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229results about How to "Precision landing" patented technology

Image-processing-based unmanned plane accurate position landing method

The invention discloses an image-processing-based unmanned plane accurate position landing method, which comprises the following steps: (1) a GPS (global position system) satellite navigation system enables an unmanned plane to be located above a ground parking apron; (2) an air pressure height measurement gauge and a distance measurement module of an ultrasound radar are combined to control the ground clearance for the unmanned plane to land; (3) a vision module identifies a coarse positioning identification domain in real time, and combines Hough Transform and RGB mean value method and gate position identification to process a coordinate of a targeted landing point; (4) when landing of the unmanned plane meets the threshold condition of the coarse positioning identification domain, the algorithm in the step (3) is utilized to perform accurate positioning treatment on the accurate positioning identification domain; and (5) the unmanned plane is controlled for accurate landing by taking the treated deviation value as the input quantity and adopting the double PID algorithm. According to the invention, the defect that insufficient GPS accuracy of the unmanned plane causes a fault landing is overcome, the intelligence for the unmanned plane control is improved, and the cost for using an accurate sensor is greatly reduced.
Owner:GUANGDONG UNIV OF TECH

Multi-rotor unmanned aerial vehicle pose acquisition method based on markers in shape of large and small square

The invention discloses a multi-rotor unmanned aerial vehicle (UAV) pose acquisition method based on markers in shape of a large and a small square. The method is as below: first determining target markers based on the relative height of the UAV and the markers, wherein the markers comprise a small square and a large square with side length 10 times of that of the small square; second, according to the determined target markers, establishing a relationship model between a CCD camera of the UAV and the target markers; and finally, according to the established model, employing a direct linear transformation method to obtain an azimuth angle of the UAV and location information of the UAV at the corresponding time. The method can accurately obtain the pose of the UAV.
Owner:南京傲翼飞控智能科技有限公司

Quick charging system for unmanned aerial vehicle and charging method thereof

The invention discloses a quick charging system for an unmanned aerial vehicle and a charging method thereof, wherein the quick charging system and the charging method belong to the field of unmanned aerial vehicle charging. The quick charging system for the unmanned aerial vehicle comprises a supporting module, a positioning module and a charging module. The supporting module is used for assisting the unmanned aerial vehicle body in landing and supporting the unmanned aerial vehicle body. The positioning module is used for performing return positioning on the unmanned aerial vehicle body so that the unmanned aerial vehicle body lands on the supporting module. The charging module is used for controlling a charging process. The charging method according to the quick charging system comprises an unmanned aerial vehicle body returning step, an image acquiring and positioning step, a quick landing step, a charging step, etc. The charging process comprises three periods, namely pre-charging, multi-step constant-current charging and pulse charging. According to the quick charging system, the supporting module is combined with other modules for forming a complete charging system, so that the unmanned aerial vehicle body can accurately and quickly land on the supporting module, thereby greatly improving charging efficiency and realizing high autonomy and convenient use.
Owner:安徽啄木鸟智能科技有限公司

Cargo transport system and method based on unmanned aerial vehicle

The present invention provides a cargo transport system and method based on an UAV. The cargo transport system includes an UAV (50) and a vehicle (10) that can send and receive the UAV, so that cargos can be transported between the vehicle (10) and another terminal (60) by the UAV (50); the UAV (50) is provided with a navigation system that guides the UAV (50) to fly between the vehicle (10) and the another terminal (60); the vehicle (10) includes: an UAV accommodating device (40) arranged at a top surface of the vehicle (10); an UAV sending controller (20) and an UAV receiving controller (30), which are arranged at the vehicle (10); and the UAV receiving controller (30) includes an identity verification unit (301) and a short distance guide unit (302). According to the cargo transport system based on an UAV of the present invention, the sending and receiving of the UAV (50) can be controlled by the vehicle (10), and the UAV (50) is accommodated in the UAV accommodating device (40). In addition, the vehicle (10) may also provide the identity verification information and the short distance guide information to the UAV (50) by the identity verification unit (301) and the short distance guide unit (302), so that the UAV (50) can determine a target vehicle and accurately land on the target vehicle.
Owner:ZHEJIANG GEELY HLDG GRP CO LTD +1

