the population in this region will be affected by hurricane, and * * road, * * road, * * street etc. can be destroyed, cannot use.
Road network builds module and creates Traffic Net and playground with graphic user interface form, the attribute of configuration Traffic Net and playground, such as the character in road width, lane width, number of track-lines, road speed limit, place and capacity etc., and provide the amplification of Traffic Net and playground, dwindle, between two parties, show the functions such as global network.Described road network builds module and adopts the form of (void) node-arc to describe Traffic Net structure, adopt the form of node to describe the playgrounds such as residential quarter, office space, school, shopping place, hospital, Recreational places, diet place and refuge, as shown in Figure 2.
Dispersing the population of all ages and classes sections such as the old man of population and movable generation module generation designated ratio, young man, a middle-aged person, child, baby and sex, and each population individuality is under the jurisdiction of a certain definite family, described ratio can be inputted by hand by modeling personnel, and this ratio can obtain according to the demographic data statistics in practical study region, wherein, the Law of Disastor Evolution information that each is individual and family can export according to described Law of Disastor Evolution module, alone whether disaster determine the destruction information of road, or flee from together between some kinsfolk, if certain individuality does not belong to certain family, this individuality will determine oneself to flee from, if certain individuality belongs to certain family, the decision-making of fleeing from of Ze Gai family is determined by kinsfolk, can determine that kinsfolk flees from the result of decision according to the form of questionnaire, be that dissimilar family flees from still and flees from together with much ratio selection members oneself, if there is contradiction in the decision of individual and family, Ze Yi family determines to be as the criterion, and further according to the corresponding individual of Traffic Net structural generation and the family of the output of described road network structure module, flee from activity program, describedly flee from activity program and comprise and fleeing from constantly, assemble place and time, flee from path, security purpose ground, the vehicles etc. of taking advantage of.
Wherein, for fleeing from constantly, owing to there are differences between men, in or to be about to the moment that people on the line select when to leave hazardous location be different, people are to meet certain probability distribution for fleeing from selection constantly, in order to meet the different needs, adopting following two kinds of modes to determine flees from constantly: the one, and the probability distribution of employing appointment, such as being uniformly distributed, normal distribution etc., at this moment need to determine and flee from span constantly, and the numerical characteristic of the stochastic variable such as average and variance; The 2nd, provide cumulative probability and distribute, at this moment need to provide cut off value and corresponding probability thereof.
For fleeing from routing, fleeing from the principle that routing behavior follows has following 3:
(1) the shortest principle of distance, selects to arrive that the shortest paths of security purpose ground length;
(2) shortest time principle, selects to arrive security purpose ground that minimum paths of time;
(3) the minimum principle of perception expense, selects to arrive that minimum paths of security purpose ground perception expense.
For security purpose select, personnel when selecting security purpose ground, following several principles:
(1) security doctrine, people only choose the destination of oneself thinking safely, can reaching and go to place as the escape of oneself;
(2) nearby principle, people, for flee danger region as quickly as possible, select as escape, to go to place from own nearest safety place;
(3) randomly assigne, people are random selects a safety place to go to place as escape.
For the taken advantage of vehicles, generally refer to car.
Such as, there are member adult A, adult B and old man C in certain family, and when disaster is come temporarily, A drives along running away to safety place apart from shortest path after going home to connect old man, and B drives alone along running away to safety place apart from shortest path.
