47results about How to "Reduce planning costs" patented technology

The invention discloses an automatically way-finding blind person intelligent auxiliary device. The blind person intelligent auxiliary device comprises guide blind glasses and a machine guide dog; theguide blind glasses are used for obtaining the real-time information of a scene and processing and identifying; the machine guide dog comprises a control calculation module, a voice module, a navigation module, a barrier avoidance module and a driving module; the control calculation module is used for the interaction and processing of the image information, and the control and data transmission of the driving module; the voice module is used for human-computer interaction, the navigation module interacts with the voice module, and plans the path according to the voice instruction and returnsthe planning path to a user; the barrier avoidance module obtains surrounding environment data and conducts barrier avoidance processing; and the driving module drives the machine guide dog to move. According to the automatically way-finding blind person intelligent auxiliary device, an integrated blind guiding package with functions of voice interaction, real-time navigation, route planning, real-time scene detection, specific scene reminding, human face recognition, auxiliary reading, weather query, intelligent chat and barrier avoidance is achieved.

The invention discloses an aircraft penetration trajectory planning method based on an RRT* algorithm and belongs to the field of aircraft trajectory planning. The implementation method disclosed in the present invention comprises the following steps: based on RCS data of an aircraft under different attitudes in a circumferential direction, a radar detection probability model is established to determine the probability that the aircraft is detected by radar during penetration processes; an aircraft penetration trajectory planning model is established based on a Dubins path; based on the RRT* algorithm and the aircraft penetration trajectory planning model, penetration trajectory planning is conducted, that is, the penetration trajectory planning is conducted based on combination of asymptotic optimality of the RRT* algorithm and a feature of a shortest Dubins path, the cost of aircraft penetration trajectory planning can be effectively reduced, an aircraft penetration trajectory can beobtained, and effective penetration of the aircraft can be achieved. Since no numerical integration method is needed for the Dubins path to solve a dynamic model, a principle to solve based on a geometric method, and therefore efficiency of the trajectory planning can be improved. The aircraft penetration trajectory planning method disclosed in the invention can be applied to stealth penetrationtrajectory planning of the aircraft, and is especially suitable for the stealth penetration trajectory planning of an airplane.

The present invention provides a parameter configuration method and an operation administration and maintenance server. The parameter configuration method includes: performing the area detection to a network access point, locating the area which the network access point belongs to; configuring the area configuration parameter for the network access point according to the area which the network access point belongs to; assigning the physical cell identifier (PCI) for the network access point. The present invention implements automatic configuration to the parameter of the network access point based on the area detection and automatic assignment to the PCI of the network access point, thus improving the rationality and veracity of the PCI assignment and reducing the assignment cost and the time for establishing the base station.

The invention relates to a method for establishing an active power distribution network planning model considering site selection and constant volume of an electric vehicle charging station. The method comprises: converting the traffic flow of the electric vehicle into a mobile charging demand in a traffic network on the basis of the site selection and constant volume of an electric vehicle charging station, and establishing an electric vehicle traffic network model based on an M / M / s queuing model and a closure site selection model in the traffic field; establishing a distributed power supply(including wind power and photovoltaic) and load model by adopting a time sequence method, and simulating the output or requirements of the distributed power supply and the load in different time sequence scenes; establishing an energy storage element model in the power distribution network based on an equivalent load thought; establishing an embedded layer planning model by taking the economy andreliability of a power distribution network and the maximum traffic flow intercepted by an electric vehicle charging station as targets. On the premise of optimizing system operation as much as possible in an inner layer, the construction cost input of an active power distribution network is fully improved in an outer layer, the overall economy of power distribution network planning is improved,and the voltage distribution of the power distribution network is improved.

The invention discloses a traffic network and electric automobile charging station coordination planning method and belongs to the traffic planning and electric automobile charging scheduling technology field. The method comprises steps that a coordination planning model taking highest traffic network reliability, highest user satisfaction and lowest electric automobile charging station investment construction cost as targets is established, firstly, an electric automobile charging station planning scheme preferably satisfying the highest user satisfaction and the lowest electric automobile charging station investment construction cost is determined under the maximum electric automobile latency constraint, secondly, a planning scheme of the traffic network is determined under the lowest total road reconstruction and electric automobile charging station investment construction cost constraint, lastly, a combined scheme capable of satisfying the highest user satisfaction, the lowest electric automobile charging station investment construction cost and the lowest road reconstruction lost can be acquired. The method is advantaged in that influence of the traffic network on electric automobile user charging selection is reduced, and dual-network planning cost is reduced.

