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Automatic communication network monitoring system and realization method thereof

The invention belongs to the communication technology field, in particular relates to an automatic communication network monitoring system and realization method thereof. The system comprises a network management server, a communication network, and a mobile phone test terminal. The network management server are provided with a network data acquisition module and a base station connection analysis module; the communication network which is a mobile communication network arranged between the network management server and a test terminals, and the mobile phone test terminal which is a mobile phone provided with a network test terminal management module. The automatic communication network monitoring system described in the invention can fast and accurately obtain the concrete condition of network communication quality by a commercial mobile phone, has low data acquisition cost and abundant data size, and can reflect the overall performance of a wireless communication network accurately and at real time, thereby greatly shortening the period for finding and solving problems. Thus, the system provides objective basis for network planning and optimizing, provides reliable data for customer service, and is convenient for communication network maintainers while greatly saving network test cost.
Owner:FUDAN UNIV

Welding robot with automatic correction function and welding method employing same

The invention belongs to the field of welding and relates to a welding robot with an automatic correction function and a welding method employing the same. An industrial computer is connected with both a robot controller and an industrial camera; the robot controller is connected with a robot and a welding power supply; the welding power supply is connected with a welding torch; the industrial camera and the welding torch are fixed at the tail end of an arm of the robot; a shooting plane of the industrial camera is perpendicular to the welding torch; a work platform is arranged correspondingly. The method includes the steps: the robot is started to demonstrate a template workpiece, shooting is performed in two characteristic regions to determine a spatial position of the workpiece, the industrial camera transmits images of the characteristic regions to the industrial computer, the robot automatically corrects a deviation of an original demonstration path through an image processing technique and software algorithms. The welding robot is simple to operate and widely applicable; by the application of the welding robot in batch welding operations, repeated demonstrations can be effectively avoided, and work efficiency is improved.
Owner:BEIJING UNIV OF TECH

Industrial boiler monitoring and analysis assistant decision-making cloud platform system

The invention provides an industrial boiler monitoring and analysis assistant decision-making cloud platform system, which comprises a data collector and a cloud-end server, wherein the data collector is used for collecting industrial boiler real-time monitoring data such as boiler operation parameters and environmental protection monitoring data in real time; the cloud-end server comprises a data analysis module and a data displaying module; the data analysis module is used for analyzing the real-time monitoring data to acquire analysis statistics data such as the operation data and the economic data of the industrial boiler, detecting an alarming event to acquire alarming information, detecting the operation condition of instrument equipment of the industrial boiler, providing maintenance information, judging a field fault reason and providing optimization recommendation; and the data displaying module is used for displaying the real-time monitoring data, the analysis statistics data, the alarming information, the maintenance information and the optimization recommendation. The invention can provide a regional industrial boiler remote monitoring and assistant decision-making platform integrating functions of online monitoring, automatic diagnosis, safety early warning, maintenance promoting, optimization recommendation and the like for various parameters for operation of the boiler as a whole.
Owner:BEIJING DABANG SHICHUANG ENERGY SAVING TECHSERVICE

Human body acupuncture point recognizing and massaging method and device and AR equipment

The invention discloses a human body acupuncture point recognizing and massaging method and device and AR equipment and relates to the technical field of computer application. A massaged human body part is determined by image matching, and corresponding acupuncture point positions and corresponding massage modes are displayed in an image, so that the professional property of acupuncture point massaging is reduced, and the operability of acupuncture point massaging is improved. According to the main technical scheme, the method comprises the following steps: determining a human body part exhibited in the real-time collected image, wherein the real-time collected image is a display image which is photographed by a photographing device in real time; extracting acupuncture point information contained in the human body part according to the human body acupuncture point distribution information; exhibiting the acupuncture point information in an image device corresponding to the human body part; acquiring massage mode information related to the acupuncture point information; and exhibiting the massage mode information in the current display image. The method and device disclosed by the invention are mainly used for automatically recognizing the acupuncture points and massaging the acupuncture points.
Owner:BEIJING ANYUNSHIJI TECH CO LTD

