33results about How to "Improve landing efficiency" patented technology

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.

The invention discloses a carrier face wireless ultraviolet light unmanned aerial vehicle landing assisting system which comprises an information processing center. The information processing center is connected with receiving and sending integrated devices, environmental sensors and state sensors. The receiving and sending integrated devices are installed at the corners of a deck landing allowingarea and the bottom of an unmanned aerial vehicle. The invention further discloses a carrier face wireless ultraviolet light unmanned aerial vehicle landing assisting guide method. The problems thatan existing unmanned aerial vehicle landing assisting system is greatly influenced by the climatic environment, the successful carrier landing rate is low, electromagnetic interference exists, and equipment is complex are solved.

The invention relates to an integral hoisting process of a ship unloader. The integral hoisting process comprises the following steps: preparation before hoisting: after general assembly debugging of the ship unloader, dismounting front girder components and dividing the ship unloader into two parts for shipping; hoisting preparation of door frame, rear girder and machine room components: firstly, lightering the components to a dock A to stop, and well threading wire cables and well mounting shackles; hoisting of the door frame, rear girder and machine room components: hoisting with two main hooks of a floating crane and hoisting the components to be above an appointed track; laying the door frame, rear girder and machine room components on a track: during the process for laying the components on the track, using a chain block to protect a cart; preparation before hoisting of the front girder components; and hoisting of the front girder components (namely, general assembly of the ship unloader): well mounting the hoisting wire cables, hoisting a front girder to an appointed height to be parallel and level with a rear girder, mounting a front and rear girder hinge shaft, well threading a front girder pitching wire cable, and well connecting a front pull rod to complete hoisting of the front girder. The integral hoisting process has the advantages that the ship unloader can be used so long as slight debugging after electrifying is performed, so that manpower and material resources for on-site general assembly are saved, the integral disembarking efficiency is improved and the cost is lowered.

The invention discloses a unit half-hoisting and half-overside landing method of a ship unloader, which comprises the following steps: barge docking and floating crane hoisting, unit assembling of thefloating crane, unit assembling translation of the whole floating crane, a front girder of the ship unloader flatting, and towing of the ship unloader. The invention has the advantages that the well-debugged whole machine can be directly landed to a user dock and provides the production service for a user after being electrified and slightly debugged, a great deal of materials and manpower for final assembly on the spot are saved, the landing efficiency of the whole machine is improved, and the cost is saved.

The invention discloses a vehicle-mounted aircraft taking-off and landing device. The device comprises an airborne device and a vehicle-mounted device, wherein the airborne device is arranged at the bottom of an aircraft, and comprises a landing convex base, a traction device, a traction ball, an electric winch and a taking-off and landing controller; the vehicle-mounted device is fixed at the top of a vehicle, and comprises a landing concave lawn, a ball dropping hole, a locking device and a detecting feedback device; and the landing convex base of the airborne device and the landing concave lawn of the vehicle-mounted device are funnel-shaped with upward openings, and can fit in an embedding manner. The vehicle-mounted aircraft taking-off and landing device can realize safe and quick alignment, landing and locking of the aircraft on a moving landing platform under the condition of no person intervention, and has the automatic transportation locking and random taking-off capacity to guarantee the reliability of taking-off / landing and transportation fixation in the movement of the aircraft.

The invention discloses a vision-based multi-stage precise landing method for an unmanned aerial vehicle hangar. The unmanned aerial vehicle flies to the airspace above the hangar, a landing mark is arranged on a parking apron of the hangar, and the unmanned aerial vehicle overlooks downwards to collect images through an airborne camera and controls autonomous landing in real time: in the first stage, a square in the landing mark is obtained through image recognition, the horizontal position is adjusted, and then the unmanned aerial vehicle lands; if a square cannot be completely captured in the image during landing, entering a second stage; in the second stage, a concentric circle and a course angle reference line in the landing mark are recognized, the horizontal position is adjusted through the concentric circle, the course is adjusted through the course angle reference line, and landing continues; and when the unmanned aerial vehicle lands below the preset height threshold value, direct landing is not adjusted any more until the unmanned aerial vehicle lands on the parking apron of the hangar. According to the method, the landing point position of the unmanned aerial vehicle hangar can be accurately positioned in the whole landing process of the unmanned aerial vehicle, and the unmanned aerial vehicle is guided to realize fixed-point landing of the hangar.

