Abstract: An example vane arm testing rig includes a base having a first attachment configured to receive a first end of a vane arm when the vane arm is in an engaged position, and a torque member having a second attachment configured to receive an opposing, second end of the vane arm when the vane arm is in the engaged position. The vane arm extends along a longitudinal axis from the first end to the second end. The first and second attachments are configured to rotate relative to each other about the axis. The first and second attachments are configured to move laterally relative to each other.

Abstract: A method for determining the plasto-elastic properties of a test sample, which can be affected by the action of pressure, includes pressing a test body against a surface of the test sample with a defined force. Plasto-elastic changes of the surface resulting therefrom are recorded during and/or after the pressure application. A centrifugal force generated by rotating the test body around an axis is utilized as a pressure force which is generated by radially movably guiding the test body, which is disposed between the test sample and the axis, relative to the radially fixed test sample.

Abstract: An apparatus for determining an integral strength of a magnet, including a magnetically attractive specimen, a force-sensing device for receiving the specimen and determining a magnitude of a first force applied by the specimen against the force-sensing device in the presence of the magnet and a magnitude of a second force applied by the specimen against the force-sensing device in the absence of the magnet, and a platform for receiving the magnet and for positioning the magnet at a desired distance above the specimen.

Abstract: An impact sensor system for a vehicle that includes a frame member having a cavity and a chamber arranged within the cavity. The chamber includes two ends with different cross-sectional areas. The impact sensor system further includes a sensor coupled to the chamber that generates a signal indicative of a pressure change within the chamber caused by an impact to the frame member.

Abstract: A method for the measurement of pressure in high temperature and high pressure processes includes the steps of providing at least a first material compound and at least a second material compound. The at least first and second compounds are mixed to form a material sample. The material sample is loaded into a device and the device and material sample are subjected to a high pressure of up to about 10 GPa and a high temperature of up to about 2000° C. to form the material sample into a solid crystalline solution. The material sample is recovered for analysis and the composition of the crystalline solid solution is measured to determine the pressure ex situ.

Abstract: A pull test apparatus includes a base, a tension meter and a linkage assembly. An object is adapted to be fixed at the base. The tension meter is movably disposed at the base and adapted to connect a handle of the object. The linkage assembly includes an elastic element and a positioning element. The elastic element is connected between the base and the tension meter. When the tension meter resists the elastic force of the elastic element to move to a first position, the positioning element positions the tension meter. When the positioning element releases the tension meter, the tension meter moves toward a second position by means of the elastic force of the elastic element so as to drive the handle closed at a main body of the object to be unfolded from the main body, wherein the first position is between the object and the second position.

Abstract: A micro-force sensor comprising a one-piece plate including a first area defining a first recess, which must be held in position relative to a mounting, a second area connected to the first area defining the first recess and a second recess, a measuring beam across the first recess having a first end embedded in the first area and a second end connected to the second area, an excitation beam across the second recess having two ends embedded in the second area and being provided with at least one excitation element, a third area connected to the first area and an effector beam having one free end for receiving the force being measured and one end-embedded in the third area, and a fourth area connecting the embedded end of the effector beam to the second end of the measuring beam, which is provided with a measuring element.

Abstract: A method of estimating the environmental force acting on a supported jack-up vessel is described. The vessel is positioned in a force determination position and the strain on at least one support leg of the jack-up vessel is measured while a first thrust is applied to the vessel. A second thrust is applied to the vessel whilst the vessel is maintained in the force determination position. The variation in the strain in the at least one support leg is monitored as the second thrust is applied and the strain is used to calculate an estimate of the environmental force acting on the vessel. The method allows a dynamic positioning (DP) system of the jack-up vessel to determine a suitable thrust to apply to the vessel as the support legs of the vessel are raised. By applying this suitable thrust the position of the vessel can be maintained when the vessel transitions from being supported by the support legs to being supported by water.

