25 results about "Biomimetics" patented technology

The invention relates to a multi-agent-based bionic domain knowledge graph automatic construction method and system. The method comprises the following steps: constructing a bionic domain conceptual model; establishing a multi-agent system, and automatically extracting bionic entities and semantic relationships between the entities from an unstructured text; carrying out multi-dimensional collaborative verification on the extracted knowledge; based on a Delphi method consultation mechanism, collaborative decision making is carried out on verification results; and performing alignment and fusion on the verified knowledge to form a structured bionic domain knowledge graph. According to the method, three core technologies of a field fine-tuning multi-agent system, a multi-dimensional collaborative verification mechanism and Delphi method consultation decision are fused, so that automatic and high-efficiency construction of the bionic field knowledge graph is realized, and the generated knowledge graph has accuracy and comprehensiveness; the technical problems that a traditional construction method is low in automation degree and the knowledge accuracy is difficult to guarantee are effectively solved, and key knowledge infrastructure support can be provided for bionic theoretical research and technical innovation.

The application is suitable for the technical field of gear design, and particularly relates to a low-resistance gear based on the principle of bionics and a gear face design method thereof. The low-resistance gear based on the principle of bionics comprises a gear face, and the gear face is provided with streamlined grooves simulating the groove texture on the surface of shark skin for reducing the resistance during friction. The method comprises the following steps: determining the contour correlation data between a plurality of gear face feature points corresponding to a plurality of to-be-formed gear faces according to the obtained basic parameters and bionic prototype data; determining gear face bionic restriction data according to the contour correlation data between the plurality of gear face feature points and bionic low-resistance design data; and adjusting the contour parameters according to the gear face bionic restriction data corresponding to the plurality of gear face feature points to obtain processed gear face data. The application can solve the problem that the gear face of the designed gear has large sliding friction during meshing, thereby leading to low transmission efficiency.

The present application relates to the technical field of water jet propeller, and discloses a fish environmental protection type water jet propeller based on bionics, which comprises a water inlet pipeline, a water jet assembly is arranged on the water inlet pipeline, and the water jet assembly comprises a main shaft. In order to meet the dual requirements of ship propulsion and water ecological protection, the fish environmental protection type water jet propeller based on bionics is provided with the water jet assembly, the assembly drives the mounting shaft to rotate together with the main shaft, the spherical block and the conical block cooperatively drive the impeller and the propeller to run at high speed, and stable propelling water flow is formed; the straight groove, the connecting groove, the hollow drainage groove and the conical drainage groove of the drainage module constitute a closed loop flow channel, the high-energy water flow downstream of the nozzle is guided back to the inlet edge of the impeller and the propeller through the straight metal pipe and the drainage curved metal pipe, uniform backflow jet flow is formed on the surface of the blade, the bionic vortex screen is generated by the interference of the main flow, the rigid edge of the blade is covered, and small fish are guided to actively avoid.

The embodiment of the invention provides a control method, device and system for a bionic pneumatic soft hand based on an electromyographic signal, and relates to human bionics, the control method for the pneumatic soft hand based on the electromyographic signal comprises the following steps: acquiring a surface electromyographic signal of a corresponding gesture of the pneumatic soft hand; the method comprises the following steps: performing preprocessing, feature extraction and decoding on a surface electromyogram signal to obtain a motion instruction, inputting the motion instruction into a neural mimicry muscle model, calculating a tension signal, inputting the tension signal into a tension-pressure conversion model, calculating a pressure signal, and proportionally controlling the input pressure of the pneumatic soft hand according to the pressure signal. The tension-pressure conversion model is obtained by combining a Gaussian simplified model of a muscle tension and length relation with a muscle volume conservation model. According to the control method provided by the embodiment of the invention, the control accuracy can be improved, and the user experience is improved.

