43 results about "Urban logistics" patented technology

The invention discloses a multi-target urban logistics distribution path planning method. The method comprises the following steps: decomposing a three-target vehicle path problem with a time window into a plurality of single-target sub-problems through a group of uniformly distributed weight vectors; initializing the sub-problems by adopting a heuristic strategy; generating a filial generation for the sub-problem by using an evolutionary operator, and designing a target-oriented neighborhood operator to be combined with a variable neighborhood descent algorithm to serve as a local search strategy so as to improve the solving quality of the sub-problem; updating the solution of the sub-problem by adopting a Chebyshev aggregation function; optimizing a non-dominated solution in the archivesby adopting an external archive strategy based on a sorting and congestion degree mechanism; and S3, repeating the steps S3 to S4 until the set maximum number of iterations is reached, and providinga group of feasible vehicle distribution schemes for multi-target urban logistics distribution. Compared with single-target optimization, the method can provide richer decision information for a decision maker, and considers the quality of the solution on the premise of ensuring the convergence and diversity of the algorithm.

The present invention discloses a method and a system for dynamically planning logistics delivery routes based on big data analysis technology. The method includes: using big data to analyze environmental factors and traffic accident factors to establish reduction coefficient functions between various factors and the vehicle speed or delay time functions between various factors and the vehicle speed, using graph and network theories to establish a city delivery road net model and finally using an A * search algorithm to dynamically plan the optimal delivery route. The invention fully considers the influence of environmental factors and traffic accident factors on the delivery route so as to solve the problem of urban logistics delivery route planning, and can effectively deal with the influence of environmental factors and traffic accidents on the delivery vehicles and improve the delivery efficiency and the delivery service level, reducing distribution cost.

The invention discloses an intelligent logistics distribution system and method based on Beidou positioning. A four-stage distribution center comprises a logistics park, a grouping distribution center, a community distribution center, and a tail-end distribution center, wherein a receiving point is disposed between the community distribution center and the tail-end distribution center; the logistics park reaches a group allocation center; the group allocation center reaches a community distribution center; first logistics distribution is carried out between the community distribution center and a receiving point through an intelligent driving vehicle; express items are transported to the receiving point; and second logistics distribution is carried out between the receiving point and the terminal distribution center through the unmanned vehicle, and the express at the receiving point is transported to the express self-pickup cabinet of the terminal distribution center. By constructingthe four-stage distribution center, based on an accurate Beidou high-precision positioning technology, a high-precision navigation technology and the like, the intelligent logistics distribution system and method can realize intelligent logistics distribution among the four four-stage distribution center, and can improve the safety and high efficiency of urban logistics distribution and the remoteintelligent monitoring level of logistics vehicles.

The invention discloses an urban logistics distribution place name and address system which is used by a logistics distribution enterprise for package delivery in an environment of electronic commerce. The system employs the technology of urban partition and grid coding and the technology of computer network and database to solve a problem of line planning and optimization for a large number of delivery tasks. In one embodiment of the invention, an urban map is divided in a layered manner at first according to the administrative regions, azimuth, roads, directions, grid numbers, community units, and positions. The coding of access addresses is carried out according to a vehicle running rule, and a system program distributes an ASCII character for each node sequence. The space names and addresses are stored in a database in a one-one corresponding manner. During the online shopping ordering, a delivery address, including the name of a administrative district, the name and position of a community and the place name and address, is stored in a delivery information table of the database. During delivery, the system program enables the delivery information of all orders to be read and stored in a client, and the information is sequentially presented according to the size of the ASCII of address serial codes of delivery place names, thereby forming a delivery route.

