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33 results about "Smart skin" patented technology
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Diagnostic radio frequency identification sensors and applications thereof
ActiveUS20060290496A1Low costDevices with bluetooth interfacesBurglar alarm mechanical actuationPower sensorPoint of care
An integrated passive wireless chip diagnostic sensor system is described that can be interrogated remotely with a wireless device such as a modified cell phone incorporating multi-protocol RFID reader capabilities (such as the emerging Gen-2 standard) or Bluetooth, providing universal easy to use, low cost and immediate quantitative analyses, geolocation and sensor networking capabilities to users of the technology. The present invention can be integrated into various diagnostic platforms and is applicable for use with low power sensors such as thin films, MEMS, electrochemical, thermal, resistive, nano or microfluidic sensor technologies. Applications of the present invention include on-the-spot medical and self-diagnostics on smart skin patches, Point of Care (POC) analyses, food diagnostics, pathogen detection, disease-specific wireless biomarker detection, remote structural stresses detection and sensor networks for industrial or Homeland Security using low cost wireless devices such as modified cell phones.
Owner:ALTIVERA
Diagnostic Radio Frequency Identification Sensors And Applications Thereof
ActiveUS20090209904A1Low costDevices with bluetooth interfacesSubstation equipmentPower sensorPoint of care
An integrated passive wireless chip diagnostic sensor system is described that can be interrogated remotely with a wireless device such as a modified cell phone incorporating multi-protocol RFID reader capabilities (such as the emerging Gen-2 standard) or Bluetooth, providing universal easy to use, low cost and immediate quantitative analyses, geolocation and sensor networking capabilities to users of the technology. The present invention can be integrated into various diagnostic platforms and is applicable for use with low power sensors such as thin films, MEMS, electrochemical, thermal, resistive, nano or microfluidic sensor technologies. Applications of the present invention include on-the-spot medical and self-diagnostics on smart skin patches, Point-of-Care (POC) analyses, food diagnostics, pathogen detection, disease-specific wireless biomarker detection, remote structural stresses detection and sensor networks for industrial or Homeland Security using low cost wireless devices such as modified cell phones.
Owner:ALTIVERA
Method and apparatus for strain-stress sensors and smart skin for aircraft and space vehicles
InactiveUS6986287B1Wide rangeChange pressureForce measurementUsing electrical meansFine structureStress sensor
A new family of multifunctional smart coatings based on of stabilized diamond-like metal-carbon atomic scale composites and diamond-like atomic-scale composite (DL ASC) materials. Based on a unique combination of the coating fine structure, properties of the coating / substrate interface, and the mechanical and electrical properties of the coating, the disclosed smart coatings would integrate various high resolution sensors and interconnections, and the sensor would diagnose dangerous stress distribution in the coated subject with no distortion in real time, while these diamond-like coatings would simultaneously provide environmental protection of the coated surface and improve its aerodynamic quality.
Owner:NANODYNAMICS INC
Method and apparatus for straining-stress sensors and smart skin for air craft and space vehicles
InactiveUS20070062300A1Detect directlyAerodynamic testingForce measurementFine structureStress sensor
A new family of multifunctional smart coatings based on of stabilized diamond-like metal carbon atomic scale composites and diamond-like atomic-scale composite (DL ASC) materials. Based on a unique combination of the coating fine structure, properties of the coating / substrate interface, and the mechanical and electrical properties of the coating, the disclosed smart coatings would integrate various high resolution sensors and interconnections, and the sensor would diagnose dangerous stress distribution in the coated subject with no distortion in real time, while these diamond-like coatings would simultaneously provide environmental protection of the coated surface and improve its aerodynamic quality.
