CN110319839A - A kind of intelligent navigation APP system suitable for polar region ice navigation - Google Patents

A kind of intelligent navigation APP system suitable for polar region ice navigation Download PDF

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CN110319839A
CN110319839A CN201910710770.8A CN201910710770A CN110319839A CN 110319839 A CN110319839 A CN 110319839A CN 201910710770 A CN201910710770 A CN 201910710770A CN 110319839 A CN110319839 A CN 110319839A
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刘卫
李元光
谢宗轩
胡媛
王胜正
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Shanghai Maritime University
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01CMEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C21/00Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00
    • G01C21/20Instruments for performing navigational calculations
    • G01C21/203Specially adapted for sailing ships
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06QINFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q10/00Administration; Management
    • G06Q10/04Forecasting or optimisation specially adapted for administrative or management purposes, e.g. linear programming or "cutting stock problem"
    • G06Q10/047Optimisation of routes or paths, e.g. travelling salesman problem

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Abstract

The invention discloses a kind of intelligent navigation APP systems suitable for polar region ice navigation, including subscriber information management module, sea ice information analysis display module, destination enquiry module and SIM system information management module.This system user interface ease in use provides the ice condition information in polar region sea area for ship.Destination latitude coordinates only need to be inputted, the shortest path that can be navigated by water can be obtained, reduce the risk involved in ice navigation.Wherein, Ice Conditions Analysis and various dimensions display technology, data mining and extractive technique, multi-objective optimization algorithm, the safety of ship analytical technology based on data-driven etc. provide support for the normal operation of system.

Description

A kind of intelligent navigation APP system suitable for polar region ice navigation
Technical field
The present invention relates to intelligent navigational fields, more particularly to a kind of intelligent navigation APP suitable for polar region ice navigation System.
Background technique
In recent years, the problems such as global climate increasingly warms, and south poles sea ice is caused to melt, sea-level rise.At the same time, In summer, the condition in polar region sea area has been able to satisfy the normal pass of ship.With the development of ice-breaking technology, marine technology, I State is reached the voyage of North America east bank by " northwest course line ", will substantially be shortened by the voyage that " northeast course line " reaches Europe, is saved The transportation cost of ship is saved.Polar region mining deposits abundant, the scientific investigation team that attract various countries comes to explore, in recent years, more Start to drive towards polar region sea area come more ships.
Currently, lacking since map open platform Baidu map, Google Maps, Mapbox are defaulted as Mercator projection The projection of polar region, developer lack polar region sea area map data mining platform, and no APP is shown and divided to polar region sea area ice condition information Analysis prediction, crewman can not be clearly understood that ice concentration and depth information around ship.It is suitable for and polar region due to lacking The navigation in sea area, path planning system, ship are selected polar region ice navigation Intermediate Course largely according to navigator's Experience is completed, and the safety of navigation cannot be ensured effectively.Research is suitable for the intelligent navigation APP of polar region ice navigation The top priority of system is collected including ice concentration, the sea areas such as sea ice thickness ice condition information, by ice condition data and electron sea Figure additive fusion provides surrounding sea ice condition information for ship in real time.Destination path is planned on this basis, thus really Protect the passage normally and efficiently of ship.Any support ice formation path planning, at the same it is reliable in view of being limited on physics and operation Tool is all popular in maritime world.So being suitable for a kind of intelligent navigation APP system suitable for polar region ice navigation to rear The development of continuous work has great significance.
Summary of the invention
The present invention is analyzed by polar region ice condition data and Multidimensional Comprehensive display research, and the ship to travel in polar region, which provides, works as The preceding and following sea area ice condition information.The ice condition data in sea area analysis shows that on the basis of, severe sea condition and ice navigation are carried out Safety analysis is studied is using the method for ice formation course line multi-objective optimization algorithm by the support of data mining and extractive technique User provides the optimal feasible path for leading to destination, provides convenience for arctic navigation.The analysis and research of mass data, prediction Ice condition provides the optimal path of future time section, provides selection for the trip planning of ship.
