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323 results about "Self sensing" patented technology

Self sensing component interface system

The subject innovation provides for systems and methods to optimize control systems for networked industrial sensors or devices and methods for self sensing, communicating with, monitoring of, controlling and optimizing utilization of networked industrial sensors and related control systems primarily in an industrial automation environment. The invention provides self-sensing and communication with sensors, and integration of control methods and strategies with decision support and logistics systems, to optimize specifically defined operational and performance objectives.
Owner:ROCKWELL AUTOMATION TECH

Self sensing component interface system

ActiveUS8571904B2Compliance of a sensor or device can be more easily assessedEasy to handleComputer controlSimulator controlLogistics managementControl system
The subject innovation provides for systems and methods to optimize control systems for networked industrial sensors or devices and methods for self sensing, communicating with, monitoring of, controlling and optimizing utilization of networked industrial sensors and related control systems primarily in an industrial automation environment. The invention provides self-sensing and communication with sensors, and integration of control methods and strategies with decision support and logistics systems, to optimize specifically defined operational and performance objectives.
Owner:ROCKWELL AUTOMATION TECH

System and method for in-flight trajectory path synthesis using the time sampled output of onboard sensors

Disclosed are a system, method, and program storage device implementing the method, of data fusion, wherein the method comprises determining pre-launch data affecting a flight of a self-sensing air-bursting ballistic projectile, the projectile comprising a plurality of independent data sensors; predicting a trajectory path of the projectile based on a target location of the projectile; calculating trajectory path errors based on the predicted trajectory path; generating in-flight data from each of the data sensors; combining the in-flight data into a single time-series output using a fusion filter; tracking a trajectory position of the projectile based on the single time-series output, pre-launch data, and the trajectory path errors; comparing the tracked trajectory path with the predicted trajectory path; analyzing the in-flight data to gauge successful navigation of the projectile to the target location; and self-guiding the projectile to the target location based on the trajectory position.
Owner:UNITED STATES OF AMERICA THE AS REPRESENTED BY THE SEC OF THE ARMY

Self-sensing stents, smart materials-based stents, drug delivery systems, other medical devices, and medical uses for piezo-electric materials

A medically implantable stent comprising at least one piezo-electric material may be active, such as by one or more of: delivering an anti-coagulant or other therapeutic effect to a patient in which it is implanted; powering itself; and / or sending an outbound electronic signal to a remote device. When a stent can send such an outbound signal, a physician may non-invasively ascertain the condition of the tissue near the stent.
Owner:VIRGINIA COMMONWEALTH UNIV

Solar panel wind turbine communication server network apparatus method and mechanism

The method included herein is an alternative energy wireless solar panel wind turbine communication server appliance node mechanism with built in communications server array, wireless energy and communications mechanism with protection, sharing, storage, accessing, authentication, battery management, certification, processing attachment and tracking mechanisms. The method and mechanism is utilized via networked servers, solar panels, and wireless electronic devices (online and offline) as well as mobile (wireless) communications devices built into one waterproof, temperature, controlled self-sensing hardware package. The method and mechanism also works as part of a kilowatt hour banking system, and thermal passive solar control mechanism for living spaces.
Owner:VALIN DAVID +1

Remote-controlled motion apparatus with acceleration self-sense and remote control apparatus therefor

A remote-controlled motion apparatus is controlled by a remote control apparatus. The remote control apparatus transmits a target motion signal by radio. The remote-controlled motion apparatus includes a communication module, an acceleration sensing module, a processing module and a driving module. The communication module receives the target motion signal from the remote control apparatus. The acceleration sensing module senses an acceleration of the remote-controlled motion apparatus to output an acceleration sensing signal. The processing module is coupled with the acceleration sensing module and the communication module, and processes the acceleration sensing signal and the target motion signal to output a driving control signal. The driving module is coupled with the processing module to receive the driving control signal, and adjusts the driving of the remote-controlled motion apparatus according to the driving control signal.
Owner:DRONE TECH

