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77 results about "Line planning" patented technology

Line planning method and system

The invention discloses a line planning method and system, and relates to the technical field of electric power line inspection. According to the line planning method, a plurality of feasible inspection paths are generated by obtaining a list of tasks to be inspected and three-dimensional coordinates of an electric tower and an inspection part of the electric tower, combining regional environment data, constructing a semantic knowledge graph and a spatial topological structure chart, determining an optimal path through evaluation, screening and analysis, and transmitting the optimal path to an unmanned aerial vehicle to execute an inspection task. According to the method, the flight state is monitored in real time, the abnormal condition is found in time, and the residual path is dynamically replanned in the inspection process, so that the smooth execution of the inspection task is ensured. The flight state and the environment interference of the unmanned aerial vehicle are monitored in real time, and the dynamic path is replanned according to the actual condition; according to the method, the flexibility and emergency response capacity of the inspection task are remarkably improved, the efficiency and safety of the inspection task are effectively improved by dynamically adjusting the path, and the adaptive capacity of the unmanned aerial vehicle in a complex environment is enhanced.
Owner:HUBEI CENT CHINA TECH DEV OF ELECTRIC POWER

Intelligent line planning and fault early warning method suitable for electric power engineering design

The invention discloses a line intelligent planning and fault early warning method suitable for electric power engineering design, and relates to the technical field of electric power engineering. The method comprises the following steps: quantifying geographic information, geological conditions and construction cost into a continuous decision curved surface through spatial semantic segmentation and a cost curved surface model, and identifying a large-area low-cost region as a primary feasible region in combination with a dynamic clustering algorithm; a multi-dimensional decision index is constructed based on spatial features, geological stability and facility association data, fault regions such as terrain abrupt change or facility conflict are identified through real-time association coefficients, and an exception handling mechanism is triggered; and selecting a seed region with an optimal construction condition as an anchor point, constructing a joint probability model of spatial features and cost, and generating an optimal path considering feasibility probability and cost effectiveness in combination with an expectation maximization algorithm and a graph optimization technology. According to the invention, scientificity and economical efficiency of cable planning under complex geological conditions are improved, and key technical support is provided for intelligentization of electric power engineering.
Owner:江苏高智电力设计有限公司

Flexible interconnection configuration method and system of power distribution network frame, medium and equipment

The invention discloses a flexible interconnection configuration method and system for a power distribution network frame, a medium and equipment, and belongs to the technical field of power distribution network planning of an electric power system, and the method comprises the steps: obtaining an equipment parameter, a source load parameter and a network topology parameter of a current power distribution network; based on the equipment parameters, the source load parameters and the network topology parameters, taking the joint planning of SOP, interconnection switches and lines as an optimization object, taking the lowest comprehensive equiannual value cost of an investment scheme as a target, constructing a target function, and combining a physical structure constraint, an equipment operation constraint, an electrical performance constraint and a network reconstruction constraint to construct a planning model; and iteratively solving the planning model, and outputting a configuration scheme for power distribution network reconstruction. Therefore, by implementing the method, the problems of high investment cost, low operation efficiency and difficulty in realizing efficient consumption of new energy and economic operation of the system under resource constraints caused by lack of cooperation of equipment and line planning in a power distribution network planning configuration method in the prior art can be solved.
Owner:GUANGZHOU POWER SUPPLY BUREAU GUANGDONG POWER GRID CO LTD

Public transit network reconstruction method under urban rail networking operation

PendingCN121303591AData processing applicationsDetection of traffic movementTransit networkPublic transport network
The invention discloses a public transportation network reconstruction method under urban rail networking operation, and the method comprises the steps: obtaining multivariate travel data, carrying out the data-driven calculation of passenger flow OD, and providing scientific data support for network planning; meanwhile, when the whole line network is established, a backbone network and a connection network are adopted to simplify levels, technical indexes and service standards of all the levels are defined, actual passenger flow distribution is accurately measured and calculated, and the reasonability of line planning is ensured; and meanwhile, by establishing a three-dimensional matching index system, quantifying the difference between the current situation and the ideal network, and by differentiating schemes and implementing priority ranking, lines with large difference are optimized according to priorities, so that gradual optimization of the whole network is realized, large-scale oscillation is avoided, and finally reconstruction of the public transport network is realized. A complementary situation with urban rail transit is formed, redundant waste of public traffic design is avoided, and meanwhile, residents can go out more conveniently by optimizing lines.
Owner:GUANGZHOU TRANSPORTATION RES INST CO LTD

