108 results about "Public transport network" patented technology

An implementation of a system and method for processing transfer rides associated with at least one public transit network is provided. The system and method preprocess transactions to consolidate or eliminate unnecessary transactions with a financial institution clearing and settlement network.

The invention relates to a public traffic information system for comprehensive management and broadcast and an operation control method thereof. The public traffic information system comprises the components of a vehicle scheduling system, a passenger identification electronic label generating system, a platform passenger flow statistics system, a user information issuing system, a passenger reservation system, a platform electronic board selecting and information upgrading system, an in-vehicle passenger information statistics system and a road condition real-time monitoring system; wherein the vehicle scheduling system, the passenger identification electronic label generating system, the platform passenger flow statics system, the user information issuing system, the passenger reservation system, the platform electronic board selecting and information upgrading system, the in-vehicle passenger information statistics system and the road condition real-time monitoring system are connected with a network node. According to the public traffic information platform and the operation control method thereof, information of the platform, the passenger and the buses can be obtained in real time through the public traffic information platform; furthermore the passenger transport capability of a vehicle is calculated through the vehicle scheduling system according to the invention; and whether vehicle arrangement is required at the platform is determined through the passenger transport capability of the vehicle, thereby reducing a passenger transport pressure. At aspects of actual users and bus scheduling, an integrated information broadcast platform and a bus scheduling method are presented, thereby facilitating public traffic network informatization construction.

A method of performing routing in relation to a multi-modal transportation network involves representing a multi-modal transportation network using a plurality of segments, each being indicative of a navigable segment of the network, and each segment having data representative of a traversal time for the segment associated therewith. The plurality of segments of the multi-modal transportation network includes a first subset of segments indicative of a public transport network, and a second subset of segments indicative of a road network which may be joined, left and travelled through by a user substantially freely at any time. The traversal time data associated with origin segments of the public transport network associated with interchange points with the road network is based on a transit time indicative of a time taken to both train and road networks travel along the segment, and an additional waiting time. A route search is performed between an origin and a destination within the multi-modal transportation network using the traversal time data associated with the segments of the network in order to obtain one or more multi-modal route through the transportation network.

The invention discloses a novel public transportation networking system of a high-speed fully-automatic fully-closed track train. The system is provided with a main control system, wherein the main control system is connected with all networking track trains and a free control system provided with a passenger embarking and debarking functional device, and the free control system is connected with all relevant functional instruments and equipment; the carriages of all the trains are continuously arranged and filled in a fully-closed track, and the trains are connected end to end to form a circular shape; all the trains in the entire system synchronously run with same speed, and routes respectively fitted and butted between the small circular fully-closed transfer track train and each transportation track train or between the passenger embarking and debarking functional device and each track train have the same direction, the same plane and the same speed; and a plurality of stations are arranged at the track sides of the transportation trains and the change trains and the passenger embarking and debarking functional device is respectively installed at each station. The invention has the advantages of large passenger capacity, convenience, rapidness, economy, high efficiency, environmental protection, fully-automatic running, safety, reliability and easy networking and network expanding.

The invention relates to an intelligent emergency management method for urban public transports. The invention comprehensively applies a method of combining theoretical analysis, measured data, model and algorithm, scientifically integrates geographic information system technology (GIS technology), global positioning system technology (GPS technology) and modern communication technology, utilizes intelligently developed public transport emergency technology of a public transport network and coordinative dispatching technology of a traffic control system, takes network-based dispatching and operation management of public transports as a core, is based on key theories and methods of intelligent coordinative dispatching between public traffic system lines, establishes an emergency management method oriented at public transport events, provides good theories, methods and technical support for intelligent management of the urban public transports, and effectively improves the operation efficiency and the operation safety of the public transports by effectively reducing the event detection and acknowledgement time, adopting proper event response measures, safely removing events and managing influenced public transports until the public transports restore the prior traffic capacity.

The invention discloses a public transportation passenger satisfaction evaluation method and system based on a public opinion knowledge graph, and comprehensively considers a passenger satisfaction analysis method based on questionnaire survey and public transportation network public opinion. A network public opinion analysis technology, a natural language analysis method, a public transport knowledge graph, machine learning and other methods are applied to make a powerful supplement to traditional public transport passenger satisfaction analysis. The method mainly comprises the following steps: implementing text acquisition and processing analysis; completing modeling and storage of the public transport public opinion knowledge graph; acquiring and analyzing satisfaction information of'diving 'passengers; achieving public opinion index mapping, service score research and judgment and construction of a historical event method library. According to the method, text topic classificationand satisfaction index positioning are achieved, and corresponding relations between satisfaction and departments and responsibilities thereof are defined, so that powerful supplements can be providedfor traditional public transport passenger satisfaction analysis, and more scientific reference opinions can be provided for understanding public transport passenger demands and related department service shortages.