The invention discloses an urban logistics system based on a pipe network. The system comprises a monitoring and dispatching center, tracks, transfer stations, logistics vehicles and multiple branch switching mechanisms. The monitoring and dispatching center is used for (1) monitoring states, positions and motions of the logistics vehicles, (2) monitoring states and motions of the branch switching mechanisms and (3) monitoring transportation states of goods. The tracks are pipe-type tracks and proceeding tracks of the logistics vehicles. The transfer stations are arranged on the tracks and used for loading and unloading of the logistics vehicles. The branch switching mechanisms are arranged at intersections or branches of the tracks. The goods have tags. The monitoring and dispatching center is used for planning transmission paths and controlling operation of the logistics on the tracks based on the planed transmission paths through the branch switching mechanisms, and then sending the sorted goods to a destination transfer station from a departure place transfer station. According to the invention, the system is high in transmission efficiency, easy to implement and high in automation degree.

The invention provides a transportation system and an urban logistics transportation method. The transportation system comprises at least one chassis device, at least one cabin and at least one flightdevice; each cabin is provided with a cavity for transporting people and / or consignments; each chassis device is located below the corresponding cabin and can bear the cabin and adopt a manner of transporting the cabin on the ground; each flight device is located above the corresponding cabin and can grab the cabin and adopt a manner of transporting the cabin in the sky; any two or three of the chassis devices, cabins and flying devices can be detachably connected into a transportation body. According to the transportation system and the urban logistics transportation method, through the manners above, the requirements for efficient delivery and long-distance delivery can be met at the same time.

The invention provides a logistics demand prediction method and system for urban air traffic, and belongs to the technical field of urban logistics traffic. The method comprises the steps: a traffic generation stage: carrying out prediction to obtain the logistics attraction amount and production amount of each traffic zone; a traffic distribution stage: according to the predicted logistics attraction amount and output amount of each traffic zone, analyzing to obtain the travel exchange amount between the traffic zones; a mode division stage: analyzing the sharing rate of the light and small UAVs in urban logistics according to the travel exchange amount among the traffic zones in combination with safety, time and cost, and predicting to obtain an OD distribution matrix of the mode; and a traffic distribution stage: designing an unmanned aerial vehicle logistics route network, and distributing the predicted flow of the ground and air traffic modes to the corresponding route network to complete demand prediction of urban air traffic logistics. The problem of flow prediction of urban unmanned aerial vehicle logistics is solved.

The invention relates to a vehicle-mounted mobile logistics cargo allocation system based on a wireless network, which is applied to a unit transportation carrier of a China logistics market carrying part, particularly serves for Chine land urban logistics carrying vehicles, supervises and governs the vehicles and provides information for sharing and interaction. The vehicle-mounted mobile logistics cargo allocation system is based on the mobile network, and achieves positioning monitoring and routine shielding on transportation carriers, vehicle driving routine planning and mobile type releasing, sharing and transmitting of logistics information of a management department through special software and corresponding hardware. The vehicle-mounted mobile logistics cargo allocation system can ensure information communication between two freight transportation parts and ensures rationality and compliance of transportation routines.

The invention discloses an urban logistics system and method based on a Scrapy frame and a four-rotor aircraft. A hardware platform of the four-rotor aircraft comprises an inertial navigation unit, amulti-degree-of-freedom camera holder, a distance measuring module, a GPS positioning module and a communication module. A data acquisition module mainly comprises a sensor real-time acquisition module and a network information crawling module; an image recognition module is used for analyzing image data acquired by the camera holder, and for marking and positioning, alarming and early warning, carrying out OCR text recognition on an express note by calling a hundred-degree API, acquiring a geographical position, converting the geographical position into longitude and latitude information to obtain an order form destination position, and distributing an instruction signal to a flight control module; the flight control module is used for carrying out attitude calculation on the data acquired by an inertial navigation unit and enabling the aircraft to fly autonomously according to the instruction signal of a control base station; and the control base station and the aircraft adopt two-way communication. According to the invention, the efficiency of the unmanned aerial vehicle logistics system can be improved.

