18 results about "Biological simulation" patented technology

The invention discloses an interactive humanoid robot expression simulation method based on artificial intelligence, and relates to the technical field of expression simulation, and the method comprises the steps: collecting a brain wave signal of a user, carrying out the preprocessing, and generating a power spectrum density feature; inputting the power spectral density features into a pre-trained emotion classification model, and outputting an emotion category and an emotion intensity value of the user; performing emotional expression mapping on the emotional category and the emotional intensity value, and outputting a bionic muscle contraction instruction; performing facial adjustment on facial muscle fibers of the humanoid robot according to the bionic muscle contraction instruction, dynamically adjusting surface texture details of the humanoid robot, and generating a simulated micro expression; and capturing user face feedback data through camera shooting eyeballs, evaluating the acceptance degree of the user on the simulated micro-expression based on the user face feedback data, and outputting an expression optimization strategy. According to the method, through deformation matching and expression optimization double-closed-loop modeling driven by user feedback, biological simulation of micro-expressions of the humanoid robot is realized.

The invention relates to the technical field of simulation laboratories, and discloses a multifunctional laboratory capable of simulating different marine environments based on ship body carrying, which comprises a ship body capable of simulating different marine environments and manufacturing various controllable flow fields from laminar flow to turbulent flow in an experiment cabin through a controllable flow field generation unit; through the controllable wave generation unit, waves with specified wave heights and periods can be generated in the experiment module; the water body temperature and salinity regulation and control unit is used for quickly and accurately regulating the temperature and salinity of the water body in the experiment module; water bodies with different turbidity and eutrophication levels are simulated through the environmental biological simulation unit; through an outside-in test mode, a sealing door at the bottom of the experiment module is opened, the underwater robot and other equipment are allowed to freely enter and exit, the dynamic response and control algorithm of the underwater robot when entering a complex environment (external real ocean) from a calm environment (in the experiment module) can be tested, and in-situ storage of a sampled sample can be realized.

The invention belongs to the technical field of biological simulation, and relates to an analogue simulation method based on gait control data and related equipment thereof. Carrying out reinforcement learning on the gait simulation agent to obtain the gait simulation agent after reinforcement learning is completed and gait simulation continuous actions output by the gait simulation agent after reinforcement learning is completed; gait control data of the target object are collected; inputting the gait simulation intelligent body into the gait simulation intelligent body after reinforcement learning is completed, and obtaining a walking simulation continuous action corresponding to the target object; through comparison, identifying differential actions; and performing gait adjustment according to the gait control data corresponding to the differential actions. The method is applied to a medical biological simulation science and technology product optimization scene, product stress support adjustment can be carried out in combination with reinforcement learning and analogue simulation modes for an intelligent artificial limb user or an intelligent walking stick user, and a better product experience service is provided for related patients.

The invention relates to the technical field of biological medicine research and development, and discloses an intelligent research and development platform, system and method for network medicine of intelligent medicine. According to the method, an AI analysis module is utilized to construct a dynamic syndrome biological characteristic network based on clinical time sequence data; in combination with a time sequence dynamic syndrome biological simulation body, an evolutionary algorithm is executed through a data processing and control unit, and time sequence application and real-time monitoring are carried out on candidate network drug formulas. And the system evaluates the goodness of fit between a biological state path generated by each formula on the simulation body and an ideal recovery path based on a preset time sequence fitness function, and performs iterative evolution on a formula population through operations such as selection, crossover and variation until an optimal dynamic administration scheme is found. According to the method, the problem of network drug sequential optimization design is solved, an automatic closed-loop research and development system from data modeling to physical verification is constructed, and the efficiency and accuracy of drug research and development are improved.

The invention discloses a dummy head injury testing device and method for an impact test, the testing device comprises a head assembly, the head assembly comprises a skull, brain tissue, head skin and a sensing device, eye sockets are arranged on the skull, and bionic eyeballs are arranged at the eye sockets; the brain tissue comprises bionic brain tissue and bionic cerebrospinal fluid; the head skin comprises a head skin body and flexible sensing skin arranged on the outer surface of the head skin body, the flexible sensing skin comprises a flexible substrate layer, wire electrodes arranged on the two end faces of the flexible substrate layer respectively and insulating layers covering the wire electrodes, and a plurality of wire electrodes are arranged on the two end faces at intervals. The wire electrodes on the two end faces are orthogonally arranged to form an array structure, and raw materials of the flexible substrate layer comprise silicone rubber and a conductive material. The testing device is good in biological simulation degree, the testing result is closer to the real situation, multiple sensor configuration schemes are provided, and more head injury data can be obtained.

The invention discloses a building design method and system based on multi-objective optimization, and the method comprises the following steps: determining multi-objective optimization indexes of building design, the multi-objective optimization indexes including a human factor suitability index, a resource circulation efficiency index and a culture suitability index; quantitative data is obtained by adopting a meta-universe rehearsal technology for the human factor suitability index, quantitative data is obtained by adopting a biological simulation algorithm for the resource circulation efficiency index, and quantitative data is obtained by adopting a block chain technology for the culture suitability index; and inputting the quantized data into a multi-objective optimization algorithm, and carrying out collaborative optimization calculation to obtain building design optimization parameters, thereby breaking through the single-objective limitation of energy conservation, cost and space of traditional building design, bringing human factor suitability, resource circulation efficiency and culture suitability into a multi-objective optimization system, and realizing collaborative optimization of humanity + green + culture.

