CN103049829B - Integrated fusion method of urban and rural passenger line network and hub station - Google Patents
Integrated fusion method of urban and rural passenger line network and hub station Download PDFInfo
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- CN103049829B CN103049829B CN201310016648.3A CN201310016648A CN103049829B CN 103049829 B CN103049829 B CN 103049829B CN 201310016648 A CN201310016648 A CN 201310016648A CN 103049829 B CN103049829 B CN 103049829B
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Abstract
The invention relates to an integrated fusion method of an urban and rural passenger line network and a hub station. The method comprises the following steps of evaluating the node level based on the importance degree of a hub station node; building a node set for connecting the urban and rural passenger line network, determining the urban and rural passenger line network, generating the urban and rural passenger line network, and joining the line network and the hub station. According to the method provided by the invention, the defects that the line network transport is not smooth, the transfer is inconvenient and the like are overcome, the generated line network node and a passenger distribution center are better linked, and passengers are favorably attracted to the utmost extent. The method has the advantages of easiness in implementation, high reliability, flexible design process and the like, and is conveniently popularized and applied in the integrated design process of the urban and rural passenger line.
Description
Technical field
The present invention relates to a kind of method of technical field of traffic transportation, specifically one kind meet town and country visitor for generation
The town and country passenger line network of town and country Integrated Passenger Transportation gauze of fortune demand and hinge station integral fusion method.
Background technology
Town and country passenger traffic planning is the macroscopic frame to the city in regional extent and town and country public transport planning.Its objective is
Coordinate the demand for development to town and country passenger traffic for the upper planning such as urban-rural spatial planning, railway and highway system planning, be accurately positioned, determine town and country
Passenger traffic developing goal and town and country passenger traffics overall planning strategy, and in regional extent each mode of transportation coordination, belong to public friendship
The category that drift is drawn and managed.Town and country passenger traffic planning belongs to according to the technology depth of planning and content, can be divided into town and country passenger traffic
Strategical planning, operation organizational planning and facilities planning.Town and country passenger traffic strategical planning includes town and country passenger traffic general developing strategy, development
The content such as policy and section passenger traffic development strategy；Operation organizational planning includes town and country passenger traffic conveyance equilibrium, gauze operation tissue
And facilities planning construction sequential and the contents such as investment estimate；Facilities planning includes town and country Passenger Transport Hub station Layout, gauze
The contents such as design.In conjunction with the feature of above-mentioned three class planning, when carrying out facilities planning, can be by hinge station Layout and gauze
Design integration, that is, carry out town and country passenger line network and hinge station integral fusion.Town and country passenger line network cloth so can be considered
Office, gauze total size, urban and rural residents' trip requirements otherness, can analyze hinge station pitch point importance again, design and meet
The town and country passenger line network of the collecting and distributing feature of town and country passenger flow.
Existing town and country passenger line network planing method be mainly method be according to planning region administrative division, population distribution,
The factors such as road network layout carry out traffic zone division；Predict passenger flow generation, traffic attraction and the distribution situation of each traffic zone；According to
The full mode trip total amount of the prediction planning time limit, determines required town and country public passenger transport Network scale；Finally, flow of going on a journey divides
It is fitted on town and country public passenger transport gauze, on this basis gauze is made with evaluation and adjusts.
Said method has practical value in planning region road network and gauze preliminary planning period, but becomes with gauze in road network
There is limitation in the ripe and town and country passenger traffic environment of hinge station gradual perfection：(1) said method is difficult to use in and optimizes further
There is town and country passenger line network；(2) said method cannot consider attracting passenger flow effect in the passenger line network of town and country for the hinge station；(3) go up
The method of stating is difficult to process the contribution rate that in network, each node is evacuated to the attracting passenger flow of gauze；(4) when planning region is larger and road network
When complex, said method cannot be disconnected with the planning and designing of hinge station, is poorly suited for town and country passenger line network one
The design changed is implemented.