Abstract: A dynamic quantity sensor includes a force receiving portion, a first movable portion that rotates in a first rotational direction around a first rotational axis according to dynamic quantity in a first direction that the force receiving portion receives, and rotates in the first rotational direction around the first rotational axis according to dynamic quantity in a second direction different from the first direction that the force receiving portion receives; and a second movable portion that rotates in a second rotational direction around a second rotational axis according to the dynamic quantity in the first direction that the force receiving portion receives, and rotates in an opposite direction to the second rotational direction around the second rotational axis according to the dynamic quantity in the second direction that the force receiving portion receives.

Abstract: A tactile sensor unit is provided, which includes a substrate; a coat formed on the substrate; and a cantilever beam structure having one end fixed to the substrate and curved to rise in such a direction that the other end of the cantilever beam structure is farther from the substrate than the one end. The tactile sensor unit detects a load applied to the coat. The cantilever beam structure is capable of resonating at a first resonant frequency and a second resonant frequency which is different from the first resonant frequency. The tactile sensor unit further includes a computation section for calculating a directional component of the load based on a change ratio of the first resonant frequency obtained in accordance with a change in the load and a change ratio of the second resonant frequency obtained in accordance with the change in the load.

Abstract: Apparatus for installing a cable into a tube with the assistance of a fluid drag acting on the cable within the tube with an installation device, the apparatus including a driving mechanism comprising a driving surface arranged to contact the cable substantially along the full driving surface length, for driving the cable into the tube, a first measurement device for obtaining a first value indicative of a rate at which the installation device is driving the cable into the tube, a second measurement device for obtaining a second value indicative of a rate at which the cable is travelling through the apparatus, a processor for detecting when the first value exceeds the second value, and for reducing the rate at which the installation device is driving the cable into the tube for the duration when the first value exceeds the second value.

Abstract: A transfer apparatus for mounting and transferring a transferred component on a driven means, the transfer apparatus includes: a driving means for rotating a driving side pulley by a rotational driving force of a motor to move a belt wound around the driving side pulley, thereby moving the driven means coupled to the belt in a predetermined direction; and a transfer monitoring means for monitoring a transfer state of the driven means, wherein the transfer monitoring means detects a torque value of the motor required to move the driven means, calculates a torque differential value of the torque value with respect to time based on the detected torque value, and detects the transfer state using the calculated torque differential value.

Abstract: A pressure sensing device and a clipping apparatus using the same are provided. The pressure sensing device includes a pressure sensing layer and a bump structure. The bump structure is disposed at one side of the pressure sensing layer. A parallel cross-sectional plane of the bump structure gradually becomes small along a direction. The parallel cross-sectional plane is substantially parallel to the pressure sensing layer.

Abstract: The disclosure relates to a device for testing means of detecting the loading of the secondary path of a flight control actuator of the type including a primary path and a secondary path able to take up the effort of the primary path in the event of a breakdown of the latter, wherein a tool is able to press against at least one zone of at least one element of the secondary path, as well as a lever arm which by tilting allows the tool to press against the zone so that it exerts a traction and/or compression force on the secondary path, the lever arm being mounted pivotingly on a support able to be fastened on a structure that is mechanically independent of the secondary path.

Abstract: A method and a device for determining the pressure distribution for bonding of a first substrate to a second substrate, with the following steps, especially with the following sequence: placing a measurement layer between a first tool for holding the first substrate and an opposite second tool which is aligned to the first tool for bonding of the substrate, deformation of the measurement layer by bringing the tools closer to one another, measurement of the deformation of the measurement layer and computation of the pressure distribution.

Abstract: A detection device for shocks on a part comprises a base intended to be fixed by a lower face onto a surface of the part where the occurrence of a shock is to be detected and comprises one or more detectors fixed at the base and protruding with respect to the base, a detector being deformed in a persistent way with a magnitude equal to or greater than a threshold magnitude when it is subjected to a shock with an energy equal to or greater than a threshold energy. Under the effect of such a shock with energy or greater, a detector is simply deformed or broken such that the visual inspection allows the occurrence of the shock to be detected.

Abstract: A bicycle crank arm is provided with a crank body, a reference member and a sensor. The crank body has a crank axle mounting portion and a pedal mounting portion. The reference member is attached to the crank body. The sensor is attached to at least one of the crank body and the reference member. The sensor is arranged to output a signal based on a distance between the crank body and the reference member.