Autonomous landing visual positioning method and system for unmanned aerial vehicle

The invention discloses an autonomous landing visual positioning system for an unmanned aerial vehicle. When the unmanned aerial vehicle is close to a landing point and enters an effective range, the relative position and attitude between the unmanned aerial vehicle and the landing point can be accurately estimated by virtue of visual computation and transmitted to a control mechanism of the unmanned aerial vehicle, so that the unmanned aerial vehicle is guided to accurately land to a designated place. The autonomous visual positioning system for the unmanned aerial vehicle, provided by the invention, comprises an unmanned aerial vehicle body, a GPS receiver and an inertia measurement device arranged on the unmanned aerial vehicle body, and an embedded image computer, wherein a photoelectric reconnaissance platform is arranged at the bottom of the unmanned aerial vehicle body; a first camera and a second camera are arranged on the photoelectric reconnaissance platform; the embedded image computer is respectively connected with the first camera and the second camera and is also connected with a flight control computer; and the flight control computer is respectively connected with the GPS receiver and the inertia measurement device.
Owner:XIAN WIDE WORLD ZENITH AVIATION TECH

Rapid taking-off and landing device of air vehicle

InactiveCN104670516ALanding autonomously, reliable and stableSolve the "single pendulum" effectArresting gearWinchTransmitter
The invention discloses a rapid taking-off and landing device of an air vehicle. The rapid taking-off and landing device comprises an onboard device and a vehicle-mounted device, wherein the onboard device is arranged at the bottom of the air vehicle, and comprises a landing convex seat, an electric winch, a pulling rope, a cord weight, a dragging ball, a ball ejector, a photoelectric receiver and a taking-off and landing controller; the vehicle-mounted device is arranged at the top of a vehicle and comprises a landing concave ground, a ball falling hole, a locking device, a detection feedback device and a photoelectric transmitter; the landing convex seat of the onboard device and the landing concave ground of the vehicle-mounted device are in a funnel shape with an upward opening, and can be embedded and matched. The taking-off and landing controller can realize rapid and accurate capturing and dragging of the landing platform moving on the ground by the air vehicle according to a photoelectric signal state without human intervention, and the reliability of the taking-off and landing as well as the transportation and fixing of the air vehicle are guaranteed.
Owner:NANJING UNIV OF SCI & TECH

Unmanned aerial vehicle real-time moving target classification and detection method based on vision

The invention discloses an unmanned aerial vehicle real-time moving object classification and detection method based on vision. The target identification is carried out by means of an advanced technology of deep learning, an unmanned aerial vehicle can accurately identify similar targets in a video through an advanced YLOv2 algorithm, and is used for carrying out statistics and marking on the similar target objects to facilitate a user's use; and after the user selects a certain specific target object in the identified target object at a ground station, the unmanned aerial vehicle system usesan ORB algorithm to extract the characteristics, and then is continuously matched with the feature of the similar target objects extracted from each frame of video, and through the combination with the motion trail trend of the selected target, the final matched specific target and the position are comprehensively obtained. The specific target recognition provides guarantee for subsequent automatic tracking of targets, precise landing, and other automated functions. The method solves the real-time airborne target recognition and detection, including the recognition of the similar target objects and the specific target object, of the unmanned aerial vehicle in a complex dynamic background, and takes into account the requirements of speed and precision detection.
Owner:南京奇蛙智能科技有限公司

