CN103049829A - 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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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
What the present invention relates to is a kind of method of technical field of traffic transportation, specifically a kind of town and country passenger traffic gauze and hinge station integral fusion method that satisfies the town and country Integrated Passenger Transportation gauze of town and country demand of passenger transport for generation.
Background technology
Town and country passenger traffic planning is the macroscopic frame to the city in the regional extent and the planning of town and country public transport.Its objective is that upper planning such as coordinating town and country space planning, railway and highway system planning is to the demand for development of town and country passenger traffic, accurately locate, determine town and country passenger traffic developing goal and town and country passenger traffic overall planning strategy, and the coordination of interior each mode of transportation of regional extent, belong to public transport planning and the category of managing.Town and country passenger traffic planning can be divided into town and country passenger traffic strategic planning, operation organizational planning and facilities planning according to the technology degree of depth and the content ownership of planning.Town and country passenger traffic strategic planning comprises the contents such as town and country passenger traffic general developing strategy, development policies and section passenger traffic development strategy; Operation organizational planning comprises the configuration of town and country passenger traffic transport power, gauze operation tissue and the contents such as facilities planning construction sequential and investment estimate; Facilities planning comprises the contents such as Passenger Transport Hub station, town and country Layout, line net design.In conjunction with the characteristics of above-mentioned three classes planning, when carrying out facilities planning, can hinge station Layout and line net design is integrated, namely carry out town and country passenger traffic gauze and hinge station integral fusion.Can consider like this town and country passenger traffic gauze layout, gauze total size, urban and rural residents' trip requirements otherness, can analyze again hinge station node importance degree, design the town and country passenger traffic gauze that meets the collecting and distributing characteristics of town and country passenger flow.
Existing town and country passenger traffic gauze planing method mainly is that method is to carry out traffic zone according to factors such as the regional administrative division of planning, population distribution, road network layouts to divide; 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, determine required town and country public passenger transport Network scale; At last, the assignment of traffic of will going on a journey is made gauze on this basis and is estimated and adjust to town and country public passenger transport gauze.
Said method has practical value at planning Regional Road Network and gauze preliminary planning period, but has limitation in the town and country passenger traffic environment of road network and gauze maturation and hinge station gradual perfection: the ⑴ said method is difficult to use in the existing town and country passenger traffic gauze of further optimization; ⑵ said method can't be considered the attracting passenger flow effect of hinge station in town and country passenger traffic gauze; ⑶ said method is difficult to process the contribution rate that each node is evacuated the attracting passenger flow of gauze in the network; ⑷ when large and road network is comparatively complicated when the planning zone, and said method can't disconnect with the planning and design of hinge station, not too is suitable for the integrated design of town and country passenger traffic gauze and implements.
Summary of the invention
The present invention is directed to the prior art above shortcomings, a kind of town and country passenger traffic gauze and hinge station integral fusion method are proposed, by determine based on hinge station node importance degree thought evaluation node rank, the node set that set up to be used for connects town and country passenger traffic gauze, town and country passenger traffic Network scale, the generation of town and country passenger traffic gauze, gauze and the fusion of hinge station; Wherein: the evaluation node rank has realized the classification to all the passenger traffic Distribution Centers in the plan zone, by evaluation node importance degree and node influence degree, determine whether to choose each node as the network node in gauze and the fusion design of hinge station, and will be selected in node and be divided into hinge type node and station type node, set up the node set that is used for connecting town and country passenger traffic gauze; Town and country passenger traffic Network scale is identified for determining town and country passenger traffic gauze total supply, its objective is in order to satisfy demand of passenger transport total amount between town and country; Passenger traffic gauze in town and country generates and is used for generating passenger traffic gauze layout according to town and country passenger traffic road network layout; Gauze and hinge station merge be used for gauze and hinge station be connected and different gauze between pass through the linking of hinge station.
The present invention is achieved by the following technical solutions, the present invention includes following steps:
The first step, based on hinge station node importance degree thought evaluation node rank: by planning regional population, economy and communications and transportation situation are analyzed, organize requirement according to the town and country public transport, determine that all kinds node is as the node of town and country passenger traffic gauze planning, the node importance degree evaluation method of foundation take node scale, economic strength, Tertiary Industy Development level, transportation condition, geological location as evaluation index, computing node importance degree overall target.
Described all kinds node comprises: city (county) seat of government, town (township) seat of government, important industrial enterprise, large-scale farming and animal husbandry base, economic and technological development zone, location, large-scale fairground, location, important external transport hub, tourist resources point location etc.
Described node scale adopts the size of population of node to weigh.
Described economic strength adopts gross domestic product (GDP) to weigh.
