47 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 invention relates to the field of neural network bionics, in particular to a bionic neural network construction method and system, and the method comprises the steps: obtaining a fluctuation threshold value of each neuron cell, and expanding an input dimension for each neuron cell according to the fluctuation threshold value; establishing a corresponding forward network for each neuron cell, and performing network delay dimension expansion on each neuron cell according to the time delay value of each directed edge in the process of establishing each forward network; performing sample recombination on the input sample according to a dimension expansion result; and the weight of the fluctuation threshold input dimension is fixed to train the bionic neural network to be trained. Compared with the prior art, the method has the advantages that the input dimension is expanded for each neuron cell through the fluctuation threshold, and the network delay dimension expansion is carried out on each neuron cell containing the fluctuation threshold; and the trained bionic neural network can better utilize the fluctuation threshold and the network after delay dimension expansion of each neuron cell network to realize quantification and simulation of the biological neural network.

The invention discloses a structured surface based on bionics and an optimization method thereof, and belongs to the technical field of thermal management, and according to the structured surface based on bionics and the optimization method thereof, through the multistage microstructure design of bionic ruellia grass blades, hexagonal columnar infinitesimal elements and conical mastoids are creatively fused, and collaborative optimization of wettability and boiling heat transfer performance is achieved. The I-level infinitesimal structure forms uniform fluid infusion microgrooves through a hexagonal columnar array, the surface roughness is remarkably improved, on the basis, the II-level infinitesimal structure adds a conical mastoid of a plane structure to the top of a columnar infinitesimal, the pinning effect is weakened through 5-micron round corner treatment, the apparent contact angle is further reduced, and the spreading diameter is further increased. According to the multi-stage structural design, vertical transportation of liquid is promoted through the capillary action and the Laplace pressure difference, the motion resistance of liquid drops is reduced through the smooth edge, the spreading limitation of a traditional structured surface is broken through, and a better wetting condition is provided for boiling heat transfer.

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.

The invention relates to the field of bionics, and particularly discloses a bionic butterfly structure optimization design method based on a finite element method.The method comprises the following steps that S1, the flight attitude of a butterfly is observed, and flight data are recorded; s2, establishing a simplified three-dimensional model of the butterfly wings; s3, establishing a simplified three-dimensional model of the butterfly wing connecting piece; s4, carrying out topological optimization on the model by taking the minimum volume as a target; s5, performing model arrangement on an optimization result; and S6, performing finite element analysis on the wing connecting piece and the whole wing to obtain a final finite element result. According to the bionic butterfly structure optimization design method based on the finite element method, the flight key data of the butterfly can be accurately captured, and accordingly, a wing and connecting piece model fitting the reality is built. Through topological optimization, model arrangement and finite element analysis, the flight efficiency and the structural reliability of the bionic aircraft are effectively improved, the energy consumption is reduced, the mass is reduced, and efficient and stable flight is realized.

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.

A pulsed biomimetic antenna element and array, belonging to the field of antenna technology, solves the problem of how to design a pulsed biomimetic antenna with low RCS. The radiating layer of the antenna element includes n transverse S-shaped pulsed biomimetic microstrip lines and n longitudinal S-shaped pulsed biomimetic microstrip lines, forming an n×n square uniform array radiating layer. Each S-shaped pulsed biomimetic microstrip line is formed by horizontally connecting n S-shaped pulsed biomimetic structures end to end. The S-shaped pulsed biomimetic structure is formed by shifting the upper semicircle of a circular microstrip line of radius R to the right by twice the radius R relative to the lower semicircle. The n transverse S-shaped pulsed biomimetic microstrip lines... 2 The center point of each S-shaped vein-like biomimetic structure corresponds to n in the longitudinal S-shaped vein-like biomimetic microstrip line. 2 The center points of the S-shaped pulsation biomimetic structures coincide, and n is an integer greater than or equal to 2. The pulsation biomimetic antenna of this invention effectively reduces the RCS and fills the gap in biomimetic research on low RCS of large-scale array antennas.

