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104 results about "Flight velocity" patented technology

Transmission, transformation and distribution equipment inspection system and method based on unmanned aerial vehicle

The invention relates to the technical field of power equipment inspection, and discloses a transmission, transformation and distribution equipment inspection system and method based on an unmanned aerial vehicle, and the system comprises the following specific components: an unmanned aerial vehicle state monitoring module which is connected with a battery management system, is provided with a pressure sensor, and is connected with a flight control system and various sensors; the unmanned aerial vehicle power, load and flight speed parameters are monitored in real time, tasks are dynamically and intelligently distributed and scheduled through deep fusion of multi-dimensional information such as unmanned aerial vehicle states, task attributes and environmental conditions, it is ensured that each unmanned aerial vehicle can execute the best matching task at the best opportunity and the most appropriate place, resource waste and potential risks are avoided, and the unmanned aerial vehicle task scheduling method and system are suitable for large-scale popularization and application. And meanwhile, task allocation is performed according to the states of the unmanned aerial vehicles and task requirements, the resources of each unmanned aerial vehicle are fully utilized, the service life of each unmanned aerial vehicle is prolonged, the inspection cost is reduced, and the resource utilization efficiency is improved.
Owner:SUIZHOU POWER SUPPLY COMPANY STATE GRID HUBEI ELECTRIC POWER +2

Bridge and tunnel geological disaster monitoring method and system based on unmanned aerial vehicle

The invention provides a bridge and tunnel geological disaster monitoring method and system based on an unmanned aerial vehicle, and relates to the technical field of geological disaster monitoring, and the method comprises the steps: obtaining the data of a sensor carried by the unmanned aerial vehicle; performing space-time alignment and confidence coefficient weighting on the three-dimensional point cloud data, the image data and the flight attitude data through a space-time weighted covariance fusion model to obtain fusion deformation feature data; inputting the data into a wavelet-Volterra series coupling prediction algorithm, performing nonlinear deformation prediction on the key part, and outputting a future displacement prediction value; generating a geological disaster risk probability graph according to the predicted value and a preset risk threshold value; and based on the probability graph, dynamically optimizing the flight speed, height and flight path of the unmanned aerial vehicle through a Bayesian adaptive flight path planning module, and outputting a real-time monitoring path instruction. Through multi-modal fusion and dynamic path planning, the geological disaster monitoring precision and the cruising ability of the unmanned aerial vehicle are improved, and the method is suitable for safety protection of bridges and tunnels in complex terrains.
Owner:BEIJING BRIDGE RUITONG MAINTENANCE CENT

Unmanned aerial vehicle autonomous inspection and task planning method under global intelligent platform

The invention relates to the technical field of city management, in particular to an unmanned aerial vehicle autonomous inspection and task planning method under a global intelligent platform. Comprising the steps that an inspection task instruction from a global intelligent platform is received, and the inspection task instruction comprises a target inspection area, an inspection precision requirement and inspection time limitation; dividing the target inspection area into a plurality of sub-areas, and calculating the inspection complexity coefficient of each sub-area according to the geographical environment, terrain height and obstacle distribution condition of each sub-area; based on the inspection complexity coefficient, the inspection precision requirement and the inspection time limit, utilizing a preset task allocation algorithm to allocate the inspection task to a plurality of unmanned aerial vehicles; for the sub-region tasks allocated to each unmanned aerial vehicle, generating an optimal flight path by using a path optimization algorithm in combination with the cruising ability, the flight speed and the load weight of the unmanned aerial vehicle; according to the invention, the problems of unreasonable task allocation and low overall efficiency in the existing multi-unmanned aerial vehicle inspection system can be solved.
Owner:GUANGZHOU SUNRISE ELECTRONICS TECH

Tilting four-rotor unmanned aerial vehicle and unmanned aerial vehicle countering system

