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305results about How to "Comprehensive consideration" patented technology

Traffic jam avoiding prompting system based on collective intelligence network

The invention provides a traffic jam avoiding prompting system based on a collective intelligence network. The traffic jam avoiding prompting system consists of a webpage traffic hot spot digging module, a microblog traffic hot spot digging module, a road condition rule predicting module, a jam hot spot verification and management module, a real-time traffic hot spot server, a traveling route planning module based on hot spot avoiding, a traffic hot spot and avoiding route display module and intelligent mobile phone end application software. The traffic jam avoiding prompting system faces the collective intelligence sensing network, is combined with the traditional traffic information sources, carries out digging and prediction on the urban traffic hot spots on the basis of the data activation technology, and further provides the traffic jam hot spot display and avoiding prompt service for intelligent terminal users. The traffic jam avoiding prompting system has the advantages that the data is from the multi-source collective intelligence network, the accuracy is good, the checking comprehensive rate is high, the hot spots are captured and fed back in real time, high efficiency and practicability are realized, the design is good, the operation is stable, the installation is convenient, the traffic jam avoiding prompting system can become a tool capable of providing wide and practical intelligent traffic information for urban residents, and the efficient information prompt is provided for the users to realize the smooth traveling.
Owner:BEIHANG UNIV

Optimal site selection method and device for distributed wind power plant based on fuzzy analytic hierarchy process

An optimal site selection device for a distributed wind power plant based on a fuzzy analytic hierarchy process comprises a DSP (Digital Signal Processor) module, a keyboard input module, a liquid crystal display module, a communication module and a host computer. An optimal site selection method for the distributed wind power plant based on the fuzzy analytic hierarchy process comprises the following steps: dividing candidate wind energy resource zones in a region rich in wind energy resources, determining an evaluation index system for the site selection of the wind power plant, determining the hierarchical structure of a scheme for the site selection of the wind power plant, judging the cognition degrees of experts on selected sites for the wind power plant by an expert group judgment and group decision method to obtain the cognition degree parameters of all the experts, and constituting a criterion layer judgment matrix and an index layer judgment matrix for the site selection of the wind power plant; and finally ranking the candidate wind energy resource zones by advantages and disadvantages and determining one site for the wind power plant. Compared with the traditional analytic hierarchy process for site selection, the method has the advantages that factors are fully considered, the examination and the regulation of the consistency of the judgment matrixes are simple, easy, scientific and reasonable, and results are scientifically analyzed. The device has the advantages that through the operation processing process of the DSP, the site selection period can be shortened, and the site selection efficiency can be increased.
Owner:NORTHEASTERN UNIV

Regional building energy consumption predicting method

The invention discloses a regional building energy consumption predicting method. The regional building energy consumption predicting method comprises the steps of: S1, acquiring an annual energy consumption data sample set of buildings as data for building energy consumption prediction; S2, calculating cooling and heating loads of individual buildings, respectively, according to form of terminal air conditioners and heating equipment of the buildings; S3, calculating the energy consumption of cold and heat source related energy-consuming equipment of the buildings according to the cooling and heating loads of the individual buildings; S4, calculating the energy consumption of illumination equipment of the individual buildings; S5, calculating the energy consumption of electric equipment of the individual buildings; S6, calculating the energy consumption of power equipment of the individual buildings; S7, accumulating the energy consumption obtained in the steps S3, S4, S5 and S6 to obtain the annual energy consumption of the individual buildings; and S8, calculating the total energy consumption of all buildings in the region according to the annual energy consumption of the individual building. The method disclosed by the invention breaks through the limitation that for single building energy consumption prediction, an energy station is taken as a node, establishes an energy consumption predication calculating model of a building group in the region, and can provide a reliable ground for overall planning and management of regional energy sources.
Owner:BEIJING BUILDING TECH DEV

Method for predicting dynamic open-flow capacity of fractured horizontal wells for tight sandstone gas reservoirs

The invention relates to the field of gas field development research, in particular to a method for predicting dynamic open-flow capacity of fractured horizontal wells for tight sandstone gas reservoirs. The method includes coupling gas reservoirs, fracture and wellbores to obtain gas and liquid two-phase flow productivity equations for optional fracture locations of the fractured horizontal wells; building corresponding fractured horizontal well numerical models on the basis of reservoir stratum parameters and fracture parameters to obtain relation curves and fitting relational expressions of non-dimensional gas release boundaries and gas test time; computing gas release boundaries of the fractured horizontal wells at production phases by the aid of dynamic reserves inverse processes; solving the gas and liquid two-phase flow productivity equations on the basis of phase permeability curves obtained by rock core tests so as to obtain the dynamic open-flow capacity of the fractured horizontal wells at the different production phases. The method has the advantages that influence of difference of physical parameters of reservoir strata, change of the fracture parameters, difference of gas well open-flow test time, external fracturing fluid and movable water of formations on open-flow capacity is taken into consideration, accordingly, the open-flow capacity of the fractured horizontal wells at the different production phases can be predicted by the aid of the method, and the prediction practicality and reliability can be improved.
Owner:SINOPEC NORTH CHINA OIL & GAS CO

