| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 702043000 | Torsional, shear, tensile, or compression | 50 |
| 20080215258 | Tension Monitoring Arrangement and Method - Tension monitoring is described using a sensor which may exhibit an offset for which compensation may be provided to produce a zero voltage amplified output or to increase dynamic range. An arrangement determines whether a power reset is responsive to a battery bounce such that an initially-measured system start-up parameter can be retained. The start-up parameter is automatically saved at start-up if the power reset is responsive to a start-up from a shut-down condition. The start-up parameter may be a zero tension amplified output responsive to the sensor offset at zero tension. Protection of a tension data set is provided such that no opportunity for altering the data set is presented prior to transfer of the data set. A housing configuration forms part of an electrical power circuit for providing electrical power to an electronics package from a battery. | 09-04-2008 |
| 20080281533 | PROCESS AND DEVICE FOR CONTROLLING THE DEFORMATION OF A METAL PART, IN PARTICULAR FOR REDRESSING A METAL PART - The method for tracking deformation of a metal part subjected to a pressure force (F) comprises the steps of measuring the displacement (d) of the metal part in the deformation zone, of measuring the intensity of the pressure force (F), of calculating, during a first period, the constant ratio (α) between the intensity of the pressure force (F) and the displacement (d) of the metal part, and of determining, during a second period, displacement values (d | 11-13-2008 |
| 20080319684 | Method and system for determining the torque induced in a rotating shaft - A method of determining the torque induced in a rotating shaft ( | 12-25-2008 |
| 20090119031 | Member Designing Method, Member Designing Apparatus, Computer Program Product, and Computer-Readable Recording Medium - A first step where a computer performs press forming analysis based on a shape of a formed product or a shape of a member, a blank holder force, a friction coefficient, a tensile strength of a material, a yield strength, a stress-strain relation, and a sheet thickness, as press forming conditions, to calculate sheet thickness distribution and post-formation strain distribution of the formed product; and a second step where the computer performs performance analysis based on the sheet thickness distribution, the post-formation strain distribution, and the shape of the formed product or the shape of the member, as state amounts of the formed product, to calculate performance of the member are included, in which the computer repeats the calculations performed in the process from the first step through the second step a predetermined number of times, with at least one of the press forming conditions being changed, to output an optimum press forming condition that gives a maximum value or a target value of the performance. | 05-07-2009 |
| 20090326837 | System and Method for Multi-axis Simulation - A multi-axis fatigue testing device includes a multiple input, multiple output mechanical linkage driven by a plurality of actuators and a controller operating each of the plurality of actuators in real time and in synchronization to produce user-defined multiple fatigue cycle profiles. A startup method enables a sample mounted at an arbitrary multi-axis state to receive a desired simulation profile while maintaining the sample below any of the extremum values of the desired simulation profile. | 12-31-2009 |
| 20090326838 | Torque measurement device and program - [Problems] To provide a torque measurement device capable of more accurately specifying positions of reflectors which are attached to a rotating body, and more accurately obtaining a torque of the rotating body. | 12-31-2009 |
| 20100076701 | RESISTIVE FORCE SENSING DEVICE AND METHOD WITH AN ADVANCED COMMUNICATION INTERFACE - Several methods and a system of a resistive force sensing device and method with an advanced communication interface are disclosed. An exemplary embodiment provides a force measuring device. The force measuring device includes a resistive sensor having a fixed surface and a movable surface. A spring assembly is positioned between the fixed surface and the movable surface. The spring assembly alters in height in response to a force applied perpendicular to the movable surface and causes a change in a resistance of the resistive sensor. A circuit generates a measurement of the force based on an algorithm that considers a change in the resistance of the resistive sensor. A universal serial bus (USB) interface of the circuit provides digital output of the measurement to a computing device. | 03-25-2010 |