Highway construction scheduling optimization method and system based on big data

The invention relates to the technical field of construction management, in particular to a highway construction scheduling optimization method and system based on big data, and the method comprises the following steps: screening abnormal points and calculating a driving distance based on the coordinate data of a transport vehicle, analyzing the matching condition of a track and route planning, and recognizing progress offset and time period rearrangement signals; and dynamically adjusting material putting and equipment operation nodes to obtain a field operation response beat amount. According to the invention, based on big data real-time processing and sequence analysis, time sequence screening and abnormal point elimination are carried out on vehicle coordinate data, remaining road section features are extracted, progress offset is continuously tracked, rhythm offset features are dynamically generated by comparing arrival time and node demands, a periodic trend monitoring and abnormal state identification mechanism is established, and the abnormal state identification accuracy is improved. And dynamically triggering resource allocation time sequence rearrangement, carrying out integrated linkage on data such as a job node state, a material release rhythm and an equipment job window, and realizing resource release rhythm optimization and task parameter self-adaptive adjustment.
Owner:AVIC CHUANGZHI TECH (XIAN) CO LTD

Urban power distribution network medium-voltage line planning method and system considering distributed photovoltaic consumption, storage medium and equipment

The invention discloses an urban power distribution network medium-voltage line planning method and system considering distributed photovoltaic consumption, a storage medium and equipment, and relates to the technical field of power distribution network lines, and the method comprises the steps: S1, a partitioning method based on partition autonomy: dividing a plurality of groups of transformer substation power supply range schemes, and generating a candidate branch set based on a KNN neighbor method; s2, constructing a model: constructing a distributed photovoltaic line planning model based on Linear-Disflow, considering the problems of voltage out-of-limit and line weight and overload caused by distributed photovoltaic access in the model, and directly solving through a Cplex / Gurobi commercial solver; and S3, solving: based on the multiple groups of power supply range schemes generated in the S1, solving the candidate branch set through the model in the S2 to obtain a result, and selecting an optimal scheme according to the result. Through the partition autonomous division method and the candidate branch set generation algorithm based on the KNN neighbor algorithm, the solution efficiency of power distribution network line planning can be effectively improved on the premise of hardly influencing the planning precision.
Owner:STATE GRID JIANGSU ELECTRIC POWER CO XUZHOU POWER SUPPLY CO +1

Sorting control method and apparatus for chip testing

The application discloses a sorting control method and device for chip testing, and relates to the technical field of article sorting, and comprises the following steps: setting a carrier for chip testing; placing a plurality of to-be-tested chips on a plurality of test sites on the carrier, the pins of each to-be-tested chip comprising a scan register and a test access port; connecting a chip testing system, reading a test script corresponding to the plurality of to-be-tested chips; controlling a boundary scan tester to perform boundary scan testing according to the test script, and outputting chip response data; analyzing the chip response data, identifying abnormal chips and test sites of the abnormal chips, and controlling a sorting mechanism to perform abnormal sorting according to the test sites of the abnormal chips. The application solves the technical problems that the existing technology has slow sorting speed, unreasonable sorting line planning, and insufficient combination degree of chip testing and sorting control, and achieves the technical effects of improving the sorting speed, reasonably planning the sorting line, and improving the combination degree of chip testing and sorting control.
Owner:NANTONG HANMIAO INTELLIGENT TECHNOLOGY CO LTD

Current collection line path planning method, device, equipment, medium and product

The embodiment of the invention belongs to the technical field of electric power engineering, and particularly relates to a current collection line path planning method, device and equipment, a medium and a product. The method comprises the following steps of: identifying a sensitive area crossed by a starting fan and a target fan through a connecting line path of the starting fan and the target fan, determining an obstacle avoidance anchor point capable of bypassing the sensitive area according to a spatial relationship between a vertex of the area and the path, generating a primary obstacle avoidance path based on the obstacle avoidance anchor point, and identifying a sensitive area possibly crossed by the path again; and then, for each newly traversed sensitive area, a local optimization anchor point bypassing the area is determined, an optimized new path section is generated by inserting the local optimization anchor point into the path, and then the process is executed circularly until a global obstacle avoidance path which completely avoids all the sensitive areas and is close to the optimal in total length is formed. According to the method, automatic and accurate planning of the line path under the complex geographical constraint is realized, and the economical efficiency and the engineering implementability of the current collection line planning are remarkably improved.
Owner:TBEA TECH INVESTMENT CO LTD

