39 results about "Biological simulation" patented technology

A manikin system is provided for testing product safety, and a method of making the manikin system is also provided. The manikin system includes a trunk portion and a plurality of body portions. The plurality of body portions includes a neck portion detachably connected to the trunk portion, a pair of arm portions detachably connected to the trunk portion, a hand portion detachably connected to each arm portion, a pair of leg portions detachably connected to the trunk portion, and a foot portion detachably connected to each leg portion. The body portions and trunk portion are formed of a bio-simulating material. Each of the body portions has selected characteristics and is removable and replaceable with another body portion having different characteristics. The manikin may provide accurate measurement of physical effects of hazardous conditions on a child and flexible and offer flexibility to change manikin test fixtures easily. The manikin may also accurately simulate the size, weight, a range of possible movement, and other physical characteristics of real children.

This invention provides modified phycobilisomes and phycobilisome complexes that are supramolecular complexes with diverse spectral properties, and which may optionally be immobilized on a manufactured solid support. The invention provides a versatile set of highly sensitive signal-generating systems and conjugates that may be used as highly detectable tracers and labels, or in biotransducers comprising phycobilisomes or phycobilisome complexes, and also provides methods for performing specific binding assays using signal-generating systems comprising phycobilisomes as detectable labels. The embodiments of the invention provide the art with an extremely sensitive, nonisotopic detection means for assaying analytes and for sensing molecular events and environmental conditions.

The invention discloses a dummy model design method for a crash test reflecting a driver protection posture to solve the problems that an existing dummy model cannot reflect protection postures like bending and stretching of limbs of a driver when a crash happens and is not high in biological simulation. The dummy model design method for the crash test reflecting the driver protection posture comprises the following steps that protection postures are collected, a crash site is reappeared so as to enable the driver to generate protection postures and achieve the collection of the protection postures at different vehicle speeds; dummy model parameters are designed, the dummy model parameters are designed correspondingly through confirmation of the limb length and joint positions of the driver; the dummy model protection postures are designed: the protection postures of the dummy model when the crash happens is designed; crash parameters are output: display of limb motion of the dummy model during the crash process is achieved, crash parameters are output and displayed, and evaluation is conducted on the biological simulation of the dummy model.

The invention discloses a face recognition payment information anti-counterfeiting method for static photographs, includes such steps as selecting face information capturing device, installing face information capturing device in device, and the face information capturing device having a face capturing and tracking function module, a face recognition comparison module, a face modeling and retrieval module, a real person identification function module and an image quality detection module. S2: face capture referring to detecting a portrait in an image or a live-person shot, separating the portrait from the background, and automatically saving it. Portrait tracking refers to tracking the designated portrait automatically when it moves within the range of the camera shot by using the portraitcapture technology. The invention adopts the form of video section comparison, through biological simulation, completely analyzes whether the collected image is through picture recognition or face recognition, improves safety, and avoids face recognition through video.

The invention discloses a pedestrian AEB (Autonomous Emergency Braking) system test platform. The platform comprises a pedestrian module, a first control module and a second control module; the pedestrian module includes a pedestrian model and a swing arm control module; the swing arm control module is used for controlling the swing of the arms of the pedestrian model; the first control module isused for pulling a test vehicle to move along a first path according to first motion parameters, and activating the second control module according to preset collision parameters; and the second control module is used for pulling the pedestrian model to move along a second path with a second movement state according to second motion parameters. According to the pedestrian AEB (Autonomous EmergencyBraking) system test platform of the invention, the arm swing action design of the pedestrian model is realized, and various walking postures of a real pedestrian can be simulated. Compared with a traditional posture-fixed pedestrian model, the pedestrian model of the platform can improve biological simulation degree and is closer to the real pedestrian. Test results of the test platform can provide a more accurate pedestrian protection design basis for a pedestrian AEB (Autonomous Emergency Braking) system.

The invention provides a bone fracture healing simulation system based on mechanical and biological joint adjustment and control and relates to the field of biomedical engineering. The system comprises a bone fracture area analysis model establishing module, a bone fracture area mechanical adjustment and control modeling module, a bone fracture area biological adjustment and control modeling module, a bone fracture area mechanical and biological joint adjustment and control modeling module and a program determination judging module. The bone fracture area analysis model establishing module isused for establishing a bone fracture area geometrical model and a finite element model. The bone fracture area mechanical adjustment and control modeling module is used for solving mechanical simulation exerted to a bone fracture area unit. The bone fracture area biological adjustment and control modeling module is used for related cell concentration, growth factor concentration and extracellularmatrix concentration. The bone fracture area mechanical and biological joint adjustment and control modeling module is used for achieving joint adjustment and control of mechanical and biological simulation. The program determination judging module is used for judging program determination. The bone fracture healing simulation system provides beneficial help for finding of the bone fracture healing schemes by simulating the bone fracture healing process.