The invention relates to a microgrid planning method considering load voltage characteristics and new energy strong uncertainty. The method comprises the steps of 1, establishing a new energy model; 2, establishing a power function load static characteristic model corresponding to each type of load; 3, establishing a microgrid planning comprehensive mathematical model considering load characteristics and new energy; 4, performing optimization solution by using an adaptive genetic algorithm; and finally, performing example simulation verification. Compared with a traditional microgrid planningmethod, the invention has the advantages that the load voltage characteristics and the strong uncertainty of new energy are considered at the same time, and microgrid characteristics and actual conditions are better met; requirements for reactive power output of new energy are provided, so that voltage fluctuation of the microgrid is smaller, and safe and stable operation of a microgrid system isguaranteed. According to the microgrid planning method with the minimum network loss and voltage fluctuation as the target, the planning cost of new energy can be reduced, the network loss of the microgrid can be reduced, and more economical operation of a microgrid system can be ensured.

The invention discloses a micro-grid park integrated energy system planning method and device, a terminal and a medium. The method comprises the following steps: acquiring energy demand data, time-of-use electricity price information, natural gas price and meteorological information of a park to be planned, and equipment parameters, equipment investment cost and equipment maintenance cost in an integrated energy system of the park to be planned; the influence of temperature change on thermodynamic characteristics of steam is considered, and equivalent energy storage of a steam heat accumulator of the microgrid park is modeled by considering valley electricity heat storage; setting constraint conditions of a planning model according to the acquired data information, and taking the minimum comprehensive cost as an objective function, thereby constructing a cold-hot electro-optical storage and charging integrated microgrid park planning model considering electric power-steam multi-energy complementation; and solving the planning model, and outputting a planning scheme about whether each device in the integrated energy system is configured, the configuration capacity and the operation output curve of each configured device. According to the invention, the energy structure of the park is optimized, the resource utilization efficiency is improved, and the stability of the system is enhanced.

The invention discloses an active power distribution network planning model construction method considering a data center. The method comprises the following steps: acquiring basic parameters; establishing an active power distribution network planning model considering the data center by using a two-stage stochastic optimization method; substituting the basic parameters into the model, and solving the model by adopting an improved group search optimization algorithm with the goal of minimizing the investment operation cost of the active power distribution network and improving the utilization rate of renewable energy sources and reducing the carbon emission, and outputting schemes of the selected model of the transformation line, the installation position of the intelligent electric meter, the installation position of the wind turbine generator, the number of started servers in each time period of the data center, the time dimension task migration quantity in the data center, the electricity purchase quantity of the distribution network, the actual output of the wind turbine generator, the energy storage charging power and the energy storage discharging power. According to the method, the time dimension transferable load of the data center and the flexible charging and discharging performance of the equipped energy storage equipment are considered, the planning cost of the active power distribution network can be effectively reduced, distributed energy consumption is promoted, and carbon emission is reduced.

The invention discloses a pipeline arrangement method and device and a computer readable storage medium. The arrangement method comprises the steps: obtaining an arrangement starting point, an arrangement ending point and an obstacle in a preset drawing; according to the position information of the obstacle, generating a shortest path connecting the arrangement starting point and the arrangement ending point; and marking the shortest path on the preset drawing according to the shortest path, and updating the preset drawing for pipeline arrangement. According to the method, the computer is used for calculating the optimal arrangement mode of the pipelines to replace manual calculation, so that the problems that in the prior art, the route planning cost of path arrangement is high, the efficiency is low, and errors exist between the path arrangement and the actual shortest path are solved.