The invention is suitable for the technical field of safety protection equipment, and provides a trumpet-shaped bionic cobweb helmet filling structure design method, which comprises the following steps of: starting from the characteristics of a cobweb and a honeycomb structure, extracting cobweb radial lines, spiral lines and honeycomb hexagonal elements through similarity analysis, according to the bionics principle, deep analysis is carried out from structure, function and boundary similarity, cobweb features are subjected to three-dimensional processing, a winding mode is changed, the cobweb features are fused with honeycomb features to establish a three-dimensional preliminary trumpet-shaped bionic cobweb structure, element and size ranges are determined, structural parameters are optimized through a single-factor analysis method and a response curved surface method, and energy absorption performance is improved. According to the trumpet-shaped bionic cobweb helmet filling structure, the protective performance and the structural stability of the helmet can be remarkably improved.

The invention discloses a novel micro-channel type cooling structure device for a disc laser. The novel micro-channel type cooling structure device comprises a sealing cover, a heat sink, a crystal, a supporting ring and a vortex-shaped channel. The sealing cover and the shell are made of copper-tungsten alloy vortex-shaped flow channels, the main body material of the vortex-shaped flow channels is diamond, and the vortex-shaped flow channels are realized through an etching process, and the vortex-shaped flow channels have the structural advantages that water inlets are formed in the periphery and water outlets are formed in the center, so that the influence on the crystal surface shape caused by overlarge stress generated on the back surface of a heat sink during collision of a traditional jet flow structure is avoided; the light beam quality is reduced; meanwhile, the four vortex flow channels are combined with local impact, so that the fluid generates strong secondary flow and boundary layer disturbance, the convective heat transfer coefficient is increased, a circular heat source of a light spot with the diameter of 17 mm is well adapted, and compared with a traditional micro-flow-channel structure, the temperature uniformity is greatly improved. The invention has the advantage that the problems of stress deformation and non-uniform heat dissipation existing in large-area sheet crystal heat exchange are solved through a unique bionic flow channel structure.

This invention relates to the field of anchoring technology and discloses a rope-driven, plant root sheath-inspired anchoring mechanism, comprising: a hollow anchoring drill bit; and a root sheath anchoring assembly disposed inside the anchoring drill bit. The root sheath anchoring assembly includes two flexible drill rods, one end of which extends to the outside of the anchoring drill bit for reinforcing the anchoring drill bit's anchoring to the planetary surface. This rope-driven, plant root sheath-inspired anchoring mechanism, by drawing inspiration from the structural characteristics of plant root sheaths, uses flexible drill rods as anchoring components. When extended, these rods can penetrate deep into the planetary surface like plant roots. Furthermore, the barbs on the drill rod surface pop out and unfold after extension, further enhancing the anchoring force. The biomimetic design allows it to better adapt to the complex terrain and geological conditions of the asteroid surface, improving the stability and reliability of the anchoring and effectively solving the problem of weak anchoring that often occurs with traditional anchoring devices on asteroid surfaces.

This invention relates to a biomimetic brain-like synchronous localization and environmental perception method for underwater robots. The invention addresses the problems of poor visual odometry, insufficient robustness, and low accuracy in loop closure detection in existing underwater robot navigation systems. The robot first acquires environmental feature information through sonar sensors and its own motion information through navigation sensors. A local scene template is obtained by processing the sonar data using an acoustic-visual processing method. The sensor data undergoes pre-integration processing, and the processed data is used as input to a convolutional neural network to output motion displacement, thus forming the robot's perception of its own position. Finally, an empirical map integrates the above information, and loop closure detection updates the empirical map, reducing drift during robot movement and completing the construction of the empirical map. This invention belongs to the fields of bionics and motion navigation technology.

This invention discloses a biomimetic anchoring device based on a double-helix structure and an active adhesion mechanism, belonging to the technical field of biomimetic and marine engineering mooring equipment. Addressing the shortcomings of existing deep-water mooring anchors, such as large soil disturbance and easy failure of passive pull-out resistance, this invention provides a biomimetic anchoring structure adapted to complex seabed sediments. The device includes a rigid body, double-helix blades, and an active adhesion triggering mechanism. The rigid body consists of a solid bullet head, a central oval hollow structure, and a top conical structure. The double-helix blades adopt a variable pitch and variable diameter design, with evenly distributed grooves on the surface. The active adhesion triggering mechanism includes an anchor ring and an anchor ring piston structure, with a built-in drive motor and intelligent sensing and control module in the center. The device achieves low-disturbance penetration through double-helix micro-screwing and kinematic matching. Active adhesion is triggered under tension, forming a deep mechanical interlock and high-pressure consolidated soil crust with the soil, significantly improving pull-out bearing capacity. It is suitable for complex seabed sediments such as soft mud and gravel mixtures.