The invention discloses a tilting quad-rotor unmanned aerial vehicle and an unmanned aerial vehicle countering system, and the system comprises a flight control module which is used for controlling the tilting quad-rotor unmanned aerial vehicle to fly towards a target unmanned aerial vehicle, and adjusting the flight mode and the flight speed of the tilting quad-rotor unmanned aerial vehicle in real time according to the distance and the speed difference in the flight process. The target identification module is used for collecting video stream information of a target airspace and detecting whether a target unmanned aerial vehicle exists in the video stream information frame by frame; the target tracking module is used for determining the distance and the speed difference between the target unmanned aerial vehicle and the tilt quad-rotor unmanned aerial vehicle under the condition that the target unmanned aerial vehicle exists in the video stream information; and the net gun capturing module is used for calculating a launching parameter of a capturing net when the distance between the target unmanned aerial vehicle and the tilt quadrotor unmanned aerial vehicle is smaller than a preset distance, and launching the capturing net to the target unmanned aerial vehicle according to the launching parameter. According to the scheme, the unmanned aerial vehicle can be precisely countered.
Owner:NANCHANG HANGKONG UNIVERSITY

Multi-mode interactive indoor unmanned aerial vehicle target detection and tracking method and system

The invention relates to a multi-mode interactive indoor unmanned aerial vehicle target detection and tracking method and system. The system comprises a target detection and tracking module, a laser radar inertial odometer module, a video display and interaction module and a flight control module. The method comprises the steps that an unmanned aerial vehicle end receives and processes RGB images, laser radar point cloud and IMU data; and optimizing a YOLOv8 target detection model and an OSTrack target tracking model through a TensorRT inference engine. By fusing LiDAR and IMU data, accurate state estimation and map construction are provided. And the ground station end displays a video stream and generates a control command through the video display and interaction module. And calculating a flight speed and a yaw angle rate by estimating an error between the target image position and the current position of the unmanned aerial vehicle, and generating a flight control instruction. The problems that an indoor unmanned aerial vehicle system often faces low target detection precision, poor tracking stability and difficult user interaction experience are solved, and the method and the system are more efficient, more accurate and higher in interactivity.
Owner:EAST CHINA INST OF COMPUTING TECH

Automatic fan blade coating spraying method and system based on unmanned aerial vehicle

The invention relates to the technical field of fan blades, in particular to an automatic fan blade coating spraying method and system based on an unmanned aerial vehicle. Comprising the steps that a plurality of blade subareas are set according to the surface structure of the fan blade; according to a preset wear simulation model, an expected wear value of each blade sub-region is generated, and whether a primary spraying strategy is generated or not is judged according to the expected wear values; acquiring a spraying monitoring packet according to a preset feedback time node, and judging whether to correct the primary spraying strategy according to the spraying monitoring packet; the wear degree of each area of the fan blade is remotely predicted according to the wear simulation model in combination with environmental monitoring parameters, each wear point of the protective coating is accurately positioned in combination with image data acquired by the unmanned aerial vehicle, and accurate control of the flight position of the unmanned aerial vehicle is realized by acquiring feature points of each blade sub-area. And meanwhile, the flight speed and the coating flow of the unmanned aerial vehicle are dynamically corrected in time by periodically collecting the thickness of a spraying layer in the spraying process, and the spraying execution efficiency is improved.
Owner:YANQI HUANENG PHOTOVOLTAIC POWER GENERATION CO LTD

Unmanned aerial vehicle detection and control method and system for regional defense

