CN114547131A - Integrated traffic distribution mode OD (origin-destination) acquisition method considering joint trip - Google Patents
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Abstract
The invention discloses a comprehensive traffic sub-mode OD acquisition method considering joint travel, which comprises four steps of data acquisition, utility calculation, proportion analysis and OD acquisition, wherein the travel OD matrix data in the range of an analysis area is acquired, the travel utility of all feasible travel mode combinations between two places is calculated according to a formula, the travel proportion of all feasible travel mode combinations between the two places is calculated on the basis, the sub-mode OD matrix of the travel mode between the two places is finally obtained by calculation, the possibility of joint travel between cities is considered by taking actual data as support, the method has strong practicability and operability, has important significance for carrying out comprehensive traffic travel mode division prediction and traffic planning, and provides practical scientific basis for planning and transformation of urban inter-group passenger transport hubs and scheduling and optimization of inter-hub transport capacity, the supply capacity and the quality of the transportation service are improved more scientifically and reasonably, and the travel experience of passengers is improved.
Description
Technical Field
The invention belongs to the field of comprehensive transportation, and particularly relates to a comprehensive transportation sub-mode OD obtaining method considering joint travel.
Background
With the continuous promotion of the urbanization process, the city form of the urban group appears in China and becomes mature day by day. The development of regional economy integration makes political, cultural and economic communication between cities in the urban group increasingly close, and with the rapid development of transportation modes such as high-speed rails and airplanes, people put forward higher requirements for urban group outgoing, so that a transportation service mode of passenger joint transportation is generated. The passenger joint journey transportation means that the passenger is subjected to overall planning and management by using multiple sections of journey of one or more traffic modes, so that the integrated transportation organization of the passenger is realized, and the transportation service mode of the continuity and convenience of the passenger trip is ensured. The appearance of the mode expands the travel range of residents in the urban group and brings changes of the hub passenger demand of the urban group. At present, the joint transportation of passengers in China is still in the starting stage, and the transportation facilities between hubs are not reasonably allocated according to the change of passenger demand brought by the joint passenger transportation. As an important ring of a comprehensive transportation service system, the combined transportation of passengers can synthesize the advantages of various travel modes, thereby effectively improving the comprehensive transportation efficiency and greatly improving the travel experience of the passengers. The development of the passenger intermodal transportation has important significance for the rapid promotion of the transportation of China, the construction and the perfection of the modern comprehensive transportation system and the construction of a transportation service system.
After years of theoretical research and practical exploration, scholars at home and abroad have conducted research on comprehensive transportation passenger travel behaviors and passenger joint transportation. Foreigners have Forinash C.V. and K oppelman F s, the travel mode selection behavior mechanism Aoife A of the passenger is researched based on the principle of the utility theory, the role of personal preference of the passenger in travel mode selection decision is researched by AherN.T 4, and the influence of personal attribute and attitude of the passenger on mode selection behavior is researched by Per Johansson and the like. In China, the method is like an NL model, an ML model, an MNL model, a mixed selection model and the like, but most of the methods are researched aiming at a single trip mode, the research on the multi-mode combined trip behaviors of urban group passengers is lacked, and the trip of the passengers not only comprises the single trip mode, but also comprises the multi-mode combined trip.
Disclosure of Invention
Aiming at the problem that most of the existing models are researched by aiming at a single trip mode and cannot be suitable for researching the multi-mode combined trip behavior of urban group passengers, the invention provides a comprehensive traffic distribution mode OD acquisition method considering the trip, by collecting travel OD matrix data in the area range to be analyzed and calculating the travel utility of all feasible travel mode combinations between two places according to a formula, on the basis, the travel proportion of all feasible travel mode combinations between two places is calculated, and finally, a sub-mode OD matrix of the travel modes between the two places is obtained through calculation, the practical data is taken as the support, the possibility of travel in a joint way between cities is considered, the practicability and operability are very strong, the method has important significance for carrying out division prediction and traffic planning of a comprehensive traffic trip mode, and provides practical scientific basis for planning and transformation of urban inter-group passenger transportation hubs and scheduling and optimization of transportation capacity among hubs.
In order to solve the above problems, the present invention adopts the following technical solutions.