| 20100131211 | METHODS AND SYSTEMS FOR VERIFYING SENSOR BOND INTEGRITY AND STRUCTURES EMPLOYING SUCH SYSTEMS - Methods and systems are disclosed for determining an amount of bond between a structure and sensor. A method may include performing a process associated with a sensor bonded to a structure and generating measured data in response to the process. The method may further include comparing the measured data to known reference data to determine integrity of a bond between the sensor and the structure. A system may include a sensor system including at least one sensor bonded to a structure. The system may further include a sensing system configured to initiate an application of one or more stimuli to the at least one sensor and monitor a property associated with the at least one sensor. The sensing system may further be configured to determine an amount of bond between the at least one sensor and the structure based on the monitored property. Structures having one or more sensors bonded thereto and an associated sensing system for determining bond integrity between the one or more sensors and the structure are also disclosed. | 05-27-2010 |
| 20100198530 | ESTIMATION OF NON-EQUIBIAXIAL STRESS USING INSTRUMENTED INDENTATION TECHNIQUE - Method for evaluating an asymmetric residual stress for a material by the indentation test comprises applying the residual stresses with an uniaxial and an symmetrical biaxial tensions on the material and then performing an instrumented indentation test indenting an asymmetric indenter on the material; and comparing a slope of indentation load-depth curve when the long diagonal direction of the asymmetric indenter is perpendicular to the direction of the largest residual stress with that in stress-free state, and then a slope of indentation load-depth curve when the long diagonal direction of the asymmetric indenter is parallel to the direction of the largest residual stress with that in stress-free state, so as to evaluate the asymmetric residual stress for the material. | 08-05-2010 |
| 20100211331 | DEVICE FOR MEASURING LOAD AND DEFLECTION OF MATERIALS - A system for measuring normal load and deflection of a material that includes a portable load deflection device and a method of using the same is disclosed. The system includes a support arm having a first end and a second end opposite said first end. The first end can be attached to a base surface. The support arm can provides at least three degrees of freedom of movement and includes at least one sensor for determining a position of the second end. A uniaxial load cell can be operably attached to the second end. The system can also include a processing system operable to receive position data and corresponding force data when the support arm is used to apply a non-normal compression force to the test surface. The data can be used to calculate normal force versus deflection data for the test surface. | 08-19-2010 |
| 20100262384 | HIGH TENSION CABLE MEASUREMENT SYSTEM AND ASSEMBLY - A tension measurement assembly includes a cable spooled on a spooling device, at least one capstan for directing the cable to a downstream point, and at least one tension measuring device attached to a fixed surface for generating a tension signal indicative of a tension force in the cable. The tension measuring device can include at least one of a tension link, an inclinometer, a tension measuring sheave with a strain axle or load pin, a plurality of load cells, and a freewheeling sheave mounted on a post instrumented with a strain gauge. The tension force is calculated from the tension signal and a cable angle of the cable at the tension measuring device. | 10-14-2010 |
| 20100305878 | MEASURING SYSTEM - A measuring system for tensile or compressive tests is provided. A set of mirrors includes a first plane mirror and a second plane mirror. The angles between the first plane mirror and the first axis and between the second plane mirror and the first axis are both a specific included angle, such that the first and second plane mirrors are symmetrical to the first axis. An object to be tested is disposed between the set of mirrors and an image capturing apparatus. Two extremities of the object have the first and second labels, respectively. The first and second mirror images of the first and second labels are generated through the first and second plane mirrors, respectively. After the object is tensed or compressed, the image capturing apparatus obtains the displacement of the first and second labels according to the shifting of the first and second mirror images. | 12-02-2010 |
| 20110106460 | AUTOMATED COMPONENT VERIFICATION SYSTEM - A system and method are presented for qualifying a component. The system includes a receiving station, a control section, a plurality of test/inspection stations, a data storage section and a marking station. The receiving station receives a component. The control section includes a processor. The plurality of test/inspection stations each include equipment to measure one or more of physical, compositional and resistance properties of the component. The processor and the equipment cooperate to compare the measured properties to predefined properties for acceptance of the component, and to determine conformance between the measured properties and the predefined properties to qualify the component for use. The data storage section includes data store that receives and stores the predefined properties, the unique identifier, and the measured properties of the component. The marking station includes marking equipment to mark the component with the unique identifier. | 05-05-2011 |