A non-biological simulant liquid that includes about 30 to about 95 parts by weight of a polymer dispersion or a wax emulsion or dispersion, about 5 to about 70 parts by weight of a rheology modifying agent, and a pigment or a pigment combination. The non-biological simulant has a viscosity that is shear-dependent, such that the viscosity is from about 30 cP to about 300 cP at a shear rate from 0 s−1 to about 10 s−1, and such that the viscosity decreases when the shear rate increases. The pigment or pigment combination imbues the non-biological simulant with a color that approximates that of human or animal arterial or venous blood.

A system for computer simulation of object material concentration in a living body using a biological simulation model configured by a blocks readily corresponding to organs of a living body is provided. The functions of organs in a living body related to the object material are described using the biological simulation model to simulate the change over time in the object material concentration in a living body using a computer. The blocks are mutually linked so as to enable the transference of data among blocks. A computer-readable storage medium is also disclosed.

The invention provides a method for evaluating the biosimulation degree of a dummy in a crash test. Quantitative indexes of the biosimulation degree of the dummy in the crash test are divided into three levels, wherein the first-level index is a biosimulation degree quantitative index value of each part of the dummy; the second-level indexes are simulation degree quantitative index values of injury indexes corresponding to all parts of the dummy; the third-level index is a simulation degree quantitative index value obtained by quantifying each damage index from different dimensions. Accordingto the invention, the dummy calibration test result under the same test working condition is associated with known real human body reference damage data, two methods of single-value analysis and timedomain curve analysis are utilized to quantify biological simulation degree indexes of each part of the dummy, each sub-index is further subjected to weighted calculation, and finally, an index valuefor evaluating the overall biological simulation degree of the dummy is obtained.

A new light-coupled parts, which includes: the components A part that receives the known electrical signal and transforms into the light signal, the components B part that receives the electrical signal sending from the components A and transforms into the tested signal, the connecting part between the components A part and the components B part, the components A part and the components B part are with the organic semiconductor parts. The invention can overcome the shortage of the light-coupled parts, and exploit the light-coupled application of the biological simulation and the medical mechanical aspect, especially flexible and fiber intelligent field use.

The invention relates to a design and manufacturing method of a novel lightweight propeller. The method designs the basic contour characteristics of the propeller according to the requirements, topologically optimizes the interiors of the blades of the propeller to obtain a grid-like void structure, and at the same time, makes the surfaces of the blades of the propeller subjected to surface micro-structure treatment according to hydrodynamics and biological simulation; the designed new lightweight propeller is integrally processed to form the internal grids and surface microstructure of the propeller through additive manufacturing technology. The method has the advantages that it uses the novel surface microstructure to reduce the frictional resistance and improve the surface hydrodynamicperformance so as to achieve the effect of drag reduction and noise reduction, adopts a grid-type array cavity structure in the interior of the propeller to reduce the weight of the propeller and energy loss and increase the thrust under the unit mass so as to obtain a high thrust-to-weight ratio, and applies the additive manufacturing technology to process the novel propeller to solve the processing tasks that cannot be accomplished by common methods, reduce the development and manufacturing costs of the new product, and shorten the development cycle.

The invention provides a high-biological-simulation speech processing filter being a nine-order filter constructed by successive cascade connection of a band-pass filter unit, a low-pass filter unit,and an elliptic low-pass filter unit. The central frequency of the nine-order filter is adjusted by the low-pass filter unit. Therefore, with combination of frequency response characteristics of the biological cochlea, a sound response curve near a specific center frequency can be subdivided into a gentle passive section, an active section with selectivity, and a cut-off section with an abrupt change; the gentle passive section is processed by band-pass filtering; the active section with selectivity is processed by low-pass filtering; and the cut-off section with an abrupt change is processedby an elliptical low-pass filter unit. Therefore, the speech processing with high biological-simulation property and low power consumption is realized.

