101 results about "Dragonfly" patented technology

The invention discloses a micro-grid group operation optimization method and system based on a multi-target dragonfly algorithm, and the method comprises the steps: constructing a system model of a micro-grid cluster, and enabling the system model to comprise a plurality of micro-grids; taking the connection state of the plurality of micro-grids as a decision variable to represent the communication mode between the micro-grids; a dynamic grouping mechanism is introduced, and the connection relation of the multiple micro-grids is adjusted according to actual requirements; establishing a multi-objective optimization model, and designing operation constraint conditions; combining decision variables and constraint conditions, designing a structure-scheduling joint optimization strategy, and carrying out collaborative optimization on a micro-grid group structure and a scheduling strategy; and according to an optimization result, outputting a Pareto optimization scheduling solution set covering different operation preferences, and obtaining a low-carbon economic multi-energy-flow cooperative operation scheme of the micro-grid group. According to the method, the problems of local optimum and low convergence speed during multi-objective optimization in the micro-grid dispatching process can be solved.

The invention relates to the technical field of storage management and control, in particular to a storage park operation and maintenance management method based on digital twinning. A digital twinborn model is constructed through collected shelf position data and cargo data, and visual management of the data is realized; according to the method, warehouse-in and warehouse-out operation is executed through the AGV according to the planned optimal moving route, the weight change data of the target goods shelf after the warehouse-in and warehouse-out operation is verified, whether the warehouse-in and warehouse-out operation is abnormal or not is judged, and the accuracy of the warehouse-in and warehouse-out operation process is guaranteed; optimal temperature and humidity are searched through a dragonfly algorithm, group activities of dragonflies in the nature are simulated, a mathematical model is constructed, and an optimization result is effectively prevented from falling into local optimum; whether each piece of temperature and humidity data in the acquired temperature and humidity data set is in the optimal temperature and humidity interval is judged, the temperature and humidity state of each goods shelf is analyzed, real-time monitoring of the temperature and humidity of the storage park is achieved, and reasonable operation of the park is guaranteed.

The invention relates to an LDPC (Low Density Parity Check) quantitative hierarchical decoding working method combining an improved dragonfly algorithm with residual degradation, and belongs to the technical field of wireless communication. The method specifically comprises the steps that firstly, a pilot signal is sent by a signal source, average least square estimation of channel state information is obtained through analysis based on representation of a received signal in a time domain and a frequency domain, noise power is determined, then the pilot signal is introduced into an improved dragonfly algorithm, quantization parameter set training is carried out, and the improved dragonfly algorithm reads a sample signal to obtain the channel state information. And finally, applying the self-adaptive quantization parameter set obtained by training to a residual degradation decoding algorithm, and if a decoding result does not meet a verification equation, carrying out next iteration. The performance of the residual degradation decoding algorithm is superior to that of the DLNMS, hardware resources are saved, the decoding performance of layered quantization is improved, the decoding time is shortened, and therefore the decoding speed is increased.

The invention provides a water supply pipeline leakage detection method and device, computer equipment and a medium, and belongs to the field of pipeline leakage detection.The method comprises the steps that sample operation information of a pipeline and environment information of the environment where the pipeline is located are obtained; mapping the sample operation information and the environment information into a unified vector space by using a knowledge embedding technology, and generating a sample one-dimensional feature vector; constructing a random forest model RF, and initializing the position and speed of a dragonfly population of a dragonfly algorithm DA; optimizing RF parameters through DA iteration; and training the optimized RF model, obtaining a current one-dimensional feature vector of the pipeline, and inputting the current one-dimensional feature vector into the trained RF to obtain a classification result of the leakage degree of the water supply pipeline. Therefore, the data volume is simplified, redundant feature interference is eliminated, the data complexity is effectively reduced, the data processing efficiency and accuracy are improved, and the RF is optimized through the DA, so that the algorithm is easier to deploy.

1. Name of the Design Product: Pendant (Dragonfly and Auspicious Ruyi Brand). 2. Use of the Design Product: For wearing, decoration and collection. 3. Design Key Points of the Design Product: Lies in the combination of shape and pattern. 4. Picture or Photo that Best Illustrates the Design Key Points: Perspective view.