Abstract: A force sensor system includes a substrate, a cover, a sensor, and a spherical force transfer element. The cover is coupled to the substrate, and has an inner surface, an outer surface, an opening extending between the inner and outer surfaces, and a wall structure extending from the inner surface that defines a sensor cavity between the inner surface and the substrate. The sensor is mounted on the substrate, is disposed within the sensor cavity, and is configured to generate a sensor signal representative of a force supplied to the sensor. The spherical force transfer element is disposed partially within the sensor cavity, is movable relative to the cover, extends from the opening in the cover, and engages the sensor. The spherical force transfer element is adapted to receive an input force and is configured, upon receipt of the input force, to transfer the input force to the sensor.

Abstract: There is provided a contact-pressure detecting apparatus including a base, at least three pressure-sensitive sensors, and a plurality of plates. The base has an arbitrary shape. The at least three pressure-sensitive sensors are provided on different vertex positions of a polygon having at least three corners, respectively, the polygon being set on each of a plurality of areas partitioning at least part of an area on a surface of the base. The plurality of plates are arranged corresponding to the areas of the base, respectively, the plurality of plates covering the surface of the base by sandwiching the at least three pressure-sensitive sensors with the base.

Abstract: A sensing module and method for monitoring various physical parameters, and particularly environmental parameters to which a living body may be subjected, for example, impacts and shock wave pulses. The module at least one energy storage device and at least one set of electromechanical sensing elements contained in a housing. The sensing elements are responsive to an external environmental input, and each sensing element defines an open electrical path when not subjected to the input, is operable to define a closed electrical path that produces an output in response to the input if the input exceeds a threshold of the sensing element. The module generates data corresponding to the outputs of the sensing elements and records the data.

Abstract: A force sensor includes a transducer with a measuring element operatively connected to a measuring object for generating measuring signals of a force acting on the measuring object, and two in parallel transmission channels transmit mutually corresponding signals of the measuring signals independently from one another and connected in parallel to the same transducer. A test signal is evaluated in a transmission channel in which the test signal has been injected and in another transmission channel in which the test signal has not been injected. In another testing method, the transmitted signals are compared.

Abstract: A simply-structured initial slippage detection mechanism. When a contact member comes in contact with a contact receiving member via a pressure-sensitive conductive sheet, it is confirmed, on the basis of a change in resistivity of the pressure-sensitive conductive sheet and in response to a detection signal transmitted from the pressure-sensitive conductive sheet, that initial slippage has occurred right before the occurrence of slippage displacement, at a time when a high-frequency waveform component generated right before the occurrence of the slippage displacement of the contact member exceeds a predetermined threshold value. Therefore, it is possible to realize a slippage detection device whose slippage detection section is smaller, more lightweight and thinner.

Abstract: A test rig for testing blades for a wind turbine includes a fixing structure where a root end of a wind turbine blade can be fixed, a loading mass structure extending from the fixing structure, and an actuation structure which can apply a sinusoidal force to the loading mass structure so that a counterbalanced resonance is established between the loading mass structure and a blade which is fixed in the fixing structure. Due to the counterbalanced resonance, the force from the test rig onto the floor or other building components can be reduced relative to that known from the traditional rigs for blade testing.

Abstract: A strain gage includes a strain sensitive element; and a temperature compensation element, wherein the strain sensitive element and temperature compensation element are monolithically formed. A method of manufacturing the strain gage includes: exposing and developing a strain sensitive element pattern and the temperature compensation element pattern; and etching the strain sensitive element pattern and the temperature compensation element pattern.

Abstract: The stylus directional force sensing technique described herein employs a directional tip sensor which measures the magnitude and direction of force applied to a stylus tip. This information is then used to control the behavior of the stylus in an application. In one embodiment, this simple design only measures the stylus angle when the tip is actually pressing on the surface. This has the added benefit of reducing power requirements and computational complexity.