Self-sensing dielectric actuator system

A self-sensing dielectric actuator system. The system has a deformable dielectric material between two electrodes. A relatively low frequency actuating signal is applied to the electrodes and thereby causes the dielectric material to deform, moving at least one electrode. A relatively high frequency sensing signal applied across the electrodes indicates how far the electrode has moved. The system may be calibrated by using a laser or other sensor to mechanically measure the amount of movement. An object may be displaced a desired distance by coupling the object to the electrode and using the sensing signal to measure how far the object has moved.
Owner:BOARD OF RGT NEVADA SYST OF HIGHER EDUCATION ON BEHALF OF THE UNIV OF NEVADA RENO

System for detecting abnormity of proxy cache cluster based on automatic computing

The invention belongs to the field of optics and discloses a system for detecting abnormity of a proxy cache cluster based on automatic computing, for solving the problem that the existing proxy cluster system is huge in scale and serious results are caused if abnormity cannot be detected in time. The system comprises a state detection module, a state self-sensing module, a state self-recovery module and an algorithm execution module, wherein the state detection module is used for monitoring the state of distributed proxy clusters so as to acquire detailed data when the distributed proxy clusters runs; the state self-sensing module is used for receiving state data provided by the state detection module, analyzing the state data and identifying the running state of the current distributed proxy clusters; the state self-recovery module is used for judging parameters to be adjusted and adjustment degrees according to the running state results acquired by the state self-sensing module, and transmitting a parameter adjustment command to the algorithm execution module; the algorithm execution module is used for executing the parameter adjustment command transmitted by the state self-recovery module and dynamically changing running parameters. The system is applied to a proxy cluster system.
Owner:HARBIN INST OF TECH

Optical fiber grating intelligent steel strand and its manufacture method

An intellectual steel strand for fiber lattice, which is molded by the stranding of central wire and wires around the central wire, the central wire is the enhanced composite intellectual rib of fiber lattice of a fiber lattice sensor; the intellectual rid comprises a fiber enhanced rid and fiber distributed along the lengthwise direction of the fiber enhanced rib, the fiber lattice sensor; a plastic sleeve is sleeved around the fiber without lattice, separates from the fiber and is connected with the fiber enhanced rib; the fiber transmitted by the fiber lattice sensor is led out from the head of the steel strand; a preparation method of the steel strand comprises the following steps of: firstly preparing the fiber lattice fiber enhanced composite intellectual rib; scattering stranding machines with the same length with the intellectual rib and substituting the central wire of the steel strand with fiber lattice fiber enhanced composite intellectual rib and finally molding the wire through stranding. The invented intellectual steel strand has self sensing property with all the advantages of fiber lattice, which can easily grasp the stress condition of the steel strand in the construction and service periods and instruct the tensioning of initial stress and the construction.
Owner:LIUZHOU OVM MASCH CO LTD

Intelligent diamond cutter capable of sensing cutting state without any wire

The invention provides an intelligent diamond cutter capable of sensing a cutting state without any wire and belongs to the technical field of diamond cutters. The intelligent diamond cutter capable of sensing the cutting state without any wire comprises a diamond cutter blade, an intelligent diamond cutter blade, a cutter rod, a sensor system and a sensing signal processing system. The intelligent diamond cutter blade is fixed on the front portion of the cutter rod. The diamond cutter blade is fixed at the upper end of the front portion of the intelligent diamond cutter blade. The sensor system is arranged in the intelligent diamond cutter blade. The sensing signal processing system is arranged in the cutter rod. The intelligent diamond cutter capable of sensing a cutting state without any wire applies the self-sensing intelligent diamond cutter blade which is formed by combining a sensor system array and the diamond cutter blade, a single actuator function of a cutter which can only be applied in cutting is broken through and sensor conversion of the intelligent cutter capable of self monitoring in real time is achieved. The intelligent diamond cutter capable of sensing a cutting state without any wire has the advantages of being simple and compact in structure, high in integration degree, easy and convenient to use, low in cost, strong in practicality and high in measuring precision and sensitivity.
Owner:HARBIN INST OF TECH

Self-powered and self-sensing magnetorheological (MR) fluid damper

The invention discloses a self-powered and self-sensing magnetorheological (MR) fluid damping device, which comprises an MR damper component, a generating component, a control unit and a sensing component, wherein the MR damper component is provided with a damper piston assembly and a damper cylinder; the damper piston assembly can shift relative to the damper cylinder under external excitation; the generating component is used for generating a voltage signal according to the shift of the damper piston assembly; the control unit is used for estimating the shifting speed according to the generated voltage signal, and outputting damping drive current based on the estimated speed; the sensing component is provided with at least one coil for generating MR fluid field strength; and the sensing component is used for receiving the damping drive current to change the field strength, and thereby, the MR damper component is controlled to provide an adjustable damping force.
Owner:THE CHINESE UNIVERSITY OF HONG KONG