A line planning simulation system and method for power distribution system

An embodiment of the present invention discloses a line planning simulation system and method for a power distribution system, wherein the line planning simulation system includes a data acquisition module, a power load prediction module, a main path simulation laying module, and a wire type determination module; the data acquisition module is used to obtain the user distribution in the area to be planned, the historical power load data of each user in the area to be planned, the population growth rate of the area to be planned, and the economic growth rate of the area to be planned; the main path simulation laying module is used to determine the main path of the distribution line corresponding to the area to be planned based on the user distribution in the area to be planned and the historical power load data of each user in the area to be planned, and simulate the laying along the main path; the power load prediction module is used to determine the predicted power load data of the area to be planned within the target safe working period; the wire type determination module is used to determine the type of laying wire corresponding to the main path based on at least the predicted power load data.
Owner:GUANGDONG POWER GRID CO LTD +1

A lighting device

The utility model discloses a kind of lighting devices, including shell and the LED component, drive component and electric connection component being set in shell, the LED component and the electric connection component are respectively with the drive component electric connection;The electric connection component is used to realize the electric connection between lighting device and soft light band and adjacent lighting device;The rear side of the shell is provided with adhesive part, and the adhesive part is used to realize the adhesive installation between lighting device and wall surface;The lighting device disclosed in the present application, by the adhesive part of the rear side of shell, realize the installation mode of no socket occupancy, without pre-buried bottom box;Compared with the plug-in type foot lamp of traditional socket position occupancy and the 86 type base foot needing pre-buried line, solve the socket resource conflict problem, also avoid the rigid constraint of line planning in the initial stage of decoration, reduce the complexity and cost in the process of decoration, improve overall use experience and economic benefits.
Owner:朗德万斯照明有限公司

AGV feeding route planning method and system

The invention relates to the technical field of feeding route planning, in particular to an AGV feeding route planning method and system. During application, after a feeding instruction is obtained, a corresponding feeding sequence and a reference route are generated, the AGV advances along the reference route to recognize whether a front production machine belongs to the feeding sequence or not, and if yes, the AGV is marked as a to-be-fed machine. When the AGV carries out feeding, the to-be-fed machine table generates an arc-shaped correction track to replace a section of reference route in front, so that other AGVs which do not carry out feeding on the machine table adopt the shortest arc-shaped track which is easy to carry out to bypass the to-be-fed machine table, and enough operation space is provided for feeding work and return travel. And returning to the reference route of the AGV along the shortest distance after the AGV finishes feeding. The whole feeding process is highly automatic, the arc-shaped correction track can be automatically generated to provide redundant space, the two-dimensional code is updated after feeding is completed for a certain period of time, the arc-shaped correction track is automatically eliminated, and the manual scheduling cost is reduced.
Owner:SUZHOU JIASHENG TECH CO LTD

Logistics line processing method, computer equipment, storage medium and program product

The invention relates to a logistics line processing method, computer equipment, a storage medium and a program product. The method comprises the following steps: acquiring input route planning information of each logistics route in a target time period planned for a target area; respectively inputting the route planning information of each logistics route into a pre-trained logistics transportation time length prediction model to obtain the predicted transportation time length of each logistics route; according to the route planning information of each logistics route and the predicted transportation duration of each logistics route, determining a multi-dimensional route planning result index of the target area in the target time period; and displaying the transportation duration of each logistics line and the multi-dimensional line planning result index for logistics line adjustment. By adopting the method, the accuracy of logistics route planning can be improved.
Owner:SF TECH CO LTD

Port blocking process line planning method and system

The invention relates to the technical field of seawall engineering intelligent water conservancy, and particularly provides an entrance blocking process line planning method and system, and the method comprises the steps: collecting original engineering data, constructing a hydrodynamic model, evaluating the prediction precision of a trained prediction model on a verification set, and carrying out the parameter adjustment and optimization of the prediction model; a plugging process line meeting hydrodynamic constraint is planned; and verifying the planning of the plugging process line. According to the method, intelligent planning of the entrance blocking process line is achieved, scientificity and efficiency of seawall engineering construction decision are remarkably improved, meanwhile, historical engineering data and simulation data are effectively integrated, systematic accumulation and reuse of knowledge are achieved, and seawall engineering is promoted to stride towards the high-quality development direction of data driving and intelligent decision.
Owner:CHINA COMM CONSTR FIRST HARBOR CONSULTANTS