Owner:NANODYNAMICS INC
Embedded smart skin antenna
ActiveCN103618130AGuaranteed electricityRealize working status self-diagnosisAntenna arraysAntenna supports/mountingsElectricityElectrical performance
The invention provides an embedded smart skin antenna which is formed by an optical fiber sensing network layer (2), a reconfigurable sub array (3), a thin film TR sub array (4), a reconfigurable feed network (5), and a control and function maintenance module (6). The optical fiber sensing network layer and the reconfigurable sub array are integrated as a whole, are sequentially and parallelly arranged with the thin film TR sub array (4) and the reconfigurable feed network in a laminated manner, and are jointly in parallel connection with the control and function maintenance module at the end. The control and function maintenance module, according to a user demand of a terminal main control device (7), sends a control instruction to the reconfigurable sub array, the thin film TR sub array, and the reconfigurable feed network; the working condition self-diagnosis of the embedded smart skin antenna and the electrical performance reconfiguration of the antenna are realized; the electric performance of the embedded smart skin antenna is ensured; and the defect that, after the sub array is partially damaged, a conventional antenna array is degraded in performance or cannot be reused is avoided. The embedded smart skin antenna also solves the defect that the array gain loss of a conventional phased array antenna is too large when the scanning angle theta is >= 45 DEG.
Owner:10TH RES INST OF CETC
Smart skin antenna oriented strain sensor layout method
ActiveCN104992002AOptimize quantityOptimize locationSpecial data processing applicationsStrain sensorSmart skin
The present invention discloses a smart skin antenna oriented strain sensor layout method. The whole idea of the method is that with positions and the total number of sensors as design variables and with the linear weighted sum of the displacement estimation errors and the total number of sensors as a target function, providing an upper limit of the total number of the sensors; adding an 0-1 topology variable to each position variable; representing a sensor position combination with dual variables; establishing an optimization model; and optimizing positions and the total number of the sensors. The smart skin antenna oriented strain sensor layout method is beneficial in that the number and positions of sensors can be both optimized effectively.
Owner:XIDIAN UNIV
Artificial skin based on piezoelectric material and thermistor material and detection method of artificial skin
ActiveCN107551323AGroundbreakingSimple structureProgramme-controlled manipulatorLayered productsElectrical resistance and conductanceElectricity
The invention discloses artificial skin based on a piezoelectric material and a thermistor material. The artificial skin comprises a signal acquisition part and a circuit part, wherein the signal acquisition part comprises a device protecting layer and a compound signal acquisition layer arranged on the lower surface of the device protecting layer; the circuit part comprises a front-end circuit and a rear-end circuit; the rear-end circuit can be a first rear-end circuit or a second rear-end circuit. The invention further discloses a method for detecting pressure and temperature by use of the artificial skin. The artificial skin is simple in structure, easy to miniaturize and integrate, simple and strict in testing method and suitable for manufacturing artificial smart skin.
Owner:北京中硕众联智能电子科技有限公司
Smart skin driving device based on shape memory effect
The invention discloses a smart skin driving device based on shape memory effect, and belongs to the field of aviation and spaceflight. The smart skin driving device comprises a base, insulation pulleys, insulation sliding blocks and SMA (shape memory alloy) wires, the number of the insulation pulleys is at least 2, and is even integer, the insulation pulleys are arranged on one side of the base at intervals, the number of the insulation sliding blocks is corresponding to the number of the insulation pulleys, the insulation sliding blocks are arranged on the base in parallel, each insulation sliding block is connected with two SMA wires, one ends of the SMA wires are fixed on the other side of the base, corresponding to the position of the insulation pulleys, wherein the other end of any SMA wire is directly connected with the insulation sliding block, and the other end of the other SMA wire passes by the insulation pulleys to be connected with the insulation sliding block. The driving device is simple and compact in structure, capable of dual-thread driving, and can provide a stable and reliable driving force for the smart skin structure, the shape memory alloy wire material as a drive element is simple in driving conditions, safe, fast in driving response, large in driving force, small in energy consumption, energy-saving and environmentally-friendly, and free of noise and pollution.
Owner:NANJING UNIV OF AERONAUTICS & ASTRONAUTICS
Method and apparatus for dielectric sensors and smart skin for aircraft and space vehicles
A new family of multifunctional smart coatings based on diamond-like atomic-scale composite materials which can provide a real-time control of the surface stress distribution and potentially dangerous stress diagnostic for the most critical parts of flying vehicles. The coating is a silica-stabilized dielectric film, particularly, a diamond-like atomic-scale composite material.
