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33results about How to "Reasonably formulated" patented technology

Refined crop fertilization system and nitrogenous fertilizer fertilization method

The invention discloses a refined crop fertilization system and a fertilization method. The fertilization system comprises an omnibearing movable platform as well as a fertilization device, a detection device and a control device, which are all arranged on the omnibearing movable platform, wherein the omnibearing movable platform, the fertilization device and the detection device are controlled by the control device; the fertilization device comprises a fertilizer box, a liquid outtake pipe, a conveying pump, a drive device and a mechanical arm, wherein one end of the liquid outtake pipe is connected with the conveying pump, and the other end of the liquid outtake pipe is communicated with a jet rod; a plurality of jets are arranged on the jet rod; the conveying pump is communicated with the bottom of the fertilizer box via a pipeline and used for pumping the fertilizer into the liquid outtake pipe; the drive device is connected with the conveying pump and used for driving the conveying pump to operate; the jet rod is fixed on the mechanical arm; the detection device comprises a binocular camera and a spectrograph both fixed on the mechanical arm. The invention further discloses a refined crop nitrogenous fertilizer fertilization method. According to the invention, the information on characteristics of crops can be comprehensively analyzed via the binocular camera and the spectrograph, so that refined fertilization is achieved, and meanwhile, the structure is simple, and the jet fertilization is more flexible.
Owner:ZHEJIANG UNIV

Power load forecasting method

A power load forecasting method comprises the following steps: steps 1, trialing all annual load characteristic indexes and a plurality of influence factors and establishing quantitative relations between all the annual load characteristic indexes and the plurality of influence factors; historical data includes annual load characteristic index data of the past years and influence factor data; step 2, forecasting all the annual load characteristic indexes of the years to be forecasted through the quantitative relations obtained in step 1, and forecasting the annual energy output of the years to be forecasted according to the forecasted annual load characteristic indexes; step 3, distributing the forecasted annual energy output to every mouth. The annual energy output and the mouth energy output can be forecasted through the method, the plurality of influence factors are considered as a whole, the forecasting accuracy is high, and a reliable foundation is provided for planning of power utilization plans. An improved grey forecasting method is used for calculation, so that the efficiency is high.
Owner:ZIGONG POWER SUPPLY COMPANY STATE GRID SICHUAN ELECTRIC POWER

Representation method of oil-gas exploration and oil-gas reservoir by taking vital bacterium abnormality and dead bacterium abnormality of methane-oxidizing bacteria as indicators

The invention discloses a representation method of oil-gas exploration and oil-gas reservoir by taking vital bacterium abnormality and dead bacterium abnormality of methane-oxidizing bacteria as indicators, comprising the following steps: collecting a sample above an oil-gas exploration and oil-gas reservoir representation area according to the specific grid degree, the sampling depth and the sampling amount, packaging and saving the sample according to the specific condition; adopting a conventional microorganism counting method to obtain the vital bacterium quantity and the dead bacterium quantity of the methane-oxidizing bacteria in the sample; drawing an equal bacterium line of the vital bacteria and an equal bacterium line of the dead bacteria on a map, a topographic map, a geologic map or a topography-geologic map to obtain the vital bacterium abnormality and the dead bacterium abnormality; comprehensively comparing the vital bacterium abnormality and the dead bacterium abnormality; and estimating and predicting the underground oil-gas resource condition of the oil-gas exploration and oil-gas reservoir representation area, or extracting an exploitation scheme of the oil-gas reservoir according to the characteristics of the vital bacterium abnormality and the dead bacterium abnormality and the differences of the vital bacterium abnormality and the dead bacterium abnormality, and combining the results of geological exploration, geochemical exploration and geophysical exploration.
Owner:GUANGZHOU ENENTA CHEM SCI & TECH

Supply-demand balance analysis method and supply-demand balance analysis system based on electric power, electric quantity and peak regulation balance