Intelligent FRP (Fiber Reinforce Plastic)-concrete composite structure and manufacturing method thereof

The invention discloses an intelligent FRP (Fiber Reinforce Plastic)-concrete composite structure and a manufacturing method of the intelligent FRP-concrete composite structure. The intelligent composite structure comprises an intelligent FRP layer, a reinforced concrete core and an anchoring device, wherein the intelligent FRP layer is formed by carbon fibers or carbon fiber mixed with other fibers and impregnated by resin, and in the composite structure, the intelligent FRP layer both serves as structural material and plays a sensing function. The intelligent FRP layer is wrapped on the stressed side of the reinforced concrete core, certain prestress is applied on the intelligent FRP layer to better play the high strength property of the FRP, and the intelligent FRP layer is connected with the reinforced concrete core through resin adhesion and mechanical connection of anchorage device. The intelligent FRP-concrete composite structure not only has high carrying capacity, self sensing function, excellent corrosion resistance and high durability, but also has strong designability of performance and structure.
Owner:SOUTHEAST UNIV

Self-exciting, self-sensing piezoelectric cantilever sensor

A piezoelectric cantilever sensor includes a piezoelectric layer and a non-piezoelectric layer, a portion of which is attached to the piezoelectric layer. In one embodiment, one end of the non-piezoelectric layer extends beyond the end of piezoelectric layer to provide an overhang. The overhang piezoelectric cantilever sensor enables increased sensitivity allowing application of the device in more viscous environments, such as liquid media, as well as application in liquid media at higher flow rates than conventional piezoelectric cantilevers. In another embodiment, the sensor includes first and second bases and at least one of the piezoelectric layer and the non-piezoelectric layer is affixed to each of the first and second bases to form the piezoelectric cantilever sensor. In this embodiment, the sensor is robust and exhibits excellent sensing characteristics in both gaseous and liquid media, even when subjected to relatively high flow rates.
Owner:DREXEL UNIV

Two-wheeled balancing electric vehicle

A two-wheeled balancing electric vehicle; a connecting body partially overlaps with a left support assembly and a right support assembly respectively; a plurality of elastic devices are arranged in the vertical direction, with at least one elastic device disposed at the front end position between the connecting body and the right support assembly, with at least one elastic device disposed at the rear end position between the connecting body and the right support assembly, with at least one elastic device disposed at the front end position between the connecting body and the left support assembly, with at least one elastic device disposed at the rear end position between the connecting body and the left support assembly. Under the function of the elastic device at the front end, the force of the malfunction of leaning backwards will be absorbed, in order to prevent the balancing vehicle from opening self-sensing of leaning backwards, so that the danger is avoided.
Owner:JIANGSU DIAN NEW ENERGY VEHICLE IND CO LTD

Utilization of Mechanical Quadrature in Silicon MEMS Vibratory Gyroscope to Increase and Expand the Long Term In-Run Bias Stability

A method for self-compensation of the bias draft of the quadrature signal of a gyroscope. The method is a combination of a variety of sub-methods, which can include quadrature compensation, can be used to achieve the highest possible stability. The calibration methods include a temperature self-sensing algorithm utilizing the drive-mode resonance frequency for calibration of thermal drift in the mechanical parameters of the system, a sideband-ratio approach for direct detection of mechanical drive-mode amplitude, modifying the AC and DC components of the amplitude gain control (AGC) for improved stability, and an approach for compensation of thermal drift in the sense-mode pick off system by utilizing mechanical quadrature. By using some or all of the four methods of calibration above, the highest level of long term in-run bias stability can be achieved.
Owner:RGT UNIV OF CALIFORNIA

Method of Real Time Monitoring of Well Operations Using Self-Sensing Treatment Fluids

Downhole conditions in a wellbore may be monitored in real time by pumping into the well a sensing treatment fluid which includes a piezoelectric or piezoresistive material and measuring changes in electrical resistivity within the wellbore. The monitoring in real time of the piezoelectric or piezoresistive material enhances the integrity of the wellbore during the setting of the treatment fluid as well as during the lifetime of the well.
Owner:BAKER HUGHES INC