A comprehensive traffic distribution mode OD obtaining method considering trip travel comprises the following steps:
step A, data acquisition: collecting travel data of n traffic areas within the area needing to be analyzed;
b, utility calculation: b, calculating the travel utility of all feasible travel mode combinations between the traffic area i and the traffic area j according to the data collected in the step A;
step C, proportion analysis: calculating the travel proportion of all feasible travel mode combinations between the traffic area i and the traffic area j by adopting the travel utility calculated in the step B;
step D, OD obtains: and D, combining the data acquired in the step A and the travel proportion calculated in the step C, and calculating to obtain a sub-mode OD matrix of the travel modes between the traffic area i and the traffic area j.
In a further technical scheme, the step A specifically comprises the following steps:
collecting travel OD matrixes in the region needing analysis:
wherein, gi,jThe travel demand from a traffic area i to a traffic area j is obtained, n is the total number of the traffic areas in the area range needing to be analyzed, i and j are integers larger than 0, i belongs to n, and j belongs to n;
acquiring the number N of feasible travel mode combinations between a traffic area i and a traffic area ji,j;
Collecting the accumulated quantity of travel modes adopted in the kth feasible travel mode combination from the traffic area i to the traffic area j
Collecting the trip mode adopted by the mth in the kth feasible trip mode combination from the traffic area i to the traffic area j
Collecting travel distance adopted by mth type in kth feasible travel mode combination between traffic area i and traffic area j
Collecting traffic area serial numbers transferred by the trip mode adopted by the mth in the kth feasible trip mode combination from the traffic area i to the traffic area j
Wherein k is an integer greater than 0, andk≤Ni,j(ii) a m is an integer greater than 0, and the values are 1, 2, 3 and 4, which respectively represent highway, railway, aviation and water transportation travel modes;the unit is kilometer;is an integer greater than 0, and indicating that the endpoint is not to be changed; the transportation modes comprise highways, railways, aviation and water transportation.
In step B, the following formula is used to calculate the travel utility of the kth feasible travel mode combination from the traffic area i to the traffic area j
Wherein,for distance utility function, representation is takenTravel mode tripOf a distanceTrip utility;to transfer the utility function, express fromTravel mode is transferred toTransfer utility of travel patterns.
In step C, the travel proportion of the kth feasible travel mode combination between the traffic zone i and the traffic zone jCalculated using the formula:
wherein e is a natural base number, o is 1 or more and N or lessi,jThe number of the integer (c) of (d),indicated as the o-th feasible travel pattern combination between traffic zone i and traffic zone j.
According to a further technical scheme, the step D specifically comprises the following steps:
step D1, initializing the sub-mode OD matrix: initializing the sub-mode OD matrix of the highway, the railway, the aviation and the water transportation, and dividing the highway into sub-modes OD1Matrix, railway mode OD2Matrix and aviation separation mode OD3Matrix and water movement mode OD4All elements in the matrix are set to 0, wherein,
wherein,andtraffic volumes between a traffic area i and a traffic area j in a highway, a railway, an aviation and water transportation mode respectively;
step D2, performing load search in different modes:
the road mode is as follows: the data collected in the step A are searched in sequence from the traffic area i to the traffic area j, and when the data are searched in sequence, the data are transmitted to the traffic area jAnd isAnd isWill be provided withIs accumulated toThe above step (1);
the railway mode is as follows: the data collected in the step A are searched in sequence from the traffic area i to the traffic area j, and when the data are searched in sequence, the data are transmitted to the traffic area jAnd isAnd isWill be provided withIs accumulated toThe above step (1);
an aviation mode: the data collected in the step A) between the traffic area i and the traffic area j are searched in sequence whenAnd isAnd isWill be provided withIs accumulated toThe above step (1);
water transportation mode: the data collected in the step A) between the traffic areas i and j are searched in sequence whenAnd isAnd isWill be provided withIs accumulated toThe above step (1);
wherein p and q are respectively the serial numbers of the traffic areas, both p and q are integers larger than 0, and p belongs to n, and q belongs to n;a traffic area serial number for transfer of the mth travel mode in the kth feasible travel mode combination from the traffic area p to the traffic area q;the travel mode is adopted in the mth travel mode combination from the traffic area p to the traffic area q;the trip proportion of the kth feasible trip mode combination between the traffic area p and the traffic area q; gp,qThe travel demands from the traffic area p to the traffic area q;
step D3, performing mode OD result arrangement: and D2, sorting the results of the sub-mode row quantity search in the step D2 to obtain a sub-mode OD matrix.