ActiveCN105389645AIncrease or decrease installed capacityImprove accuracyResourcesCombustionElectricity market
The invention provides a supply-demand balance analysis method and a supply-demand balance analysis system based on electric power, electric quantity and peak regulation balance. The supply-demand balance analysis method comprises the steps of acquiring an electric power demand analyzing and prediction result, an electric power supply analyzing and prediction result, electric power and electric quantity exchange data and network loss of each month; determining an electric power balance surplus according to a preset electric power balance calculating model; determining the number of a coal combustion set working hours according to a preset electric quantity balance calculation model; determining the peak regulation profit or loss according to the preset electric power balance calculating model; and determining whether electric power supply-demand balance is realized according to the electric power balance surplus, the number of the coal combustion set working hours and the peak regulation profit or loss. The supply-demand balance analysis method and the supply-demand balance analysis system provided by an embodiment of the invention can comprehensively and thoroughly analyze supply-demand balance of an electric power market and therefore have advantages of improving accuracy of supply-demand balance analysis result of the electric power market, facilitating reasonable making for short-period plan and middle-term plan of the electric power market, facilitating reasonable adding or reduction for installed capability of the coal combustion set, and preventing resource wastage.
Owner:ELECTRIC POWER RESEARCH INSTITUTE, CHINA SOUTHERN POWER GRID CO LTD +1

Logistics information query method and apparatus

The invention provides a logistics information query method and apparatus. The method comprises the steps of receiving a primary query request of a logistics user to specific logistics information; according to a query condition provided by the primary query request, querying information related to the specific logistics information in a specified logistics information storage database; according to the query condition and / or the queried information related to the specific logistics information, initiating a secondary query request to a corresponding logistics system; according to received real-time logistics information and the queried information related to the specific logistics information in the specified logistics information storage database, updating corresponding data in the specified logistics information storage database; and forming a query result corresponding to the primary query request according to the updated corresponding data in the specified logistics information storage database, generating a query result display page and sending the query result display page to the logistics user.
Owner:CAINIAO SMART LOGISTICS HLDG LTD

Numerical processing method for deformation in pipeline

The invention discloses a numerical processing method for deformation in a pipeline, and belongs to the field of pipeline deformation detection engineering. The problem that the pipeline deformation and pipeline three-dimensional model reconstruction is analyzed according to the detection data is solved. According to the three-dimensional detection data of the deformation in the pipeline, a plurality of discrete data point columns of a plurality of cross section perpendicular to the axis of the pipeline is established, and an additional point is arranged at the end of the discrete data point column, so that the processed discrete data point columns can form a closed curve. A cubic spline function of each section is obtained according to the processed discrete data point columns of each section and solved to obtain a one-dimensional closed curve fitting of the section of the pipeline and the ovality of the section of the pipeline. The discrete data point column sets of each section forma pipeline three-dimensional point cloud data set, and a three-dimensional model of the pipeline is established. The numerical value processing method can be used for establishing a three-dimensionalmodel of a pipeline.
Owner:BEIJING HUAHANG RADIO MEASUREMENT & RES INST

Method for realizing construction progress monitoring based on unmanned aerial vehicle oblique photogrammetry technology

The invention, which relates to the field of construction progress monitoring, provides a method for realizing construction progress monitoring based on an unmanned aerial vehicle oblique photogrammetry technology . The method comprises the following steps: S1, determining a construction task; S2, designing a route according to the construction task in the S1; S3, after completion of the airline design in the S2, determining whether the airspace application is approved or not; if not, returning to the S1; and if so, carrying out the S4; S4, arranging target points on the ground of a plant; S5,according to the arrangement of the target points in the S4, acquiring plant area images obliquely through an unmanned aerial vehicle; S6, carrying out aerial triangulation; S7, generating a true three-dimensional model; S8, after construction of the true three-dimensional model, comparing the actual construction progress witha planned construction progress to reflect progress deviation; and S9,predicting a later engineering progress trend. The method can vividly reflect the spatial form of a building and is easy to compare the construction progress deviation.
Owner:内蒙古蒙能建设工程监理有限责任公司

Method for implementing oil-gas exploration and oil-gas reservoir characterization by using living bacteria exception and total bacteria exception of methylosinus trichosporium as indexes

The invention discloses a method for implementing oil-gas exploration and oil-gas reservoir characterization by using living bacteria exception and total bacteria exception of methylosinus trichosporium as indexes. The method comprises the following steps of: acquiring a sample above an oil-gas exploration and oil-gas reservoir characterization area according to the specific grid degree, samplingdepth and sampling quantity, and packing and storing the sample according to the specific conditions; simultaneously acquiring the living bacteria number and the total bacteria number of the methylosinus trichosporium in the sample by adopting a conventional microbe counting method, and drawing an equal living bacteria line and an equal total bacteria line on a map, a topographic map, a geologic map or a topographic-geologic map to obtain the living bacteria exception and the total bacteria exception; comprehensively comparing the living bacteria exception with the total bacteria exception; making a judgment and a prediction or providing an oil-gas reservoir exploitation scheme for the underground oil-gas resource condition of the oil-gas exploration and oil-gas reservoir characterizationarea according to the characteristics, similarities and differences of the living bacteria exception and the total bacteria exception by combining the results of geologic exploration, geochemical exploration and geophysical exploration.
Owner:SUN YAT SEN UNIV +1