Novel straddle type monorail three-opening line changing equipment

The utility model relates to novel straddle type monorail three-section track changing equipment which can meet the requirement for efficient track changing of multi-turnout vehicles in a station yard and save space and comprises a bottom plate, a track and a locking device, the track is located on the bottom plate, a walking trolley is located on the track, and a plurality of turnout beams are located on the walking trolley. One end of the turnout beam is provided with a piled beam and a slewing device, the other end of the turnout beam is provided with a plurality of piled beams, a slewing crank arm mechanism is arranged at the bottom of the turnout beam, rollers on the slewing crank arm mechanism do linear motion in a fixed bottom plate and a guide groove in a track, and the slewing crank arm mechanism is driven by a driving device. The method has the advantages that the problem that the vehicle base space is limited is solved, and the requirement for small-space vehicle base route planning is met; signal receiving and safety feedback requirements are met, and the characteristics of linkage interlocking, flexible action, safety, reliability and the like are achieved; narrow space of a parking lot is fully utilized, the structure is compact, and functions are complete; and fourthly, the part design has good manufacturing manufacturability, and the manufacturing cost is favorably controlled.
Owner:CHINA RAILWAY BAOJI BRIDGE GROUP CO LTD

A local path decision control method, a rice transplanter control system, and a rice transplanter

The application discloses a local path decision control method, a rice transplanter control system and a rice transplanter. It relates to the technical field of rice transplanter control. The application can complete position calibration and line planning adjustment. The application plans the speed and control points of the subsequent line, so that the rice transplanter can have efficiency and safety during operation. The application improves the transplanter speed, controls the speed of the transplanter at the turning point, and avoids the collision with the ridge and other risks caused by the too fast speed of the transplanter. Furthermore, the application also plans a local joining path of the transplanter, solves the problem of resuming after interruption in the transplanter process, and is suitable for all transplanter with automatic navigation function, and has the advantages of improving the safety and efficiency of the transplanter.
Owner:INST OF REMOTE SENSING APPL SICHUAN ACAD OF AGRI SCI

Combined optimization method and equipment for construction and reconstruction of power distribution network frame in constructed area based on mixed integer programming, and storage medium

The invention discloses a combined optimization method and equipment for construction and transformation of a built-up area power distribution network frame based on mixed integer programming and a storage medium. The method comprises the following steps: step 1, constructing a combined optimization solving framework for construction and transformation of the built-up area power distribution network frame; 2, calculating the upper and lower bounds of the number of outgoing lines of the newly-built line; 3, dividing a power supply range of a newly-built line by taking spatial distance characteristics and a load out-of-limit improvement effect into consideration in the comprehensive built area; and step 4, solving based on the objective function of the new line planning and original line reconstruction joint optimization model and the constraint condition of the objective function, thereby obtaining a new line planning and original line reconstruction joint optimization scheme. An apparatus and storage medium for implementing a method process. According to the method, the power supply range of the newly-built line can be accurately divided, and the optimal line layout of safe operation of each line can be met.
Owner:THE ACAD OF TIANJIN UNIV HEFEI

New energy ship cable wiring system

The invention relates to the technical field of cable wiring systems, in particular to a new energy ship cable wiring system which comprises a line planning unit, a trunking preassembling unit, a wiring position positioning unit and a wiring mechanism. The line planning unit adopts a 3D simulation software digital modeling technology, combines a ship structure, equipment layout and power requirements, automatically calculates an optimal wiring path, optimizes cable trend, wire diameter matching and safety spacing configuration, and meanwhile, automatically generates a wiring scheme in cooperation with an AI auxiliary decision-making system, so that high-energy-efficiency and low-loss cable layout is realized; the trunking preassembling unit is used for installing a plurality of fixed trunkings on a cable wiring path at equal intervals according to the wiring path provided by the line planning unit, and recording trunking installation positions and trunking information at the same time; high-energy-efficiency and low-loss cable layout is achieved, high-precision positioning of cable laying is achieved by automatically checking the installation position, manual errors are reduced, and the cable wiring efficiency is improved.
Owner:ZHEJIANG INT MARITIME COLLEGE