The invention relates to an unmanned aerial vehicle detection and control method and system for regional defense, and the method comprises the steps: dividing a to-be-defended region, and setting a differentiated flight forbidding threshold and a detection response priority; secondly, constructing a multi-dimensional cooperative detection network of radio spectrum monitoring, millimeter wave radar, photoelectric tracking and an acoustic sensor based on sub-region division, and collecting multi-source data of the unmanned aerial vehicle in real time; judging a sub-region to which the unmanned aerial vehicle belongs through coordinate matching, screening out over-limit target data, and extracting a target feature set of flight speed, height, communication protocol type, radar reflection cross section and voiceprint information; and inputting a target dynamic classification model, and dynamically outputting three threat levels of a harmless civil type threat level, a suspicious reconnaissance type threat level and a high-risk aggressive type threat level. The hierarchical management and control are executed in combination with the sub-region priority and the threat level, the management and control effect is dynamically evaluated based on the preset evaluation index, and the detection parameter and the management and control strategy are adaptively adjusted, so that the intrusion risk of the core region is effectively reduced, and the intellectualization and adaptive ability of regional defense are improved.
Owner:成都大公博创信息技术有限公司

Unmanned aerial vehicle automatic positioning and navigation system based on AI

The invention discloses an AI-based unmanned aerial vehicle automatic positioning and navigation system, and the system comprises an unmanned aerial vehicle body which obtains a starting point coordinate through a navigation module by manually inputting a terminal point coordinate and a planned flight time length value t, flies to the terminal point coordinate at a flight speed value V1 and a flight height value H1 from the starting point coordinate, automatically completes a flight task, and automatically judges a return flight; and the monitoring unit is used for acquiring an initial electric quantity value Q of the unmanned aerial vehicle body, transmitting the initial electric quantity value to the coordinate unit, monitoring the output power of the storage battery in real time during flight, and generating a feedback signal and transmitting the feedback signal to the correction unit when abnormal output power is generated during flight. The problems that when an existing unmanned aerial vehicle automatic positioning navigation system is used, the endurance problem of the unmanned aerial vehicle is not considered, and the unmanned aerial vehicle cannot return or even falls in the flight process in the actual flight process are solved.
Owner:ZHEJIANG BOYA CLOUD TECH CO LTD

Method for vehicle-based control of a drone and system comprising at least one vehicle and a vehicle-based drone for controlling the vehicle-based drone

The invention relates to a method for vehicle-based control of a drone (60). The method comprises determining a flight route (92) of the drone (60) and a drone speed profile for the flight route (92) of the drone (60) based on a driving route (90) of a vehicle (50), wherein the drone (60) is controlled from the vehicle (50) via a communication link (70) between the vehicle (50) and the drone (60), an exchange of the flight route (92) and the drone speed profile takes place between the vehicle (50) and the drone (60) so that both the vehicle (50) and the drone (60) have the flight route (92) and the drone speed profile stored, and in the event of at least one interruption of the communication link (70), the drone (60) flies the flight route (92) at a drone speed corresponding to the drone speed profile.
Owner:AUDI AG

Method for analyzing air collision risk in entering stage of unmanned aerial vehicle

The invention provides an unmanned aerial vehicle entering stage air collision risk analysis method, which comprises the steps of modeling unmanned aerial vehicle entering modes, including a horizontal entering-vertical descending entering mode and a waiting circle-waiting point entering mode; establishing a collision risk model, and calculating position errors of the unmanned aerial vehicle in the horizontal direction and the vertical direction according to a horizontal alarm threshold and a vertical alarm threshold of an unmanned aerial vehicle navigation system; calculating a safety interval between adjacent unmanned aerial vehicles based on a collision risk model; the method comprises the following steps: performing Monte Carlo simulation by considering the randomness of speed error, wind shear and flight speed as well as a pitch angle and a course angle to obtain a relative speed, calculating collision risks at different intervals, comparing safety target levels, and calculating the minimum safety interval of the unmanned aerial vehicle in a horizontal approach-vertical descent approach mode; and calculating a minimum route included angle in the approach mode by using the waiting circle and the waiting point, and planning safety intervals in different approach modes.
Owner:CIVIL AVIATION UNIV OF CHINA

Unmanned aerial vehicle autonomous obstacle avoidance method and system based on visual SLAM