The invention provides a method and a device for configuring equipment in wavelength division multiplex (WDM) networks. The method comprises the steps as follows: a. final constrained parameter values in all service receiving ends are confirmed according to constrained parameter values in the links, through which all services loaded by WDM networks pass; b. the final constrained parameter values in all service receiving ends and equipment tolerance values in all service receiving ends are compared, and links through which sub-par services pass are regulated till the final constrained parameter values in all service receiving ends fall within the range of the equipment tolerance values in all service receiving ends. The technical proposal provided by the invention can optimize network planning process, and can realize the goal of reducing the workload of model computation, so as to save planning cost and meet the requirements raised by a large-scale WDM network planning; meanwhile, the technical proposal provided by the embodiment of the invention can also optimize the specifications of the equipment, thereby realizing the goal of reducing capital expenditures of the networks.

The invention belongs to the technical field of three-dimensional unmanned aerial vehicle path planning, and particularly relates to an unmanned aerial vehicle three-dimensional path planning method based on a multi-gene optimization chimpanzee algorithm, which comprises the following steps: S1, initializing information of unmanned aerial vehicles and targets, and acquiring the positions and the number of initial unmanned aerial vehicles and the target point information of the unmanned aerial vehicles before distribution is started; and the position of the target is detected. The invention provides an unmanned aerial vehicle path planning method based on an improved chimpanzee algorithm by optimizing a traditional chimpanzee search algorithm and taking minimization of unmanned aerial vehicle path planning cost as an optimization target. The improved chimpanzee algorithm is fast in optimization speed, strong in capability and not easy to fall into local convergence, and can well deal with high-dimensional complex problems. By improving the chimpanzee algorithm, the multi-unmanned aerial vehicle path planning cost is reduced, and an ideal path planning scheme can be quickly found.

The invention relates to a method for drawing a reference surface of a single H-type steel member. The method includes steps of (1) assembling a datum line to lead out a special drawing device; (2) drawing a web datum line of the single H-type steel member, to be specifically, drawing the web datum line on a side web of the single H-type steel member by means of the Pythagorean theorem; (3) leading out and drawing a datum line of the upper half of a wing flange of the single H-type steel member; (4) leading out and drawing a datum line on the lower half of the wing flange and the back of the web, connecting and closing all the datum lines to form the reference surface, and completing drawing of the reference surface of the single H-type steel member. The method is simple in processing and efficient in drawing, drawing accuracy is improved, drawing cost is reduced and assembly and mounting quality of the member is effectively guaranteed.

The invention discloses a wireless local area network (WLAN) accurate station building method based on mobile internet service awareness. The wireless local area network accurate station building method based on the mobile internet service awareness is achieved by adding a new entity between a metropolitan area network outlet and a provincial network. At present, most operators finish building internet flow analyzing systems. If WLAN hot spot station building information can be found out by the internet flow analyzing systems, cost in WLAN station building planning is greatly reduced. By means of the internet flow analyzing systems which are built by the operators, under the conditions that no route testing instruments are used or a base station resources searching function s not opened, working conditions of equipment on existing WLAN hot spots are confirmed through comprehensive evaluating of bandwidth occupation, utilization rates and quality of experience (QoE) factors of the WLAN hot spots. The problem of WLAN hot spot station building is mapped into the mobile internet service awareness, namely information on sites for the WLAN hot spot station building can be deduced. Through the deducing method, a map of WLAN hot spot demands can be easily and conveniently deduced and WLAN hot spot station building site information is predicted, so that cost in planning WLAN hot spot station building is greatly reduced.

The present invention discloses portable municipal greening auxiliary planning equipment. A structure of singlechip PCB superimposed cell unit is employed, and a shell is provided. The PCB is mainly provided with a singlechip, an air temperature and humidity sensor, a clock chip, a wireless transmission module, a power conversion module, a relay, a soil moisture sensing probe, a temperature sensor and a light sensor. All sensors and the wireless transmission module are connected with the singlechip; and the singlechip has the read the functions of data read and control of wireless transmission module, and realizes data acquisition and upload. The data can be uploaded to a client terminal, and the client terminal analyzes and processes the data; and a final municipal greening plan is fed back to the user. The equipment is portable, small and exquisite, convenient for data measurement and has wide range of application.