Userspersonal information's data of the information management module storage subscriber information module of system, sea ice information analysis module Ice concentration, ice concentration thickness data, the course data of destination enquiry module;Pass through user when new user's registration Information management is submitted, and SIM system information management module is passed to, and saves personal information, and personal information maintenance module can be used in user It modifies to personal information, modified data is transmitted to SIM system information management module;After logining successfully, system information The longitude and latitude data of user position are passed to sea ice information analysis display module by management module, pass through ice condition display module User obtains sea ice information around current location, while start-stop point and course data are passed to SIM system information management module;System System information management module is managed the data information of system, and the individual subscriber of subscriber information module transmitting is updated including saving Information updates sea ice information on time, and the data of update are passed to sea ice information analysis display module, receives to save mesh Ground enquiry module course data;Sea ice information analysis display module, the sea ice received in SIM system information management module are intensive Degree, sea ice thickness information receive position display module user current location by processing, transmit user current location sea ice information User is shown to subscriber information management module;Ice prediction module predicts ice condition information, and prediction data is passed to SIM system information management module;Destination enquiry module, by ice formation course line multi-objective optimization algorithm, optimization aim includes sailing in the wind Danger, distance to go, navigation energy consumption, hours underway, in conjunction with voyage plan, ship's manoeuverability, navigation area real-time ice condition information, Middle or short term Weather Forecast Information, the Ship's Optimum Route under the conditions of Dynamic Programming difference preference;The sea ice information analysis shows mould The ice prediction submodule combined destination enquiry module of block obtains the navigable optimal path of future time;The path is shown Module shows user query path, carries out decision operation by system and shows optimal path, while the specific sail information of ship It is saved in system database, provides data reference for the path planning algorithm of system.
System is defined projection to complete polar region map picture using ArcGIS, by picture and spatial positional information pair It answers, projection setting is carried out with EPSG:3571, it is to figure layer point of addition point geographic position name is corresponding with longitude and latitude, simultaneously The precision for correcting longitude and latitude stops addition when longitude and latitude error is less than 0.0001 degree, the production of polar region base map is completed, with service Polar stereographic projection polar plot address in device, polar stereographic projection map overlay is shown in platform.
Ice concentration, the sea ice thickness data file of FTP downloading are normalized, y=(x-MinValue)/ (MaxValue-MinValue), x, y are respectively to convert the maximum value that forward and backward value MaxValue, MinValue is respectively sample And minimum value, data are converted into the decimal between (0,1), adverse effect caused by unusual sample data is eliminated, data is limited It is scheduled on the range being easily processed, output result is corresponding with rgb value, ice concentration and sea ice thickness are indicated with color saturation Size.Ergodic Matrices, by the corresponding ice concentration and sea ice depth rgb value label of representing of longitude and latitude in polar stereographic projection base map In.
On the basis of sea ice information is merged and shown, path planning is carried out in conjunction with meteorological condition, uses ice formation course line Q- Learning nitrification enhancement carries out flight course planning to destination, is first abstracted an ambient condition and turns to following expression:
S=(Xg, Xo1, Xo2, Xo3, Xo4)
Wherein, s is an ambient condition in environment space, XgIndicate the orientation situation of the ship target point to be reached, Xo1, Xo2, Xo3, Xo4For the obstacle information in front of ship, by the distribution of obstacles situation within the scope of 120 ° in front of ship according to angle Degree is separated into four quantity of state X with distanceo1,Xo2,Xo3,Xo4, wherein angle is with course for 0 ° of benchmark, and barrier and ship connect Angle of the line relative to course, Xo1,Xo2,Xo3,Xo4The angular range of representative is [- 60 °, -30 °] respectively, [- 30 °, 0 °], [0 °, 30 °], ship movement is reduced to straight line, is advanced with the course for being located at 30 ° on the left of ship's head, to be located at ship by [30 °, 60 °] 30 ° of course is advanced on the right side of first direction, static, respectively corresponds the serial number of 1-5, and the speed of navigation is according to the property of ship polar region environment Energy model calculates, and the execution time acted each time is fixed;Excitation function is set, when the behavior of ship make itself and target point away from From approaching, excitation function is awarded, maximum value of awarding when reaching target point.When ship close to can not ice-breaking area When, penalty value is returned, and when ship and a certain high ice concentration region are bumped against, excitation function should return to one and greatly punish Penalties guarantees that ship avoids colliding with the region;Movement selection is carried out using ε-greedy strategy, ship is in current ambient conditions Under there is the probability of ε to randomly choose a movement, and the movement value function for having the probability selection of 1- ε to make current ambient conditions is maximum Movement, wherein ε be a lesser constant.