Comprehensive evaluation index system of ship routing scheme and combined evaluation method thereof

InactiveCN101982830AImprove and improve accuracyEasy to optimizeData processing applicationsSafety indexShip routing
The invention provides a comprehensive evaluation index system of a ship routing scheme and a combined evaluation method thereof. The comprehensive evaluation index system comprises a quantitative index and a qualitative index, wherein, the quantitative index comprises an efficiency index and the qualitative index comprises a safety index and a performance index. The combined evaluation method comprises the following steps: determining a qualitative evaluation index value by a group decision making method; determining a quantitative index value of the scheme by an entropy method and a fuzzy analytic hierarchy process (FAHP); and realizing ordering and optimization of the scheme based on a technique for order preference by similarity to ideal solution (TOPSIS). Compared with the traditional comprehensive evaluation index system of the ship routing scheme and the evaluation method thereof, the comprehensive evaluation index system and the evaluation method thereof of the invention increase analysis evaluation of the quantitative index, thus the index system is more complete; and by combination of quantitative evaluation and qualitative evaluation, expert knowledge is integrated into the decision-making process preferably, thus being more practical and more flexible.
Owner:SHANGHAI MARITIME UNIVERSITY

Isolated grid operation stabilization control method for regional weak tie power grid

The invention relates to an isolated grid operation stabilization control method based on a delivery manner of a regional weak tie power grid. The method is a dynamic simulation analyzing method based on tracks. According to a searching-verifying method and combining the voltage and frequency change tracks, the operating characteristics of the power grid under the condition of various delivery power are analyzed, the factors of the unit grid interfering protection of the regional power grid, the operating state change of the power grid, the over-speed protection of a generator unit, the high-week machine cutting measures of the regional power grid, linked machine cutting, low-frequency load decrease and the like are comprehensively considered, an isolated grid operation stabilization control strategy which is suitable for the delivery regional power grid for the requirements of the actual power grid is developed, and the second defense line and the third defense line of the regional power grid, and the over-speed protection allocation scheme of a generator are coordinated and optimized. Through the adoption of the stabilization control method, the isolated grid operation stabilization of the regional power grid can be ensured, the load loss can be reduced, the adaptability is better, the considered factors are more comprehensive, the certain practical value can be generated, and the promoted prospect is better.
Owner:CHINA SOUTHERN POWER GRID COMPANY +1

Electric vehicle remaining driving range estimation method and device, storage medium and equipment

The invention discloses an electric vehicle remaining driving range estimation method and device, a storage medium and equipment, and belongs to the field of electric vehicles. The method comprises the following steps: acquiring the remaining available power of a battery in real time; acquiring unit mileage power consumption according to the road grade and congestion degree of a travel path and the driving style of a driver; and calculating the remaining driving range according to the remaining available power and unit mileage power consumption of the battery. The influence rule of the drivingstyle of the driver, the road grade of a planned travel and the real-time congestion degree of the road condition on the travel energy consumption is comprehensively analyzed, and the unit mileage power consumption in the driving process of the electric vehicle is quantitatively predicted. According to the invention, the remaining driving range estimation method fusing the pedestrian, vehicle androad information is adopted, and more comprehensive factors are considered, so that the remaining driving range of the electric vehicle can be calculated more accurately, and the mileage anxiety of auser can be relieved.
Owner:SHANDONG UNIV OF TECH +1

Spiral bevel gear tooth surface loading performance multi-objective optimization method

The invention relates to a spiral bevel gear tooth surface loading performance multi-objective optimization method. The method is characterized by comprising the following steps that firstly, a mathematical model of a spiral bevel gear tooth surface loading performance multi-objective optimization problem is established, and test design sample points are obtained; secondly, a tooth surface loadingcontact analysis method considering tooth root bending stress is established, tooth surface loading contact analysis is conducted on the test design sample points, target functions corresponding to the test design sample points and response values of the target functions are obtained, and then an initial sample point set including the test design sample points and the corresponding response values is obtained; thirdly, a Kriging proxy model is fitted on the basis of the initial sample point set, the mathematical model of the spiral bevel gear tooth surface loading performance multi-objectiveoptimization problem is solved, and the optimal solution set of the spiral bevel gear tooth surface loading performance multi-objective optimization problem is obtained. The method is high in calculation efficiency, high in calculation accuracy and capable of being widely applied to spiral bevel gear tooth surface loading performance multi-objective optimization.
Owner:TSINGHUA UNIV +1

