165 results about "Layout planning" patented technology

The invention relates to an activity scene arrangement scheme generation method and system, and the method comprises the following steps: obtaining activity scene data, and carrying out the analysis to obtain an activity theme and the characteristics of participants; objective condition parameters of the target site are obtained, and the candidate arrangement elements are screened; constructing a multi-dimensional attribute vector according to the screened arrangement elements; clustering the multi-dimensional attribute vectors, and performing spatial layout planning on layout elements; performing combined optimization on the generated spatial layout plan, color scheme and light effect setting; the time period of the activity is extracted, and the recommended arrangement scheme is adjusted according to the relevance; and performing visual rendering on the adjusted recommended arrangement scheme, and optimizing and determining an activity scene arrangement scheme. Intelligentization and individuation of activity scene arrangement are achieved, integrity, creativity and coordination of the arrangement effect are improved, meanwhile, influences of actual site conditions and activity time are considered, and a more optimized scene arrangement solution is provided for a user.

The invention discloses a regional power grid layout planning system, a storage medium and computer equipment wherein the regional power grid layout planning system is realized based on a three-dimensional geographic information model and a territorial space information model. Comprising a transformer substation site selection planning plate used for selecting a site meeting given conditions, technical rules and policies and regulations in a given area, and a power transmission line path planning plate used for planning a reasonable path scheme according to a line rule on the basis of a given line starting point and a given line ending point in a planning area. And the regional power grid layout planning system platform plate is used for solving the problems that planning data models and attributes formed in each specialty and each technical process in the spatial layout service of the electric power facilities in the regional power grid are not uniform, data is distorted and results are difficult to share. Through regional power grid layout optimization technology research, effective landing of power planning can be guaranteed, uncertain factors of engineering construction are reduced, construction coordination difficulty is reduced, and source-grid-load-storage coordination development is promoted.

The invention discloses a generation method of a generative adversarial network for planning a resource design stylized layout, and belongs to the technical field of artificial intelligence and machine learning, and the method comprises the following steps: S1, multi-source data collection: widely collecting a large number of existing planning resource samples; s2, data classification labeling; s3, constructing a generative adversarial network model; s4, performing model training; s5, style migration training; s6, optimizing the model; s7, generating a planning resource scheme; s8, optimizing the scheme; and S9, performing feedback iteration. According to the method, through integrating a technical path of multi-source design data acquisition, deep style feature extraction and generative adversarial network collaborative optimization, full-process automation from user demand input to high-quality planning resource layout generation is realized, and user personalized demands are met through a multi-scheme candidate and interactive adjustment function; and finally, constructing an incremental learning closed loop based on user feedback data, and continuously updating model parameters to adapt to an emerging design trend and an industry specification.

The invention provides an exhibition hall dynamic layout planning method and system based on three-dimensional modeling, and relates to the technical field of simulation modeling, and the method comprises the steps: building a layout simulation model of exhibition hall layout planning; performing association behavior response constraint on a layout evolution topological structure in the layout simulation model according to a cross correlation coefficient of display response characteristics among different display units to obtain a layout constraint condition among the display units; determining the spatial adaptability loss of each display unit under the condition of displaying different contents according to the change characteristics of the space utilization rate of each display unit under the condition of displaying different contents and the behavior feedback characteristics of the audience when each display unit displays different contents; and target optimization is carried out on the spatial streamline of each display unit in the target exhibition hall based on the layout constraint condition and all the spatial adaptability losses, and an optimal structure path for dynamic layout planning of the exhibition hall is obtained. According to the method, cost optimization of the exhibition hall layout structure can be realized based on the simulation model, so that the robustness of dynamic layout planning of the exhibition hall is improved.

The present application belongs to the technical field of co-delivery center site selection. Disclosed are an urban-end co-distribution center site selection method and system based on air-ground coordination, which are used for solving the technical problems of an existing air-ground coordination co-delivery center site selection model being insufficiently integrated with an unmanned aerial vehicle delivery technique, failing to take into consideration constraint conditions on unmanned aerial vehicles, and the solving efficiency being low. The method comprises: establishing a planned layout set of an air-ground coordination co-delivery center; taking the minimization of the overall delivery time and the minimization of the total network operation cost as objectives to construct an air-ground coordination layout planning model; setting constraint conditions of the air-ground coordination layout planning model; by means of a grey wolf population algorithm, generating an initial site selection solution set for a pre-selected point set of the co-delivery center; filtering out invalid solutions in the initial site selection solution set on the basis of the constraint conditions; and performing an individual iterative update on the filtered initial site selection solution set, and performing a fitness assessment and no-fly zone crossing determination on a new solution set obtained after each iteration, so as to obtain a final site selection scheme.

