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335results about How to "Systematic" patented technology

Testing system for gas explosion characteristic size effect

The invention discloses a testing system for a gas explosion characteristic size effect and relates to a testing system which studies on the gas explosion characteristic size effect. The device comprises a gas distribution device, an ignition device, an explosion device, a data collecting and processing device and a high-speed digital camera, wherein the gas distribution device comprises a combustible gas source, a distribution gas source and a gas distribution tank; the ignition device comprises a igniter, and the igniter is installed on the explosion device; the data collecting and processing device comprises a pressure sensor, a flame propagation rate sensor, a temperature sensor, a signal amplification circuit, a data collecting circuit and a computer, and the pressure sensor, the flame propagation rate sensor and the temperature sensor are installed on a spherical container, a cylindrical container and a pipeline; the explosion device is installed between the gas distribution device and the data collecting and processing device, and the explosion device comprises the spherical container, the cylindrical container and the pipeline; and the high-speed digital camera is used for shooting flames during explosion of the combustible gas inside the containers and the pipeline, and an output end of the high-speed digital camera is connected with the computer.
Owner:NANJING UNIV OF TECH

Flying robot control system semi-physical simulation platform

The invention relates to a flying robot control system semi-physical simulation platform which comprises a flying robot flight posture display/visual scene display computer, a flying robot dynamic model simulation computer, a flying robot airborne control system, a radio remote controller and a flying robot ground monitoring computer. The flying robot control system semi-physical simulation platform can simultaneously on-line debug a software system, a hardware system and a control algorithm of a flying robot and draws near an actual working condition of the flying robot to the maximum degree. A simulation experiment can directly verify the correctness of control signals through an executing steering gear of the flying robot airborne control system. The flying robot flight posture display/visual scene display computer can assist in verifying the actual working condition of the flying robot and the correctness of the control signals. The flying robot control system semi-physical simulation platform has stronger generality, stronger systematicness, stronger operability and stronger displaying performance and can be conveniently used in semi-physical simulation experiments of various flying robots. Repeated design of the flying robot control system is avoided, and test work of new function extension of the flying robot control system is greatly simplified.
Owner:SHENYANG INST OF AUTOMATION - CHINESE ACAD OF SCI

Intelligent active image acquisition and update system and method

InactiveCN104994355AAcquisition cost is stable and controllableSystematicTelevision system detailsTransmission systemsData acquisitionComputer vision
The invention discloses an intelligent active image acquisition and update system and method and belongs to the technical field of image information. The system comprises an image update subsystem and an image data acquisition control subsystem. The image update subsystem sends a data updating requirement of a preset area to the image data acquisition control subsystem, wherein the preset area comprises geographic information, data updating time and update frequency of the area; and the image data acquisition control subsystem assigns an image acquisition task to an appropriate unmanned aerial vehicle according to preset rules and receives the fed-back telemeasuring data. The problem of wide-range image information data acquisition is solved through aerial photography of the small-size unmanned aerial vehicles under systematic control; through the photography of the unmanned aerial vehicles, acquisition cost is stable and controllable; meanwhile, through the design of route planning and update frequency, multiple unmanned aerial vehicles are allowed to carry out image acquisition simultaneously; the image acquisition process is high in systematization and high in intelligent degree; and image information acquisition and update range and efficiency are effectively managed.
Owner:高域(北京)智能科技研究院有限公司

Source code change influence analyzing and testing method for software units and components with combination of phase

The invention discloses a source code change influence analyzing and testing method for software units and components with combination of phase. The analysis and test on unit grade source code change influence comprise the following steps of: constructing a program unit flow graph; establishing a linear independent test route set; checking a node of a modified code in the flow graph and determining the node as a change point; using a route selector to select a route containing the change point from the linear independent test route set so as to form a influenced route set; executing the route in the influenced route set; and comparing the execution result with expected results. The analysis and test on component grade source code change influence comprise the following steps of: establishing a program scheduling graph, wherein the scheduling graph uses a scheduling structure of nodes and boundary description programs; establishing a linear independent test sub-tree set; confirming a unit at which the modified code is located and taking the unit as the change point; using a sub-tree selector to select a sub-tree from the linear independent test sub-tree set which contains the change point so as to form an influenced sub-tree set; executing the sub-tree in the influenced sub-tree set; and comparing the execution result with expected results.
Owner:JIANGNAN INST OF COMPUTING TECH

