CN101388050A - Method for implementing auto making city rail train diagram - Google Patents
Method for implementing auto making city rail train diagram Download PDFInfo
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- CN101388050A CN101388050A CNA2008102004868A CN200810200486A CN101388050A CN 101388050 A CN101388050 A CN 101388050A CN A2008102004868 A CNA2008102004868 A CN A2008102004868A CN 200810200486 A CN200810200486 A CN 200810200486A CN 101388050 A CN101388050 A CN 101388050A
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Abstract
The invention relates to a method for realizing automatically compiling train working diagrams of the urban rail train, which comprises configuring basic parameters required by compilation, configuring ideal running intervals of each time period in one day, adjusting ranges of the time periods, determining starting time and terminal time of each running line, pre-connecting the running lines, regulating the starting point according to the number of rolling stock, compiling running lines of entering/exiting the garage of the train, and then diagramming a train working diagram. Compared with the prior art, the method has the advantages that, by regulating the time periods into integral multiple of the running intervals, the balance of diagramming transient running line of the peak hours and the non-peak hours is guaranteed, further, the compiling software is enabled to automatically diagram urban rail train working diagrams with balanced running intervals and capability of furthest meeting requirements of passenger flow in various time periods under restriction of conditions of the number of rolling stock, reentrant time, reentrant mode and the like, thereby significantly increasing the compiling efficiency of train working diagrams to be adaptable to requirements of train working diagram regulation along with variation of passenger flow, technical equipments and transport organizing methods.
Description
Technical field
The present invention relates to a kind of method of computer realization auto making city rail train diagram, belong to the computer-aided design (CAD) research field, relate in particular to a kind of method that realizes auto making city rail train diagram.
Background technology
Route map of train is that utilization coordinate principle is represented train operation a kind of graphic mode constantly, the horizontal ordinate express time of route map of train, and ordinate is represented distance, and represents the position of center line at each station with horizontal line; Represent the up train with upper right oblique line on service chart, represent down train with the bottom right oblique line, train path and horizontal intersection point are exactly that train arrives at a station at each station, leaving from station or time of passing through.
In railway transport field, research starting on train diagram establishment and the optimization problem relatively early, and setting up than horn of plenty and perfect mathematical theory and computing method aspect the regional Research on Related Problems of single line, two-wire, hinge of existing railway, its relevant computing machine compilation software also is mature on the whole.Compare with railway, city rail passenger flow flow is big, big, the interim peak of variation is obvious; Distance is short between the path way station of city, train cross-channel kind is many, go out warehouse-in frequently at the bottom of the car.Therefore, compare with the establishment of train schedule chart, the establishment of city rail train figure has the complicacy of himself.At present, existing document is to the city rail train plan both at home and abroad, especially train diagram establishment research theoretical and the method aspect is fewer, and the establishment of city rail train figure is finished by the artificial dependence experience and the third party's instruments such as AutoCAD, Excel of using mostly.Work out a route map of train, workload is big, wastes time and energy, and is difficult to adapt to the needs that the track train service chart is adjusted with the variation of passenger flow, technical equipment, transportation method for organizing.Therefore, the establishment theory of research city rail train figure and implementation method have important theory and practical significance to improving city rail transportation liver mass.
Route map of train is made up of some fundamentals, in order to work out route map of train, must at first determine these key elements.Will have of route map of train:
Basis time-division standard: comprise data such as operation scale, the scale that stops, tracking interval time, reciprocal time, various interval times.
The Train Interval time: the Train Interval time is determined according to passenger flow characteristics in a day.Definition t
iBe that its computing formula is by the operation of section at interval i time in one day:
Wherein, m is a train marshalling list quantity, and unit is/row; P is a train seating capacity, the unit behaviour/; ρ
iLoad factor for time period i; M
iBe the tunnel cross-section passenger flow of time period i, the unit behaviour/hour.