In step a, the cumulative number of travel modes used in the kth feasible travel mode combination from the traffic zone i to the traffic zone jTo pairCounting, if the mode transfer occurs in the traffic area, not counting the travel mode conversion in the traffic area, only counting the travel mode leaving the traffic area at lastIn (1).
Go toThe technical scheme of the steps is that in the step A, the accumulated quantity of the travel modes adopted in the kth feasible travel mode combination from the traffic area i to the traffic area jTo pairCounting, if the same trip mode appears more than once in the feasible trip mode combination, counting according to the times of the appearanceIn (1).
Compared with the prior art, the technical scheme of the invention has the beneficial effects that:
compared with the traditional NL model, ML model and the like, the comprehensive traffic sub-mode OD obtaining method considering the trip travel carries out utility calculation of all feasible travel schemes between two places based on scheme selection behavior data when a passenger carries out the trip travel between urban group hubs, obtains proportion analysis of all feasible travel schemes between the two places according to a formula on the basis, finally obtains a comprehensive traffic sub-mode OD matrix between the two places, considers the typical passenger trip travel scheme selection behavior data between cities based on actual data as support, and has higher accuracy and reliability compared with the traditional prediction method; meanwhile, the method has clear thinking in the whole process, has strong practicability and operability, provides a new thinking and a new method for obtaining the comprehensive transportation mode OD, has important significance for division prediction and traffic planning of the comprehensive transportation mode, provides practical scientific basis for planning and transformation of passenger transportation hubs among city groups and dispatching and optimization of transportation capacity among hubs, more scientifically and reasonably improves the supply capacity and quality of transportation service, improves the traveling experience of passengers, and better meets the high-quality, diversified and personalized traveling requirements of the passengers.
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FIG. 1 is a flow chart of the present invention.
Detailed Description
The invention is further described below with reference to specific embodiments and the accompanying drawings.
Examples
The embodiment provides a method for acquiring an OD in a comprehensive traffic distribution mode in consideration of trip travel, as shown in fig. 1, the method includes the following steps:
step A, data acquisition: collecting travel OD matrixes in the region needing to be analyzed,
gi,jthe trip requirements from a traffic area i to a traffic area j are integers which are more than 0 and less than n, and n is the total number of the traffic areas in the area range needing to be analyzed;
collecting the number N of feasible travel mode combinations between a traffic area i and a traffic area ji,jCollecting the accumulated quantity of travel modes adopted in the kth feasible travel mode combination from the traffic area i to the traffic area jCollecting the trip mode adopted by the mth in the kth feasible trip mode combination from the traffic area i to the traffic area jCollecting travel distance adopted by mth type in kth feasible travel mode combination between traffic area i and traffic area jCollecting traffic area serial numbers transferred by the trip mode adopted by the mth in the kth feasible trip mode combination from the traffic area i to the traffic area jWherein k is an integer greater than 0 and k is not more than Ni,j(ii) a m is an integer greater than 0, and the values are 1, 2, 3 and 4, which respectively represent the travel modes of highways, railways, aviation and water transportation;the unit is kilometer;is an integer greater than 0, andis specially stipulatedIndicating that the endpoint is not to be changed; the trip data can be directly obtained from the statistical departments, the traffic departments and the like of the countries or the related regions/cities, and can also be directly downloaded or captured from the internet based on the big data technology, and the traffic modes comprise roads, railways, aviation and water transportation.
In this embodiment, 13 regions in northeast province of china are selected as the regions to be analyzed, and the travel OD matrix is as follows:
wherein, the names of the 13 traffic areas can be sequentially recorded as: full XX (traffic zone 1), high XX (traffic zone 2), sinking X1 (traffic zone 3), light XX (traffic zone 4), sinking X2 (traffic zone 5), glow XX (traffic zone 6), turbid XX (traffic zone 7), threxx (traffic zone 8), new XX (traffic zone 9), normal XX (traffic zone 10), healthy XX (traffic zone 11), large XX (traffic zone 12) and pacifying XX (traffic zone 13).
And then, acquiring feasible travel mode combinations among the traffic areas. Taking cell 5 to cell 12 as an example, the number N of feasible travel mode combinations between traffic zone 5 and traffic zone 125,123, itInEqual to 1, 1 respectively, equal to 1, 2 respectively,equal to 350KM, 312KM, 350KM respectively, equal to 12, 12 respectively.
