105 results about "City development" patented technology

The invention discloses an urban CA model parameter optimization method based on a biogeographic optimization algorithm, and the method comprises the steps: carrying out the rasterizing of an urban present land-use map, enabling each grid to be corresponding to one cell, and building a land-use matrix; extracting the urban land-use change and spatial variable data, carrying out spatial sampling, and obtaining a training sample; building the function relation between a spatial variable and urban expansion, and constructing a fitness function through employing the difference between a function fitting value and a true value; initializing parameters of a BBO algorithm, employing the BBO algorithm for training according to historical sample data, obtaining a variable weight, and calculating the urban development probability; building a transformational rule of a BBO-CA model, and calculating the final cell transformation probability of each cell according to the transformational rule of a non-urban cell; and carrying out urban expansion simulation based on a built BBO-CA model. The method constructs a biogeographic optimization cell automatic machine model, enables the model to be used in urban expansion simulation, and facilitates more true and accurate simulation of urban development.

The invention discloses a gridding concept based power distribution network planning management method. The method comprises: firstly, performing gridding planning on a power distribution network: firstly dividing the power distribution network into a plurality of power utilization grid regions, secondly performing gridding planning for each power utilization grid region, and finally performing gridding planning check for each power utilization grid region; and secondly, performing gridding management on the power distribution network: firstly performing gridding planning management for each power utilization grid region, secondly performing gridding construction modification management for each power utilization grid region, and finally performing gridding operation and maintenance management for each power utilization grid region. According to the method provided by the invention, the load prediction of "gridding" based distribution network planning is more accurate, the planning content is more integrated, the planning is better accordant with city development, the scientificity and reasonability of the planning are greatly improved, and the reliability and economy of power supply are greatly improved.

The embodiment of the invention provides a city operation simulation and overall planning system. The system comprises a city operation simulation subsystem, a city development planning subsystem, a city key event auxiliary decision subsystem and a city sustainable development evaluation subsystem. The city operation simulation subsystem is used for deducing effects of a scheme in city operation based on a simulation model. The city development planning subsystem is used for planning and designing a city construction and development scheme. The city key event auxiliary decision subsystem is used for city event decision and plan estimation. The city sustainable development evaluation subsystem is used for evaluating indexes of sustainable development of the city. According to the invention,effects of the scheme in city operation based on the simulation model; a city construction scheme is selected, planned and designed based on the effects; and pre-event simulation analysis is performed on key events which possibly occur in the future.

A technical method of diagnosing rationality of city spatial patterns includes the following steps: 1, constructing an index system comprising a master target layer, a sub-target layer, a factor layer and a divisor layer; 2, after standard data processing, using an analytic hierarchy process and an entropy weight process to determine a weight of the divisor; 3, constructing HL comprehensive diagnosis models for rationality of city developing patterns, the models comprising a scale pattern USR diagnosis model, a spatial pattern UKR diagnosis model and a function pattern UFR diagnosis model; 4, using a fuzzy membership grade function process and a linear weighting summation process to calculate a rationality index for each sub-model; and 5, dividing cities into a highly reasonable city, a relatively reasonable city, an intermediate reasonable city, a lowly reasonable city, and an unreasonable city according to HL comprehensive indexes. The comprehensive diagnosis index system provided by the present invention has universality and comprehensiveness, and has availability and effectiveness when evaluating the data. The completed system evaluating method enables the calculated result of the rationality indexes of the urban developing patterns to be more accurate, and achieves a more scientific evaluation of the urban developing patterns.

The invention provides a city operation management center system. The system includes: a city data opening and information service sub-system, which uniformly fuses and encapsulates user information resources; a city coordination processing and linkage command sub-system, which deeply mines business relationships between various departments, and establishes a complete coordination processing system of daily city running of and a linkage command system of emergency treatment; a cyberspace comprehensive-governance sub-system, which caries out comprehensive network security supervision on city key-information infrastructure running status, and realizes system response to a unified situation of city cyberspace security; city running simulation and overall-planning sub-system, which provides knowledge and intelligence support with data as drives for city development planning, major-affair decision-making and major-event treatment decision-making; and a city running display and monitoring and early-warning sub-system, which displays basic information of realizing city governance, provides key sign information of city running, and carries out macroscopic display and early-warning analysison city running status.