The invention relates to the technical field of unmanned aerial vehicle obstacle avoidance, in particular to an unmanned aerial vehicle autonomous obstacle avoidance method and system based on visual SLAM, and the method comprises the steps: obtaining multi-source sensor data of an unmanned aerial vehicle, the multi-source sensor data at least comprises load data, visual image data, inertial vibration data and system energy state data; constructing an obstacle environment map according to the visual image data and the inertial vibration data; determining a maneuvering energy index according to the system energy state data and the load data; and determining an obstacle avoidance path based on the current flight speed of the unmanned aerial vehicle, the load data and the maneuvering energy index, and generating an emergency obstacle avoidance instruction based on the obstacle avoidance path and an obstacle environment map, so as to control the unmanned aerial vehicle to realize emergency obstacle avoidance according to the emergency obstacle avoidance instruction. The method has the effect of improving the obstacle avoidance precision and stability of the unmanned aerial vehicle under the high-load condition.
Owner:TIANSHU ZHIKAN (XIAN) TECHNOLOGY DEVELOPMENT CO LTD

An adjustable two-dimensional tail nozzle

ActiveCN224432681UAchieve thrust adjustmentflying fastFlight velocityUncrewed vehicle
This utility model discloses an adjustable two-dimensional tail nozzle, belonging to the field of two-dimensional tail nozzle technology; it includes a connected engine and an adapter casing. A servo is provided on one side of the adapter casing. The output side of the adapter casing consists of a rectangular opening formed by two oppositely arranged fixed plates and two oppositely arranged adjusting plates. A power arm is provided at the output end of the servo. The right end of the power arm is connected to two parallel first connecting rods by a pin shaft. The other ends of the two first connecting rods are respectively connected to two second connecting rods. It can be applied to small afterburning turbojet engines to improve the flight speed of UAVs. Its structure is simple. The synchronous opening and closing movement of the adjusting plates is achieved through a single servo drive source, reducing the control difficulty, realizing engine thrust adjustment, reducing the number of structures, and making it lightweight, highly reliable, and low in cost. By setting a support rod on the outside of the adjusting plate, the adjusting plate can be limited. The structure is simple and the use effect is good.
Owner:ZHONGKE TIANCHI AVIATION TECHNOLOGY (YANTAI) CO LTD

Ultra-high-speed helicopter with stowed single-blade coaxial rotors

An ultra-high-speed helicopter with stowed single-blade coaxial rotors is provided and relates to the technical field of aircrafts. The ultra-high-speed helicopter includes a fuselage. Wings and tails can be arranged on the fuselage, respectively. Tail blades can be arranged at a tail end of the fuselage. A rotor mechanism can be arranged on a top of the fuselage. The rotor mechanism includes rotors. The rotor mechanism can drive the rotors to be stored in a rotor storage cabin of the fuselage. When the helicopter flies at high speed, the rotors stop working, and tail blades provide propulsive force and the wings provide lift force, so that the defects in the aerodynamic characteristics of the rotors are avoided during high-speed flight. In addition, the rotors can be retracted and stowed in a fuselage to further reduce drag and increase the maximum flight speed.
Owner:NANJING UNIV OF AERONAUTICS & ASTRONAUTICS

Vision-based autonomous landing method and system for unmanned aerial vehicles

The application discloses a kind of unmanned aerial vehicle autonomous landing method and system based on vision, realize the dynamic landing pad autonomous landing of unmanned aerial vehicle under unknown environment;Adopt the feature extraction and state estimation method of unmanned aerial vehicle vision sequence, according to the center position of the dynamic landing pad, motion direction, motion speed and other features extracted from processed visual information, estimate the relative pose of itself and dynamic landing pad, predict dynamic landing pad space-time state and motion behavior;According to the perception result of unmanned aerial vehicle, directly generate the control instruction of the motion direction, lifting height, flight speed and other of unmanned aerial vehicle, realize the dynamic landing pad landing task of unmanned aerial vehicle under GPS denial unknown environment;The method combines the multi-control network cooperative control based on deep reinforcement learning and target space-time state prediction method, so that unmanned aerial vehicle autonomously completes the dynamic landing pad landing task of unmanned aerial vehicle under unknown environment without human intervention, greatly improves the autonomy and intelligence of unmanned aerial vehicle.
Owner:XIAN UNIV OF TECH

