CN104134099A - Emergency pick-up location setting method for emergency evacuation - Google Patents
Emergency pick-up location setting method for emergency evacuation Download PDFInfo
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- CN104134099A CN104134099A CN201410346427.7A CN201410346427A CN104134099A CN 104134099 A CN104134099 A CN 104134099A CN 201410346427 A CN201410346427 A CN 201410346427A CN 104134099 A CN104134099 A CN 104134099A
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- evacuation
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Abstract
The invention discloses an emergency pick-up location setting method for emergency evacuation. According to the method, an evacuation region is divided into a plurality of evacuation cells; then, emptier public regions in the evacuation cells are selected to be used as standby pick-up locations; the shortest walking distance from the mass center of each evacuation cell to each standby pick-up location in the evacuation cell is calculated; the standby pick-up location with the shortest walking distance in each cell is selected to be used as the emergency pick-up location of the cell; and evacuation pick-up location indicating sign boards, media and the like are matched for propagandizing the positions of the emergency pick-up locations and arriving methods to the masses in the evacuation cells. The method provided by the invention has the advantages that the concentration speed of the masses during the emergency evacuation can be accelerated; the evacuation can be timely realized through passenger carrying by buses; and the generation of confusion conditions is prevented, so that the rescue is in time, and the loss is reduced.
Description
Technical field
The present invention relates to the method for Public Establishment Location Selection, particularly the method to set up of public transport assembly place under a kind of emergency evacuation condition.
Background technology
Along with the development of human society, physical environment is destroyed, and social contradications are outstanding, and artificial naturally sudden Disaster Event takes place frequently.When sudden Disaster Event occurs, government department need take emergency measures in time, and the crowd of hazardous location is dispersed into safety zone as early as possible.In emergency evacuation, low action edge crowd's evacuation problem can not be ignored.
So-called low action edge crowd comprise without the crowd of private motor vehicles and and have out of use crowd of private motor vehicles, mostly be old man, child, the poor, disabled person and visitor etc., wherein most people do not have the reliable vehicles, extremely rely on the public breakdown lorry of NGO and help it to withdraw.Chinese population quantity is large, density is high, and motor vehicle owning rate is low, only relies on private motor vehicles to evacuate and hardly may.And that public transit vehicle has freight volume is large, driver's technology specialty, is easy to the features such as management and running, is applicable to low action edge crowd to evacuate.
When using public transit vehicle to carry out region evacuation, carry out for convenience the scheduling of public transit vehicle, Ordering hazardous location personnel withdraw, improve the efficiency of evacuating operation, can first concentrate being dispersed in the Evacuation area Evacuation for the treatment of everywhere, for it provides the public place of waiting for emergency vehicles, this class emergency services facility is evacuated assembly place exactly.So evacuating assembly place addressing is the key of public transport emergency evacuation planning problem, it is the basis of the various aspects such as the allotment of public transport transport power, evacuation information are issued, temporary line arranges.During current urban public utilities are built, not yet public transport assembly place is included in to build and considered category, people are when running into emergency condition and need to gather, because evacuation personnel are randomly dispersed in Evacuation area, cause that to carry process time long, vehicle may not carry the full Evacuation area of just leaving, so evacuation efficiency is low, the evacuation personnel that are simultaneously dispersed in everywhere also can, to trip generation adverse effect, become problem demanding prompt solution therefore how to configure public transport assembly place in urban public utilities in passing through the process of road.
Summary of the invention
The technical matters solving: for the deficiencies in the prior art, the present invention proposes the public transport assembly place method to set up that a kind of emergency evacuation is used, and solves in existing housing estate development, public transport assembly place not to be set and to cause the masses' poor and low technical matters of set evacuation efficiency of the sense of organization of alarming.
Technical scheme: for solving the problems of the technologies described above, the present invention by the following technical solutions:
The public transport assembly place method to set up that emergency evacuation is used, comprises and sequentially carries out following steps:
Step 1: divide and evacuate community;
Step 2: determine alternative assembly place and position in each evacuation community;
Step 3: calculate the shortest walking distance of evacuating each alternative assembly place in barycenter Dao Gai community, community, evacuate in community and select the shortest corresponding alternative assembly place of walking distance as the public transport assembly place of this community at each;
Step 4: set up and evacuate assembly place indicating signboard at place, public transport assembly place.