The invention provides a framework and engineering system for a city operation center. The framework comprises a city data open and information service subsystem, a city coprocessing and linkage command subsystem, a network space comprehensive treatment subsystem, a city operation simulation and overall planning subsystem and a city operation revealing and monitoring early warning subsystem, wherein the city data open and information service subsystem carries out uniform fusion and packaging on user information resources; the city coprocessing and linkage command subsystem deeply mines a business relationship among departments and establishes an integral coprocessing system for city daily operation, and a linkage command system for disposing an emergency; the network space comprehensive treatment subsystem carries out integrated supervision on the network safety of a city key information infrastructure operation situation, and realizes the uniform situation and the system response of city network space safety; the city operation simulation and overall planning subsystem provides data-driven knowledge information support for city development planning, major affair decision and majorevent disposal decision; and the city operation revealing and monitoring early warning subsystem shows and realizes basic information for governing cities, provides the key sign information of the city operation and carries out macroscopic display and early warning analysis on the city operation situation.

The invention discloses a roof greening method by using callisia repens, in particular to a growing method for planting callisia repens on roof. The procedures of the method are as follows: first, a water-resistant system, a drainage system and a root resistant layer are arranged on the roof and a matrix layer is paved on the roof; second, grass seeds of the callisia repens is planted on the matrix layer by using any one method of offshoots, broadcasting sowing method, cottage or greensward transplanting and paving method; third, root fixing water is watered and N fertilizer is fertilized once every fifteen days, and lawn is formed within one to two months. As an effective measure for solving the influence of urban development on the entironment and raising the urban afforestation rate, the invention uses the callisia repens on the roof greening, which has a resultful effect on the heat resistance, virescence and disaster prevention of room surface.

The invention discloses a refined load predication method based on space subdivision. The method comprises the following steps of S1, collecting basic data and power distribution network planning target data; S2, performing city space, historical load and city development target subdivision analysis on the basic data and the power distribution network planning target data, and obtaining a subdivided plot load; S3, performing refined load prediction on the plot load after subdivision of the city space, the historical load and the city development target obtained in the S2 through a space subdivision refined prediction model; and S4, outputting a refined load prediction result. The refined load predication method can improve load prediction accuracy. Load predication is refined to the specific plot and is closely combined with factors such as city planning, plot construction scale and user power consumption level, thereby improving scientificalness in load predication.

The invention relates to a city comprehensive service guide system for serving and enforcing a city development program system. The city comprehensive service guide system comprises a central service management system, an inter-communication channel for transferring data and a terminal service system for querying service information. The terminal service system is inter-connected with the central service management system via the inter-communication channel. The central service management system operates and maintains a server assembly comprising map information, stock information, common traffic information, hotel information, view spot information, enterprise information and other city integration information. The terminal machine has a man-machine interface and a display device. User accesses and operates the terminal service system via the man machine interface and the display device of the terminal machine, sends a request which needs enquiry service to the central service system via the terminal service system, conveniently obtains general life information via the terminal browsing the service information returned by the central service management system.

The invention provides a city development space pattern scene simulation system. A competitiveness evaluation index factor is maintained through an evaluation index maintenance module; an index weight is automatically generated through an index weight generation module; a competitiveness evaluation result is calculated through a competitiveness simulation module; an economic space pattern simulation result is calculated through an economic space pattern simulation module; and a population space pattern simulation result is calculated through a population space pattern simulation module. Compared with a manual calculation mode adopted in related technologies, the city development space pattern scene simulation system realizes automatic calculation and can be reused for space pattern simulation of different city groups or different years; the problem of low efficiency of performing city development space pattern simulation in the manual calculation mode is solved; and the city development space pattern simulation efficiency is improved.

The invention belongs to the technical field of geographic information, and provides an online backtracking and comparison method for two-dimensional spatial-temporal geographic information. The method provided by the invention has the advantages that map services can be rapidly read at a web end, so that the function of online efficient backtracking of the two-dimensional spatial-temporal geographic information can be achieved, and the problem of data waiting during display switching among geographic information services at different moments can be avoided; and the function of change comparison among the geographic information services at the different moments and for a same region is achieved, so that the city planning personnel and the land planning personnel can more conveniently analyze city development changes, and social applications of the geographic information can be further promoted.

The invention relates to a city development level calculation method. The method comprises the steps of obtaining city index data and establishing a city livable index database; obtaining a starting value and an ideal value of a city development level evaluation index and performing indexing processing; determining a weight of the city development level evaluation index; performing weighted calculation on the starting value and the ideal value, subjected to the indexing processing, of the city development level evaluation index to calculate a city construction process index value and an ecological construction result index value; and including a city in different quadrants of a two-dimensional plane rectangular coordinate system according to the city construction process index value and the ecological construction result index value, and determining a city development level according to the different quadrants where the city is located, wherein the starting value is a minimum value of the city development level evaluation index, and the ideal value is an optimal value of the city development level evaluation index. According to the method, the shortcomings of complexity and hugeness of a conventional index system are overcome, and the city development level is not only limited to simplex numerical ranking; and city ecological livable development results are represented by four quadrants, so that the city position can be clearly determined more quickly.