The invention discloses a data processing method and device. The data processing method comprises the steps: cleaning target data from the data, wherein the target data comprise fields and values of data in the form of messages; performing de-duplication processing on the plurality of pieces of target data; and storing the multiple pieces of duplicate-removed target data in storage files of multiple tables in a landing mode at the same time, and guaranteeing that the number of the storage files is controllable and the size is balanced. The data processing method can solve the technical problems that in the prior art, only the data of a single table can be landed, and efficiency is low.

The invention discloses an aircraft landing dragging-type device. The aircraft landing dragging-type device comprises an aircraft landing supporting rod, a connecting column and a pulling rod. One end of a hydraulic cylinder is connected with a supporting rod. The other end of the hydraulic cylinder is connected with a dragging plate. The upper end of the supporting rod is connected with the aircraft landing supporting rod. The dragging plate comprises an upper supporting layer and a lower supporting layer. The lower supporting layer is arranged at the lower end of the upper supporting layer. The pulling rod is arranged at the upper end of the connecting column. The aircraft landing dragging-type device is scientific and reasonable in structure and safe and convenient to use, an aircraft landing mode is improved, the hydraulic cylinder and the dragging plate are arranged, expansion and contraction of the dragging plate are controlled through the hydraulic cylinder, self weight of an aircraft body is transferred and decomposed through the dragging plate, the dragging plate is in friction with the ground (or with a deck), dragging and landing of an aircraft can be conducted, the time of aircraft landing can be shortened effectively, the distance of landing is shortened, the maintenance times are reduced, the design is simple in structure and convenient to operate and use, and meanwhile, the efficiency of aircraft landing is also improved.

The invention provides an intelligent combined modular scene online indoor design method. The method comprises the following steps: a manufacturer uploads product component parameters and material parameters; the designer uploads illumination template parameters and combines the components, the materials and the lighting effect to manufacture an object; a brand provider adds commodity labels to the objects; a designer imports and edits a house type, and combines the house type, an object and illumination to make a 3D design scheme; a consumer builds a 3D design scheme and browses a 2D high-definition effect picture; the consumer places an order and purchases the order; a brand provider arranges delivery; generation processing by vendor. The intelligent combined modular scene online indoordesign platform has the beneficial effects that the intelligent combined modular scene online indoor design platform connected with the home product producer, the brand dealer, the designer and the consumer is provided, a path from the consumer to the producer is opened, and resource configuration is optimized; The whole home decoration design scheme is divided into the minimum units of the components, the efficiency from scheme modification to scheme landing is improved, and the design efficiency is improved.

The invention provides an automatic site selection method. The automatic site selection method comprises the following steps: S1, respectively generating corresponding region evaluation results in a predetermined range according to at least two region evaluation items; s2, generating a corresponding evaluation result layer according to the evaluation result of each region, and forming a warning region on the evaluation result layer; s3, superposing each evaluation result layer on a map, and displaying all warning areas on the map; s4, establishing a drafted area according to the new site selection project, and comparing the drafted area on a map; if the proposed area and the warning area are at least partially overlapped, warning information is prompted; and if the proposed area is not overlapped with the warning area, determining site selection. The regional evaluation result is displayed in the map after being imaged, subsequent site selection only needs to be automatically comparedand detected in the region, and a site selector only needs to execute a corresponding instruction according to the warning information, so that repeated argumentation of the same item is avoided, theproject landing efficiency is improved, and waste is reduced.