The invention relates to the field of medical simulation teaching appliances, in particular to a modular cardiac pulse simulation device and a biological simulation esophagus ultrasonic simulation system. The modular heart pulsation simulation device comprises a simulated heart, a left heart pulsation simulation unit and a right heart pulsation simulation unit, the simulated heart is arranged in the ultrasonic operation unit; the left heart pulsation simulation unit comprises an aorta compliance module, an aorta damping module and a left atrial fluid volume module which are sequentially communicated, and further comprises a left ventricular pulsation driving module. And / or the right heart pulsation simulation unit comprises a pulmonary artery compliance module, a pulmonary artery damping module and a right atrial fluid volume module which are communicated in sequence, and further comprises a right ventricular pulsation driving module. According to the device, the actual human physiological pulsating flow effect can be simulated in a highly bionic manner, the modular design can meet the application of various scenes, and doctors can be effectively trained to carry out heart diseasediagnosis and treatment.

The invention discloses an application of a copper-based three-dimensional metal organic framework material to enzyme simulation. The organic framework material is Cu-MOF, and the organic framework material can be used as a biological simulation enzyme sensor for detecting H2O2. An electrocatalytic test is carried out on the Cu-MOF, and it is found that the material can catalyze hydrogen peroxideunder the condition of simulating the neutral acid-base pH of a human body, and the material has a strong catalytic effect.

The invention discloses a biological simulation illuminator for mushroom cultivation and a using method thereof. The biological simulation illuminator comprises a fixed shell and a transmission belt,a mounting plate is arranged at the bottom of the fixed shell, the two sides of the mounting plate are sleeved with limiting shells, the tops of the limiting shells are fixedly connected with the fixed shell, a pull plate is arranged at the bottom of an inner cavity of the fixed shell, and pull rods are fixedly connected to the two sides of the top of the pull plate. According to the biological simulation illuminator, the fixed shell, the mounting plate, the limiting shells, the pull plate, a first spring, a grip, an inserting rod, an inserting groove, an equipment box, a motor, a threaded rod, a belt pulley, the transmission belt, a threaded sleeve, a mounting shell, an adjusting box, an illumination device, an inserting plate, a partition plate, a moving plate, a clamping block, a clamping groove, a second spring, a limiting wheel, a third spring, a push plate, the pull rods, an operation plate, a lifting block and a limiting groove are arranged, so that the problem that an existingbiological simulation illuminator for mushroom cultivation is single in function is solved; and the biological simulation illuminator for mushroom cultivation has the advantage of being multifunctional.

Embodiments are generally directed to methods, systems and devices for generating and playing back a personalized state song representing a target state of a user. In one scenario, a computer system accesses biometric data corresponding to various bodily systems of a user. The computer system encodes the biometric data into data structures that are configured for modeling using an algorithm that is specific to the user. The computer system models the encoded biometric data to identify specified patterns in the encoded biometric data, and these identified patterns are used to generate a personalized algorithm that corresponds with the identified patterns unique to the user. The computer system then synthesizes a state song using the personalized algorithm, which represents a specific biometric state for one of the bodily systems, and plays back the state song to the user to induce the user to the specific biometric state.

The invention relates to a design and manufacturing method of a novel lightweight propeller. The method designs the basic contour characteristics of the propeller according to the requirements, topologically optimizes the interiors of the blades of the propeller to obtain a grid-like void structure, and at the same time, makes the surfaces of the blades of the propeller subjected to surface micro-structure treatment according to hydrodynamics and biological simulation; the designed new lightweight propeller is integrally processed to form the internal grids and surface microstructure of the propeller through additive manufacturing technology. The method has the advantages that it uses the novel surface microstructure to reduce the frictional resistance and improve the surface hydrodynamicperformance so as to achieve the effect of drag reduction and noise reduction, adopts a grid-type array cavity structure in the interior of the propeller to reduce the weight of the propeller and energy loss and increase the thrust under the unit mass so as to obtain a high thrust-to-weight ratio, and applies the additive manufacturing technology to process the novel propeller to solve the processing tasks that cannot be accomplished by common methods, reduce the development and manufacturing costs of the new product, and shorten the development cycle.

The invention belongs to the technical field of biological simulation experiments and relates to a sealable and openable type small ecosystem simulation experiment device. A glass cover and a stainless steel box body with the open upper end are placed on a base, sampling holes are evenly formed in the glass cover, the stainless steel box body is provided with sampling holes the same as those in the glass cover, and a support is installed between the glass cover and the stainless steel box body. A xenon lamp tube, an ultraviolet lamp tube and a shower pipe are fixedly installed above the support. A temperature sensor and a humidity sensor are installed on the two sides of the support in an embedded mode, small holes are evenly drilled at the bottom of the stainless steel box body, a filter screen is arranged in the base, an independent water tank is installed on the left side of the base, a water pump is installed in the water tank, and a control panel is installed on the water tank. A power switch, a water pump switch, an ultraviolet lamp switch, a xenon lamp switch and a temperature and humidity display are arranged on the control panel. The water pump is communicated with the stainless steel box body through a water pipe. The sealable and openable type small ecosystem simulation experiment device is simple in structure, convenient to operate, low in cost, environmentally friendly and convenient to popularize and use.