Abstract: When a warm-up operation at a set speed is carried out to measure a mechanical loss that is generated during warm-up operation, a device to display setting of operation time, vehicle speed, etc. and the operation status on a single window is demanded. An operation display portion on a top display screen provided on a control terminal includes a menu function block having a warm-up window calling section for calling a warm-up operation window function block. The warm-up operation window function block includes a warm-up condition setting section configured to set a warm-up operation condition, a measurement flow indicating block configured to indicate a warm-up operation by a pattern, a trend indicating section configured to indicate a braking force that is generated upon the warm-up operation in time sequence, and a measurement status indicating block comprising a judgment indicating section configured to indicate measurement results.

Abstract: A technique for sensing involving one or more individual sensing tiles that are physically connected to a frame with electrical and communications wiring integrated into the frame and with corresponding physical, electrical and communication connectors on the tiles and the frame.

Abstract: Methods, devices, and systems relating to a sensing device are disclosed. A device may comprise a structure including a first surface and a second, opposite surface, wherein the structure comprises one or more segments. Further, the device may include a plurality of sensors disposed on the structure, wherein each segment of the one or more segments comprises a first sensor of the plurality of sensors coupled to the first surface and an associated second sensor of the plurality of sensors coupled to the second surface. Moreover, each sensor of the plurality of sensors may be configured to measure a strain exhibited on an adjacent surface of the structure at an associated segment of the one or more segments.

Abstract: System force-deformation measuring apparatuses (e.g., an apparatus that applies a quasi-static force), such as those, for example, configured to generate data (e.g., non-generic or accident-specific data) that assists in the reconstruction of vehicle collisions.

Abstract: A method and system for correcting for the inertial error of a transducer as a function of frequency by applying a delay to a leading signal of the transducer to provide phase compensation.

Abstract: A piezoresistive sensor device and a method for making a piezoresistive device are disclosed. The sensor device comprises a silicon wafer having piezoresistive elements and contacts in electrical communication with the elements. The sensor device further comprises a contact glass coupled to the silicon wafer and having apertures aligned with the contacts. The sensor device also comprises a non-conductive frit for mounting the contact glass to a header glass, and a conductive non-lead glass frit disposed in the apertures and in electrical communication with the contacts. The method for making a piezoresistive sensor device, comprises bonding a contact glass to a silicon wafer such that apertures in the glass line up with contacts on the wafer, and filling the apertures with a non-lead glass frit such that the frit is in electrical communication with the contacts.

Abstract: An implantable active pressure transducer including a pressure sensing element and associated sensor circuitry together enclosed within an innermost glass packaging. The pressure sensing element is anodically bonded to the innermost packaging substantially aligned with an opening defined therein. An outermost biocompatible metal packaging forms a cavity divided into first and second chambers by an intermediate partition. The innermost packaging is disposed within the first chamber without physically directly contacting or being fixed to the outermost packaging. A barrier plate is hermetically sealed to the intermediate partition to hermetically isolate the battery and communication circuitry from a pressure transmitting fluid. Inductive coupling is used to communicate data detected by the pressure sensing element internally within the implant.

Abstract: A stress sensing device senses a shear force and a pressing force. The stress sensing device includes a support body, a support film, first and second piezoelectric parts and an elastic layer. The support body has an opening defined by a pair of straight parts perpendicular to a sensing direction of the shear force and parallel to each other. The support film having flexibility closes off the opening. The first piezoelectric part is disposed over the support film and straddling an inside portion and an outside portion of the opening along at least one of the straight parts of the opening as seen in plan view. The second piezoelectric part is disposed to the inside portion of the opening and set apart from the first piezoelectric part as seen in the plan view. The elastic layer covers the first piezoelectric part, the second piezoelectric part, and the support film.

Abstract: The submarine phenomenon can be prevented and the accuracy of a passenger's weight measurement is improved. A vehicle seat includes a pair of fixed lower rails fixed on the floor of a passenger compartment, a pair of movable upper rails that are engaged with the fixed lower rails so as to be slidable in a front-and-rear direction with respect to each of the fixed lower rails, a sub frame which is disposed at an upper side of the movable upper rails, load sensors and that lie between the sub frame and the movable upper rails, brackets and which are disposed so as to erect them on each of the movable upper rails, and a submarine pipe 11 which is crossed between the brackets. The submarine pipe is disposed to be slidable in a left-and-right direction with respect to the right bracket.

