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757results about How to "Improve normative" patented technology

Transport network topological structure safety analytical method and implementation system

InactiveCN101588518AStrengthen data standardization and accuracy managementSpeed ​​up fault location and repair efficiencyMultiplex system selection arrangementsData switching by path configurationOptical pathRoute analytics
The invention discloses a transport network topological structure safety analytical method. The method comprises the steps of firstly, using a node, an apparatus, a circuit, an optical cable, an optical path, a sub-circuit and a sub-optical cable to describe the topological structure of the transport network; then using a graph theory model to express the topological structure of the transport network; and finally using a graph theory to perform structure safety analysis including structure index analysis, optical path route analysis, component failure analysis and/or standby route analysis on the topological structure. The invention also discloses a system for realizing the method. The system is capable of storing, calling and displaying the original data, generated intermediate data and the result data in the analytical processes of the method in real time. The invention can also enhance data normality and accuracy managements, quicken fault location and maintenance efficiency, enhance network risk identification and control, and vividly display network multimedia information so as to improve the accuracy extent and working efficiency of safety management of the transport network topological structure.
Owner:CHINA MOBILE GRP GUANGDONG CO LTD +1

Unmanned aerial vehicle hovering precision measurement method based on binocular vision

ActiveCN105424006AAutomatically calculate hover precisionImprove accuracyPicture interpretationOptical axisUncrewed vehicle
The invention discloses an unmanned aerial vehicle hovering precision measurement method based on binocular vision. The method comprises the following steps that in a calibrating stage, a camera is calibrated through a Zhang zhengyou chessboard calibration method to determine a calibration parameter to definite a calibration result parameter; in a positioning stage, when unmanned aerial vehicle hovering precision measurement is performed, a sliding rail is placed under an unmanned aerial vehicle hovering point, the binocular camera is fixed on the sliding rail in parallel according to a set distance and can move in the direction of the sliding rail, camera lenses are vertically and upwards placed, the two camera imaging planes are located at the same plane, and the optical axes of the camera imaging planes are parallel to each other; a left-eye camera body and a right-eye camera body collect unmanned aerial vehicle images and transmit the images to a computer; the computer calculates the three-dimensional position coordinates of an unmanned aerial vehicle according to the left-eye images, the right-eye images and the calibration result parameter; after hovering is finished, the hovering precision is calculated according to the three-dimensional track of the unmanned aerial vehicle. The method has the advantages that target detecting, tracking, precise matching and three-dimensional positioning of the unmanned aerial vehicle are achieved.
Owner:STATE GRID INTELLIGENCE TECH CO LTD

Management system and method of intelligent livestock breeding

The invention discloses a management system and method of intelligent livestock breeding. An intelligent fodder feeding module in the system is used for detecting real-time edible condition of materials of livestock in real time and supplying fodders of predicted fodder put volume according to livestock individual growth data, the number of feeders is reduced, the breeding cost is controlled, thescientific nature, standardization and degree of automation of the livestock breeding are improved; an intelligent environment control module collects environmental parameters in a breeding environment, and the livestock breeding environmental parameters are adjusted in the most suitable growth range; a disease monitoring module monitors the disease condition of the livestock to reduce the epidemic situation infection probability of the livestock; a growing prediction module predicts the growth tendency and best slaughter time of the livestock according to the individual growth data; a qualitytraceability module records, stores and inquires the breeding information in the livestock breeding process; and the intelligent management of the livestock breeding is realized together, and the purposes that the number of the feeders is reduced, the breeding period is shortened, the breeding cost is controlled and the livestock breeding is scientific and standard are achieved.
Owner:AGRI INFORMATION INST OF CAS

Method for optimizing medium and long term trans-regional trans-provincial deals and assessing modes of medium and long term trans-regional trans-provincial deals

