Abstract: A force measurement assembly with damping is disclosed herein. The force measurement assembly includes a force measurement surface for receiving at least one portion of a body of a subject; at least one force transducer, the at least one force transducer configured to sense one or more measured quantities and output one or more signals that are representative of forces and/or moments being applied to the force measurement surface of the force measurement assembly by the subject; at least one base member disposed underneath the at least one force transducer or forming a part of the at least one force transducer; and a damping member disposed between the at least one base member and a mounting surface on which the force measurement assembly is disposed. A force measurement system that includes the force measurement assembly with damping is also disclosed herein.

Abstract: A device is provided for the early detection of crack formations in work pieces or in components that are subjected to mechanical loading. Wherein in the region of at least one surface at risk of cracking there is arranged at least one testing chamber that is formed by a generative process of manufacturing the work piece or a portion of a work piece and to which a testing medium under pressure is admitted. Either a pressure sensor for determining a drop in pressure resulting from a crack formation of the work piece is connected to the testing chamber or a gas sensor that can also react to a testing medium escaping from the testing chamber in the event of crack formation is arranged in the vicinity of the testing chamber.

Abstract: Micromechanical semiconductor sensing device comprises a micromechanical sensing structure being configured to yield an electrical sensing signal, and a piezoresistive sensing device provided in the micromechanical sensing structure, said piezoresistive sensing device being arranged to sense a mechanical stress disturbing the electrical sensing signal and being configured to yield an electrical disturbance signal based on the sensed mechanical stress disturbing the electrical sensing signal.

Abstract: A torque sensor includes: a base portion fixed to a metal shaft having a rod shape as a measurement object of strain; a strain detection element of a surface acoustic wave type which is arranged in the base portion, and detects the strain of the metal shaft (10) through the base portion; and a fixing portion that is arranged between the base portion and the strain detection element, and fixes the strain detection element to the base portion.

Abstract: An arrangement for operating a sensor, in particular a bridge sensor, comprises a sensor input (Vin1, Vin2) for connecting the sensor (Brdg) and a clocked signal generator (Osc), which is coupled to the sensor input (Vin1, Vin2). Furthermore an amplifier (Amp) is provided for detecting sensor signals (Sn, Sn+1), which is connected on the input side to a signal input (IN+, IN?) for connecting the sensor (Brdg), wherein the detection takes place depending on the clock pulse of the signal generator (Osc). A signal processing device (PROC) is connected to an output (AOUT+, AOUT?) of the amplifier (Amp) and is arranged to demodulate the sensor signals (Sn, Sn+1) that follow one another according to the clock pulse.

Abstract: A force sensing kickboxing apparatus is disclosed. An example apparatus includes a body including an externally facing first side and an internally facing second side and a base connected to the body configured to enable the body to be rotated with respect to the base. The example apparatus also includes an electronic device connected to the base and configured to provide information associated with the body. The example apparatus further includes a sensor housing attached to a portion of the second side of the body forming a pocket between the sensor housing and the portion of the internally facing second side and a sensor positioned within the pocket and communicatively coupled to the electronic device. The sensor is configured to detect an object contacting a portion of the first side of the body in proximity to the sensor.

Abstract: A method of non-destructive evaluation of stress corrosion cracking of structural components made of metal alloys, and a method of evaluation of the remaining lifetime of the structural component made of metal alloys are provided, in which a change in properties of the structural components made of metal alloys being used in operating nuclear power plants is measured according to the degree of atomic ordering (or short range ordering) of alloying atoms, and stress corrosion cracking of the structural components made of metal alloys is thus evaluated. The properties to be measured may be one or more selected from a group consisting of hardness, electrical resistivity and thermal conductivity.

Abstract: Machines and methods capable of evaluating torque-tension and prevailing torque performance of prevailing-torque threaded fasteners. Such a machine may include one or more of the following features: a coordinated drive unit for achieving relative linear and rotational movement of a nut and bolt of a nut-bolt assembly; a sensor unit with multiple reaction torque sensors in series, wherein a lower-range torque sensor is protected from being overstressed while torque is transferred therethrough to a higher-range torque sensor; an optical temperature measurement unit oriented to detect a temperature at a thread interface of a nut and bolt through an opening in a device adapted to rotate the nut; and a bolt recess measurement unit that determines a bolt-through condition of a nut-bolt assembly by detecting a bolt recess of the nut-bolt assembly that has been assembled such that a prevailing torque feature thereof has been encountered.

Abstract: In a torque sensor of an electric power steering device, a natural and comfortable feeling to a driver (driver) is achieved by increasing the physical quantity of the torque sensor around the center of the steering wheel (neutral position). A torsion bar (3) for use in the torque sensor includes a core torsion bar (3A) and a tubular torsion bar (3B). The tubular torsion bar (3B) includes a pair of torsion tubular bar parts (3Ba, 3Bb), accommodates the core torsion bar (3A) in its inside, secures both ends of the core torsion bar (3A) in its inside, and the pair of tubular torsion parts (3Ba, 3Bb) mesh and couple each other by meshing teeth, when the core torsion bar (3A) twists a predefined rotational angle, so that a single torsion bar is configured. The elasticity of the tubular torsion bar (3B) is larger than that of the core torsion bar (3A).

