242 results about "Systems research" patented technology

The invention discloses a human body gesture identification method based on a depth convolution neural network, belongs to the technical filed of mode identification and information processing, relates to behavior identification tasks in the aspect of computer vision, and in particular relates to a human body gesture estimation system research and implementation scheme based on the depth convolution neural network. The neural network comprises independent output layers and independent loss functions, wherein the independent output layers and the independent loss functions are designed for positioning human body joints. ILPN consists of an input layer, seven hidden layers and two independent output layers. The hidden layers from the first to the sixth are convolution layers, and are used for feature extraction. The seventh hidden layer (fc7) is a full connection layer. The output layers consist of two independent parts of fc8-x and fc8-y. The fc8-x is used for predicting the x coordinate of a joint. The fc8-y is used for predicting the y coordinate of the joint. When model training is carried out, each output is provided with an independent softmax loss function to guide the learning of a model. The human body gesture identification method has the advantages of simple and fast training, small computation amount and high accuracy.

The invention discloses a planning method and system for optimizing a micro-grid containing distributed power sources and stored energy, wherein the planning method and system are based on an intelligent optimization algorithm. The planning method is used for optimizing the micro-grid containing the distributed power sources and the stored energy, and comprises the steps that basic data are provided for a planning and design scheme, and modeling and load flow calculation are performed on an area to be planned; a micro-grid wiring mode suitable for the area to be planned is determined; site locations, to be chosen, of the multi-type distributed power sources are determined; a site distribution and capacity determining model is established, and a grid frame of the micro-grid containing the distributed power sources and the stored energy is planned and designed; a joint planning scheme and a joint planning module under a decided investment subject are formed; the joint planning scheme is output and evaluated. According to the planning method and system for optimizing the micro-grid containing the distributed power sources and the stored energy, on the basis of basic characteristic study of the distributed power sources and the micro-grid, planning for optimizing the micro-grid containing the photovoltaic power sources is systematically studied, the positions, capacities and the grid frame structures of all kinds of distributed power sources in the micro-grid in the specified planning area are reasonably allocated, and the micro-grid optimization planning scheme which is complete, effective and high in integrity, and is closely integrated with engineering practice is established.

The invention discloses an electric power meter reading system and an electric power meter reading method based on a two-dimensional code. The electric power meter reading system comprises a plurality of electric meters, a plurality of concentrators with a communication function, a plurality of portable mobile terminals and a backstage service control end, wherein each electric meter is used for metering electric quantity and converting metering data into a two-dimensional code label; the signal output end of each electric meter is connected with the corresponding concentrator; the signal output end of each concentrator is wirelessly connected with the backstage service control end to send the two-dimensional code label of the corresponding electric meter; each portable mobile terminal is used for acquiring the two-dimensional code label from the corresponding electric meter and is wirelessly connected with the backstage service control end to send the two-dimensional code label of the corresponding electric meter; the backstage service control end is used for analyzing each two-dimensional code label, reading the metering data of each electric meter and storing the metering data in a database. A new method is provided for intelligent meter reading of an electric power system, a remote meter reading technology based on the two-dimensional code is successfully developed, and a system research and development platform is provided for advanced metering of a new intelligent power grid.

This invention relates to manufacturing method of sulfurous free machining non- quenched and tempered steel. Desulfurization operation is not used in convertor, residue consumption is reduced, and convertor few residue smelting technology is realized. Appropriate deoxidizer and deoxidation technique is selected and high sulfur steel sulfide inclusion is controlled efficiently to make it tiny, uniform distributing, it realizes innocent treatment of high sulfur steel sulfide inclusion. Sulfur element absorptivity, narrow composition control and inclusion removal is ensured by refining technique and residue system research. The contradiction of reducing oxygen content and ensuring sulfur content is solved and high sulfur steel continuous casting low control problem. Sulfur in steel can be stably controlled to 0.040~0.060% by this invention, the history domestic convertor-refinery-continuous casting-binding and cold control technique can not produce sulfurous free machining non- quenched and tempered steel is changed. The steel quality is good and reaches to convertor-refinery-molded casting-binding and cold control technique level. It has been mass produced, and has good reflection from consumer.