The invention relates to an urban public transport network optimization method. The benefits of passengers and operators are comprehensively considered, and the use efficiency of paths is effectively improved by searching the path with the maximum direct traveler density between OD pairs. The urban public transport network optimization method overcomes the shortcomings that only the shortest paths are laid, and the laid paths are long and the like in a traditional model. The longitudinal direction of the paths is more consistent with traveler flow, and optimization and service quality of a public transport network is improved. As the model is an NP-hard problem, the problem is solved by a slime mold heuristic algorithm. By the method, the convergence speed of the algorithm is greatly increased while solution quality is ensured, and fine optimization effects are achieved. Therefore, the method can be widely applied to the field of transport network optimization.

In a city wherein the public transportation network is served by several different transportation lines, the visually handicapped persons wishing to accede to a transportation means belonging to a determined transportation line encounters difficulties in locating and arriving to said bus stop, to determine when the required vehicle is approaching and how to signal the driver to let him know in anticipation that the person who is about to embark is suffering from a disability, in order to allow said driver to consider taking the necessary care and precautions. The system uses a device held by each user who needs it, by a device in each bus stop and a device in each vehicle, it is possible to solve the above said problem, exchanging between said three devices five linking signals, of a limited reach. The frequency and other attributes of each one of said signals are one and only one for each transportation line, and as well as for the circulation direction, for each line.

The invention discloses an urban travel mode comprehensive identification method based on mobile phone signaling data and containing road network correction. The method aims at mobile phone signalingdata generated by a target city all day long, and identifies a parking point and an all-day travel OD of each person, and the method includes: firstly, accurately identifying all underground rail transit travel modes through a subway special base station, then, comparing the underground rail transit travel modes with the real navigation data of the Advanced GPS on the basis of extracting mobile phone data characteristic parameters, and identifying the traffic mode of resident travel by utilizing an unsupervised machine learning algorithm. In order to further improve the accuracy and rationality of the mode division result, the result is further corrected by combining the design of the public transport network of the target city and the setting and management and control conditions of the real road. The method gives full consideration to the setting of different levels of roads in different urban roads at the supply side, the management and control rules of different local specific roadsections and the impact on the travel mode from the real bus network arrangement condition, and corrects the recognition result of the traffic mode.

The invention provides an alternative route set generation and overload optimization method and device for a bus network, and relates to the technical field of intelligent transportation, and the method comprises the steps: obtaining an original bus network topology network; determining the bus full-load rate of the historical road section according to the original bus network topology network, and generating a full-connection bus network topology network according to the original bus network topology network; determining an overload road section and an alternative station set corresponding tothe overload road section according to the bus full load rate of the historical road section, and generating a plurality of newly added bus routes in the full-connection bus network topology networkaccording to the alternative station set; updating the original public transport network topology network according to the plurality of newly added public transport lines, and re-determining the public transport full load rate of the optimized road section; and when the bus full load rate of the optimized road section meets a preset optimization condition, determining a plurality of newly added bus routes as an alternative route set. The overload road section is determined according to the bus full-load rate of the historical road section, the newly-added bus route is determined, and the overload condition of the overload road section is relieved.

The invention discloses a demand response type customized bus network planning method based on a two-stage optimization model. The method comprises the steps of dynamically collecting travel demands through a network platform; establishing a demand response type customized bus network framework, and initializing a customized bus network by utilizing historical data; modifying the customized bus network based on an insertion check algorithm and a dynamic insertion algorithm according to the new requirements of the user; integrating all feasible temporary schemes, estimating the travel cost andtravel time of the user, providing travel plans, and waiting for the decision of the user; calculating the travel confirmation probability of the user based on the Monte Carlo simulation process; andupdating the target function and the time deviation constraint based on the travel confirmation number, and statically planning and customizing the bus network by adopting a graph search algorithm based on a branch and bound algorithm to obtain a final scheme. According to the method, the customized bus service is more humanized, and reliable technical support is provided for actual operation optimization of the customized bus.