The invention discloses a natural resource asset management and territorial space planning system fusion method, which comprises the steps of 1) constructing an urban development scale and space layout planning constraint library based on law and policy documents; 2) based on the urban development scale and spatial layout planning constraint library and the natural resource and spatial layout information stored by the cloud platform, the client generates urban development scale and spatial layout schemes of one or more regions, and transmits the urban development scale and spatial layout schemes to the cloud platform; 3) the cloud platform evaluates the city development scale and the spatial layout scheme to obtain evaluation indexes of the city development scale and the spatial layout scheme; and if the urban development scale and the spatial layout scheme of which the evaluation index is greater than the threshold value exist, outputting the urban development scale and the spatial layout scheme of which the evaluation index is maximum. According to the invention, exploration, evaluation, planning, maintenance, development, utilization and other functions of natural resources are comprehensively implemented, a coordination system for cooperation among departments is constructed and perfected, and the functions and responsibility division of the related departments in the fields of natural resource management and control and land space layout planning are clearly defined.

The invention discloses a layout planning method of a millimeter wave communication system, which relates to the technical field of millimeter wave communication, and comprises the following steps: acquiring a base station node of a to-be-detected area, and acquiring power attenuation influence data and propagation path influence data of millimeter waves according to the base station node; constructing a propagation path model based on a machine learning algorithm according to the propagation path influence data, and obtaining an actual transmission path distance of the millimeter waves; constructing a millimeter wave power attenuation model based on a machine learning algorithm according to the power attenuation influence data and the propagation path model; obtaining an optimal effective coverage range of a base station according to the millimeter wave power attenuation model, and ensuring that a signal can cover an expected user area; the millimeter wave power attenuation model is established to solve the problems of signal phase interference, inaccurate power attenuation when wireless signals are transmitted in a free space and large errors caused by a multipath effect formed when reflected signals and direct signals reach a receiving end at the same time.

The invention provides a power turn-off unit layout method and device, a server and a storage medium, and is applied to the technical field of computers.The method comprises the steps that after a layout planning map of a target module is obtained, a space area, where a power turn-off unit needs to be arranged, in the layout planning map is divided into a first layout area and a plurality of second layout areas; firstly, power management links are created in the first layout area, then power management links are created in the second layout areas respectively, the power management links in the second layout areas are connected with the power management links in the first layout area in series, and the layout of the power turn-off unit is completed. According to the method, the process of arranging the power turn-off units is not affected by design parameters of an existing tool, it is ensured that the power turn-off units are evenly arranged in the space area, where the power turn-off units need to be arranged, of the target module, arrangement of the power turn-off units is more reasonable, and the static power consumption of a chip is effectively reduced.

The invention discloses a 3D chip layout model, a construction method thereof and a 3D chip layout method, and relates to the technical field of 3D chip physical design. The 3D chip layout model comprises a first sub-model and a second sub-model, the Kth iteration result of the first sub-model is used as the iteration input parameter of the Kth iteration of the second sub-model, the Kth iteration result of the second sub-model is used as the iteration input parameter of the (K + 1) th iteration of the first sub-model, and K is greater than or equal to 1; the first sub-model is used for determining hierarchical coordinates of each unit according to network information and horizontal coordinates of each unit on the basis of the shortest line length and the minimum terminal rule, and the network information comprises unit information forming the network; and the second sub-model is used for performing iterative optimization calculation on the integrated horizontal coordinate according to the hierarchical coordinate and the line network information of each unit. By adopting the 3D chip layout model, better unit coordinates and terminal quantity can be determined, and better layout planning of the 3D chip is realized.

The invention discloses a community layout planning method and electronic equipment, and the method comprises the steps: sequentially carrying out the iteration updating of a community layout scheme, inputting a community layout design model, obtaining a first evaluation result corresponding to a first evaluation index, and carrying out the iteration of a target number of iterations; taking a community layout scheme corresponding to the first evaluation result meeting the first target condition as a first target community layout scheme, and determining a plurality of community spatial form simulation results corresponding to the first target community layout scheme; obtaining a second evaluation result corresponding to each second evaluation index according to the plurality of community spatial form simulation results and the plurality of second evaluation indexes; and determining a second target community layout scheme according to the plurality of obtained second evaluation results and the corresponding community spatial form simulation results. Therefore, a community layout scheme with more reasonable functional area layout can be obtained, so that the traffic efficiency is effectively improved, the carbon emission is reduced, and the life convenience of users is improved.