Abstract: The submarine phenomenon can be prevented and the accuracy of a passenger's weight measurement is improved. A vehicle seat includes a pair of fixed lower rails fixed on the floor of a passenger compartment, a pair of movable upper rails that are engaged with the fixed lower rails so as to be slidable in a front-and-rear direction with respect to each of the fixed lower rails, a sub frame which is disposed at an upper side of the movable upper rails, load sensors and that lie between the sub frame and the movable upper rails, brackets and which are disposed so as to erect them on each of the movable upper rails, and a submarine pipe 11 which is crossed between the brackets. The submarine pipe is disposed to be slidable in a left-and-right direction with respect to the right bracket.

Abstract: A force-measuring ring includes an annular housing which contains at least one piezoelectric measuring element, and a pressure transmission element which is attached to the housing via inner and outer circular-annular membrane areas. The inner and outer membrane areas of the force measuring ring are situated on opposite sides of a symmetry plane defined by the at least one piezoelectric measuring element.

Abstract: An impact sensor system for a vehicle that includes a frame member having a cavity and a chamber arranged within the cavity. The chamber includes two ends with different cross-sectional areas. The impact sensor system further includes a sensor coupled to the chamber that generates a signal indicative of a pressure change within the chamber caused by an impact to the frame member.

Abstract: A sensor system is adapted for use with an article of footwear and includes an insert member including a first layer and a second layer, a port connected to the insert and configured for communication with an electronic module, a plurality of force and/or pressure sensors on the insert member, and a plurality of leads connecting the sensors to the port.

Abstract: The invention relates to a sensor as a built-in component of an object, especially an elastic object, the sensor comprising a polymer material containing electroconductive additives according to the invention and thereby acting as an expansion sensor (2), in that it measures the static and dynamic expansions of the object in relation to the acting forces and also monitors the changes of the polymer material generated by the static and dynamic expansions of the object over time. The invention also relates to a sensor arrangement (1) acting especially in combination with the following components: an expansion sensor (2), a fixed resistor (3), an analog/digital converter (4), a micro-controller comprising a memory (5), a radio interface (6), a controlled current/voltage source (7), an energy supply (8), a coupling coil (9), and a receiving unit (10).

Abstract: A method for determining a total mechanical load of a wind turbine is provided. A present load signal indicative of a present load of a wind turbine base structure is obtained, wherein the present load acts in a present angular direction. A first present load and a second present load are derived based upon the present load signal and the present angular direction, wherein the first present load is associated with a first angular sector of the turbine and the second present load is associated with a second angular sector of the turbine. Further, a total mechanical load is derived based upon the first present load and the second present load.

Abstract: A measurement module that measures force being applied to a man-powered machine includes: a strain sensor that detects strain of a crank of the bicycle configured to transmit force being applied from a user through the crank and one front gear selected among one or more front gears; an MM magnetic sensor that detects the crank passing through a predetermined position; and an MM control part. The MM control part calculates a rotation angle of the crank based on an elapsed time from a time the crank passes through the predetermined position that the sensor has detected, calculates force applied to the crank based on a strain amount of the crank that the strain sensor has detected, associates the rotation angle with the force applied to the crank to calculate distribution of the force applied from the user.

Abstract: A vehicle seat includes a load sensor for measuring a load applied from an occupant and a seat cushion frame, wherein the seat cushion frame comprises right and left side frames extending in a front-and-rear direction, the load sensor is attached to the seat cushion frame, and a concave portion is formed in at least one of the right and left side frames at a position opposite to the load sensor.

Abstract: A sensor system and seat assembly includes a sensor assembly configured to detect a seating force exerted on a portion of a seat cushion of a seat. The sensor assembly includes a base, a force transducer configured to output a signal indicative of the seating force, and a lever pivotably coupled to the base. The lever defines a sensing end configured to be disposed proximate to the portion of the seat cushion such that the seating force operates on the sensing end. The lever also defines an actuating end configured to apply an actuation force to the force transducer. The sensor assembly may comprise a plurality of levers. Each sensing end of each lever may be disposed in a separate location within the portion of the seat cushion. The sensor assembly may be configured to detect a child exerting a seating force on a portion of the seat cushion.