| 20110118994 | Strength Measurement for Bond Lines - The different advantageous embodiments provide a method and apparatus for inspecting a structure. In one advantageous embodiment, an electromagnetic force is generated on a portion of a bond line for a plurality of parts in the structure. The structure contains a conductive material. A determination is made as to whether an inconsistency is present in the portion of the bond line after generating the electromagnetic force on the portion of the bond line. | 05-19-2011 |
| 20110137578 | Z-AXIS TEST COUPON STRUCTURE AND METHOD FOR ADDITIVE MANUFACTURING PROCESS - A Z-axis test coupon structure includes a plurality of circularly-arranged tensile specimens oriented along a Z-axis and at least one web connecting adjacent ones of the plurality of tensile specimens. | 06-09-2011 |
| 20110178730 | Flexible Pipe Fatigue Monitoring Below the Bend Stiffener of a Flexible Riser - A flexible pipe fatigue monitoring system | 07-21-2011 |
| 20110178731 | WIRELESS SENSOR FOR CONTROLLING THE TENSION OF TRACTION CABLES - The present invention relates to a wireless sensor for controlling the tension of traction cables, formed by a body ( | 07-21-2011 |
| 20110184666 | METHOD OF MEASURING AXIAL FORCE OF BOLT AND INSTRUMENT FOR MEASURING AXIAL FORCE OF BOLT - A bolt-axial-force measuring method and instrument capable of easily and precisely measuring an axial force of a bolt are provided. The bolt is screw-joined and coupled to a piston of a bolt tensioner, and a hydraulic pressure is supplied to its pressure chamber so that the bolt is elongated by applying a tensile force equal to or more than a necessary bolt-fastening force. A nut separating from a fastened member due to the elongation of the bolt is seated again on the fastened member, and the hydraulic pressure in the pressure chamber is discharged to release the tensile force of the bolt. A pressure change of the pressure chamber from which the hydraulic pressure is discharged is detected by a pressure sensor, a point where a change rate of the pressure change detected by a measuring apparatus is suddenly reduced is detected as an inflection point, and a pressure value of the pressure chamber at the inflection point is multiplied by a pressure receiving area of the pressure chamber, whereby the axial force of the bolt is calculated. | 07-28-2011 |
| 20110213571 | SECTIONAL MAGNETIC ENCODING METHOD AND SYSTEM FOR MEASURING ROTATING SHAFT PARAMETERS - A method for non-contact measurement of multiple shaft parameters is provided. The method includes magnetically encoding multiple sections of the shaft using pulsed currents. The method also includes sensing a magnetic field of the encoded sections of the shaft using multiple sensors arranged circumferentially about the shaft. Further, the method includes generating a spectrum of periodical variations based on sensed magnetic field of the encoded sections of the shaft during rotation and determining multiple parameters based on recurrences of patterns of the spectra. | 09-01-2011 |
| 20110246097 | Method and System for Determining Aerodynamic Loads from Leading Edge Flow Parameters - A method is provided for determining an aerodynamic coefficient for a body immersed in a fluid under a set of fluid flow conditions. The method comprises obtaining surface flow parameter data for a plurality of locations on the body. These locations include body surface points straddling an area of the body surface where a leading edge stagnation point (LESP) is expected to be located. The method further comprises determining the LESP location and an angle of attack of the body with respect to freestream conditions of the fluid using the flow parameter data. The method also comprises determining the aerodynamic coefficient from the LESP location and the angle of attack using an aerodynamic model. | 10-06-2011 |
| 20110251803 | ASSEMBLY, SYSTEM, AND METHOD FOR CABLE TENSION MEASUREMENT - A tension measurement assembly, for measuring and monitoring a tension force in a cable being deployed from a spooling device on which the cable is spooled, comprises at least one force sensor disposed adjacent the spooling device for sensing a force applied to the spooling device and generating a force signal representing the sensed force, and a processor responsive to the force signal for calculating and monitoring a tension force present in the cable. A cable sensor engages the deployed cable for sensing a spooling/unspooling rate and a length of the cable moving past the cable sensor in a pre-determined time period and generating a spooling signal representing the sensed rate and length to the processor for use in the calculating and monitoring of the tension force. | 10-13-2011 |
| 20110257905 | Cable Pull Calculator - A cable pull calculator may be provided. First, wire number data, a wire type, and size data may be received. Next, a minimum conduit size for the conduit maybe calculated based upon the received wire number data indicating the number of wires to be placed in the conduit and the received size data corresponding to each of the wires to be placed in the conduit. Then, the calculated minimum conduit size may be displayed. Next, a first desired conduit size, a conduit type, and pull information indicating a course of the conduit may be received. Then, for each of the plurality of segments, a tension value and a sidewall pressure value may be calculated based at least on the conduit type, the first desired conduit size, the received wire type, and the received size data. The calculated tension value and the calculated sidewall pressure value may then be displayed. | 10-20-2011 |