Interactive teaching method convenient for flexible teaching

The invention discloses an interactive teaching method convenient for flexible teaching and relates to the interactive teaching field. The method comprises the following steps: S1) processing initialteaching content in advance to obtain secondary teaching content, wherein the secondary teaching content comprises the initial teaching content and a plurality of teaching content branches; S2) playing the secondary teaching content through a play device, and when playing question point content, temporarily stopping playing the secondary teaching content; S3) obtaining student feedback answers through an answer obtaining module; S4) detecting the student feedback answers through a detection module, if the student feedback answers are same with correct answers, continuing to play the teaching content, and if the student feedback answers are not same with the correct answers, the system automatically skipping to the corresponding teaching content branch and playing the corresponding teachingcontent, and after finishing playing, skipping to the question point portion in the secondary teaching content; and S5) repeating the steps S3)-S4) till the whole secondary teaching content is played. The method solves the problems that a conventional teaching method is passive, is not wide in knowledge points and is poor in flexibility.
Owner:成都鸿合爱课堂科技有限公司

Painting and calligraphy learning machine

The invention discloses a painting and calligraphy learning machine comprising a workbench, an optical transmission system, a digital analysis system, an imaging projection system and a power supply system. The desktop of the workbench is mainly formed by a light scattering plate and a crystal soft light plate laid on the light scattering plate. A curtain is arranged under the light scattering plate. The optical transmission system comprises a main light source, and a polariscope, an enoscope and a prism through which light emitted from the main light source passes in sequence. The digital analysis system comprises a back Fresnel lens arranged in front of the prism, a front Fresnel lens arranged in front of the back Fresnel lens and a crystallite integration piece arranged in front of the front Fresnel lens. An electronic liquid crystal screen or a picture clamp is arranged between the front Fresnel lens and the back Fresnel lens. The imaging projection system comprises a collecting lens parallely arranged in front of the crystallite integration piece, a magnifying lens parallely arranged in front of the collecting lens and a reflecting mirror arranged in front of the magnifying lens and inclined to the desktop of the workbench. The painting and calligraphy learning machine provides convenience for painting and calligraphy lovers to carry out imitation creation, and can help the painting and calligraphy lovers to quickly improve the painting and calligraphy learning effect.
Owner:SHANDONG BEIDOU REFRIGERATION EQUIP

Method for designing tunnel composite lining based on total safety factor process

The invention relates to a method for designing a tunnel composite lining based on a total safety factor process. The method comprises the following steps: confirming a surrounding rock pressure representative value of the composite lining; confirming a total safety factor of the composite lining according to the support type; primarily distributing the confirmed total safety factor of the composite lining, thereby acquiring respective safety factors of spraying layer, anchor rod-surrounding rock bearing arch and secondary lining; confirming parameters of spraying layer, anchor rod-surroundingrock bearing arch and secondary lining according to a distribution result of each safety factor and a corresponding load structure model; acquiring a load proportional coefficient of composite structure in general damage stage by adopting a composite structure model according to the parameters of spraying layer, anchor rod-surrounding rock bearing arch and secondary lining; acquiring strength matching degree of support components by comparing the relationship between the load proportional coefficient and the sum of the safety factors of spraying layer and secondary lining; comprehensively analyzing and selecting an optimal supporting scheme according to multiple sets of supporting parameters confirmed on the basis of multiple sets of distribution results of total safety factor and throughcomparison and selection of strength matching degree, economic efficiency and practicability.
Owner:CHINA RAILWAY SIYUAN SURVEY & DESIGN GRP

Method for protecting low-voltage bus of intelligent substation

The invention discloses a method for protecting a low-voltage bus of an intelligent substation. The method is achieved through a bus protection device and branch protection measuring and control devices connected with the bus protection device in a cooperation mode, the bus protection device is started through steady current overflowing elements and current variable quantity elements of the active branch protection measuring and control devices, action allowing signals are sent to the bus protection device through power direction elements or the current overflowing elements of branches, and bus composite voltage blocking elements are adopted as the open condition of a bus fault. Internal and external faults of a bus region are judged by the bus protection device in the mode of combining starting signals and the action allowing signals, when the three conditions are met at the same time, the bus fault is judged, the bus protection device acts to remove the faulted bus, and a fault of a segmentation dead region and a fault of a transformer low-voltage side dead region can be judged and isolated. The bus faults with voltage classes of 35 kV and below can be removed fast and accurately, and the method can be directly applied to a digital substation or the intelligent substation.
Owner:STATE GRID CORP OF CHINA +2
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