B, utility calculation; according to the data collected in the step A, calculating the travel utility of the kth feasible travel mode combination between the traffic area i and the traffic area j by adopting the following formula
Wherein,for distance utility function, representation is takenTravel mode tripTrip utility of distance;to transfer the utility function, express fromTravel mode is transferred toTransfer utility of travel mode;
step C, proportion analysis: calculating the travel proportion of the kth feasible travel mode combination between the traffic area i and the traffic area j by adopting the step B
Wherein e is a natural base number, o is 1 or more and N or lessi,jThe number of the integer (c) of (d),indicated as the o-th feasible travel pattern combination between traffic zone i and traffic zone j.
Step D, OD obtains: and C, calculating to obtain a scoring mode OD matrix by combining the data acquired in the step A and the travel proportion obtained by analyzing in the step C, and specifically comprising the following steps:
step D1, initializing the sub-mode OD matrix: road is divided into modes OD1Matrix, railway mode OD2Matrix and aviation separation mode OD3Matrix and water movement mode OD4Initializing matrix, dividing road into modes OD1Matrix, railway mode OD2Matrix and aviation separation mode OD3Matrix and water movement mode OD4All elements in the matrix are set to 0, specifically:
wherein,andrespectively adopting the traffic volume of a road, a railway, an aviation and a water transportation mode between a traffic area i and a traffic area j;
step D2, carrying out the traffic volume search in a manner of division, and using Excel, Matlab and other software;
the road mode is as follows: the data collected in the step A) between the traffic area i and the traffic area j are sequentially searched, and when the data existAnd isAnd is provided withAt this time, willIs directly added toThe above step (1);
the railway mode is as follows: the data collected in the step A) between the traffic area i and the traffic area j are searched in sequence, and when the data existAnd isAnd isAt this time, willIs directly added toThe above step (1);
an aviation mode: the data collected in the step A) between the traffic area i and the traffic area j are sequentially searched, and when the data existAnd isAnd isAt this time, willIs directly added toThe above step (1);
water transportation mode: the data collected in the step A) between the traffic area i and the traffic area j are sequentially searched, and when the data existAnd is provided withAnd isAt this time, willIs directly added toC, removing;
wherein p and q are respectively the serial numbers of the traffic areas, both p and q are integers larger than 0, and p belongs to n, and q belongs to n;a traffic area serial number for transfer of the trip mode adopted by the mth in the kth feasible trip mode combination from the traffic area p to the traffic area q;the travel mode is adopted in the mth travel mode combination from the traffic area p to the traffic area q;the trip proportion of the kth feasible trip mode combination between the traffic area p and the traffic area q; g is a radical of formulap,qThe travel demand from the traffic area p to the traffic area q;
step D3, performing mode OD result arrangement: and D2, sorting the results of the sub-mode row amount search in the step D2 to obtain a sub-mode OD matrix, wherein the specific results are as follows:
the examples described herein are merely illustrative of the preferred embodiments of the present invention and do not limit the spirit and scope of the present invention, and various modifications and improvements made to the technical solutions of the present invention by those skilled in the art without departing from the design concept of the present invention shall fall within the protection scope of the present invention.
Claims (7)
1. A comprehensive traffic distribution mode OD obtaining method considering trip travel is characterized by comprising the following steps:
step A, data acquisition: collecting travel data of n traffic areas within the area needing to be analyzed;
b, utility calculation: b, calculating the travel utility of all feasible travel mode combinations between the traffic area i and the traffic area j according to the data collected in the step A;
step C, proportion analysis: calculating the travel proportion of all feasible travel mode combinations between the traffic area i and the traffic area j by adopting the travel utility calculated in the step B;
step D, OD obtains: and D, combining the data acquired in the step A and the travel proportion calculated in the step C, and calculating to obtain a sub-mode OD matrix of the travel modes between the traffic area i and the traffic area j.