The utilization cycle at the bottom of the car: train is being specified the T.T. that operation was spent in one week between the starting of cross-channel, Zhongdao station.This time by train operation time-division, the time-division of stopping and train start, reciprocal time four parts of terminal station form.In general, for given starting scheme, the train operation time-division and the time-division of stopping are fixed substantially, and therefore, the utilization cycle mainly is subjected to the influence of reciprocal time at the bottom of the car.If reciprocal time is got minimum reciprocal time, then at the bottom of the car utilization cycle for dolly at the bottom of the utilization cycle.
Need quantity at the bottom of the car: satisfying needed number of allocated passenger trains amount under given operation condition interval time.Need the operation of quantity and train to be inversely proportional to interval time at the bottom of the car, be directly proportional with cycle of operation at the bottom of the car.
The making city rail train diagram that uses a computer mainly contains following key point:
The first, under the certain condition of certain, the minimum reciprocal time of available number of allocated passenger trains, satisfy different time sections passenger flow demand to greatest extent.In the establishment of city rail train figure, the train that guarantees each time period is started at interval and satisfied the passenger flow demand is crucial.But, because be subjected to the number of allocated passenger trains amount, restriction such as the condition of turning back, by formula 1 ideal of calculating is started the time interval and often can't be realized.How under the existing equipment condition, satisfying different time sections passenger flow demand to greatest extent, is a big difficult point of computing machine auto making city rail train diagram.
The second, train goes out to put in storage the automatic establishment of travel line.Go out to put in storage travel line and be meant the train path that connects rolling stock section and two switchback stations.Rolling stock section is in the position of City Rail Transit System route difference, and it is also different with the establishment that goes out to put in storage travel line to go out the warehouse-in mode.How during at the establishment service chart at different situations, select suitable going out the warehouse-in mode and go out to put in storage travel line automatically, be the another big difficult point of computing machine auto making city rail train diagram.
The 3rd, the shop picture of peak period and off-peak period transition travel line.City rail passenger flow has temporal lack of uniformity, has peak and non-peak hours section.The number of allocated passenger trains amount that different operation interlude sections need be used is inequality, in the surrounding time of difference operation section interval time, needs to arrange to go out warehouse-in at the bottom of the car, thereby forms section transit time.Transit time the section train path the shop picture be city rail train figure the most difficult also be the most complicated part, the folding method requirement at the bottom of the car and the operation space requirement of train not only with considering to go out the warehouse-in mode at the bottom of the car, also will be considered during picture in the shop.
The 4th, satisfy the constraint of mode (the turning back after turning back before standing, standing) of turning back.The different modes of turning back influences municipal rail train turning back interval time at switchback station.Adopt the mode of turning back before the station, back one train must just can enter the station after the turning back and dispatch a car of last train; Adopt the mode of turning back behind the station, back one train can enter the station when last train is turned back.
The 5th, work out big or small cross-channel route map of train.Size cross-channel route map of train is meant the cross-channel form of starting two or more on a circuit.Size cross-channel scheme is applicable to that each section volume of the flow of passengers inequality extent is big and the situation of obvious passenger flow breakpoint is arranged.When working out this class service chart, not only to consider factors such as train number of allocated passenger trains amount, time period transient mode, also will consider to move reasonable coupling at interval.Under the condition that guarantees each cross-channel section operation spaced equalized, the maximum characteristics of big or small cross-channel route map of train are starting number needs and will keeping certain proportionate relationship of big or small cross-channel.
Summary of the invention
Purpose of the present invention is exactly in order to overcome the defective that above-mentioned prior art exists, and a kind of method of realization auto making city rail train diagram easy and simple to handle is provided.