The invention provides a multi-mode combined transportation logistics system based on underground rail freight. The system comprises a metro multi-mode combined transportation joining station, the metro logistics nodes, the freight stations, the regional distribution centers divided according to regions, the passenger and freight simultaneous transportation type metro trains and a metro logisticsscheduling system. The metro multi-type combined transportation joining station is in butt joint with the metro logistics nodes through the cargo elevator, the freight station is in butt joint with the subway logistics nodes through the freight elevators, and the regional distribution center is connected with the metro multi-type combined transportation docking station through the receiving and dispatching trucks; the passenger and freight co-transportation type metro train is a passenger transport metro train with two sections of freight carriages additionally arranged at the head end and thetail end, and the metro logistics scheduling system formulates a logistics box carrying scheme according to the cargo priority and the vehicle and freight matching degree. According to the present invention, an existing urban underground traffic system is transformed, the subway logistics is fused into the multi-mode combined transportation, a new multi-mode combined transportation mode is provided for the urban logistics transportation, the logistics operation link can be effectively improved, the traffic congestion can be relieved, the environmental pollution is reduced, and the cargo transportation efficiency is improved.

The invention discloses a logistics distribution area division method considering a complex road network, and belongs to the technical field of traffic transportation. According to the method, a reverse k-growth multi-scale network model is built on an urban complex road network, the problem of low distribution efficiency in the urban logistics distribution process is solved by adopting a hybrid genetic-cluster search algorithm, and urban logistics distribution region division is realized. The implementation process is as follows: gridding an urban logistics distribution area, combining a road network structure of a real city with a logistics distribution network to form a logistics distribution area network with a complex road network, then establishing a reverse k-growth multi-scale network model to perform initial grid division and expansion division on the logistics distribution network, and finally, optimizing and dividing the logistics distribution area by using a hybrid genetic-cluster search algorithm. According to the method, the urban logistics distribution area can be effectively divided, the operation cost of a logistics operator can be reduced, and the customer service can be improved.

The invention discloses a method for searching the shortest path of urban logistics distribution based on time reliability, which comprises the following steps: acquiring the historical path time datain the designated distribution network within a certain time range; obtaining the degree of customer desire for distribution services; Obtain the data of distribution network, establishing the objective function model with the budgeted travel time as the reliability measurement index, and establishing the constraint conditions according to the objective function model. A genetic algorithm is usedto solve the objective function model and the constraint conditions. The invention firstly considers the fluctuation of the traffic road network and solves the logistics distribution problem by solving the traffic network problem. Then, on the existing vehicle routing problem with time windows, a new concept of time windows is proposed, that is, based on the customer's desire for service as the benchmark, the route optimization model is constructed with the travel time and service time as the objective function, which is more in line with the actual needs and road network conditions.

Disclosed are a logistics distribution method and device and a computer readable storage medium applied to the technical field of logistics, and the method comprises the steps: after generating a target distribution network based on the position of a warehouse and the position of each distribution point, dividing the target distribution network into a plurality of sub-networks, wherein the sum of the required cargo weights of the distribution points included in any one sub-network is not greater than the load threshold value of the distribution vehicles, according to the distribution duration corresponding to each sub-network and the working duration threshold value of distribution vehicles, determining the required number of the distribution vehicles and the sub-network corresponding to each distribution vehicle, and generating a distribution route of each distribution vehicle, the load threshold value and the working duration threshold value of the distribution vehicle are comprehensively considered, the demand number of the distribution vehicle and the corresponding distribution route are determined, and the problem of urban logistics distribution in the prior art can be solved.

The invention provides a three-dimensional urban logistics transport device based on an electromagnetic principle. The three-dimensional urban logistics transport device based on the electromagnetic principle comprises an elevated hanging beam, a pipeline bracket, a concrete pipeline, a copper coil, an electric brush, a rail and a transporting unit. The transporting unit comprises a vehicle head, a power carriage, a freight carriage and a charging energy storing module. The power carriage comprises a vehicle body and vehicle wheels. The charging energy storing module makes contact with the copper coil through the electric brush to form a closed loop circuit, so that a local electromagnetic field is formed in the copper coil. Permanent magnets are correspondingly arranged at the front end and the back end of the power carriage. Magnetism of the surfaces, close to the power carriage, of the permanent magnets is the same. Permanent magnets are correspondingly installed at the front end and the back end of the vehicle head. Magnetism of the surfaces, close to the vehicle head, of the permanent magnets is the same. According to the three-dimensional urban logistics transport device based on the electromagnetic principle, an urban overpass which is an already-existed facility is used, urban three-dimensional spatial resources are fully used, the three-dimensional urban logistics transport device is an effective carrier of same city emergency small parcel transporting, and urban modernization construction and sustainable development are promoted; and by using an electromagnetic permanent magnetic system, the permanent magnets provides part magnetic force, electromagnetic energy consumption is reduced, energy conservation and environment protection are achieved, the operation is stable, and no waste discharging is achieved.