The invention relates to the computer technical field, and provides a public transport vehicle crowding condition prompting method, a device, a terminal and a storage medium; the method comprises thefollowing steps: receiving a crowding condition prompt request, inputted by a user through a mobile terminal, of a target route bus, wherein the crowding condition prompt request comprises the drive direction of the target route bus and a user selected aboard station; obtaining the current passenger number of each target route bus between the starting station and the aboard station of the target route bus according to the crowding condition prompt request; calculating the crowding degree of each target route bus according to the current passenger number of each target route bus and the presetstandard passenger-carrying number; using a preset prompt mode to prompt the crowding condition of each target route bus through the mobile terminal according to the crowding degree of each target route bus, thus accurately prompting the user about the crowding condition of the bus through the mobile terminal, and improving the intelligent level of the mobile terminal and the public transport network.

The invention provides an evaluation method of a comprehensive index of a urban public transport network, which relates to the technical field of urban traffic operation management. Firstly, the method includes: collecting operation data of the public transport network and calculating the comprehensive evaluation index of the public transport network; determining a range threshold value of the comprehensive evaluation index; determining a bus line network structure improvement scheme according to the range threshold value of the comprehensive evaluation index; using that evaluation index system of the bus line network to evaluate the improvement scheme of the bus line network structure. The invention combines the actual situation of the bus line network, GIS data base on line network, IC card swiping data, a systematic comprehensive evaluation index and its calculation method for Beijing public transport network are put forward in this paper, From the accessibility, reliability, passenger flow matching degree and other multi-level bus network operability, easy to achieve evaluation, with the calculated accessibility, reliability, passenger flow matching degree and other indicators,an auxiliary decision-making tool is provided for scientific bus network optimization and adjustment work.

The invention discloses a multi-mode public transport time table optimizing method for last transfer demand. The method comprises the following steps: screening a key transfer relation and an associated site according to passenger flow characteristics; acquiring running information of rail transit and ground public transportation based on a planned time table and historical running data; acquiring a passenger transfer walking time and a number of bus station parking berths through investigation; proposing a time table optimization target and an adjusting strategy, and establishing a night-time time table two-stage optimization model; establishing a time table optimization model for a last train transfer problem of the rail transit at a first stage, and acquiring an optimum adjusting scheme by utilizing a branch and bound method; and at a second stage, based on the rail transit time table generated at the first stage, considering the constraint of the bus station berths number, establishing a bus time table optimization model for the ground public transportation and the rail transit last train transfer problem, and acquiring an optimum adjusting scheme by utilizing a branch and bound method. The method can be used for systematically decreasing a transfer failure rate in a multi-mode public transport network.

The invention relates to an evaluation method of an urban conventional bus network, belongs to the field of public transport network evaluation; the method includes establishing an index system of urban conventional public transport network evaluation according to the principles of comprehensiveness, scientificity and feasibility from the three aspects of the road network, passenger transport level and service level of urban public transport; then constructing an urban conventional public bus network evaluation model; analyzing and processing data obtained through vehicle following investigation, traffic investigation, data collection and the like to obtain actual index values; carrying out dimensionless processing on each index value, and determining a membership table of indexes according to dimensionless data of each index and a membership function to obtain an evaluation matrix; and then, calibrating the weights of the indexes influencing the network evaluation in the model by using an analytic hierarchy process and yaahp software; and finally, performing two-stage fuzzy comprehensive evaluation and evaluation result analysis and verification, determining the level of the urbanconventional bus network finally, and providing a basis for evaluation of the urban conventional bus network.

The invention relates to a method for monitoring the operation state of a public transport network, belongs to the technical field of intelligent transportation, and particularly relates to the methodfor monitoring the operation state of the public transportation network based on low frequency AVL (Automatic Vehicle Location) data. The method utilizes road geographic information, public transportation AVL data, and site location information, and realizes the operation state monitoring for the public transportation network through the process of public transportation network segment division,public transportation AVL data map matching, data cleaning, sample data construction, sparse data filling, and public transportation network operation situation assessment. The method for monitoring the operation state of the public transportation network based on the low frequency AVL data can provide decision-making basis for urban general traffic system management, customized public transportation network optimization, and public transportation operation scheduling.

Provided is an efficiency weight calculation and public transport plan performance evaluation method in a public transport complex network. The method comprises improvement of a conventional cross sectional flow estimation method; and improvement of a public transport efficiency weighting PTEW method. In an improved algorithm, when the passenger load factor surpasses a certain level, passengers are more likely to miss a bus, resulting in more waiting time, which reduces public transport efficiency; while such effect is not considered in a traditional PTEW algorithm. Compared with an actual public transport plan, there are two plans: the least number of stops and the least number of transfer times; the improved algorithm can calculate public transport efficiency between two stations in a more scientific manner, thereby helping to provide a public transport network optimization strategy by utilizing characteristics of the public transport complex network; and meanwhile, the invention further proposes the improved algorithm of the public transport efficiency weighting PTEW method with more factors being considered, and thus efficiency weight between the two bus stops is defined in a more scientific manner.