The invention relates to the technical field of visual perception, discloses a biologically inspired collision detection system and robot for atopic impending perception recognition, and constructs a brand-new collision detection model for atopic impending perception recognition. According to the technical scheme, through a six-layer structure (P-> E / I-> A-> S-> G-> LGMD), exponential attenuation, nonlinear modulation and a spatial clustering mechanism are combined, and accurate distinguishing and real-time collision early warning functions of approaching and leaving motion states are jointly achieved from the three aspects of structure, function and biological simulation; the method has the advantages of high direction selectivity, high robustness and low power consumption calculation efficiency, and is particularly suitable for rapid motion sensing tasks in embedded robots and low-calculation-power visual platforms.

The utility model discloses a simulation model for vascular sheath stripping and ligation suture, and relates to the technical field of medical models. The device comprises a second blood vessel, the outer wall of the second blood vessel is communicated with a first blood vessel, the outer walls of the first blood vessel and the second blood vessel are fixedly wrapped with blood vessel tunica vaginalis, the inner walls, close to each other, of the second blood vessel and the first blood vessel are fixedly connected with the same lymph node, and the second blood vessel and the first blood vessel are in a Y shape and are provided with the blood vessel tunica vaginalis on the surfaces. And the lymph node is connected between the second blood vessel and the first blood vessel, so that the tissue structure simulates a real lung structure. The second blood vessel and the first blood vessel are Y-shaped, the blood vessel tunica vaginalis is arranged on the surfaces of the second blood vessel and the first blood vessel, and the lymph node is fixedly connected between the first blood vessel and the second blood vessel, so that a real lung structure can be well simulated, and the blood vessel tunica vaginalis, the first blood vessel and the second blood vessel are made of biological simulation materials with conductive properties and have real touch feeling; therefore, real skill operation can be carried out.

The invention relates to the technical field of bionic robots, and provides a bionic robot monkey which comprises a simulation body, a sensing detection assembly, a simulation assembly and a control system. The sensing detection assembly is used for collecting feature information of a natural monkey, and the control system is used for obtaining the feature information, sending the feature information to the terminal device, receiving a posture adjustment instruction from the terminal device, controlling the simulation body to adjust the posture to a target posture, and receiving a simulation stimulation instruction from the terminal device. And controlling the simulation component to output the biological simulation information. The bionic machine monkey disclosed by the invention can simulate a natural monkey to the greatest extent, can be hidden in a natural monkey group, can stimulate the natural monkey and observe the stress response of the natural monkey while acquiring the characteristic information of the natural monkey, and can be used as a limb driven recarving device of an experimenter to realize interaction and behavior guidance with the natural monkey; and the information interaction between experimenters and the natural monkeys is well assisted.

The application belongs to the technical field of biological simulation, and discloses a method and system for evaluating the cleaning effect of an anus. The method controls an execution assembly to wipe the anus anatomical structure according to a target wiping strategy, and controls a multi-modal sensing assembly to collect target parameters on the anus anatomical structure to obtain target monitoring data. According to the residual dirt amount in the target monitoring data, a cleaning efficiency score is calculated, and a target mechanical simulation model is called to calculate a skin irritation risk score according to the humidity penetration gradient value and the pressure value in the target monitoring data and the test sample, so as to form a cleaning effect evaluation report with the cleaning efficiency score, thereby realizing simulation and prediction of the anus cleaning process, greatly improving the simulation test effect and accuracy, and providing the cleaning effect evaluation report to indicate the safety of the test sample.

The present application relates to the technical field of biological simulation experiment, and particularly relates to a ruminant in-vitro digestion system; comprising: a partitioned case platform and a bionic digestion reaction module, a dry heat field control module, a precise fluid and gas path distribution module, and a central control module; the present application constructs a dry infrared radiation coupling three-dimensional turbulent heat field, discards the water bath heating mode of high humidity corrosion, fundamentally eliminates the risk of electrochemical corrosion of the precise sensor interface, realizes the millisecond-level temperature control response superior to the water bath, and the system can autonomously execute the pH steady-state regulation of simulated saliva secretion and the pressure metabolic control of simulated belching, thereby constructing an intelligent experimental platform of highly reduced ruminant rumen physiological function in an absolute anaerobic closed system.

The utility model discloses a safety test dummy neck assembly and a safety test dummy, and relates to the technical field of automobile crash safety test, the neck assembly is connected between the head and the upper trunk of the safety test dummy, the neck assembly comprises an upper connecting body, an elastic deformation body and a lower connecting body, the upper connecting body is connected with the head, the elastic deformation body is connected with the lower connecting body, and the elastic deformation body is connected with the lower connecting body. The lower connecting body is connected with the upper trunk, and the elastic deformation body is connected between the upper connecting body and the lower connecting body; wherein the elastic deformation body comprises a main body part and an elastic gradual change part, the two ends of the main body part are connected with the upper connecting body and the lower connecting body respectively, the elastic gradual change part is located on the front side of the main body part, and the elastic modulus of the elastic gradual change part is smaller than that of the main body part. According to the neck assembly of the safety test dummy, the elastic gradual change part is arranged, so that the safety test dummy simulates the motion state of a human body when the human body is collided, and the biological simulation degree and the test data precision of the safety test dummy are improved.