Multifunctional cement composites with load-bearing and self-sensing properties

ActiveUS20160340245A1Enhances ability to sense damageMaterial resistanceElectrical impedance tomographyCarbon nanotube
A method for creating multifunctional cementitious composites that provide load-bearing and self-sensing properties. The method involves dispersing conductive nanomaterials (e.g., multi-walled carbon nanotubes) into a polymer (e.g., latex) material from which a thin film is created and deposited (e.g., sprayed) onto aggregates, which after drying, can be incorporated with cementitious materials and desired liquids and cast, along with sufficient number of electrodes, into a form for curing. After curing, the resultant structure can be electrically tested through the electrodes, for structural characteristics, including determination of damage severity and location using back-calculation utilizing electrical resistance tomography (ERT), or electrical impedance tomography (EIT), to generate a spatial resistivity map (distribution).
Owner:RGT UNIV OF CALIFORNIA

Pressure self-sensing intelligent insole with self-power generation function

InactiveCN104207409AMonitor activity levelMonitor walking healthBatteries circuit arrangementsInsolesSelf sensingStep number
The invention discloses a pressure self-sensing intelligent insole with a self-power generation function. The pressure self-sensing intelligent insole consists of an upper insole body, a lower insole body, an insole interlayer, an electric heating sheet, a piezoelectric stack, a Bluetooth module, a function selection switch, a processing and control module, a storage battery, a mini-USB (mini-Universal Serial Bus) interface and the like, and can communicate with application software on a smart cell phone through Bluetooth. The pressure self-sensing intelligent insole uses the piezoelectric stack, can measure the pressure of a foot and count a step number during walking without an external sensor so as to monitor the problems of the activation level and walking heath of a user and the like, can also generate electric energy, and has the self-power generation function; the pressure self-sensing intelligent insole also has a cell phone charging function, can supply a little electric energy for the cell phone so as to deal with emergencies, and is particularly suitable for being used in the open air without a power supply; the pressure self-sensing intelligent insole has the advantages of energy saving, convenience in use, simple and convenient installation, low cost and the like.
Owner:JILIN UNIV

FRP (fiber reinforced plastic) optical fiber intelligent composite rib embedded with steel strand

InactiveCN102146713AEnhance anti-corrosion and durabilityEnhanced resistance to electromagnetic field interferenceForce measurement by measuring optical property variationThermometers using physical/chemical changesGratingFiber Bragg grating
The invention discloses an FRP (fiber reinforced plastic) optical fiber intelligent composite rib embedded with a steel strand, which belongs to the technical field of safety monitoring and structural materials and is characterized in that the steel strand and the optical fiber or a fiber bragg grating are parallelly embedded in the FRP rib along the length direction of fiber resin and are organically integrated through a pultrusion process, wherein the steel strand is embedded in the middle of the FRP rib, the optical fiber or the fiber bragg grating is embedded at the outer side of an FRP covering; or the optical fiber or the fiber bragg grating is embedded in the middle of the FRP rib, and the steel strand is embedded at the outer side of the FRP covering. The FRP optical fiber intelligent composite rib has the effects and advantages that the optical fiber intelligent composite rib has high modulus, good durability and self-sensing property, and can be widely applied to projects of bridge stay cables and booms and the like as a novel material in civil engineering and a sensing element for long-time monitoring.
Owner:DALIAN UNIV OF TECH

Patch-type extrinsic fabry-perot interferometric fiber optic sensor and real-time structural vibration monitoring method using the same

A patch-type extrinsic Fabry-Perot interferometric fiber optic sensor and a real-time structural vibration monitoring method using the same are disclosed. The patch-type extrinsic Fabry-Perot interferometric fiber optic sensor is provided by combining the existing EFPI (Extrinsic Fabry-Perot Interferometer) fiber optic sensor with a direction-detecting sensor which can acquire direction information of a strain of a structure, which can solve a signal distortion problem occurring in the existing EFPI fiber optic sensor through a simple signal process. The patch-type extrinsic Fabry-Perot interferometric fiber optic sensor includes a piezoelectric material which can apply a control force to the existing EFPI fiber optic sensor, and a self-sensing bridge circuit for extracting the direction information when the piezoelectric material is used as an actuator, so that the sensible range of strain can be extended and the piezoelectric material can directly be used as the actuator based on the sensed signal.
Owner:KOREA ADVANCED INST OF SCI & TECH