The invention discloses an unmanned aerial vehicle take-off and landing course correction method and system, relates to the technical field of unmanned aerial vehicle take-off and landing, and comprises a take-off course correction method and a landing course correction method. The take-off course correction method comprises the following steps: step 1, opening a nest top cover and obtaining an initial direction north-to-east alpha 1 angle and a wind direction information north-to-east beta angle of a rotating platform, and step 2, calculating a take-off course correction angle of the unmanned aerial vehicle by the rotating platform according to a difference value theta = beta-alpha 1; 3, rotating the rotating platform until the difference value theta is equal to beta-alpha1lt; at 1 degree, sending a take-off instruction to the unmanned aerial vehicle through the nest; 4, after the unmanned aerial vehicle receives the takeoff instruction, the takeoff process is completed according to the standard takeoff process; the course correction strategy of the method is implemented in a nest control structure, the course of the unmanned aerial vehicle can be in a windward position in the stage that the unmanned aerial vehicle prepares to take off, and the wind resistance of the unmanned aerial vehicle is utilized to the maximum extent during take-off.

The invention provides a large-scale industrial data compression and storage method and system and a medium, and the method comprises the steps: 1, configuring different data collection systems according to the types of data sources, and extracting the data collected by the data collection systems through interface operation; 2, defining a conversion chain, and temporarily converting the formats of the extracted different types of data into an Avro format through a data cleaning plug-in; and 3, compressing the data in the Avro format by using a GPL protocol, the compression format being snappy, creating a data set in which parquet is used as a storage format in the distributed file system, and storing the compressed data. Conversion chains and compression and storage formats can be definedfor any type of data, and the data processing speed and the data compression ratio of the computing platform are greatly increased.

The invention discloses a precise landing control method for an unmanned aerial vehicle. The method comprises the following steps that S1, the unmanned aerial vehicle receives a landing instruction and flies to an overhead area of a landing platform; S2, the control terminal starts a positioning sensor group to control the unmanned aerial vehicle to reach a preset vertical area of the landing platform; S3, the horizontal position of the unmanned aerial vehicle is adjusted to be consistent with the landing area of the landing platform till the unmanned aerial vehicle receives a descending instruction of the control terminal; and S4, after it is detected that the unmanned aerial vehicle lands on the landing platform, driving of the unmanned aerial vehicle is stopped, and landing is completed. According to the method, obstacle avoidance and accurate landing are achieved without other auxiliary equipment, and the situation that the unmanned aerial vehicle collides with the landing platform in the landing process, damage is caused, and the service life of the unmanned aerial vehicle is affected can be avoided; and meanwhile, landing efficiency is effectively improved.

The invention belongs to the field of unmanned aerial vehicle control systems and methods, and particularly relates to an unmanned aerial vehicle autonomous landing system and method based on monocular vision. The method comprises the steps of: by adopting a monocular camera mounted at the lower position of the unmanned aerial vehicle body and the gravity characteristic of the monocular camera, capturing the ground environment image below the unmanned aerial vehicle; adopting an OpenCV computer vision library to achieve identification of image features to obtain the image features; and searching the safe landing area through a designed maximum inscribed square search algorithm, continuously outputting coordinates of a priority landing area to an unmanned aerial vehicle controller in real time, and guiding the unmanned aerial vehicle to land to a target area. The unmanned aerial vehicle autonomous landing system and method have high environmental adaptability, the real-time performanceof the system is improved, electric power is saved, and the requirement of the unmanned aerial vehicle for the cruising ability is met. According to the unmanned aerial vehicle autonomous landing system, comprehensive performance improvement of the unmanned aerial vehicle autonomous landing system can be achieved, the applicability, practicability and real-time performance of the system are improved to a great extent, and the unmanned aerial vehicle autonomous landing system has the high engineering application value.

The invention discloses a method and system for guiding an unmanned aerial vehicle to land accurately, and relates to the field of unmanned aerial vehicle control. The method comprises the steps of obtaining position information of a parking apron through a second positioning beacon, planning a flight route according to the position information and the position of an unmanned aerial vehicle, flying to a preset place according to the flight route, and according to the relative position of the preset place and a first positioning beacon on the parking apron, planning a landing route of the unmanned aerial vehicle. According to the scheme, the landing route of the unmanned aerial vehicle is planned through long-distance return route planning of the second positioning beacon and the position where the unmanned aerial vehicle is located, the landing route of the unmanned aerial vehicle is planned according to the relative position of the preset place and the first positioning beacon on the parking apron, and close-range guiding is achieved, the unmanned aerial vehicle automatically and accurately lands, and accurate landing can also be achieved in a large number of small-area parking aprons.

