Abstract: An instrumentation system for use with a component formed from a first material having non-uniform coefficients of thermal expansion includes a first sensing system configured to be mounted to the component to sense temperature and mechanical forces on the component, and a thermally compensating coupon configured to be mounted to the component adjacent the first sensing system. The thermally compensating coupon is formed from a second material having non-uniform coefficients of thermal expansion that are substantially identical to the non-uniform coefficients of thermal expansion of the first material. A thermally compensating sensing system is mounted to the thermally compensating coupon and connected to the first sensing system.

Abstract: An electronic device includes a receiver, a computer memory device and a processor for calculating a human input force and/or a human input power that are inputted to a drive train of a human powered vehicle. The receiver receives first information with respect to torque applied to the drive train, and receives at least one of second information with respect to a gear engagement state and third information with respect to a crank rotational speed. The computer memory device has prestored correction factors with respect to the gear engagement state. The processor calculates the human input force based on the first information, the second information and at least one of the prestored correction factors, and/or calculates the human input power based on the first information, the second information, the third information, and at least one of the prestored correction factors.

Abstract: A fluid metering device including a housing, an isolated fluid conduit, a metering assembly, an electronics assembly, and a power assembly. An electronic device can be wirelessly connected to the metering device so as to quantify the fluid that is passing through the isolated fluid conduit. Portable spraying apparatuses are also disclosed and can include the fluid metering device. In example embodiments, other data can be captured and/or calculated such as location of spray, type of fluid sprayed, images of the intended-to-be-sprayed subject, and/or other information pertinent as desired. In some example embodiments, the electronic device D in combination with the fluid metering device can predict the chances of volatilization of the fluid based on specific environmental conditions and the fluid temperature.

Abstract: Attributes of a human or animal body are detected by the generation and detection of an electric field. A laminated membrane, connected to a control circuit, is placed over an electrically conductive ground-plane. An upper-mattress is placed above this for supporting a human or animal body. To improve the response of the detector, a response-enhancement-layer of a substantially electrically non-conducting compressible-material containing electrically-conductive-particles, such as carbon particles, is located between the laminated-membrane and the upper-mattress.

Abstract: A fluid container measurement system is disclosed. The fluid container measurement system is configured to suspend a load measurement assembly a distance above a support surface. The load measurement assembly houses a load cell and a measurement control circuit. The measurement control circuit is coupled to the load cell and configured to receive electrical signals indicative of a force imposed on the load cell. Electrical signals generated by the load cell indicative of the force exerted on the load cell can be used to measure the fluid container attached to the load cell linkage member.

Abstract: A flexible circuit package. The circuit package includes a termination point on a flexible base substrate. The termination point is connected with an interface by conductive material on the base substrate. The conductive material extends across the surface area of the base substrate in multiple individual connections, which are in communication with each other and separated by voids in the conductive material for mitigating communication failure between the termination point and the interface during or following flexion, stretching, compression or other deformation of the base substrate and the circuit package. The termination point may include an input module such as a sensor, switch or other input. The termination point may include an output module such as a light, vibrator or other output. The interface may include an output interface for receiving data or an input interface for sending a command or other signal.

Abstract: A torque index sensor may be provided which comprises: a substrate; a first cover which accommodates the circuit board; a first hall sensor and a second hall sensor which are disposed on the circuit board; a magnet seating member which is coupled to the stator; a second magnet which is coupled to the magnet seating member; and a second cover made of a metal material coupled with the first cover, wherein the magnet seating member and the second magnet are disposed between the first cover and the second cover, wherein the second cover comprises: an upper plate on which a through hole is formed; and a side plate which extends in the rotational axis direction from the upper plate, and wherein the side plate comprises a groove formed at a position corresponding to the hall sensor.

Abstract: A system for wirelessly monitoring the operational status of ground-engaging tools includes an attachment structure, a ground-engaging tool pivotably coupled to the attachment structure at a pivot point, and a shear pin at least partially extending through both the attachment structure and ground-engaging tool. In addition, the system includes a conductive member extending within the shear pin to form an electrical circuit therein, and a wireless circuit monitor coupled to the conductive member such that the circuit monitor is configured to detect a circuit parameter associated with the electrical circuit. Moreover, the system includes an antenna configured to receive data transmitted wirelessly from the circuit monitor that is indicative of the circuit parameter, and a controller configured to monitor the data received by the antenna and identify a change in a working condition of the shear pin based on a detected variation in the data.

Abstract: Embodiments of the present invention provide robust capacitive grip sensors that may be used in a variety of applications, including single-handed and double-handed grips, such as but not limited to barbells. Apparatus as disclosed herein and efficiently measure the presence of a human grip without requiring deformation of a gripped surface area.

Abstract: A test fixture configured to attach to and apply a tensile force to a test specimen. The test fixture may include a first clevis section and a second clevis section that are each configured to be attached to the test specimen. Each of the first and second clevis sections may include a fixed block and a movable block. Connectors connect the clevis sections together and hold the test specimen. The first and second clevis sections may be moved apart to apply a force to the attached test specimen to test one or more properties of the test specimen.