Self-sensing piezoelectric diaphragm pump

The invention relates to a self-sensing piezoelectric diaphragm pump which at least comprises a compound sheet type piezoelectric vibrator, a pump body, a pump cover, one set of one-way valves of controlling the fluid moving direction, and a control power supply. The self-sensing piezoelectric diaphragm pump is characterized in that the compound sheet type piezoelectric vibrator is formed by sequentially adhering a PZT (Piezoelectric Transducer) piezoelectric wafer (used as a driver), a metal substrate and a PVDF (Polyvinylidene Fluoride) piezoelectric film (used as a sensor), wherein the piezoelectric driver and the piezoelectric sensor are respectively connected with a control power supply through leads, when the piezoelectric driver is bent for deformation under the action of an external voltage, the piezoelectric sensor is bent for deformation and generates electric energy, a voltage signal generated by the electric energy is properly converted and processed and then is used for characterizing output pressure and flow of the piezoelectric pump. The invention has the advantages that two functions of driving and sensing monitoring are realized by using the compound sheet type piezoelectric vibrator, and the output performance of the piezoelectric pump can be monitored in real time without other pressure and flow measurer apparatuses.
Owner:ZHEJIANG NORMAL UNIVERSITY

Dielectric elastomer self-sensing using plane approximation

The present invention provides a method for obtaining feedback parameters related to the state of a dielectric elastomer (DE). The method comprises introducing a small-scale oscillation to the voltage difference between electrodes of the DE, monitoring or repeatedly measuring several measurable electrical characteristics of the DE, deriving other relevant data from the measurements, deriving an equation for a plane of best fit through the relevant data when defined as orthogonal axes, and deriving the feedback parameters from coefficients of the plane equation. The method thus provides important feedback regarding the capacitance, leakage current and / or electrode resistance of the DE. Also disclosed are a computer program and a system adapted to perform the method.
Owner:AUCKLAND UNISERVICES LTD

Intelligent operating system and method for train examination robot of railway vehicle

ActiveCN107364459AImprove the quality of inspection workImprove train inspection operation environmentRailway inspection trolleysRailway auxillary equipmentInformatizationAutomatic control
The invention discloses an intelligent operating system and method for a train examination robot of a railway vehicle, and belongs to the field of technical inspection of railway freight trains. The intelligent operating system for the train examination robot of the railway vehicle comprises a train examination robot system, a train examination operation, monitoring and management platform and a train examination wireless network platform; a wheel type robot and an air-control big gate are controlled to combine with an automatic control technology, a laser detection technology, an inactive radio frequency transmission technology, a position self-sensing technology, a machine visual technology and a digital image analysis technology to acquire holographic data of a to-be-detected vehicle; a mode identification technology is utilized to perform treatment and analysis as well as decision-making, so that brake test automation, part quality state diagnosis informatization, fault treatment monitoring and reexamination traceability after train maintenance in train examination operation of the railway vehicle are realized. The intelligent operating system realizes replacing manual examination by robot examination, can be suitable for different environments of train examination application places across the country, can comprehensively improve quality and efficiency of train examination operation, and has relatively great social benefits and economic benefits.
Owner:BEIJING CTROWELL INFRARED TECHN +1

Self-perception portable image wireless monitoring equipment and use method thereof

The invention relates to a portable self-sensing and wireless image monitoring device and a using method thereof, in particular to an intelligent on-site image monitoring device and a detecting method thereof and belongs to the embedded technical field and the technical field of integrated circuit. The device is characterized by comprising an image acquisition module (1), a motion detection module (2), a moving vehicle module (3), an image compression module (4), an SD card data storage module (5), a wireless network transmitting module (6), a front-end power module (7) and a handheld display terminal (8). The image monitoring device can catch suspicious on-site situation intelligently and store the image in real time when in use, and remote monitoring can be realized by network transmission. The device and the method have the advantages and beneficial effects of low equipment cost, small volume, low power consumption, flexible design, good expandability, real-time intelligence and good market prospect, and the device can be mainly applied to theft proof, fire proof, and the like, in the family and temporary commercial or operation occasions.
Owner:DALIAN UNIV OF TECH