A biomimetic crusher blade based on the upper jaw of the longhorn beetle and its design method are disclosed, relating to the field of agricultural machinery and engineering bionics. The blade features an incline angle that slopes inward from both sides of the bottom surface, and biomimetic teeth evenly arranged at preset tooth spacing at both ends. Its contour is designed based on the upper jaw contour of the longhorn beetle, effectively disrupting the surface structure of rice straw. After penetrating the straw surface, it tears and cuts through a sliding action. This invention extracts the contour coordinates of the longhorn beetle's upper jaw to construct the geometry of the biomimetic blade, establishes a discrete element simulation model of the rice straw and the blade, and performs simulations to obtain the cutting resistance corresponding to different blade parameters such as tooth height, incline angle, and tooth spacing. Based on the simulation results, specific blade parameters are optimized and determined. This biomimetic blade can be applied to crushing rice straw, reducing cutting resistance and equipment power consumption, and improving straw crushing efficiency.

This invention discloses a biomimetic-based autonomous static cone penetration test system, comprising a controller, an upper expansion device, a loading device, a lower telescoping device, and a static cone penetration probe. The upper expansion device includes an elastic membrane surrounding a hollow cylindrical tube with permeable holes. The loading device includes four sets of hydraulic loading units. The lower telescoping device includes six radially expandable and retractable metal blades. Water is injected into the elastic membrane to cause it to expand and compress the surrounding soil, providing the reaction force required for the extension of the loading device. By controlling the four sets of hydraulic loading units in the loading device, the probe can penetrate the soil vertically and change its direction of travel. When the metal blades unfold, the bearing capacity of the soil above them provides the reaction force required for the retraction of the loading device. This invention eliminates the need for a reaction device on the ground surface and a probe rod between the loading device and the static cone penetration probe. This invention causes minimal disturbance to the surrounding environment and can be used in locations inaccessible to large machinery, expanding the applicability of static cone penetration test sites.

The invention provides a cross-scale internal cooling structured grinding wheel based on bionics, which is basically characterized in that the cross-scale internal cooling structured grinding wheel comprises a grinding wheel main body, cover plates on two sides of the grinding wheel and three bionic structure grooves on the surface of the grinding wheel, and the three bionic structure grooves are all manufactured on the surface of the grinding wheel through a laser processing technology; wherein the two types of macroscopic bionic structure grooves refer to crotch structures and carp body surface scales, are distributed in the circumferential surface and the end surface, are communicated with each other and act together, and have the effects of inhibiting flow field disturbance, improving the cooling effect and reducing grinding burns; according to the microstructure groove, the microstructure groove similar to the surface structure of the pitcher plant mouth edge is machined in the macrostructure groove by simulating the function and the structural feature of unidirectional spreading of liquid on the surface of the pitcher plant mouth edge, and the capillary wedge effect generated by the wedge feature of the microstructure is utilized; and the grinding fluid performs single-direction spreading movement on the surface under the action of the capillary wedge-shaped effect, so that the unpowered conveying of the grinding fluid on the surface of the grinding wheel is realized. The three structures form a macroscopic-to-microcosmic multi-stage transmission network, the three bionic structure grooves have a cross-scale synergistic effect, the grinding temperature of the action area of the grinding wheel and a workpiece is reduced, and efficient and high-quality grinding machining is achieved.

