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288results about How to "Easy to analyze and process" patented technology

Seamless steel tube production process information tracking method

The invention discloses a seamless steel tube production process information tracking method, which carries out equipment electrical control partition and single branch pipe tracking partition on a production line; an added seamless steel tube production process information acquisition device is provided with a QAS device, an on-line steel tube jet printing machine, an on-line steel tube label making machine and an off-line steel tube number reading recognition machine; primary PLC of all the single equipment of the production and upper computers thereof are connected onto a server by Ethernet, and a database system is built; and the server visits the primary PLC in the single equipment of each area in an OPC manner by the Ethernet, and visits the upper computer of the single equipment of each area in a database manner. The invention solves the problem that the existing seamless steel tube production can only realize batch tracking, realizes the real-time track record of real running positions of each steel tube during the whole process from the on-line of the raw material tube blank to the off-line of the finished steel tube in the seamless steel tube production, the original setting information of each single equipment and the practical production information, and satisfies the practical requirements of users and manufactures on single steel tube production information tracking.
Owner:鞍钢集团工程技术有限公司

Star sensor installation error matrix and navigation system star-earth combined calibration and correction method

ActiveCN104792340AOvercome the defects of installation errorsHigh precisionMeasurement devicesNavigation systemErrors and residuals
The invention relates to a star sensor installation error matrix and navigation system star-earth combined calibration and correction method, and aims at solving the problem that a conventional star sensor calibration method cannot preferably complete the calibration of an installation error matrix of a star sensor and cannot calibrate and correct the star sensor installation error matrix and navigation system deviation at regular intervals. The method is realized according to the following steps: (1) acquiring information theta<t,m> and X<t,m>; (2) establishing an attitude information and orbital parameter information measurement model; (3) determining values shown in the specification; (4) calculating values shown in the specification; (5) solving an arithmetic mean value; (6) establishing a practical attitude installation matrix and orbital parameter information correction model of the star sensor; (7) determining the direction of delta theta; (8) correcting the (6); (9) determining the attitude and the orbital parameter information; and (10) rerunning every N attitudes. The star sensor installation error matrix and navigation system star-earth combined calibration and correction method is applied to the field of satellite attitude determination technology and satellite navigation technology.
Owner:HARBIN INST OF TECH

Method for generating track traffic route topological graph by directed graph method

The invention provides a method for generating a track traffic route topological graph by a directed graph method. According to the method, the directed graph method is adopted for carrying out topologization on the track traffic route map, the track traffic route topological graph is formed and comprises a series of nodes and directed edges; one node is arranged in any one position in the track crossing position, the track gathering position, the track direction changing position and the track end part position of the track traffic route map, the single definition is carried out on each node, in addition, different nodes can be separated, and the nodes are used for forming a top point set; each edge corresponds to a track between the two nodes, each edge is subjected to single definition, and in addition, different edges are enabled to be capable of being distinguished; the direction of each edge is defined, and all of the edges are used for forming an edge set. The method provided by the invention has the advantages that the analysis and the processing of the route information are simple and efficient, the correctness of the connecting relationship of each route can be ensured, and the safety is improved.
Owner:SHANGHAI FUXIN INTELLIGENT TRANSPORTATION SOLUTIONS

Server-power-on-state monitoring system and method and computer storage and equipment

The invention provides a server-power-on-state monitoring system and method and a computer storage and equipment. The server-power-on-state monitoring system comprises a CPLD part, a BMC part and a communication device, wherein the CPLD part is used for controlling server power-on-time-sequence starting and recording corresponding power-on-condition information to the storage; the BMC is used forobtaining the power-on-condition information and judging whether abnormal condition information exists in the power-on-condition information or not, and if the abnormal condition information exists inthe power-on-condition information, the abnormal condition information is recorded; the communication device is used for transmitting the abnormal condition information to a preset position. According to the server-power-on-state monitoring system, when the CPLD part controls a server to be powered on, the power-on-condition information recorded by the CPLD part in the storage can be monitored, whether the abnormal condition information exists in the power-on-condition information or not is judged, and the abnormal condition information is recorded and transferred to the preset position accordingly so that the record can be conveniently used at a later time; the server power-on working state is analyzed, and the server power-on abnormal condition can be simply and accurately detected at alow cost.
Owner:ZHENGZHOU YUNHAI INFORMATION TECH CO LTD

Distributed automatic test case generation method based on dynamic symbolic execution

The invention belongs to a distributed automatic test case generation method based on dynamic symbolic execution in the technical field of software test case automatic generation. The method comprises the following steps of: configuration of a test device, pre-processing of a program under test, extraction of a path constraint condition, and automatic generation of the test case. According to the invention, the program under test is separated from a test case automatic generation tool, and the program under test can run on a real platform in test, thus, the collected path constraint condition follows own semantics of the program, is accurate, and is helpful for analyzing complex data structures, thereby improving reliability and validity of test; moreover, multiple programs under test can be tested at the same time, and multiple parallel multi-path selection methods are provided. Therefore, the distributed automatic test case generation method based on dynamic symbolic execution has the characteristics of running the program under test on the real platform, having high reliability, being capable of performing multiple tests at the same time, effectively improving test reliability, test accuracy and test efficiency, having high utilization rate of test tools, and so on.
Owner:UNIV OF ELECTRONICS SCI & TECH OF CHINA