The utility model belongs to the field of unmanned aerial vehicles, and discloses a bionic dragonfly unmanned aerial vehicle which comprises a vehicle body, the vehicle body extends upwards in the vertical direction, the plane where the vehicle body extends completely serves as the upper surface of the vehicle body, four rotating and swinging mechanisms are movably installed on the upper surface of the vehicle body, and each rotating and swinging mechanism is movably connected with a wing. And each wing is movably connected with the upper surface of the aircraft body. According to the rotary swing mechanism, each wing swings relative to the aircraft body, the first front wing and the second front wing symmetrically swing by taking the reference surface as the reference, and the first rear wing and the second rear wing symmetrically swing by taking the reference surface as the reference; the symmetrical swing action is similar to the flapping process of wings when the dragonfly flies, so that the unmanned aerial vehicle can fly in a narrow area and can adapt to complex terrains in the narrow area compared with a fixed-wing aircraft, and the adaptability of the unmanned aerial vehicle is improved.

1. The name of the design product: handle (dragonfly). 2. The use of the design product: pot accessories. 3. The design points of the design product: in shape. 4. The picture or photo that best shows the design points: perspective view. 5. The rear view is symmetrical with the front view, and the rear view is omitted.

1. The name of the design product: electric tricycle (Hibao dragonfly 2). 2. The use of the design product: for vehicles. 3. The design points of the design product: in shape. 4. The picture or photo that best shows the design points: perspective view 1. 5. The bottom view of the design product is not a common view, and the bottom view is omitted.

1. Name of the designed product: pendant lamp accessory (dragonfly stand). 2. Use of the designed product: indoor lighting lamp accessory. 3. Design points of the designed product: in shape. 4. Picture or photo that best shows the design points: perspective view.

Methods and systems for dynamic port subdivision during link negotiation and initiation are provided. Embodiments include selecting a reference lane from port configuration information for the potential link partner; selecting a subdivision evaluation lane from the port configuration information for of the potential link partner; and comparing a GUID and port number of the reference lane with a GUID and port number of a subdivision evaluation lane. If the GUID and port number of a reference lane and the GUID and port number of a subdivision evaluation lane are not the same, embodiments include subdividing the port into a plurality of subdivided ports.

1. Name of the design product: Outdoor percussion instrument (dragonfly). 2. Use of the design product: An instrument for children to strike outdoors. 3. Design key points of the design product: Lies in the shape. 4. Picture or photo that best shows the design key points: Stereogram.

1. The name of the design product: toy (helicopter flying disc dragonfly). 2. The use of the design product: toy for entertainment and play. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view.

1. The name of the design product: face basin faucet (YT water dragonfly). 2. The use of the design product: for the opening and closing control of water flow. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view. 5. The bottom of the design product is not easy to see or not visible during use, omit the top view.

1. The name of the design product: street lamp (bamboo dragonfly). 2. The use of the design product: for road lighting and decoration. 3. The design points of the design product: in shape. 4. The picture or photo that best shows the design points: perspective view 1.

1. Name of the designed product: cup cover (bamboo dragonfly). 2. Use of the designed product: the designed product is used as a cover for a cup. 3. Design points of the designed product: in shape. 4. Picture or photo that best shows the design points: design 1 perspective view. 5. Design 1 is designated as the basic design.

The present application relates to a direct-drive dragonfly-like flapping-wing aircraft and a control method for the direct-drive dragonfly-like flapping-wing aircraft. The direct-drive dragonfly-like flapping-wing aircraft comprises: a direct-drive dragonfly-like flapping-wing aircraft body, a droplet-magnifying electrostatic driver, and a control component; the direct-drive dragonfly-like flapping-wing aircraft body comprises: a nose (1), a fuselage (2), two pairs of wings (4), and a tail (6); the droplet-magnifying electrostatic driver comprises a rigid electrode, a deformable electrode (10), and a dielectric droplet (24); the fuselage (2) is hollowed out internally. , used for placing the control components of the direct-drive dragonfly-like flapping-wing aircraft; the wings (4) are connected to the droplet-magnifying electrostatic driver via a first connector (3), and the tail wing (6) is connected to the droplet-magnifying electrostatic driver via a second connector (5); the flapping of the wings (4) and the posture of the tail wing (6) are controlled by the rigid electrodes, deformable electrodes (10) and dielectric droplets (24) of the droplet-magnifying electrostatic driver, thereby achieving the purpose of controlling the flight of the direct-drive dragonfly-like flapping-wing aircraft.

The invention discloses a component crack measuring device based on dragonfly compound eye imaging, which comprises two brackets, a distance adjusting device, a linkage structure, a triboelectric slip sensor, an elastic device and an image recognition device, and is characterized in that the two brackets respectively surround the outer side of a concrete test piece; the outer sides of the two supports are connected through a lockable distance adjusting device. The same side faces of the two supports are connected through two oppositely-arranged linkage structures. A plurality of elastic devices are arranged on the same side surfaces of the two brackets and the corresponding linkage structures, each elastic device is provided with a triboelectric slip sensor, and a friction head of the triboelectric slip sensor is propped against the surface of the concrete test piece; the triboelectric slip sensor is electrically connected with an external data acquisition module; image recognition devices are arranged on the same side faces of the two supports. According to the invention, quasi-continuous and multi-point synchronous monitoring of the width change of the concrete crack can be realized.