The invention relates to a method for optimizing medium and long term trans-regional trans-provincial deals and assessing the modes of the medium and long term trans-regional trans-provincial deals. The method for optimizing the medium and long term trans-regional trans-provincial deals and assessing the modes of the medium and long term trans-regional trans-provincial deals is characterized by comprising the steps of (1) building a network model, (2) setting an optimization scene according to the different modes, (3) setting optimization parameters, (4) building an optimization model, (5) carrying out optimization calculation, and (6) carrying out comparison, analysis and assessment. The method studies and tries the optimization and assessment of the medium and long term trans-regional trans-provincial deals under the actual power grid operation data, finds out a deal strategy with the priority of economical benefits or comprehensive benefits as a target based on simplification of a power grid model, and carries out optimization and assessment of the medium and long term trans-regional trans-provincial deals, thereby bringing certain guide significances on improving the economy, safety and standardability of a deal scheme. The method can relieve the power shortage situation through trans-regional trans-provincial deals when the power structures in electric energy areas are different, realizes optimized distribution of electricity in a larger range, compensates the shortage through the surplus among the areas, and effectively relieves the imbalance between supply and demand in the areas short of power supply.
Owner:STATE GRID CORP OF CHINA +1

Human motion evaluation method based on two-dimensional skeleton sequences

Provided is a human motion evaluation method based on two-dimensional skeleton sequences. The method includes the steps that an RGB image containing a human body is acquired through a camera, and a two-dimensional human skeleton is extracted, wherein the human skeleton has several joint points; the initial pose of the human skeleton is corrected; four features including joint point coordinates, key part angles, joint point velocity and fluctuation errors of the joint point velocity are extracted to form a feature matrix, and a corresponding frame difference degree calculation model is constructed; matrix coordinate systems of a testing skeleton sequence and a standard skeleton sequence are established, front and rear segments of the two sequences are searched to obtain matching path starting and ending points, global bidirectional parallel searching is conducted with the matching path starting and ending points as reference points until optimal path matching of the testing skeleton sequence and the standard skeleton sequence is completed, and the accumulative difference value of the two sequences is obtained to realize human motion evaluation. According to the method, the low-costRGB camera is adopted to conduct accurate evaluation and trend analysis on the human motion, and the method has high application value in motion training and guidance of sports, martial arts, dances and the like.
Owner:INST OF INTELLIGENT MFG GUANGDONG ACAD OF SCI

Universal calibration method for transmission path delay errors of parallel ADC sampling system

The invention provides a universal calibration method for transmission path delay errors of a parallel ADC sampling system, and aims to provide a universal method capable of adapting to sampling frequency changes and correcting multichannel data input delay. According to the technical scheme, a clock and a signal are configured into multi-channel output through an AD chip integrated with M channels, and an AD is connected with an FPGA through a serial peripheral interface to form a high-speed variable sampling rate system. The AD performs multi-channel parallel sampling on high-speed signals to realize first-stage speed reduction, and the FPGA performs serial-parallel conversion by adopting serial-parallel conversion primitives or serial-parallel conversion IP cores to realize second-stagespeed reduction. After the FPGA configures an AD to send a test sequence, a calibration instruction and a state machine are started, a time delay parameter calibration algorithm is operated, time delay parameters are dynamically placed into an FPGA input time delay control primitive, all data lines in channels and among the channels are aligned, the AD exits from the test sequence to output actual signals, and system input time delay calibration is completed.
Owner:10TH RES INST OF CETC

An electric power marketing knowledge base system based on an intelligent retrieval technology

The invention discloses an electric power marketing knowledge base system based on an intelligent retrieval technology. The electric power marketing knowledge base system is based on a B/S structure as a whole structure and comprises a storage layer, which realizes the classification and storage of knowledge according to standards, and simultaneously comprises a backup storage of the knowledge base; a service layer used to connect storage layer and application layer, including data and data exchange, data quality and other functions and services; an application layer, which is used for displaying the system operation interface and providing relevant application functions for users. The system uses the distributed search engine technology Elasticsearch to realize the real-time retrieval ofbig data. This system puts the application layer on the Web side and the storage layer on the server side; on the basis of convenient operation, effective knowledge wealth summary of massive documentscan be carried out, an orderly document classification system is formed and users can perform convenient document management operation by using the system. The system adopts Elasticsearch to realizereal-time retrieval, and realizes the functions of extremely fast file dynamics, multi-platform file interconnection, intelligent full-text retrieval, customization of personalized rules, class windowoperation and so on.
Owner:ELECTRIC POWER RESEARCH INSTITUTE OF STATE GRID SHANDONG ELECTRIC POWER COMPANY +1