The invention discloses an urban logistics distribution range collaborative optimization method, which comprises the steps of 1) obtaining urban road network structure information, urban road networkreal-time traffic flow data, distribution center position and corresponding capacity information, distribution station position and corresponding demand information, and setting the minimum total distribution cost as an optimization principle; 2) calculating the cost C from each center to each station according to the obtained urban road information such as the real-time traffic flow data, and carrying out matching according to the principle that the total cost in the step 1) is minimum; (3) after the step (2) is finished, the remaining stations which are not matched still entering a second matching process, in the process, the remaining stations serving as objects, searching for a distribution center with the minimum distribution cost for matching, and after all the stations are matched,completing the matching process; and 4) outputting a distribution range division optimization result, wherein the distribution range division optimization result comprises distribution cost and a distribution range division scheme. According to the invention, the logistics distribution efficiency can be improved, and the distribution cost can be reduced.

The invention belongs to the technical field of intelligent transportation processing, and relates to a three-dimensional loading optimization method based on a space region division model, which comprises the following steps of: constructing a three-dimensional loading optimization model based on distribution vehicle compartment space region division by using a formula meeting a constraint condition as an optimization target; and solving the formula on the basis of a GA-TS hybrid optimization algorithm of a genetic algorithm GA and a taboo search algorithm TS to obtain an optimal loading scheme. The method comprises a space region division selection strategy and a three-dimensional loading optimization algorithm design, can optimize the three-dimensional loading space layout of the compartment, improve the vehicle loading rate, reduce the number of used vehicles, facilitate effective integration and optimal configuration of logistics resources, further facilitate improvement of an urban logistics distribution system, and is high in practicability and worthy of popularization.

The invention relates to an intercity fixed-channel intelligent logistics system, which can realize highly-intelligent and unmanned cargo transportation. The system comprises a standard logistics box,a community logistics cabinet, an intra-city logistics channel, an urban logistics station, an intercity logistics channel, a regional logistics center, a regional logistics channel, a standard logistics box, an intra-city logistics vehicle, an intercity logistics vehicle, a regional logistics vehicle and an intelligent logistics management system. The intelligent logistics system adopts all electric drive of cargo transportation, and realizes real-time positioning in the parcel transportation process.

The invention discloses an urban logistics optimization method based on joint distribution. The method comprises the following steps that: establishing a joint construction distribution body; settinga uniform decision mechanism used for being in charge of supervising and constraining logistics enterprises; establishing a joint distribution system, and adding a uniform ID (Identify) identificationcode to an article for tracking the flow direction of the article, and establishing a uniform standard for vehicles and distribution personnel; establishing uniform income and expense distribution, determining a joint distribution expense calculation way, and carrying out controllable regulation on the joint distribution expense calculation way; establishing the arrival of goods authentication way of joint distribution, and after the articles arrive, distinguishing the articles according to different colors; uniformly packaging the distinguished local articles and foreign articles, and givingan article distribution priority; and through the vehicle, uniformly delivering articles by the distribution personnel according to the priority of the articles. A user signs for the articles according to an acceptance method carried by the articles, cities are taken as distribution centers so as to achieve the advantages of high speed and low cost, and the method has a good application prospect.