Risk reminding module uses safety of ship analytical technology, provides navigation risk to vessel underway oceangoing ship using Bayesian network It reminds, node is to cause ship that the factor of accident occurs in arctic navigation, is obtained by expert investigation and historical empirical data The dependence between node is taken, correlation analysis is carried out to bivariate using Pearson product-moment correlation coefficient method, makes node Correlation among nodes analysis is completed, arctic navigation risk bayesian network structure figure is constructed, provides sailing in the wind to vessel underway oceangoing ship It reminds danger.
Detailed description of the invention
Fig. 1 should be suitable for a kind of the general frame of intelligent navigation APP system suitable for polar region ice navigation.
The technical solution of Fig. 2 system illustrates.
Specific embodiment
A specific embodiment of the invention is further illustrated with reference to the accompanying drawing.
As shown in Figure 1, a kind of intelligent navigation APP system suitable for polar region ice navigation that this example is implemented, Yong Hufen For ordinary user and administrator.Ordinary user includes user's registration function, user's login function, position display function, a People's maintenance of information function checks place ice concentration informational function, search destination function and checks optimal path function. Administrator includes subscriber information management function, sea ice data management function, route information management function.Fig. 2 is related to this The main functional modules of invention and corresponding selection of technical scheme.
As shown in Figure 1, userspersonal information's data of the information management module storage subscriber information module of system, sea ice letter Cease ice concentration, the ice concentration thickness data of analysis module, the course data of destination enquiry module;New user's registration When submitted by subscriber information management, pass to SIM system information management module, save personal information, personal letter can be used in user Breath maintenance module modifies to personal information, and modified data are transmitted to SIM system information management module;It is logining successfully Afterwards, the longitude and latitude data of user position are passed to sea ice information analysis display module by SIM system information management module, are passed through Ice condition display module user obtains sea ice information around current location, while start-stop point and course data are passed to system information Management module;SIM system information management module is managed the data information of system, including saves and update subscriber information module biography The userspersonal information passed updates sea ice information on time, and the data of update are passed to sea ice information analysis and show mould Block receives the course data for saving destination enquiry module;Sea ice information analysis display module receives SIM system information management module In ice concentration, sea ice thickness information, receive position display module user current location by processing, transmitting user is current Position sea ice information is shown to user to subscriber information management module;Ice prediction module predicts ice condition information, will be pre- Measured data passes to SIM system information management module;Destination enquiry module optimizes mesh by ice formation course line multi-objective optimization algorithm Mark includes navigation risk, distance to go, navigation energy consumption, hours underway, in conjunction with voyage plan, ship's manoeuverability, navigation area Real-time ice condition information, middle or short term Weather Forecast Information, the Ship's Optimum Route under the conditions of Dynamic Programming difference preference;The sea ice letter Breath is analysis shows that the ice prediction submodule combined destination enquiry module of module obtains the navigable optimal path of future time; The path display module shows user query path, carries out decision operation by system and shows optimal path, while ship Specific sail information is saved in system database, provides data reference for the path planning algorithm of system.