Content of the invention
The present invention is directed to deficiencies of the prior art, proposes a kind of town and country passenger line network integrated with hinge station
Fusion method, by based on hinge station pitch point importance thought evaluation node rank, set up for connecting town and country passenger line network
Node set, town and country passenger line network scale determines, town and country passenger line network generates, gauze and hinge station are merged；Wherein：Evaluate
Node rank achieves the classification to all passenger traffic Distribution Centers in institute's planning region, by evaluation node importance degree and node shadow
The degree of sound, decides whether to choose each node as the network node in gauze and hinge station Combined design, and by selected section
Point is divided into hinge type node and station type node, sets up the node set for connecting town and country passenger line network；Town and country passenger line network
Scale determines for determining town and country passenger line network total supply, its purpose is to meet demand of passenger transport total amount between town and country；Town and country
Passenger line network generates for generating passenger line network layout according to town and country passenger traffic road network layout；Gauze and hinge station are merged for line
By the linking of hinge station between the linking of net and hinge station and different gauze.
The present invention is achieved by the following technical solutions, and the present invention comprises the following steps：
The first step, be based on hinge station pitch point importance thought evaluation node rank：By to planning region population, economy
It is analyzed with communications and transportation situation, according to town and country public transport organizational requirements, determine all kinds node as town and country passenger traffic
The node of line network planning, sets up with node scale, economic strength, Tertiary Industy Development level, transportation condition, geological location for commenting
The pitch point importance evaluation method of valency index, calculate node importance degree overall target.
Described all kinds node includes：City（County）Seat of government, town（Township）Seat of government, important factories and miness enterprise
Industry, large-scale farming and animal husbandry base, economic development zone, large-scale fairground location, important external transport hub location, tourist resources point
Location etc..
Described node scale to be weighed using the size of population of node.
Described economic strength to be weighed using GDP.
Described tertiary industry level to be weighed using the value-added of the tertiary industry of node.
Described transportation condition is weighed by the road number of this node and category of roads using in road network.
Described geological location to be weighed with planning region center relationship using node.
Described pitch point importance evaluation method is using simplex matrix method calculate node overall target, and overall target calculates
Value is bigger, then pitch point importance is higher, and rank is also higher.
Second step, set up node set for connecting town and country passenger line network, realize especially by following steps：
2.1）Set node overall target threshold value；
2.2）Alternate node is classified according to hierarchical synthesis metrics-thresholds, generates the node for connecting town and country passenger line network
Set.
Described threshold value refers to set the overall target minimum of selected collector node and determines that the other synthesis of node level refers to
Mark minimum, node comprehensive index value then cannot be selected in node set less than overall target minimum, and node comprehensive index value
This rank then cannot be chosen as less than determination node level other overall target minimum.
3rd step, town and country passenger line network scale determine, specifically refer to：Find out impact town and country passenger line network scale main because
Element, using the data information of planning region town and country passenger-traffic system development, carries out data to Network scale and each major influence factors
Matching, therefrom finds out the functional relation of Network scale and each major influence factors, then according to each influence factor in planning year
The predicted value of limit, the Network scale needed for determining planning region in the planning time limit using functional relation.
Described Network scale includes gauze total length, bus routes, gauze day passenger person-kilometres.
Described influence factor include planning region population, the level of economic development, region area, per capita the vehicles have
Rate etc..
4th step, town and country passenger line network generate, and realize especially by following steps：
4.1）The identification in traffic trip corridor：Carry out first planning year prediction, obtain general population at a specified future date, full mode OD square
Battle array；By OD matrix at a specified future date by be assigned on road network at a specified future date apart from shortest path obtain trip expectation flow diagram；According to trip expectation
Magnitude of traffic flow route selection on flow diagram, determines traffic trip corridor.
Described traffic trip corridor refers to transport channel or the mistake connecting two interzones and can attracting a large amount of passengers
Road.The present invention to identify traffic trip corridor using trip expectation pathway figure method.