Automatic control system of gas turbine generator set

The invention relates to an automatic control system of a gas turbine generator set. The system adopts a plug-in board structure, and includes a main channel and a subsidiary channel. The main channel comprises a secondary power supply, a single chip microcomputer, an optical coupling input isolation circuit, a photovoltaic relay output isolation circuit, a data acquisition circuit, and an electromagnetic valve drive circuit. The subsidiary channel adopts a sequential logic circuit to realize the control function. The system provided by the invention completes cold start, process startup and programmed start by receiving external instructions, monitors the air inlet temperature, the exhaust temperature, the lubricating oil pressure, rotation speed and other over 30 operating parameters of the generator set during working, accomplishes over 20 fault protection and alarm functions, and transmits the exhaust temperature, the rotation speed, the fault and other information to a display control device, thus realizing the human-computer interaction function.
Owner:SHENYANG AEROSPACE XINGUANG GRP

Method for evaluating service life of accessory of aircraft engine

ActiveCN105760685ADoes it affect normal workScientifically formulate appropriate management methodsSpecial data processing applicationsInformaticsAssessment methodsLife evaluation
The invention relates to a method for evaluating the service life of an accessory of an aircraft engine. The method comprises the following steps of: formulation of a primary evaluation implementation scheme, sampling evaluation, life evaluation and examination, acceptable risk and serviceability analysis, issue life determination, conclusion appraisal and reporting implementation. The method comprises the steps of firstly knowing whether the normal working of the engine is influenced by the working and adjusting conditions of the accessory on the engine, and if the performance change of the accessory is remedied by the adjustment of the accessory on the engine, evaluating whether the accessory has margin to work to a next issue life according to the size of the adjustment amount. According to the method, the concept of 'condition-based' maintenance of the accessory of the engine is introduced, the service life is no longer controlled, aspects of evaluation time interval and the like in existing accessory life control methods are broken through, and adaptable management methods are scientifically and reasonably formulated according to accessories with different lives and states.
Owner:AECC AVIATION POWER CO LTD

Method for determining an optimal bridge maintenance technology combination under multiple diseases by using a genetic algorithm

PendingCN109919503AThe decision-making results are more scientific and objectiveThe principle is simpleGenetic modelsResourcesOptimal maintenanceGenetics algorithms
The invention belongs to the field of bridge maintenance, and particularly relates to a method for determining an optimal bridge maintenance technology combination under multiple diseases by using a genetic algorithm. According to the technical scheme, the method comprises the following steps that (1) determining maintenance technology list optimization indexes, wherein the maintenance technologylist optimization indexes comprise a cost index, a service life and an application index; (2) respectively carrying out data initial processing and normalization on the cost index, the adaptation index and the service life of the maintenance technology; (3) determining the weight value of each index by adopting a G1 method; (4) establishing a coefficient matrix of each index according to the normalized data; and (5) introducing a decision matrix, establishing a genetic algorithm multi-objective optimization model, and further determining an optimal maintenance technical list of the bridge under multiple diseases. The method for determining the optimal bridge maintenance technology combination under multiple diseases by using the genetic algorithm is wide in application range, simple in principle, convenient to use and good in reliability.
Owner:NORTHEASTERN UNIV

Herpes zoster neuralgia curative effect prediction method and system based on functional magnetic resonance

The invention discloses a herpes zoster neuralgia curative effect prediction method and system based on functional magnetic resonance. The herpes zoster neuralgia curative effect prediction method comprises the steps: obtaining a first image which comprises a functional magnetic resonance image and a structure image of a herpes zoster neuralgia patient; performing parameter calculation according to the first image, the parameter comprising a local consistency value and a fractional low-frequency amplitude; and predicting the curative effect of herpes zoster neuralgia by adopting a machine learning method according to a parameter calculation result. According to the invention, the functional magnetic resonance image of the first image is combined with machine learning to predict the curative effect of herpes zoster neuralgia; and nerve activity signs such as local consistency values and fractional low-frequency amplitudes are searched through the machine learning method, and the medicine curative effect of a patient can be objectively pre-judged, and a doctor can formulate a medical scheme for the patient more reasonably, and the working efficiency of the doctor is improved. The herpes zoster neuralgia curative effect prediction method can be widely applied to the field of medical image pattern recognition.
Owner:SHENZHEN NANSHAN DISTRICT PEOPLES HOSPITAL +1