Unmanned aerial vehicle self-adaptive telegraph pole insulating paint spraying method and device

The embodiment of the invention provides an unmanned aerial vehicle self-adaptive telegraph pole insulating paint spraying method and device, and the method comprises the steps that in the spraying operation process, operation environment parameters are obtained in real time, the operation environment parameters are input into a pre-trained reinforcement learning model, and the operation environment parameters comprise the wind speed, the paint temperature and the telegraph pole surface coating state; the reinforcement learning model generates and outputs a pumping pressure adjusting instruction and a flight control instruction in real time according to the input environmental parameters; and according to the pumping pressure adjusting instruction and the flight control instruction, a spraying mechanism is synchronously controlled to conduct atomization spraying at the target pumping pressure, and the unmanned aerial vehicle is controlled to fly along the spraying object at the target flight speed till the thickness of the coating on the surface of the telegraph pole meets the target thickness. The stability and the consistency of the spraying quality are improved, and the coating thickness error is controlled within a preset range; the coating waste caused by environmental fluctuation is greatly reduced, the working efficiency is improved, manual high-altitude operation is avoided, and corresponding safety risks are thoroughly eliminated.
Owner:STATE GRID HEBEI ELECTRIC POWER RES INST

A method and system for predicting the endurance of a drone

The application relates to the technical field of unmanned aerial vehicle control, and discloses an unmanned aerial vehicle endurance prediction method and system, which comprises the following steps: setting a dynamic sensing area based on a flight speed direction and a body, and cooperatively collecting sensing data sets; performing multi-source space-time registration on laser point clouds and millimeter wave echoes based on pose information to obtain a fusion candidate point set; performing state classification identification and effective target condensation on the candidate point set to obtain a current obstacle target; performing space parameter solving and time sequence stabilization processing on the current target to generate a structured obstacle target; judging a safety corridor according to a flight path and a work line direction to obtain a forward passing state; and finally, calculating a risk level by comprehensively considering the forward passing state and motion characteristic parameters, mapping the risk level to a risk action mapping strategy, and outputting corresponding control instructions; the application can improve the efficiency of unmanned aerial vehicle endurance prediction.
Owner:JIMU (HAINAN) INTELLIGENT BREEDING EQUIP CO LTD

Unmanned aerial vehicle pod retracting and releasing mechanism

The unmanned aerial vehicle pod retracting and releasing mechanism comprises a vehicle body, a rectangular groove is formed in the bottom end of the vehicle body, a door closing mechanism covering the rectangular groove is arranged at the bottom of the vehicle body, two fixing boxes are vertically and fixedly connected to the inner wall of the bottom end of the vehicle body, and lead screws are vertically and rotationally connected to the inner walls of the bottom ends of the two fixing boxes correspondingly; the tops of the two lead screws are rotationally connected with the same fixing plate, the two lead screws both penetrate through the fixing plate, a cabin is arranged below the fixing plate, and a movement mechanism which rotates firstly and then puts down the cabin is arranged in the machine body. According to the unmanned aerial vehicle pod, the rectangular groove in the bottom of the unmanned aerial vehicle is covered, a large amount of wind is prevented from entering the unmanned aerial vehicle body in the flying process of the unmanned aerial vehicle, the influence on the flying speed of the unmanned aerial vehicle is reduced, and therefore the working efficiency of the unmanned aerial vehicle is improved, the unmanned aerial vehicle pod is convenient to fold and unfold, and the space of the unmanned aerial vehicle is saved.
Owner:GUANGDE RUIYING INTELLIGENT TECH CO LTD