Control method of accurate landing of unmanned aerial vehicle

The invention provides a control method of accurate landing of an unmanned aerial vehicle. The control method is used for controlling the unmanned aerial vehicle to reach a present landing point. The control method is characterized by comprising the following steps that 1 a sound source is placed at the landing point, regular-tetrahedron-shaped microphone arrays are placed on the unmanned aerial vehicle and a signal amplification circuit and a filtering circuit are arranged at the signal output end of each microphone; 2 GPS navigation is used for controlling the unmanned aerial vehicle to reach the range which is ten meters away from the landing point; 3 a processor on the unmanned aerial vehicle is used for calculating delay generated when sound source signals reach the second microphone, the third microphone, the fourth microphone and the first microphone; 4 the yaw angle and the pitch angle of the unmanned aerial vehicle are calculated through the processor according to the spatial geometric relationship of the sound source and the microphone arrays and delay values; 5 the unmanned aerial vehicle is navigated to the position over the landing point according to the yaw angle and the pitch angle; 6 an air pressure height sensor is used for enabling the unmanned aerial vehicle to be landed at the landing point accurately.
Owner:UNIV OF SHANGHAI FOR SCI & TECH

Unmanned plane automatic landing guiding method based on optical flow

The invention provides an unmanned plane automatic landing guiding method based on an optical flow. In the process of landing, a marker is determined by processing the real-time image shot by the camera of an optical flow module, the position and attitude of the marker relative to an unmanned plane are estimated, the relative position and attitude information are sent to a flight controller to control the unmanned plane to gradually approach the landing target, and the full-autonomous landing of the unmanned plane can be ultimately achieved. Because the unmanned plane realizes the self-positioning in the autonomous flight and landing process by a downward viewing optical flow sensor, the visual positioning of itself can be completed without a GPS. And in the case of GPS failure, the auxiliary positioning can be carried out by means of the optical flow module, so that the unmanned plane can accurately find the landing site, and the reliability of the unmanned plane landing can be improved. The method is reasonable in design, can achieve accurate landing under different conditions, and is wide in applicability.
Owner:NORTHWESTERN POLYTECHNICAL UNIV

Flight control system and method for ship-borne unmanned aerial vehicle autonomous landing

The invention discloses a flight control system and method for ship-borne unmanned aerial vehicle autonomous landing. The method comprises the steps that the precise height of an unmanned aerial vehicle can be obtained through data fusion of a laser height sensor and an atmospheric pressure altimeter, the relative positions of the unmanned aerial vehicle and a ship-borne platform can be obtained through a differential GPS, the ship-borne flight control system can work out the size of a flapped foil, the size of an elevator, the size of an accelerator and the size of a rudder according to the information and the expected flight path of the unmanned aerial vehicle, and the unmanned aerial vehicle is controlled to land according to the preset track. According to the control scheme, the height of the unmanned aerial vehicle can be obtained through data fusion of the laser height sensor and the atmospheric pressure altimeter; compared with a traditional atmospheric pressure altimeter, the height is measured more rapidly and more accurately; compared with a traditional single-input and single-output controller, a total energy control system with pitch angle negative feedback is adopted for the flight control law, and the height and the speed are more precisely controlled; compared with a total energy control system with no pitch angle negative feedback, the flight control system has the advantages that the glide and landing attitudes of the unmanned aerial vehicle can be controlled, and the flight safety of the unmanned aerial vehicle is ensured.
Owner:NANJING UNIV OF AERONAUTICS & ASTRONAUTICS

UAV (unmanned aerial vehicle) landing method and system

ActiveCN106774423ARealize precise landingLanding achievedPosition/course control in three dimensionsFlight heightUncrewed vehicle
The invention discloses a UAV (unmanned aerial vehicle) landing method and system. The method comprises steps as follows: the flight height of a UAV is acquired; a template image corresponding to the flight height is acquired according to the flight height of the UAV; a scene picture is shot by a camera device of the UAV, and the shot picture is acquired; the shot picture is matched with the template image corresponding to the flight height, and the position where the UAV deviates from the target landing site is obtained; the UAV is controlled to fly to the target landing site on the basis of the position where the UAV deviates from the target landing site and controlled to land at the target landing site. By means of the UAV landing method and system, the UAV accurately lands without GPS positioning or position estimation.
Owner:EHANG INTELLIGENT EQUIP GUANGZHOU CO LTD