The invention provides a fusion method and device of a multisource sea surface wind field. The fusion method comprises the following steps: obtaining multisource sea surface wind field data which comprises sea surface wind field data and/ or multiple pieces of reanalysis meteorological sea surface wind field data collected by a plurality of satellite borne microwave remote sensors; according to a preset temporal-spatial resolution, independently carrying out meshing processing on the sea surface wind field data obtained by each satellite borne microwave remote sensor to obtain multiple pieces of corresponding sea surface wind field data with the equal longitude and latitude; and utilizing a temporal-spatial interpolation algorithm to carry out interpolation calculation on all sea surface wind field data with the equal longitude and latitude to obtain fusion sea surface wind field data. The fusion method can perform the advantage of the cooperative observation of a multisource satellite, can effectively improve the coverage range and the temporal-spatial resolution of the sea surface wind field data through the fusion sea surface wind field data constructed by the fusion of satellite remote sensing wind field data and/ or reanalysis meteorological sea surface wind field data on a premise that meso-and micro-scale characteristic information can be kept, and can better meet the requirements of numerical weather prediction, marine forecasting research and marine meso-and micro-scale system research.

The invention discloses a dynamic route guidance method oriented to urban traffic, relating to various optimal route planning methods in a geographic information system (GIS) and an intelligent traffic system. The method comprises the following steps: through taking a GIS (geographic information system) software product ArcGIS road model provided by the Environmental System Research Institute (ESRI) in America as the basis, loading a road traffic map of the Beijing city, simulating the operation efficiency of twelve route planning methods such as a PSP (play station portable), Dijkstra and soon in different road traffic conditions, and displaying the dynamic traffic information of major roads in real time to realize the presentation of the dynamic traffic flow information; and simulatingthe operation efficiency of different route planning methods in dynamic traffic condition by successfully applying the dynamic traffic flow information in the computation of the dynamic optimal route. The prototype system belongs to the field of transportation, and can be applied to the simulation experiment of the optimal route planning method in an intelligent transportation system, a vehicle navigation system and the GIS, thereby providing a reference and basis for the research on road guidance systems.

The invention discloses a simulation test stand and a simulation method for a driving working condition of an electric automobile. According to the test stand, a test driving motor is utilized to simulate a motor running state of the electric automobile under a simple working condition and a circulating working condition; a dynamometer which is coaxially connected with the test driving motor is adopted to output a load torque which matches with a resistance experienced by the electric automobile when driving under a simulated working condition; a rotating speed closed-loop control based on a single chip microcomputer is utilized to solve the problem for accurate controlling the rotating speed of the test driving motor under the circulating working condition; and the calibration and closed-loop control for the loading amount of the dynamometer is utilized to improve the matching precision between the load torque output by the dynamometer and the driving resistance under the actual working condition, so that the test driving motor can operate according to the simulated driving condition of the electric automobile. The scale of the test stand is reduced, the research and analysis requirements for power driving systems of different electric vehicles are met, the simulation for different driving working conditions is met, and the application range is wide.

The invention provides a chamber fire simulation experiment device under the action of external wind. The device can simulate chamber fire combustion conditions in a laboratory under the action of the external wind and can be used for researching chamber fire development and windowsill overflow rules under the action of the external wind. The chamber fire simulation experiment device under the action of the external wind comprises an experiment table body, an outer vertical face, an external wind system and a matched measurement and control system. The device is designed according to a medium-size model proportion of 1:3 and is the first experimental device carrying out comprehensive and systematic study on the heat release rate, smoke flowing, temperature distribution, smoke compositions, the air supplement speed, thermal radiation flux, flame forms, sill overflowing and the like of a chamber fire under the action of the external wind. On the basis of previous experimental bases, the defects that a full-scale experiment is high in cost and a numerical simulation tool is not precise enough are overcome, repeatability of the experiment is guaranteed, and the device has great application value and important guiding significance in conducting laboratory scientific research and influences of actual external wind on the chamber fire.

The invention provides a performance test method and tool aiming at Linux process scheduling. The performance test method comprises the following benchmark test steps: step 11: selecting dimension and test items of a benchmark test; step 12: writing and configuring a test drive module; step 13: writing and configuring a performance index monitoring module; step 14: operating the test drive module to drive the execution of the benchmark test, meanwhile operating the benchmark test performance index monitoring module, collecting and processing the operating information of the Linux process scheduling in the test process, and recording the Linux process scheduling status at the real time so as to calculate and update the benchmark test performance index; and step 15: outputting the test results, the test executing process information and the benchmark test performance index information selected by the user. The performance test method provided by the invention can be applied in the Linux operation system research and development as well as the Linux process scheduling performance evaluated by the testers, and assists the optimizing of the Linux process scheduling performance, so that the correctness and the stability of the operation of the Linux operation system can be efficiently enhanced.