As shown in Fig. 2, ice condition display module is defined projection to complete polar region map picture using ArcGIS, make picture With spatial positional information, projection setting is carried out with EPSG:3571, by the method for point of addition point by geographic position name It is corresponding with longitude and latitude, stop addition when inspection data longitude and latitude error is less than 0.0001 degree, completes the calibration of longitude and latitude precision.With Polar stereographic projection polar plot address in server, polar stereographic projection map overlay is shown in platform.Sea ice information data is carried out Normalized, y=(x-MinValue)/(MaxValue-MinValue), x, y are respectively to convert forward and backward value MaxValue, MinValue are respectively the maximum value and minimum value of sample, and data are converted into the decimal between (0,1), processing Result afterwards is corresponding with rgb value, and the saturation degree of color indicates the size of ice concentration and sea ice thickness.Data are corresponding Color mark is in polar stereographic projection base map.
As shown in Fig. 2, ice prediction module uses data mining statistical learning technology, ice condition data are compiled, it will be through Latitude matrix is corresponding with ice condition data, establishes model using causal influence network algorithm:
Wherein, Y represents certain month to be predicted sea ice density or depth,It indicated before month to be predicted K months i-th J-th of Climatic of observation point, Climatic be sea surface temperature, sea-level pressure, ocean surface wind speed,ForRecurrence Coefficient, Z-kIndicate k months ice concentrations or thickness, q before month to be predicted-kFor Z-kRegression coefficient, O indicate the data moon Number amount, M are grid data number, and N indicates the Climatic quantity, and ε is constant;Prediction data is compared with truthful data It is right, prediction accuracy is stepped up, the predictive information of ice condition is provided.
As shown in Fig. 2, flight course planning module multiple-objection optimization Q-Learning nitrification enhancement navigates to destination Line gauge is drawn, and is first abstracted an ambient condition and is turned to following expression:
S=(Xg, Xo1, Xo2, Xo3, Xo4)
Wherein, s is an ambient condition in environment space, XgIndicate the orientation situation of the ship target point to be reached, Xo1, Xo2, Xo3, Xo4For the obstacle information in front of ship, by the distribution of obstacles situation within the scope of 120 ° in front of ship according to angle Degree is separated into four quantity of state X with distanceo1,Xo2,Xo3,Xo4, wherein angle is with course for 0 ° of benchmark, and barrier and ship connect Angle of the line relative to course, Xo1,Xo2,Xo3,Xo4 angular ranges represented are [- 60 °, -30 °] respectively, [- 30 °, 0 °], Ship movement is reduced to straight line, is advanced with the course for being located at 30 ° on the left of ship's head, with position by [0 °, 30 °], [30 °, 60 °] 30 ° of course is advanced on the right side of ship's head, static, respectively corresponds the serial number of 1-5, the speed of navigation is according to ship polar region environment Performance model calculate, and the execution time acted each time is fixed;Excitation function is set, when the behavior of ship makes itself and target Point distance is close, and excitation function is awarded, maximum value of awarding when reaching target point.When ship is close to can not ice-breaking When regional, penalty value is returned, and when ship and a certain high ice concentration region are bumped against, excitation function should return to a pole Big penalty value guarantees that ship avoids colliding with the region;Movement selection is carried out using ε-greedy strategy, ship is in current environment There is the probability of ε to randomly choose one under state to act, and the movement value function for thering is the probability selection of 1- ε to make current ambient conditions Maximum movement, wherein ε is a lesser constant.
As shown in Fig. 2, risk reminding module uses safety of ship analytical technology, vessel underway oceangoing ship is mentioned using Bayesian network It is reminded for navigation risk, node is the factor for causing ship that accident occurs in arctic navigation, is passed through by expert investigation and history Data are tested to obtain the dependence between node, correlation point is carried out to bivariate using Pearson product-moment correlation coefficient method Analysis, production node complete correlation among nodes analysis, arctic navigation risk bayesian network structure figure are constructed, to vessel underway oceangoing ship Navigation risk is provided to remind.
The succinct function of system interface is simple, only need to input destination coordinate or best road that place name can be navigated by water Line, the data repository of foundation update sea area ice condition data and navigation channel information data on time, provide for the stable operation of system It ensures.
It should be noted that specific embodiment of the present invention illustrates inventive principle and the scope of application.But it is unlimited In a kind of embodiment, under the exploration of experimental spirits, according to other solutions that the invention occurs, the invention is belonged to Protection scope.