A power grid network topology planning method and system considering line pi connection

The application belongs to the technical field of power grid topology planning, and particularly discloses a power grid network topology planning method and system considering line pi connection, which comprises the following steps: establishing a set of nodes capable of being connected Node_pi, setting a corresponding breaking branch and two-arm branch for each node capable of being connected; using a pi connection optimization variable p to represent whether each node capable of being connected is connected, using a branch on-off variable β to represent whether each to-be-built line is connected; using the pi connection optimization variable p and the branch on-off variable β as optimization variables, taking the minimum active power loss and total construction cost as the target, and constructing a topology planning target function; the total construction cost comprises a branch construction cost and a cost saved by introducing the pi connection; the topology planning target function is solved to obtain a network topology planning result. The 0-1 type optimization variable representing the pi connection is introduced in line planning, the network topology structure considering the pi connection can be obtained, and the construction cost can be greatly reduced.
Owner:SHANDONG UNIV +1

Urban power distribution network planning method and system considering three-section two-contact

The invention discloses an urban power distribution network planning method and system considering three segments and two contacts, and relates to the technical field of urban power distribution network planning. Streets and geographic information data, load data and substation position data in a planning area are acquired, modeling is performed on a power supply line layout of the planning area, and the power supply line layout of the planning area is established; a three-section two-connection line power supply model is obtained; establishing a power distribution network planning model based on a three-section two-connection line power supply model by taking load moment minimization as a target and combining actual demands and related constraint conditions; the power distribution network planning model is solved, N-1 fault scene verification is adopted for optimization during solving, and an optimal power distribution network line planning result is obtained. An urban medium-voltage power distribution network is used as a research object, an urban power distribution network planning model considering a three-section two-connection wiring mode is innovatively proposed, and global coordination and overall optimization of a power distribution network topological structure and operation economy are achieved.
Owner:SHANDONG UNIV

Electric power line distribution electronic sand table system based on earth GIS map

PendingCN121765023ASolve data usage issuesReduce planning deviation rateData processing applicationsVisual data miningLine managementSimulation
The invention discloses an electronic sand table system for power line distribution based on a ground GIS map. The electronic sand table system comprises a data acquisition module, a GIS fusion module, a modeling module, a line management module, a crossing detection module and a visual display module. According to the electronic sand table system based on the power line distribution of the earth GIS map, a traditional physical sand table is abandoned, multi-terminal access of a computer, a mobile phone and a tablet computer is supported, an off-line cache function is achieved, the problem of data use in network-free environments such as remote mountainous areas and tunnels is solved, and data can be inquired anytime and anywhere. The overhead line is marked with the safe distance boundary, the actual scene is accurately restored in the system, the problem that traditional modeling straight line connection is disjointed with actual wiring is solved, and the line planning deviation rate is reduced. According to the method, the information retrieval and detection efficiency is improved, planning conflicts are found in advance through precise modeling and crossing detection, the modeling precision is improved, the construction cost is reduced, the application range is wide, and the practicability is high.
Owner:YICHANG POWER SUPPLY CO OF STATE GRID HUBEI ELECTRIC POWER CO LTD +1

AI travel route planning algorithm and system fusing multi-dimensional data and double-end recommendation

The invention discloses an AI travel route planning algorithm and system fusing multi-dimensional data and double-end recommendation, and the algorithm comprises the steps: firstly obtaining a real-time dynamic data source, user personalized constraint data and double-end recommendation route data, and generating an environment state feature vector through multi-modal feature extraction; and a personalized objective function including time budget, interest preference and physical exhaustion variables is constructed. Meanwhile, node mining and weight distribution are carried out on double-end recommendation line data to generate a candidate node knowledge graph, and after multi-objective optimization modeling is carried out on an environment state feature vector and a personalized objective function, solution is carried out in a knowledge graph solution space by adopting an adaptive genetic algorithm; and finally, outputting a recommendation scheme through feasibility verification and personalized sorting. According to the method, the adaptive capacity of route planning to a dynamic environment is remarkably improved, the contradiction between the personalized demand of a user and multi-objective optimization is effectively balanced, and high-quality and high-availability intelligent route recommendation in a complex tourism scene is realized.
Owner:FUJIAN HENGFENG ANXIN TECH CO LTD