Method and system for predicting treatment effects of shingles neuralgia based on structural magnetic resonance

The invention discloses a method and system for predicting treatment effects of shingles neuralgia based on structural magnetic resonance. The method comprises the following steps: obtaining a structural magnetic resonance image of a patient suffering from the shingles neuralgia; performing pretreatment on the obtained structural magnetic resonance image so as to obtain gray matter volume, whereinthe pretreatment comprises steps of rectification, separation and modulation; and according to the gray matter volume and a machine learning method, predicting the treatment effects of the shingles neuralgia. According to the method disclosed by the invention, the structural resonance imaging and machine learning are combined to predict the treatment effects of the shingles neuralgia, through themachine learning method, the gray matter volume as a nerve image mark is found, the medicine treatment effects of patients can be objectively predicted and judged, doctors can more reasonably formulate a medical care scheme for the patients, and the working efficiency of the doctors can be improved. The method disclosed by the invention can be widely applied to the field of medical image patternrecognition.
Owner:SHENZHEN UNIV +1

Energy management method suitable for micro-grid containing electric vehicle charging pile

The invention discloses an energy management method suitable for a micro-grid containing an electric vehicle charging pile. According to the method, an electric vehicle needs to reserve a charging pile before charging, and charging demand information is submitted; on the day before the dispatching day, based on day-ahead prediction data and day-ahead electric vehicle charging reservation information of load and renewable energy power generation, an electric vehicle ordered charging plan and an energy storage charging and discharging plan of each time period of the whole day are made by taking the minimum operation cost and the minimum maximum demand of the micro-grid as targets; in each time period of a dispatching day, based on real-time data of load and renewable energy power generation, optimization is carried out by taking the minimum deviation between energy storage real-time charging and discharging power and a day-ahead energy storage charging and discharging plan as a target; and the day-ahead plan is updated in real time based on the latest information according to the condition of the electric vehicle. Compared with the prior art, the strategy has the advantages of being stable, efficient, economical, environmentally friendly, capable of fully utilizing the flexibility of the electric vehicle, capable of being win-win all aspects and the like.
Owner:ZHEJIANG UNIV

Method for implementing oil-gas exploration and oil-gas reservoir characterization by using living bacteria anomaly and total bacteria anomaly of methylosinus trichosporium as indexes

The invention discloses a method for implementing oil-gas exploration and oil-gas reservoir characterization by using living bacteria exception and total bacteria exception of methylosinus trichosporium as indexes. The method comprises the following steps of: acquiring a sample above an oil-gas exploration and oil-gas reservoir characterization area according to the specific grid degree, sampling depth and sampling quantity, and packing and storing the sample according to the specific conditions; simultaneously acquiring the living bacteria number and the total bacteria number of the methylosinus trichosporium in the sample by adopting a conventional microbe counting method, and drawing an equal living bacteria line and an equal total bacteria line on a map, a topographic map, a geologic map or a topographic-geologic map to obtain the living bacteria exception and the total bacteria exception; comprehensively comparing the living bacteria exception with the total bacteria exception; making a judgment and a prediction or providing an oil-gas reservoir exploitation scheme for the underground oil-gas resource condition of the oil-gas exploration and oil-gas reservoir characterization area according to the characteristics, similarities and differences of the living bacteria exception and the total bacteria exception by combining the results of geologic exploration, geochemical exploration and geophysical exploration.
Owner:SUN YAT SEN UNIV +1

