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49results about How to "Realize automatic display" patented technology

Power line type field bus belt conveyor running speed monitoring system

The invention discloses a power line type field bus belt conveyor running speed monitoring system, which comprises a power supply system, a main programmable logic controller (PLC) control system, a plurality of running speed detecting and processing devices for detecting and processing the running speeds of a plurality of belt conveyors, and a remote control signal transmission system for transmitting a running speed signal detected by each running speed detecting and processing device to the main PLC control system, wherein the remote control signal transmission system comprises a main control device, a sub-control device and a cable; the main PLC control system is connected with the main control device in a communication mode or a hardwired mode; and the main control device is connected with each running speed detecting and processing device through the sub-control device and the cable. The system is low in equipment investment and operating cost, easy and convenient to install and maintain and stable in signal transmission performance, and can solve the problems of complex wiring, long cable distance, high construction difficulty and the like of the conventional belt conveyor running speed monitoring system in a thermal power plant.
Owner:XIAN BOHENG INTELLIGENT TECH

File monitoring system in Linux environment

The present invention is applicable to the technical field of a computer and provides a file monitoring system in a Linux environment. The system is characterized by comprising a file driver, a message processing thread, a warning message display thread and a file security warning strategy, wherein particularly, the file driver is used for monitoring an operation of a file and transmitting monitored operation contents and corresponding operated file relative information to the message processing thread; the message processing thread, according to the file relative information and the file security warning strategy, determines that the security warning needs to be provided for the file, searching is carried out in a current file opening record, and if the relative information of the file is not found, registration of the file relative information and corresponding warning contents is completed in the current file opening record; and the warning message display thread monitors current activity file information periodically and when the current activity file information is changed, searching is carried out in the current file opening record and a warning window with warning information is constructed for the file according to the file warning contents recorded in the current file opening record.
Owner:武汉华工安鼎信息技术有限责任公司

Punching abrasion testing device based on control energy

The invention discloses a punching abrasion testing device based on control energy, and makes up the deficiencies of multiple existing frictional wear testing devices and research methods. The punching abrasion testing device based on control energy mainly comprises a rack, a tangential linear motor, a test specimen fixture, an impact linear motor, an accurate magnetic grid sensor, an impact block, an electric sucking disk, a silicon steel sheet, a pressure sensor and a grating sensor, wherein the accurate magnetic grid sensor is used for feeding back the motion of the linear motor in real time; the electric sucking disk and the silicon steel sheet are used for controlling the impact block to move; the pressure sensor is used for collecting impact force and tangential force; and the grating sensor is used for collecting the motion of the impact block and the tangential motion of the test specimen. By use of the device, through design that a method of speed and quality control is adopted to control the energy of the impact block, impact and tangential compound abrasion is realized by a punching coupling motion way, and the defect that an existing tester researches a punching abrasion process only from the perspective of force is effectively overcome.
Owner:SOUTHWEST JIAOTONG UNIV

Method and system for controlling changing of software project test requirements

The invention discloses a method and system for controlling the changing of software project test requirements. By the method, requirement IDs (identifiers) of the software project test requirements before and after the changing are compared one by one, and then requirement descriptions and requirement names of the software project test requirements before and after the changing are compared one by one to identify functions of changed requirement names, so that a tester can comprehensively control the whole test process and know fairly well, test coverage can be widened and test efficiency can be improved. The system associates the software project test requirements in form of Microsoft Office Excel file before and after the changing by an association module, identifies each field of the software project test requirements and the requirement IDs of the software project test requirements before and after the changing by a requirement ID identification module, and automatically displays the functions of the changed requirement names to the tester by a requirement description comparison module, a requirement name extraction module and a display module. The test work of the tester is simplified, and simultaneously, the tester can comprehensively and accurately control the changing of the software project test requirements.
Owner:刘成