Purpose of the present invention can be achieved through the following technical solutions: a kind of method that realizes auto making city rail train diagram is characterized in that this method comprises:
(1) the required underlying parameter of configuration compilation: the information that configuration comprises city rail traffic route information, moves time-division, dwell time and turn back between standing in configuration file;
(2) ideal that disposes each time period in one day is started at interval: with the form of parameter, and the different time period scope of input in program, and the operation interval time that draws different time sections in a day;
(3) scope of adjustment time period: the time period scope of determining in the step (2) is adjusted, the time that time period is comprised is the integral multiple in the corresponding time interval, when guaranteeing peak period and off-peak period transition, the travel line harmony of time at intervals of starting of initially layouting;
(4) determine each travel line starting point and terminal time: by the scope of each time period and corresponding start the starting station that interval calculation goes out the train train operation route and send out a moment; Start constantly according to train again and the operation time-division and the through-station dwell time of train calculate the terminus to the some moment;
(5) travel line is carried out pre-connection: according to the condition of turning back at the bottom of the car, pre-connection satisfies the travel line of the condition of turning back, and this interconnective travel line has begun to take shape at the bottom of the used car of service chart; If certain travel line can not find the last travel line that satisfies the condition of turning back, think that then this travel line is outbound; If certain travel line can not find a back travel line that satisfies the condition of turning back, think that then this travel line is Hui Ku; If when an equidirectional travel line also can be connected with the follow-up operation line of this travel line behind this travel line, then this travel line was also answered Hui Ku; Go out to put in storage travel line and interconnective travel line between them, begun to take shape at the bottom of the used car of service chart;
(6) adjustment is started and is layouted according to the number of allocated passenger trains amount: if the number of allocated passenger trains that generates in the step (5) is greater than spendable number of allocated passenger trains on the same day, it then is the time range that unit enlarges the non-peak hours section gradually with the running interval, adjust the time range of non-peak hours section repeatedly, the number of allocated passenger trains that makes step (5) generation is smaller or equal to spendable number of allocated passenger trains on the same day;
(7) the establishment train goes out to put in storage travel line: according to the line information of configuration, with the initial cross-channel at the bottom of the initial car of corresponding outbound cross-channel replacement step (5) generation, the warehouse-in cross-channel replaces the termination cross-channel;
(8) shop picture route map of train: according to the travel line that generates by above step start constantly, cross-channel operating position and the operation time-division of step (1) configuration, the underlying parameters such as a time-division and a station route information that stop at each station at the bottom of the car, calculate each station to sending out a time point; Then according to the operating position of cross-channel at the bottom of respectively stand to the time of sending out and the car that generate, the shop picture also connects the oblique line of up-downgoing cross-channel; According to the table number running number of generating run figure automatically that starts constantly of each travel line, finish the establishment of route map of train at last.
Described step (5) comprises the situation of using a kind of cross-channel:
A. generate the travel line of up-downgoing earlier according to the Train Interval of each time period, do not connect mutually between each travel line;
B. then the up-downgoing plan line that can couple together is coupled together;
Also comprise the situation of having used big or small cross-channel:
A. generate the up-downgoing plan line of minor loop according to the Train Interval of minor loop;
B. according to minute car ratio suitable minor loop plan line is prolonged into big loop plan line;
C. the up-downgoing plan line that can connect other is coupled together.
Compared with prior art, the invention has the advantages that:
(1) adjusts the time period for moving integral multiple at interval, guarantee harmony at peak period and off-peak period transition travel line shop picture;
(2) connect travel line successively according to the condition of turning back, satisfy the requirement of folding method automatically at the bottom of can making the car of generation;
(3) to the train of time period scope, carry out local the adjustment repeatedly to satisfy the number of allocated passenger trains order and to go out the way that the warehouse-in mode requires, help the realization of computing machine;
(4) make compilation software can number of allocated passenger trains, reciprocal time, the mode of turning back etc. under the constraint of condition, automatically spread the operation spaced equalized of drawing, and can satisfy the city rail train figure of different time sections passenger flow demand to greatest extent, thereby the establishment efficient of route map of train is improved greatly, to adapt to the needs that city rail train figure adjusts with the variation of passenger flow, technical equipment, transportation method for organizing.