Bank system historical data cleaning method and device

The invention provides a bank system historical data cleaning method and device, used for cleaning historical data of a database data table. The bank system historical data cleaning method comprises the following steps: formulating a data cleaning rule according to the life cycle and association relationship of the data table of the database; screening data and key values of the data table to be cleaned according to the data cleaning rule, and determining the cleaned data index of the data table to be cleaned; cleaning the data of the data table of the database according to the data cleaning index, and writing the key values of the cleaned data into a backup index file; and generating a cleaning statistics report and recording the cleaned data in the file to save for a set time according to the backup index file, so as to support recovering the file from the file as needed. Through the bank system historical data method and device disclosed by the invention, the cleaning of the historical data can be realized, and efficient and safe operation of the production environment system can be ensured; therefore, the impact of the historical data cleaning process on normal business applications is avoided to the greatest extent, and the probability of affecting the normal applications in the normal production environment after the data cleaning is reduced.
Owner:BANK OF CHINA

Image acquisition method of inspection robot

The invention discloses an image acquisition method for an inspection robot, and the method comprises the steps: firstly the inspection robot extracting the position information of a target image in the visual field of a camera, and building a world coordinate system through employing the geometric center of the inspection robot as an original point, the forward direction of the inspection robot as an X-axis positive direction, and the vertical direction as a Z-axis positive direction; acquiring motion information of the inspection robot, and finally determining relative motion of the target image relative to the view center of the camera; and according to the offset between the target image center coordinate and the camera view center coordinate, adjusting the angle of the pan-tilt camerauntil the target image center coordinate coincides with the camera view center coordinate, performing target image acquisition and storage, and then the inspection robot continuing to carry out inspection operation. According to the image acquisition method provided by the invention, the inspection robot is ensured to perform image acquisition in the moving process without frequently starting andstopping to call the preset position for shooting, so that the inspection efficiency is improved.
Owner:ZHEJIANG UNIV

Non-contact temperature measurement device and temperature measurement method thereof

The invention discloses a non-contact temperature measurement device which comprises a controller, a driving circuit, a switching circuit, a resonance circuit, a temperature sensor and a signal detection circuit. Inductance and circuit internal resistance serve as resonant resistance of the temperature sensor, the resistance is small, and therefore the attenuation rate of temperature voltage signals is small during resonance, a plurality of periodic attenuation sinusoidal temperature voltage signals can be generated, and simultaneously device volume is correspondingly reduced. The invention further discloses a temperature measurement method of the non-contact temperature measurement device. The temperature measurement method is characterized in that a sampling signal differential equation is not needed to be solved due to the fact that discrete Fourier transformation is adopted as the basis, and computer analytical calculation is facilitated; and in frequency-domain analysis, the effective signal frequency and the useless interference signal frequency can be separated, frequency-domain analysis is visual in aspect of the physical meaning, signal interference can be reduced as far as possible, and further analysis and process are facilitated.
Owner:ZHEJIANG UNIV

Taxi appointment management method and taxi appointment management system

The invention discloses a taxi appointment management method and a taxi appointment management system. The method comprises the following steps: a management server determines a taxi in accordance with a taxi appointment request according to the taxi appointment request sent by a mobile terminal and a taxi appointment integrity value corresponding to the mobile terminal, and sends taxi appointment information to the taxi; after the taxi receives the taxi appointment information, the management server judges whether the geographical location information of the mobile terminal and the geographical location information of the taxi meet a preset time matching value and a preset frequency matching value in a preset time; and the taxi sends taxi appointment success information or taxi appointment failure information to the management server. By implementing the method and the system of the invention, taxi appointment service consistent with the integrity of passengers can be provided, the integrity of passengers is managed dynamically, and the taxi appointment experience of passengers is enhanced. On the other hand, the enthusiasm of drivers in participating in taxi appointment service is enhanced, and analytical processing of taxi appointment service data by a taxi operating agency is facilitated.
Owner:SHENZHEN SEG SCI NAVIGATIONS CO LTD

Data acquisition and transmission device, system and method for sewing machine

The invention provides a data acquisition and transmission device, system and method for a sewing machine. The data acquisition and transmission device comprises a data acquisition module, a wireless communication module, a control module and a storage module, wherein the data acquisition module is connected with the sewing machine and is used for collecting a working signal of the sewing machine and transmitting the working signal to the control module; the control module is used for obtaining working data of the sewing machine according to the received working signal of the sewing machine, transmitting the working data of the sewing machine through the wireless communication module and locally storing the working data into the storage module; the wireless communication module is used for achieving wireless data transmission between the control module and a remover server; and the storage module is used for storing the working data of the sewing machine. According to the data acquisition and transmission device, system and method for the sewing machine, the working data of the sewing machine can be acquired in real time and transmitted to the remote server, so that clothing enterprises can better analyze and process the working data of the sewing machine to improve the enterprise benefits.
Owner:JACK SEWING MASCH CO LTD