Multi-rotor cooperative control method and system for planar linear motor

The invention provides a multi-rotor cooperative control method and system for a planar linear motor, and the method comprises the steps: completing the power-on self-inspection of an edge controller, carrying out the EtherCAT communication inspection and state reading of all stator Planar Units, and determining the working state of a whole planar motor system; multi-mover Mover Unit cooperative control is started, and order distribution and route planning are started to be executed; after the route planning is completed, judging whether a mover Unit reaches the unloading position or not, and if not, circularly executing the route planning until the mover Unit reaches the unloading position; and accumulating the number of the completed orders, judging whether all the order tasks are completed or not, and if not, repeating the steps until all the order tasks are completed, thereby completing the multi-rotor cooperative control of the planar linear motor. According to the technical scheme, the technical problem that cooperative control over the multiple stators and the multiple rotors is difficult to achieve through an existing control method is solved.
Owner:HIWING TECH ACAD OF CASIC

Power transmission line artificial intelligence path planning route selection method and system based on multi-source heterogeneous data fusion

The application provides a power transmission line artificial intelligence path planning route selection method and system based on multi-source heterogeneous data fusion, and relates to the technical field of power transmission line planning.The application constructs a multi-level cost map system by acquiring basic geographic data, obstacle marking data, meteorological data, environmental data and power transmission line starting point and ending point information, including a basic layer, an obstacle layer, a meteorological layer and an environmental layer, and marks the cost coefficients of the corresponding influence factors in each layer to form a cost function.The improved A* algorithm is combined with the cost function to perform path planning and generate an obstacle avoidance path and an economic path.Through multi-source heterogeneous data fusion and intelligent algorithms such as the Transformer neural network architecture, the application can efficiently and accurately complete power transmission line path planning, significantly improve the scientificity, safety and economy of path planning, meet the needs of smart grid construction and promote the intelligent development of power grids.
Owner:SOUTHWEST ELECTRIC POWER DESIGN INST OF CHINA POWER ENG CONSULTING GROUP CORP

PFEP data maintenance and production line planning optimization method based on logistics simulation

The invention discloses a PFEP data maintenance and production line planning optimization method based on logistics simulation, and belongs to the technical field of production line logistics, and the method comprises the steps: making a PFEP form and a layout planning scheme of a new production line, and carrying out the collection and filling based on the existing production line data; importing the two-dimensional layout diagram of the new production line and the three-dimensional model of the material equipment into simulation software, and constructing an equal-proportion simulation model consistent with the planning scheme; performing parameter setting on the simulation model by taking the PFEP data and the business process as simulation input, and debugging, running and outputting a simulation result; the initial PFEP data are perfected in combination with the simulation result, whether the simulation result meets the new production line planning target requirement or not is judged, if yes, an optimal production line scheme is output, and if not, an optimization coefficient is added to the perfected PFEP data to serve as simulation model secondary input for loop iteration optimization simulation till the optimal production line scheme is output. The method has the advantages that automatic discrimination and improvement of the PFEP data and loop iteration optimization of the production line planning scheme are realized.
Owner:XUZHOU XCMG MINING MACHINERY CO LTD

A method for visualizing and evaluating ground subsidence risk of urban underground road shield excavation based on GIS and InSAR

The application discloses a kind of based on GIS and InSAR's city underground road shield excavation Ground subsidence risk visualization assessment and prediction method, and city ground object grading and intelligent annotation are realized by the multi-source data of GIS and InSAR, using the improved filtering method to extract local subsidence and combine related subsidence influence factor to build susceptibility multi-classification evaluation dataset, in combination with artificial intelligence algorithm, according to the established dataset, realize city subsidence susceptibility multi-classification evaluation, and then based on risk matrix, with susceptibility multi-classification as possibility, city ground object importance classification as severity, realize the visualization assessment and prediction of settlement risk for city underground road construction.The advantage of the present application is to realize the visualization assessment and prediction of settlement risk for underground road construction, improve the rationality of line planning and the safety of construction period.
Owner:TONGJI UNIV

Urban power distribution network line planning method and system based on four-loop one-group wiring mode