Park vehicle anti-theft system, park vehicle management method and park vehicle control method

The invention discloses a park vehicle anti-theft system comprising a system server, a park unit, a QR (quick response) code device, a reader and a barrier unit. The system server exchanges data with the park unit and stores vehicle information. The park unit comprises recognizing devices disposed at an entry of and an exit of a park; the recognizing devices are used for recognizing the vehicle information and outputting the same to the system server. The QR code device is disposed at the entry of the park, acquires information of a currently entering vehicle from the system server and outputs a QR code certificate; the reader disposed at the exit of the park is used for reading the QR code certificate and outputting the read information of the QR code certificate to the system server; the barrier unit disposed at the exit is configured to receive an opening signal of the system server to let go of the vehicle; the system server generates the opening signal to the barrier unit according to the stored vehicle entering information and the received QR code information. The park vehicle anti-theft system has the advantages that accessing the park is finished through the QR code certificate, parking safety is guaranteed and vehicle theft is effectively prevented.
Owner:SHENZHEN EPARKING TECH

Traffic accident site rapid mapping system based on image guiding

A traffic accident site rapid mapping system based on image guiding comprises a homography matrix solution module, a space coordinate transformation module, a re-sampling module, a mapping and marking module and a file preserving and printing module. The homography matrix solution module builds a mapping relationship between a traffic accident site picture image plane and an actual road plane according to the two-dimensional direct linear transformation method, the space coordinate transformation module restores the position information of a traffic site picture in object space according to the homography matrix and scales the range of the traffic accident site to the size range of the original traffic accident site picture, the re-sampling module restores gray information of the traffic accident site picture in object space and achieves transformation from a perspective picture to an orthographic projection picture of the traffic accident site picture, the mapping and marking module achieves direct mapping and relevant size marking of the traffic accident site information on the orthographic projection picture, and the file preserving and printing module achieves functions of preservation and site printout of the traffic accident site picture. By means of the traffic accident site rapid mapping system, the accuracy of traffic accident site survey is improved, the on-site data processing and mapping time is saved, and the requirement of site picture printout on the traffic accident site is further satisfied.
Owner:SHANGHAI JIAO TONG UNIV SUBEI RES INST

Automatic test system and method for transformer substation measurement and control device

The invention provides an automatic test system and method for a transformer substation measurement and control device. The system comprises a test background server, an exchanger, a network tester, an intelligent tester, a three-phase standard meter, a controllable power source and a GPS clock module. The data exchanging is respectively carried out between the network tester and the test background server, between the intelligent tester and the test background server, between the three-phase standard meter and the test background server and between the controllable power source and the test background server through the exchanger, the test background server is in communication with the measurement and control device through the network protocol, the controllable power source is controlled to supply electricity to the measurement and control device, and time synchronism between the test background server and the measurement and control device is achieved through a GPS clock module. According to the automatic test system and method for the transformer substation measurement and control device, a test task can be automatically generated, detection steps can be automatically executed, detection reports can be automatically generated, the interference of artificial factors is reduced, the test randomness is removed, testing efficiency and testing reliability are improved, testing repeatability is achieved, the traceability of testing work is guaranteed, and the reliability and consistency of the test result are guaranteed.
Owner:STATE GRID CORP OF CHINA +1

BIM-based informatization quality management method and system

The invention discloses a BIM-based informatization quality management method and system, and belongs to the field of quality management platforms. In order to solve the problems that in the prior art, a quality management platform does not combine construction quality and construction progress for construction so as to cause poor quality management linkage, insufficient quantification of a construction process and the like, the invention provides a BIM-based informatization quality management method and system, a BIM model is used as an informatization carrier, and the quality management system is combined with an inspection batch template library to decompose a project into inspection entries; the quality management system is combined with a process construction method library, and process construction methods correspond to the inspection entries; checking and accepting inspection entries according to procedures during quality management; according to the method, the acceptance project and the process method are combined, the acceptance process is decomposed, project acceptance is carried out by taking the process acceptance process as a main line, meanwhile, the construction quality and the construction progress are associated and managed, project visual management and data carriers are realized by using the BIM, and refined management is realized.
Owner:CHINA TIESIJU CIVIL ENG GRP CO LTD
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