4.2）Determine gauze pivot point：After identifying traffic trip corridor trend, from being evaluated according to pitch point importance
To town and country passenger line network node set in choose gauze pivot point, and determine pivot point scale.
5th step, gauze and hinge station are merged, and specifically refer to：Set out with highest-ranking node, to its all of its neighbor
Commuter zone extends, then using the node in each adjacent commuter zone as ground zero, continues to do continuous expansion to all commuter zones that close on
Exhibition, until it reaches line length limits.To each node reaching it is considered to constraints and object function, thus trying to achieve full
In the be possible to circuit of sufficient constraints, one or several maximum circuit of efficiency.
Described adjacent commuter zone refers to the traffic zone having road to be directly connected on position in the ground.
Described constraints refers in physical planning, the implementation of gauze and hinge be limited.
Described object function refers to that purpose to be reached and needs are merged in gauze and hinge station in physical planning
The planning demand meeting.
Invention introduces the concept that pitch point importance is evaluated, by first determining network node and its significance level, then enter
The passenger line network design of row town and country, and optimize determination network based on passenger flow analysing.Avoid gauze transport have some setbacks, change
Take advantage of the drawbacks such as inconvenience, so that the gauze node of generation is had with passenger flow collecting and distributing centre and be connected well, be conducive to attracting to greatest extent
Passenger flow.And the present invention has the advantages that to be easily achieved, reliability is high, design process is flexible, is easy in town and country passenger line network one
Popularization and application in body design process.
Brief description
Fig. 1 is the design flow diagram of the present invention.
Fig. 2 is the circuit search method schematic diagram of the present invention.
Fig. 3 is the line adjustment schematic diagram of the present invention.
Specific embodiment
Below embodiments of the invention are elaborated, the present embodiment is carried out under premised on technical solution of the present invention
Implement, give detailed embodiment and specific operating process, but protection scope of the present invention is not limited to following enforcements
Example.
Embodiment 1
As shown in figure 1, the present embodiment includes：
Employ the thinking of " determine pivot → knitmesh → layout " to carry out town and country passenger line network and hinge station integral fusion
Design.
Described " determine pivot → knitmesh → layout " is as shown in figure 1, evaluation node rank achieves in institute's planning region
The classification of all passenger traffic Distribution Centers, by evaluation node importance degree and node influence degree, decides whether that choosing each node makees
For the network node in gauze and hinge station Combined design, and selected node is divided into hinge type node and station type node,
Set up the node set for connecting town and country passenger line network.Determine town and country passenger transport line grade, gauze total supply, determine gauze
Scale.According to town and country passenger traffic road network layout and merge the addressing of hinge station and scale, generate passenger line network layout.Hinge station is saved
After point is merged with town and country passenger line network, according to the public passenger transport network main framing being formed, circuit carries out midway anchor point one by one
Lay, be finally completed town and country hinge station and merge with public passenger transport gauze.
The specific embodiment of the invention is described with reference to the drawings.
(1) it is based on hinge station pitch point importance thought evaluation node rank
Choose suitable method the significance level of node is analyzed, evaluates.According to evaluate target to be reached with
And index system and the relation of destination layer, generally Calculation Estimation is carried out to the importance degree of node using simplex matrix method：
It is provided with m single item evaluation index a1,a2,…,am, have n alternate node G1,G2,…Gn, construction discrimination matrix D and
Ck；Calculate the weight of each index and the value of each node；Inspection discrimination matrix D and CkUniformity；Calculate overall target.
For node Gj(j=1,2,3 ..., n), its comprehensive evaluation index VjFor：
In formula, WiI-th index weights；
VijThe value of i-th index of j-th node.
COMPREHENSIVE CALCULATING index Vj, calculated value is bigger, then node rank is higher.
(2) set up the node set for connecting town and country passenger line network
Hinge station node in planning region for the town and country passenger line network is the passenger flow being drawn according to pitch point importance evaluation
Collecting and distributing centre, by setting whether node overall target threshold value can be selected in node set come predicate node, and predicate node
Rank.
Selected node can be divided into certainty hinge station node and undetermined type hinge station node.