The invention relates to an unmanned aerial vehicle landing control method and device, a storage medium and electronic equipment, and the method comprises the steps: responding to a received landing request of a target unmanned aerial vehicle, and obtaining the flight information of a preceding unmanned aerial vehicle, wherein the preceding unmanned aerial vehicle is an unmanned aerial vehicle sharing the same parking platform with the target unmanned aerial vehicle, and the flight information comprises the moment when the preceding unmanned aerial vehicle leaves the parking platform after completing landing; determining a target space sub-region where the target unmanned aerial vehicle is located in a landing airspace corresponding to the parking platform, the landing airspace comprising a plurality of space sub-regions which are not overlapped with each other; and under the condition that the preceding unmanned aerial vehicle does not leave the parking platform, controlling the target unmanned aerial vehicle to pass through the target space subarea to land on the parking platform according to the flight information, so that the moment when the target unmanned aerial vehicle lands on the parking platform is later than the moment when the preceding unmanned aerial vehicle leaves the parking platform.

The invention discloses a cliff landing device. The cliff landing device comprises a fixing frame, a swing frame, an angle adjusting device, a locking mechanism, a position adjusting device rope bodyand a slow landing mechanism, wherein the fixed frame is fixedly connected with the cliff, and the swing frame is hinged with the fixed frame; the angle adjusting device is used for adjusting the swing angle of the swing frame relative to the fixed frame; the locking mechanism is used for locking the rotating position of the angle adjusting device; the position adjusting device is connected with the swing frame and provided with a sliding piece moving relative to the swing frame, one end of the rope body is connected with the sliding piece, and the other end freely falls to the ground; and theslow descending mechanism winds around the rope body and can move up and down along the rope body within a limited speed. The problems that a rope body on a cliff has nowhere to be fixed and speed reduction is too fast and unsafe are solved, a user can safely land to the ground from a high position, the landing speed can be adjusted through the extending amount of the rotating vanes, and the speed, safety and efficiency of landing from the high position are greatly improved.

The invention discloses a network topology structure of a converter station, a power conversion method of an electric vehicle and the battery swap station. The structure is characterized in that the network topology structure of the battery swap station comprises a three-layer switch, an electric vehicle battery swap module, at least one battery pack charging cabinet, a control module and a communication module; the electric vehicle battery replacing module, at least one battery pack charging cabinet, the control module and the communication module are electrically connected with the three-layer switch; each battery pack charging cabinet comprises a charging switch and a plurality of integrated control panels, the charging switch is electrically connected with the three-layer switch, and the plurality of integrated control panels are electrically connected with the charging switch respectively. According to the network topology structure of the battery swap station, the station fallingefficiency can be greatly improved, the reliability and safety of network communication of the battery swap station are improved, the outdoor arrangement of the battery swap station can be facilitated, and resource waste is reduced.

The invention discloses an image-text live broadcast system based on a community function, and the system is characterized in that the system comprises a background live broadcast management module, an image-text publishing module, a live broadcast interaction module, a live broadcast data storage module, a live broadcast related information recommendation module, a live broadcast data statisticsmodule, a server module, and a communication module; the background live broadcast management module, the image-text release module, the live broadcast interaction module, the live broadcast data storage module, the live broadcast related information recommendation module and the live broadcast data statistics module are in data communication with the server module through the communication module. The method has the advantages that the landing efficiency of the scheme is greatly improved, the part related to user interaction is a community interaction function, extra guidance and training donot need to be carried out on the use habits of the users, and the method is easy to master; on the basis of the http short connection, the method can normally operate even in an environment with a poor network, and if capacity expansion needs to be performed, capacity expansion of the http service is also very simple.