The present invention is divided into evacuation community by Evacuation area and carries out evacuating personnel, and arrange and evacuate assembly place indicating signboard, targetedly the personnel that belong in same evacuation community are focused on to the public transport assembly place in this community, prevent the state of evacuation personnel in disperseing, improve evacuation efficiency.
Further, in the present invention, the method that community is evacuated in the division of step 1 is as follows, take turnpike road as border, Evacuation area is divided into each and evacuates community.The personnel that can avoid like this evacuating in community concentrate on major trunk roads, thereby abdicate major trunk roads for outside bus and other breakdown lorrys and personnel's turnover, have improved traffic efficiency.
Further, in the present invention, in step 2, the system of selection of alternative assembly place is as follows: the public place that has ward in selection evacuation community is alternative assembly place.Do not need to skim separately one as the place of public transport assembly place, directly utilize spacious public place to serve as, do not affect the effect of public place at ordinary times, public place is at ordinary times for people's process normally simultaneously, and the evacuation assembly place indicating signboard of setting up can play certain propaganda function.
Further, in the present invention, by evacuating the shortest path length of each alternative assembly place in barycenter Dao Gai community, community in dijkstra's algorithm calculation procedure 3, be the shortest walking distance.Dijkstra's algorithm is typical single source shortest path first, for calculating a node to the shortest path of other all nodes.Therefore, on basis in the public place of evacuating the existing spaciousness in community as alternative assembly place, in conjunction with the computing method of science, using and evacuate community barycenter and select most suitable alternative assembly place as final public transport assembly place to the short line of alternative assembly place as standard.Select evacuation community barycenter to bring into calculating is to consider fair principle, and the public transport assembly place of electing thus minimizes as much as possible to the difference of the distance of each position, whole evacuation community.
Further, in the present invention, set behind public transport assembly place, guiding direction post is set on branch road.The convenient evacuation personnel in each branch road periphery find rapidly public transport assembly place under the guide of guiding direction post.
Further, in the present invention, set behind public transport assembly place, regularly by broadcast, mobile communication, internet, to the masses, issue the information that set up public transport assembly place.Utilize various media, carrying out propaganda work at ordinary times to the masses, it is flurried to concentrate to public transport assembly place when emergent, not cause.
Beneficial effect:
The inventive method focuses on a fixed-site by evacuation personnel by evacuating community, make emergency evacuation public transit vehicle can directly arrive corresponding location, carry and transport it after evacuation personnel and leave Evacuation area, when improving evacuation efficiency, the abundant use that also can guarantee to evacuate public transit vehicle;
The inventive method is divided and is evacuated community by main line network, in each community, set up separately one to evacuate assembly place, make evacuation personnel arrive this process of assembly place and complete in evacuation inside, community, need not pass through turnpike road, thereby reduce the interference of evacuation personnel to main line traffic;
The inventive method, can play vital effect to the promptness of rescue so that personnel's concentrated and evacuation is all accomplished to carry out in order under emergency rating, is conducive to loss to reduce.
In sum, in this patent, divide the method for evacuating community, and in each community, choose an assembly place, it is all innovations of the present invention that evacuation personnel can only complete in inside, community centralized procedure; Compared with prior art, concrete executive measure has also been proposed in this patent, and the supporting indicating signboard that designed, scheme is more perfect, more has practical operation to be worth.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the public transport assembly place method to set up in emergency evacuation situation of the present invention;
Fig. 2 is case study on implementation Evacuation area transportation network schematic diagram;
Fig. 3 is public transport assembly place indicating signboard schematic diagram.
Embodiment
Below in conjunction with accompanying drawing, the present invention is further described.
As shown in Figure 2, be the schematic diagram of certain Evacuation area.