Described certainty hinge station node refers to coach station, railway station, airport, passenger traffic harbour, public transport
Station is in interior traffic DCS control.
Described undetermined type hinge station node refers to country fair, megastore, school, hospital, enterprise etc. and exists
Interior resident's DCS control.
(3) passenger line network scale in town and country determines
Form analysis of Influential Factors in conjunction with town and country passenger line network it is considered to existing decision-making technique feasibility and applicable elements etc. because
Element, using draw data reflection each influence factor difference practical development situation.With gauze total length, bus routes, gauze day visitor
Fortune three indexs of volume of the circular flow determine town and country passenger line network scale.
Described gauze total length is expressed as：
Wherein, liFor i-th line length disregarding repetition in gauze（km）, reflect the scale of gauze.
Described bus routes is expressed as：
σ=L/S
Wherein, σ refers to the line size of distribution in unit area, is to weigh a regional town and country public passenger transport service level
Principal element.Wherein, S is town and country passenger line network planning region area（km2）.
Described gauze day passenger person-kilometres are expressed as：
Wherein, P is the index of assessment town and country passenger line network ability output.piFor the volume of passenger transport per day on i-th line road, liFor line
The length on net i-th line road（km）.
(4) town and country passenger line network generates
Under the control of town and country passenger line network scale and macrostructure, binding analysis gained town and country urban passenger transport corridor and pivot
Knob station node, generates town and country passenger line network.Wherein said town and country urban passenger transport corridor needs to meet road conditions and passenger flow
Condition.
Described road conditions refer to that road needs to be arranged on province of state county road, and road quality classification is more than three-level.
Described passenger flow condition refers to that the volume of the flow of passengers of town and country public passenger transport should reach certain standard, and prediction section flow should
More than certain value, daily between 5000～6000 person-times.This standard is different because planning region is different, and planning region scale is got over
Greatly, desired value is bigger.
(5) gauze and hinge station are merged
It is that planning Network scale generates initial gauze that gauze and hinge station are merged, and is also to determine specifically walking of circuit
Setting to, the position of terminus and hinge station.The present invention is melted with hinge station using line alignment search method memory gauze
Close.
As shown in Fig. 2 described line alignment searching algorithm, refer to：Choose search initial point first, define searcher afterwards
To weight.Searched for from search far point to adjacent node, the direction of search is complicated according to the different geographical form of planning region and road network
Degree, is defined as maximum front 4～6 all directions of direction weight.Simultaneously scanned for from search far point to these directions, when searching
After next node, then be new search far point with the node searching, remember that the node of periphery continues search for, the direction of search according to
So that larger direction of selected directions weight, and do not do opposite direction search and repeat search in search procedure.Simultaneously in order to
During avoiding circuit to search element, laterally moving towards occurs in radiation line, as shown in figure 3, introducing non-linear coefficient threshold in constraints
Value is screened, and again to the direction search that weight time is big, until it reaches line length limits.Treat that the node of all directions is searched
After rope finishes, searching of line is sequentially connected, forms the fusion of town and country passenger line network and hinge station.