AGV self-guiding system assisted by unmanned aerial vehicle and method thereof

The invention relates to an AGV self-guiding system assisted by an unmanned aerial vehicle and a method thereof. The system comprises an AGV, a self-guiding controller, a wireless communication moduleand a multi-rotor unmanned aerial vehicle. The corresponding self-guiding method comprises the following steps of: switching the state of the multi-rotor unmanned aerial vehicle and completing switching between states by judging conditions, the states of the multi-rotor unmanned aerial vehicle including an automatic tracking state, an active detection state, a carrying state and a charging state.The switching process specifically comprises the following steps: S1, the environment information of the AGV is obtained, and the external environment state and the self motion state are judged; S2,a theoretical state of the multi-rotor unmanned aerial vehicle is obtained according to the external environment state and the self motion state, and a corresponding state switching instruction is generate3d; S3, the wireless communication module sends the state switching instruction; and S4, the multi-rotor unmanned aerial vehicle receives and processes the state switching instruction and entersa corresponding state. Compared with the prior art, the system has the advantages of being wider in coverage range, higher in safety, capable of running for a long time and the like.
Owner:TONGJI UNIV

A method of construction progress monitoring based on UAV oblique photogrammetry technology

The invention, which relates to the field of construction progress monitoring, provides a method for realizing construction progress monitoring based on an unmanned aerial vehicle oblique photogrammetry technology . The method comprises the following steps: S1, determining a construction task; S2, designing a route according to the construction task in the S1; S3, after completion of the airline design in the S2, determining whether the airspace application is approved or not; if not, returning to the S1; and if so, carrying out the S4; S4, arranging target points on the ground of a plant; S5,according to the arrangement of the target points in the S4, acquiring plant area images obliquely through an unmanned aerial vehicle; S6, carrying out aerial triangulation; S7, generating a true three-dimensional model; S8, after construction of the true three-dimensional model, comparing the actual construction progress witha planned construction progress to reflect progress deviation; and S9,predicting a later engineering progress trend. The method can vividly reflect the spatial form of a building and is easy to compare the construction progress deviation.
Owner:内蒙古蒙能建设工程监理有限责任公司

Method and system for updating service information in subscription profile repository

A method for updating service information in a Subscriber Profile Repository (SPR) is provided and includes: when the Internet Protocol Connectivity Access Network (IP-CAN) session of a User Equipment (UE) ends, the Policy and Charging Rules Function (PCRF) reports the usage amount information or rest amount information of the IP-CAN session to the SPR; the SPR updates the current stored rest amount information of the time-scale and / or traffic subscribed by the user. The present invention enables that the actual rest amount information of the time-scale and / or traffic subscribed by the user is stored, and consequently the exact rest amount of the time-scale and / or traffic can be obtained from the SPR when the IP-CAN session is established so as to constitute the Policy and Charging Control (PCC) policy more reasonably.
Owner:ZTE CORP

A method for controlling cracks in the web center of profiled billets

ActiveCN107876721BImprove internal qualityImprove rolling yieldLiquid coreSupporting system
The invention provides a control method for a web center crack of a special-shaped blank and belongs to the technical field of steel making near-net-shape continuous casting. The control method for the web center crack of the special-shaped blank comprises the steps that the distance between an outlet of a casting blank supporting system a special-shaped blank continuous casting machine and a crystallizer meniscus is obtained to be 4-6 m; through pretreatment, model building, calculation process and post-treatment, the real-time thermal state information existing when the casting blank is located at different positions in the continuous casting machine is analyzed; the web centre liquid core length Lfb is controlled, and m is within the range of Dsg-1.0<=Lfb<=Dsg; the components of the steel type are optimized and adjusted, and according to the shrinkage amounts of the thicknesses, at a flange and a web, of the casting blank, the roll gap shrinkage taper of each sector section in the casting blank supporting system is set. The control method for the web center crack of the special-shaped blank has the advantages that the method is simple, economical and efficient, the occurrence rate of the web center crack defect is effectively reduced or the web center rack defect is effectively eliminated, and the competitiveness of the product is improved.
Owner:SHOUGANG CORPORATION

A UAV-assisted AGV self-guiding system and method thereof

The invention relates to an AGV self-guiding system assisted by an unmanned aerial vehicle and a method thereof. The system comprises an AGV, a self-guiding controller, a wireless communication moduleand a multi-rotor unmanned aerial vehicle. The corresponding self-guiding method comprises the following steps of: switching the state of the multi-rotor unmanned aerial vehicle and completing switching between states by judging conditions, the states of the multi-rotor unmanned aerial vehicle including an automatic tracking state, an active detection state, a carrying state and a charging state.The switching process specifically comprises the following steps: S1, the environment information of the AGV is obtained, and the external environment state and the self motion state are judged; S2,a theoretical state of the multi-rotor unmanned aerial vehicle is obtained according to the external environment state and the self motion state, and a corresponding state switching instruction is generate3d; S3, the wireless communication module sends the state switching instruction; and S4, the multi-rotor unmanned aerial vehicle receives and processes the state switching instruction and entersa corresponding state. Compared with the prior art, the system has the advantages of being wider in coverage range, higher in safety, capable of running for a long time and the like.
Owner:TONGJI UNIV