A method for planning a hybrid power distribution network with renewable energy generation is provided, which includes an AC-DC hybrid power distribution network. The AC-DC hybrid power distribution network includes a DC part and an AC part. Both the AC part and the DC part can be connected to a renewable energy power generation device and a user load. The DC part and the AC part are connected through power electronic converter equipment. The AC part is also connected to an external power grid. The purpose of the invention is to provide a method for planning an AC-DC hybrid power distributionnetwork with renewable energy generation that can well take into account the operation cost of the renewable energy generation and the supply benefits of the hybrid power distribution network, takes into account the randomness of the renewable energy power generation output power, and takes into account the needs of the power distribution network to participate in external power market transactions.

The invention relates to the technical field of path planning, in particular to a cotton field agricultural machine path planning method based on prior navigation information, which comprises the following steps: acquiring sowing navigation data of a cotton field, marking breakpoint coordinates of missing parts in the sowing navigation data, and estimating an obstacle range according to the breakpoint coordinates; removing an artificial auxiliary driving part in the seeding navigation data, marking transverse operation and longitudinal operation endpoint coordinates, and performing coordinate translation according to the planting agronomic data; generating a U-turn path, a transverse and longitudinal operation connection path and an obstacle avoidance path; and integrating the U-turn path, the transverse and longitudinal operation connection path and the obstacle avoidance path into the seeding navigation data without the artificial auxiliary driving part to generate a full-coverage operation path, marking the specified coordinate point of the full-coverage operation path as a function point, and embedding semantics. The method can achieve the precise row control of the land parcels covered by the crops, obtains a feasible target path, improves the precision of path planning, and reduces the planning cost.

The invention discloses a power distribution network and micro-grid distributed collaborative planning method and system based on an improved target cascade analysis method. Comprising the following steps: considering power distribution network topology and security constraints, and establishing an upper-layer power distribution network planning model by taking the minimum total cost of power distribution network planning as a target; establishing a lower-layer multi-microgrid planning model by taking the minimum total planning cost of the microgrid as a target in consideration of the aggregation capability of the microgrid to various internal resources; and solving the power distribution and micro-grid collaborative planning model by adopting an improved target cascade analysis method. Aiming at the power grid planning problem under the background of multiple planning subjects in the future, the effect of integrating various distributed energy sources by the micro-grid is exerted, the planning resources of the micro-grid and the power distribution network are coordinated, and the planning cost of each planning subject is reduced. According to the method, internal power generation resources of the power distribution network and the micro-grid can be reasonably planned, collaborative planning is realized only by means of a small amount of information on the premise that global equipment information is not needed, information privacy of each planning main body is protected, and economical efficiency of each planning main body scheme is improved.

The invention relates to a method specially used for drawing a datum plane of combined H-steel. The method includes the steps that first, a drawing device specially used for leading out datum lines of a middle flange plate is assembled; second, a drawing device specially used for leading out datum lines of side flange plates is assembled; third, datum lines of webs on the two sides of the middle flange plate of a combined H-steel component are drawn; fourth, the datum lines of the middle flange plate of the combined H-steel component are drawn; fifth, the datum lines of the upper half portions of the side flange plates are led out and drawn; sixth, the datum lines of the lower half portions of the side flange plates are led out and drawn; seventh, the datum lines of the lower portion of the middle flange plate of the combined H-steel component are drawn. The method specially used for drawing the datum plane of the combined H-steel is easy to machine and efficient in drawing, the drawing precision is improved, the drawing cost is reduced, and the assembly and installation quality of the component is effectively guaranteed.

The invention discloses an optical access network ODN intelligent clustering planning method for sparse user distribution, and belongs to the technical field of communication. The method specifically comprises the following steps of: firstly, for a certain planning area, randomly generating position coordinates of k initial centroids as second-level light splitting points on a wiring segment of an ODN by taking the geographic position of a user in the area as input; then, constructing a cost function T, and optimizing the number k of the initial centroids and position coordinates; thirdly, determining the position coordinates of first-level light splitting points and optimizing the position coordinates; according to the optimized positions of the second-level light splitting points and the first-level light splitting points, calculating the reserved length of an optical fiber, and completing the planning of the wiring segment; for feeder line segment planning of the ODN , determining a weight connectivity graph through a connectivity relationship between field areas, and searching for a minimum spanning tree by adopting a minimum spanning tree algorithm; finally, completing optical access network ODN planning of sparse users according to planning results of the wiring segment and the feeder line segment. According to the method, the top and the bottom are combined, and the optical fiber planning cost is reduced while optimal planning is realized.