Embodiment
The present invention has developed and has a kind ofly worked out the method for urban railway transit train service chart automatically by means of computing machine, has simplified the difficulty of track traffic passenger traffic marketing department establishment train operation greatly.Use before the present invention, at first the required underlying parameter of configuration compilation and in one day the ideal of each time period start the time interval, then according to start the time interval, the setting of the condition of turning back, number of allocated passenger trains amount and rolling stock section, adjust to start repeatedly and layout, and the use-pattern at the bottom of definite car, last according to the use-pattern at the bottom of the car, and the underlying parameter of configuration, shop picture route map of train.The inventive method is worked out automatically at the realization computing machine and has been considered a plurality of factors in the compilation process on the urban railway transit train service chart, can solve each key issue in the making city rail train diagram, make computing machine can work out the city rail train figure that satisfies daily operation demand automatically, thereby the establishment efficient of route map of train is improved greatly.The present invention is applied to the establishment of route map of train by Beijing Metro, and application result shows, use this method automatically the service chart of establishment can adapt to the needs that the rail transit train service chart is adjusted rapidly with the variation of passenger flow, technical equipment, transportation method for organizing.
In this case study on implementation, user's underlying parameter that grades when at first adopting the mode of configuration file to dispose stopping of a station route information, operation time-division and each station:
(1) the required underlying parameter of configuration compilation: configuration comprises the City Rail Transit System route information, moves time-division, dwell time and the information of turning back between standing in configuration file config.xml, pl.xml, loop.xml;
(2) ideal that disposes each time period in one day is started at interval: with the form of parameter, import different time period scopes and the operation interval time that is calculated different time sections in a day by formula 1 in program.
(3) scope of adjustment time period: the time period scope that step (2) is determined is adjusted, the time that time period is comprised is the integral multiple in the corresponding time interval, when guaranteeing peak period and off-peak period transition, the travel line harmony of time at intervals of starting of initially layouting.
(4) determine each travel line starting point and terminal time: by the scope of each time period and corresponding start the inception point point at the time of departure that interval calculation goes out cross-channel; Then, again according to train start constantly, the operation time-division and the through-station dwell time of train calculate terminus arrival time point.
(5) travel line is carried out pre-connection: according to the condition of turning back at the bottom of the car, pre-connection satisfies the travel line of the condition of turning back, and these interconnective travel lines have begun to take shape at the bottom of the used car of service chart.If certain travel line can not find the last travel line that satisfies the condition of turning back, think that then this travel line is outbound; If certain travel line can not find a back travel line that satisfies the condition of turning back, think that then this travel line is Hui Ku; If when an equidirectional travel line also can be connected with the follow-up operation line of this travel line behind this travel line, this travel line was also answered Hui Ku.Go out to put in storage travel line and interconnective travel line between them, begun to take shape at the bottom of the used car of service chart.
(6) adjustment is started and is layouted according to the number of allocated passenger trains amount: if the number of allocated passenger trains that step (5) generates is the time range that unit enlarges the non-peak hours section gradually greater than spendable number of allocated passenger trains on the same day with the running interval.Adjust the time range of non-peak hours section repeatedly, the number of allocated passenger trains that makes step (5) generation is smaller or equal to spendable number of allocated passenger trains on the same day.
(7) the establishment train goes out to put in storage travel line: according to the line information of configuration, with the initial cross-channel at the bottom of the initial car of corresponding outbound cross-channel replacement step (5) generation, the warehouse-in cross-channel replaces the termination cross-channel.
(8) spread the picture route map of train:, calculate arriving of each station and send out a time point according to the operation time-division of cross-channel operating position and step (1) configuration at the bottom of the start moment, the car of the travel line that generates by above step, the underlying parameters such as time-division and field, station route information that stop that each is stood; Then, according to the operating position of cross-channel at the bottom of respectively stand to the time of sending out and the car that generate, the shop picture also connects the oblique line of up-downgoing cross-channel; According to the table number running number of generating run figure automatically that starts constantly of each travel line, finally generate route map of train at last.
Step (5) if in only use a kind of situation of cross-channel: generate the travel line of up-downgoing earlier according to the Train Interval of each time period, do not connect mutually between each travel line.Then the up-downgoing plan line that can couple together is coupled together.If certain travel line can not find suitable last travel line, think that then this travel line is outbound.If certain travel line can not find a suitable back travel line, think that then this travel line is Hui Ku.If when an equidirectional travel line also can be connected with the follow-up operation line of this travel line behind this travel line, this travel line was also answered Hui Ku.
