Abstract: A vibration dose measurement apparatus 10 for an operator's hand 1 comprises a sensing assembly 20 connected to a control unit 25. The sensing assembly 20 comprises an accelerometer 21, gyroscope 22, and gripping force sensor 23 and may be packaged within a protective housing (not shown). By monitoring output of the sensor assembly 20, the vibration dose experienced by the hand 1 can be estimated. In the present invention, the provision of gripping force sensor 23 allows for vibration dose measurement to be adjusted based on the output of gripping force sensor 23. This can therefore take into account the force applied by an operator in gripping machinery, which can impact significantly on the effective vibration dose.

Abstract: A method of using a sensor platform of a garment of a wearer in order to interact with a remote networked device using a plurality of sensed biometric data, the method comprising: receiving from the sensors a set of the plurality of biometric data; comparing the set to a data model including a plurality of model data parameters; determining whether said comparing indicates a need for a command to be sent to the remote networked device in order to effect a change in an operational characteristic of the networked device; sending the command to the networked device; receiving a further set of the plurality of biometric data; further comparing the further set to the data model; and determining whether said further comparing indicates a need for a further command to be sent to the remote networked device in order to further effect a change in an operational characteristic of the networked device.

Abstract: A method and apparatus for configuring a mouse device (102) through pressure detection, and further proposes a corresponding mouse device (102). Pressure detected between the mouse device (102) and an operation surface (104) may be obtained. An operating state corresponding to the pressure may be determined. The mouse device (102) may be configured to the operating state.

Abstract: A power measurement device, which may be mounted to an inside area of a crank arm, includes processing circuitry within a housing. The processing circuitry is coupled with strain gauges mounted on the crank arm, and produces a power value that is wireless transmitted to a separate display that may receive and display power measurements. The housing may include a mounted portion and a cantilever portion where the mounted portion houses the processing circuitry and the cantilever portion houses batteries supply energy for the processing circuitry and other features.

Abstract: A method of evaluating a structural integrity of an aerial vehicle comprising one or more engines comprises selectively driving said engine/s of said aerial vehicle according to a driving pattern unsuitable to put or maintain the aerial vehicle in flight, recording a vibrational response of at least a part of the aerial vehicle to said selective driving of said engine/s, determining a plurality of modal parameters of said vibrational response, in particular an eigenfrequency of said vibrational response and/or a damping factor corresponding to said eigenfrequency, and classifying said structural integrity based on a deviation of said plurality of modal parameters from baseline modal parameters for said aerial vehicle.

Abstract: For estimating motor torque and velocity, a method estimates a velocity profile for a motor based on line-to-line voltages and phase currents for the motor. The velocity profile is estimated without a position input and a velocity input. The method further estimates a torque profile for the motor based on the line-to-line voltages, the phase currents, and a time interval of the velocity profile of motor velocities greater than a velocity threshold, and wherein the motor is operating over the time interval.

Abstract: Provided are a new antenna, a bicycle including the new antenna, a display apparatus including the new antenna, and an unmanned aircraft including the new antenna. An antenna includes a first conductor, a second conductor facing the first conductor in a first direction, a third conductor, a fourth conductor, and a feeding line electromagnetically connected to the third conductor. The third conductor is located between the first conductor and the second conductor, apart from the first conductor and the second conductor, and extends in the first direction. The fourth conductor is connected to the first conductor and the second conductor and extends in the first direction. The first conductor and the second conductor are capacitively connected via the third conductor. The antenna is disposed in a bicycle component of a bicycle such that the fourth conductor faces the bicycle component.

Abstract: In a method for determining vibrations generated by a device, first vibration measurements are received from a first accelerometer coupled to the device, the first vibration measurements comprising a first device vibration contribution and a first environmental vibration contribution, wherein the device is located within an environment comprising a plurality of devices capable of generating vibrations. Second vibration measurements are received from a second accelerometer located within the environment and not connected to the device, the second vibration measurements comprising a second device vibration contribution and a second environmental vibration contribution. The first vibration measurements and the second vibration measurements are compared. Based on the comparing, the first device vibration contribution is estimated.