A UAV FOD detection system based on radar and camera

The present invention relates to the technical field of airport FOD detection, and more particularly to a radar- and camera-based unmanned aerial vehicle (UAV) FOD detection system, comprising a background central radar, a camera, and a detection UAV. The present invention optimizes radar detection when the UAV is equipped with the radar and camera. First, range migration correction is performed on the radar echo signal to compensate for interference with radar detection (echo) caused by the flight speed of the UAV equipped with the radar. Simultaneously, a secondary confirmation is performed on the radar detection. By comparing a large amount of data, secondary screening of FOD detection is performed, reducing invalid detections, increasing detection accuracy, and saving detection time. A fixed-focus camera is used to perform detailed identification of suspected FOD objects by category, size, risk level, etc. after preliminary radar detection, thereby improving detection efficiency and accuracy.
Owner:HEFEI SHIZHAN OPTOELECTRONICS TECH CO LTD

Flying net projectile

The invention provides a flying net projectile. The flying net projectile comprises a head shell case, a tail shell case and a flying net assembly. The head cartridge case and the tail cartridge case are buckled to form a constraint cavity, and the windward side of the head cartridge case is provided with an air hole array communicated with the constraint cavity; the flying net assembly comprises a flexible net piece and a plurality of traction elastic pieces, and the flexible net piece is connected with the traction elastic pieces through traction wires. The traction elastic pieces are distributed in the restraining cavity in a circumferential array mode, and an elastic element is arranged between every two adjacent traction elastic pieces. Wherein the head cartridge case and the tail cartridge case are separated under the compression of air flow entering the restraint cavity through the air hole array, and when the head cartridge case and the tail cartridge case are separated, the traction elastic pieces drive the flexible meshes to be opened under the elastic pushing action of the elastic elements. According to the flying net projectile provided by the invention, the separation opportunity of the head shell and the tail shell can be associated with the flying speed of the flying net projectile, so that the projectile structure can be greatly simplified, and the interception stroke and precision can be improved.
Owner:ARMY ENG UNIV OF PLA

Catapult kinetic energy measurement method and device, electronic equipment and storage medium

The invention provides a catapult kinetic energy measurement method and device, electronic equipment and a storage medium, and the method comprises the steps: inputting a print image generated by the impact of a catapult launched by a catapult and the bullet correlation information of the catapult into an improved target detection model, obtaining an imprint prediction frame and an imprint prediction category in an imprint image output by the improved target detection model; after the target area image in the print prediction frame is optimized, the actual print area is calculated according to the optimized target area image; calculating the kinetic energy of the catapult according to the mass of the catapult and the flight speed after launching, and calculating the unit area kinetic energy of the catapult according to the kinetic energy of the catapult and the actual print area; the improved target detection model is obtained through training by taking an imprint image sample and corresponding bullet correlation information as samples and taking an imprint category labeling result and an imprint frame labeling result in the imprint image sample as labels. According to the invention, rapid and accurate measurement of kinetic energy measurement is realized.
Owner:TECH CENT OF GUANGZHOU CUSTOMS

Unmanned aerial vehicle pose joint debugging system and debugging method

ActiveCN121425523Bwill not interfereAccurately identify flight debugging defectsUncrewed vehicleFlight velocity
The unmanned aerial vehicle pose joint debugging system and debugging method relate to the unmanned aerial vehicle testing technical field. In order to solve the problem of how to realize multiple flight attitudes of the unmanned aerial vehicle without causing the unmanned aerial vehicle to explode. The present application comprises an unmanned aerial vehicle loading platform, a suspension platform, a pose detection mechanism and a control mechanism, the unmanned aerial vehicle is installed on the unmanned aerial vehicle loading platform and can move; the unmanned aerial vehicle loading platform is on the upper surface of the suspension platform and can be suspended above the suspension platform; the pose detection mechanism is used for acquiring position attitude data, flight path and flight speed of the unmanned aerial vehicle; the control mechanism can acquire the data acquired by the pose detection mechanism, and can control the suspension platform to always hold the unmanned aerial vehicle loading platform floating with the flight of the unmanned aerial vehicle.
Owner:HARBIN INST OF TECH