The invention discloses an urban power distribution network line planning method and system based on a four-loop one-group wiring mode, and relates to the technical field of urban power distribution network planning, and the method comprises the steps: building a load block aggregation model based on street layout data, load data and transformer substation position data, taking the load block compactness as a target, and combining various constraint conditions; operating the load block aggregation model to perform load block aggregation optimization to obtain a plurality of aggregated power supply units; on the basis of the aggregated power supply units, constructing a single connection line planning problem in each power supply unit by taking minimization of load moment as a target and combining constraint conditions; a mixed integer linear programming model is obtained after linearization; and solving the mixed integer linear programming model to obtain a single connection line programming result, and forming a power distribution network based on a four-loop one-group wiring mode by combining decisions of a connection point and a connection line. An urban power distribution network planning model considering a four-circuit one-group wiring mode in a three-section two-connection wiring mode is innovatively provided.
Owner:SHANDONG UNIV

Route planning graphical user interface for electronic device

1. The name of the design product: electronic device route planning graphical user interface. 2. The use of the design product: the design product is used for an electronic device. 3. The design points of the design product: the graphical user interface. 4. The picture or photo that best indicates the design points: interface change state diagram 1. 5. The carrier of the design product is the usual design, and other views are omitted. 6. The use of the graphical user interface: the interface is used for the interactive interface of route planning editing and management. The front view interface is displayed as an initial interface, the interface change state diagram 1 is displayed as the main view entry, the "route planning" function icon is clicked, and the changed interface is presented. Long press and drag a certain location module below the interface change state diagram 1, the interface change is presented as interface change state diagram 2; continue to drag the location module to the position to be adjusted and release, the interface change is presented as interface change state diagram 3, and after the route planning setting is changed, the map route planning above also changes correspondingly. Click the "X" icon on the right side of the middle part of the interface change state diagram 3, and the interface change is presented as interface change state diagram 4. The planned route in the graphical user interface map is used to reflect the interface effect, which will change with the actual route map in actual application.
Owner:宁波安得智联科技有限公司 +1

Methods, devices, electronic equipment and storage media for predicting day-ahead electricity prices

This invention provides a method, apparatus, electronic device, and storage medium for predicting day-ahead electricity prices, belonging to the field of electricity price prediction technology. The method includes: acquiring the province-wide dispatch load, renewable energy output, mandatory start / stop unit capacity, and tie-line planning information for any given time point in the power grid node where the power plant is located; inputting these information into three electricity price prediction models to obtain predicted values ​​for the three day-ahead electricity prices; and finally, calculating the weighted allocation ratio of the predicted values ​​based on a weighted allocation model to obtain the predicted day-ahead electricity price. This invention, by associating and fusing multiple electricity price prediction models and dynamically allocating weights, enables the fused model to accurately predict day-ahead electricity prices in the spot market, while avoiding the problems of lack of connection and singular weight allocation methods in existing model fusion processes. This provides a reliable basis for power generation companies to make day-ahead trading decisions.
Owner:SHENHUA HOLLYSYS INFORMATION TECH CO LTD

Intelligent early warning and monitoring system for power line faults in tunnel environment

The application discloses a tunnel environment power line fault intelligent early warning and monitoring system and relates to the field of power fault identification.The system comprises an instruction control module, a line planning module and the like.The instruction control module is used for accessing the power line general network of a target tunnel, acquiring operation data access and control instruction issuing authority, and the like.The line planning module is based on the topological structure and historical fault point position distribution of the power line of the target tunnel, takes the same point data historical fault distribution as the target, divides the overall line into different scales, and outputs a plurality of different scale lines with physical coordinates and electrical parameters.Through dynamic adjustable multi-scale line division, the traditional global fixed monitoring mode is broken through, the line is divided into different scale independent monitoring units, dynamic merging or cutting according to data trends is supported, the division scale of the line is dynamically adjusted according to the trend deterioration degree and historical data analysis, the optimal segmentation point is flexibly selected under different conditions by using an optimization algorithm, and local fine monitoring is realized.
Owner:JIANGSU ZONGCHI ELECTRIC TECH CO LTD

Circuit planning graphical user interface for electronic devices

1. The name of the design product: the line planning graphical user interface of an electronic device. 2. The use of the design product: for an electronic device. 3. The design points of the design product: in the graphical user interface. 4. The picture or photo that best indicates the design points: the front view. 5. The use of the graphical user interface: click the "start planning" button in the upper area of the front view to enter the interface change state diagram. The "X" and the gray block in the front view and the interface change state diagram are the content pictures. The front view reference diagram is the reference diagram of the front view; the interface change state reference diagram is the reference diagram of the interface change state diagram.
Owner:CTRIP TRAVEL NETWORK TECH SHANGHAI0