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136 results about "Flight inspection" patented technology

Flight inspection refers to the periodic evaluation of navigational aids used in aviation, such as flight procedures and electronic signals, to ensure they are safe and accurate. Unlike flight tests, which analyze the aerodynamic design and safety of the aircraft itself, flight inspection comprises reviewing flight procedures (such as routes, approaches and departures) to ensure navigational support is sufficient, there are no obstacles and the procedure is reliable.

Inspection method and inspection system based on multi-sensor intelligent terminal

The invention discloses an inspection method and an inspection system. The inspection system comprises a background management center, and an intelligent mobile terminal, such as an android mobile terminal, supporting NFC (Near Field Communication), a gyroscope, an electronic compass and an accelerometer. The method comprises the steps of prearranging an inspection route and the inspection time by the background management center, and appointing an inspector; automatically generating an inspection task by the background management center, and sending the inspection task to the appointed inspector; when the inspector reaches the fixed starting point, reading the label of the starting point by the intelligent mobile terminal so as to start the inspection; in the inspection process, calculating the displacement distance away from the former known point through an accelerometer and a gyroscope of the intelligent mobile terminal so as to calculate the current position, thus drawing and recording the inspection route; when the inspector reaches the next inspection point, reading the label of the inspection point, correcting the calculating error of the terminal position, and repeating the process until the inspector reaches the last inspection point; additionally remarking the excursion, overtime and point leakage conditions, and marking the finish of the inspection; after the inspector returns to a central control room to access WIFI (Wireless Fidelity) of the central control room, automatically authenticating the identity by the background management center and the mobile terminal and transmitting the inspection records; and carrying out statistical analysis on the inspection records including the inspection route by the background management center so as to assist performance management and decision. According to the inspection method and the inspection system, the intelligent mobile terminal can be used for recording the route of the inspector in real time, and monitoring and alarming the condition that the inspector deviates the inspection route and inspects overtime and the like in real time, the problems that the existing off-line inspection system only can be used for monitoring the inspector through scattered inspection points and cannot master the inspection state in real time can be solved, and meanwhile, the defects that in order to realize the functions, the originally used on-line inspection system is high in cost and cannot be flexibly changed as whole wiring construction is needed can be overcome. Particularly, the inspection method and the inspection system provided by the invention can be applied to outdoor inspection, and also can be applied to indoor inspection, thus effectively overcoming the defect that the inspection system based on GPS (Global Positioning System), GIS (Geographic Information System) and GPRS (General Packet Radio Service) cannot be effectively applied to indoor inspection.
Owner:江苏中科泛联物联网科技股份有限公司

Pole tower model matching and visual navigation-based power unmanned aerial vehicle and inspection method

The invention discloses a pole tower model matching and visual navigation-based power unmanned aerial vehicle and an inspection method. In an unmanned aerial vehicle, a depth image of a front end of the unmanned aerial vehicle is acquired by a dual-eye visual sensor, distance between the unmanned aerial vehicle and a front object is further measured, a surrounding image is acquired by a cloud deckand a camera, the object is further identified, and the flight gesture of the unmanned aerial vehicle is controlled by flight control of unmanned aerial vehicle. The method comprises the steps of performing pole tower model building on different types of power transmission line pole towers; automatically identifying the power transmission line pole towers and pole tower types by the unmanned aerial vehicle during the flight process, matching and loading a pre-built pole tower model; performing visual positioning on the power transmission line pole towers by the unmanned aerial vehicle, and acquiring relative positions of the unmanned aerial vehicle and the pole towers; and performing flight inspection by the unmanned aerial vehicle according to optimal flight path. By the unmanned aerialvehicle, the modeling workload is greatly reduced, and the model universality is improved; and the inspection method does not dependent on absolute coordinate flight, the flexibility is greatly improved, the cost is reduced, and the power facility safety is improved.
Owner:NARI TECH CO LTD