Multifunctional air-ground dual-purpose agricultural unmanned airship

The invention discloses a multifunctional air-ground dual-purpose agricultural unmanned airship, and relates to the technical field of multi-mode unmanned aerial vehicles, and the multifunctional air-ground dual-purpose agricultural unmanned airship comprises an unmanned vehicle, an unmanned aerial vehicle airship, a composite hanger mechanism and a pesticide spraying transmission mechanism; the unmanned aerial vehicle airship comprises an air bag, a high-pressure pesticide spraying nozzle, a ducted wing arm, a ducted engine, a compressed gas storage tank, an airship support rod, a multifunctional sensor, a compression pump, an airship main rack and a wing arm control motor, and the compressed gas storage tank and the compression pump are arranged on the airship main rack. The unmanned aerial vehicle airship is provided with the compression pump and the compressed gas storage tank, inflation or deflation can be carried out at any time, accurate control over the flight height is improved, each unmanned aerial vehicle airship is provided with the two ducted engines, self-sustaining of the unmanned aerial vehicle airship is completed, the course and the flight attitude can be conveniently and rapidly adjusted in the air, the flight speed is conveniently controlled, and the unmanned aerial vehicle airship is convenient to use. And compared with an existing airship, the airship is higher in controllability, and accurate operation can be completed.
Owner:JILIN UNIVERSITY

Four-rotor missile wing patrol missile

The invention discloses a four-rotor missile wing patrolling bomb which comprises a patrolling bomb head, a patrolling bomb middle and a patrolling bomb tail which are arranged from front to back, a reset spring is arranged in the patrolling bomb middle in the length direction of the patrolling bomb, and one end of the reset spring is connected with the inner wall, close to the patrolling bomb head, of the patrolling bomb middle. The other end of the front locking assembly is rotationally connected with the missile wing assembly, and the other end of the front locking assembly is connected with the missile wing assembly; through the design of the reset spring and the brake locking mechanism, the missile wing assembly can be rapidly switched between the storage state and the pop-up state; the missile wing assemblies are stored before launching, so that the overall size of the patrolling missile is reduced, and transportation, storage and launching are facilitated; according to different task requirements, the rotating speed of the motor and the working state of the propeller can be flexibly adjusted, so that the flying speed, height and posture of the patrolling bomb are changed, tasks and functions of a traditional patrolling bomb can be completed, and the maneuverability and survivability of the patrolling bomb can be greatly improved.
Owner:李明阳

FIN stabilized projectile

PendingAU2025229250A1Flight velocityCartridge
The present disclosure provides a fin stabilized projectile which can accommodate subsonic and supersonic flight velocities, wherein flight performance characteristics of the projectile are stabilized. The projectile is configured to be incorporated into a sabot free cartridge, wherein the projectile can be launched from a smooth bore barrel. The projectile includes an elongate body having a diverging ogival nose section extending rearward from a leading end, a converging ogival back section terminating at a trailing end; and a tail segment having a tail fin projecting radially from the back section and extending longitudinally forward of the trailing end of the elongate body and extending longitudinally rearward of the trailing end of the elongate body.
Owner:CROSSBULLET LLC

Angle adjusting method and device for shooting hot spots of photovoltaic power station by using unmanned aerial vehicle

