19 results about "Transportation planning" patented technology

The application provides a kind of storage-conveying combined planning method, device and equipment considering weak link identification of regulation capacity and storage medium. It relates to the technical field of new energy storage and transportation planning. The method accurately identifies weak nodes and bottleneck lines for peak regulation by constructing adjustment capacity supply and demand imbalance tracing and weak link evaluation index. And it analyzes the dynamic relationship between energy storage configuration and line expansion, and constructs a combined planning model considering the trade-off between economy and flexibility. The effectiveness and rationality of the method are verified by matching the Garver-6 system example with actual operation data. The example shows that: on the one hand, the evaluation index can accurately identify weak nodes and bottleneck lines for peak regulation, providing guidance for subsequent planning. On the other hand, the proposed planning method avoids waste of energy storage investment and redundancy of line expansion, and significantly improves the weak links of the power grid.

This invention discloses a method for assessing the accessibility level of public transportation based on work-residence integration, belonging to the field of urban public transportation planning and assessment technology. The method includes: acquiring multi-source data on the public transportation system of the target area, including static geographic information, departure timetables, and historical operation data; dividing the area into spatial analysis units based on planning boundaries and linear geographic elements; calculating and standardizing three indicators—spatial coverage, service frequency intensity, and operational reliability—for each unit; employing an objective weighting method based on information entropy to automatically determine the weight of each indicator according to its dispersion across all units; weighting and aggregating the standardized indicator values ​​of each unit with their corresponding weights to generate a comprehensive public transportation network service capacity index; and finally generating and outputting a service capacity visualization map based on this index. This invention, through multi-dimensional quantification and objective weighting, achieves a scientific and comprehensive assessment of public transportation service capacity, providing intuitive decision support for planning and management.

The invention relates to the technical field of storage intelligent management systems, in particular to a cold chain storage intelligent management system based on the internet of things, which comprises an internet of things network constructed by a plurality of cold chain warehouses, and is characterized in that each cold chain warehouse is internally provided with a temperature adjusting device, an image acquisition device, a temperature acquisition device and a storage and transportation planning module; determining a circulation coefficient according to the space utilization rate of the corresponding cold chain warehouse, determining a to-be-circulated storage object list based on the circulation coefficient and the historical warehouse-out data, and responding to the to-be-circulated storage object list or the to-be-stored object list to obtain the to-be-delivered storage object list so as to match the cold chain warehouse. And a warehousing strategy is determined according to the number of the cold chain warehouses which can be matched. According to the invention, the technical problem that the storage environment of the stored objects is not matched with the actual demand due to the change of the storage environment of the stored objects and the space proportion caused by the fact that the warehouse-in and warehouse-out link of the goods is not comprehensively considered in the prior art is solved.

The invention relates to the technical field of path planning, in particular to a cargo transportation planning method for postal logistics storage. Firstly, data such as the speed, the motor current, the path curve, the cargo point cloud, the mass center and the inclination angle of the AGV are acquired; secondly, quantifying a dynamic cost function value of AGV real-time performance by fusing kinetic parameters such as speed deviation accumulation, steering angle deviation, motor current characteristics and path curvature sudden change; in an obstacle avoidance scene, a penalty influence function value is generated in combination with cargo form change (prominent detection), task emergency degree and steering cost; and finally, globally screening the candidate paths through a multi-target fusion model (cost function + penalty value + path length). According to the embodiment of the invention, through the three-stage architecture of data driving, individual optimization and global collaboration, the matching degree of the dynamic change of the individual AGV and the global task can be effectively improved, and the overall transportation efficiency is ensured.

The application relates to the field of transportation planning, in particular to a multimodal transport shift screening method, device, equipment and medium. The method comprises the following steps: acquiring node information, expected cargo readiness time and target arrival time, analyzing the node information and the expected cargo readiness time, obtaining a current delivery time, performing difference analysis on the target arrival time and the expected cargo readiness time, obtaining total time efficiency, performing prediction analysis on the node information and the total time efficiency, obtaining total delivery time, screening shifts according to the total delivery time and the current delivery time, and obtaining available shifts. The application has the effect of reducing transportation risks in international logistics.