2. The method for acquiring the OD of the comprehensive traffic separation mode considering the trip travel according to claim 1, wherein the step A specifically comprises the following steps:
collecting travel OD matrixes in the region needing analysis:
wherein, gi,jThe travel demand from a traffic area i to a traffic area j, n is the total number of the traffic areas in the area range needing to be analyzed, i and j are bothIs an integer greater than 0, and i belongs to n, and j belongs to n;
collecting the number N of feasible travel mode combinations between a traffic area i and a traffic area ji,j;
Collecting the accumulated quantity of travel modes adopted in the kth feasible travel mode combination from the traffic area i to the traffic area j
Collecting the trip mode adopted by the mth in the kth feasible trip mode combination from the traffic area i to the traffic area j
Collecting travel distance adopted by mth type in kth feasible travel mode combination between traffic area i and traffic area j
Collecting traffic area serial numbers transferred by the trip mode adopted by the mth in the kth feasible trip mode combination from the traffic area i to the traffic area j
Wherein k is an integer greater than 0 and k is equal to or less than Nij(ii) a m is an integer greater than 0, and the values are 1, 2, 3 and 4, which respectively represent highway, railway, aviation and water transportation travel modes;the unit is kilometer;is an integer greater than 0, and indicating that the endpoint is not to be changed; travel modes include highways, railways, aviation and water transportation.
3. The method for obtaining the comprehensive traffic distribution mode OD considering the trip travel according to claim 2, wherein in the step B, the travel utility of the kth feasible travel mode combination between the traffic zone i and the traffic zone j is calculated by adopting the following formula
4. The method for obtaining the OD of the comprehensive transportation mode considering the trip according to claim 3, wherein in the step C, the trip proportion of the kth feasible trip mode combination from the transportation area i to the transportation area j isCalculated using the formula:
5. The method for acquiring the OD in the comprehensive traffic mode considering the trip travel according to claim 4, wherein the step D specifically comprises the following steps:
step D1, initializing the sub-mode OD matrix: initializing the sub-mode OD matrix of the highway, the railway, the aviation and the water transportation, and dividing the highway into sub-modes OD1Matrix, railway mode OD2Matrix and aviation separation mode OD3Matrix and water movement mode OD4All elements in the matrix are set to 0, wherein,
andrespectively adopting the traffic volume of a road, a railway, an aviation and a water transportation mode between a traffic area i and a traffic area j;
step D2, performing load search in different modes:
the road mode is as follows: for the area from the traffic area i to the traffic area j, the data acquired in the step A are sequentially searched, and when the data are searched, the data are transmitted to the traffic area jAnd isAnd isWill be provided withIs directly added toC, removing;
the railway mode is as follows: the data collected in the step A are searched in sequence from the traffic area i to the traffic area j, and when the data are searched in sequence, the data are transmitted to the traffic area jAnd isAnd isWill be provided withIs accumulated toThe above step (1);
an aviation mode: the data collected in the step A) between the traffic areas i and j are searched in sequence whenAnd isAnd isWill be provided withIs accumulated toThe above step (1);
water transportation mode: the data collected in the step A) between the traffic areas i and j are searched in sequence whenAnd isAnd isWill be provided withIs accumulated toThe above step (1);
wherein p and q are respectively the serial numbers of the traffic areas, both p and q are integers larger than 0, and p belongs to n, and q belongs to n;a traffic area serial number for transfer of the trip mode adopted by the mth in the kth feasible trip mode combination from the traffic area p to the traffic area q;the travel mode is adopted in the mth travel mode combination from the traffic area p to the traffic area q;the travel proportion of the kth feasible travel mode combination between the traffic area p and the traffic area q; gp,qThe travel demands from the traffic area p to the traffic area q;
step D3, performing mode OD result arrangement: and D2, sorting the results of the sub-mode column size search in the step D2 to obtain a sub-mode OD matrix.
6. The method for obtaining the comprehensive traffic distribution mode OD considering the trip travel according to claim 2, wherein in step A, the cumulative number of travel modes adopted in the kth feasible travel mode combination from the traffic zone i to the traffic zone jTo pairCounting, if the mode transfer occurs in the traffic area, not counting the travel mode conversion in the traffic area, only counting the travel mode leaving the traffic area at lastIn (1).
7. The method for obtaining the OD of the comprehensive transportation modes considering the trip, according to claim 6, wherein in step A, the cumulative number of the trip modes adopted in the kth feasible trip mode combination from the transportation area i to the transportation area jTo pairCounting, if the same trip mode appears more than once in the feasible trip mode combination, counting according to the times of the appearanceIn (1).
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