Abstract: A system to measure the installation torque of a screw pile is provided. The system includes a rotary drive and a universal joint-type coupler. A load pin, having at least one sensor, is mounted through the universal joint-type coupler as a pivot pin. The load pin is oriented within the universal joint-type coupler so that at least some of the installation torque is transmitted through the load pin and is measurable by the sensor. Preferably, the load pin is provided with a pair of bores, and then a plurality of sensors are mounted within the bores. More preferably, a differential bridge network is used to obtain a measurable signal from the plurality of sensors.

Abstract: A mechanism is provided for identifying a wire-pull test location on a wire of a microelectronic package. A first distance between a first terminating location of the wire on the microelectronic package and a second terminating location of the wire on the microelectronic package is determined. Based on the first distance, a second distance from either the first terminating location or the second terminating location is determined as the wire-pull test location for testing a strength of a connection of the wire to at least one of the first terminating location or the second terminating location. An adjustment is performed such that a visual guide is oriented on the wire at the wire-pull test location.

Abstract: Torque is transmitted by way of a shaft having an axial groove formed as a keyway therein and a key held in the groove by means of a coin-shaped magnet located in a pocket formed in the floor of the groove. A second element, such as a coupling, is configured to receive the shaft and key therein and has a matching keyway.

Abstract: The system for testing stress corrosion cracking (SCC) includes an autoclave having at least one heating element selectively actuated to heat the interior portion of the autoclave, the autoclave being configured for receiving a liquid and/or gas and for forming a corrosive fluid. The system also includes a circulation assembly having a flow line and a test section line. A plurality of test sections is positioned in series along the test section line and configured for receiving the corrosive fluid via the test section line once the required temperature is reached to expose the specimens directly to the corrosive fluid, the fluid flowing through a section of the flow line parallel to the test section line until the required temperature is reached. The circulation assembly includes a circulating pump, a flowmeter positioned along the flow line, and a pressure assembly mounted on the autoclave.

Abstract: A method of modifying a workpiece includes providing a workpiece, determining a load stress profile associated with a load condition, the load stress profile comprising a load stress greater than a material stress limit of the workpiece, determining a residual stress profile, the residual stress profile comprising a residual stress less than the material stress limit of the workpiece, and providing the workpiece with the residual stress profile, wherein a sum of the load stress and the residual stress is less than the material stress limit of the workpiece.

Abstract: A sensor signal is generated from a plurality of sensors located on a sensing roll, wherein each signal is generated when each sensor enters a nip between the sensing roll and a mating roll during each rotation of the sensing roll. An oscillating component such as a doctor blade or cleaning shower affects a web of material upstream from the nip. Each sensor generates a sensor signal upon entering the nip. A periodically occurring starting reference is generated that is associated with each oscillation of the oscillating component and the signal generated by each sensor is received so that a particular one of the sensors which generated the signal is determined and one of a plurality of tracking segments associated with the oscillating component is identified. The signal is stored to associate the sensor signal with the identified one tracking segment.

Abstract: A system for determining an estimated output from a variable displacement hydraulic pump includes a prime mover, a torque sensor, a pressure sensor, and a displacement sensor. A controller is configured to determine the output torque from the prime mover, determine an input torque to the variable displacement hydraulic pump based upon the output torque, determine an output from one of the pressure sensor and the displacement sensor based upon the signals. The controller is further configured to determine a failure of another of the pressure sensor and the displacement sensor and determine an estimated output from the another of the pressure sensor and the displacement sensor based upon the input torque to the variable displacement hydraulic pump and the output from the one of the pressure sensor and the displacement sensor.

Abstract: There is provided a measuring device capable of measuring a propulsion force and a loss force by using a simple method. A first detection circuit that is a bridge circuit, to which a first strain gauge and a second strain gauge disposed such that detection directions are parallel to a longitudinal direction of a crank are connected, detecting bending deformation x occurring in the crank, and a second detection circuit that is a bridge circuit, to which a third strain gauge disposed such that a detection direction is parallel to the longitudinal direction of the crank and a fourth strain gauge disposed such that a detection direction is perpendicular to the longitudinal direction of the crank are connected, detecting bending deformation y and tensile deformation z occurring in the crank are included.

Abstract: An apparatus, and an associated method, forms a user interface permitting input of input instructions to an electronic device. Input commands are evidence by tactile input forces applied to a force receiving surface. Force sensing elements are positioned to sense indications of the tactile input force. The force sensing element is caused to exhibit a selected input parameter value through application of a selected force thereto by application of a tightening torque to a fastener positioned in proximity to the force sensing element.

Abstract: A sensor having a set of grid of bars that are in contact from their bottom at the corners with a set of protrusions that are in contact from above with a plurality of intersections, each having a sensing element, of a grid of wires disposed on a base, and a top surface layer that is disposed atop the grid of bars, so that force imparted from above onto the top surface layer is transmitted to the grid of bars and thence to the protrusions, and thence to the intersections of the grid of wires which are thereby compressed between the base and protrusions; and that the protrusions above thereby focus the imparted force directly onto the intersections. A sensor includes a computer in communication with the grid of wires which causes prompting signals to be sent to the grid of wires and reconstructs a continuous position of force on the surface from interpolation based on data signals received from the grid of wires. A method for sensing.

Abstract: A transducer assembly configured to accommodate a plurality of individually tunable sensing elements of various geometries and configurations by using a cap and an accompanying capillary tube. The configuration of the various embodiments described herein eliminate the header to flat plate welds of the prior art, and therefore better accommodates a plurality of sensing elements and corresponding header assemblies within one transducer assembly.