135 results about "Flight zone" patented technology

The invention relates to the technical field of airport security management, in particular to an airport flying area monitoring management system and an airport flying area monitoring management method, aiming to solve the problems of backward communication mode, low automation degree and poor operation effect in severe weather of an airport security management system. The airport flying area monitoring management system comprises an open integrated management cloud platform, a panoramic monitoring subsystem, a bird activity detection and control subsystem, an FOD monitoring subsystem, a firefighting control subsystem, a light control subsystem, an unmanned aerial vehicle countermeasure subsystem and a bird-repellent control subsystem. By the airport flying area monitoring management method, the subsystems transmit monitoring data to the open integrated cloud platform, and the open integrated cloud platform is used for analyzing and processing data and sending a command to a corresponding module so as to process any discovered abnormality. The airport flying area monitoring management system and the airport flying area monitoring management method can be applied to security management of large and medium-sized airports.

The invention discloses an intelligent return route control method for an unmanned helicopter power line patrol. Before a power line patrol flight of an unmanned helicopter, three return routes are preset, namely a complete return route, a return back route, and an efficient return route. After the return routes are preset, the state of the unmanned helicopter can be monitored through telemetric return reports; the default return route in the unmanned helicopter flight control system is the efficient return route; the return route can be preset according to terrain environment characteristics in the line patrol flight area; when a fault such as data chain disconnection or flight over-distance occurs during a normal line patrol flight of the unmanned helicopter, the unmanned helicopter automatically exits from the line patrol task during flight and returns according to the preset return route; when the unmanned helicopter is in a normal line patrol flight, an operator on the ground can send return route commands at any moment through a remote controller and instruct the unmanned helicopter to exit from the line patrol task during flight and return according to the preset return route. For execution of power line patrol tasks, the intelligent return route control method is convenient to safeguard, safe and reliable, and high in environmental suitability.

A method of displaying, for a system for anti-collision monitoring of an aircraft, the limits of flight margins in relation to obstructions located in a flight zone, and a device for displaying the limits of operational flight margins and the limits of alert zones, is provided. The operational flight margins in the flight zones not initially envisaged, and the limits of the alert zones around the trajectory of the aircraft, are presented.

The invention discloses a control system and control method for an unmanned helicopter with a laser guidance weapon. The system is composed of an onboard subsystem and a ground subsystem. The onboardsubsystem consists of an onboard data link terminal, a stable aiming device, a flight control module, a weapon module, and an on-board task management device; a weapon is carried inside the weapon module; and a laser guidance head including a laser receiver is arranged at the weapon. The ground subsystem includes a ground data link terminal, a stable aiming operation seat, a flight control seats,a weapon control seat and a ground task management device. In addition, the method comprises: step one, target searching, detections, identification, locking, tracking, and positioning are carried outand then the stable aiming device emits laser to the target; step two, a flight zone is adjusted and thus the laser receiver is able to receive laser after diffuse reflection by the target; step three, the weapon control seat sends out a power-on instruction and the laser guidance head is controlled to be electrified; and step four, the weapon control seat sends out an ignition instruction to carry out target striking.

The invention discloses an airport operation control simulation training device which is mainly used for the professional training of the personnel of airport on-site operation command. The device combines the operation environment and the operation mode of a civil/military airport, and is divided into a control seat, an on-site command seat, a seat distribution seat, a vehicle driving seat, a simulator aircraft commander seat, a tower control seat and a 3D scene seat, and trains the airport on-site operation command (including a flight area and a station level), resource deployment, emergency rescue and other aspects of theory, method and techniques. Based on the operation flow and working principle of the airport operation control, the device combines a two-dimensional map system and a three-dimensional simulation technology to break through simple simulation of the actual airport operation control system interface of devices in the prior art. A high simulation degree simulation training environment is provided for the airport on-site operation.

The invention discloses a threat factor introduced heuristic unmanned aerial vehicle swarm flight path planning method. The method comprises the steps of on the premise of acquiring information such as terrain, altitude, path obstacles, meteorological information data, enemy area air defense deployment and the like, setting an initial position and a target position, performing evaluation and quantitative processing by combining the severity of various obstacles and enemy threats in a passing flight area, taking the result as an important parameter for calculating a flight path, applying the parameter to an improved heuristic A * algorithm, and finally obtaining a flight path result which most conforms to enemy and empty conditions. The method has the advantages that quantitative analysis is conducted on obstacles and air defense threats between unmanned aerial vehicle swarm formation flight paths, the obstacles and the air defense threats serve as important reference factors in a search flight path algorithm, the obtained flight path result can guarantee the shortest flight path in space, meanwhile, the flight path result can be far away from the threats and tend to avoid harm, theflight safety rate of the swarm formation is improved, and the probability that the swarm formation is detected by radar or hit by firepower is reduced.

The invention provides a DSM-based unmanned aerial vehicle flight safety zone calculation display method. An online map is loaded from a map server as a basic base map to be displayed, and at the same time, a ground feature elevation data service is called to load high-precision DSM tile data in a map window spatial range as basic data of subsequent calculation. After a user sets flight height of an unmanned aerial vehicle at a web side through a man-machine interactive interface, through coordinate transformation, and combining with DSM data, a system obtains an elevation value corresponding to each pixel pint in a screen range in real time, calculates a difference value between the elevation value and the set height, and decides according to certain rules whether to change the color of current base map pixels to remind the user. After traversal operation is completed, the system renders a processing result and outputs the result to a screen to be displayed, and distinguishes the general situation of a flight zone under the current set condition through color. The DSM-based unmanned aerial vehicle flight safety zone calculation display method reduces the loading amount of DSM data, simplifies the complexity of front-end calculation, and improves the calculation efficiency of the front end.