Owner:NANODYNAMICS INC
Preparation method of high-conductivity tensile strain response material
The invention discloses a preparation method of a high-conductivity tensile strain response material, and belongs to the technical field of semiconductor sensor materials. The preparation method comprises steps as follows: firstly, a CNT(carbon nano tube) / graphene hybrid material is prepared, then CNT / graphene is uniformly dispersed in a solution of a high polymer material by a homogenizer throughultrasonic oscillation, and finally, a CNT@graphene / polymeric nanocomposite, namely, the high-conductivity tensile strain response material, can be prepared with a solution pouring film formation ordip-coating method. The prepared material has high conductivity, better flexibility and good strain response capacity. The preparation method is simple, low in cost and high in applicability, can be applied to large-scale production and can be widely applied in industries such as smart skin, pressure-sensitive sensors and the like.
Owner:CHANGZHOU UNIV
Polyelectrolyte elastomer as well as preparation method and application thereof
The invention relates to a polyelectrolyte elastomer as well as a preparation method and application thereof. The preparation method comprises the following steps: reacting ionic monomers or / and polymers in water in the presence of an initiator, and drying, thereby obtaining the product. The ionic monomers refer to one or more selected from 3-(2-methacryloyloxyethyldimethylamino) propyl sulfonate,acrylic acid, acryloyloxyethyl trimethyl ammonium chloride, methacryloyloxyethyl trimethyl ammonium chloride, methacrylic acid and sodium p-styrenesulfonate; the ionic polymers refer to one or more selected from poly-dimethyl diallyl ammonium chloride, polyacrylic acid, poly-dimethyl diallyl ammonium chloride and poly (4-styrenesulfonic acid sodium). The obtained bionic smart skin is capable of simulating mechanical behaviors of biological tissues, has perceptive functions of multiple kinds of outside stimulus, can be applied to the fields of medical bionic electronic devices, soft matter robots, internet-of-things sensing equipment and the like and has wide industrial application prospects.
Owner:雷周玥 +1
Deformation experiment apparatus for smart skin antenna test
The invention relates to a deformation experiment apparatus for a smart skin antenna test. A base plate is fastened on a test frame, two bases are fixed on the base plate, a first bearer and a second bearer are fixed at the two ends of the bases, parallel slide rails are installed in holes of the first bearer and the second bearer, a device placement plate is installed on the first bearer and the second bearer, the height of the plate surface of the device placement plate can be adjusted, and a single-chip microcomputer control board and other devices are flatly placed on the device placement plate; and a torsion system is fixed on the first bearer, and a first bending system and a second bending system are respectively installed on the parallel slide rails. The deformation experiment apparatus provided by the invention has the following advantages: the experiment apparatus is remotely controlled by use of a single-chip microcomputer communication module, the operation is simple and convenient, radiation of a microwave darkroom can be reduced, by use of driving control of a stepping motor, a deformation amount can be accurately controlled and adjusted, and the experiment demand for electromagnetic performance testing and debugging under deformation of an antenna structure can be satisfied.
Owner:XIDIAN UNIV
Log-periodic dipole array antenna and smart skin having the same
ActiveUS9368874B2Simple structureImprove antenna performanceLogperiodic antennasSimultaneous aerial operationsDielectric substrateSmart skin
A log-periodic dipole array antenna according to one exemplary embodiment of the present disclosure includes a dielectric substrate, a radiating element having a plurality of lines extending from a center to an outer side and symmetrically arranged on the dielectric substrate based on the center, so as to resonate in a first frequency band and a second frequency band, the plurality of lines being connected at the center or the outer side of the radiating element in an alternating manner, the lines becoming longer going from up to down of the radiating element fed according to a predetermined log-periodic ratio, and a band stopper formed on one point for connecting the lines to each other.
Owner:AGENCY FOR DEFENSE DEV
Magnetorheological smart skin
The invention discloses magnetorheological smart skin, which comprises working units and a flat washer. Each working unit consists of a cylinder, a bottom plate, a pore plate, a spherical shell, an airbag and an excitation coil or electromagnet, wherein the spherical shell is fixed at the upper end of the cylinder; the bottom plate is fixed at the lower end of the cylinder; the airbag is fixed on the bottom plate at the lower end of the cylinder; the pore plate is fixed in the cylinder between the spherical shell and the airbag; the excitation coil or electromagnet is fixed on the outer periphery of the cylinder; and the cylinder is filled with magnetorheological fluid. The flat washer is made from a high polymer elastic material. A plurality of flat-bottomed blind holes are distributed on one plane of the flat washer. The thickness of the flat washer is greater than the length of each cylinder. A plurality of working units are fixed in the flat-bottomed blind holes of the flat washer.