Described tertiary industry level adopts the value-added of the tertiary industry of node to weigh.
Described transportation condition adopts in the road network and weighs by road number and the category of roads of this node.
Described geological location adopts node and planning regional center to concern to weigh.
Described node importance degree evaluation method is to adopt simplex matrix method computing node overall target, and the overall target calculated value is larger, and then the node importance degree is higher, and rank is also higher.
Second step, foundation are used for connecting the node set of town and country passenger traffic gauze, specifically realize by following steps:
2.1) setting node overall target threshold value;
2.2) alternative node is classified according to the hierarchical synthesis metrics-thresholds, generate the node set that is used for connecting town and country passenger traffic gauze.
Described threshold value refers to set overall target minimum and other overall target minimum of definite node level of selected collector node, the node comprehensive index value is lower than the overall target minimum then can't be selected in node set, and the node comprehensive index value is lower than determines that other overall target minimum of node level then can't be chosen as this rank.
The 3rd step, town and country passenger traffic Network scale are determined, specifically refer to: find out the principal element that affects town and country passenger traffic Network scale, utilize the data information of the regional town and country of planning passenger-traffic system development, Network scale and each major influence factors are carried out data fitting, therefrom find out the functional relation of Network scale and each major influence factors, then according to the predicted value of each influence factor at the planning time limit, utilize functional relation to determine that the planning zone is at the required Network scale of the planning time limit.
Described Network scale comprises gauze total length, bus routes, gauze day passenger person-kilometres.
Described influence factor comprises planning regional population, the level of economic development, region area, vehicles owning rate etc. per capita.
The 4th step, town and country passenger traffic gauze generate, and specifically realize by following steps:
4.1) identification in traffic trip corridor: at first plan a year prediction, obtain general population at a specified future date, full mode OD matrix; OD matrix at a specified future date is assigned to by the distance shortest path obtains trip expectation discharge diagram on the road net at a specified future date; According to the magnitude of traffic flow route selection on the trip expectation discharge diagram, determine the traffic trip corridor.
Described traffic trip corridor refers to connect transport channel or the passageway that two interzones also can attract a large amount of passengers.The present invention adopts trip expectation pathway figure method to identify the traffic trip corridor.
4.2) determine the gauze pivot point: identify after the traffic trip corridor trend, choose the gauze pivot point the node set of the town and country passenger traffic gauze that obtains from the evaluation according to the node importance degree, and definite pivot point scale.
Merge the 5th step, gauze and hinge station, specifically refer to: set out with highest-ranking node, to the expansion of its all of its neighbor commuter zone, again with each node in the commuter zone as ground zero, continuation closes on commuter zone to all and does continuous expansion, until reach the line length restriction.To each node that arrives, consider constraint condition and objective function, thereby try to achieve in the possible circuit of the institute that satisfies constraint condition one or several circuit of efficient maximum.
Describedly refer on the position the direct-connected traffic zone of road is arranged in the ground in abutting connection with commuter zone.
Described constraint condition refers to that the implementation to gauze and hinge limits in physical planning.
Described objective function refers to that gauze and hinge station merge the purpose that will reach and need satisfied planning demand in physical planning.
The present invention has introduced the concept that the node importance degree is estimated, and by determining first network node and significance level thereof, carries out town and country passenger traffic line net design again, and optimizes definite network as the basis take passenger flow analysing.Avoid the gauze transportation to have some setbacks, change to the drawbacks such as inconvenience, made the gauze node of generation with the passenger flow collecting and distributing centre be arranged good the linking, be conducive to attract to greatest extent passenger flow.And the present invention has the advantages such as the realization of being easy to, reliability is high, design process is flexible, is convenient to apply in town and country passenger traffic gauze integrated design process.
Description of drawings
Fig. 1 is design flow diagram of the present invention.
Fig. 2 is circuit search procedure synoptic diagram of the present invention.
Fig. 3 is line adjustment synoptic diagram of the present invention.
Embodiment
The below elaborates to embodiments of the invention, and present embodiment is implemented under take technical solution of the present invention as prerequisite, provided detailed embodiment and concrete operating process, but protection scope of the present invention is not limited to following embodiment.
Embodiment 1
As shown in Figure 1, present embodiment comprises:
Adopted the thinking of " decide pivot → knitmesh → layout " to carry out town and country passenger traffic gauze and the design of hinge station integral fusion.