The invention provides a bone fracture healing simulation system based on mechanical and biological joint adjustment and control and relates to the field of biomedical engineering. The system comprises a bone fracture area analysis model establishing module, a bone fracture area mechanical adjustment and control modeling module, a bone fracture area biological adjustment and control modeling module, a bone fracture area mechanical and biological joint adjustment and control modeling module and a program determination judging module. The bone fracture area analysis model establishing module isused for establishing a bone fracture area geometrical model and a finite element model. The bone fracture area mechanical adjustment and control modeling module is used for solving mechanical simulation exerted to a bone fracture area unit. The bone fracture area biological adjustment and control modeling module is used for related cell concentration, growth factor concentration and extracellularmatrix concentration. The bone fracture area mechanical and biological joint adjustment and control modeling module is used for achieving joint adjustment and control of mechanical and biological simulation. The program determination judging module is used for judging program determination. The bone fracture healing simulation system provides beneficial help for finding of the bone fracture healing schemes by simulating the bone fracture healing process.

The invention discloses an endogenous heat measurement method based on an infrared skin temperature distribution field. The endogenous heat measurement method comprises the following steps: S1, establishing a finite element model; s2, simulating the relationship between the position, temperature and thermophysical property parameters of the in-vivo heat source and the body surface temperature distribution by adopting a finite element analysis method; and S3, burying the developed constant-temperature adjustable heat source in the uniform layered biological tissue body, taking the temperature of the body surface of the tissue and the temperature of each layer of tissue by adopting a human body temperature measurement thermal infrared imager, and analyzing the distribution of temperature fields on the body surface and in the body. Human body skin simulation is carried out through the biological simulation body, the skin temperature of the biological simulation body is shot through the medical thermal infrared imager, data transmission is carried out by establishing a data transmission system, a temperature distribution infrared thermogram is formed, a basis can be provided for diagnosis of an abnormal heat source in the body, and finally simulation and analysis are carried out, so that the diagnosis accuracy of the abnormal heat source in the body is improved. And a theoretical basis and guiding significance can be provided for research on a human body surface temperature distribution characteristic formation mechanism and a heat source inverse problem.

The invention discloses a biomimetic flea trap.The biomimetic flea trap comprises a supporting frame and a pendulum, the supporting frame comprises a base and a top cover, the top cover is supported above the base through supporting beams, a bottom panel of the top cover is provided with LED (light emitting diode) lamps, and the top cover is further provided with a pendulum groove.The pendulum is movably connected in the pendulum groove and capable of swing from side to side through a swing control component, a control circuit, a power supply component and a heating plate are arranged in the pendulum, the power supply component supplies power to the control circuit, and the heating plate, the swing control component and the LED lamps are electrically connected with the control circuit.According to characteristics of fleas which are phototropic and thermophilous and capable of quickly sensing and chasing warm-blooded animals, the LED lamps, the heating plate and the pendulum swinging side to side are arranged to simulate habits of the warm-blooded animals, the fleas can be trap by a sticky trap when jumping into the base below the supporting frame, and favorable trap effects are achieved.

The invention relates to a method for assessment of influences of geohistorical temperature evolution on biogas yield. The method includes: firstly, acquiring temperature factors under different temperature conditions according to biological simulation experiment results; secondly, acquiring temperature factor evolution history of a certain well point position according to temperature evolution history of a source bed at the corresponding well point position, and solving a geohistorical average temperature factor of the corresponding position; thirdly, taking a ratio of the geohistorical average temperature factor to a current temperature factor as a correction coefficient of the position; fourthly, solving correction factors of the source bed at multiple well positions to obtain a planargraph of the correction factors of the source bed; fifthly, acquiring a temperature factor graph of the source bed under current temperature conditions according to a current temperature graph of thesource bed; sixthly, multiplying current temperature factors of the source bed with the correction factors to obtain a geohistorical average temperature factor graph of the source bed to reflect influences of geohistorical temperature evolution on biogas yield. By adoption of the method, quantitative assessment of the influences of geohistorical temperature evolution on biogas yield can be realized.