1. Name of the Design Product: Toy (Dragonfly). 2. Use of the Design Product: Toys for entertainment and play. 3. Design Key Points of the Design Product: Lies in the shape. 4. Picture or Photo that Best Illustrates the Design Key Points: Perspective view of Component 1.

The utility model relates to a mold pressing mold for dragonfly compound spectacle lens processing, and belongs to the technical field of dragonfly compound spectacle lens processing. The mold pressing mold comprises a mold pressing machine, a processing bin is arranged on the mold pressing machine, a pressing mold is arranged in the processing bin, and a mold structure and a control structure are arranged in the processing bin; the mold structure comprises an outer mold core fixedly mounted in the machining bin, and a mounting frame is fixedly mounted in the machining bin. According to the mold pressing mold for dragonfly compound lens processing, by arranging the mold structure and the control structure, an asynchronous motor is used as a driving source, and a threaded rod is controlled to rotate through mechanical transmission, so that two double-barrel connecting pieces are controlled to drive connecting parts to move towards the opposite sides, and then the purpose of controlling two side molds to move towards the opposite sides is achieved; and the mold structure is opened, so that the lens blank between the two side molds can be conveniently taken down, a worker can conveniently demold the lens blank, and the labor intensity of the worker is reduced.

The application discloses a vector tilting nozzle imitating a dragonfly abdomen and a working method thereof, and belongs to the field of aeroengines. The vector tilting nozzle comprises a driving box driving device (1), a vector tilting nozzle section (2), a variable cross-section nozzle section (3) and the driving device (1). The driving device (1) comprises a plurality of multi-wire driving mechanisms and a single-wire driving mechanism which are uniformly arranged in a circumferential direction and are respectively used for driving the vector tilting nozzle section to deform and the variable cross-section nozzle section to deform. The application has the characteristics of light weight, compact structure, high stealth and high mobility.

The invention discloses a PDMS / PTFE (Polydimethylsiloxane / Polytetrafluoroethylene) friction nano-generator based on a biological topological structure and a preparation method thereof. The PDMS / PTFE friction nano-generator is prepared by uniformly mixing PDMS, a PDMS curing agent, PTFE, ethanol, n-hexane and a substrate (such as wings of leaves, butterflies, dragonflies and cicadas) with the biological topological structure under a heating condition. The PDMS / PTFE friction nano-generator based on the biological topological structure can significantly improve the electric signal output performance, and has the advantages of efficient energy conversion, stable structure, wide environmental adaptability, simple preparation process, low cost and the like. The friction nanometer generator can be widely applied to the fields of energy collection, self-powered sensing, wearable equipment and the like, is suitable for various complex environments, and is easy for large-scale production.

The application discloses an electromagnetic force direct driving type dragonfly imitating flapping wing aircraft platform and a flight control method thereof, and relates to the technical fields of bionic aircraft and electromagnetic driving control. The aircraft platform comprises a body, front and rear flapping wing groups, a wing-body connecting rod, an electromagnetic driving device and a main controller. The electromagnetic driving device is composed of a driving shell, a permanent magnet and a transmission connecting rod. The main controller adjusts the amplitude, direction and frequency of the driving current of the conductive coil, generates electromagnetic force to drive the flapping wing to reciprocally flap, and realizes the controllability of the amplitude, direction and frequency. The method establishes a target speed and equivalent frequency mapping in a manual mode, calculates a frequency error based on the feedback of an inductive device, and adjusts the driving current parameters through a PID closed loop. In a target navigation task, path planning, image acquisition, obstacle detection, straight flight or obstacle avoidance branches and heading correction cycles are executed. The scheme has fast response and compact structure, and can realize stable hovering, sensitive steering and autonomous navigation.