Owner:临沂高新置业有限公司
Smart skin care system and method
The invention provides a smart skin care system and a method. The system is mounted and operates in an electronic apparatus. The electronic apparatus comprises a vibration motor and a memory. In the memory, a plurality of skin types and a plurality of corresponding relationships of various vibration modes are pre-stored. The system comprises an acquiring module to acquire a person's skin parameters detected by a skin detection instrument; a determination module to determine the skin type according to the acquired skin parameters; and a control module to check a corresponding vibration mode from the corresponding relationships stored in the memory according to the determined skin type and control the vibration motor to vibrate in the corresponding vibration mode. The skin care system provided by the invention determines the skin type of a person through the detection of a person's skin parameters and based on the determined skin type, controls the vibration motor to vibrate in the most proper vibration mode so as to best care the person's skin.
Owner:FU TAI HUA IND SHENZHEN +1
Magnetorheological smart skin
The invention discloses magnetorheological smart skin, which comprises working units and a flat washer. Each working unit consists of a cylinder, a bottom plate, a pore plate, a spherical shell, an elastic film and an excitation coil or electromagnet, wherein the spherical shell is fixed at the upper end of the cylinder; the bottom plate is fixed at the lower end of the cylinder; the elastic film is fixed on a middle lower part in the cylinder; the pore plate is fixed in the cylinder between the spherical shell and the elastic film; the excitation coil or electromagnet is fixed on the outer periphery of the cylinder; each of the cylinder, the bottom plate, the elastic film and the spherical shell is made from a high polymer elastic material; the pore plate is made from a nonmagnetic conducting material; a gas with certain pressure is filled into a cavity between the elastic film and the bottom plate in the cylinder; and a space between the spherical shell and the elastic film in the cylinder is filled with magnetorheological fluid. The flat washer is made from a high polymer elastic material. A plurality of flat-bottomed blind holes are distributed on one plane of the flat washer. The thickness of the flat washer is greater than the length of each cylinder. A plurality of working units are fixed in the flat-bottomed blind holes of the flat washer.
Owner:谢宁
Log-periodic dipole array antenna and smart skin having the same
ActiveUS20140232605A1Improve signal qualityReduce weightLogperiodic antennasSimultaneous aerial operationsElectricityDielectric substrate
A log-periodic dipole array antenna according to one exemplary embodiment of the present disclosure includes a dielectric substrate, a radiating element having a plurality of lines extending from a center to an outer side and symmetrically arranged on the dielectric substrate based on the center, so as to resonate in a first frequency band and a second frequency band, the plurality of lines being connected at the center or the outer side of the radiating element in an alternating manner, the lines becoming longer going from up to down of the radiating element fed according to a predetermined long-periodic ratio, and a band stopper formed on one point for connecting the lines to each other
Owner:AGENCY FOR DEFENSE DEV
Smart skin-oriented optimal design method for chip and wire layouts
InactiveCN108804795AShorten the lengthImprove the bearing capacity of the structureDesign optimisation/simulationSpecial data processing applicationsShortest distanceEngineering
The invention discloses a smart skin-oriented optimal design method for chip and wire layouts, which is used for solving the technical problem that a conventional smart skin layout design method is poor in practicality. According to the technical scheme, a smart skin structure is simulated by using a composite multilayer shell model; the shape of chips is described by using a level set function; and wires among the chips are arranged by using an A* algorithm. In the process of optimizing the layouts, the chips and the wires serve as secondary bearing components to participate in the whole structural force bearing, so that the structural bearing performance is enhanced; in the meantime, the shortest distance among the chip connecting points is found through optimal iteration, so that the wire length and the structure weight are reduced; and proved by tests, under the same conditions, the flexibility of the structure optimized by the method disclosed by the invention was reduced from 91.17mJ of background technology to 9.70mJ and the weight of the structure is reduced from 9.989g of the background technology to 6.315g.