| 20110276280 | YARN ENTANGLEMENT STRENGTH TESTER - A yarn entanglement strength tester includes first and second rolls that apply incrementally increasing elongation levels on a yarn in order to remove entanglements from the yarn. The yarn entanglement strength tester also includes a third roll, where the second and third rolls apply a constant tension on the yarn which enables optimum diameter measurements of the yarn by a camera. The camera captures images of diameters of the yarn after each of the incrementally increasing elongation levels is applied to the yarn. The yarn entanglement strength tester further includes a computing device that controls operation of the camera and the first, second, and third rolls, and determines an entanglement strength of the yarn based on the captured images of the diameters of the yarn after each of the incrementally increasing elongation levels is applied to the yarn. | 11-10-2011 |
| 20110288792 | MEMBRANE TENSION MEASURING APPARATUS - A membrane tension measuring apparatus comprises: a rectangular frame ( | 11-24-2011 |
| 20120022802 | INDENTATION TEST METHOD AND INDENTATION TEST APPARATUS - A novel indentation test apparatus is provided. The indentation test apparatus is an apparatus for indenting a specimen with a spherical indenter. The indentation test apparatus includes a specimen thickness identifier) that identifies the thickness of the specimen, an equivalent indentation strain calculator that calculates equivalent indentation strain of the specimen by using the thickness of the specimen, and a Young's modulus calculator that calculates Young's modulus of the specimen by using the equivalent indentation strain. Young's modulus E of the specimen preferably ranges from 100 Pa to 100 MPa. The diameter of the spherical indenter preferably ranges from 1×10 | 01-26-2012 |
| 20120029844 | DETERMINING ELASTIC MODULUS FOR CONTINUOUS MATERIAL WEB - A method and apparatus are disclosed for determining elastic modulus for a continuous material web, in which method a continuous material web runs on a roll driven by an electric motor drive. The method includes determining material web speed v | 02-02-2012 |
| 20120166105 | Apparatus For Measuring And Determining The Force, The Torque And The Power On A Crank, In Particular The Pedal Crank Of A Bicycle - The invention relates to an apparatus for measuring and determining the force, the torque and the power on a crank, in particular the pedal crank of a bicycle, comprising an evaluation device, in particular a bicycle computer, and at least one pedal, wherein the force and angular speed variables are converted into electrical signals and supplied to the evaluation device, the pedal comprises a pedal body, a deformation element, a pedal shaft and an angle transmitter, and wherein the force variable is determined by measuring the deformation of the deformation element using strain gauges, preferably by measuring the individual normal strains of the strain gauges, and wherein four pairs of strain gauges assigned to each other are arranged at different angles, preferably +/−45, with respect to the pedal shaft. | 06-28-2012 |
| 20120166106 | GOLF BALL COMPRESSION TESTER - A device for measuring the spring rate of a golf ball is disclosed. The device receives a golf ball between a first anvil and a second anvil. A force gauge is provided on one anvil. A displacer is provided on another anvil. Each anvil defines a ball receiving depression that is larger than the dimples of the golf ball to be measured for negating measurement effects due to golf ball dimples when measurement of the golf ball is conducted. The displacement an anvil is determined. From the force data and displacement data, a spring rate of the golf ball can be calculated and a compression scale value may be calculate and displayed on the device for informing a golfer that is operating the hand held device. | 06-28-2012 |
| 20120179392 | METHOD AND SYSTEM FOR MEASURING STRAIN IN TWISTED CORD - A method for measuring strain in a twisted cord is provided. The method includes the step of securing the ends of the twisted cord in respective cord grips in an initial state and taking a first digital image of at least a portion of the twisted cord in the unloaded state. Image data of the first image is analyzed to determine the number of twists per unit length in the first digital image. A load is applied to the twisted cord. A second digital image of at least a portion of the loaded twisted cord is then taken. The image data of the second image is analyzed to determine the number of twists per unit length in the second digital image. A parameter of the tensioned twisted cord is calculated using the number of twists per unit length in first digital image and the number of twists per unit length in the second digital image. | 07-12-2012 |