The invention discloses an angle adjusting method and device for shooting hot spots of a photovoltaic power station by using an unmanned aerial vehicle, and belongs to the technical field of image acquisition and analysis, and the method comprises the steps: S1, obtaining basic data; s2, the optimal flight height is calculated according to the focal length of the infrared camera, the flight angle, the installation angle of the photovoltaic cell panel, the illumination intensity, the solar altitude, the wind speed and the environment temperature change; s3, adjusting the pitching angle of the infrared camera according to the optimal flight height, the solar altitude angle, the illumination intensity, the wind speed, the environment temperature change, the focal length of the infrared camera and the linear distance of the starting point; and S4, calculating a shortest flight path according to the optimal flight height, the flight speed of the unmanned aerial vehicle, the shooting task time, the image resolution, the flight angle, the solar altitude angle, the environment temperature value before flight of the unmanned aerial vehicle, the illumination intensity, the wind speed and the environment temperature change. According to the invention, the hot spot detection precision can be improved.
Owner:TIANJIN FIRE SCI & TECH RES INST OF MEM

Detonation-driven device for launching high-speed moving particle swarms

The invention belongs to the technical field of impact loading and detonation driving, and particularly relates to a device for launching high-speed moving particle swarms under detonation driving. Comprising a detonator, an initiating explosive column, a waveform shaper, a main explosive column, a metal shell, a bearing plate, a flying plate, a height fixing device, a particle group, a supporting frame and a particle group separator. It can be ensured that approximate plane detonation waves are formed, the flying plate moves stably, the flying speed of particle swarms is high, and particle distribution can be preset; the device has the advantages of being small in size, convenient to move, capable of being used independently or used in a combined mode, capable of achieving similar simultaneous detonation when used in a combined mode, capable of simulating various working conditions and capable of being used in a temporary place. By means of the detonation device driven by detonation, convenience of particle swarm tests can be achieved, various experiment requirements are met, and a reliable solution is provided for the impact loading and protection technology.
Owner:BEIJING INST OF ASTRONAUTICAL SYST ENG +1

Pneumatic extended-range logistics drone

The present invention discloses an aerodynamic, range-extended logistics drone, comprising a fuselage, arms symmetrically arranged on either side of the fuselage, cabin-type struts connected to the arms, and landing gear disposed on the lower portion of the fuselage. The arms have a high-lift airfoil profile with a maximum relative thickness of 20.06% at 27.5% chord length and a maximum camber of 7.84% at 40.2% chord length. The present invention utilizes thick, high-lift wing-shaped arms, which not only provide structural support and ample internal space for the drone, but also provide the majority of the drone's lift during cruising. This significantly reduces the lift demand on the rotor power system, lowers rotor power consumption, significantly improves cruising efficiency and endurance, and increases cruising flight speed, thereby aerodynamically extending the drone's range.
Owner:HENAN AVIATION INVESTMENT GENERAL AVIATION INVESTMENT CO LTD

Launching canister of folding wing unmanned aerial vehicle

The utility model relates to the technical field of unmanned aerial vehicles, in particular to a folding wing unmanned aerial vehicle launch canister which comprises a mounting seat, a launch canister body, a first guide part, a second guide part, a first connecting rod and a second connecting rod. The piston block is connected into the launching cylinder in a sliding mode, an inner cavity of the launching cylinder is divided into two sections by the piston block, a second guide piece is arranged on the piston block, and the first guide piece and the second guide piece are matched to enable the piston block to only slide in the axial direction of the launching cylinder; according to the folding-wing unmanned aerial vehicle, through cooperation of the launching cylinder and the piston block, rapid sliding of the piston block in the launching cylinder in the axial direction of the launching cylinder is achieved, then the initial flight speed is provided for the folding-wing unmanned aerial vehicle, and through cooperation of the first guiding piece and the second guiding piece, the piston block cannot rotate when sliding in the launching cylinder; and therefore, the unification of the launching attitude of the folding-wing unmanned aerial vehicle is ensured, and the explosion probability of the folding-wing unmanned aerial vehicle is reduced.
Owner:BEIJING HAILI TIANMENG TECH CO LTD