The invention discloses a graph calculation-driven complex publication derivative resource content layout planning system, which belongs to the technical field of digital publication and intelligent media, and comprises a multi-modal data analysis module for analyzing heterogeneous data such as texts, images, tables and the like in publications into structured node features; a feature fusion module; a content relationship modeling module; a graph calculation driving layout optimization module; performing layout constraint modeling: converting a layout problem into a graph constraint optimization problem; a modeling optimization module; a multi-terminal adaptive rendering module; the layout generation engine is used for converting a graph calculation result into a visual layout scheme; and the interactive feedback module is used for feeding back user operation to the graph in real time to trigger layout reconstruction. According to the method, advanced technologies such as graph calculation, multi-modal fusion and constraint solution are deeply fused, the limitation that a traditional typesetting tool depends on a fixed template is broken through, and a content-driven one-stop solution is provided for scenes such as academic periodicals, electronic textbooks and digital reports.

The invention discloses a rule checking method and device for chip layout planning, equipment and a medium, and relates to the technical field of integrated circuits. The method comprises the following steps: analyzing a design rule constraint file of a target manufacturing process to extract a rule parameter set; according to the rule parameter set, generating different inspection rules used for performing rule inspection on the chip subjected to layout planning, and according to the inspection rules, constructing a corresponding inspection script; and performing rule inspection on the chip by utilizing the inspection script to output problem items which do not meet the inspection rule, and repairing the problem items to obtain a target chip which conforms to the design rule constraint file. According to the technical scheme, after the layout planning is completed, the corresponding check script is compiled for checking and repairing, the efficiency is improved, and the time period of subsequent iteration is shortened.

The invention discloses a tower crane automatic type selection and arrangement optimization modeling method based on a generative adversarial network, and belongs to the field of engineering construction management. Aiming at the problems of low efficiency and difficulty in coping with complex construction scenes in the traditional tower crane type selection and arrangement mode, the tower crane layout scheme is directly generated by inputting the construction drawings, so that manual information extraction is avoided, and the planning burden is obviously reduced. The GAN model is trained on a high-quality data set, and the feasibility of a generation scheme and the robustness of the model are improved through hyper-parameter optimization and application of a data enhancement strategy. The generative adversarial network shows higher efficiency, the calculation time is shortest, and the transportation time is optimal. Through numerical analysis and verification of an actual construction project, the method effectively overcomes complexity limitation of a traditional method, simplifies a data processing flow, provides an accurate and efficient solution for tower crane layout planning, and comprehensively improves planning decision scientificity and execution efficiency of the construction project.

The invention discloses a controllable schematic diagram generation method and system based on a large language model and a storage medium. The method comprises the steps of constructing a schematic diagram generation task data set based on the large language model; pre-establishing a layout planning rule of the schematic diagram according to the image characteristics of the schematic diagram, and converting a schematic diagram generation task data set based on the large language model into a schematic diagram of a set layout through the layout planning rule of the schematic diagram; serializing the layout planning rule of the schematic diagram, converting the layout planning rule into a text expression form, and positioning an application area of the layout planning rule of the text expression form in the image; and optimizing a serialization processing process and an image generation process according to an application area of the layout planning rule in the image in combination with a multi-mode embedded representation and fine-tuning diffusion model, and generating a schematic diagram meeting the requirement. According to the method, challenges of high-level semantic complexity and bottom-layer visual diversity in the schematic diagram generation process can be effectively coped, and the overall quality of a schematic diagram understanding technology is improved.

The invention relates to a layout wiring planning design method based on a 2.5 D core particle interconnection interposer, which is characterized by comprising the following steps of: defining signal logic interfaces for automatic wiring in a passive interposer according to signal transmission requirements among core particles and a communication relationship between the core particles and a packaging substrate, and creating a mapping relationship list among the logic interfaces; according to the method, layout planning is carried out on physical interface endpoints of a passive intermediate layer, the physical interface endpoints are matched with signal logic interfaces, and an optimal layout allocation scheme is quickly determined through a signal allocation algorithm based on a flow network in combination with a window matching method, so that the wiring resource loss of a 2.5 D integrated circuit is effectively reduced, and the wiring efficiency is improved. The system overall performance is improved. According to the invention, the method can cope with a complex interconnection wiring condition generated by a plurality of independently designed core particles in a 2.5 D integration process, and achieves the efficient interconnection design of the passive interposer.