The invention relates to the technical field of flapping wing aircrafts, in particular to a flapping wing attack angle adjustable dragonfly-imitating flapping wing aircraft and a flight method thereof. The flapping wing aircraft comprises an aircraft body, a flapping wing assembly, a universal flapping mechanism and a flapping wing driving mechanism. The aircraft body comprises an aircraft body, and the flapping wing assembly, the universal flapping mechanism and the flapping wing driving mechanism are all mounted on the aircraft body; the flapping wing assembly comprises four flapping wings, the number of the universal flapping mechanisms is four, and the four universal flapping mechanisms are connected with the flapping wings in a one-to-one correspondence mode; the flapping wing driving mechanism is connected with the universal flapping mechanism and drives the flapping wings to do flapping motion; the universal flapping mechanism can independently adjust the attack angle of the corresponding flapping wing. According to the ornithopter, on the premise that the attack angles of the four flapping wings are independently adjusted, the number of driving elements is reduced, the weight and the energy consumption of the whole ornithopter are reduced, and the maneuverability, the reliability and the cruising ability of the ornithopter are improved.

1. The name of the design product: lighter (fire-avoiding dragonfly). 2. The use of the design product: lighter for ignition. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view.

The application discloses a metasurface beamforming optimization method based on a hybrid genetic binary dragonfly algorithm (GABDA), and belongs to the technical field of computer and application, which comprises that a metasurface array is composed of 8*8 super subunits, each super subunit is composed of 6*6 units with a phase of 0° or 180°, the phase is a relative value, that is, the phase difference of two units is 180°, and the array adopts the hybrid genetic binary dragonfly algorithm to optimize a set specific waveform, in order to quickly realize a preset waveform, the metasurface units are arranged in a square vertical symmetry, and the hybrid genetic binary dragonfly algorithm is used to optimize the metasurface units. Compared with a traditional algorithm, the application has the advantages of fast convergence, high precision, and difficulty in falling into local optimization, and has a potential application prospect for the development of intelligent metasurfaces.

The application relates to the technical field of toys, and particularly discloses a bamboo dragonfly convenient to assemble, which comprises a hand rod and a blade, the blade is detachably connected with the hand rod through a connecting piece, the connecting piece comprises a base and a plug rod, an openable cover plate is arranged on the base, the blade is clamped and fixed between the base and the cover plate, the plug rod is fixed at the center of the base and is in plug-in cooperation with the hand rod, one side of the cover plate is rotationally connected with the edge of the base, the other side is provided with a bolt which is clamped and locked with a plug hole on the base, at least two groups of cover plates are symmetrically arranged on the base to ensure the rotational dynamic balance, a bending part protruding upwards is arranged at the center of the base, and the blade can automatically form a stable lift angle. The bamboo dragonfly does not need additional tools for assembly, the blade can be individually replaced when damaged, the transportation space is greatly reduced after being disassembled, the flight stability is good, and the air time is long.

1. Name of the designed product: flowerpot (dragonfly). 2. Use of the designed product: for planting plants. 3. Design points of the designed product: combination of shape and pattern. 4. Picture or photo best showing the design points: design 1 perspective view. 5. The bottom of the designed product is the part that is not easy to see or cannot be seen during use, so design 1 plan view and design 2 plan view are omitted. 6. Design 1 is designated as the basic design.

The invention discloses a crane anti-collision system based on deep learning, and the system comprises the following modules: a structured sensing module which is used for collecting multi-modal dynamic data and generating a structured state tensor; the structure self-evolution memory perception network module is used for constructing a dynamic structure diagram and outputting a state structure representation diagram and a danger trend path sequence based on time sequence association between a historical state and a current structured state tensor; the improved dragonfly algorithm intervention optimizer module is used for initializing a search space, generating hook track candidate paths of a plurality of dragonfly individuals, executing track evolution and screening an optimal hook collision avoidance path; the control parameter generation module is used for analyzing the optimal hook collision avoidance path into a group of control intervention parameters; and the feedback updating module is used for collecting action feedback data and realizing closed-loop adaptive optimization. According to the invention, the structure self-evolution memory sensing network and the improved dragonfly algorithm intervention optimizer are combined, so that the crane collision avoidance path is intelligently generated.

1. Name of the product in this design: Wallpaper (Bamboo Shadow and Dragonfly Tracks). 2. Purpose of this design: for interior wall decoration. 3. The key design feature of this product is its pattern. 4. The image or photograph that best illustrates the design's key features: the front view. 5. This design is a thin product, so the left view is omitted; this design is a thin product, so the right view is omitted; this design is a thin product, so the top view is omitted; this design is a thin product, so the bottom view is omitted; the back of this design is a part that is not easily seen or cannot be seen during use, so the rear view is omitted. 6. This design is a planar product with continuous, undefined boundaries on both the left and right sides.

1. Name of the product in this design: Pendant (Light-Dragonfly). 2. Purpose of this design: For use as a decorative pendant. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: 3D rendering 1.