The invention relates to the field of oil transportation planning, and provides an oil transportation route selection method and system based on transportation cost estimation, and the method comprises the steps: obtaining acceleration data through an acceleration sensor, obtaining a motion state through satellite navigation equipment, and obtaining the transportation loss of a transportation carrier through a weight sensor when the transportation carrier carries out transportation; obtaining a turning radius and a motion trail, obtaining an alignment sequence group by using a dynamic time warping algorithm, and calculating a correlation coefficient of the alignment sequence group; determining a road condition, and determining a road loss score; oil storage vapor pressure and storage environment temperature are determined, oil large respiration loss is calculated according to the oil storage vapor pressure, and oil small respiration loss is calculated; judging the oil flow state and determining pipeline parameters, and calculating the residual oil quantity of the pipeline according to the oil flow state and the pipeline parameters; according to the method, the oil transportation route can be selected according to the residual oil quantity of the pipeline, the road loss fraction, the large oil respiration loss and the small oil respiration loss.

The embodiment of the application provides a vehicle transportation line optimization method and device, a planning method, equipment and a medium, and belongs to the technical field of vehicle transportation planning. The method comprises the following steps: acquiring vehicle attribute data of multiple vehicle types capable of performing line transportation demand in a single vehicle in a goods transportation scene, and transportation demand data and empty running transportation data of multiple transportation network points based on a transportation line; for each vehicle type, constructing a transportation space-time network graph according to the transportation demand data and the empty running transportation data; constructing line transportation constraint conditions according to the multiple transportation space-time network graphs, vehicle transportation attribute data, vehicle transportation resource data and vehicle transfer resource data; constructing a vehicle transportation line optimization target according to the multiple transportation space-time network graphs and the vehicle transportation resource data; and obtaining a transportation line optimization scheme based on the line transportation constraint conditions and the vehicle transportation line optimization target. The embodiment of the application can improve the accuracy of vehicle transportation line optimization.

The invention discloses a high-speed rail hub connection and intercommunication intelligent generation design method based on a diffusion probability model, and the method comprises the steps: converting an interchange overpass structure scheme around a high-speed rail station into a two-dimensional black-and-white image with a unified resolution, constructing key parameters, constructing a condition vector, forming an image-condition sample pair, and building a training sample library; a diffusion probability generation model based on U-Net is adopted, a classifier-free guide strategy is introduced for training, and the model can be de-noised step by step to generate a high-speed rail hub intercommunication structure design image meeting conditions. The finally output image scheme can meet the high flow and function requirements in the high-speed railway hub connection scene, the high-speed railway hub intercommunication scheme generation efficiency and automation level are remarkably improved, high universality, high controllability and good engineering adaptability are achieved, and intelligent auxiliary decision support can be provided for traffic planning and design.

The application relates to a kind of urban agglomeration spatial connection structure characterization method and device, method includes: based on mobile communication data extraction individual mobile trajectory, identify the activity, activity site and travel of individual, construct the urban agglomeration spatial connection network based on travel;Urban agglomeration spatial connection network uses the non-overlapping community discovery algorithm based on modularity, identifies the community of close connection;Based on the urban agglomeration spatial connection community result identified, the stability of its core-edge structure is tested;Based on the community division result of urban agglomeration spatial connection network, with community as potential hinterland, by node center tendency index determine the location of central node and its covered geographical range.Compared with prior art, the application has the advantages of improving the accuracy of urban agglomeration spatial structure analysis, providing fine decision support for urban agglomeration comprehensive transportation planning.

Embodiments of the present application provide a kind of goods transport route optimization method and device, transport method, equipment and medium, belong to goods transport planning technical field.The method comprises: obtaining the target goods attribute data and the first transport attribute data of transport task in goods transport scene, and the second transport attribute data of transfer network point;Global transport network connectivity graph is constructed based on the first transport attribute data and the second transport attribute data, and global transport network connectivity graph includes multiple graph nodes and multiple node edges;According to target goods attribute data, node attribute data corresponding to graph node and node edge attribute data corresponding to node edge, construct multidimensional route optimization constraint condition;Determine goods transport route optimization target based on global transport network connectivity graph and preset transport mode constraint condition, and route optimization is carried out in combination with multidimensional route optimization constraint condition to obtain target route optimization scheme.The accuracy of goods transport route optimization can be improved by the embodiments of the present application.