The invention relates to a hydroelectric generating set maintenance layout optimization method based on an improved genetic algorithm, and aims to solve the problems that an existing maintenance space layout method based on a two-dimensional drawing depends on experience of designers, is long in planning period, high in cost consumption, poor in planning effect accuracy and waste in resources, and cannot meet actual production requirements. The invention provides a hydroelectric generating set maintenance layout optimization method based on an improved genetic algorithm, and the method comprises the steps: carrying out the numbering and classification of disassembled maintenance parts, determining the maintenance space of a hydroelectric generating set through a free plane search method, carrying out the modeling of a hydroelectric maintenance layout plan based on the maintenance carrying cost and the maintenance space utilization rate, and carrying out the optimization of the maintenance layout. The model is solved by using an improved genetic algorithm, and an obtained result is prevented from falling into local optimum and can be quickly converged, so that optimal layout planning of the maintenance parts of the hydroelectric generating set is realized.

The invention provides a garden planning aided design system, and the system is characterized in that the system comprises a data collection and analysis module which is used for obtaining influence factor data, and determining geographical influence factors and plant selection layout planning based on the influence factor data; wherein the influence factor data comprises topographic data, environmental factors and site status and is analyzed; the planning design and simulation module is used for selecting layout planning and generating a three-dimensional simulation model based on the geographical influence factors and the plants so as to generate the garden planning effect, overall layout planning software is provided for designers through design of auxiliary software, the workload of the designers can be well reduced, and the workload of the designers is reduced. And the overall layout of the garden design is more reasonable by using a simulated annealing algorithm, and a user can view the garden planning effect more intuitively through the generated three-dimensional simulation model.

The invention relates to the technical field of field layout modeling processing, in particular to a prefabricated field layout planning modeling method and system based on digital aided design. The method comprises the following steps: screening out a plurality of construction feature points of each three-dimensional point cloud model; obtaining a plurality of model areas at a real-time moment; according to the number of construction feature points in each model area at the real-time moment, the position distribution of different points and the initial voxel size, the adjustment voxel size of each model area at the real-time moment is obtained, and a three-dimensional adjustment point cloud model at the real-time moment is obtained; obtaining a construction offset direction vector and a construction offset of each unregistered point in the initial three-dimensional point cloud model, and obtaining an unregistered point area model of the initial three-dimensional point cloud model; and splicing the three-dimensional adjustment point cloud model at the real-time moment and the non-registered point region model to obtain a prefabricated field layout model at the next moment. According to the method, the accuracy of planning and modeling is improved by obtaining the accurate deviation trend in the construction process.

The invention discloses a user interface optimization system for an electronic mall, and the system comprises a user information capturing module which is used for collecting, analyzing and mining behavior data of a user, and outputting a visual analysis result which comprises user characteristics, preference information, behavior modes and demand characteristics; the interface element evaluation module is used for establishing an evaluation index system, integrating expert scoring evaluation and subjective evaluation suggestions fed back by user operation, and outputting an evaluation result; the dynamic layout planning module is used for dynamically planning interface layout and generating a final layout scheme in combination with the analysis result and the evaluation result; and the personalized style adaptation module is used for adapting personalized interface styles for different users according to the user characteristics, the preference information and the final layout scheme to form a user interface. According to the method, interface optimization and personalized presentation are realized through user data capture, element evaluation, dynamic layout and style adaptation, the user can quickly position the required commodity, and the use experience of the user is improved.

The invention discloses a regional prevention and control layout planning method and system for a three-dimensional space, and belongs to the technical field of security and protection facility layout. In order to solve the problem that security and protection facilities are difficult to efficiently deploy in a complex three-dimensional environment, the method mainly adopts H3 grid division and kernel density estimation to generate a regional thermodynamic diagram, combines a three-dimensional building model and sight projection to carry out visibility analysis, constructs a dual-objective optimization function, and realizes optimal deployment scheme search through a multi-objective evolutionary algorithm. According to the invention, high-heat coverage, shielding avoidance and equipment cost control of a key area can be realized, and scientificity and efficiency of monitoring deployment in a three-dimensional environment are improved.