Method and system for implementing configuration on basis of network services

ActiveCN103634177AEfficient self-configuring configurationRapid self-configuration configurationNetworks interconnectionService flowStructure of Management Information
The invention discloses a method and a system for implementing configuration on the basis of network services. The method and the system have the advantages that network service configuration databases are created for users, topological structures, identification of service flows, identification of network devices for carrying the service flows and configuration information of physical ports, VLAN (virtual local area network) selection and the like can be selected from the databases for network topological contents and specific service contents on the basis of network service requirements, accordingly, service types, source MAC (media access control) addresses and target MAC addresses can be identified according to ports for the network devices for carrying the service flows, network topology can be creased on the basis of the identification of the service flows and the configuration information of the ports in the network service configuration databases, the same services can be transmitted in selected VLANs, and the configuration can be implemented; the configuration information can be issued to the various network devices, so that the complexity and the troublesome degree of the network configuration can be lowered, the specific services can be transmitted among the configured networks in an identifiable manner, and network configuration lists are high in reliability.
Owner:KYLAND TECH CO LTD

Analyzing and compensating system for optical mirror face few-axle grinding inclining cambered face grinding wheel errors

The invention discloses an analyzing and compensating system for optical mirror face few-axle grinding inclining cambered face grinding wheel errors. The analyzing and compensating system comprises a few-axle grinding inclining cambered face grinding wheel error source determining module, a few-axle grinding machine tool structure and grinding mode selecting module, a grinding wheel ideal movement envelope surface constructing module, a grinding wheel coordinate system, diameter and cutting radius determining module, a tool setting operation horizontal movement amount determining module, an inclining cambered face grinding wheel composition error model constructing module, a mirror face error detecting and processing module, a cambered face grinding wheel error component separating module, an inclining cambered face grinding wheel error compensating module and the like. Compare with the prior art, the error analyzing and compensating system can predict, separate and compensate face errors caused by the large complex optical mirror face few-axle grinding inclining cambered face grinding wheel errors under the combination of various machine tool structures and grinding modes, and is systemic, integral and visual. The analyzing and compensating system can be used for compensating the errors caused in the machining process of any curved face and any caliber mirror face after one-time detection, and has the advantages of being simple and efficient.
Owner:SHANGHAI JIAO TONG UNIV

Method for selecting crop varieties with low heavy metal accumulation

The invention relates to a safe crop production technique in the polluted environment, in particular to a method for selecting crop varieties with low heavy metal accumulation. A crop is cultured in heavy metal-processed soil by way of pot experiment, the temperature is 5 DEG C to 40 DEG C, the soil moisture content is 40 percent to 90 percent of the field moisture capacity, the crop is cultured under the natural light for 50 to 170 days, plants are harvested, and the heavy metal content of edible parts is measured; the selected crop seeds, the edible parts of which have the heavy metal content lower than 30 percent of the heavy metal content of the edible parts of the conventional crop variety, are directly dibbled in the polluted field soil, three to six seeds are planted in each hole, the distance between holes is 10cm to 60cm, the distance between ridges is 10cm to 60cm, ripened plants are harvested, the heavy metal content of edible parts is measured, and if both the heavy metal enrichment coefficient and heavy metal transfer coefficient of the crop are less than 1.0, the crop is a crop with low heavy metal accumulation. The invention has the advantages of economy, high economic safety, high applicability and simple use method.
Owner:SHENYANG INST OF APPLIED ECOLOGY - CHINESE ACAD OF SCI

A hierarchical index-based active power distribution network evaluation method containing distributed energy