Task-oriented comprehensive threat degree quantification method and system

PendingCN114254873AComprehensive task performance evaluationReasonable assessment of task effectivenessDesign optimisation/simulationResourcesReliability engineeringReal-time computing
The invention belongs to the technical field of task comprehensive threat assessment, and particularly relates to a task-oriented comprehensive threat degree quantification method and system, and the method comprises the steps: building an environment comprehensive cost model according to a task efficiency assessment demand, the environment comprehensive cost type in the model at least comprises threat degree cost related to self performance of a task executor; and solving the environment comprehensive cost model, and quantifying the comprehensive threat degree in task execution by analyzing the growth rate of the comprehensive threat degree cost. According to the method, the space-time comprehensive threat cost is used as a task efficiency evaluation index, task efficiency evaluation can be comprehensively and reasonably carried out, the purpose of scientifically, effectively and reasonably formulating and selecting a corresponding strategy in task execution is achieved, the analysis efficiency is high, and the method has a good application prospect.
Owner:PLA STRATEGIC SUPPORT FORCE INFORMATION ENG UNIV PLA SSF IEU +1

A kind of refined crop fertilization system and nitrogen fertilizer fertilization method

The invention discloses a refined crop fertilization system and a fertilization method. The fertilization system comprises an omnibearing movable platform as well as a fertilization device, a detection device and a control device, which are all arranged on the omnibearing movable platform, wherein the omnibearing movable platform, the fertilization device and the detection device are controlled by the control device; the fertilization device comprises a fertilizer box, a liquid outtake pipe, a conveying pump, a drive device and a mechanical arm, wherein one end of the liquid outtake pipe is connected with the conveying pump, and the other end of the liquid outtake pipe is communicated with a jet rod; a plurality of jets are arranged on the jet rod; the conveying pump is communicated with the bottom of the fertilizer box via a pipeline and used for pumping the fertilizer into the liquid outtake pipe; the drive device is connected with the conveying pump and used for driving the conveying pump to operate; the jet rod is fixed on the mechanical arm; the detection device comprises a binocular camera and a spectrograph both fixed on the mechanical arm. The invention further discloses a refined crop nitrogenous fertilizer fertilization method. According to the invention, the information on characteristics of crops can be comprehensively analyzed via the binocular camera and the spectrograph, so that refined fertilization is achieved, and meanwhile, the structure is simple, and the jet fertilization is more flexible.
Owner:ZHEJIANG UNIV

Representation method of oil-gas exploration and oil-gas reservoir by taking vital bacterium abnormality and dead bacterium abnormality of methane-oxidizing bacteria as indicators

The invention discloses a representation method of oil-gas exploration and oil-gas reservoir by taking vital bacterium abnormality and dead bacterium abnormality of methane-oxidizing bacteria as indicators, comprising the following steps: collecting a sample above an oil-gas exploration and oil-gas reservoir representation area according to the specific grid degree, the sampling depth and the sampling amount, packaging and saving the sample according to the specific condition; adopting a conventional microorganism counting method to obtain the vital bacterium quantity and the dead bacterium quantity of the methane-oxidizing bacteria in the sample; drawing an equal bacterium line of the vital bacteria and an equal bacterium line of the dead bacteria on a map, a topographic map, a geologic map or a topography-geologic map to obtain the vital bacterium abnormality and the dead bacterium abnormality; comprehensively comparing the vital bacterium abnormality and the dead bacterium abnormality; and estimating and predicting the underground oil-gas resource condition of the oil-gas exploration and oil-gas reservoir representation area, or extracting an exploitation scheme of the oil-gas reservoir according to the characteristics of the vital bacterium abnormality and the dead bacterium abnormality and the differences of the vital bacterium abnormality and the dead bacterium abnormality, and combining the results of geological exploration, geochemical exploration and geophysical exploration.
Owner:GUANGZHOU ENENTA CHEM SCI & TECH

Supply and demand balance analysis method and system based on power, electricity and peak load balancing