Vehicle-mounted multifunctional platform of unmanned aerial vehicle

The invention discloses a vehicle-mounted multifunctional platform of an unmanned aerial vehicle. The vehicle-mounted multifunctional platform of the unmanned aerial vehicle comprises a multifunctional platform bin detachably connected with a roof of the vehicle. A movable bin door is arranged on the top of the multifunctional platform bin and connected with the side wall of the multifunctional platform bin through a bin door control mechanism. A plurality of undercarriage lock control mechanisms are arranged at the bottom of the multifunctional platform bin. The bin door control mechanism and the undercarriage lock control mechanisms are connected with a control circuit board through data lines. The control circuit board is connected with a power source through an external power connection line and connected with a remote control operation terminal via electric signals. The vehicle-mounted multifunctional platform of the unmanned aerial vehicle has the characteristics that the unmanned aerial vehicle can fly at any time, assembling is not needed, the vehicle-mounted multifunctional platform is convenient to carry and transport and can be fixed to a luggage carrier on the roof, all-weather storage is achieved, and the platform can contain a plurality of unmanned aerial vehicles; a controller can follow the unmanned aerial vehicle after the unmanned aerial vehicle takes a flight, the unmanned aerial vehicle can fly by the maximum distance and then land automatically in a specific location, and the unmanned aerial vehicle can be charged in time when not taking a flight.
Owner:郭永

Vehicle-mounted taking off and landing platform for unmanned aerial vehicle

The invention belongs to the technical field of vehicle-mounted retracting equipment for an unmanned aerial vehicle, and particularly relates to a vehicle-mounted taking off and landing platform for the unmanned aerial vehicle. The vehicle-mounted landing platform comprises a bracket connected with a roof rack, and the bracket is provided with an unmanned aerial vehicle retracting mechanism, a battery replacing mechanism and a control mechanism correspondingly; the unmanned aerial vehicle retracting mechanism comprises an unmanned aerial vehicle accommodating bin disposed above the bracket, a slide rail is fixedly arranged at the top end of the side wall of the unmanned aerial vehicle accommodating bin, a slide cover for covering an opening of the unmanned aerial vehicle accommodating bin is arranged on the slide rail, and the slide cover is driven by a motor to slide; a bottom plate is arranged at the bottom of the unmanned aerial vehicle accommodating bin, and an electromagnet for absorbing the bracket of the unmanned aerial vehicle is arranged in the middle of the bottom plate; the battery replacing mechanism is located below the unmanned aerial vehicle accommodating bin; and the control mechanism comprises a microprocessor, and a GPS module and a radio wave transmitting module which are electrically connected with the microprocessor. The vehicle-mounted taking off and landing platform for the unmanned aerial vehicle is smooth in the unmanned aerial vehicle taking off and landing, and accurate in positioning and quick in battery replacing.
Owner:辛亚行

Vehicle-mounted unmanned aerial vehicle parking cabinet equipment

The invention discloses vehicle-mounted unmanned aerial vehicle parking cabinet equipment and an automatic battery replacement method and system. The vehicle-mounted unmanned aerial vehicle parking cabinet equipment includes a shell with the top open, an unmanned aerial vehicle parking apron, a mechanical arm and one or more charging cabinets, wherein a controller is arranged in the shell, and theunmanned aerial vehicle parking apron, the mechanical arm and the one or more charging cabinets are connected with the controller, and each charging cabinet is provided with several charging grooves.The controller monitors information of batteries in the charging grooves and controls the mechanical arm to take the batteries from unmanned aerial vehicles to vacant charging grooves and to take thefully charged batteries from the charging grooves to the unmanned aerial vehicles. Parking cabinets can assist the unmanned aerial vehicles to precisely land on the parking aprons in cabinet bodies,and then automatic replacement of the batteries is achieved.
Owner:SHANDONG UNIV