The invention discloses a city CA model establishment method based on a maximum entropy principle. The method comprises the steps that two-stage land utilization grid data is acquired and reclassified; the classified data is superimposed to obtain a city land utilization increase range, and random sampling and coordinate calculation are conducted in the range to obtain sample point data; a space variable influencing city land utilization extension is processed, and a result is used as a classification model constraint condition; a sample point and the constraint condition are used for model training to obtain a classification model with the maximum conditional entropy; a land utilization matrix and a cell corresponding to a matrix element are established, a space coordinate of the cell isinput into the model, the conditional probability of each cell classified as urban land under influence of the constraint condition is obtained and used as the CA model cell transition probability, and a city extension CA model is established on the basis of the CA model cell transition probability and in combination with neighborhood constraint. According to the method, the CA model with the maximum entropy is established and applied to urban land extension simulation, the randomness problem is considered, and the method helps to more precisely simulate city development.

The invention provides a city planning method utilizing an open-type sunken road. The city planning method comprises the following steps of determining the layout of a ground road, an open-type sunken road and a construction land and forming a layered mesh city pattern, by combining the topography and geomorphology as well as the existing buildings in a planning land; planning buildings, squares, green lands, infrastructures and underground space in the planning land according to the requirements on the development goal, the population scale and the control index of a planning city in the overall city planning; and proposing the next-step construction control index for the obtained city functional space, and performing professional technical docking on the architectural design, transportation planning and municipal engineering. According to the city planning method disclosed by the invention, the open-type sunken road is utilized, so that the ground road and the open-type sunken road form staggered layers to realize the functions of separation of pedestrians from vehicles, natural lighting and ventilation of underground space, and the like, and not only is the city development space expanded, but also the environmental quality of the underground space of the city is improved.

The invention discloses a method for producing an autoclaved solid brick taking muck as a raw material and containing aluminous tobermorite and a production technology. The solid brick is prepared from components in percentage by mass as follows: 70%-85% of muck, 12%-20% of cement, 2%-5% of sodium sulfate and 0-0.05% of an additive, and the sum of the mass percentages of all the components is 100%. A preparation method comprises the steps as follows: firstly, the muck is dried, ball-milled and sieved, muck with the particle size smaller than 10 mm is taken as the raw material, then, all the components are weighed and mixed with part of water, uniform mixing is performed, the obtained mixture is conveyed to a forming shop to be pressed, a standard green brick is obtained and subjected to autoclaved curing, and a finished product is obtained. The treatment amount of muck and residual mud is large, the cost is low, the preparation cycle is short, and batch resource utilization of construction waste and the low-carbon city development goal are achieved. Aluminum-containing minerals in the muck react to produce aluminous tobermorite, the good intensity and durability of the green brick are guaranteed, and the product has the good appearance and few defects and meets the requirement of Autoclaved Sand-lime Brick (GB11945-1999) MU20 level performance.

The invention relates to a sponge city planning space control data analysis system and method. The method comprises the following steps: collecting current situation data of a planning base to determine a plurality of single factor index values and distribution; carrying out screening based on a part of single factor indexes serving as rigid factors, and determining areas, the values of which corresponding to the rigid factors do not accord with a preset value range, as areas for sponge city construction and determining corresponding sponge city development type subregions; carrying out weighted stacking on values of all single factor indexes, and determining areas, the total points obtained after weighted stacking of which are lower than a preset value, as sponge city key development areas and ranking the sponge city key development areas; and with each sponge city key development area as a boundary, screening the area, the corresponding single factor index of which does not accord with preset standard, and determining the sponge city development type subregions in each sponge city key development area. The sponge city planning space control data analysis system and method can realize system prejudgment of base current situation construction conditions, and provide basis for early-stage research of a space control strategy.

The invention discloses a polycentric city development boundary demarcating method. The method includes the following steps: calculating the economic output value, the ecological services value and the social security value of agricultural land resources of a city, establishing scarcity correction coefficients and a polycentric city attraction inertia index model to improve the three values of theagricultural land resources, conducting automatic interpolation and balanced judgment on the more scientific and reasonable economic output value, ecological services value and social security valueof the agricultural land resources as well as the price of construction land of the city through a computer, and finally demarcating an ideal boundary, a moderate boundary and a limit boundary for development of the polycentric city. Through comprehensive utilization of scarcity and attraction inertia model, scientific demarcation of common polycentric city development boundaries in the process ofcity expansion can be carried out in a more reasonable manner, breaking limitations of demarcation of monocentric city development boundaries in the prior art.