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 invention discloses a preparation method of a sealing strip for an anti-noise automobile window imitating dragonfly wing characteristics. The preparation method comprises the following steps: S1, extracting bionic characteristics: acquiring saw-toothed structures at the front edges of dragonfly wings and boss texture structure characteristics of wing surfaces; s2, designing a bionic structure of the sealing strip: designing a micro-sawtooth structure on the upper edge of the sealing strip, and designing a multilateral boss array structure on the inner surface of the sealing strip; s3, laser micromachining is conducted, specifically, a micro-sawtooth structure and a multilateral boss array structure are machined on the upper edge and the inner surface of the sealing strip correspondingly; s4, verifying the noise reduction performance; and S5, friction abnormal sound testing. The design principle is based on cross innovation of a bionics theory and a precision laser processing technology, and noise reduction optimization of the automobile sealing strip is achieved through function deconstruction and engineering reconstruction of dragonfly biological characteristics. The sealing strip has the composite protection function of aerodynamic noise reduction and mechanical vibration damping under the dynamic working condition through double bionic effect and friction coefficient optimization.

The invention relates to the technical field of thermal management, in particular to a bionic micro-channel heat dissipation liquid cooling plate which comprises a substrate, and a combined heat dissipation assembly is installed on the substrate. The combined heat dissipation assembly comprises a bionic structure channel, a base plate and a box type heat conduction assembly, the bionic structure channel is arranged on the substrate, the base plate is installed on one side of the bionic structure channel, the box type heat conduction assembly is fixedly connected with the base plate, the box type heat conduction assembly is filled with a water cooling medium, and a protruding block is installed on the side, away from the base plate, of the box type heat conduction assembly. The bionic structure channel comprises a first-stage flow channel, second-stage flow channels and third-stage flow channels, the first-stage flow channel is communicated with the multiple second-stage flow channels, and every two adjacent second-stage flow channels are communicated through the corresponding third-stage flow channel. The technical problems that after an existing vein-like heat dissipation structure transmits heat to surrounding air, the heat conduction efficiency is reduced, the heat is gathered around the heat dissipation structure, the temperature difference between the heat dissipation structure and the surrounding contact environment is reduced, and consequently the cooling speed is reduced are solved.

The invention discloses a gate base leakage diagnosis device and method fused with elastic wave sensing, and relates to the technical field of gate base leakage diagnosis. Elastic wave characteristics, fluid pressure data, water flow velocity data and temperature data of the target area in the current period are collected according to a calibration sampling strategy; and carrying out feature level fusion on the elastic wave features, the fluid pressure data, the water flow velocity data and the temperature data of the current period to obtain an enhanced fusion feature vector. According to the method, dynamic self-adaption of the sampling frequency is achieved by forming a dynamic self-adaption monitoring closed loop, and compared with a global coverage mode of inherent sampling frequency of a traditional monitoring mode, sufficient sampling data of a high-risk area is guaranteed by adjusting a targeted sampling strategy, so that the sampling efficiency of the high-risk area is improved. Therefore, the accuracy of the diagnosis result and the diagnosis efficiency are effectively improved.

The utility model belongs to the technical field of fluid pipelines, and particularly relates to an industrial anti-backflow water supply pipeline based on bionic design. According to the technology, a pipeline body is included, a plurality of supporting structures are fixed to the inner wall of the pipeline body in the circumferential direction, a valve structure is arranged on each supporting structure, and the supporting structures and the valve structures swing in the water flow direction to form a water flow channel under the downstream working condition; under the countercurrent working condition, the supporting structure and the valve structure swing in the water flow direction, so that the edge of the valve structure is tightly attached to seal the water flow channel. Based on bionic design, a rapidly-formed hard material serves as a supporting framework, a soft material valve serves as a flow guide body, the supporting framework and the supporting structure support the valve, the supporting framework and the supporting structure jointly play a role in backflow prevention, meanwhile, the capacity of the water supply pipeline for bearing higher-strength water flow is effectively improved, and the service life of the water supply pipeline is prolonged. And the valve is prevented from being damaged, excessively deformed or integrally crushed in the use process.