UAV image-guided landing method of unmanned ship shipborne platform

The invention relates to a UAV image-guided landing method of an unmanned ship shipborne platform. An UAV is provided with an airborne controller and an image scanner which are connected with each other, the image scanner is arranged at the bottom part of the UAV, an unmanned ship is provided with a shipborne controller and an image display screen which are connected with each other, the image display screen is arranged on the shipborne platform, the airborne controller and the shipborne controller can exchange information, and when the airborne controller receives an automatic landing instruction, accurate landing of the UAV on the unmanned ship shipborne platform is achieved through adopting the image-guided landing method. The UAV image-guided landing method can overcome waggle of the unmanned ship shipborne platform, and guide the UAV to land in a target region safely and reliably.
Owner:SIFANG JIBAO WUHAN SOFTWARE CO LTD +2

Complete autonomous super remote distance flight system for unmanned plane, and control method thereof

The invention discloses a complete autonomous super remote distance flight system for an unmanned plane, and a control method thereof. The complete autonomous super remote distance flight system for an unmanned plane includes an unmanned plane and a plurality of charging base stations. The control method of the complete autonomous super remote distance flight system includes the steps: 1) when battery capacity is less than 10%, a flight control system determines the charging base station being nearest to the unmanned plane; 2) the flight control system controls the vertical height between the unmanned plane and the charging base station within the range of h-H meter, and a camera shoots the charging base station; 3) the flight control system performs RGB identification on the shot image, and capturing a landing point; 4) the flight control system controls the unmanned plane to land, and exchanges the battery, and then controls the unmanned plane to take off again; and 5) the step 1 to the step 4 are repeated until super remote distance flight is completed. During the flying process of the unmanned plane, the flight control system monitors the battery capacity in real time, and when the battery capacity is less than 10%, the unmanned plane selects the nearest charging base station to land, and then the battery is exchanged so that super remote distance flight of the unmanned plane is realized. For the complete autonomous super remote distance flight system for an unmanned plane and the control method thereof, a solar cell panel is utilized to charge the battery, so that the complete autonomous super remote distance flight system for an unmanned plane and the control method thereof use green energy and are environmentally friendly.
Owner:南京奇蛙智能科技有限公司

Wireless ultraviolet light-based helicopter landing boosting system and landing boosting method

The invention discloses a wireless ultraviolet light-based helicopter landing boosting system. The system comprises an emission end and a receiving end; the emission end and the receiving end are communicated by an atmosphere channel; the emission end is arranged at the floor of a landing field; voice data image input equipment is integrated in the emission end and is connected with a coder; the coder is in control connection with an ultraviolet LED (light emitting diode) light source by a driving circuit; the receiving end is mounted on a helicopter and comprises a photoelectric detector connected with a photoelectric converter; the photoelectric converter is connected with voice data image output equipment by a decoder. The wireless ultraviolet light-based helicopter landing boosting system and landing boosting method have the advantages of strong antijamming capability, good hidden performance, portability, wide view field receiving and the like by using the ultraviolet communication technology, and can perform all weather operation.
Owner:XIAN UNIV OF TECH

Parachute fixed-wing unmanned aerial vehicle autonomous fixed-point recovery method

The invention provides a parachute fixed-wing unmanned aerial vehicle (UAV) autonomous fixed-point recovery method comprising the following steps: setting a recovery point and a recovery course, and judging whether the setting has recovery conditions; when autonomous recovery is needed, generating an approach descending route and making an aircraft fly along the approach descending route; generating a recovery route, and making the aircraft fly along the recovery route; correcting the recovery route according to the measured wind speed and direction on the aircraft, and making the aircraft fly along the corrected recovery route; and finally, making an engine stop and opening a parachute when the aircraft approaches the recovery point. By adopting the method of the invention, the procedure of aircraft recovery operation is simplified greatly, the operating burden of UAV operators is lightened, the autonomy of UAVs is enhanced, and the dependence of UAVs on communication conditions is reduced.
Owner:XIAN AISHENG TECH GRP +1