The invention provides a chip design method and system based on IO multiplexing performance optimization, a terminal and a medium, RTL codes are automatically generated by calling a script according to a constructed IO multiplexing information table and RTL codes of a high-speed IO output multiplexing module written in advance, and then the generated RTL codes are converted into corresponding circuits by utilizing a logic synthesis tool. The method comprises the following steps: firstly, carrying out IO (Input / Output) visualization on the basis of a chip size and a preliminary layout plan, and adjusting a position relationship between each functional module and an IO unit used by the functional module in the preliminary layout plan to obtain an optimized layout plan; and in the physically realized layout and post-layout stage, the positions of corresponding modules in the circuit are limited based on the optimized layout planning, and the input path and the output path of the functional signal are optimized to obtain a design layout. According to the method, a physical design tool can automatically realize time sequence performance optimization of function multiplexing IO, support is provided for large-scale general chips to realize a high-speed IO protocol, RTL codes can be automatically generated, manpower is reduced, and the condition of wire winding of IO signal wiring is avoided.

The invention relates to the technical field of virtual reality application, in particular to a virtual reality assisted urban and rural spatial layout visualization planning system, which comprises a data acquisition and preprocessing module, a three-dimensional modeling module, a virtual reality visualization module, a planning analysis module and an interaction and feedback module. Wherein the data acquisition and preprocessing module is used for acquiring and preprocessing urban and rural spatial data; the three-dimensional modeling module is used for constructing a three-dimensional urban and rural model based on the preprocessed spatial data; the virtual reality visualization module is used for importing the three-dimensional urban and rural model into a virtual reality environment to generate a VR visualization scene; the planning analysis module is used for performing spatial layout analysis and outputting a planning analysis result; and the interaction and feedback module is used for receiving user interaction input and updating the planning scheme in real time. According to the urban and rural spatial layout planning method and system, by integrating the processes of data preprocessing, three-dimensional modeling, virtual reality visualization and dynamic interactive analysis, visual expression and real-time optimization of urban and rural spatial layout planning are achieved.

The invention discloses a college subject layout planning method based on regional economic development, and the method comprises the steps: obtaining the industrial structure, employment market, scientific and technological innovation and policy oriented data of a target region in real time through constructing a multi-dimensional regional economic development data collection system, and building a regional economic factor correlation analysis model through employing a big data mining technology, and key industrial fields and technical bottlenecks are identified. An industrial talent demand prediction map in the next 5-10 years is generated through a grey prediction model and a machine learning algorithm, a college subject evaluation index system is established, a matching degree index of a subject and a regional economic demand is calculated by using an entropy evaluation method, and a subject dynamic adjustment matrix model is designed to generate an optimization scheme. And meanwhile, a government-industry-university-research collaborative verification platform is constructed, a closed-loop correction mechanism including market demand feedback, education quality evaluation and economic contribution degree measurement and calculation is formed, and finally a visual decision support system, a subject layout optimization route map and a dynamic monitoring and early warning platform are output.

The invention provides a new energy station accessory building layout planning method based on multi-source data collaboration, and the method comprises the steps: obtaining and fusing a topographic map, unmanned plane laser point cloud and GIS data, and generating corrected topographic data; drawing a station general plane graph containing a building contour, an elevation and a road network; coupling the point cloud with the general drawing, and performing three-dimensional adjustment on the site elevation to obtain a preliminary scheme; analyzing the foundation bearing capacity according to the elevation and determining the building height; building primary arrangement is conducted according to the height; and finally, calculating spacing and sunshine and wind pressure influence factors, and iteratively optimizing the layout. The layout rationality, the construction feasibility and the structure safety can be improved, and the construction cost and risks are reduced.

The invention is suitable for the technical field of chips, and particularly relates to a modeling method and system for chip layout planning and related equipment.The method comprises the steps that configuration information of a chip is obtained, and a configuration file is established according to the configuration information; storing the module information in a module corresponding to the module list; establishing a multi-level nested data structure according to the module relation data; performing coordinate calculation and merging on modules of different levels in the nested data structure to obtain module coordinate data with coordinate information of all the modules; and performing shape drawing according to the module coordinate data to obtain a chip layout model. Compared with the prior art, the method has the advantages that real-time iteration can be performed according to the actual progress of chip design, designers are greatly facilitated to deeply think the chip architecture design, more accurately estimate the layout area and better determine the distribution position of the module, and the design efficiency is improved. Therefore, excessive dependence of top layer layout planning work on a traditional EDA tool is eliminated.