Claims (3)

1. a kind of intelligent navigation APP system suitable for polar region ice navigation, characterized by comprising: subscriber information management mould Block, sea ice information analysis display module, destination enquiry module and SIM system information management module;The subscriber information management Module includes: user registration module, user log-in block, position display module and personal information maintenance module;The sea ice Information analysis display module includes: sea area ice condition display module and sea area Ice Conditions Analysis module and sea area ice prediction module; The destination enquiry module includes: that longitude and latitude enquiry module, placename-querying module, path display module and security risk are reminded Module;The SIM system information management module includes: user data management module, sea ice data management module, course data pipe Manage module;Userspersonal information's data of subscriber information module, ice concentration, the ice concentration of sea ice information analysis module Thickness data, the course data of destination enquiry module are stored in SIM system information management module;User's registration submits information, By subscriber information management module, SIM system information management module is passed to, user information is saved;In subscriber information management module Personal information maintenance module modifies to userspersonal information, and modified data are transmitted to SIM system information management module; After user logins successfully, the longitude and latitude data of user position are passed to sea ice information analysis and shown by SIM system information management module Show module, display module user obtains sea ice information around current location by ice condition;Start-stop point and course data are passed simultaneously Pass SIM system information management module;SIM system information management module saves the userspersonal information for updating subscriber information module transmitting, Sea ice information is updated on time, the data of update are passed into sea ice information analysis display module, receives destination inquiry The course data of module, is managed it;Sea ice information analysis display module, obtains sea ice from SIM system information management module Closeness, sea ice thickness information get the bid in base map after processing and show sea ice information, receive position display module user's present bit It sets, transmitting user current location sea ice information gives subscriber information management module, and ice prediction module predicts ice condition information, Prediction data is passed into SIM system information management module;Destination enquiry module, it is excellent by ice formation course line multi-objective optimization algorithm Changing target includes navigation risk, distance to go, navigation energy consumption, hours underway, in conjunction with voyage plan, ship's manoeuverability, cruising ground The real-time ice condition information in domain, middle or short term Weather Forecast Information, the Ship's Optimum Route under the conditions of Dynamic Programming difference preference;The sea It is navigable optimal that the ice prediction submodule combined destination enquiry module of ice information analysis display module obtains future time Path;The path display module shows user query path, carries out decision operation by system and shows optimal path, simultaneously The specific sail information of ship is saved in system database, provides data reference for the path planning algorithm of system.
2. the intelligent navigation APP system according to claim 1 suitable for polar region ice navigation, which is characterized in that sea ice Information analysis display module merges display methods using polar region sea ice, comprising the following steps:
Step 1: making the map with polar region sea ice information;
Step 2: flight course planning being carried out to destination using ice formation course line Q-Learning nitrification enhancement, constructs Bayesian network Network provides navigation risk for ship and reminds;Bayesian network is constructed the following steps are included: to lead to ship thing in arctic navigation Therefore factor be node, construct complete Bayesian network, using Bayesian network to vessel underway oceangoing ship provide navigation risk remind, Dependence between node is obtained by historical data or the method for expert investigation, while using Pearson product-moment correlation coefficient method Correlation analysis is carried out to bivariate, after completing node and correlation analysis, constructs arctic navigation risk Bayesian network Structure chart;
Step 1 the following steps are included:
Step 11: projection is defined to polar region map picture, picture is corresponding with spatial positional information, come with EPSG:3571 Projection setting is carried out, it is to figure layer point of addition point that geographic position name is corresponding with longitude and latitude, while the precision of longitude and latitude is corrected, Stop addition when longitude and latitude error is less than 0.0001 degree;