Accurate landing method and system for vehicle-mounted unmanned aerial vehicle

The invention discloses an accurate landing method and system for a vehicle-mounted unmanned aerial vehicle. The method comprises the following steps that a remote control terminal receives a return instruction, sends the return instruction to the unmanned aerial vehicle, and sends current position information of a vehicle; the unmanned aerial vehicle flies to be within a certain range of the position according to the position information, shoots image data containing a parking apron and sends the image data to the remote control terminal; the parking apron is provided with an unmanned aerialvehicle positioning mark; the remote control terminal receives the image data, identifies the positioning mark, and sends a control instruction to the unmanned aerial vehicle according to a positioning mark identification result; and the unmanned aerial vehicle moves or lands according to the control instruction. GPS positioning information is combined with target recognition based on deep learning, so that the landing precision of the unmanned aerial vehicle can be effectively improved.
Owner:SHANDONG UNIV

Precise landing control method for unmanned aerial vehicle

The invention discloses a precise landing control method for an unmanned aerial vehicle. The method comprises the steps that 1, the unmanned aerial vehicle executes landing preparing; 2, the unmanned aerial vehicle starts hovering and shoots a base station through a camera; 3, an unmanned aerial vehicle control system conducts denoising processing and binarization processing on a shot image, a central point is determined by adopting a central method, when the central point is marked as a suspicious point, mode recognition is conducted on the suspicious point, and when mode matching is successful, an unmanned aerial vehicle flying control system controls the unmanned aerial vehicle to land; 4, in the landing process of the unmanned aerial vehicle, the flying control system controls the flying attitude of the unmanned aerial vehicle according to the offset; 5, the unmanned aerial vehicle precisely lands on the base station for landing. According to the method, an influence of interference factors on base station seeking is reduced by adopting denoising processing, binarization processing and mode recognition, and the control precision is high; in the landing process of the unmanned aerial vehicle, the flying attitude of the unmanned aerial vehicle is adjusted in real time, and it is guaranteed that the unmanned aerial vehicle precisely lands on the base station.
Owner:南京奇蛙智能科技有限公司

Automatic landing system and method for unmanned plane

The invention belongs to the technical field of unmanned planes, in particular to an automatic landing system for an unmanned plane. The system comprises the unmanned plane and a landing platform comprising a ground wireless communication unit, a plurality of ultrasonic emission probes and supersonic wave pulse signal control units. The unmanned plane comprises an airborne radio communication unit, a supersonic wave reception probe, a supersonic wave signal processing unit and a flight control unit.The invention further provides an automatic landing method of the unmanned plane. The automatic landing system and method for the unmanned plane have following beneficial effects: by guiding of the multiple ultrasonic emission probes on the landing platform, the unmanned plane can precisely land with stable performance and high anti-interference capability by adoption of the principle that ultrasonic wave transmission speed is far lower than radio propagation speed.
Owner:马彦亭

Horizontal well landing geosteering method

The invention relates to a novel thin-interbedded horizontal well landing geosteering method. The horizontal well landing geosteering method includes the following steps: (1) constructing a horizontal well landing geosteering comparison model; (2) vertically correcting an LWD (Logging While Drilling) curve of a curve section; (3) carrying out error judgement and determining structure errors in real time by means of the fine comparison of the landing geosteering comparison model; and (4) determining a trajectory adjustment according to the structure errors scheme. The method realizes the transformation from conventional mark comparison to digitalized continuous comparison, and has the dual characteristics of real-timeliness and accuracy; and the digitized comparison profile of a landing section is established before drilling, the LWD curve is digitized in real time in the process of landing, and is finely compared with the profile after the vertical depth is corrected, the structure is corrected in real time, a result is judged according to the structure errors, the trajectory design is updated in real time, and thereby accurate landing can be realized.
Owner:PETROCHINA CO LTD +1