Electric power circuit detection method by polling flying robot

The invention discloses a method for detecting an electric power circuit by a flight inspection robot, and belongs to the technical field of noncontact type detection of the electric powder circuit. The method uses a minitype helicopter as a carrier; firstly, a two-dimensional simulation detection model of the flight inspection robot for the electric power circuit is established; secondly, a mathematical description method is used for establishing a target function, a constraint condition target function and a programming variable for the two-dimensional simulation detection model; and finally, according to a programming flight path designed by the two-dimensional simulation detection model, the flight inspection robot inspects the electric power circuit. The method overcomes the disadvantages that a working mode of manual inspection and manual paper medium recording can not ensure the in-place of inspectors and has inaccurate or irregular defect description, and avoids the problems that the manned helicopter used for inspection has high requirement on technique and experience of workers, the workers are required to wear specific work clothes and manpower and material resources are consumed largely. Though disposable input is large, the quality and efficiency for task completion of the method is far higher than that of the prior other modes.
Owner:NORTH CHINA ELECTRIC POWER UNIV (BAODING)

Power line inspection real-time monitoring management system

The invention discloses a power line inspection real-time monitoring management system. The system comprises a background real-time monitoring management platform and a mobile inspection terminal, wherein the background real-time monitoring management platform stores basic data corresponding to a plurality of power transmission lines and can perform management and maintenance on the corresponding basic data of each power transmission line according to a received corresponding maintenance and management instruction; and the mobile inspection terminal is used for obtaining a newly created line inspection task from the background real-time monitoring management platform, assisting inspection personnel to perform inspection job filling, line inspection trajectory tracking and risk point data filling tasks in a line inspection task process, and uploading an inspection job, line inspection trajectory tracking, risk point data and the like to the background real-time monitoring management platform. According to the system, on one hand, intelligent real-time monitoring of a power line inspection on-duty situation can be effectively carried out; and on the other hand, the line inspection job process is standardized and the timeliness and convenience of line inspection data record standardization as well as line inspection task sending and result recovery are achieved.
Owner:STATE GRID CHONGQING ELECTRIC POWER +1

Method for quality inspection of active fault and diagnosis of intelligent fault of engine

The invention discloses a method for quality inspection of active fault and diagnosis of intelligent fault of an engine, which corresponds the symptom of the fault with corresponding frequency for quality inspection of the active fault when the engine is not disassembled. The method specifically comprises the steps of: sequentially loading signals with different frequencies from low frequency to high frequency by a vibrating device to an engine system according to the principle of a relationship between the frequencies and the fault; resonating by the signals with the same frequency; determining the symptom of the fault generated by the signals at the frequency or frequency band; collecting corresponding fault information; extracting the eigenvector of the fault for the collected fault information by a wavelet analysis method as an input eigenvector of inheriting and optimizing wavelet neural network input nodes; and obtaining a network training sample to diagnose on-line measured data. A study sample of the invention has the advantages of easy acquirement, strong pertinence, high accuracy, low cost and the like. An optimized network has the characteristics of good nonlinear mapping and high convergence speed, and can effectively diagnose the fault of the engine.
Owner:TONGJI UNIV

Smart inspection system for distributing line based on vehicle-mounted mobile terminal and inspection method

The invention discloses a smart inspection system for a distributing line based on a vehicle-mounted mobile terminal and an inspection method. The system comprises a vehicle-mounted smart inspection terminal, wherein the vehicle-mounted smart inspection terminal is arranged on the top of a vehicle and mutually communicates with a master station server; the vehicle-mounted smart inspection terminal is configured to generate inspection result data according to received data and uploads the inspection result data to the master station server; the master station server is configured to receive and store the inspection result data uploaded by the vehicle-mounted smart inspection terminal, and analyzes and early warns distributing line faults according to the received data. According to the smart inspection system and the inspection method disclosed by the invention, intelligentization and informatization of distributing line inspection are realized by adopting a smart control and information communication technology, the working efficiency of inspection of the distributing line can be effectively improved, labor force is saved, inspection times are increased, potential hazards of equipment are found in time, and the reliability of power supply is improved.
Owner:ELECTRIC POWER RESEARCH INSTITUTE OF STATE GRID SHANDONG ELECTRIC POWER COMPANY +1