InactiveCN109670720AGood scalability and operabilityImprove convenienceResourcesThree levelIndex system
The invention discloses a hierarchical index-based active power distribution network evaluation method containing distributed energy. The method comprises the following steps of S1, setting a three-level active power distribution network evaluation index system; S2, determining sub-index items correspondingly contained in each level of evaluation indexes; S3, calculating a score of a third-level basic index item by adopting a percentage system fuzzy membership evaluation function; S4, determining the weight of each level of index item corresponding to a superior index by adopting a Delphi method; S5, carrying out weighted scoring, calculating the index scores of all levels step by step, and finally obtaining an area comprehensive evaluation score; and S6, repeating the above steps to obtain comprehensive evaluation scores of the analysis area under different distributed energy access schemes, and comparing and optimally determining an optimal access scheme. According to the method, theinfluence of distributed energy access on the active power distribution network is comprehensively considered, a multi-target multi-level comprehensive evaluation system is established in consideration of time-space difference, a distributed energy access scheme is optimized, the operation condition of the power distribution network is improved, and the new energy consumption level is improved.
Owner:ECONOMIC TECH RES INST OF STATE GRID HENAN ELECTRIC POWER +1

Battery performance evaluation method based on analytical hierarchy process

The invention provides a battery performance evaluation method based on an analytical hierarchy process. The method comprises the following steps: constructing a hierarchical structure model; constructing a judgment matrix; checking consistency of the judgment matrix, wherein random consistency ratio of a consistency index is hierarchically and singly ranked, i.e., calculating a maximum characteristic and its characteristic vector for the judgment matrix; hierarchically and globally ranking, i.e., calculating a relative importance or a relative superiority-inferiority of the lowest layer of factors with respect to the highest layer (the global object); making decisions, ranking candidate schemes by calculating weighed rank value of the relative superiority-inferiority of each scheme of the lowest layer with respect to the highest global object. By constructing a hierarchical model and then combining the mathematic process with human experience as well as subjective judgments, the technical scheme of the battery performance evaluation method can effectively analyzes non-sequential relationships among hierarchies of the object criterion system, effectively and comprehensively estimate and compare the judgments of the decision maker.
Owner:北京亿利智慧能源科技有限公司

Petroleum spatial distribution quantitative evaluation chart generation method under reservoir configuration constraint

The invention provides a petroleum spatial distribution quantitative evaluation chart generation method under reservoir configuration constraint. The method comprises the steps: collecting different types of hydrocarbon source rock samples sequentially according to thermal evolution degree, abundance of organic matter, lithology and organic matter type; carrying out the thermal simulation experiment of the collected samples, quantifying discharged oil and retention oil at each temperature point, employing the organic carbon analysis of residue, Rock-Eval detection, and vitrinite reflectance analysis; drawing an oil discharge rate chart of different types of hydrocarbon source rocks; selecting geological sections of different basins as actual geological samples; densely collecting the hydrocarbon source rocks and storage layer rock core samples and carrying out organic carbon analysis, Rock-Eval detection, vitrinite reflectance analysis and chloroform bitumen quantitative analysis on actual geological sections; drawing an oil discharge rate parameter curve of an actual geological sample; and obtaining the petroleum spatial distribution quantitative evaluation chart generation method under reservoir configuration constraint according to the oil discharge rate charts of different types of hydrocarbon source rocks and the oil discharge rate parameter curve of the actual geological sample.
Owner:PETROCHINA CO LTD

Detection test system for energy storage power station grid connection

ActiveCN103576025ARealization of detection testSystematicElectrical testingPower qualityControl layer
The invention relates to a detection test system for energy storage power station grid connection. The detection test system comprises an equipment layer and a centralized control layer. The equipment layer comprises an electric energy quality on-line monitoring device, an on-site measuring and controlling device, a relay protection tester and a communication manager. The electric energy quality on-line monitoring device is connected with a communication processor of the centralized control layer through a communication network. The on-site measuring and controlling device and the relay protection tester are connected with the communication manager through a field bus, so that the detection test result is converted into a corresponding data format through the communication manager. The communication manager is connected with the communication processor of the centralized control layer through the communication network and uploads the detection test result to a computer of the centralized control layer. The centralized control layer comprises the communication processor and the computer connected with the communication processor, the computer is used for controlling the detection test process, carrying out data analysis and processing on the detection test result uploaded by the equipment layer and generating a graphic report. The system can carry out a detection test on the grid connection index of an energy storage power station, and is simple in structure, complete in function and good in use effect.
Owner:STATE GRID CORP OF CHINA +2
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