Helicopter guiding system and guiding method based on wireless ultraviolet light and multi-dimensional codes

The invention discloses a helicopter guiding system based on wireless ultraviolet light and multi-dimensional codes. The helicopter guiding system comprises four emitting ends and four corresponding receiving ends based on the wireless ultraviolet light and the multi-dimensional codes, and all the emitting ends and the receiving ends communicate correspondingly through atmosphere channels. The invention further discloses a helicopter guiding method based on the wireless ultraviolet light and the multi-dimensional codes. According to the helicopter guiding device and method, the ultraviolet light is used for positioning and guiding in the landing process of a helicopter, the ground gradient, wind speed, the wind direction, ground constitution, barriers and other environment information are sent to a helicopterist through the portable emitting ends to help the helicopter to land smoothly, the limitation that landing conditions are judged only by the helicopterist in the air through the eyes is broken through, a guarantee is added for safe landing of the helicopter, and the helicopterist is helped to safely and accurately land the helicopter under complex environment conditions.
Owner:XIAN UNIV OF TECH

Parachuting method and device of unmanned aerial vehicle

InactiveCN105292494APrecision landingSolved the problem of not being able to land accurately in the intended areaParachutesAerospace engineeringFlying height
The invention discloses a parachuting method and device of an unmanned aerial vehicle. The method comprises the steps of detecting the current wind speed and the current wind direction of the current environment of the unmanned aerial vehicle when the unmanned aerial vehicle enters a parachute opening zone; controlling the unmanned aerial vehicle to fly in the parachute opening zone according to the preset airline, flying height and flying speed, wherein the flying direction of the unmanned aerial vehicle in the airline is opposite to the current wind direction; determining the location of a parachuting point of the unmanned aerial vehicle, wherein the location of the parachuting point of the unmanned aerial vehicle is a preset landing location of the unmanned aerial vehicle; determining the parachute opening location of the unmanned aerial vehicle according to the current wind speed, the flying height, the flying speed and the location of the parachuting point; opening the parachute of the unmanned aerial vehicle when the unmanned aerial vehicle arrives at the parachute opening location. With the adoption of the method and the device, the problem that the unmanned aerial vehicle cannot accurately land in a preset zone can be solved, and the effect that the unmanned aerial vehicle accurately lands in the preset zone can be achieved.
Owner:STATE GRID CORP OF CHINA +1

Multifunctional submerging and floating device with unmanned aerial vehicle taking-off and landing platform

The invention discloses a multifunctional submerging and floating device with an unmanned aerial vehicle taking-off and landing platform. The multifunctional submerging and floating device comprises afloating cabin, the unmanned aerial vehicle taking-off and landing platform, a high-pressure submersible pump, a balance weight cabin and a power drive device. Solar cell panels are arranged, so thatsolar energy serves as an energy source. The multifunctional submerging and floating device is provided with an energy storage device, and an unmanned aerial vehicle, all types of instruments and equipment carried on the multifunctional submerging and floating device and submarine electronic equipment can be charged. Through the maneuverability of the power drive device, the position of the multifunctional submerging and floating device can be adjusted or the multifunctional submerging and floating device can slowly move to the designated position. The multifunctional submerging and floatingdevice is simple in structure, flexible in loading and transporting and quick to arrange; and on the base of the platform, the functions of exploration, receiving, storage, launching, object transit shipment and the like can be expanded as well, and the device is extended to be the universal type multifunctional submerging and floating device which can process all types of information and integrate multiple functions.
Owner:余拓

Unmanned aerial vehicle accurate landing method integrating H pattern recognition and AprilTag two-dimensional code recognition