The invention relates to the field of micro-grid photovoltaic power generation system research, in particular to a micro-grid photovoltaic power generation short-term prediction method based on deep learning, which comprises the following steps of: 1, data preprocessing: performing supplementary correction on bad data and missing data in historical data, and then performing normalization processing to form training sample data; 2, dividing the processed sample data into sample subsets of different seasons and different generalized weather types, and inputting the sample subsets into an LSTM prediction model as training samples; 3, establishing an LSTM short-term prediction model according to the weather type, and training is completed; And 4, selecting a corresponding LSTM prediction sub-model according to the season to which the prediction day belongs and the weather type prediction information, and outputting a photovoltaic power generation short-term prediction value at a future moment. According to the method, the deep learning algorithm is adopted to deeply mine the output characteristics of the photovoltaic power generation and establish the prediction model, expensive meteorological measurement equipment and instruments are not needed, the cost is reduced, and the method has a wide application range.

The invention discloses a task-oriented spatial information network resource management method, for mainly solving the problem of a lower utilization rate of spatial information network resources due to time variation characteristics in the prior art. The implementation process is as follows: 1, initializing a network node, dividing a network planning period into multiple equilong time slots, and calculating a visible condition between each nodes in each time slot; 2, constructing a resource time variation diagram to represent network resources, and constructing a resource time variation conflict diagram to represent the conflict of the resources in the network; 3, solving an independent set of the resource time variation conflict diagram; 4, solving a non-conflict resource time variation diagram according to the independent set; and 5, solving multiple commodity stream problems in the non-conflict resource time variation diagram to obtain an optimal resource distribution scheme. By adopting the task-oriented spatial information network resource management method disclosed by the invention, the conflict of resource shortage and business development is relieved, the complexity of resource management in a spatial information network is reduced, and a technical support is provided for system research and resource management of the spatial information network, so that the task-oriented spatial information network resource management method can be applied to the distribution of spatial information network resources.

The invention provides a method for measuring volatility constituent in white wine and belongs to the field of analyzing the white wine flavor. The method of the invention qualitatively and quantitatively analyzes the volatility constituent in white wine by combining the stirring rod absorption extraction technique (SBSE) with gas chromatograph-mass spectrometer technique. The method of the invention can rapidly detect and accurately qualify and quantify the volatility constituent in the white wine. The stirring rod absorption extraction technique can be performed at a normal temperature without adding organic solvent, can prevent the new compound from generating in the analysis process and can efficiently gather the volatility component. The gas chromatograph-mass spectrometer technique can rapidly and accurately identify the volatility component. The accuracy of the method is promoted. The invention provides a base for further researching the forming principle of the micro constituent and has a significance to improve the quality of the white wine.

The invention belongs to the field of oil-gas-bearing system research and particularly provides a Re-Os isotope analysis method for oil and gas system organic matter research. The method includes the following steps of sample pretreatment, Re-Os separation, Re purification, Os purification and Re and Os isotope detection. A sample is high-evolution organic matter, preferably high-evolution organic-matter-rich sedimentary rock or high-evolution formation asphalt. The method is especially suitable for hydrocarbon source comparison and reservoir forming geochronology research under the organic matter high-evolution condition. According to the method, the high-evolution organic matter sample is fully dissolved, Re and Os elements are effectively separated and purified, accurate Re-Os isotope data of the high-evolution sample is acquired, the reservoir forming geochronology and hydrocarbon sources are determined based on the data, and a reference basis is provided for finding out the formation process of natural gas reservoirs or fossil oil reservoirs or other oil and gas systems and guiding exploration.

This invention relates to a method of preparing multicomponent bismuth molybdate catalysts composed of four metal components and a method of preparing 1,3-butadiene using the catalyst, and particularly, to multicomponent bismuth molybdate catalysts composed of a divalent cationic metal, a trivalent cationic metal, bismuth and molybdenum, a preparation method thereof, and a method of preparing 1,3-butadiene from a C4 mixture including n-butene and n-butane using oxidative dehydrogenation. According to this invention, it is possible to prepare catalysts having high activity for the preparation process of 1,3-butadiene only using four metal components as shown through systematic investigation of types and ratios of metal components, unlike conventional multicomponent metal oxide catalysts having a complicated composition of metal components.