Described " decide pivot → knitmesh → layout " as shown in Figure 1, the evaluation node rank has realized the classification to all the passenger traffic Distribution Centers in the plan zone, by evaluation node importance degree and node influence degree, determine whether to choose each node as the network node in gauze and the fusion design of hinge station, and will be selected in node and be divided into hinge type node and station type node, set up the node set that is used for connecting town and country passenger traffic gauze.Determine town and country passenger transport line grade, gauze total supply, determine Network scale.According to town and country passenger traffic road network layout and merge the addressing of hinge station and scale, generate passenger traffic gauze layout.After hinge station node and town and country passenger traffic gauze merged, according to the public passenger transport network main framing that forms, circuit carried out anchor point laying midway one by one, finally finishes hinge station, town and country and public passenger transport gauze and merges.
The accompanying drawings specific embodiment of the invention.
⑴ based on hinge station node importance degree thought evaluation node rank
Choosing suitable method analyzes, estimates the significance level of node.According to estimating the target that will reach and the relation of index system and destination layer, usually adopt simplex matrix method that the importance degree of node is calculated evaluation:
Be provided with m individual event evaluation index a
1, a
2..., a
m, n alternative node G arranged
1, G
2... G
n, structure discrimination matrix D and C
kCalculate the weight of each index and the value of each node; Check discrimination matrix D and C
kConsistance; Calculate overall target.
For node G
j(j=1,2,3 ..., n), its comprehensive evaluation index V
jFor:
In the formula, W
i---i item index weights;
V
Ij---the value of j node i item index.
COMPREHENSIVE CALCULATING index V
j, calculated value is larger, and then the node rank is higher.
⑵ set up the node set that is used for connecting town and country passenger traffic gauze
The hinge station node of passenger traffic gauze in town and country in the planning zone is the passenger flow collecting and distributing centre that evaluation draws according to the node importance degree, comes predicate node whether can be selected in node set by setting node overall target threshold value, and the predicate node rank.
Selected node can be divided into determinacy hinge station node and hinge to be finalized the design station node.
Described determinacy hinge station node refers to comprise the collecting and distributing node of traffic of coach station, railway station, airport, passenger traffic harbour, public transport station.
Described hinge to be finalized the design station node refers to comprise the collecting and distributing node of resident of country fair, megastore, school, hospital, enterprise etc.
⑶ passenger traffic Network scale in town and country is determined
Form analysis of Influential Factors in conjunction with town and country passenger traffic gauze, consider the factors such as existing decision-making technique feasibility and applicable elements, adopt the draw data to reflect the different practical development situations of each influence factor.Determine town and country passenger traffic Network scale with gauze total length, bus routes, three indexs of gauze day passenger person-kilometres.
Described gauze total length is expressed as:
Wherein, l
iDisregard the line length of repetition (km) for i bar in the gauze, reflected the scale of gauze.
Described bus routes is expressed as:
σ=L/S
Wherein, σ refers to the line size that distributes on the unit area, is the principal element of weighing a regional town and country public passenger transport service level.Wherein, S is town and country passenger traffic gauze planning region area (km2).
Described gauze day, passenger person-kilometres were expressed as:
Wherein, P is the index of assessment town and country passenger traffic gauze ability output.p
iBe the volume of passenger transport per day of i bar circuit, l
iLength (km) for gauze i bar circuit.
⑷ passenger traffic gauze in town and country generates
Under the control of town and country passenger traffic Network scale and macrostructure, passenger traffic corridor, binding analysis gained town and country and hinge station node generate town and country passenger traffic gauze.Road conditions and passenger flow condition need to be satisfied in passenger traffic corridor, wherein said town and country.
Described road conditions refers to that road need to be arranged on state and economize on the county road, and road quality classification is more than three grades.
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 be greater than certain value, and every day is between 5000～6000 person-times.This standard is different different because planning the zone, plans that regional scale is larger, and desired value is larger.
⑸ merge gauze and hinge station
Merge gauze and hinge station namely is that the planning Network scale generates initial gauze, also is concrete trend, the position of terminus and the setting of hinge station of determining circuit.The present invention adopts line alignment search procedure memory gauze and hinge station to merge.
As shown in Figure 2, described line alignment searching algorithm refers to: at first choose the search initial point, define afterwards direction of search weight.Searched for to adjacent node by the search far point, the direction of search is defined as front 4～6 all directions of direction weight maximum according to different geographical form and the road network complexities in planning zone.Searched for simultaneously to these several directions by the search far point, after searching next node, again take the node that searches as new search far point, the node of remembering periphery continues search, the direction of search is that larger direction of selected directions weight still, and does not do in the other direction search and repeat search in search procedure.Search the horizontal trend of radiation line appearance in the plain process for fear of circuit simultaneously, as shown in Figure 3, in constraint condition, introduce the non-linear coefficient threshold value and screen, and again search for to weight time large direction, limit until reach line length.After treating that the node searching of all directions is complete, will search for circuit and connect successively, form the fusion of town and country passenger traffic gauze and hinge station.