The individual that microscopic traffic simulation module generates according to described population and movable generation module and family flee from the road network structural generation that activity program and described road network build module output and disperse the population, the movement locus (described movement locus refer to each emulation constantly position of vehicle) of vehicle in Traffic Net, go back generation system operating index simultaneously, described system performance measure comprises evacuation speed, be vehicle operating average velocity on road section, (described safety place is specified in advance by modeling personnel not arrive in the same time the number of safety place, such as can be by park, schools etc. are made as safety place), 25% evacuation time (is evacuated 25% population required time, from first personnel, start to flee from 25% personnel and arrive at the required time of safety place), 50% evacuation time (evacuating 50% population required time), 75% evacuation time (evacuating 75% population required time), 95% evacuation time (evacuating 95% population required time), 100% evacuation time (having evacuated entire population's required time) etc.In described microscopic traffic simulation module, the related traffic behavior of movement locus of vehicle comprises that only following with the traffic behavior speeding, freely change and vehicle of vehicle speeded, the traffic behavior in Bu Huan road; In described microscopic traffic simulation module, disperse the population the real-time dynamic information that can provide according to the Law of Disastor Evolution information of the current output of described Law of Disastor Evolution module and emergent traffic evacuation administrative controls and administrative authority more new route, security purpose etc. flee from activity program.
Wherein, in described traffic behavior, vehicle movement model at least comprises the class in two class models below: a class is discrete model, and as cellular Automation Model, a class is continuous model, as Intelligent Driver Model.Described cellular Automation Model and described Intelligent Driver Model are vehicle movement model general in this area, the article Congested Traffic States in Empirical Observations and Microscopic Simulations that traffic system modeling and simulation based on cellular automaton, Martin Treiber that specifically describes the works such as visible Jia Bin etc. delivered, therefore not to repeat here.
Statistical analysis module is according to mean value, minimum value, maximal value, the variance of the system performance measure computing system operating index of described microscopic traffic simulation module output, and export the charts such as the time dependent histogram of described system performance measure, broken line graph, to facilitate user that data are processed, analyzed and report.
Above-described specific embodiment; object of the present invention, technical scheme and beneficial effect are further described; institute is understood that; the foregoing is only specific embodiments of the invention; be not limited to the present invention; within the spirit and principles in the present invention all, any modification of making, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (10)
1. the emergent traffic evacuation system in the region based on movable, is characterized in that, this system comprises: Law of Disastor Evolution module, road network build module, population and movable generation module, microscopic traffic simulation module, animation display module, statistical analysis module, wherein,
Described Law of Disastor Evolution module is for providing propelling in time, the destructiveness of disaster to road section, crossing;
Described road network builds module and is used for creating Traffic Net and activity venue;
Described population and movable generation module build module with described Law of Disastor Evolution module and described road network respectively and are connected, it is for generation of different classes of dispersing the population, and the destructiveness of road section, crossing and described road network are built to the Traffic Net structure of module creation according to the Information of Development of the disaster of described Law of Disastor Evolution module output, disaster, generate corresponding individual and family and flee from activity program;
Described microscopic traffic simulation module builds module with described Law of Disastor Evolution module, described road network respectively and is connected with described population and movable generation module, it flees from for the individual that generates according to described population and movable generation module and family the Traffic Net structure that activity program and described road network build module creation, generation disperse the population by means of different modes of transportation the details motion process in Traffic Net, the i.e. movement locus of population, vehicle and system performance measure;
Described animation display module is connected with described microscopic traffic simulation module, and it is according to population of described microscopic traffic simulation module output, the movement locus of vehicle, on human-computer interaction interface, show intuitively disperse the population, the motion process of vehicle;
Described statistical analysis module is connected with described microscopic traffic simulation module, its according to system performance measure of described microscopic traffic simulation module output the traffic circulation situation when evacuating carry out statistical study.
2. system according to claim 1, it is characterized in that, described Law of Disastor Evolution module adopts XML file layout to store different disaster informations, the scope of specifying disaster to arrive at different time, the population scope affecting, and the destructiveness to road section, crossing.
3. system according to claim 1, it is characterized in that, described road network builds module and creates Traffic Net and playground with graphic user interface form, the attribute of configuration Traffic Net and playground, and provide the amplification of Traffic Net and playground, dwindle, between two parties, show overall function; Described road network builds module and adopts the form of node-arc to describe Traffic Net structure, adopts the form of node to come describing activity place.
4. system according to claim 3, is characterized in that, the attribute of described Traffic Net and playground at least comprises: character and the capacity in road width, lane width, number of track-lines, road speed limit, place; Described playground comprises: residential quarter, office space, school, shopping place, hospital, Recreational places, diet place and refuge.