ActiveCN105389645BIncrease or decrease installed capacityImprove accuracyResourcesCombustionElectricity market
The invention provides a supply-demand balance analysis method and a supply-demand balance analysis system based on electric power, electric quantity and peak regulation balance. The supply-demand balance analysis method comprises the steps of acquiring an electric power demand analyzing and prediction result, an electric power supply analyzing and prediction result, electric power and electric quantity exchange data and network loss of each month; determining an electric power balance surplus according to a preset electric power balance calculating model; determining the number of a coal combustion set working hours according to a preset electric quantity balance calculation model; determining the peak regulation profit or loss according to the preset electric power balance calculating model; and determining whether electric power supply-demand balance is realized according to the electric power balance surplus, the number of the coal combustion set working hours and the peak regulation profit or loss. The supply-demand balance analysis method and the supply-demand balance analysis system provided by an embodiment of the invention can comprehensively and thoroughly analyze supply-demand balance of an electric power market and therefore have advantages of improving accuracy of supply-demand balance analysis result of the electric power market, facilitating reasonable making for short-period plan and middle-term plan of the electric power market, facilitating reasonable adding or reduction for installed capability of the coal combustion set, and preventing resource wastage.
Owner:ELECTRIC POWER RESEARCH INSTITUTE, CHINA SOUTHERN POWER GRID CO LTD +1

Maintenance technology selection method under single disease of highway concrete bridge

PendingCN109784751AScientific formulationReasonably formulatedResourcesDiseasePlant disease
The invention belongs to the field of bridge maintenance, and particularly relates to a maintenance technology selection method under a single disease of a highway concrete bridge. The technical scheme is as follows: the method comprises the following steps: 1) determining a bridge maintenance technology selection index under a single disease; 2) quantifying the selection indexes; 3) determining weight values p1, p2 and p3 of each evaluation and selection index by using an analytic hierarchy process based on experts; and 4) calculating a comprehensive evaluation value of each maintenance technology by adopting a simple linear weighting method, and obtaining a bridge maintenance technology list under a single disease according to the comprehensive evaluation value of each maintenance technology. According to the maintenance technology selection method for the expressway concrete bridge under the single disease, the optimal maintenance technology under the single disease can be selectedaccording to the visual numerical calculation result, and therefore scientific decision making of bridge maintenance management is achieved.
Owner:NORTHEASTERN UNIV

A Method for Determining the Maintenance Priority of Concrete Bridges in Expressway Network

The invention belongs to the field of bridge maintenance, and in particular relates to a method for determining the maintenance priority of concrete bridges in a highway network. The technical scheme of the present invention is as follows: comprise the following steps: 1), establish the information system S of bridge management; 2), data discretization: carry out discretization according to the interval that each property continuous numerical value of bridge provides; 3), rough set synthesis Evaluation: Calculate the importance weight ω of each attribute j and the comprehensive evaluation value K of each bridge i ; Subsequently, the comprehensive evaluation value is subjected to vector normalization processing, and the comprehensive evaluation value K of each bridge after normalization processing is obtained i ’; finally according to the K of each bridge i ’ value to determine the priority order of concrete bridge maintenance in the expressway network; 4) Establish an optimization model for decision-making results. The invention can combine the engineering experience of experts in the field of bridge maintenance and the mathematical analysis knowledge of engineering economics to rationally and scientifically formulate the bridge maintenance plan in the road network.
Owner:NORTHEASTERN UNIV LIAONING

Gas Turbine Generator Set Automatic Control System

The invention relates to an automatic control system of a gas turbine generator set. The system adopts a plug-in board structure, and includes a main channel and a subsidiary channel. The main channel comprises a secondary power supply, a single chip microcomputer, an optical coupling input isolation circuit, a photovoltaic relay output isolation circuit, a data acquisition circuit, and an electromagnetic valve drive circuit. The subsidiary channel adopts a sequential logic circuit to realize the control function. The system provided by the invention completes cold start, process startup and programmed start by receiving external instructions, monitors the air inlet temperature, the exhaust temperature, the lubricating oil pressure, rotation speed and other over 30 operating parameters of the generator set during working, accomplishes over 20 fault protection and alarm functions, and transmits the exhaust temperature, the rotation speed, the fault and other information to a display control device, thus realizing the human-computer interaction function.
Owner:SHENYANG AEROSPACE XINGUANG GRP
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