Public security big data early warning method

The invention relates to a public security big data early warning method. The method comprises steps of obtaining a training data set of any public security area, extracting characteristic values, preprocessing the characteristic values, inputting the preprocessed characteristic values into the algorithm model until the characteristic values are stable, obtaining interface data of the current public security area in real time, carrying out the same operation of extracting the characteristic values and preprocessing, inputting the stable algorithm model, automatically judging output scores, andselecting to give an alarm or returning to continue monitoring. According to the method, services are guided through core data, a data architecture after accurate checking is solidified through a model, and the regional public security condition is analyzed more scientifically, effectively and accurately; high-risk key personnel are mainly considered; high-risk key personnel can hide key places,areas and parts easily; according to the method, scientific calculation and scoring are carried out, automatic display of regional public security conditions, automatic early warning of complex publicsecurity regions and automatic generation of regional renovation schemes are realized, effective measures can be taken according to analysis results of an algorithm model, key prevention and controlare carried out on high-risk key personnel, and the regional public security conditions are practically and effectively improved.
Owner:浙江图灵软件技术有限公司

Information display method, device suitable for vehicle, electronic equipment and storage medium

The invention relates to an information display method and a device suitable for a vehicle, electronic equipment and a storage medium. The method comprises the steps of acquiring the to-be-displayed information within a preset range from the vehicle and categories corresponding to the to-be-displayed information; obtaining graphic features of a preset icon; determining an initial point position corresponding to each category in a preset icon based on the graphic feature; forming a background image of the preset icon based on the initial point position corresponding to each category in the preset icon; wherein the background image comprises a plurality of rendering areas, each rendering area only corresponds to one category, and different rendering areas correspond to different categories;wherein the initial point corresponding to each category is located in the rendering area corresponding to the category, wherein the filling colors of different rendering areas are different; whereinthe larger the number of the to-be-displayed information in the same category is, the larger the area of the rendering region corresponding to the category is. According to the technical scheme, automatic information display can be achieved, and a user can know the situation near the current position only by observing the background image of the preset icon.
Owner:BEIJING CO WHEELS TECH CO LTD

Huge image display system integrated in venue and control method

The invention relates to a huge image display system integrated in a venue and a control method, and the system comprises an image processing device, a plurality of controllers, and a single-point light-emitting device. A plurality of image block areas are arranged in the venue, a plurality of single-point light-emitting devices are arranged in each image block area, and one controller at least controls the light-emitting states of all the single-point light-emitting devices in one corresponding image block area; the image processing equipment is used for acquiring a huge target image; the controller is used for receiving the picture data of the huge target image and acquiring the picture data of the target area according to the position of the corresponding image block area; obtaining thepositions of all single-point light-emitting devices in the corresponding image block area, and controlling the light-emitting state of the single-point light-emitting device at the corresponding position; and the single-point light-emitting devices of the plurality of image block areas jointly complete display of a huge target image. Automatic display of a huge image can be realized in a venue,the content can be changed at will, and the viewing experience and the field atmosphere of audiences are effectively improved.
Owner:SHENZHEN AOTO ELECTRONICS

Detection device and method for irrigation water viscosity coefficient based on magnetostrictive displacement sensor

The invention discloses a detection device and method for an irrigation water viscosity coefficient based on a magnetostrictive displacement sensor, and belong to the technical field of liquid viscosity coefficient detection. The detection device comprises a triangular iron support, a magnetostrictive displacement sensor, a temperature sensor, a measuring cylinder, a pressure sensor and a data processing and displaying device. The temperature sensor and the pressure sensor which are used for measuring temperature and density are arranged in the device, the influence of the temperature sensor and the pressure sensor on an experimental measurement result is considered, an experimental result is further corrected, and the accuracy is greatly improved. The limitation is greatly reduced, measurement can be carried out after a metal feeler lever of the magnetostrictive displacement sensor extends into the liquid for a certain depth, and the measurement can be carried out in any liquid and atany place as the condition is met. The magnetostrictive displacement sensor outputs continuous signals, and compared with a pulse signal, the signals are stable, the response speed is fast, the precision is high, the transportability is good and the data processing and display device can be easily connected.
Owner:CHANGCHUN INST OF TECH
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