The invention discloses an unmanned aerial vehicle landing method based on an unmanned aerial vehicle automatic hangar, and relates to the field of unmanned aerial vehicles. The method comprises the following steps: a man-machine automatic hangar automatically generates an unmanned aerial vehicle landing instruction; the automatic hangar door of the unmanned aerial vehicle automatically opens andcloses; a transplanting jacking mechanism is automatically lifted and descended to a corresponding position; a locking device automatically unlocks and locks an unmanned aerial vehicle storage unit; the unmanned aerial vehicle is automatically landed; and the transplanting jacking mechanism automatically moves the unmanned aerial vehicle storage units out of and into corresponding unmanned aerialvehicle storage areas. Automatic and intelligent landing of the unmanned aerial vehicle is achieved through the automatic and intelligent operation, the position of the unmanned aerial vehicle can beautomatically adjusted and corrected, the situation that a large number of traditional workers participate in the landing process is avoided, the landing efficiency of the unmanned aerial vehicle is improved, the probability of landing faults is reduced, and meanwhile, the landing position of the unmanned aerial vehicle can be automatically corrected and adjusted.

The invention discloses an ultra-short-distance landing system of a fixed-wing unmanned aerial vehicle, and particularly relates to the shortening of a skating distance after the fixed-wing unmanned aerial vehicle flies and lands. According to the system provided by the invention, in an electromagnetic field environment, the fixed-wing unmanned aerial vehicle generates Ampere force through skating, so that the fixed-wing unmanned aerial vehicle quickly slows down and stops stably in an ultra-short distance. The ultra-short-distance landing system of the fixed-wing unmanned aerial vehicle comprises a composite power supply module, the fixed-wing unmanned aerial vehicle, an airborne ampere force generating device, an airborne ampere force generating device control module, an airborne signal receiving device, a ground sensor device, a ground signal transmitting device, a ground magnetic field generating device and a ground magnetic field generating device control module. The composite power supply module provides a stable high-current large-turn rectangular circuit for the frame of the wing of the fixed-wing unmanned aerial vehicle, the fixed-wing unmanned aerial vehicle lands in the environment of the ground magnetic field generating device, the wing continuously cuts the magnetic field, Ampere force opposite to the skating direction is generated, and acceleration opposite to the movement direction is provided, so that the effect of rapid short-distance arresting is achieved. The ultra-short-distance landing system for the fixed-wing unmanned aerial vehicle has the advantages that the effective acceleration is large during landing, the deceleration effect is outstanding, the landing effect is improved, and the landing time is shortened.

The invention discloses a boost ski-jump type takeoff and landing method for carrier-based aircrafts on aircraft carriers, and belongs to the technical field of ski-jump type takeoff and landing methods for carrier-based aircrafts on aircraft carriers. The boost ski-jump type takeoff and landing method has the advantages that the problems in the aspect of the thrust weight ratios of engines of totally-mounted carrier-based aircrafts on existing aircraft carriers during ski-jump type takeoff can be solved by the aid of the boost ski-jump type takeoff and landing method, and the carrier-based carriers can be effectively and safely landed; high-power air compressors which can be manipulated by laser trackers are arranged under parabolic warping forecastle decks of the aircraft carriers, high-pressure airflow can be generated by the high-power air compressors, and the carrier-based aircrafts with thrust components can be boosted to be taken off; certain elevation angles are formed from starting points to end points of landing decks with the aircraft carriers, electromagnet sets are mounted on glide tracks, and the speeds of the carrier-based aircrafts with brake warping plates can be reduced by the high-pressure airflow, so that the carrier-based aircrafts can be landed; principles for the boost ski-jump type takeoff and landing method are simple, facilities for the boost ski-jumptype takeoff and landing method are simple and are reliable in performance, and the fully-mounted large carrier-based aircrafts, carrier-based early warning aircrafts and heavy fighter aircrafts can be safely taken off from the aircraft carriers and can be safely landed on the aircraft carriers.