The invention discloses an urban logistics distribution tractor and a use method. The urban logistics distribution tractor comprises a tractor base, pulleys are fixedly connected to the bottom of the tractor base, a transmission box is fixedly connected to the top of the tractor base, a threaded box is fixedly connected to the left side of the top of the transmission box, and a lifting mechanism is arranged in the threaded box; and an extension mechanism is arranged on the right side of the threaded box, a traction mechanism is arranged on the left side of the vehicle base, and the lifting mechanism comprises a driving motor and a threaded column. The invention relates to the field of logistics distribution technology. According to the urban logistics distribution tractor and the using method, the lifting mechanism is arranged, a driving motor is used for driving a rotating shaft to rotate, the rotating shaft drives a threaded column to rotate, and a rotating bearing and a sliding block are matched to move, so that goods needing to be unloaded can be adjusted to the proper height position, and in addition, automatic goods discharging can be carried out, so that the goods discharging time of the tractor is saved, and meanwhile the convenience is improved.

The invention discloses a subway carriage system for cargo transportation. The subway carriage system comprises a freight platform for loading and unloading cargos, a subway carriage, an internal conveying roller, a jacking transfer assembly, a transfer roller, a bearing roller, cargo trays for loading the cargos, a driving cabin, a built-in sensor, a smoke and fire alarm, automatic driving equipment, a first pedestrian path and a second pedestrian path, wherein the internal conveying roller, the jacking transfer assembly, the transfer roller, the bearing roller, the cargo trays for loading the cargos, the driving cabin, the built-in sensor, the smoke and fire alarm, the automatic driving equipment, the first pedestrian path and the second pedestrian path are arranged in the subway carriage; and the cargo trays are loaded and unloaded through butt joint of an external conveying roller and the internal conveying roller, the cargo trays are transported into the subway carriage through the internal conveying roller and then transported to the bearing roller, and the cargo trays are sequentially arranged on the bearing roller to be stored. According to the subway carriage system, cargotransportation can be conducted on an existing subway line, the purpose of cargo transportation is achieved by transforming the subway carriage, cargo loading and unloading can be automatically conducted, a large number of transportation tasks are completed, cargo management is facilitated, and the transportation efficiency of urban logistics is effectively improved.

The invention discloses urban logistics distribution turnover equipment, and relates to the technical field of turnover equipment. The urban logistics distribution turnover equipment comprises a bottom plate, a disassembling and assembling mechanism is arranged at the top of the bottom plate, a logistics turnover box is movably connected to the top of the bottom plate, damping mechanisms are arranged on the periphery of the inner wall of the logistics turnover box, and a lifting mechanism is arranged at the bottom of the inner wall of the logistics turnover box. The disassembling and assembling mechanism comprises fixing blocks fixed to the left side and the right side of the top of the bottom plate, first sliding grooves are formed in the front side and the rear side of the bottom of the logistics turnover box correspondingly, and the inner surfaces of the two first sliding grooves are slidably connected with the outer surfaces of the fixing blocks correspondingly. According to the urban logistics distribution turnover equipment, through cooperative use of all the structures, the logistics turnover box is locked by first inclined rods, the logistics turnover box is prevented from sliding in the moving process, by arranging the disassembling and assembling mechanism, the logistics turnover box is convenient to disassemble, the practicability is very high, and use of workers is facilitated.

The invention discloses a method for evaluating urban logistics level based on an entropy normalization locality preserving protection, which is characterized by comprising the following steps: (1) determining an urban logistics level evaluation criterion, and performing output and input indicator classification; (2) performing reciprocal on the input indicator obtained in the step (1) and normalizing all the indicators by the minmax method, so that the range is between [0, 1]; (3) performing principal element component analysis and entropy normalization locality preserving protection analysisby using a normalized data matrix X* obtained in the step (2), and finally determining projection vectors PPca and WELpp; (4) using the projection vectors obtained in the step (3) to calculate a global distribution feature coefficient vector X'Pca=PPcaTX* and a local distribution feature coefficient vector X'ELpp=WELppTX*; (5) using the X'Pca and the X'ELpp obtained in the step (6) to perform weighting to obtain a final evaluation coefficient vector X', and performing descending order on X' so as to obtain a final urban logistics level evaluation result. The application of the present invention is applied to the evaluation problem of the urban logistics level.