Electric transmission line unmanned plane relay flying inspection method

The invention discloses an electric transmission line unmanned plane relay flying inspection method. An unmanned plane, two remote controllers, a standby battery, two sets of image collection and transmission devices, a transport vehicle and electric transmission line post towers to be inspected are provided. The method is characterized in that operators are divided into two groups, the first group is used for controlling the controllable maximal distance of the unmanned plane flying to the first remote controller; then the second group is used for continuously controlling flying inspection by the unmanned plane through the second remote controller, and controlling the controllable maximal distance of the unmanned plane flying to the second remote controller; then the steps are repeated in sequence. According to the method, in the inspection process, through relay flying, two operators can conduct observation of the unmanned plane and returned images in a ground station in the inspection process simultaneously, so that the safety and inspection quality of the unmanned plane can be ensured; the landing time when the unmanned plane returns after the inspection is finished is saved, fine inspection of the single base post towers is realized, the transition time of the operators is saved, and the work efficiency is improved.
Owner:STATE GRID SHANDONG ELECTRIC POWER +1

Power transmission line insulator, line fault inspection method and inspection system

The embodiment of the invention provides a power transmission line insulator, a line fault inspection method and an inspection system. The method comprises the steps of acquiring the remote sensing information of a remote sensing satellite; determining the line position information and the tower position information of a fault point; when the satellite inspection cannot determine the precision position of the fault point, matching with an unmanned aerial vehicle to inspect, determining the coordinate point of a pole tower GPS needing to be inspected according to the remote sensing satellite information, importing the unmanned aerial vehicle to carry out automatic flight inspection, determining the specific position of the fault point, when the concealment of the fault point is high, combining an unmanned aerial vehicle hitching thermal imaging device with the traditional visible light line inspection to inspect, and determining the specific position of the fault point through a temperature comparison value; combining the line position information and the tower position information of the fault point determined by the satellite inspection and the specific position of the fault pointdetermined by the unmanned aerial vehicle inspection with the manual inspection to realize the comprehensive and accurate inspection of a power transmission line, so that the inspection efficiency and accuracy can be improved, the accurate maintenance measures can be taken conveniently, and the safe operation of the line can be better ensured.
Owner:YUNNAN POWER GRID CO LTD ELECTRIC POWER RES INST

Shock-wave pressure-sensor on-site inspection and sorting method

InactiveCN105403358ARealize on-site selection testThe phenomenon of effective data volume reduction has been improvedFluid pressure measurementShock waveDetonation
The invention provides a shock-wave pressure-sensor on-site inspection and sorting method. The method is characterized in that shock wave overpressure values with different distances are pre-estimated and inspected and sorted pressure sensors of suitable measuring ranges are determined; a bomb holding frame at a detonation center is used to fix a standard explosion signal source; air arrangement sensor installation devices are arranged at each distance; a standard pressure sensor and the inspected and sorted pressure sensors are installed on the air arrangement sensor installation devices; explosion shock wave signals of the standard explosion signal source are collected; 50% inspected and sorted pressure sensors are rejected, wherein a deviation value of test data of the 50% inspected and sorted pressure sensors and the standard pressure sensor on each air arrangement sensor installation device is large. By using the method in the invention, rapid and reliable on-site inspection and sorting of a lot of shock wave pressure sensors can be effectively realized; consistency of the sensors in a same measurement scope can be assessed; the size of the installation devices are small and the weight is light; on-site installation is easy and the method is easy to realize.
Owner:中国兵器工业试验测试研究院

Line inspection unmanned aerial vehicle obstacle avoidance method based on millimeter wave radar and line inspection unmanned aerial vehicle obstacle avoidance system based on millimeter wave radar