Grid-connected microgrid reliability evaluation method considering peak load shifting

The invention relates to a grid-connected microgrid reliability evaluation method considering peak load shifting. The method includes the following steps that: the fuzzy membership degree of a peak period and a valley period is set according to the load curve of a power system; the fuzzy similarity matrix R and equivalence matrix R<^> of various time points of the load curve are determined, dynamic clustering is carried out through a lambda-cut relation, so that the division of the peak period and the valley period can be realized; adjustment is made according to the order of the power market and the actual electricity consumption demands of people, so that a corrected typical load peak period, normal period and valley period can be obtained; a load demand response model is established according to three constraint elements, namely, the total electricity consumption of loads, electricity price and customer' satisfaction, and an objective function described in the descriptions of the invention is provided, and a solution can be obtained through using a particle swarm algorithm, and a corrected load curve is determined; and the reliability of a corrected load curve-based grid-connected microgrid is determined through using a Monte Carlo simulation method. The method of the invention has the advantages of great universality and simple algorithm interface.
Owner:CHONGQING UNIV

Experimental device and method for simulating single-crack flowback after shale gas fracturing

The invention relates to an experimental device and method for simulating single-crack flowback after shale gas fracturing. The experimental device is mainly composed of a pump set, a device body, a hydraulic pressure and temperature control device, and a tail monitoring and liquid waste disposal device. The device body mainly refers to an improved rock core clamp holder specially used for manufacturing a rock core, confining pressure is applied through the hydraulic pressure device, and the temperature control device heats hydraulic oil to form a high temperature for simulation of the stratum environment; in the experimental process, displacement meters on the upper side face and the lower side face of the rock core clamp holder can detect crack displacement change, and the sand production rate and the fluid flow speed can be monitored in real time through the tail monitoring device. By the adoption of the experimental device and method, the stratum high-temperature and high-pressure environment can be simulated, and on the premise that the flow conductivity of cracks of different crack lengths and crack widths is detected, the crack pressure drop, the sand production rate, the propping agent embedding degree and the propping agent backflow and settlement rule are detected; moreover, artificial marble rock cores are used, and the environment gets more close to the true stratum environment compared with the mode that steel blocks are used for simulating cracks.
Owner:SOUTHWEST PETROLEUM UNIV

Talent ability depicting method based on scientific research accomplishment data

The invention discloses a talent ability depicting method based on scientific research accomplishment data and belongs to the data mining field. The method comprises steps that paper ability of all the talents is acquired through calculation based on quality, the publication time, the author order and the reference information of papers published by the talents; based on acceptance states, the application time and the inventor ordering information of application patents, patent ability of all the patents is acquired through calculation; based on the class, the grade, project fund, the accomplishment time and the project personnel ordering information of accomplished projects, project ability of all the talents is acquired through calculation; based on achievements in recent years, the active degree of all the talents is acquired through calculation; based on projection and patent enforcement situations, the practice degree of all the talents is acquired through calculation; and normalization is carried out according to the calculation results of the five aspects, and radar map visual expression is further realized. The method is advantaged in that talent scientific research ability figure construction and visualization are realized according to the scientific research accomplishment database, and the general scientific research ability situations of the talents can be rapidly and visually mastered.
Owner:HANGZHOU DIANZI UNIV

Bridge hanging basket construction risk assessment method based on fuzzy analytic hierarchy process

The invention relates to a bridge hanging basket construction risk assessment method based on a fuzzy analytic hierarchy process. The method comprises the steps that a bridge construction project hanging basket construction safety risk assessment index set is determined; according to expert evaluation opinions, a judgment matrix is obtained through comparison of every two factors, the maximum feature value and weight of the judgment matrix are calculated, and whether consistency of the judgment matrix passes or not is checked; a grade matrix of a single criterion layer is determined by using atrapezoidal membership function, and a primary fuzzy evaluation matrix is obtained via calculation; and finally, a step of comprehensively carrying out secondary fuzzy comprehensive evaluation on themain criterion layer is conducted to obtain a risk evaluation result. The safety condition of the bridge hanging basket construction system is evaluated through the fuzzy hierarchy method, and the method has the advantages of being simple in design, convenient to implement, comprehensive in consideration factor and the like; meanwhile, according to a construction site and a safety system of the construction site, uncertain influence factors causing bridge hanging basket construction accidents can be converted into a model capable of conducting quantitative calculation, and therefore scientific reference is provided for preventing and controlling the hanging basket construction accidents.
Owner:CHANGSHA UNIVERSITY OF SCIENCE AND TECHNOLOGY