Owner:NORTHWESTERN POLYTECHNICAL UNIV
Embedded Smart Skin Antenna
ActiveCN103618130BReduce design sizeReduce design costAntenna arraysAntenna supports/mountingsEngineeringArray gain
The invention provides an embedded smart skin antenna which is formed by an optical fiber sensing network layer (2), a reconfigurable sub array (3), a thin film TR sub array (4), a reconfigurable feed network (5), and a control and function maintenance module (6). The optical fiber sensing network layer and the reconfigurable sub array are integrated as a whole, are sequentially and parallelly arranged with the thin film TR sub array (4) and the reconfigurable feed network in a laminated manner, and are jointly in parallel connection with the control and function maintenance module at the end. The control and function maintenance module, according to a user demand of a terminal main control device (7), sends a control instruction to the reconfigurable sub array, the thin film TR sub array, and the reconfigurable feed network; the working condition self-diagnosis of the embedded smart skin antenna and the electrical performance reconfiguration of the antenna are realized; the electric performance of the embedded smart skin antenna is ensured; and the defect that, after the sub array is partially damaged, a conventional antenna array is degraded in performance or cannot be reused is avoided. The embedded smart skin antenna also solves the defect that the array gain loss of a conventional phased array antenna is too large when the scanning angle theta is >= 45 DEG.
Owner:10TH RES INST OF CETC
Mineralized hydrogel and preparation method and application thereof
ActiveCN109369929AMake up for the defects of poor physical propertiesGood flexibilityProsthesisChemistrySmart skin
The invention discloses mineralized hydrogel and a preparation method and application thereof, and belongs to the technical field of artificial skin. The mineralized hydrogel comprises the following raw material components: 3-6 vol% of polyacrylic acid, 0.05-0.15wt% of chitosan and 18-22wt% of amorphous calcium phosphate. The molecular weight of the polyacrylic acid is 100,000, and the chitosan isof medium molecular weight. The amorphous calcium phosphate is formed by 2-2.5wt% of anhydrous calcium chloride and 5.5-6wt% of disodium hydrogen phosphate dodecahydrate in the hydrogel formation process. The preparation method is simple, rapid, mild, green and environmentally friendly. The prepared mineralized hydrogel has flexibility, antibacterial property and inductive property, thereby having broad aspects in smart skin materials, artificial intelligent devices and wearable devices.
Owner:ANHUI UNIVERSITY OF TECHNOLOGY
Smart Skin Antenna Adaptively Changing Radiation and Scattering Characteristics
ActiveCN107394416BLow observable characteristic LOAdjust radiation/scattering properties in real timeAntenna arraysAntenna adaptation in movable bodiesConductive polymerEngineering
Owner:10TH RES INST OF CETC
Preparation method of a highly conductive tensile strain responsive material
The invention discloses a preparation method of a highly conductive tensile strain response material, which belongs to the technical field of semiconductor sensor materials. First prepare the carbon nanotube / graphene hybrid material, then uniformly disperse the carbon nanotube / graphene in the solution of the polymer material through a homogenizer and ultrasonic vibration, and finally prepare it by solution casting into a film or dip coating Carbon nanotubes@graphene / polymer nanocomposites, i.e. highly conductive tensile strain responsive materials. The material prepared by the invention has high conductivity, good flexibility and good strain responsiveness. The preparation method of the invention is simple, low in cost and strong in applicability, can be used in large-scale production, and can be widely used in industries such as smart skin and pressure-sensitive sensors.
Owner:CHANGZHOU UNIV
Triboelectric smart skin, manipulators and robots
The invention provides an intelligent friction electro-optic skin, a manipulator and a robot. The intelligent friction electro-optic skin comprises elastomer, photoluminescent particles dispersed in the elastomer and a grating with a microcrack structure, wherein the grating is embedded in the elastomer and covers the photoluminescent particles. Under the action of the transverse tensile force, the microcrack width of the grating is changed so as to change the photoluminescence intensity of the intelligent friction electro-optic skin. The intelligent friction electro-optic skin, the manipulator and the robot have good sensitivity, reversibility and stability, by coupling the adjustable photoluminescence and a friction nano-generator, optical signals can be used for sensing the transverse tensile strain, and electric signals can further be used for sensing longitudinal pressure, so that multi-dimensional mechanical force sensing is achieved.