| 20120197549 | METHODS AND SYSTEMS FOR EVALUATING TIRE PROPERTIES - A method is provided for evaluating a tire. The method includes impacting the tire with a force; measuring motion information; extracting the resonant frequencies from the measured motion information; and calculating stiffness characteristics of the tire from the resonant frequencies. | 08-02-2012 |
| 20120253703 | TORQUE DISPLAY SYSTEM AND METHOD THEREOF - The present invention discloses a torque display system and a method thereof. This system comprises an input unit, an operation unit, a memory unit, a display unit and a warning unit. The input unit is used to receive a torque signal sensed by the torque tool with or without a torque multiplier and receive a magnification parameter value inputted by the user according to the torque multiplier selected. The operation unit is used to compute a magnified torque value according to the torque signal and magnification parameter value. The display unit is used to display the preset torque value, the magnified torque value and the magnification parameter value inputted. The warning unit is used to alert the user that the preset torque value is reached and the computation of the magnified torque value is completed. The memory unit is used to save magnification parameter values of several torque multipliers. | 10-04-2012 |
| 20120253704 | METHOD AND APPARATUS FOR FATIGUE AND VISCOELEASTIC PROPERTY TESTING OF ASPHALT MIXTURES USING A LOADED WHEEL TESTER - A loaded wheel tester for testing asphalt mixtures comprises a loaded wheel tester having additional means for attachment to specimens under test to provide a measurement of tensile strain and for attachment between a frame of the loaded wheel tester and the loaded wheel to determine position of the loaded wheel over time. Output results demonstrate that viscoelastic and fatigue properties of asphalt mixtures are obtained in equivalent or improved format using a modified loaded wheel tester when compared with known pavement test apparatus and methods. | 10-04-2012 |
| 20120278005 | CLINICAL APPARATUSES - The present invention provides elastic constant and visco elastic constant measurement apparatus etc. for measuring in the ROI in living tissues elastic constants such as shear modulus, Poisson's ratio, Lame constants, etc., visco elastic constants such as visco shear modulus, visco Poisson's ratio, visco Lame constants, etc. and density even if there exist another mechanical sources and uncontrollable mechanical sources in the object. The elastic constant and visco elastic constant measurement apparatus is equipped with means of data storing | 11-01-2012 |
| 20120296578 | SYSTEM, APPARATUS AND METHOD FOR IN SITU FASTENER PRELOAD MEASUREMENT - A system for in situ fastener preload measurement. The system includes a length measuring tool adapted to grip a fastener by the axially opposed ends of the fastener, and a computing device coupled to the length measuring tool and comprising a database and a display. The length measuring tool is provided with tips adapted to seat in indentations disposed in the axially opposed ends of the fastener, with the indentations having a shape complementary to the shape of the tips, and the indentations being disposed such that the deepest points of the indentations are axially opposite each other. | 11-22-2012 |
| 20130024137 | TORQUE SENSOR - A torque sensor for a human-powered object includes a spindle connecting crank arms of the object. In one embodiment, the object can be a bicycle. The torque sensor further includes at least one strain gauge mounted to the spindle in a shear pattern to measure shear strain perpendicular to a radius of the spindle. In some embodiments, the torque sensor further includes a carrier fixed to a hollow interior of the spindle, where at least one strain gauge is mounted to the spindle via the carrier. Advantageously, the torque sensor provides a low cost method to measure power. | 01-24-2013 |
| 20130046486 | SPEED RATE ERROR REDUCTION IN A PULSE DISPLACEMENT CONVERTER SYSTEM - A method for determining a duty cycle in a pulse displacement system, includes generating an analog waveform indicative of an angular displacement of a reference wheel from a wheel; generating a pulse waveform of the analog waveform; generating a duty cycle waveform responsive to the generating of the pulse waveform; accumulating a first count of high states of the duty cycle waveform; accumulating a second count of low states of the duty cycle waveform; determining a first average for the first count and a second average for the second count; and calculating a duty cycle of the pulse waveform as a function of the first average and the second average. Also, the first count includes an additional high state over the low state. | 02-21-2013 |