5. system according to claim 1, it is characterized in that, described population and movable generation module produce all ages and classes section of designated ratio and dispersing the population of sex, wherein, each population individuality is under the jurisdiction of a certain definite family, the Law of Disastor Evolution information that each is individual and family can export according to described Law of Disastor Evolution module, alone whether disaster determine the destruction information of road, or flee from together between some kinsfolk, and further according to the corresponding individual of Traffic Net structural generation and the family of the output of described road network structure module, flee from activity program.
6. system according to claim 5, is characterized in that, described in flee from activity program and comprise and flee from constantly, assemble place and time, flee from path, security purpose ground, the vehicles of taking advantage of.
7. system according to claim 1, it is characterized in that, described system performance measure comprises evacuation speed, evacuates safety place was born and spent, do not arrive in the same time to road network number, 25% evacuation time, 50% evacuation time, 75% evacuation time, 95% evacuation time, 100% evacuation time.
8. system according to claim 1, is characterized in that, in described microscopic traffic simulation module, the related traffic behavior of movement locus of vehicle comprises that only following with the traffic behavior speeding, freely change and vehicle of vehicle speeded, the traffic behavior in Bu Huan road.
9. system according to claim 1, it is characterized in that, in described microscopic traffic simulation module, disperse the population further and can upgrade and flee from activity program according to the Law of Disastor Evolution information of the current output of described Law of Disastor Evolution module and emergent traffic evacuation administrative controls and real-time dynamic information.
10. system according to claim 1, it is characterized in that, mean value, minimum value, maximal value, the variance of the system performance measure computing system operating index that described statistical analysis module is exported according to described microscopic traffic simulation module, and export the time dependent chart of described system performance measure.
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| CN103150608B (en) * | 2013-02-08 | 2016-03-02 | 同济大学 | A kind of region emergency evacuation capability evaluation system |
| CN104750895B (en) * | 2013-12-30 | 2018-01-16 | 深圳先进技术研究院 | Real-time city emergency evacuation emulation method and system based on cell phone data |
| CN104268164A (en) * | 2014-09-09 | 2015-01-07 | 四川九洲电器集团有限责任公司 | Earthquake emergency processing method and system |
| CN104463372B (en) * | 2014-12-17 | 2018-05-08 | 中国科学院自动化研究所 | A kind of traffic evacuation destination part is randomly assigned ratio-dependent method |
| CN106709100B (en) * | 2015-11-17 | 2019-07-23 | 清华大学 | Evacuating personnel emulation mode and device, aid decision-making method and system, emergency platform |
| CN107122874B (en) * | 2017-06-22 | 2021-01-05 | 上海交通大学 | Road control method for urban traffic emergency evacuation |
| CN109636005A (en) * | 2018-11-16 | 2019-04-16 | 北京交通大学 | A kind of city road network Evacuation Strategies optimization method based on microscopic simulation |
| CN113689696B (en) * | 2021-08-12 | 2022-07-29 | 北京交通大学 | Multi-mode traffic collaborative evacuation method based on lane management |
| CN115472001B (en) * | 2022-07-25 | 2023-12-26 | 深圳市城市交通规划设计研究中心股份有限公司 | Stadium man-vehicle traffic evacuation simulation evaluation method, electronic equipment and storage medium |
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| CN101183445A (en) * | 2007-12-20 | 2008-05-21 | 浙江大学 | Personnel evacuation method for municipal traffic under calamity outburst surroundings |
| JP5486939B2 (en) * | 2010-01-26 | 2014-05-07 | 株式会社東芝 | Road traffic situation analysis system |
| CN102058939A (en) * | 2010-08-18 | 2011-05-18 | 清华大学 | Method and system for evaluating building fire situation and instructing evacuation |
| CN201832302U (en) * | 2010-08-18 | 2011-05-18 | 清华大学 | System for evaluating building fire situation and indicating personnel evacuation |
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