Vibration table ultra-low frequency sine sweep signal amplitude recognition method based on sampling in variable sampling rate

ActiveCN106768757ASolve the problem of low accuracy of amplitude recognitionEasy to analyze and processVibration testingAnti-aliasingVibration control
The invention provides a vibration table ultra-low frequency sine sweep signal amplitude recognition method based on sampling in a variable sampling rate. Firstly, vibration table vibration signals, those are, vibration table sweep signals are acquired and obtained through a vibration sensor arranged on the vibration table; then, the acquired vibration table sweep signals are subjected to anti-aliasing filtering through a low-pass filter to filter the high-frequency part; vibration table sweep signals at equal phase intervals are obtained through a variable sampling rate sampling method; and finally, a least square fitting amplitude recognition method is adopted to realize sweep signal amplitude recognition. The variable sampling rate sampling method is adopted to change time-varying sine sweep signals to standard sine signals, and the signals can be analyzed and processed conveniently; due to the least square fitting, the non-full period signal amplitude can be obtained; the real-time performance requirements of vibration control can be ensured; and due to the combination of the two, the problems of time varying and the non full period existing in ultra-low frequency sine sweep signal amplitude recognition are solved.
Owner:NAT UNIV OF DEFENSE TECH

Laser-assisted atomization micro-arc oxidation device

The invention discloses a laser-assisted atomization micro-arc oxidation device which comprises a dual-pulse power supply, a main control computer, a workpiece, a circulation pump, an electrolytic cell, an atomization device, a cathode module and a numerical control machine tool moving spindle. For the device, by performing laser-assisted atomization, the concentration of an electrolyte jetted byan atomization head under the circulation effect of the atomization device and distribution of conductive ions in a solution are uniform, the problem of solution fluctuation brought by a stirring device is solved so as to solve the problem that potential is lacked self in the existing micro-arc oxidation method, a generated electric field environment is uniformly distributed, and the uniformity ofprocessing the surface of the workpiece is improved. Meanwhile, laser light of a pulse laser in a cathode sleeve illuminates the workpiece laterally, metal ions on the surface of the workpiece acquires energy, an auxiliary electrode activates the metal activity of the surface of the workpiece, and the cathode module exerts the auxiliary heating effect to the workpiece, so that the limitation of the workpiece in a large size to a power of a power supply is solved.
Owner:YANTAI UNIV

Harmful organism information management system

InactiveCN108108905AConcise and readableEasy to useResourcesBackground informationData processing
The invention discloses a harmful organism information management system. An Android client includes a site location management module, an area management module and a terminal report module, whereinthe site location management module is used for creating, managing, and deleting sites, the area management module is used for performing area information management, and the terminal report module isused for putting various data into statistics; and a dynamic site location database used for storing site location two-dimensional codes and poison bait delivery conditions is arranged in the site location management module. A site management system includes an APP interface for exchanging internet data with the Android client, a map search engine storing a map database, and a background management interface connected with a PC terminal; and the data exchange port of the background management interface is connected with a background information management module for processing the various data, and a background statistics module for comprehensive data processing. With the harmful organism information management system of the invention adopted, the dynamic planning and management of poisonbait sites are realized; all information data of the sites can be recorded in real time; the distribution of the sites can be adjusted in time, so that an early warning plan can be formulated; and disinfection and killing capacity can be greatly improved.
Owner:四川省爱民灭鼠除虫卫生防病有限公司

Online virtual shoe trying method

InactiveCN108961015AFit closelyImprove the online shopping experienceBuying/selling/leasing transactionsImage generationSOCKSComputer science
The invention discloses an online virtual shoe trying method. The method includes the following steps that: S002, the foot image of a user in a case where the user wears space-marking socks is acquired, and the foot image is uploaded to a remote data processor through a user terminal; S004, a sales terminal compares the user's foot image with a preset three-dimensional foot model and then generates a user's foot three-dimensional model; S006, the sales terminal acquires the user's foot size from the user's foot three-dimensional model, and matches the feet of the user with an appropriate shoesize; S008, the sales terminal selects a pre-stored three-dimensional shoe model according to the shoe size, projects the pre-stored three-dimensional shoe model onto the user's foot three-dimensionalmodel and generates a three-dimensional shoe trying model; and S010, the sales terminal sends the image of the three-dimensional shoe trying model to a server, and the server sends the image of the three-dimensional shoe trying model and the shoe size to the user terminal. With the online virtual shoe trying method of the invention adopted, a consumer can virtually try shoes online through a virtual reality technology before buying the shoes, and therefore, the fitting rate of the online shoe buying of the consumer can be improved, and the return rate of the shoes can be decreased.
Owner:朱培恒
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