The invention belongs to the technical field of power distribution network self-healing, and particularly relates to a power distribution network self-healing method considering distributed new energy access, which comprises the following steps: dividing a power distribution network into elastic micro-grid clusters; establishing a micro-grid self-healing optimization model: in a normal operation mode, taking electricity selling profit maximization as an objective function, and considering micro-grid self-healing optimization constraint conditions; the micro-grid self-healing optimization constraint conditions comprise a distributed new energy capacity constraint, a remote control switch maximum installation number constraint, an energy storage device system operation constraint, and a power constraint, a power flow constraint and a network constraint of each micro-grid; when a fault is detected, disconnecting the micro-grid from the main power grid, and entering an island mode; and isolating the fault area from the non-fault area, and rescheduling the load of the non-fault area to balance the load.

The invention provides a network construction type energy storage planning method and system considering inertia response and primary frequency modulation, and the method comprises the steps: screening a typical new energy output scene based on a Monte Carlo method and a scene reduction method, and building an energy storage planning configuration model of a new energy base in the typical scene; the method comprises the following steps: excavating the power self-adaptive adjustment capability of network construction type energy storage, setting the power self-adaptive adjustment range of the network construction type energy storage, and constructing a mathematical model representing the power adjustment and inertia compensation characteristics of the network construction type energy storage; the method comprises the following steps: introducing frequency safety into an energy storage planning configuration model as a target function to form a double-layer model, carrying out iterative solution on the double-layer model by adopting a genetic algorithm, and deciding a network construction type energy storage optimal configuration scheme under joint linkage of economical efficiency and safety targets. The frequency of the new energy base can be safe and stable.

The invention discloses an electric power communication multi-route automatic planning method coupled with a power grid constraint condition, and the method comprises the following steps: S1, node data acquisition: obtaining node data in network coverage, and drawing a network topology graph; s2, priority ranking: ranking the priorities of the transmitted data services according to the data service information, determining an allocation sequence according to the priority sequence, and enabling the higher the priority is, the higher the allocation sequence is; s3, acquiring a shortest path; s4, acquiring a secondary path; s5, performing dynamic adjustment; s6, optimizing the path; and S7, outputting a result: outputting the electric power communication multi-routing path meeting the constraint condition and the optimization target. According to the electric power communication multi-route automatic planning method coupled with the power grid constraint conditions, the shortest path data calculated according to the multi-constraint conditions is screened, and the recommended path is obtained by automatically planning and combining with the optimization service requirements and the shortest path data through an algorithm, so that the efficiency and accuracy of route planning can be remarkably improved.

The invention provides a power flow optimization method for a cold-heat-electricity integrated energy system. The power flow optimization method comprises the following steps: A, constructing a planning construction cost minimum objective function for the cold-heat-electricity integrated energy system; b, establishing an electric power system constraint model, a heat supply system constraint model, an energy station constraint model and a cold force load power constraint model as constraint conditions of the minimum objective function of the planning and construction cost; and C, solving the objective function with the minimum planning and construction cost according to the constraint conditions in the step B. According to the power flow optimization method for the cold-heat-electricity integrated energy system, load power balance of cold, heat and electricity and stable operation of the system can be met, it can be guaranteed that the overall planning cost of the system is minimum, and a basis is provided for achieving optimized operation of the system and the maximum economic benefit.

The invention discloses a regional energy system planning method considering active power distribution network electricity price excitation. The method belongs to the technical field of integrated energy system planning, and comprises the following steps: firstly, modeling operation models of a wind turbine, a photovoltaic device, an energy storage device, a hydrogen storage system, a fuel cell and an electric hydrogen production device in a regional energy system; then, an active power distribution network operation model and a regional energy system planning model based on a stepped carbon transaction mechanism are established; a master-slave game model is constructed by taking an active power distribution network as a leader and a regional energy system as a follower, and a master-slave game model solving algorithm based on a talent competition algorithm is constructed to solve the master-slave game. And finally, verification is carried out in combination with four different models, and results prove that the model and the planning strategy provided by the invention effectively reduce the planning cost of the regional energy system and realize cross-seasonal storage and utilization of electric energy.