Claims (10)
1. a town and country passenger traffic gauze and hinge station integral fusion method, it is characterized in that, method relate to based on hinge station node importance degree thought evaluation node rank, the node set that set up to be used for connects town and country passenger traffic gauze, town and country passenger traffic Network scale determine, the contents such as the generation of town and country passenger traffic gauze, gauze and the fusion of hinge station.
2. method according to claim 1, it is characterized in that: the evaluation node rank has realized the classification to all the passenger traffic Distribution Centers in the plan zone, by evaluation node importance degree and node influence degree, determine whether to choose each node as the network node in gauze and the fusion design of hinge station.
3. method according to claim 2, it is characterized in that: all passenger traffic Distribution Centers comprise: city (county) seat of government, town (township) seat of government, important industrial enterprise, large-scale farming and animal husbandry base, economic and technological development zone, location, large-scale fairground, location, important external transport hub, tourist resources point location.
4. method according to claim 1 is characterized in that: sets up the node set that is used for connecting town and country passenger traffic gauze and is by setting node overall target threshold value, and alternative node is classified to realize according to the hierarchical synthesis metrics-thresholds.
5. method according to claim 4, it is characterized in that: threshold value refers to set overall target minimum and other overall target minimum of definite node level of selected collector node, the node comprehensive index value is lower than the overall target minimum then can't be selected in node set, can't be chosen as this rank and the node comprehensive index value is lower than rank overall target minimum.
6. method according to claim 1, it is characterized in that: passenger traffic Network scale in town and country is determined to find out the principal element that affects town and country passenger traffic Network scale, utilize the data information of the regional town and country of planning passenger-traffic system development, Network scale and each major influence factors are carried out data fitting, therefrom find out the functional relation of Network scale and each major influence factors, then according to the predicted value of each influence factor at the planning time limit, utilize functional relation to determine that the planning zone is at the required Network scale of the planning time limit.
7. method according to claim 6 is characterized in that: Network scale comprises gauze total length, bus routes, gauze day passenger person-kilometres.
8. method according to claim 6 is characterized in that: influence factor comprises planning regional population, the level of economic development, region area, vehicles owning rate per capita.
9. method according to claim 1 is characterized in that: passenger traffic gauze in town and country generates identification and the definite gauze pivot point that need to carry out the traffic trip corridor.
10. method according to claim 9 is characterized in that: the traffic trip corridor refers to the transport channel or the passageway that connect two interzones and can attract a large amount of passengers.
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| CN103714257A (en) * | 2013-12-31 | 2014-04-09 | 北京交通发展研究中心 | Public transportation problematic line recognition technology |
| CN105069522A (en) * | 2015-07-24 | 2015-11-18 | 重庆大学 | Touring line evaluation and improvement method in scenic area |
| CN106373384A (en) * | 2016-09-26 | 2017-02-01 | 福州大学 | Remote area passenger transport regular bus route real-time generation method |
| CN107886195A (en) * | 2017-11-06 | 2018-04-06 | 东南大学 | Networking operation stage increases rail line searching method newly |
| CN108470103A (en) * | 2018-03-22 | 2018-08-31 | 东南大学 | A kind of pivot 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 |
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| 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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| CN103646537A (en) * | 2013-12-31 | 2014-03-19 | 北京交通发展研究中心 | Public traffic route adjustment influence set generation technique |
| CN103714257A (en) * | 2013-12-31 | 2014-04-09 | 北京交通发展研究中心 | Public transportation problematic line recognition technology |
| 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 |
| CN105069522A (en) * | 2015-07-24 | 2015-11-18 | 重庆大学 | Touring line evaluation and improvement method in scenic area |
| CN105069522B (en) * | 2015-07-24 | 2018-08-07 | 重庆大学 | Scenic spot Touring-line evaluation and improved method |
| CN106373384A (en) * | 2016-09-26 | 2017-02-01 | 福州大学 | Remote area passenger transport regular bus route real-time generation method |
| CN107886195A (en) * | 2017-11-06 | 2018-04-06 | 东南大学 | Networking operation stage increases rail line searching method newly |
| CN107886195B (en) * | 2017-11-06 | 2021-07-09 | 东南大学 | Method for searching newly added rail traffic line in networked operation stage |
| CN108470103A (en) * | 2018-03-22 | 2018-08-31 | 东南大学 | A kind of pivot function space layout design method based on Space Syntax |
| CN110675299A (en) * | 2018-07-03 | 2020-01-10 | 北京亿阳信通科技有限公司 | Route planning method and device |
| 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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