Claims (1)
1. a kind of town and country passenger line network and hinge station integral fusion method are it is characterised in that method is related to based on hinge
Station pitch point importance thought evaluation node rank, set up for connect town and country passenger line network node set, town and country passenger traffic line
The relevant content that network planning mould determines, town and country passenger line network generates, gauze is merged with hinge station；It is right that evaluation node rank achieves
The classification of all passenger traffic Distribution Centers in institute's planning region, by evaluation node importance degree and node influence degree, decides whether
Choose each node as the network node in gauze and hinge station Combined design；
Described passenger traffic Distribution Center includes：City/county government location, town/country government location, important industrial enterprise, large-scale agriculture
Livestock breeding areas, economic development zone, large-scale fairground location, important external transport hub location, tourist resources point location；
Described setting up for the node set connecting town and country passenger line network is by setting node overall target threshold value, and will be standby
Node is selected to realize according to node overall target threshold classification；
Described node overall target threshold value refers to set the overall target minimum of selected collector node and determines node rank
Overall target minimum, node comprehensive index value then cannot be selected in node set less than overall target minimum, and node is comprehensive
Close desired value and cannot be chosen as this rank less than rank overall target minimum；
Described town and country passenger line network scale determines to be needed to find out the major influence factors of town and country passenger line network scale, using planning
The data information of region town and country passenger-traffic system development, carries out data matching to Network scale and each major influence factors, therefrom looks for
Go out the functional relation of Network scale and each major influence factors, then according to each major influence factors in the prediction planning the time limit
Value, the Network scale needed for determining planning region in the planning time limit using functional relation；
Described Network scale includes gauze total length, bus routes, gauze day passenger person-kilometres, wherein：Gauze total length isWherein：liFor i-th line length disregarding repetition in gauze, unit is km；Gauze total length reflects gauze
Scale；Bus routes is：σ=L/S, wherein：σ refers to the line size of distribution in unit area, and S advises for town and country passenger line network
Draw region area, unit is km2, bus routes is to weigh the principal element of a regional town and country public passenger transport service level；Line
Netting day passenger person-kilometres is：Wherein：P is the index of assessment town and country passenger line network ability output, piFor i-th line
The volume of passenger transport per day on road, liFor the length on gauze i-th line road, unit is km；
Described influence factor includes planning region population, the level of economic development, region area, per capita vehicles owning rate；
Described town and country passenger line network generates the identification needing to carry out traffic trip corridor and determination gauze pivot point；
Described traffic trip corridor refers to transport channel or the passageway connecting two interzones and can attracting a large amount of passengers；
Described pitch point importance, is calculated by simplex matrix method, specially：When there being m single item evaluation index a1,
a2,…,am, have q alternate node G1,G2,…Gq, construct discrimination matrix D and Ck；Calculate weight and each node of each index
It is worth；Inspection discrimination matrix D and CkUniformity；Calculate overall target；
For node Gy, y=1,2,3 ..., q, its comprehensive evaluation index VyFor：Wherein：WxFor xth item
Index weights, VxyValue for y-th node xth item index.
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| CN103646537B (en) * | 2013-12-31 | 2015-12-30 | 北京交通发展研究中心 | A kind of public transport line adjustment affects set creation method |
| CN103714257B (en) * | 2013-12-31 | 2017-07-28 | 北京交通发展研究中心 | A kind of public transport problem identification of lines technology |
| CN105069522B (en) * | 2015-07-24 | 2018-08-07 | 重庆大学 | Scenic spot Touring-line evaluation and improved method |
| CN106373384B (en) * | 2016-09-26 | 2018-10-09 | 福州大学 | Outlying district regular bus circuit Real-time Generation |
| CN107886195B (en) * | 2017-11-06 | 2021-07-09 | 东南大学 | Method for searching newly added rail traffic line in networked operation stage |
| CN108470103B (en) * | 2018-03-22 | 2021-11-12 | 东南大学 | Hub function space layout design method based on space syntax |
| CN110414808A (en) * | 2019-07-11 | 2019-11-05 | 上海交通大学 | It is a kind of based on Annoyance Index to the evaluation method of subway station pedestrian's service level |
| CN114662854A (en) * | 2022-02-25 | 2022-06-24 | 中铁第一勘察设计院集团有限公司 | Oil spill model-based land bridge channel hub node radiation range division method |
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| AT500832B1 (en) * | 2004-10-13 | 2007-06-15 | Rudolf Dr Stricker | METHOD AND DEVICE FOR REGULATING TRAFFIC STREAMS |
| CN102169606B (en) * | 2010-02-26 | 2013-05-01 | 同济大学 | Method for predicting influence of heavy passenger flow of urban rail transit network |
| CN102122434B (en) * | 2011-01-24 | 2013-07-24 | 浙江工业大学 | Urban public transport network optimization method capable of improving overall transfer performance |
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