The invention discloses a detection system and method for real-time online detection of compaction quality of a road surface influence area of a basic flight area, and particularly relates to a real-time detection and acceptance method for the compaction quality of an airport flight area pavement influence area. According to the method, based on stress wave propagation in the compaction process, the frequency spectrum characteristics of reflected stress waves are obtained by analyzing the vibration characteristics of a vibrating wheel of the vertical vibratory roller, a continuous compaction index E is provided, and an evaluation system and an acceptance check method for the compaction quality are established. The method can quickly, accurately and efficiently detect the compaction degreeand uniformity of the compaction layer in a lossless manner, establish an acceptance standard and effectively guide compaction construction management.

The invention discloses a global navigation auxiliary method based on unmanned aerial vehicle shooting and semantic segmentation, and the method comprises the following steps: setting a target flightarea of an unmanned aerial vehicle, and planning a flight cruising trajectory by using a Dubins trajectory planning algorithm; enabling the unmanned aerial vehicle to shoot a target flight area according to the set flight cruising trajectory, enabling the unmanned aerial vehicle to shoot the ground at an angle perpendicular to the ground, and uniformly selecting a series of points from a linear flight route in the cruising trajectory to serve as GPS position calibration points; according to the GPS point location information and the timestamp information carried by each photo in the shooting data, performing synthesis processing on the shooting data by utilizing an image splicing fusion algorithm; performing semantic segmentation map making on the result of the synthesis processing; and importing the completed map into a QGIS system. According to the invention, the neural network model is utilized to construct the required map, and the special requirement of the outdoor cross-country equipment for the required path can be provided for the special property of the outdoor cross-country equipment.

A method of defining a flight area of an unmanned aerial vehicle based on a Beidou short message system and an unmanned aerial vehicle are provided. The method comprises the steps of receiving a short message issued by a Beidou short message system, decrypting the short message to obtain no-fly information and realizing the temporary no-fly of the unmanned aerial vehicle according to the no-fly information. The beneficial effects of the present invention are that the method of defining the flight area of the unmanned aerial vehicle based on the Beidou short message system and the unmanned aerial vehicle are provided. By using the short message function provided by Beidou satellite in China, information such as no-fly area and no-fly time is sent through short messages; active no-fly intervention of the unmanned aerial vehicle is realized; a problem of impossibility of temporary no-fly of the unmanned aerial vehicle when temporary flight control is needed is solved; and spatial domain safety is better ensured.

The invention discloses an air traffic flow management system based on a vertical profile view and a method. The air traffic flow management system comprises a data collection module, an air traffic control module and a visualization user interface manager; the data collection module collects flight data of various aircrafts; the flight data at least comprises 3D coordinate information of the aircraft, the flight path information and the air pressure data; the air traffic control module marks off a normal flight region and an abnormal flight region according to the data collected by the data collection module; the visualization user interface manager is configured to display the normal flight zone, the abnormal flight zone and the abnormal operation aircraft which are outputted by the air traffic control module on the vertical profile view on a displayer of a user.

The invention relates to a mass spectrometry instrument, in particular to an ion mass screening device in flight time mass spectrometry, and the device comprises a mass analyzer; the mass analyzer comprises a vacuum cavity, a field-free flying area located in the vacuum cavity, a grid electrode, a micro-channel plate and a Faraday disk; an ion mass screening electrode is arranged in an area between the two metal grid meshes of the grid mesh electrode; pulse voltages U1 and U2 which are opposite in polarity, identical in pulse width and synchronous in time sequence are applied to all the adjacent plate-type structure electrodes of the ion mass screening electrode respectively. According to the invention, the ion mass reaching the micro-channel plate ion detector can be selectively filtered;the interference of high-strength ion background ions and reaction reagent ions on the micro-channel plate detector is eliminated, the dynamic range of an instrument can be effectively enlarged, thedetection sensitivity is improved, and the service life of the micro-channel plate ion detector can be greatly prolonged.

The invention discloses an aircraft ground guidance system and method based on controller instruction semantic recognition. The system comprises a semantic recognition module, a path generation and GIS mapping module and an aircraft guide terminal module. The method has the advantages that accidents and accident signs caused by human factors in the control scheduling process can be effectively eradicated, so that the ground operation safety of the airplane is greatly improved. Manual operation of the aircraft guiding vehicle is not needed, and the construction cost, the transformation cost, the maintenance cost and the operation cost can be greatly reduced. The system is suitable for airport control requirements, forms a high-reliability, low-fault, economical and practical airport controldecision support system and an airplane ground guide system in an airport flight area, and improves the safety of airplane ground operation.

The invention discloses a high-rise fire-fighting multi-unmanned aerial vehicle cooperative path planning method in an urban block environment, and the method comprises the steps: building a three-dimensional environment model of an urban block through employing a grid method, and screening the three-dimensional environment model, and obtaining a flying region; searching and screening a flying area by using a three-dimensional A * algorithm, and planning a global reference path; using a sensor carried by the high-rise fire-fighting unmanned aerial vehicle for collecting environment informationin real time and updating the three-dimensional environment model in real time, carrying out online local path planning through a particle swarm optimization algorithm, determining whether an unknownobstacle appears on a current path or not, and determining whether the high-rise fire-fighting unmanned aerial vehicle needs dynamic obstacle avoidance or not. In addition, by setting the minimum safety distance, cooperative flight of the multiple high-rise fire-fighting unmanned aerial vehicles is achieved. According to the method, cooperative path planning and autonomous flight of the high-risefire-fighting unmanned aerial vehicle are realized by using a hybrid algorithm, the path planning is reasonable, the response speed is high, obstacles are flexibly avoided in the flight process, andhigher safety is achieved.