Used the situation of big or small cross-channel: generate the up-downgoing plan line of minor loop earlier according to the Train Interval of minor loop, according to minute car ratio suitable minor loop plan line is prolonged into big loop plan line then.The plan line of minor loop satisfies the operation time slot request, and the plan line of big loop is not because section working time may be satisfied in extension.And then the up-downgoing plan line that can connect other coupled together.The principle of judging outbound and Hui Ku is identical with " whole day is only used a kind of situation of loop ".
Claims (2)
1. a method that realizes auto making city rail train diagram is characterized in that, this method comprises:
(1) the required underlying parameter of configuration compilation: the information that configuration comprises city rail traffic route information, moves time-division, dwell time and turn back between standing in configuration file;
(2) ideal that disposes each time period in one day is started at interval: with the form of parameter, and the different time period scope of input in program, and the operation interval time that draws different time sections in a day;
(3) scope of adjustment time period: the time period scope of determining in the step (2) is adjusted, the time that time period is comprised is the integral multiple in the corresponding time interval, when guaranteeing peak period and off-peak period transition, the travel line harmony of time at intervals of starting of initially layouting;
(4) determine each travel line starting point and terminal time: by the scope of each time period and corresponding start the starting station that interval calculation goes out the train train operation route and send out a moment; Start constantly according to train again and the operation time-division and the through-station dwell time of train calculate the terminus to the some moment;
(5) travel line is carried out pre-connection: according to the condition of turning back at the bottom of the car, pre-connection satisfies the travel line of the condition of turning back, and this interconnective travel line has begun to take shape at the bottom of the used car of service chart; If certain travel line can not find the last travel line that satisfies the condition of turning back, think that then this travel line is outbound; If certain travel line can not find a back travel line that satisfies the condition of turning back, think that then this travel line is Hui Ku; If when an equidirectional travel line also can be connected with the follow-up operation line of this travel line behind this travel line, then this travel line was also answered Hui Ku; Go out to put in storage travel line and interconnective travel line between them, begun to take shape at the bottom of the used car of service chart;
(6) adjustment is started and is layouted according to the number of allocated passenger trains amount: if the number of allocated passenger trains that generates in the step (5) is greater than spendable number of allocated passenger trains on the same day, it then is the time range that unit enlarges the non-peak hours section gradually with the running interval, adjust the time range of non-peak hours section repeatedly, the number of allocated passenger trains that makes step (5) generation is smaller or equal to spendable number of allocated passenger trains on the same day;
(7) the establishment train goes out to put in storage travel line: according to the line information of configuration, with the initial cross-channel at the bottom of the initial car of corresponding outbound cross-channel replacement step (5) generation, the warehouse-in cross-channel replaces the termination cross-channel;
(8) shop picture route map of train: according to the travel line that generates by above step start constantly, cross-channel operating position and the operation time-division of step (1) configuration, the underlying parameters such as a time-division and a station route information that stop at each station at the bottom of the car, calculate each station to sending out a time point; Then according to the operating position of cross-channel at the bottom of respectively stand to the time of sending out and the car that generate, the shop picture also connects the oblique line of up-downgoing cross-channel; According to the table number running number of generating run figure automatically that starts constantly of each travel line, finish the establishment of route map of train at last.
2. a kind of method that realizes auto making city rail train diagram according to claim 1 is characterized in that, described step (5) comprises the situation of using a kind of cross-channel:
A. generate the travel line of up-downgoing earlier according to the Train Interval of each time period, do not connect mutually between each travel line;
B. then the up-downgoing plan line that can couple together is coupled together;
Also comprise the situation of having used big or small cross-channel:
A. generate the up-downgoing plan line of minor loop according to the Train Interval of minor loop;
B. according to minute car ratio suitable minor loop plan line is prolonged into big loop plan line;
C. the up-downgoing plan line that can connect other is coupled together.
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