33 results about "Smart skin" patented technology

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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

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.

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.