The invention provides a bus line network density calculation method based on optimal bus average station spacing. The GIS software is used to optimize the calculation method of bus stop coverage, Then, the relationship between the average station spacing and the site coverage of public transport network is found, and the formula for calculating the optimal average station spacing is deduced. Based on the study of the site coverage and the average station spacing, the calculation method of bus network density is optimized. Finally, the relationship between the structure of road network and thedensity of bus network is clarified. This patent can optimize, guide the evaluation index of bus network, promote and improve the layout method of bus network.

The invention provides a method for measuring the imbalance degree of spatial distribution of a public transportation network traffic flow. The method comprises the following steps of: 1, calculating and collecting practical urban public transportation network data; 2, constructing a weighted oriented space network model of an urban public transportation system; 3, randomly selecting an edge e of the network, and calculating the betweenness of the edge; 4, traversing the whole network, and calculating the betweenness of each edge; and 5, calculating the Gini coefficient of the network. The method can be used for evaluating and balancing the imbalance degree of the spatial distribution of the public transportation network traffic flow, and is beneficial to well controlling and relieving urban traffic jam for the public transportation.

The invention discloses a method and device for setting urban bus stations, a terminal and a computer storage medium. The method comprises the steps of firstly clustering the bus stations to obtain Nto-be-processed areas; respectively connecting any two bus stations in each to-be-processed area to ensure that each to-be-processed area has a plurality of station line segments; connecting cluster centers between neighboring areas to generate area connecting lines between the neighboring areas to ensure that a connection route is randomly generated between blocks and the connectivity of the entire public transport network is guaranteed; generating a plurality of urban bus routes according to the station line segments in each to-be-processed area, the area connecting lines between the neighboring areas and the maximum number of the urban bus routes; and finally, setting the bus stations of the current city according to the selected bus stations of each bus and the urban bus routes. By means of the method, urban managers can effectively plan the urban bus stations when the number of the urban bus stations is large.

The invention provides a bus network model automatic generation method and device and electronic equipment, and relates to the technical field of public transport informatization. After the bus GPS data of each bus in the target city road network and the target city are obtained, a first station set of each bus line is obtained according to the bus GPS data of each bus corresponding to each bus line, and the first station set comprises first geographic information of bus stations included in the bus lines; then the bus GPS data of each bus corresponding to each bus line and the first station set of the bus line are matched with a target city road network; and the geographic information of the target road section and the second geographic information of the bus station included in each busline is acquired to serve as the bus network model of the target city. Therefore, the bus network model can be quickly obtained, and the method has the characteristics of high universality, high accuracy and the like.

The invention discloses a method for predicting arrival time of a bus with missing data. According to the method, firstly, a density-based clustering method is designed to discover important geographic positions; according to the method, excavated geographic positions are used for representing the geographic structure of each route to form node information, and weighted side information with traffic importance is constructed according to the similarity of the geographic structures, so that a public traffic network diagram is formed. Then, a multi-head space-time diagram attention network prediction model is established to learn correlation between bus routes from the angles of space and time, a space attention module is a multi-head diagram attention module with masks, and a time attention module is constructed by an LSTM layer and a transformer layer. According to the method, the travel time of each path in the public transport network can be accurately and effectively learned and predicted, wherein the arrival time prediction accuracy of the bus route with few current travel records can be improved, and the predicted travel time can be provided for the bus route which does not have historical records and is in a design stage.

The invention discloses a multi-mode traffic network construction method and device based on a graph database, and the method comprises the steps: obtaining road data, and generating a walking networkbased on the road data; obtaining public traffic data, wherein the public traffic data comprises station data and line data; generating a grid network, enabling each grid to take a point with a fixedposition in the grid as a virtual platform node, and matching the stations and the grids to obtain a corresponding relationship between the stations and the virtual platform nodes; connecting adjacent stations of the same public transport line, and connecting each station with the corresponding virtual station node to generate a public transport network; respectively matching the virtual platformnodes corresponding to each station to the walking road sections in the walking network, and connecting the virtual platform nodes with the nodes of the matched walking road sections; and generatinga multi-mode traffic network. The method and the device can achieve the fusion of the walking network and the public transport network, and guarantee the rationality of a path planning result.