Owner:BEIJING INST OF NANOENERGY & NANOSYST
Magnetorheological smart skin
The invention discloses magnetorheological smart skin, which comprises working units and a flat washer. Each working unit consists of a cylinder, a bottom plate, a pore plate, a spherical shell, an elastic film and an excitation coil or electromagnet, wherein the spherical shell is fixed at the upper end of the cylinder; the bottom plate is fixed at the lower end of the cylinder; the elastic film is fixed on a middle lower part in the cylinder; the pore plate is fixed in the cylinder between the spherical shell and the elastic film; the excitation coil or electromagnet is fixed on the outer periphery of the cylinder; each of the cylinder, the bottom plate, the elastic film and the spherical shell is made from a high polymer elastic material; the pore plate is made from a nonmagnetic conducting material; a gas with certain pressure is filled into a cavity between the elastic film and the bottom plate in the cylinder; and a space between the spherical shell and the elastic film in the cylinder is filled with magnetorheological fluid. The flat washer is made from a high polymer elastic material. A plurality of flat-bottomed blind holes are distributed on one plane of the flat washer. The thickness of the flat washer is greater than the length of each cylinder. A plurality of working units are fixed in the flat-bottomed blind holes of the flat washer.
Owner:谢宁
Magnetorheological smart skin
The invention discloses magnetorheological smart skin, which comprises working units and a flat washer. Each working unit consists of a cylinder, a bottom plate, a pore plate, a spherical shell, an airbag and an excitation coil or electromagnet, wherein the spherical shell is fixed at the upper end of the cylinder; the bottom plate is fixed at the lower end of the cylinder; the airbag is fixed on the bottom plate at the lower end of the cylinder; the pore plate is fixed in the cylinder between the spherical shell and the airbag; the excitation coil or electromagnet is fixed on the outer periphery of the cylinder; and the cylinder is filled with magnetorheological fluid. The flat washer is made from a high polymer elastic material. A plurality of flat-bottomed blind holes are distributed on one plane of the flat washer. The thickness of the flat washer is greater than the length of each cylinder. A plurality of working units are fixed in the flat-bottomed blind holes of the flat washer.
Owner:临沂高新置业有限公司
A Deformation Experimental Device for Smart Skin Antenna Testing
ActiveCN105606907BReduce radiationReduce workloadAntenna radiation diagramsMicrocontrollerMicrocomputer
The invention relates to a deformation experiment apparatus for a smart skin antenna test. A base plate is fastened on a test frame, two bases are fixed on the base plate, a first bearer and a second bearer are fixed at the two ends of the bases, parallel slide rails are installed in holes of the first bearer and the second bearer, a device placement plate is installed on the first bearer and the second bearer, the height of the plate surface of the device placement plate can be adjusted, and a single-chip microcomputer control board and other devices are flatly placed on the device placement plate; and a torsion system is fixed on the first bearer, and a first bending system and a second bending system are respectively installed on the parallel slide rails. The deformation experiment apparatus provided by the invention has the following advantages: the experiment apparatus is remotely controlled by use of a single-chip microcomputer communication module, the operation is simple and convenient, radiation of a microwave darkroom can be reduced, by use of driving control of a stepping motor, a deformation amount can be accurately controlled and adjusted, and the experiment demand for electromagnetic performance testing and debugging under deformation of an antenna structure can be satisfied.