The invention discloses a compound with calcium gluconate grafted aliphatic polyester, a method for preparing the compound and application thereof. The method includes carrying out heterogeneous graft copolymerization reaction on calcium gluconate and aliphatic polyester monomers under the effects of catalysts to obtain the compound with the calcium gluconate grafted aliphatic polyester. The calcium gluconate is used as a main graft chain, and the aliphatic polyester monomers are used as graft monomers. The compound, the method and the application have the diversified advantages that the method includes simple and controllable preparation processes and is high in operability, and the compound can be widely produced on a large scale; the compound is excellent in cell compatibility and apatite enrichment promoting ability in cell culture experiments and biological simulation mineralization experiments, and the like.

The invention relates to a device, which carries out a simulated experiment for space gravitational biology in a large gradient and intense magnetic field. A superconducting magnet can be fixed on a horizontal ground, and a temperature-controlled water gall can be inserted vertically into the columnar cavum which is arranged in the middle of the superconducting magnet. The bottom of the lifter carrier is positioned in the bottom of the superconducting magnet. The tray of the lifter carrier is inserted into the columnar cavum of the superconducting magnet with the temperature-controlled gall. The data monitoring plant is installed at the bottom of the lifter carrier, and the lifter carrier is connected with a data display device by leads. The ends of the cavum of the superconducting magnet are respectively sealed by the closing plug of the gas control equipment. A CCD videography is positioned in the center of the ring-shaped illuminating ray. The two insert into the cavum synchronously and are positioned above the tray. The device provided by the invention can achieve the precise measurement and control of temperature, humidity, model position, gravity standard, magnetic density and other aggregative indicators. The device can meet the requirements of the simulated experiment condition relating to space life sciences within the range from molecules, cells, tissues, organs to the overall level.

The application discloses an organic diode flexible memristor device with biological synapse simulation function and its preparation method. The device adds a modification layer between the cathode-dielectric layer interface, and the whole device is in order from top to bottom: metal cathode layer, modification layer, dielectric layer, anode electrode layer and PET substrate, and the material of the modification layer is aluminum oxide Al 2 o 3 , stable performance, basic synaptic simulation functions can be realized, and can maintain superior memristive performance and biological simulation functions under a certain number of bending times and different bending radii, and at the same time, compared with the same type of device structure, it is easier to design The rate is high, universal, and has important research significance.

The invention discloses a device for the comparison experiment of plankton simulated ecological niche difference, which comprises a culture tank and a base tower placed in the culture tank, the base tower includes a vertically arranged rectangular connection frame, and several The connecting frame is connected vertically and the arc-shaped base plate is arranged horizontally, the base plate is located on the same side of the connecting frame, and is arranged in sequence from bottom to top; there is also a pressing piece on the base plate, Used to press and attach base test materials. The device designed by the invention provides a unified fixing method for the experiment, and the size of the attachment bases installed in the device using different materials is consistent, thereby effectively improving the accuracy of the experiment.

The invention provides a method for evaluating the degree of biological simulation of a dummy in a collision test, and divides the quantitative indicators of the biological simulation of the dummy into three levels: the first-level indicators are the quantitative index values ​​of the biological simulation of each part of the dummy The second-level index is the simulation quantitative index value of the injury index corresponding to each part of the dummy; the third-level index is the simulation quantitative index value of each injury index quantified from different dimensions. The invention is a method for evaluating the degree of biological simulation of a dummy in a collision test, which correlates the calibration test results of the dummy under the same test conditions with the known real human body reference injury data, and uses single value analysis and time domain curve analysis In the two methods, the biosimilarity index of each part of the dummy is quantified, and each sub-indicator is further weighted and calculated, and finally the index value used to evaluate the overall biosimilarity of the dummy is obtained.

The invention discloses a nerve restoration promoting tube, a preparation method and the application thereof. The nerve restoration promoting tube comprises a catheter body outer wall, the catheter body outer wall is made of a chitosan solution material, and a fiber support layer, a filler layer, a culture inner core and a biological simulation inner core are sequentially arranged in the catheter body outer wall; the fiber scaffold layer is made of one or more of a polyglycolic acid solution, a polylactic acid solution, a hydroxybutyrate solution and a hydroxyhexanoate copolymer solution, and the filler layer contains type I collagen, neurotrophic growth factors and a growth substrate. The degradable biological material is used as the main material of the nerve restoration tube, the degradable biological material can be automatically degraded into non-toxic and harmless substances after the operation, the injury of a secondary operation to a patient is reduced, the autologous tissue of the patient is used as the substitute nerve tissue, the resistance of the body of the patient to foreign substances is reduced, and nerve restoration and body rehabilitation are facilitated.