Abstract: A vehicle seat includes a load sensor for measuring a load applied from an occupant and a seat cushion frame, wherein the seat cushion frame comprises right and left side frames extending in a front-and-rear direction, the load sensor is attached to the seat cushion frame, and a concave portion is formed in at least one of the right and left side frames at a position opposite to the load sensor.

Abstract: In device for side impact recognition in a vehicle, at least one pressure sensor system that produces a signal is provided in a side part of the vehicle, and an evaluation circuit is provided that recognizes a side impact as a function of the signal. In addition, a test device is provided for the at least one pressure sensor system, the at least one test device being configured such that the at least one test device oversamples the signal and then filters it in order to produce a test signal, the test device comparing the signal with a reference value and, as a function of this comparison, recognizing the operability of the at least one pressure sensor system.

Abstract: A resistive pinch sensor utilizing electrically conductive wires encapsulated in a resiliently deformable casing. A pinch is detected when one of the wires, which is normally separated by an air gap within the casing, contacts another wire lowering the electrical resistance therebetween. The described pinch sensors have wide activation ranges or angles. Tri-lobed designs provide wide activation range by incorporating at least three electrically-conductive conduits that are substantially equidistantly spaced circumferentially along the inner wall of a tubular casing. One of the conduits, or optionally an axially arranged electrically-conductive core may function as the reference element. Coaxial designs provide wide activation range by incorporating a central electrically-conductive core and a coaxial electrically-conductive tubular outer sheath that are normally spaced apart by at least one non-conductive spacer.

Abstract: A complex sensor comprises a touch sensor and a proximity sensor. The touch sensor comprises a flexible pressure-sensitive sheet covering a fingertip portion. The pressure-sensitive sheet comprises a front surface film and a rear surface film composed of a flexible conductive material, an intermediate film which is sandwiched between the films in a state in which the intermediate film is electrically connected and which is composed of pressure-sensitive conductive rubber, and first to fourth electrode terminals formed on the front surface and rear surface films. The size of a load acting on the pressure-sensitive sheet and the center position of the load can be detected based on the terminal voltage. A through-hole is formed in the pressure-sensitive sheet such that the sensing surface of the proximity sensor is exposed, thus the approach of a holding object can be detected.

Abstract: An apparatus (10) for testing an aircraft pedal system (12) comprises a pedal actuation device (14) for actuating an aircraft pedal (12?, 12?), a force sensor (26) for sensing an actuation force applied to the aircraft pedal (12?, 12?) upon actuation of the aircraft pedal (12?, 12?) and for providing a signal indicative of the actuation force, a deflection sensing device (28, 30) for sensing an angular deflection of a device (12?, 12?; 13) deflected in response to the actuation of the aircraft pedal (12?, 12?), and a control unit (32) adapted to process the signals of the force sensor (26) and the deflection sensing device (28, 30) so as to generate an output indicating the angular deflection of the device (12?, 12?; 13) deflected in response to the actuation of the aircraft pedal (12?, 12?) in dependence on the actuation force applied to the aircraft pedal (12?, 12?).

Abstract: An improved header assembly and corresponding port assembly comprising a tensioning member, wherein the tensioning member is isolated and separate from the weld portion and is adapted to place a threaded portion between the header assembly and port assembly in tension and maintain such tension, and thus relieve tension from the weld, before and after welding, thereby increasing the lifespan of the header and port assemblies.

Abstract: A safety belt includes a connecting member including a rope, an attaching portion connected to a first end of the rope and arranged to be attached to a body belt worn around a body of a worker, a hook connected to a second end of the rope, and a load detection portion arranged to detect whether or not a load is applied to the connecting member and to output a load detection signal. The safety belt also includes a control device that includes a receiver unit arranged to receive the load detection signal, a control unit arranged to determine a status of the worker or a status of the safety belt based on the load detection signal, and a notification unit arranged to provide a notification in accordance with control by the control unit corresponding to the determined status.