Owner:XIDIAN UNIV
A pressure sensor with memory function
ActiveCN113532702BWith memory functionSensitivity non-volatile and continuously adjustableNanosensorsForce measurement using piezo-resistive materialsEngineeringComputational physics
The invention discloses a pressure sensor with memory function, comprising: a first electrode, a second electrode, a functional layer located between the first electrode and the second electrode, the functional layer includes an insulating layer, and a metal filled in the insulating layer Nanoparticles and the phase change layer coated on the surface of the metal nanoparticles; the temperature change of the metal nanoparticles causes the phase change layer to change, and the number or size of the laser irradiation area is controlled to obtain a continuously changing equivalent resistance value; the pressure sensor is applied Pressure, the metal nanoparticles are in contact with each other, realizing the non-volatile continuous adjustment of the pressure sensor sensitivity. According to a pressure sensor with memory function, through the change of the temperature of the metal nanoparticles based on the plasma effect, the phase change layer is changed, thereby changing the resistance state of the phase change layer, and realizing the non-volatile and continuously adjustable sensitivity of the pressure sensor , the pressure sensor with memory function has low power consumption and low delay, and will be widely used in smart skins integrating sensing, storage and computing.
Owner:江苏集萃脑机融合智能技术研究所有限公司
Continuous heterogeneous large-area impact monitoring network and impact area location method
ActiveCN108169037BReduce the number of data acquisition channelsThe positioning method is simpleMaterial strength using single impulsive forceElectricityNetwork output
The invention discloses a continuous heterogeneous large-area impact monitoring network and an impact region positioning method, and belongs to the technical field of aerospace intelligent structures.The continuous heterogeneous large-area impact monitoring network comprises linear piezoelectric sensor continuous series arrays and linear piezoelectric sensor discrete independent arrays which arearranged alternately, and the whole monitoring network is embedded in the interior of an aircraft composite material structure or arranged on the surface of the aircraft composite material structure to form a smart skin. When the structure is impacted by an external object, the monitoring network outputs an impulse response signal. After the impulse response signal is digitized, an impact positionis determined by an impact region positioning method. The continuous heterogeneous large-area impact monitoring network can greatly reduce the number of sensor lead wires needed for large area impactmonitoring of the smart skin of an aircraft and the number of data acquisition channels required by an impact monitoring system, can reduce the complexity of an impact monitoring system processor, reduces power required for impact position calculating so as to improve the reliability of the impact monitoring system.
Owner:NANJING UNIV OF AERONAUTICS & ASTRONAUTICS
A smart skin based on a small-scale distributed optical fiber sensing array
ActiveCN112212898BImplementing Distributed Sensing FunctionsIncrease the sensing areaConverting sensor output opticallyComputer hardwareMedical equipment
The invention discloses an intelligent skin based on a small-sized distributed optical fiber sensing array, and specifically relates to the field of intelligent optical fiber sensing, including a skin sensing array, an embedded optical fiber sensing array, a data acquisition system module, and data processing mode recognition module. The body of the smart skin is a flexible material; the epidermis and the embedded optical fiber sensing array are multiple all-fiber interferometric sensor arrays; the data acquisition system module includes a broadband light source, a photosynthesis / splitter, an optical path switch, a signal detector and a computer; The processing pattern recognition module includes neural network pattern recognition and training; the smart skin also includes peripheral display software for realizing intelligent sensing recognition of touch, position, shape, and object composition, temperature, vibration, etc. The invention plays an important role in the fields of intelligent robots, industrial control facilities, intelligent buildings, medical equipment, Internet of Things, inspection and detection, military affairs, aerospace and the like.
Owner:SHANDONG UNIV OF SCI & TECH
A large-area graphene-based flexible substrate and preparation method thereof
ActiveCN112695275BGood flexibilityImprove bending resistanceElectrical apparatusVacuum evaporation coatingEngineeringGraphite
The invention discloses a large-area graphene-based flexible substrate and a preparation method thereof. The large-area graphene-based flexible substrate includes a large graphene layer, a buffer layer, and an upper intercalation layer arranged sequentially from bottom to top. The material of the buffer layer is metallic silver, and the material of the upper intercalation layer is metallic titanium. The graphene flexible substrate may further include an upper electrode layer, and the upper electrode is disposed on the surface of the upper intercalation layer. In the present invention, the upper electrode and the graphene are tightly connected together by adding a buffer layer and an upper intercalation layer. The design solves the problem that the graphene surface is difficult to bond with other materials. The atomic-level flatness of the substrate surface provides technical support for its further functionalization. The large-area graphene-based flexible substrate has great application prospects in the fields of smart skin, flexible wearable devices, and flexible electronic devices.
Owner:WUHAN UNIV OF TECH
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