A kingpin assembly includes a housing having a recess located therein, a kingpin having at least a portion located within the recess of the housing, wherein the kingpin is secured within the recess of the housing, and wherein the kingpin includes an axis extending along a length of the kingpin, and a sensor arrangement configured to sense a force exerted on the kingpin in a first direction that is substantially perpendicular to the longitudinal axis.

A sensor chip includes first support parts arranged at four corners and a second support part arranged at a center of a substrate, first detecting beams connecting adjacent first support parts to each other, second detecting beams provided in parallel to the first detecting beams between the first and second support parts, third detecting beams connecting the first and second connecting beams, in sets of the first and second detecting beams provided in parallel, force application points, arranged at intersections of the first and third detecting beams, and applied with the forces, and a plurality of distortion detection devices arranged at predetermined positions on the first, the second and the third detecting beams.

A strain gauge includes: a substrate; a transverse sensitive grid arranged on the substrate; and at least two non-transverse sensitive grids arranged on the substrate so as to be located on opposite sides of the transverse sensitive grid both electrically connected to the transverse sensitive grid. The two non-transverse sensitive grids are connected to each other by a connection and share a common ground lead and a common ground interface. One end of the ground lead is connected to the connection at the middle thereof. The other end of the ground lead is connected to the ground interface. The two non-transverse sensitive grids have equal resistances and are connected to ends of two respective non-ground leads having equal resistances. The other ends of the two non-ground leads are connected to two respective non-ground interfaces.

A hybrid large-area pressure sensor with a capacitive sensor and a resistive sensor integrated thereinto. The sensor includes a first electrode pattern, a second electrode pattern spaced apart from the first electrode pattern by a predetermined distance, a third electrode pattern spaced apart from the second electrode pattern by a predetermined distance, and a controller, wherein a part of the first electrode pattern, a predetermined unit area of the second electrode pattern, and a predetermined unit area of the third electrode pattern form a single unit sensing cell, a change in distance between the first electrode pattern and the second electrode pattern causes a change in the capacitance of the second electrode pattern, a contact between the second electrode pattern and the third electrode pattern causes a change in the resistance of the second electrode pattern.

An integrated wireless data system including a wireless load cell assembly and method for measuring operational data of one or more components for safety, health monitoring, and control is provided. The wireless load cell assembly can include an energy storage device and may be configured to allow for bi-directional communication with a base unit to store operational parameters in a database for use in development of predictive maintenance techniques. The axial load cell can rotate freely for simple installation without regard to rotational orientation. A power management strategy and energy harvesting system are provided to ensure long term use of the wireless load cell assembly without the need to replace the energy storage device.

A gas strut monitoring system includes a gas strut. The monitoring system further includes a knuckle assembly connected to a base end of the gas strut. The knuckle assembly includes at least one strain gauge and a deformable knuckle. The system also includes a controller in communication with the at least one strain gauge, which is configured to measure a deformation of the deformable knuckle via the strain gauge. The system evaluates, based on the measured deformation, an operative performance of the gas strut. The system then outputs signal to an output device that indicates a maintenance recommendation based on the operative performance of the gas strut.

A system for adjustable construction or demolition temporary supports is disclosed. The adjustable construction or demolition temporary support includes a plurality of sensor devices for measuring load on the support and signal detection and communication device that being in communication with the sensor devices. The communication device further comprises a display unit and/or audio output unit for providing visual and/or audible alarm for alarming conditions. The signal detection and communication device further includes a wireless transceiver for remote monitoring.

An aircraft wing load alleviation device is to be provided to an aircraft having a body, a main wing, and an elongated supporting member with an end fixed to the body and another end fixed to the main wing to support the main wing. The aircraft wing load alleviation device alleviates a load acting on the main wing, and includes a load detector, an actuator, and a controller. The load detector detects the load acting on the main wing. The actuator is provided to the supporting member and applies a load in a longitudinal direction of the supporting member. The controller controls, when the load acting on the main wing is detected, operation of the actuator to make the actuator apply the load to the supporting member in a direction opposite to a direction of a load applied on the supporting member as a result of the detected load.

An apparatus having a tension sensing tool for coupling between opposing portions of a downhole tool string. The tension sensing tool includes a load cell (206) connected along a tension-bearing member (234) of the tension sensing tool and operable to generate information indicative of tension applied to the tension sensing tool. The tension sensing tool further comprises a processing device (204) operable to receive the information indicative of the tension and output the information indicative of the tension to a wellsite surface. The apparatus further comprises a perforating tool for coupling within the tool string and operable to perforate at least a portion of a subterranean formation surrounding a wellbore.

The disclosure provides a resilient coupling device, having an inner shaft member inserted into an outer tube member. The inner shaft member and the outer tube member are resiliently coupled in the radial direction by a main rubber resilient body. The inner shaft member has a tubular portion and is inserted into an inner hole of the tubular portion, the outer tube member has an insertion shaft member extending in the axial direction, and an outer peripheral surface of the insertion shaft member and an inner peripheral surface of the tubular portion are separated from and face one another in the radial direction. A first and second electrodes are respectively provided on the inner peripheral surface of the tubular portion and the outer peripheral surface of the insertion shaft member, to constitute a first sensor detecting an electrical change due to a relative displacement between the first and second electrodes.