| 20130211742 | Load Sensing on a Bearing - The mechanical load on a rolling element bearing is determined from the deformation of the rolling element bearing. The local deformation caused by the rolling contact forces is used to determine an average contribution to the mechanical load in order to average out the effect on the deformation as a result of the spread in diameter of the rolling elements of the bearing. The global deformation of the rolling element bearing is determined to calculate a dynamic contribution to the mechanical load. The dynamic contribution takes into account the variations of the mechanical load on the relevant time-scales that have been omitted from the average contribution as a result of the averaging operation. The total mechanical load is the sum of the average contribution and the dynamic contribution. | 08-15-2013 |
| 20130211743 | METHOD FOR MEASURING THE DEFORMATION OF A TURBO-MACHINE BLADE DURING OPERATION OF THE TURBO-MACHINE - A method for measuring the deformation of a turbo-machine blade including:
| 08-15-2013 |
| 20130238257 | SENSOR FOR TENSION MEASUREMENT - A device includes a first sensor and a second sensor. The first sensor is configured to generate a first signal corresponding to a detected first force. The second sensor is configured to generate a second signal corresponding to a detected second force. The first force and the second force has a substantially common direction. The device includes a processor configured to determine a measure of tension using the first signal and using the second signal. The measure of tension corresponds to displacement of an elongate member. | 09-12-2013 |
| 20130275060 | Flexure Elements for Series Elastic Actuators and Related Methods - An arcuate metal element for detecting a rotary force and generating a deformation in response thereto. | 10-17-2013 |
| 20130345992 | METHOD OF DETERMINING THE BREAKING STRESS IN SHEAR OF A PART OF DETERMINED THICKNESS - A method of determining the breaking stress in shear for a part of determined thickness and made up of two elements that are bonded together by a layer of adhesive. A plane sensor emits an ultrasound wave at the part of determined thickness. The plane sensor receives a reflected signal made up of a plurality of successive echoes. A processor unit calculates a fast Fourier transform of the reflected signal. A Gaussian envelope connecting together the peaks of all of the resonances of the fast Fourier transform is determined. A frequency at which the Gaussian envelope is at a maximum is determined. The breaking stress from a predetermined correspondence relationship between the frequency of the maximum of the Gaussian envelope and the breaking stress is determined. | 12-26-2013 |
| 20140046602 | TIRE PRESSURE DECREASE DETECTION APPARATUS AND METHOD, AND COMPUTER READABLE MEDIUM THEREFOR - A tire pressure decreased detection apparatus comprising rotation speed information detection means, rotation acceleration information calculation means, resonance frequency estimate means for time-series estimating a torsional resonance frequency of the rotation speed information, correlation calculation means for, regarding left and right wheels of driving wheels, calculating a time series correlation of the rotation acceleration information of the left and right wheels, and determination means for determining a decrease in pressure of the tires based on the estimated torsional resonance frequency. In a case where the correlation exceeds a predetermined threshold value, the resonance frequency estimate means stops estimating the torsional resonance frequency. | 02-13-2014 |
| 20140052388 | Wire Timing and Tensioning Device - A “semi-automated” device, method and/or system for the determination of line sag in a tensioned (e.g., power) line is described. A prescribed number of waves based on the waves required by a given sag-tension chart is input. After the device is directly or indirectly attached onto the line, the user then induces a wave on the line either by pulling/striking the tensioned line. The device automatically measures the acceleration/inflection of the passing waves and the time of arrival of waves, as well as ambient temperature, and signaling the user upon completion of the measurement. These recorded values can be used to determine the actual sag of the tensioned line, thus avoiding the current error-prone approach of using a manual stopwatch and visual deflection of the waves. | 02-20-2014 |
| 20140207391 | Torque socket structure - A torque socket structure contains a body including a connecting hole for connecting with a torque wrench and a driving orifice for driving nuts or screws, wherein the driving orifice communicates with the connecting hole, the body includes a stepped difference formed between the connecting hole and the driving orifice, and a thickness between the body and the connecting hole is greater than a thickness between the body and the driving orifice; a digital detecting mechanism including a torsion strain gage fixed on a predetermined section of the outer wall of the body which corresponds to the driving orifice, a processing unit electrically connecting with the torsion strain gage so as to receive and calculate torque value detected by the torsion strain gage, a display unit electrically connecting with the processing unit so as to display torque value calculated by the processing unit. | 07-24-2014 |