Crop virtual breeding method based on plant function and structure model

A crop virtual breeding method based on a plant function and structure model. The method combines a physiological and structural crop virtual growth model and quantitative genetic information, fulfills the aim of carrying out virtual breeding by simulating the growth and development process and the propagation process of crops and comprises the steps of: acquiring physiological data, morphological data, quantitative genetic data and growth environment data of the crops to construct an original data set; based on original data, constructing the crop function and structure model by a computer graphics method and a crop ecology principle; constructing a genetic module which comprises the quantitative genetic information and establishing association from the quantitative genetic information to related model parameters; adding simulation on genetic operations of crossing, recombination and the like in the hybridization process and implementing simulation on the propagation process of the crops; and implementing virtual breeding by selection and hybridization on individuals in the model. By providing the crop virtual breeding method based on the plant function and structure model, virtual breeding of the crops can be implemented by a computer technology so as to provide assistance and support for a conventional breeding progress.
Owner:ZHEJIANG UNIV OF TECH

Large-scale wind power-containing power transmission network planning system considering risks

The invention relates to a large-scale wind power-containing power transmission network planning system considering risks. The large-scale wind power-containing power transmission network planning system comprises a database module, an input module, an analysis module, a planning module and an output module, wherein the database module is used for storing wind speed data, load data and power equipment data; the input module is used for acquiring required data from the database module and the outside of the system; the analysis module is used for calculating an economic risk index, a technical risk index and investment cost of a planning scheme according to the input data and acquiring security constraint conditions of a power transmission network; the planning module is used for building a power transmission network planning model, determining the power transmission network planning model according to the economic risk index, the technical risk index, the investment cost and the security constraint conditions of the power transmission network, obtained by the analysis module, and acquiring the power transmission network planning result considering the economic risk and the technical risk; and the output module is used for outputting the power transmission network planning result. Compared with the prior art, the risks caused by wind farm output uncertainty can be lowered when the investment cost is controlled; and the large-scale wind power-containing power transmission network planning system has the advantages of high efficiency, comprehensive factor consideration and the like.
Owner:STATE GRID CORP OF CHINA +3

Strip steel red rust defect detection method based on artificial intelligence

The invention relates to a strip steel red rust defect detection method based on artificial intelligence, and the method comprises the steps: collecting an RGB image of strip steel, removing a background, obtaining a region of interest of the image, carrying out the graying processing of the region of interest, obtaining the gray-scale maps of channels R, G and B, extracting the texture features of the channel R through a gray-scale co-occurrence matrix method, obtaining a gray-scale map quality index of a channel, obtaining a gray-scale difference map of the channel at the same time, obtaining a red rust gray-scale feature map of a single channel according to the gray-scale map quality index and the gray-scale difference map, clustering pixel points of the feature map to obtain a connected domain, and obtaining an area and a contrast feature mean value of the connected domain; forming a feature matrix by the area, the contrast feature mean value and the value of the corresponding pixel point, taking the feature matrix as the input of a classifier, and outputting the defect degree of the red rust grey-scale map. According to the method, the feature map reflecting the red rust defect can be more accurately obtained, and then the red rust defect prediction is more accurate.
Owner:江苏苏桥焊材有限公司

On-line monitoring area inaccurate rate calculation method, equipment and medium

The invention discloses an on-line monitoring area inaccurate rate calculation method, equipment and a medium. The method comprises steps as follows: S1, acquiring time-point electric quantity data ofeach user meter under a master meter in an area online; S2, verifying whether acquired electric quantity data of the master meter in the area are 0, determining that the master meter is not used or the master meter fails if the electric quantity data of the master meter in the area are 0, and performing further calculation if the electric quantity data of the master meter in the area are not 0; S3, calculating error rates of each user meter, line loss rate of the area and fixed loss of the area according to a prototype flow conservation formula of a data application electric energy meter error rate model acquired online; and S4, calculating the error rate of the master meter by use of a correction model, and correcting the error rates of each user meter, the line loss rate of the area andthe fixed loss of the area. With the implementation of the method, for online monitoring calculation of the inaccurate rate of an intelligent electric meter, considering factors for calculation of the inaccurate rate are richer, output of result amount is increased, and the result is more reliable and accurate.
Owner:SHENZHEN POWER SUPPLY BUREAU
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