The present application belongs to the technical field of complex environment safe flight of unmanned aerial vehicle, and particularly relates to a multi-unmanned aerial vehicle suspended load safe agile transportation planning and control method. First, a coupled dynamics model of a transportation system composed of multiple unmanned aerial vehicles, cables and loads is established, the load position and the direction angle of each cable are taken as flat outputs, the load trajectory and the cable direction trajectory are mapped into the position and state of each unmanned aerial vehicle, and the whole system safety constraint in the obstacle environment is constructed. Then, the flat outputs are segmented and polynomial parameterized, the bounded constraint variables are converted into unbounded optimization variables through differential homeomorphism mapping, the trajectory optimization problem is solved in real time, and the safe reference trajectory is generated. Finally, each unmanned aerial vehicle performs distributed tracking control according to the local state, the expected total thrust and the estimated cable force according to the generated trajectory. At the same time, according to the safety margin, the cable tension margin, the tracking error, the target point change and the load mass estimation error, the online re-planning of the transportation system is triggered.

The invention discloses a multimodal transport logistics management method, device and equipment based on big data, and belongs to the technical field of logistics management, and the method comprises the steps: collecting multi-source heterogeneous data of a multimodal transport full chain, carrying out the fusion processing of the multi-source heterogeneous data, and constructing a unified logistics data model; based on the logistics data model and the constraint condition of the to-be-transported order, dynamically planning a transportation path from a starting point to a terminal point by adopting a multi-objective optimization algorithm, and generating a plurality of transportation planning schemes; receiving any one scheme selected by the user from the plurality of transportation planning schemes as a current transportation scheme, monitoring the position and state of the cargo in real time according to the current transportation scheme, generating monitoring data, and generating an abnormality early warning event when detecting that the monitoring data is abnormal; and analyzing the abnormal early warning event, generating corresponding scheduling decision suggestions according to different analysis results, and visually displaying the current transportation scheme, the monitoring data, the abnormal early warning time and the scheduling decision suggestions.

The application discloses a coal transportation planning method and system for large power generation groups, and the method comprises the following steps: constructing a procurement-transportation coordination optimization model in the previous month of coal procurement based on historical procurement-transportation data, establishing a large-scale ship unified scheduling model based on the relationship between the number of ship uses and the ship load utilization rate, and constructing a procurement-transportation-inventory management two-layer optimization model based on the upper procurement-transportation coordination optimization model and the lower large-scale ship unified scheduling model; a linear programming algorithm is used to solve the upper procurement-transportation coordination optimization model, and the total procurement quantity plan and the total transportation quantity plan in the dispatching period are output; the current power plant wharf system state quantity is acquired, and based on the total procurement quantity plan, the total transportation quantity plan and the power plant wharf system state quantity, a greedy algorithm is used to solve the lower large-scale ship unified scheduling model, and the ship optimized scheduling plan is output. The application can guarantee safety production and reduce the unloading port frequency.

The invention relates to the technical field of public transport planning and management, and particularly provides a public transport optimization method and device based on heterogeneous crowds. The method comprises the following steps: acquiring the number of heterogeneous crowds in each community in a target area, the total number of interest terminals, the number of reachable interest terminals based on public transport and a negative exponential decay factor; utilizing a reachability calculation model to calculate a reachability index based on the total number of interest end points, the number of reachable interest end points and the negative exponential decay factor; using a fairness calculation model to calculate a fairness index based on the number and the reachability index of each heterogeneous crowd in each community; using a stability calculation model to calculate a stability index based on the reachability index; and optimizing the public transportation of the plurality of communities based on the comprehensive optimization priority index of each community calculated by the accessibility index, the fairness index and the stability index. According to the invention, the public transport short boards of multiple communities can be positioned, and a scientific basis is provided for optimization.