Carry out for convenience evacuation planning, according to the turnpike road network of Evacuation area, Evacuation area is separated into the different plane geometric shape of shape size, in the present invention by this by each trunk roads, be that sealing zonule that the heavy line shown in Fig. 2 surrounds is called and evacuates community.
Evacuating community barycenter is the geometric center of evacuating community.The distribution of transport need in transportation network differs, and in traffic programme, for simplifying the complexity of traffic distribution, conventionally the barycenter of traffic zone regarded approx as to the end points of all trips.In the present invention, public transport evacuation demand is a kind of of transport need, therefore will evacuate community barycenter, as public transport, evacuates demand point, selects from the nearest alternative assembly place of demand point as public transport assembly place.
When using public transit vehicle to carry out region evacuation, need first by being dispersed in the Evacuation area Evacuation for the treatment of everywhere, first to concentrate, for it provides the public place of waiting for emergency vehicles, it arrives refuge or safety area reallocation vehicles drive, and this class is concentrated the emergency services facility of Evacuation to be called and evacuated assembly place in hazardous location.In Evacuation area, have larger area ward, public place or the facility that can hold a large amount of personnel and public transit vehicle can be as alternative assembly places, as school, gymnasium, square, station etc.Decision maker selects suitable place as evacuating assembly place, for emergency evacuation from alternative assembly place.
Evacuate community and refer to and evacuate the shortest path length that community barycenter arrives each alternative assembly place to the shortest walking distance between each alternative assembly place, evacuate the shortest length sum of the road that is connected between community barycenter and alternative assembly place.For convenience of calculating, it is considered herein that: 1) evacuate the community barycenter intersection node nearest with it and be connected, and connecting line length value is 0, in Fig. 2, with virtual link line, represent; 2) position, alternative assembly place is the section intersection node place nearest with it.
Dijkstra's algorithm is for solving the efficient algorithm of critical path problem, for solving two specified point v of network G
ito v
jshortest path, also can be in the hope of a certain specified point in network G to the shortest path on other each summits.
Suppose being expressed as of network G:
G＝(V,E,W)
Wherein E is section collection, and V is vertex set, and V={v
1, v
2..., v
p, number of vertices | V|=p.W represents section power set, and further uses w
ijrepresent section (v
i, v
j) power, can be length or running time etc., obvious w
ij>=0, and if
w
ij=∞.With d (v
j) represent from v
1to v
jonly allow through selecting the weights of the shortest path on summit, shortest route problem is asks v in network G
1to the shortest path on other each summits, respective algorithms step is as follows:
The first step: initialization problem, makes d (v
1)=0, d (v
j)=w
1j(j=2,3 ..., p), searched vertex set S={v
1, the residue vertex set R=V except the summit having found S={v
2, v
3... v
p;
Second step: find a vertex v in residue vertex set R
k, make: d (v
k)=min{d (v
j), put S=S ∪ { v
k, R=V S, if
algorithm stops, otherwise forwards the 3rd step to;
The 3rd step: revise d (v
j), to each v in R
j, make d (v
j)=min{d (v
j), d (v
k)+w
kj, then come back to second step;
This algorithm through | V|-1 time circulation after, all summits are selected, d (v
j) (j=1,2 ..., final value p) is from vertex v
1to all the other each vertex v
j(j=1,2 ..., shortest path length p).
Utilize this algorithm to calculate a concrete network below.
The network that Evacuation area as shown in Figure 2 forms, in figure, heavy line represents main line network, and fine line represents secondary distributor road and branch network, and circled represents that crossing is said summit in dijkstra's algorithm, and wherein solid circles represents alternative assembly place.By the main line network that represents Evacuation area turnpike road, network is divided into 3 and evacuates community, evacuate the 1-3 that is numbered of community, evacuate community center of mass point and be respectively Q1, Q2, Q3, in figure, with solid △, represent, and each evacuation community barycenter is connected by the virtual link line intersection node nearest with it.In network, comprise 12 alternative assembly places, representative is dispersed in the public place that has ward everywhere respectively, and numbering is respectively 2,10,15,20,21,25,27,39,42,48,53,54.Evacuate community division and alternative assembly place situation as shown in table 1 below, in table 1, evacuate several summits of this evacuation community of numeral in cell boarder one hurdle, in network, each road section length value is as shown in table 2 below, the summit at these two ends, section of numeral in table 2 in one hurdle, section.