The invention discloses an optimization method for a two-stage site selection-route problem in urban logistics, and the method comprises the steps: splitting the two-stage site selection-route probleminto two relatively independent layers and four sub-problems which are connected with each other and are easy to solve according to the structural features of the two-stage site selection-route problem; for a small-scale problem, two sub-problems of transfer center site selection and customer allocation are independently considered and respectively processed, and a multi-ant colony algorithm is provided to improve the solving quality of the problem; transfer center site selection and customer allocation are considered together for a large-scale problem, overall optimization is performed, anda hybrid algorithm is provided to improve the solving efficiency of the problem.

The invention discloses a simulation implementation method and system for an urban logistics operation environment. The method comprises three steps of basic information acquisition, data processing and operation environment simulation. Simulation of three different urban logistics operation environments including a certain type, a customer demand uncertain type and a vehicle passing time uncertain type is realized through collection of geographical related information, customer demand related information, vehicle related information and freight traffic management policy related information and processing of urban road network information, customer demand information and vehicle information. According to the method, the urban logistics operation environment is comprehensively and truly simulated, a plurality of examples considering different urban logistics operation environments are generated, and rich and reliable research data can be provided for optimizing urban logistics operation and scientifically formulating freight traffic management policies.

The invention discloses an urban logistics system and method based on public transport. The system comprises a comprehensive dispatching center, a goods special storage device, an intelligent station container, a public transport goods carrying device, and a logistics quick loading and unloading device. The goods special storage device, the intelligent station container, the public transport goods carrying device and the logistics quick loading and unloading device are all in network connection with the comprehensive dispatching center. Urban public transportation and logistics industry are fully combined by adopting multiple technologies such as the Internet and the Internet of Things, a distributed logistics distribution network with reduced centralization and comprehensive dispatching is established, and a win-win situation of multiple parties is realized.

The invention discloses an urban logistics system based on a pipe network. The system comprises a monitoring and dispatching center, tracks, transfer stations, logistics vehicles and multiple branch switching mechanisms. The monitoring and dispatching center is used for (1) monitoring states, positions and motions of the logistics vehicles, (2) monitoring states and motions of the branch switching mechanisms and (3) monitoring transportation states of goods. The tracks are pipe-type tracks and proceeding tracks of the logistics vehicles. The transfer stations are arranged on the tracks and used for loading and unloading of the logistics vehicles. The branch switching mechanisms are arranged at intersections or branches of the tracks. The goods have tags. The monitoring and dispatching center is used for planning transmission paths and controlling operation of the logistics on the tracks based on the planed transmission paths through the branch switching mechanisms, and then sending the sorted goods to a destination transfer station from a departure place transfer station. According to the invention, the system is high in transmission efficiency, easy to implement and high in automation degree.

The invention discloses a method for finding the shortest path of urban logistics distribution based on time reliability, which includes: obtaining historical path time data in a designated distribution road network within a certain time range; obtaining the customer's desire for distribution services; obtaining the distribution route Network data, set up the objective function model with estimated travel time as the reliability measure index and set up the following formula to establish constraint conditions according to the objective function model; Utilize genetic algorithm to solve described objective function model and constraint conditions. The present invention first considers the volatility of the traffic road network, and solves the logistics distribution problem with the idea of ​​solving the traffic network problem; then, on the existing vehicle route problem with time window, another new time window is proposed. The concept is to build a route optimization model based on the customer's desire for service and use the travel time and service time as the objective function to build a route optimization model, which is more in line with actual needs and road network conditions.

The invention discloses a logistics business model. A part of the storage area is designated in the logistics warehouse of the city, and the part of the storage area is rented to an e-commerce merchant of the assembled commodity to store accessories of the assembled commodity, and the logistics warehouse receives the information of the e-commerce merchant After that, the accessories are sent to the customer directly by the logistics warehouse. The invention provides a new logistics business model, which can deliver accessories to customers in time, can help e-commerce merchants improve customer experience, and expand logistics service items.