The invention discloses a three-dimensional dynamic biological simulation method based on formulation modeling, which comprises the following steps of: initializing a three-dimensional simulation space and initial position, speed and morphological parameters of an organism to construct a parameterized biological morphological model; dynamically updating the two-dimensional form reference of the organism and the position and posture of the organism in the three-dimensional space based on the form modulation parameters and the movement speed; the method comprises the following steps of: converting a two-dimensional form into a three-dimensional entity structure with symmetry or randomness by adopting a differentiation strategy such as equal-angle slicing or random direction generation aiming at different structure parts of a living body, and performing linear interpolation to enhance continuity; and finally, rendering the three-dimensional entity structure into volume data, performing superposition intensity projection along a preset direction, generating continuous frame images, and outputting multi-page TIFF format simulation data after a preset frame number is reached.

The invention discloses a radiation refrigeration mycelium material with a biological simulation elephant skin structure and a preparation method of the radiation refrigeration mycelium material, and belongs to the technical field of functional composite materials and green energy. The radiation refrigeration mycelium composite material is prepared by taking biological simulation mycelium as a substrate and loading double-layer nano-scale particles of a silicon dioxide layer and a PTFE layer, so that the problems that an existing radiation refrigeration material is low in radiation efficiency, a loading coating is easy to fall off, the environmental friendliness is poor and the like are solved.

The invention belongs to the technical field of biomimetic agent release devices, and particularly relates to a preset remote biomimetic agent release device which comprises a shell, a biomimetic agent box, an annular air duct, a spraying device, a generating device, a blower device, a remote control system and a power supply system. The biological simulation agent in the biological simulation agent box is primarily atomized through the generating device, then the primarily atomized biological simulation agent is mixed with air flow driven by the blower device in the annular air duct to complete secondary atomization, and then the biological simulation agent aerosol with more concentrated and more stable particle size distribution is formed after the biological simulation agent aerosol is sprayed out through the spraying device. The process realizes the remote release of the biomimetic agent, effectively increases the propagation range of the biomimetic agent, and realizes the control of the generation concentration at the same time.

A system for treaty-governed genomic compilation and secure biological synthesis that regulates the translation of digital genetic information into physical matter. The apparatus comprises a Symbolic Verification Kernel configured to deconstruct target nucleic acid sequences into functional semantic representations and execute predictive biological simulations to assess toxicity and dual-use risk against an immutable Treaty Ledger. Physical synthesis is controlled by a hardware-locked DNA synthesis apparatus that remains mechanically disabled until it receives and validates a cryptographically signed Sovereign Synthesis Token issued by the kernel. The system further includes a Bio-Encryption Engine that interleaves non-coding watermarks into the synthesized material, establishing a permanent, molecular-level chain of custody for all fabricated genetic content. The architecture thereby enforces international biological safety constraints directly at the point of manufacture, preventing the unauthorized synthesis of pathogenic or restricted biological agents.

The application discloses a three-dimensional dynamic biological simulation method based on formula modeling, and the method comprises the following steps: initializing a three-dimensional simulation space and initial positions, velocities and morphological parameters of a biological body, and constructing a parameterized biological morphological model; dynamically updating a two-dimensional morphological reference of the biological body and positions and postures of the biological body in a three-dimensional space based on morphological modulation parameters and motion velocities; for different structural parts of the biological body, an equal-angle slicing or random-direction generation equal-difference strategy is adopted to convert the two-dimensional morphological reference into a three-dimensional entity structure with symmetry or randomness, and linear interpolation is performed to enhance continuity; finally, the three-dimensional entity structure is rendered into volume data, superimposed intensity projection is performed along a preset direction, continuous frame images are generated, and the continuous frame images are output as multi-page TIFF format simulation data after a preset number of frames is reached.

The invention provides a printing head for biological simulation 3D printing, and relates to the technical field of 3D printing, the printing head comprises a mounting frame arranged on a biological simulation 3D printer, a clamping fixing structure is arranged on the mounting frame, a material storage head is arranged in the clamping fixing structure, a spray head is arranged on the lower side of the material storage head, and a connecting structure is arranged between the material storage head and the spray head; a first extrusion structure is arranged in the material storage head, a second extrusion structure is arranged in the spray head, a nozzle is arranged on the lower side of the spray head, and a pushing structure is arranged on the mounting frame. According to the bio-ink printing device, the nozzle is arranged on the lower side of the spray head, the pushing structure is installed on the installation frame, the nozzle can be pushed through the pushing structure, and therefore the nozzle can be blocked in time after printing is completed, bio-ink can be prevented from being squeezed out through wiping pressure, the good sealing effect can be achieved, and waste of the bio-ink is prevented; and the printing quality is ensured.