Table 1
Table 2
| Section | Length | Section | Length | Section | Length | Section | Length | Section | Length |
| 1,2 | 16.5 | 2,3 | 19.5 | 3,4 | 15.9 | 4,5 | 30 | 5,6 | 24.9 |
| 7,8 | 14.5 | 8,9 | 21.5 | 9,10 | 15.9 | 10,11 | 22.0 | 11,12 | 32.8 |
| 14,15 | 11.2 | 15,16 | 24.8 | 16,17 | 15.9 | 17,18 | 22.0 | 18,19 | 32.8 |
| 19,20 | 16.3 | 20,21 | 18.9 | 21,22 | 21.8 | 23,24 | 11.2 | 24,25 | 24.9 |
| 25,26 | 15.9 | 26,27 | 22.0 | 27,28 | 29.0 | 28,29 | 22.3 | 29,30 | 18.9 |
| 30,31 | 21.8 | 32,33 | 11.5 | 33,34 | 24.8 | 34,35 | 15.9 | 35,36 | 18.3 |
| 36,37 | 25.3 | 38,39 | 11.2 | 39,40 | 24.8 | 40,41 | 15.9 | 41,42 | 16.3 |
| 42,43 | 24.4 | 43,44 | 30.4 | 44,45 | 18.9 | 45,46 | 21.8 | 47,48 | 11.2 |
| 48,49 | 24.8 | 49,50 | 15.9 | 50,51 | 16.6 | 51,52 | 24.8 | 52,53 | 26.2 |
| 53,54 | 23.9 | 54,55 | 21.8 | 56,57 | 11.2 | 57,58 | 24.8 | 58,59 | 15.9 |
| 59,60 | 16.3 | 60,61 | 24.4 | 61,62 | 22.7 | 62,63 | 26.6 | 63,64 | 21.8 |
| 1,7 | 13.8 | 2,8 | 13.9 | 3,9 | 13.8 | 4,10 | 13.8 | 5,11 | 15.7 |
| 6,12 | 13.8 | 6,13 | 40.6 | 7,14 | 19.1 | 8,15 | 19.3 | 9,16 | 19.1 |
| 10,17 | 19.1 | 11,18 | 19.1 | 12,19 | 19.1 | 12,20 | 25.1 | 13,21 | 12.5 |
| 13,22 | 25.1 | 14,23 | 16.1 | 15,24 | 16.1 | 16,25 | 13.5 | 17,26 | 12.1 |
| 18,27 | 12.1 | 19,28 | 12.6 | 20,29 | 21.6 | 21,30 | 21.6 | 22,31 | 21.6 |
| 23,32 | 12.8 | 24,33 | 15.3 | 25,34 | 18.0 | 26,35 | 19.4 | 27,36 | 19.7 |
| 28,37 | 20.8 | 29,44 | 19.6 | 30,45 | 19.6 | 31,46 | 19.6 | 32,38 | 12.2 |
| 33,39 | 9.7 | 34,40 | 9.7 | 35,41 | 9.7 | 36,42 | 9.9 | 37,43 | 10.2 |
| 38,47 | 13.0 | 39,48 | 13.0 | 40,49 | 13.0 | 41,50 | 13.0 | 42,51 | 16.2 |
| 43,52 | 20.2 | 44,53 | 25.1 | 45,54 | 29.1 | 46,55 | 29.1 | 47,56 | 28.0 |
| 48,57 | 28.0 | 49,58 | 28.0 | 50,59 | 28.0 | 51,60 | 24.9 | 52,61 | 20.8 |
| 53,62 | 16.6 | 54,63 | 11.9 | 55,64 | 11.9 | - | - | - | - |
With dijkstra's algorithm, calculate the shortest distance matrix of respectively evacuating between inner alternative assembly place, barycenter Dao Gai community, community, as shown in table 3 below.