The invention provides a testing apparatus used for simulating foundation pit three-dimensional seepage caused by combined effects of separating-lowering-pouring and ground deformation mechanism. The testing apparatus is used for solving a problem of lack of experiment equipment, which is used for simulating foundation pit three-dimensional seepage caused by combined effects of separating-lowering-pouring and ground deformation mechanism, and systematic researches on relating data and mechanism at present. The testing apparatus comprises a model casing, geotextile, permeable steel plates, underground diaphragm walls, a pumping well, a recharge well, measuring devices and data collecting devices. The model casing is divided into a water zone, a soil zone and a foundation pit zone; the measuring devices comprise a flowmeter, a stratum displacement meter, a water manometer, a contact electric displacement meter, a pore water pressure gauge, and the like, and is capable of realizing accurate measurement on flow displacement pressure; and the data collecting devices are connected with the measuring devices. The testing apparatus is capable of realizing researches on the mechanism of pumping depression cone and recharge lifting underground water level three-dimensional seepage effects, and the relationship between ground deformation and groundwater table fluctuation.

The invention discloses an enterprise informatization project implementation management system, which comprises a project coding module, a project training module, a feasibility analysis module, a demand analysis module, a project organization module, a meeting recording module, an implementation planning module, a business investigation module, a scheme designing module, a system research and development module, a data management module, a system switching module, a system evaluation module, a continuous improvement module, a contract management module, a procurement management module, a knowledge management module, a document management module, a project management and control module and a project experience module. The informatization project implementation management system provided bythe invention can realize project management and control, overall planning and intelligent decision-making, and can improve the service level.

The invention provides a fire simulation experiment device for slope adjustable tunnels under the action of longitudinal wind. The device can be used for simulating fire burning situations in tunnels having different slopes under the action of longitudinal ventilation, and researching the limited evolution law of fire plumes and ceiling jets in slope tunnels under the action of longitudinal ventilation. The device comprises an experiment table main body, a movable longitudinal ventilation system and a supporting measurement and control system, is designed according to a small-scale model proportion of 1: 5, and is a first experiment device special for comprehensive system researches on fire heat release rate, temperature distribution, limited fire plume form, ceiling jet feature parameter distribution and the like in tunnels having different slopes under the action of longitudinal ventilation. The device overcomes the limitations of high full-scale experiment cost and inaccurate numerical simulation tools based on previous researches, simultaneously ensures the repeatability and operability of experiments, and has important practical significance and broad application prospect for searching the influence of longitudinal ventilation of jet fans on tunnel fires under different slopes.

The invention discloses an Android purchase system based on geographical positional information. The system researches the development and implementation of purchase based on an Android operating system via a developed case of an Android purchase app, quickly gathers shops closest to the system according to online purchase platform shops near the system, and may select online payment. A consumer may feel convenient and quick online shopping experience with the system. The Android purchase system based on geographical positional information offers consumers abundant high-quality services, such as abundant goods information service, mobile access service at any time, diversified interactive experience, intelligent service, and intelligent mobile agent, greatly improves online shopping experience of the consumers, and gives an impetus to purchase and service to the direction of fineness and high quality.

The invention relates to a method for fast and high-efficient determination of 13 phenolic acids in grape wine, belonging to the technical field of analysis of flavor substances in the grape wine. According to the method disclosed by the invention, ultra-performance liquid chromatography is utilized for performing qualitative and quantitative analysis on phenolic acid substances in the grape wine, and the method specifically comprises the following steps: selecting a BEHC18 chromatographic column, taking 2% acetic acid water and methanol as a mobile phase, setting the flow rate at 0.3mL/min, performing ultraviolet detection on wavelength to get the result that the wavelength of gentisic acid is 320nm and the wavelength of the remainder is 280nm, setting the column temperature at 50 DEG C, setting the sample injection quantity at 1 mu L, and quantifying by a peak area external reference method; and by adopting the method, the detection and the analysis can be simultaneously performed on the 13 phenolic acids in the grape wine within 10min. According to the method disclosed by the invention, any sample pretreatment is not required, and the loss caused by the pretreatment can be avoided; and compared with traditional HPLC (high-performance liquid chromatography), by adopting the method disclosed by the invention, more phenolic acid type compounds can be simultaneously detected, the separation effect is good, the analysis process is greatly shortened, convenient and easy to operate, the detection efficiency is greatly improved and the cost of the mobile phase is saved. The method disclosed by the invention has important significance for further system research of the flavor substances in the grape wine and improvement of the quality of the grape wine.