Step 12: base map is published to server by production polar stereographic projection vector base map;
Step 13: using map overlay method, polar stereographic projection polar plot address in invoking server, by polar stereographic projection map overlay It is shown in platform, hundred-mark system sea ice density corresponding with longitude and latitude matrix and sea ice thickness data is carried out at following normalization Reason: y=(x-MinValue)/(MaxValue-MinValue), x, y are respectively to convert forward and backward value, MaxValue, MinValue is respectively the maximum value and minimum value of sample, and data are converted into the decimal between (0,1), by output result conversion For rgb value, the size of ice concentration and sea ice depth is represented using the saturation degree of color, loops through longitude, latitude, sea ice Closeness, sea ice matrix of depths, every time traversal by longitude and latitude it is corresponding represent ice concentration and sea ice depth rgb value label exist In polar stereographic projection base map;
Step 2 the following steps are included:
Step 21: a underway ambient condition is abstracted and turns to following expression:
S=(Xg, Xo1, Xo2, Xo3, Xo4) wherein, s is an ambient condition in navigation environment space, XgIndicate that ship will reach Target point orientation situation, Xo1, Xo2, Xo3, Xo4For the obstacle information in front of ship, the movement of ship is reduced to straight line Advance, straight line retreats, and is advanced with the course for being located at 30 ° on the left of ship's head, to be located on the right side of ship's head before 30 ° of course Into, it is static, the serial number of 1-5 is respectively corresponded, the speed of navigation is calculated according to the performance model of ship polar region environment, and is moved each time The execution time of work is fixed;
Step 22: setting excitation function, when the behavior that ship is made makes closer at a distance from target point, excitation function 2 is answered This is awarded, guarantee ship can be constantly close to target point, and when reaching target point in subsequent exploration, excitation letter Number should return to a great reward value, and during ship's navigation, not allowing to navigate by water is being more than the height sea of ship ice-breaking capacity Ice concentration region, when ship is close to these regions, excitation function should return to a penalty value, and when ship and certain When one high ice concentration region is bumped against, excitation function should return to a very big penalty value, guarantee the heuristic process later In, ship avoids colliding with the region as far as possible;
Step 23: movement selection being carried out using ε-greedy strategy, ship has the probability of ε to randomly choose under current ambient conditions One movement, and the maximum movement of movement value function for thering is the probability selection of 1- ε to make current ambient conditions, wherein ε is one Lesser constant.Intelligent navigation APP system according to claim 1 suitable for polar region ice navigation, which is characterized in that By studying ice formation course line multi-objective optimization algorithm, when optimization aim includes navigation risk, distance to go, navigation energy consumption, navigation Between etc., in conjunction with voyage plan, ship's manoeuverability, the real-time ice condition information of navigation area, middle or short term Weather Forecast Information, dynamic is advised Draw the Ship's Optimum Route under the conditions of difference preference.
3. the intelligent navigation APP system according to claim 1 suitable for polar region ice navigation, which is characterized in that with The factor for leading to marine incident when arctic navigation is node, further constructs complete Bayesian network, utilizes Bayesian network Navigation risk being provided to vessel underway oceangoing ship to remind, the dependence between node is obtained by historical data or the method for expert investigation, Correlation analysis is carried out to bivariate using Pearson product-moment correlation coefficient method simultaneously, complete node and correlation analysis it Afterwards, arctic navigation risk bayesian network structure figure is constructed.
CN201910710770.8A 2019-08-02 2019-08-02 A kind of intelligent navigation APP system suitable for polar region ice navigation Withdrawn CN110319839A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114460934A (en) * 2022-01-05 2022-05-10 武汉理工大学 Visual guidance method, system and device for navigation of icebreaker and storage medium
CN116206463A (en) * 2023-03-06 2023-06-02 吉林大学 Public road operation vehicle dispatch system

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114460934A (en) * 2022-01-05 2022-05-10 武汉理工大学 Visual guidance method, system and device for navigation of icebreaker and storage medium
CN114460934B (en) * 2022-01-05 2023-08-15 武汉理工大学 Visual guidance method, system and device for ice breaker navigation and storage medium
CN116206463A (en) * 2023-03-06 2023-06-02 吉林大学 Public road operation vehicle dispatch system
CN116206463B (en) * 2023-03-06 2024-04-26 吉林大学 Public road operation vehicle dispatch system

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Application publication date: 20191011