InactiveCN108803666AAvoiding Accidents of Collision WiresOvercoming the problem of insufficient recognition accuracyPosition/course control in three dimensionsRadio wave reradiation/reflectionUncrewed vehicleObstacle avoidance
The invention discloses a line inspection unmanned aerial vehicle obstacle avoidance method based on millimeter wave radar and a line inspection unmanned aerial vehicle obstacle avoidance system basedon the millimeter wave radar. The method comprises the following steps that the radar signal is transmitted through the millimeter wave radar, receiving of the radar echo signal is judged and the judgment result indicates no obstacle if the judgment result is no; and if the judgment result is yes, the level alarm signal is outputted according to the radar echo signal; and the unmanned aerial vehicle adjusts the flight state according to the alarm signal. According to the unmanned gyroplane line inspection obstacle avoidance method based on the millimeter wave radar and the unmanned gyroplaneline inspection obstacle avoidance system based on the millimeter wave radar, the millimeter wave radar is arranged on the unmanned aerial vehicle and the level alarm signal is set, and the recognition accuracy of the millimeter wave radar can be the lead level so that the problem of insufficient recognition accuracy of the present obstacle detection method using the sensor can be overcome. Different degrees of danger warning is performed by detecting the obstacle of different directions around the unmanned aerial vehicle in real time and the flight speed and direction are automatically adjusted to realize unmanned aerial vehicle obstacle avoidance so that the accident that the unmanned aerial vehicle collides with the lead can be effectively avoided.
Owner:WUHAN NARI LIABILITY OF STATE GRID ELECTRIC POWER RES INST

Unmanned aerial vehicle inspection method and system for transformer substation

The invention discloses an unmanned aerial vehicle inspection method for a transformer substation, and the method comprises the steps: carrying out laser radar inspection of a current transformer substation, obtaining the three-dimensional laser radar point cloud data of all to-be-detected equipment in the transformer substation, and generating a flight inspection plan containing the planned route information based on the three-dimensional laser radar point cloud data; the unmanned aerial vehicle flight platform controls the unmanned aerial vehicle to fly according to a flight route in the flight inspection plan, when the unmanned aerial vehicle arrives at an inspection position corresponding to the to-be-detected equipment, a current transformer substation image containing the to-be-detected equipment is collected, and an inspection target type and a fault type in the image are identified by using a preset transformer substation inspection target identification model; and the autonomous inspection task of the transformer substation is completed. According to the invention, inspection efficiency and inspection safety are improved, and the online diagnosis precision of the autonomous inspection task is met.
Owner:ZHONGXIN HANCHUANG BEIJING TECH CO LTD

Device for offline inspection and color measurement of printed sheets for the production of banknotes and like printed securities

There is described a device (1) for offline inspection and color measurement of printed sheets for the production of banknotes and like printed securities, comprising (i) a console (10) having a supporting surface (10a) for supporting a sample printed sheet (S), (ii) a multipurpose measuring apparatus (20), which multipurpose measuring apparatus (20) comprises multiple sensors (22, 23) including at least one camera (22) for taking images of selected portions of the sample printed sheet (S) and a color measurement sensor (23) for performing spectrophotometric, colorimetric, and/or densitometric measurements at selected locations on (22, 23) the sample printed sheet (S), (iii) a display (30) for displaying the images taken by the camera (22) and the measurements performed by the color measurement sensor (23), and (iv) a control and processing unit (40) coupled to the multipurpose measuring apparatus (20) and the display (30). The device (1) comprises a move-sensor beam (200) housing the multipurpose measuring apparatus (20), which moveable sensor beam (200) is displaceable along an x-axis over the supporting surface (10a) of the console (10) and over the entire surface of the sample printed sheet (S) located on the supporting surface (10a), the multiple sensors (22, 23) being mounted on a common sensor head (21) which is displaceable within the moveable sensor beam (200) along a y-axis so that the multipurpose measuring apparatus (20) can selectively take images of selected portions of the sample printed sheet (S) by means of the camera (22) or perform measurements at selected locations on the sample printed sheet (S) by means of the color measurement sensor (23). The control and processing unit (40) is configured to control displacement of the moveable sensor beam (200) along the x-axis and of the sensor head (21) along the y-axis.
Owner:KBA NOTASYS SA
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