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6196results about How to "Avoid missing" patented technology

Transformer station three-dimensional real scene simulation system and implementation method

The invention relates to a transformer station three-dimensional real scene simulation system and an implementation method. The system comprises a safety region monitoring unit, a three-dimensional visualization display unit, and a system management unit. The safety region monitoring unit comprises a wireless real-time positioning module using a UWB positioning technology, a moving target security monitoring module, a moving target information query module, a target historical data query module, a safety region early warning setting module, an equipment information query module, and an alarm management module. The three-dimensional visualization display unit comprises a roaming module, an operation deduction module, a field operation instruction scheme making module, and a risk management and control module of an electrified dangerous region. The system management unit comprises a user management module, a system setting module, and a log query module. The system realizes functions of daily inspection and maintenance visual management of a transformer station, operating personnel daily inspection and maintenance process real-time tracking and monitoring, security alert alarm and intelligent recording management.
Owner:WUHAN NARI LIABILITY OF STATE GRID ELECTRIC POWER RES INST +1

Wireless-transmission-based unmanned aerial vehicle platform for power line inspection

The invention discloses a wireless-transmission-based unmanned aerial vehicle platform for power line inspection. The unmanned aerial vehicle platform comprises an unmanned aerial vehicle-borne control platform and a ground station control platform, wherein the unmanned aerial vehicle-borne control platform is used for conducting power line inspection, the data of a power line and a tower is acquired through a visible-light camera, an infrared imager and an ultraviolet imager, the acquired data information is stored in real time and the stored data information is sent to the field control platform through a wireless transmission module A; and the ground station control platform is used for storing the received data information and transmitting the data information to a real-time monitoring module for image display. The wireless-transmission-based unmanned aerial vehicle platform for power line inspection has complete functional facilities and is used for inspecting comprehensively and accurately and is high in efficiency and security.
Owner:中兴长天信息技术(北京)有限公司

Defect detection method for irregular metal machining surface based on depth learning

The invention relates to a defect detection method of an irregular shape metal working surface based on depth learning, By preprocessing the collected surface images of metal machining, image enhancement, YOLOv3-based network architecture, Deep learning network suitable for defect detection is built. The samples are labeled manually and the deep learning network is trained with labeled samples toobtain defect detection model. Finally, the defect detection model is used to detect the surface image of metal machining, and the defect detection results are obtained. Compared with the prior art, the network structure in the invention has good adaptability to the detection of small objects and small targets, and unifies the four basic steps of the candidate region generation, the feature extraction, the classification and the position refinement of the target detection into the same depth network framework, thereby improving the running speed and making the detection more accurate.
Owner:TONGJI UNIV

Method and device for carrying out early warning on network performance

The invention discloses a method and device for carrying out early warning on network performance. The method for carrying out early warning on network performance comprises the following steps: collecting current network performance index data in real time; calculating the reference value of the dynamic early warning threshold according to the sample space of history network performance index data; confirming the dynamic early warning threshold according to the reference value of the dynamic early warning threshold; comparing the collected current network performance index data with the dynamic early warning threshold and carrying out early warning when the current network performance index data is not within the range of the dynamic early warning threshold. In the invention, the dynamicearly warning threshold is set by collecting the history network performance index data and real-time monitoring is carried out on the network performance according to the dynamic threshold, so that the early warning threshold changes according to the network conditions, which improves the accuracy of early warning.
Owner:CHINA MOBILE GRP HEILONGJIANG CO LTD

Ultra-high-frequency partial discharge signal identification method for gas insulated switchgear (GIS)

The invention discloses an ultra-high-frequency partial discharge signal identification method for gas insulated switchgear (GIS). The method comprises a model training process and a defect identification process, and specifically comprises the following steps of: reprocessing partial discharge signals of the GIS; extracting discharge characteristic parameters such as average discharge amplitude, discharge amplitude standard deviation, discharge phase distribution, discharge polarity, discharge time interval mean, discharge time interval standard deviation; optimizing a weight and a threshold value of a back propagation (BP) neural network by utilizing a genetic simulated annealing tool; training samples by utilizing a BP neural network tool; establishing a corresponding gas statistic algorithm (GSA)-BP model; preprocessing the partial discharge signals to be identified of the GIS; and identifying the samples to be measured in a classified way according to the GSA-BP model after extracting the corresponding characteristic parameters. By the method, the efficiency and the accuracy of partial discharge fault diagnosis of the GIS are improved effectively; and the method is critical to evaluate the insulation state of the GIS and formulate a reasonable maintenance strategy.
Owner:SOUTH CHINA UNIV OF TECH

Industrial control type automatic network communication protocol converter and communication protocol conversion method

The invention discloses an industrial control type automatic network communication protocol converter and a communication protocol conversion method. The network communication protocol converter comprises a microprocessor, an upper end connector expanding circuit, a lower end connector expanding circuit, a memory and a power supply circuit, wherein the upper end connector expanding circuit comprises a serial communication interface, an Ethernet interface, a hardware protocol stack chip, a software protocol stack chip and a switching switch for switching communication of the hardware protocol stack chip and the hardware protocol stack chip, and an upper computer; the serial communication interface is used for realizing connection of the microprocessor and a Modbus network; the Ethernet interface is used for realizing connection of the microprocessor and industrial Ethernet; and the lower end connector expanding circuit comprises a plurality of serial communication interfaces which are in communication connection with a plurality of lower computers one by one. With the adoption of the industrial control type automatic network communication protocol converter, the mutual conversion of free protocols and Modbus RTU (Remote Terminal Unit) protocols or TCP / IP (Transmission Control Protocol / Internet Protocol) can be realized, and the requirements of field-grade control and remote control are met.
Owner:江苏航天龙梦信息技术有限公司

Vehicle dispatching system and dispatching method

The invention discloses a vehicle dispatching system, which comprises a dispatching server, and a passenger terminal device and a vehicle-mounted terminal device which are accessed into the dispatching server through the internet, wherein the passenger terminal device comprises a first wireless network module and a taking request module, and the vehicle-mounted terminal device comprises a second wireless network module, a passenger carrying registering module, and a passenger carrying response module. The invention also discloses a dispatching method of the vehicle dispatching system, respective information is registered into the dispatching server by the passenger terminal device and the vehicle-mounted terminal device, and a passenger and a vehicle are matched by the dispatching server according to the driving directions of the two parties so as to realize the dispatching of the vehicle and car sharing. The position information of the opposite party can be displayed in real time on the passenger terminal device and the vehicle-mounted terminal device so as to realize faster and more convenient carrying. A currently ordinary smart phone is adopted to realize more flexible vehicle dispatching, car sharing for passengers in rush hour can be realized, traffic resources can be utilized to the maximum degree, and energy is saved.
Owner:邵新阳

Environmental sound reminding method and mobile terminal

ActiveCN101790000AAvoid missing important or urgent thingsHandle timely and make correctSubstation speech amplifiersReal time acquisitionSurround sound
The invention discloses an environmental sound reminding method and a mobile terminal. The embodiment of the invention collects the sound signal of external environment in real time to process the sound signal according to a processing command so as to obtain the sound processing value of the sound signal; and when the sound processing value is within the reminding range indicated by a reminding condition, a user is reminded by a preset reminding mode according to reminding mode information. The embodiment of the invention realizes the function of automatically reminding user by environment sound information when the sense of hearing is greatly limited, so that users can correctly process surrounding sound in time so as to avoid missing important or emergent matters.
Owner:HUAWEI DEVICE CO LTD
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