The present application is suitable for the technical field of spiral layered structure, and provides a suture-spiral composite plate bionic energy absorption structure which combines the advantages of layered spiral structure and suture structure. The structure comprises: a plurality of unit layer groups, each unit layer group comprising a plurality of unit layers, the plurality of unit layer groups being periodically arranged along the layering direction. According to the principle of bionics, the method of similarity analysis is used to confirm that the core is to compare the chitinous suture structure in the iron beetle with the selected elements to bionically generate a new energy absorption structure from the angles of structural similarity, functional similarity and boundary similarity. According to the structural feature extraction and spiral structure fusion of the chitinous characteristics in the iron beetle, a three-dimensional macroscopic preliminary suture-spiral composite plate bionic structure is established, and the range of each element and its size is determined for structure construction and size parameter optimization. The present application can reduce the mass of parts and improve the energy absorption efficiency.

The utility model relates to the technical field of shock absorbers, and discloses a shock absorber based on bionic structure design, which comprises a shock absorber body, and an anti-collision beam mounting plate and a longitudinal beam mounting plate which are respectively connected with two longitudinal ends of the shock absorber body, the shock absorber body comprises an outer layer and a plurality of beam-honeycomb structure units. The overall cross section of the outer layer is a regular hexagon, hollow beams are arranged at the inner corners of the regular hexagon, the bus section of each hollow beam is wavy, and the section shapes of the six side faces of the outer layer are matched with the bus section of each hollow beam; the outer layer is filled with the multiple beam-honeycomb structure units, and each beam-honeycomb structure unit comprises six hollow inner beams distributed in a regular hexagon shape and six side walls connected with the adjacent inner beams; the bus section of the inner beam is the same as that of the hollow beam; the adjacent beam-honeycomb structure units share the inner beam. The shock absorber designed according to the bionics principle forms a multi-stage energy absorption mechanism, the absorption and dispersion efficiency of collision energy is remarkably improved, and impact force transmitted to an automobile body is reduced.

This invention relates to the field of geotechnical engineering, specifically to a method for reinforcing calcareous sand based on a biomimetic tortoise-shell pattern geomembrane using layered embedding. This invention combines the biomimetic principles of tortoise-shell structures with modern geosynthetic material technology to construct a scientifically sound integrated "material-structure-process" solution, which is expected to provide a new technical approach for calcareous sand foundation treatment and promote the progress and development of marine geotechnical engineering technology.

The application provides a movable metal assembling modeling toy, which comprises a head assembly, a neck assembly, a trunk assembly, a limb assembly, a tail assembly and a shell assembly, wherein the front end of the trunk assembly is connected with the neck assembly, the neck assembly is rotatably connected with the head assembly through a first ball joint assembly, the limb assembly is hingedly installed on the two sides of the trunk assembly, the rear end of the trunk assembly is also connected with the tail assembly through a second ball joint assembly, a first magnetic control lamp assembly is arranged in the head assembly, a second magnetic control lamp assembly is arranged in the trunk assembly, and the head assembly, the trunk assembly and the tail assembly are detachably connected with the shell assembly through shell mounting parts. The application belongs to a metal assembling model which is assembled and combined by using metal sheets, screws and ball-type movable joints, and combines fashionable elements such as bionics structure, metal machinery and punk style, so that the assembling degree is high, the movability is strong, the model is beautiful and fashionable, and the playability of assembling and playing is greatly improved.

The present application relates to the technical field of sensor, in particular to a kind of polyionic elastomer pressure sensor of bionic microstructured dielectric layer.The present application first combines the principle of bionics to design the micro-cone structure of Fibonacci spiral arrangement applied to flexible pressure sensor, through the micro-cone structure dielectric layer with Fibonacci spiral arrangement, outer high and inner low, imitate the growth form of sunflower seed distribution in nature, Ensure that the dielectric layer can trigger the contact of different height microstructure gradually when stressed, so as to maintain greater linear response in wide pressure range.At low pressure, the higher micro-cone of outer ring layer on dielectric layer is first extruded, and capacitance change is generated;With the increase of pressure, the micro-cone of inner ring layer with lower height is extruded, the bionic microstructure provides greater compressibility for dielectric layer, ensures that it also has high sensitivity under high pressure, significantly improves the linear response of sensor in wide pressure range.