The invention relates to a manufacturing method of a printed and dyed spliced wood board painting. The manufacturing method specifically comprises the following steps: 1) preparing materials; 2) color drawing; 3) cutting operation; 4) flattening the surface; 5) layout planning; (6) glue is smeared; (7) splicing and assembling; (8) pressurizing and curing; (9) gloss is improved; and 10) protective spraying. Compared with the prior art, the wooden drawing board has the advantages that the painting sample is drawn on the wooden drawing board in a dyeing mode, so that the workmanship of the spliced painting is finer, and the spliced calligraphy and painting is more exquisite. And the raw materials are fully utilized by cutting the raw materials into square blocks with different sizes. And a flattening treatment and arrangement mode is adopted, so that the splicing working efficiency is improved, and meanwhile, the spliced calligraphy and painting are more neat and attractive. The device is reasonable in design and worthy of vigorous popularization.

The invention discloses workshop planning equipment, and aims to provide a layout planning method for a packaging workshop, which can intelligently plan the workshop according to the size parameters of the workshop and the equipment and can detect the planned workshop layout. According to the technical scheme, parameter collection of workshops and equipment, efficiency analysis of the equipment, generation of dynamic layout and operation state detection are integrated to form closed-loop control of workshop planning and detection, limitation of manual layout is avoided, errors in the manual intervention process are reduced, the space utilization rate is guaranteed, and meanwhile the workshop planning and detection efficiency is improved. The bottleneck in the production process is eliminated through trial operation, the overall productivity of the workshop and the cooperation efficiency among the devices are improved, and the workshop planning method and device are suitable for the technical field of workshop planning.

The application relates to the field of firefighting technology, and provides a firefighting engineering robot installation system based on a multi-modal model, which comprises an installation mechanical arm, a task analysis module, a space modeling module, a layout planning module, an action control module and a quality verification module; the task analysis module is used for analyzing an installation task, fusing multi-modal inputs of drawings and BIM models, extracting key information and outputting structured task instructions; the space modeling module performs three-dimensional structure modeling on a construction site to form a space point model, identifies building components and a constructible area, completes high-precision registration of drawing structures and real scenes, and analyzes environmental constraint conditions; the layout planning module generates a firefighting equipment layout scheme on the basis of meeting specification requirements according to the task instructions and the space point model; the action control module converts the layout scheme and the type of installed firefighting equipment into a sequence of action instructions executable by the robot; and the quality verification module automatically detects an installation result.

The application discloses a layout planning method based on reinforcement learning and a genetic algorithm, and comprises the following steps: 1, generating an original population of the genetic algorithm through perturbation B*‑tree; 2, calculating the fitness of all individuals, and selecting an individual with the highest fitness value as the optimal individual in the population; 3, according to the probability, selecting whether to use a crossover operator in an iteration, if the crossover operator is selected, selecting two parent individuals from the population, and generating offspring individuals through the crossover; 4, according to the probability, selecting whether to use a mutation operator in the iteration, if the mutation operator is selected, selecting a parent individual from the population, and generating an offspring individual through the mutation; 5, optimizing the offspring individual by using a reinforcement learning intelligent agent, and then determining whether to replace the parent individual according to the fitness of the offspring individual; and 6, the iteration is ended, and the optimal individual is obtained. The application efficiently reduces the area and line length of layout planning.

The application belongs to the technical field of urban planning, and discloses a kind of public service facility layout planning method and system friendly to old people, the method comprises: obtaining the portrait information of old people in community, and identifying vulnerable old age groups;According to the portrait information of vulnerable old age groups, set the minimum accessibility guarantee condition of individualization;Pre-optimization is carried out on the alternative scheme to improve the satisfaction rate of the minimum accessibility guarantee condition of vulnerable old age groups;On the premise that the satisfaction rate of vulnerable old age groups is not reduced, the overall travel convenience of all old age groups is optimized as a target for comprehensive optimization;From a plurality of comprehensive optimization schemes, the final public service facility layout scheme is determined;Thus, the problem of ignoring the heterogeneity within the old age group in the prior art can be effectively solved, and the scientificity and humanization of public service facility layout planning are significantly improved.