The invention discloses a testing device for detecting the closure and peak regulating effects of a green roof. The testing device comprises a testing bed face and a support. The testing bed face comprises a bed face frame. The bed face frame is divided by a water stopping plate into a left side and a right side, a water draining groove is formed in one side, and a water draining plate is laid on the other side; a filtering layer, a soil layer and a plant layer are sequentially arranged on the water draining plate, a plurality of water draining holes are formed in the water stopping plate and used for leading water into the water draining groove, a top cover is arranged at the upper portion of the water draining groove, a water outlet is formed in the water draining groove, drained water is led into a water collecting container through a water draining pipe, and the water draining plate also leads drained water into the water collecting container; the testing device also comprises a comprehensive detection analysis system. The testing device can be used for simulating the closure effect under the condition that an actual roof is transformed into a green roof, quantitative analysis is carried out, the influence of other factors on the testing result is eliminated, and the basis is provided for formulating a sponge-city development scheme. The testing device is low in cost, convenient to assemble and disassemble, high in operability and wide in application range.

The invention relates to a quantification method for regional city system evolution and space effect. The quantification method comprises the following steps: step 1, collecting related data of a cityto be measured; step 2, constructing regional city system space-time evolution (CS); 3, expressing the model of the urban system (cs); step 4, constructing a multivariable-spatial distance network (ND-M); step 5, constructing and expressing urban system components; and step 6, determining the spatial correlation effect of the urban system. Aiming at the problems of regional city development state, city element evolution and growth, inter-city mutual influence mode and the like, ina city system space-time evolution method and system, systematic and spatial thinking modes are creatively combined, and connection modes and connection characteristics existing among regional cities in the development process are quantitatively expressed by establishing a mathematical model.

The invention discloses a method for preparing sintered water-permeable bricks by using dredged sludge and municipal sludge, and belongs to the field of solid waste treatment and building material preparation. The water-permeable bricks are prepared by performing sintering on the following raw materials in parts by mass: 20-30 parts of dredged sludge, 10-20 parts of municipal sludge, 30-40 parts of fly ash and 10-20 parts of clay. On one hand, energy contained organics in the dredged sludge and municipal sludge is utilized and energy consumption during brick sintering is reduced, and on the other hand, main solid wastes of dredged sludge and municipal sludge generated during city development are synergistically treated, and the water-permeable bricks with a wide application prospect in sponge city building are manufactured. The method is simple and reasonable in technology, easy to operate, stable and reliable in effects, and convenient to manufacture and promote in a large-scale and continuous way.

The invention relates to a seedling insulation system in a low temperature environment. The system comprises a flexible package, a storage battery and a temperature control switch, wherein the flexible package comprises a flexible package main body, two stainless steel springs and two side fasteners; the side fasteners comprise movable fasteners and fixed fasteners; the flexible package main body comprises a thin-film battery, an insulating layer and a heating layer; the output end of the thin-film battery is electrically connected with the input end of the storage battery; the output end of the storage battery is electrically connected with the temperature control switch; heating wires distributed in an S shape are arranged in the heating layer; and a circuit on which the heating wires are located and a circuit on which the temperature control switch is located are connected in series. The seedling insulation system in the low temperature environment reasonably utilizes all kinds of energy, meets the requirements of ecological garden city development, not only can effectively prevent seedling trunks from being frostbitten at low temperature but also has no impacts on normal generation of seedlings, is simple and convenient to install and dismantle, is suitable for all kinds of tree bodies and has a high comprehensive utilization rate, good safety and a high application value.

The invention relates to a restoration technology of cadmium-polluted soil. The restoration technology comprises the following steps of: applying domestic garbage treated by aerobic composting on a polluted site to be restored; ploughing the polluted site to be restored, and applying different types of soil chelating agents for promoting absorption and accumulation of plants for cadmium in the ploughing process; and planting different types of plants, harvesting, analyzing the content of cadmium at the roots, stems and leaves of the plants, and screening out the plant variety and the soil chelating agent with over absorption and largest accumulation of cadmium. The restoration technology has the advantages that polluted industrial sites are restored, the restored industrial sites can be used as building lands, greening lands and partial non-edible farmlands, and simultaneously, the difficulties of treatment and disposal for the domestic garbage generated in the process of city development are partially solved.