This invention discloses a photoacoustic spectroscopy gas detection device and method based on a biomimetic conch resonant photoacoustic cell. The core of the device is a one-piece molded biomimetic conch resonant photoacoustic cell, which employs a logarithmic spiral channel design to integrate four major functions: long optical path excitation, simultaneous monitoring of multiple gases, flow channel optimization, and noise suppression. When a modulated laser beam is incident on the spiral channel, the beam undergoes continuous total internal reflection and diffuse reflection in the spiral curved surface with a high reflectivity inner wall, significantly extending the effective optical path and greatly enhancing the photoexcitation efficiency. The generated acoustic waves propagate in the spiral channel, and their multiple resonant frequencies are matched with the optimal excitation frequencies of specific target gases, thereby achieving simultaneous monitoring of multi-component acoustic signals. Each enhanced signal is ultimately guided to a shared acoustic detector at the center of the structure. Therefore, this invention, through biomimetic principles, fundamentally reconstructs and significantly improves the performance of the core photoacoustic sensing unit at the level of synergistic interaction between light, sound, and flow multi-physics fields.

The present application relates to water treatment and environmental ecological restoration technical field, disclose a kind of bionics self-perception algicide system based on contact type algicide material, including floating platform, bionics algicide module, information acquisition module, decision module and execution module.Bionics algicide module is covalently grafted with guanidino functional group macromolecule containing positive charge on the surface of contact type algicide material, inactivate by relying on positive and negative charge physical adsorption to destroy microalgae cytoplasmic membrane.Information acquisition module obtains external water environment parameter and internal flow circulation pressure drop parameter;Decision module calculates fixed-depth target water volume and dimensionless blockage index based on input parameter;Execution module adjusts the vertical depth of the system according to electrical command, and when the blockage index is greater than the alarm threshold, drives self-maintenance device to perform physical stripping cleaning on algicide material.The present application realizes continuous contact inactivation of water layer microalgae, dynamic blockage sensing and self-adaptive maintenance of physical closed-loop operation without adding chemical reagent.

The invention relates to the technical field of sensors, in particular to a polyion elastomer pressure sensor of a bionic microstructured dielectric layer. The micro-cone structure in Fibonacci spiral arrangement is designed by combining the bionics principle for the first time and applied to the flexible pressure sensor, the growth form of sunflower seed distribution in the nature is simulated through the micro-cone-shaped structure dielectric layer with the Fibonacci spiral arrangement and the high outer portion and the low inner portion, and the flexible pressure sensor is obtained. And it is ensured that the dielectric layer can trigger the microstructures of different heights to make contact step by step when being stressed, and therefore large linear response can be maintained within a wide pressure range. Under low voltage, a micro cone with a higher outer ring layer on the dielectric layer is firstly extruded to generate capacitance change; and along with the increase of the pressure, the micro cone with the lower height of the inner ring layer is extruded, and the bionic microstructure provides higher compressibility for the dielectric layer, so that the high sensitivity is ensured under high pressure, and the linear response of the sensor in a wide pressure range is remarkably improved.

The application provides a telescopic bionic tail fin, and relates to the technical field of bionics. The telescopic bionic tail fin comprises a fish tail shell, a tail handle, and a bionic tail fin. A winding wheel is installed on a motor rotating shaft in the fish tail shell, and a steel wire connected to the front end sliding block of the tail handle is wound on the winding wheel. The rotation of the motor can change the pulling force of the steel wire on the front end sliding block of the tail handle. The rear end of the sliding block is connected to a spring fixed in the shell, and the spring provides a corresponding balance force, so that the length of the tail handle extending out of the fish tail shell can be freely adjusted. The application can be connected to the tail of a bionic robotic fish through the installation ring on the outside of the fish tail shell, and can greatly improve the motion sensitivity of the bionic fish and adjust the propulsion performance of the bionic fish during swimming.