The invention provides a method and a device for configuring equipment in wavelength division multiplex (WDM) networks. The method comprises the steps as follows: a. final constrained parameter values in all service receiving ends are confirmed according to constrained parameter values in the links, through which all services loaded by WDM networks pass; b. the final constrained parameter values in all service receiving ends and equipment tolerance values in all service receiving ends are compared, and links through which sub-par services pass are regulated till the final constrained parameter values in all service receiving ends fall within the range of the equipment tolerance values in all service receiving ends. The technical proposal provided by the invention can optimize network planning process, and can realize the goal of reducing the workload of model computation, so as to save planning cost and meet the requirements raised by a large-scale WDM network planning; meanwhile, the technical proposal provided by the embodiment of the invention can also optimize the specifications of the equipment, thereby realizing the goal of reducing capital expenditures of the networks.

The barrier gate capable of controlling the direction of the panel is applied to the field of barrier gates and comprises a shell, a plate body is arranged on one side of the shell, a first gear and a second gear which are meshed with each other are arranged in the shell, a second connecting rod is fixedly connected into the second gear in a sleeved mode, and a connecting plate is fixedly connected to the surface of the second connecting rod in a sleeved mode. When the barrier gate machine is used, the plate body is carried to the side of the connecting plate, the direction of the plate body can be selected according to the LED display screen on the surface of the plate body, after the facing direction of advertisements is determined, the inserting groove in one end of the plate body sleeves one end of the connecting plate, then the bolts are inserted into the corresponding embedding grooves, and the connecting plate is inserted into the connecting plate. By means of the arrangement, the advertisement direction of the plate body can be conveniently adjusted according to the actual situation, on-site flexible installation is achieved, the planning cost is reduced, and convenience is brought to use.

The present invention provides a parameter configuration method and an operation administration and maintenance server. The parameter configuration method includes: performing the area detection to a network access point, locating the area which the network access point belongs to; configuring the area configuration parameter for the network access point according to the area which the network access point belongs to; assigning the physical cell identifier (PCI) for the network access point. The present invention implements automatic configuration to the parameter of the network access point based on the area detection and automatic assignment to the PCI of the network access point, thus improving the rationality and veracity of the PCI assignment and reducing the assignment cost and the time for establishing the base station.

The invention discloses a gridding power distribution network frame planning method based on an improved Minty algorithm, relates to the technical field of power distribution network planning, and aims to generate all possible radial network structures in a grid through the improved Minty algorithm and obtain an optimal intra-grid network frame planning scheme after a tie line is determined. Therefore, power distribution network planning cost is effectively reduced, and economic benefits of power distribution network companies are improved. According to the method, a large number of sub-graphprocessing without the optimal planning scheme is effectively avoided by determining the edge which is certainly the branch, the calculation efficiency of grid structure planning in the grid based onthe Minty algorithm is improved, a plurality of planning schemes with low cost can be provided for planners to select, and the method is suitable for large-scale popularization and application in theindustry.

The invention discloses a planning method and device for a power distribution network. The method comprises the steps of obtaining a to-be-planned area of the power distribution network and GIS data information of electrical equipment; according to the GIS data information, constructing a GIS topological relation graph between the electrical equipment of the power distribution network identified by the GIS; based on the to-be-planned area of the power distribution network, establishing a power distribution network planning scheme set in the GIS topological relation graph, and establishing a planning optimization function; analyzing the power distribution network planning scheme set and the planning optimization function by using a particle swarm algorithm to obtain a global optimal position; and determining an optimal scheme from all the power distribution network planning schemes according to the global optimal position. Therefore, the planning cost of the power distribution network is saved and the planning efficiency is improved while the planning safety of the power distribution network is ensured.

The invention discloses a parallel path planning method and system based on a double-layer index. The method comprises the following steps: firstly, constructing a double-layer index structure, wherein the double-layer index structure comprises a skeleton graph and a plurality of sub-graphs; secondly, according to a starting point and an ending point input by a user, calculating a reference route by utilizing the double-layer index structure; and finally, carrying out local route optimization on all the sub-graphs passed by the reference route. According to the method, the planned route is adjusted in time based on a double-layer index structure, the whole adjustment is implemented in a segmented manner in a local route optimization manner, the route planning cost is reduced, and the response speed is also improved.