The embodiment of the invention discloses an aircraft landing method, an aircraft and a hangar, and belongs to the field of intelligent equipment control. After the hangar receives the landing request signal, a hangar door in a closed state is switched from a closed state to an open state; the aircraft identifies the preset patterns arranged on the top of the hangar and the hangar door in the open state, and an identification result is obtained; and determining a landing mode of the aircraft on the hangar according to the identification result. According to the scheme, the autonomous landing efficiency of the aircraft is improved.

The invention provides a large-scale industrial data compression storage method, system and medium, including: step 1: configuring different data acquisition systems according to the type of data source, and extracting the data collected by the data acquisition system through interface operation; step 2 : Define the conversion chain, and temporarily convert the format of different types of data extracted into Avro format through the data cleaning plug-in; Step 3: Compress the data in Avro format with the GPL protocol, and the compression format is snappy, and create the following in the distributed file system Parquet is a data set in a storage format, which stores compressed data. The invention can define conversion chains and compression and storage formats for any type of data, greatly improving the data processing speed and data compression ratio of the computing platform.

The invention discloses a method and system for correcting the take-off and landing course of an unmanned aerial vehicle, and relates to the technical field of take-off and landing of an unmanned aerial vehicle, including a method for correcting a take-off course and a method for correcting a landing course. The method for correcting the take-off course comprises the following steps: Step 1: Open the top cover of the machine nest and obtain the initial direction north east α1 angle of the rotating platform and the wind direction information north east β angle, step 2: The rotating platform calculates the take-off heading correction angle of the UAV according to the difference θ=β‑α1; step 3: When the rotating platform rotates to the difference |θ|=β‑α1<1°, send the take-off command to the drone through the nest; Step 4: After the drone receives the take-off command, follow the standard take-off process, The take-off process is completed; the course correction strategy of the method of the present invention is implemented in the control structure of the machine nest, which can make the course of the unmanned aerial vehicle in the windward position when the unmanned aerial vehicle is ready to take off, and maximize the use of the resistance of the unmanned aerial vehicle during take-off. wind performance.

The invention discloses a landing method for harbor mechanical equipment. The landing method comprises the steps that firstly, the harbor mechanical equipment is transported, wherein the harbor mechanical equipment is fixed to a transport vessel, the transport vessel travels to a harbor, the harbor mechanical equipment is supported by a walking trolley located on the transport vessel, and the set walking direction of wheels of the walking trolley and the length direction of the conveying vessel are crossed; secondly, an arc track is laid, wherein the two ends, in the length direction, of the arc track are located on the transport vessel and the ground of the harbor respectively, and the upper surface of the arc track forms an arc surface with a high middle and two low ends in the length direction; thirdly, the harbor mechanical equipment is pulled to be landed, wherein pulling equipment is used for pulling the harbor mechanical equipment to move towards the harbor from the transport vessel until the harbor mechanical equipment completely moves to the ground of the harbor, and the wheels of the walking trolley move on the arc track when the harbor mechanical equipment moves; fourthly, the set walking direction of the wheels of the walking trolley and the set walking direction of the harbor mechanical equipment are made consistent.

The invention relates to an integral hoisting process of a ship unloader. The integral hoisting process comprises the following steps: preparation before hoisting: after general assembly debugging of the ship unloader, dismounting front girder components and dividing the ship unloader into two parts for shipping; hoisting preparation of door frame, rear girder and machine room components: firstly, lightering the components to a dock A to stop, and well threading wire cables and well mounting shackles; hoisting of the door frame, rear girder and machine room components: hoisting with two main hooks of a floating crane and hoisting the components to be above an appointed track; laying the door frame, rear girder and machine room components on a track: during the process for laying the components on the track, using a chain block to protect a cart; preparation before hoisting of the front girder components; and hoisting of the front girder components (namely, general assembly of the ship unloader): well mounting the hoisting wire cables, hoisting a front girder to an appointed height to be parallel and level with a rear girder, mounting a front and rear girder hinge shaft, well threading a front girder pitching wire cable, and well connecting a front pull rod to complete hoisting of the front girder. The integral hoisting process has the advantages that the ship unloader can be used so long as slight debugging after electrifying is performed, so that manpower and material resources for on-site general assembly are saved, the integral disembarking efficiency is improved and the cost is lowered.