Table 3
According to the shortest above-mentioned walking distance, No. 1 community selects No. 10 alternative assembly places as public transport assembly place, No. 2 community selects No. 53 alternative assembly places as public transport assembly place, No. 3 community selects No. 48 alternative assembly places as public transport assembly place, then in the porch of No. 10, No. 2, No. 3 public transport assembly places, set up indicating signboard, as shown in Figure 3, and issue the information that set up public transport assembly place, organize personnel in Evacuation area to evacuate.
The above is only the preferred embodiment of the present invention; be noted that for those skilled in the art; under the premise without departing from the principles of the invention, can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (6)
1. the public transport assembly place method to set up that emergency evacuation is used, is characterized in that: comprise and sequentially carry out following steps:
Step 1: divide and evacuate community;
Step 2: determine alternative assembly place and position in each evacuation community;
Step 3: calculate the shortest walking distance of evacuating each alternative assembly place in barycenter Dao Gai community, community, evacuate in community and select the shortest corresponding alternative assembly place of walking distance as the public transport assembly place of this community at each;
Step 4: set up and evacuate assembly place indicating signboard at place, public transport assembly place.
2. the public transport assembly place method to set up that emergency evacuation according to claim 1 is used, is characterized in that: the method that community is evacuated in the division of step 1 is as follows, take turnpike road as border, Evacuation area is divided into each and evacuates community.
3. the public transport assembly place method to set up that emergency evacuation according to claim 1 is used, is characterized in that: in step 2, the system of selection of alternative assembly place is as follows: the public place that has ward in selection evacuation community is alternative assembly place.
4. the public transport assembly place method to set up that emergency evacuation according to claim 1 is used, is characterized in that: by evacuating the shortest path length of each alternative assembly place in barycenter Dao Gai community, community in dijkstra's algorithm calculation procedure 3, be the shortest walking distance.
5. the public transport assembly place method to set up that emergency evacuation according to claim 1 is used, is characterized in that: set behind public transport assembly place, guiding direction post is set on branch road.
6. the public transport assembly place method to set up that emergency evacuation according to claim 1 is used, is characterized in that: set behind public transport assembly place, regularly by broadcast, mobile communication, internet, to the masses, issue the information that set up public transport assembly place.
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Cited By (4)
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| CN105590289A (en) * | 2016-01-05 | 2016-05-18 | 南京工业大学 | Urban earthquake emergency evacuation site selection method |
| CN111462478A (en) * | 2019-01-22 | 2020-07-28 | 北京中合云通科技发展有限公司 | Method and device for dividing urban road network signal control subareas |
| CN112071095A (en) * | 2020-06-30 | 2020-12-11 | 合肥工业大学 | Signal timing method for emergency vehicle passing intersection based on V2X technology |
| CN112382047A (en) * | 2020-11-16 | 2021-02-19 | 成都中科大旗软件股份有限公司 | Geological disaster monitoring and early warning system |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105590289A (en) * | 2016-01-05 | 2016-05-18 | 南京工业大学 | Urban earthquake emergency evacuation site selection method |
| CN105590289B (en) * | 2016-01-05 | 2019-08-23 | 南京工业大学 | A kind of URBAN EARTHQUAKE emergency evacuation Site Selection method |
| CN111462478A (en) * | 2019-01-22 | 2020-07-28 | 北京中合云通科技发展有限公司 | Method and device for dividing urban road network signal control subareas |
| CN111462478B (en) * | 2019-01-22 | 2021-07-27 | 北京中合云通科技发展有限公司 | Method and device for dividing urban road network signal control subareas |
| CN112071095A (en) * | 2020-06-30 | 2020-12-11 | 合肥工业大学 | Signal timing method for emergency vehicle passing intersection based on V2X technology |
| CN112071095B (en) * | 2020-06-30 | 2021-07-30 | 合肥工业大学 | Signal timing method for emergency vehicle passing intersection based on V2X technology |
| CN112382047A (en) * | 2020-11-16 | 2021-02-19 | 成都中科大旗软件股份有限公司 | Geological disaster monitoring and early warning system |
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