The invention discloses a data model embedded in material railway transportation safety assessment software. The data model comprises functional modules of data management, material vehicle transportation calculation, material safety assessment, result output, user interaction, safety protection, software updating and the like. The data management module stores rich material and vehicle data; the transportation calculation module can accurately calculate a multi-material-type and multi-vehicle-type transportation scheme; the safety assessment module can assess the danger of the special material and give a disposal method; the result output module provides visual result display; the user interaction module facilitates user operation; and the security protection module guarantees data security. The invention aims to solve the problems of safety assessment and transportation planning in material railway transportation and improve the transportation efficiency and safety.

The application discloses a light pipe transportation protection system and method based on three-dimensional vibration isolation technology, belongs to the technical field of light pipe transportation protection, and aims to solve the problems of fixed posture control parameters of traditional light pipe transportation, incapability of adapting to road vibration changes, and easy light pipe structure damage and optical precision drift. The method comprises the following steps: collecting or calling vibration data to divide a transportation sub-path for obtaining a light pipe transportation planning path; initializing posture control parameters, monitoring vibration in real time, judging historical deviation, correcting a speed constraint interval, synchronously updating a vibration data set, and dynamically adjusting posture control parameters. The application realizes dynamic adaptation of light pipe transportation posture control parameters to road vibration, and guarantees light pipe structure safety and optical precision stability throughout the whole process.

The invention relates to the technical field of large-scale public facility transformation construction and transportation planning, in particular to a method for planning a box logistics system in intelligent transformation of a built hospital based on a BIM (Building Information Modeling) technology, which comprises the following steps of: S1, configuring a software environment, installing and configuring Autodesk Revit 2025 as a core modeling platform, then installing Autodesk Naviworks Manage 2025 for collision detection and 4D simulation analysis, and constructing a box logistics system in intelligent transformation of the built hospital based on a BIM (Building Information Modeling) technology; and a unified digital environment and a space reference are laid for all subsequent modeling and cooperative work in a transformation environment. According to the method, a complete technical path from current situation data modeling, algorithm optimization to reconstruction conflict resolution is constructed, a quantitative analysis foundation is laid for accurate planning and construction of a hospital box logistics system in a hospital iteration upgrading process, and cross-field fusion development of architectures and traffic transportation engineering is promoted; the internal logistics circulation efficiency of the hospital is effectively improved, and technical support is provided for efficient operation of the smart hospital.

This invention relates to a method, apparatus, device, and medium for visualizing traffic planning business data, and pertains to the field of traffic big data processing technology. The method includes: acquiring business data in the field of urban traffic planning; cleaning the business data and uniformly mapping it to target data with a preset tuple standard structure; extracting the indicator name dimension information of the target data; determining the visualization rendering type corresponding to the target data according to preset association rules between indicator names and rendering types; completing spatial coordinate matching of the target data based on a preset traffic spatial dictionary; and drawing differentiated visualization markers on a preset electronic map based on the determined visualization rendering type, combined with the matched spatial coordinates and the numerical dimension information of the target data. This achieves differentiated automated visualization drawing based on spatial coordinates and data attributes, significantly reducing the operational threshold.

The application relates to the technical field of path planning, in particular to a kind of goods transportation planning method for postal logistics warehousing. First, the speed, motor current, path curve, goods point cloud, centroid, inclination angle and other data of AGV are obtained; second, by fusing the dynamics parameters such as speed deviation accumulation, rudder angle deviation, motor current characteristics and path curvature mutation, the dynamic cost function value of AGV real-time performance is quantified; in the obstacle avoidance scene, combined with the change of goods form (highlight detection), task urgency and steering cost, the penalty influence function value is generated; finally, the candidate path is globally screened through the multi-objective fusion model (cost function + penalty value + path length). The application embodiment can effectively improve the matching degree of dynamic change of individual AGV and global task through the three-level architecture of "data-driven-individual optimization-global collaboration", and ensure the overall transportation efficiency.