The invention discloses an unmanned aerial vehicle precise landing method integrating H pattern recognition and AprilTag two-dimensional code recognition. The method comprises the steps: making a target recognition image which comprises a two-dimensional code label and a target graph, and setting the target recognition image at a target landing point; controlling the unmanned aerial vehicle to stop above the target landing point, and adjusting the camera to a downward vertical direction to enable the target recognition image to appear in the view field range of the camera; and before and afterthe unmanned aerial vehicle lands to a specified height, respectively identifying the offset of the unmanned aerial vehicle relative to the target graph and the two-dimensional code label, judging whether the offset meets a preset error range value or not, adjusting the horizontal distance and the positive direction angle, and executing landing to a target landing point. Performance balance during image recognition is guaranteed, the influence of wind disturbance is avoided during landing, and high precision, stability and reliability of the whole landing process are guaranteed.
Owner:SHANDONG UNIV

Self-driving tour control system and method based on unmanned plane

The invention belongs to the distance measurement navigation application and unmanned plane technology field and discloses a self-driving tour control system and method based on an unmanned plane. The system comprises a user terminal, a vehicle roof rising and landing platform and an unmanned plane terminal. According to the system, unmanned plane high precision position determination is realized through multi-point optimization configuration UWB high precision distance measurement, an unmanned plane docking platform is constructed, autonomous docking of the unmanned plane is realized, and autonomous flight is further realized; based on the docking platform, intercommunication between the platform and a handset is further realized, and intercommunication of data and images acquired by the unmanned plane with the user handset is realized; through a connection function between the platform and the handset, accurate landing, cruising and destination picture taking of the unmanned plane can be accurately commanded by a user through a handset map; autonomous charging of the unmanned plane can be realized through platform docking. The system is advantaged in that the required equipment volume is smaller, mass is lighter, power consumption is lower, improvement of travel experience of a driver can be facilitated, and self-driving tour contents are enriched.
Owner:XIDIAN UNIV

Precise recovery method and system of electric power inspection unmanned aerial vehicle

The invention discloses a precise recovery method of an electric power inspection unmanned aerial vehicle. The method comprises the steps of: shooting an image of a landing platform according to a setperiod, and analyzing landing marks in the shot image; determining RTK (Real-Time-Kinematic) coordinates of a landing point by combining the recognized landing marks and the current RTK coordinates of an unmanned aerial vehicle; regulating the landing and flight paths of the unmanned aerial vehicle and controlling the unmanned aerial vehicle to be landed on the landing point by calculating the position deviation between the current RTK coordinates of the unmanned aerial vehicle and the RTK coordinates of the landing point after correction and the angle deviation between the nose direction ofthe unmanned aerial vehicle and the direction of the landing marks. According to the method, the visual navigation technology and the RTK differential positioning technology are combined to ensure therecovery precision of the unmanned aerial vehicle, the unmanned aerial vehicle is guided to rapidly and accurately land to the landing point by employing the differential positioning technology underthe condition that the visual navigation is invalid according to the position deviation of the current RTK coordinates of the unmanned aerial vehicle and the RTK coordinates of the landing point so as to improve the recovery speed, the precision and the stability of the unmanned aerial vehicle.
Owner:JIANGSU FRONTIER ELECTRIC TECH

Unmanned aerial vehicle accurate landing control system and method based on dynamic two-dimensional code

The invention discloses an unmanned aerial vehicle interactive accurate landing system and method based on a dynamic two-dimensional code. The system comprises an unmanned aerial vehicle and a base station, a first GPS module of the unmanned aerial vehicle collects the current position information of the unmanned aerial vehicle and transmits the current position information of the unmanned aerialvehicle to a first controller of the unmanned aerial vehicle, the first controller transmits the current position information of the unmanned aerial vehicle to a second communication module of the base station via the first communication module of the unmanned aerial vehicle, the second communication module of the base station transmits the received current position information of the unmanned aerial vehicle to a second controller of the base station, and the second controller of the base station adjusts the display quantity and the display size of the two-dimensional code according to the received current position information of the unmanned aerial vehicle to guide the unmanned aerial vehicle to stably land on a parking apron.
Owner:山东力阳智能科技有限公司
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