This invention discloses a multi-level network management system and North approach interface dealing method in this system, including the adjacent upper and lower network management system which all includes the North approach interface unit used to communicate the information with the external network management system. This interface unit includes: sons management module, used to divide the interfaces in this multi-level network management system as the local north interface and the low level north interface; transmission management module, used to transmit the low level north interface to the north interface unit in the low level network management system. The described local network management north interface is the network level interface, and the lower network management north interface is the net element level interface. This invention addresses the problem of the inconsistencies in all the north interfaces in the upper and lower network management system in existing technology, and reduces the work of system researching and maintaining, so the user's actual need can be better satisfied.

The invention relates to the positional servo technology, especially to a position loop performance test method of a positional servo system and a test system thereof. The invention discloses a test method for a position loop performance index of a positional servo system and a test system thereof, so that a position loop performance index of a positional servo system can be effectively and rapidly tested; therefore, the test method and the test system are suitable for testing in positional servo system research and development of aviation, aerospace, and a high precision machine tool and the like and on-site testing. According to the position loop performance test method provided by the invention, a time domain test signal or a frequency domain test signal is input in a positional servo system; a response signal that is output by a position loop of positional servo system is collected; and the response signal is analyzed and calculated, so that a time domain performance index and a frequency domain performance index are obtained, wherein the time domain performance index and the frequency domain performance index can reflect performances of the position loop as well as can be concrete parameter indexes and/or wave curves.

The invention discloses a trace antibiotic efficient enrichment and separation method in a water environment. The adsorption performance of magnetic graphene on tetracycline antibiotics under different adsorption conditions is studied, and the change of the antibiotic concentration in solution before and after the adsorption is detected by an ultraviolet spectrophotometer, so that the corresponding adsorption rate of the antibiotics and the magnetic graphene adsorption capacity are calculated. The influence of different factors on the adsorption performance of the antibiotics is investigated; the optimum adsorption condition is obtained; the adsorption effect mechanism is analyzed; the adsorption kinetics and adsorption thermodynamics are discussed. According to the method, tetracycline hydrochloride TC is adopted as the research object, and the adsorption characteristics of MGO on the TC under different factors of the solution pH, temperature, dissolved organic matter (taking humic acid as an example) and the like are systemically studied, in particular to the adsorption kinetics and adsorption thermodynamics of the MGO on the TC.

The invention provides a device and method for measuring slippage among a gas phase, a liquid phase and a solid phase in a shaft annulus. The device is composed of an annulus shaft, an improved PIV system, a constant-current method device, a high-speed camera, a stirring pool, an impurity pump, an air compressor, a pressure sensor, a flow meter, a pipeline and a valve. The PIV system, the laser induction technology, the refraction index matching technology, the constant-current method and the high-speed camera recording technology are combined for the first time, and the slippage characteristics in flowing of the air phase, the liquid phase and the solid phase in the shaft annulus are systemically studied through transparent drilling fluid and transparent rock debris. According to the device and the method, the specific expressions of the laws and the slippage speeds of slipping modes when debris and gas flow in the gas phase, the liquid phase and the solid phase in the shaft annulus are obtained through tests for studying the stickness of different types of drilling fluid, drilling fluid flow, debris concentration and the section air voids factors, and effective technology support is provided for process design and well control safety of well drilling.

The invention discloses an optimization and simulation calculating method for a cooling system of an engine. The method comprises the steps of establishing a cooling system model according to relevant data of elements in the cooling system, and operating the cooling system model according to initial workflow to obtain an initial operation result; analyzing the initial operation result to obtain new workflow; conducting test design calculation to the new workflow, selecting relevant parameters of the elements, and obtaining a response surface model according to the relevant parameters, wherein the relevant parameters of the elements comprise input parameters and output parameters; obtaining an optimal output parameter according to an optimal algorithm and the response surface model; testing the cooling system model according to the optimal output parameter for obtaining an optimized scheme of the cooling system. The method is simple in operation procedures and easy to achieve, the calculation accuracy and efficiency of system research and development are improved, and meanwhile the performance and reliability of the cooling system are improved.