The device is a DNARNAAvionics (DRAC) ClamSat platform modeled on Biomimetic, Object Oriented (OO) and Internet of Things (IOT) structures. This platform is for controlling the operational aspects of a nano Satellite termed a ClamSat.A ClamSat bi-valve shell uses nano hardware and OO software structures to process solar energy in a biomimetic system characterized by energy storage means. It is operationally managed by OO programs in a DNA / RNA messaging format. The Object-oriented programming (OOP) is a method of structuring a program by grouping related property-es and behaviors into individual objects. The ClamSat OO programs are structured in a class, object, and attribute model of OO DNA / RNA strands within modules will provide interfaces within and across components and subsystems and allow for adaptability and reusability over time. The device communicates wirelessly with a Command-and-Control host infrastructure.The DNA / RNA strand will have Internet of Things (IOT) touchpoints to provide information back to the ClamSat system for Command, Control and Data Handling within the platform.

The invention discloses a crop disease and insect pest recognition and classification method and system, a storage medium and equipment, and the method comprises the steps: obtaining a to-be-classified crop disease and insect pest image, and importing the to-be-classified crop disease and insect pest image into a lightweight multi-scale group attention network model based on bionics; extracting shallow-layer features and high-layer semantic features of the crop disease and insect pest image through a feature extraction network of the network model, wherein the feature extraction network comprises a shallow-layer sub-network and a high-layer sub-network; key feature aggregation is carried out on the shallow-layer features and the high-layer semantic features through an attention module of a network model, aggregated features are output, and the attention module is constructed based on a multi-scale group attention mechanism; and processing the aggregation features through a classification module of a network model, completing crop disease and insect pest classification, and outputting a corresponding classification result. According to the method, the comprehensiveness and accuracy of feature representation are remarkably improved through cooperative work of the shallow-layer sub-network and the high-layer sub-network, and the problem that calculation performance and classification accuracy are difficult to effectively balance is solved.

This invention discloses a biomimetic-based underwater structural protection device, comprising a biomimetic umbrella-shaped flow-guiding protective shell, a fully enclosed flexible skirt membrane, a biomimetic anchoring and balancing system, an airlock-type limiting and buffering component, an energy harvesting component, and a monitoring, early warning, and control module. The biomimetic umbrella-shaped flow-guiding protective shell has a layered structure, with pressure equalization chambers between layers and pressure equalization controlled through porous media throttling channels and threshold pressure balancing valves. The fully enclosed flexible skirt membrane protects the sidewalls, with a sealed lower edge, and flexibly discharges energy using pressure relief gaps and one-way pressure relief holes. The biomimetic anchoring and balancing system's anchoring and balancing components suppress off-center load drift. The airlock-type limiting and buffering component features double-door interlocking and pressure-balanced drainage to prevent backflow during transport. The energy harvesting component utilizes deformation and vibration to generate electricity for the monitoring and control unit. The monitoring, early warning, and control module provides core coordination and intelligent management, making it suitable for long-term operating underwater structures.

The invention discloses a biomechanical testing device for measuring the locking performance of a multidirectional interface between feather pieces, relates to the technical field of bionics and interface mechanics engineering, and aims to solve the problem that a special testing device and method for a locking interface of the feather pieces are lacked in the existing bionic research based on biological interface mechanics. The multi-direction interface mechanical property of the feather piece cannot be systematically extracted, and the interface locking mechanism cannot be deeply analyzed. The device comprises a shell, a rotating mechanism and a transmission mechanism, wherein the rotating mechanism and the transmission mechanism are both mounted on the shell and are driven by a motor; the rotating mechanism comprises a rotating block, a vane fixing support, a limiting fixing block and a rolling bearing. The vane fixing support is provided with a six-axis force sensor. The transmission mechanism is divided into an up-and-down assembly and a front-and-back assembly, precise movement is achieved through lead screw transmission and gear and rack transmission, and the clamping faces of the vane fixing support and a transmission block in the transmission mechanism are sunken inwards. The device is high in adaptability, can stably clamp small light and thin vanes, can realize twisting, stretching and shearing multi-direction movement, can comprehensively test various mechanical parameters such as twisting force, stretching force and interlocking force among the vanes, is high in test precision, and provides reliable support for research on mechanical properties of the vanes in the bionic field.