| 20150066394 | ARRANGEMENT AND METHOD FOR THE SYNCHRONOUS DETERMINATION OF THE SHEAR MODULUS AND OF THE POISSON'S NUMBER ON SAMPLES OF ELASTICALLY ISOTROPIC AND ANISOTROPIC MATERIALS - The invention relates to an arrangement and to a method for the synchronous determination of the shear modulus and of the Poisson's number on samples of elastically isotropic and anisotropic materials. In the arrangement, an indenter is movable in parallel with its longitudinal axis (A) in the direction of the surface of a sample such that a force action is exerted on the material by its tip. The force can be determined by a device for measuring this force and the indenter is additionally deflected in translation along at least one further axis. The longitudinal axis (A) of the indenter is aligned at an angle ≠90° with respect to the surface of the sample and the indenter carries out an upward movement and a downward movement. In this respect, a device is present for calculating the shear modulus G and the Poisson's number v from the contact stiffness k determined in this manner, from the acting normal force P, from the indentation modulus M | 03-05-2015 |
| 20150323435 | Containment integrity sensor device - A containment integrity sensor device has a force sensor integrally formed within an elastic compressible material, the elastic compressible material having a first surface and a second surface opposite the first surface. The force sensor generates a signal in response to a compressive force applied to the first and second surfaces, the signal being indicative of the compressive force. | 11-12-2015 |
| 20160069762 | Electronic Tension Gauge System - A method of computing a tension value is provided. A strain gauge output signal generated by a strain gauge is received. A strain value is determined from the received strain gauge output signal. A pair of calibration points is identified that bound the strain value. A tension-strain equation is determined from the identified pair of calibration points. A tension value is calculated for the band blade using the determined tension-strain equation and the strain value. The calculated tension value is output. | 03-10-2016 |
| 20160116355 | METHOD FOR DETERMINING THE COMPRESSION LEVEL OF A NODE AFTER ULTRASONIC WELDING - A method for determining the compression level of a node by compacting and welding electrical lines inserted into a compression chamber of an ultrasonic welding system, the compression chamber having an adjustable height and width. The method includes inserting the lines into the compression chamber, compacting the lines, determining the compacting cross section of the compacted lines, determining the actual total cross section via a correlation function taking the compacting cross section into account, welding the compacted node with a welding parameter set, determining the welding dimension from the height (h | 04-28-2016 |
| 20160138571 | SYSTEM AND METHOD FOR ESTIMATING ROTOR BLADE LOADS OF A WIND TURBINE - The present subject matter is directed to a method for estimating rotor blade loads, e.g. a blade root resultant moment, of a wind turbine. In one embodiment, the method includes measuring, via one or more sensors, a plurality of operating parameters of the wind turbine. Another step includes estimating out-of-plane and in-plane forces acting on the rotor blade based at least partially on the plurality of operating parameters. Further, the method includes determining an application point for the out-of-plane and in-plane forces along a span of the rotor blade. A further step includes estimating out-of-plane and in-plane moments of the rotor blade based at least partially on the out-of-plane and in-plane forces and the respective application points. Thus, the method includes calculating the load acting on the rotor blade based at least partially on the out-of-plane and in-plane moments. | 05-19-2016 |
| 20160187230 | METHOD FOR DETERMINING REDUCTION FACTOR OF BEARING CAPACITY OF AXIAL LOAD CYLINDRICAL SHELL STRUCTURE - A method for determining a reduction factor of a bearing capacity of an axial load cylindrical shell structure relates to stability checking of main bearing strength thin-walled members of aerospace and architectural structures. Different from experiment experience-based conventional defect sensitivity evaluating method represented by NASA SP-8007, a depression defect is introduced in a manner of applying a radial disturbance load. First, an influence rule of a depression defect amplitude of a single point to an axial load bearing capacity is analyzed by using numerical values, so as to determine a load amplitude range; then, defect sensitivity analysis is performed on depression defects of multiple points; then, experiment design sampling is performed by using load amplitude values and load position distribution as design variables; and finally, based on optimizing technologies such as an enumeration method, a genetic algorithm and a surrogate model, the most disadvantageous disturbance load of the multiple points that limits the defect amplitude is searched for, and a reduction factor of the bearing capacity of the axial load cylindrical shell structure is determined, so as to establish a more physical method for evaluating the defect sensitivity and the bearing performance of the axial load cylindrical shell structure. | 06-30-2016 |