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 present disclosure relates to relates to a biomimetic lightweight wearable suit and wearable suit design method, particularly to a biomimetic lightweight wearable suit that includes a suit portion that covers a body region from the knee to the sole of the foot; a force transmission pattern portion that surrounds around joints and muscles by mimicking a tendon to disperse a force of an actuator to a garment and a body; and an anchor point portion that is designed to surround a joint by mimicking a ligament.

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.

According to the novel method for preparing the bionic flexible strain sensor, the preparation parameters of the graphene are predicted by utilizing machine learning in artificial intelligence, so that the experiment efficiency is improved. The laser-induced graphene (LIG) with excellent performance is prepared by utilizing predicted data; in order to increase the toughness of LIG, the prepared LIG is mixed with silica gel (Ecoflex) to prepare an LIG / Ecoflex film. By studying natural bionics, it is determined that a spider web structure serves as a bionic structure, a novel construction method of the spider web structure is provided, and according to the method, a carbon dioxide laser and a fiber laser (C-FL for abbreviation) are adopted for combined action; the C-FL method can solve the problems that a carbon dioxide laser construction structure is rough and a fine structure is constructed in a small area. The whole sensor is simple in manufacturing process, economical and durable, and can be prepared on a large scale. The device can be used for detecting stretching and bending of human joints, and has certain potential in the directions of medical treatment, motion detection, man-machine interaction and the like.

This invention discloses a biomimetic surface for use in micro crawling robots and its preparation method, belonging to the field of biomimetic technology. It employs MEMS photolithography to prepare a silicon-based template and uses polydimethylsiloxane to replicate the structure to obtain the biomimetic surface for micro crawling robots. Based on the structure of a tree frog's foot, this invention prepares an anisotropic, high-friction biomimetic surface. Compared to a bare surface, this biomimetic surface has a 10-fold increased coefficient of friction. When this biomimetic plane is bonded to the leg structure of a micro robot, actual testing shows that the micro robot's maximum speed without the biomimetic plane can reach 25 times its body length per second, while with the biomimetic plane, its maximum speed can reach 50 times its body length per second or even higher, representing a 100% increase in speed and a significant performance improvement.

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.

This invention provides a brake disc structure with biomimetic snake-shaped and fish-scale heat dissipation ribs coupled with heat pipes, belonging to the field of automotive brake disc thermal management technology. It includes heat pipes, flow channel heat dissipation ribs, and brake discs. The snake-shaped flow channel heat dissipation ribs extend radially. The heat pipes and flow channel heat dissipation ribs are embedded between upper and lower brake discs. Several layers of stacked biomimetic fish-scale scales are arranged on the opposite surfaces of the brake discs. Several heat pipes and flow channel heat dissipation ribs are provided, and these ribs are evenly distributed circumferentially on the brake discs. The heat pipes are located between adjacent flow channel heat dissipation ribs. The flow channel heat dissipation ribs have a biomimetic snake-shaped structure. Through the integration of biomimetic principles and composite heat dissipation technology, a multimodal collaborative thermal management system is constructed. During braking, the flow channel heat dissipation ribs and fish-scale heat dissipation ribs enhance the heat exchange efficiency between the brake disc and the air, forming a highly efficient heat conduction and heat dissipation channel.

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.

The invention discloses a rod-based ceramic lattice structure adopting a bionic variable cross-section, a preparation method and application, according to a bionic principle, bamboo characteristics are extracted, a bionic variable cross-section rod is designed, a structural unit of the rod is of a structure with a thin middle and two thick ends, and two structural parameters are introduced to describe the topological structure; constructing dot matrix unit cells by using a bionic variable cross-section rod, and obtaining a dot matrix through an array; establishing a three-dimensional model of the dot matrix and storing the three-dimensional model in an STL format; importing the model into a 3D printer, and preparing a ceramic dot matrix by using a photocuring additive manufacturing technology; the quasi-static compression performance of the ceramic dot matrix is researched by adopting a method of combining finite element numerical simulation and real testing. Through bionic design, the mechanical property of the ceramic dot matrix is improved, and the problems that a traditional porous ceramic structure is complex in process, poor in designability and low in performance predictability are solved. The material can be used as a damping and explosion-proof material in the fields of aerospace, ship industry, metallurgy and chemical industry.