Abstract: A rigidity measurement apparatus is a rigidity measurement apparatus that measures rigidity of an object to be measured and includes a load estimator, a displacement calculator, and a rigidity calculator. The load estimator estimates a load applied to a measurement point set on the object to be measured by using a captured image of the object to be measured. The displacement calculator calculates a displacement of the measurement point by using the captured image. The rigidity calculator calculates the rigidity of the object to be measured by using the load and the displacement.

Abstract: A stress test the jig 10 includes an upper cylinder 12, a lower cylinder 14, and a frame 16. The frame 16 has an accommodating space 16a, an upper through hole 16b, and a lower through hole 16c. A test specimen 20 is disposed in the accommodating space 16a, the upper cylinder 12 is inserted into the upper through hole 16b, and the lower cylinder 14 is inserted into the lower through hole 16c. The upper cylinder 12 and the lower cylinder 14 fix the test specimen 20 such that the test specimen 20, the upper cylinder 12, and the lower cylinder 14 are positioned coaxially.

Abstract: 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.

Abstract: A film pressure sensing device and a pressure sensing system for an exercise equipment are provided. The pressure sensing system includes an electronic device and at least one film pressure sensing device. Each film pressure sensing device includes a film sensing module and a processing module. The film sensing module includes a plurality of film pressure sensing elements, each of which senses pressure on a specific position of the exercise equipment to generate a pressure sensing signal. The processing module connects to the film pressure sensing elements via a plurality of conducting wires to receive the pressure sensing signals. The processing module generates a sensing data according to the pressure sensing signals, and transmits the sensing data to the electronic device. The film sensing module is flexible to be tightly disposed on a component of the exercise equipment, where the component corresponds to a part of a user's body.

Abstract: A jig assembly for measuring the tensile strength of an electrode at a bend having a similar radius to a core, an apparatus for measuring bending tensile strength including the jig assembly, and a method for measuring bending tensile strength that measures the tensile strength of an electrode at a bend having a similar radius to a core using the apparatus for measuring bending tensile strength are provided. The jig assembly of the present disclosure includes a fixing unit configured to fix a first end part of a sample, and a plate shaped bending jig configured to provide a one point bend to a lengthwise direction cross section of the sample and to guide a second end part of the sample toward a tensile testing load unit. According to the present disclosure, it is possible to measure the tensile strength of the electrode under a similar condition to a winding process before the electrode is used in real winding applications.

Abstract: A modular pavement slab comprises a body, a strain sensor array, and a sensor processor. The body includes a top surface, a bottom surface, and four side surfaces. The modular pavement slab is configured to be coupled to at least one other modular pavement slab via connectors along at least one of the side surfaces. The strain sensor array is retained within the body and is configured to detect a plurality of strains on the body resulting from vehicular traffic across the top surface of the body. The sensor processor is in communication with the strain sensor array. The sensor processor is configured to communicate input signals to the strain sensor array, receive output signals from the strain sensor array, and determine a plurality of time-varying strain values, each strain value indicating a strain experienced over time by a successive one of a plurality of regions of the body.

Abstract: A system and method configured to measure applied force and pressure on a load cell. The system includes an axial force pressure transducer having a hollow cross section comprising at least two strain sensitive regions, and a plurality of strain sensors connected to the at least two strain sensitive regions, wherein applied force and pressure is calculated based on strain measurements using mathematical formulae. A method of calibration of the axial force pressure transducer using known applied force and pressure measurements to calculate a calibration matrix reflecting the strain sensitivities of the at least two strain sensitive regions.

Abstract: The present invention relates to a corrosion-fatigue-coupled test method and device for a steel bridge deck. The method includes: 1) installing an orthotropic steel bridge deck (OSBD) and pasting filter paper; 2) installing a sodium chloride solution delivery pipe; 3) installing an infrared (IR) lamp; 4) preparing a corrosive solution; 5) coupling corrosion and fatigue; and 6) acquiring test data. A device constructed by using the method includes a to-be-tested OSBD, a support device, a pressure pump, a water tank, a monitoring device, an IR lamp, a plastic water pipe, a thermostat and a rotary sprayer. The present invention solves the problem of laboratory accelerated corrosion of the OSBD. The present invention fully considers a coupling effect of a corrosive medium and an alternating stress, so that the created simulation environment is close to a service environment of the OSBD, and the test data are effective and reliable.

Abstract: Provided is a torque sensor that includes: a bearing that is provided with an inner ring and an outer ring that are supported so as to be relatively movable only in the direction of rotation about a predetermined axis; a connecting member that is provided with fixing sections that are respectively fixed to the inner ring and the outer ring and a strain generation section that connects between the fixing sections; and a strain sensor that is disposed on the connecting member so as to be capable of detecting a strain at least in the circumferential direction.

Abstract: A force detecting device having a first axis and a second axis orthogonal to each other, the first axis being a force detection axis, the force detecting device including a laminated body formed by laminating a first electrode, a first quartz plate, a second electrode, a second quartz plate, a third electrode, a third quartz plate, a fourth electrode, a fourth quartz plate, and a fifth electrode in this order and a force detection circuit configured to detect a force in a direction of the first axis based on an electric charge output from the second electrode and an electric charge output from the fourth electrode.