Piezoelectric self-sensing based adjustable damper

The invention discloses a piezoelectric self-sensing based adjustable damper. The piezoelectric self-sensing based adjustable damper comprises an upper lifting lug, a dustproof cover, a piston rod, a guide seat assembly, a working cylinder barrel, a working piston assembly, a seal ring, a floating piston, a closed air chamber and a lower lifting lug, wherein the working piston assembly comprises a compression block, a limiting block, a limiting rod, a piezoelectric valve plate, a piston, a flow valve, a piston packing ring, a rebound valve, a preset normal open hole and a compression nut; the piezoelectric valve plate is formed by connecting a plurality of piezoelectric displacement units in series; each piezoelectric displacement unit is composed of a piezoelectric material stack layer and a displacement enlargement mechanism. The piezoelectric valve plate generates induced charge under the action of oil pressure, extracts induced voltage and exerts control voltage via a bridge circuit to change the size of the valve plate so that the size of a throttling area changes and a damping coefficient is adjustable. Based on the piezoelectric self-sensing effect, a sensor and an actuator are integrated on the same valve plate, the piezoelectric self-sensing based adjustable damper is simplified in structure, stable to control and high in dynamic response speed, and the capacity coupling is avoided.
Owner:JIANGSU UNIV

Displacement self-sensing HeNe laser system with cats eye as endoscope

The invention is a kind of shift self-sensing HeNe laser system which uses cats eye, the invention belongs to laser shift sensor technology, the character lies in: it is made up of convex lens and concave mirror, the interval between the convex lends and the concave mirror uses adjustable cats eye to replace the reflecting mirror in the half-intracavity, the cats eye is connected to a side pole which can move on the track; the double-deflection element in the half-intracavity is a reflection reducing window on whose two limiting surfaces there coated with reflection reducing coating on one port of the discharging tube, there also has a reinforcing ring on the window. The laser can realize that the proportion of the vertical model interval and the emitting band can reach 4:3, and the laser power can maintained stable when the cats eye is in moving, avoids the failure of the laser cavity, maintains the system work normally in a large measuring range.
Owner:TSINGHUA UNIV

Self Sensing Integrated System and Method for Determining the Position of a Shaft in a Magnetic Bearing

A magnetic bearing system and related method that utilizes self-sensing in order to determine and adjust the position of a shaft within the bearing. Magnetic bearings levitate a rotating object with a magnetic field and are unstable in open-loop operation. Position feedback control is required to maintain a rotor in a centered position. The system and related method uses a unique design to sense the position of the rotating object with greater accuracy. It comprises coils which are used both to detect and adjust the position of the rotating object and a control system which supplies signals in a time-multiplexed manner in order to determine the position with accuracy while still allowing the same coils that are used to detect position to also supply a field to control the position of the rotor.
Owner:UNIV OF VIRGINIA ALUMNI PATENTS FOUND

Two-phase opposed super magnetostrictive self-sensing driver

The invention discloses a two-phase opposed super magnetostrictive self-sensing driver, relates to a super magnetostrictive material self-sensing technology and a micro drive technology and belongs to the technical fields of micro drive and electrical control. According to the two-phase opposed super magnetostrictive self-sensing driver disclosed by the invention, the driving and self-sensing function of the driver is achieved by using magnetostriction and converse magnetostriction effects of a super magnetostrictive rod; two self-sensing driving assemblies are symmetrically arranged on two sides of a connecting piece (17) by disc springs (16) for mutually coupling to output a certain displacement and driving force; the pre-compression of the super magnetostrictive rod is accurately controlled and finely adjusted, so that the super magnetostrictive rod works in a linear interval; stable differential voltage is applied to two driving coils by a dual-output digital control power supply with a self-sensing detection and feedback function and a self-sensing signal is monitored in real time by using a real-time dynamic balance signal based on a DSP (Digital Signal Processor) high-speedsinglechip microcomputer, so that the real-time control and accurate positioning for the displacement of the connecting piece (17) are realized; and the two-phase opposed super magnetostrictive self-sensing driver is especially suitable for the field of hydraulic servo control.
Owner:BEIJING UNIV OF TECH
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