Abstract: The present disclosure relates to a method for determining reliability of one or more load sensors in a wind turbine. The method comprises measuring loads with the load sensors during operation of the wind turbine; determining in-plane moments based on the measured loads; selecting the in-plane moments with 1 p frequency; and comparing the selected in-plane moments with theoretical in-plane moments due to a mass of the blade. The method then comprises determining that the load sensors have reduced reliability if the selected in-plane moments deviate from the theoretical in-plane moments by more than a first threshold value. The present disclosure also relates to wind turbine systems incorporating load sensors and methods for on-line determination of correct functioning of load sensors mounted on a wind turbine blade.

Abstract: The present invention provides group performance monitoring systems and methods. In one exemplary embodiment, a group monitoring device includes a display configured to display, during an athletic activity, a plurality of individual performance metrics relating to a plurality of individuals engaged in the athletic activity, each individual performance metric relating to one of the plurality of individuals; and an input to manipulate the display.

Abstract: A position measurement method is used by a device including an imaging unit and a position detector that detects a position of the imaging unit to measure, using a detection value at imaging of a measurement point, position coordinates of the measurement point. The method for correcting the detection value from the position detector includes obtaining, with the device, position coordinates of predetermined indices (22) arranged two-dimensionally on a calibration plate (20) as an actual measurement value, obtaining, as a correction value, a difference between the actual measurement value and a true value resulting from transformation of position coordinates of the indices (22) with respect to a reference point on the calibration plate (20), and correcting the detection value from the position detector (8, 9, 10). The imaging unit (3) images measurement points (P) on the measurement target (3) to measure position coordinates of the measurement points (P).

Abstract: An inventive approach is disclosed to integrate Digital Image Correlation (DIC) with the Acoustic Emission method that may be used for structural health monitoring and assessment of critical structural components in civil, mechanical, and aerospace industries. The inventive approach relies on passively recording acoustic emission across the specimen being tested and activating the DIC cameras automatically to measure deformation on the specimen's surface. The resulting acousto-optic system can be used to determine damage initiation, progressive damage development, identify critical regions and make lifetime predictions of the tested specimen.

Abstract: A monitoring system includes a shoe and a sole integrated into the shoe. The monitoring system also includes a connection mechanism attached to an underside of the sole and is shaped to connect the sole to a pedal. A pressure sensor is incorporated into the shoe that senses a force exerted on the pedal when the shoe is connected to the pedal through the connection mechanism.

Abstract: A recording system for a vehicle according to an example of the present disclosure includes proximity sensors configured to obtain data indicative of a distance between a vehicle and external objects and at least one vehicle operation sensor configured to obtain data indicative of how a driver is operating the vehicle. A controller is configured to obtain input data for a current monitoring period that includes data from the plurality of proximity sensors and the at least one vehicle operation sensor; utilize a predictive engine to determine whether the input data fulfills a criteria set corresponding to a potential impending vehicle incident; based on the input data fulfilling the criteria set commence saving of the input data from the current monitoring period and subsequent monitoring periods in a data set; and based on the input data not fulfilling the criteria set delete the input data for the current monitoring period.

Abstract: A vibration suppression device that suppresses vibration of an operation unit in a mechanical system having a natural vibration mode including the operation unit, an actuator unit that operates the operation unit, and an elastic body that couples the operation unit and the actuator unit, the vibration suppression device including a generation means for generating a drive signal for driving the actuator unit, an estimation means for estimating a measurement amount related to the mechanical system, a correction means for correcting the drive signal generated by the generation means on the basis of the measurement amount estimated by the estimation means, and a change means for changing a gain used by the estimation means so that an influence of an increase in a modeling error becomes small in a period in which the modeling error of the mechanical system increases.

Abstract: A computer-implemented method for space frame design involves constructing a load stress map in a geometrical boundary representation of a design space, defining attachment points and load application points in the design space, creating a starting network of interconnecting lines between each two of the attachment points and load application points in the design space, assigning load application factors to each line of the starting network of interconnecting lines based on values of the load stress map, generating potential space frame designs by culling different subsets of lines of the starting network of interconnecting lines for each potential space frame design according to variable culling parameters, evaluating the potential space frame designs with respect to optimization parameters, combining the culling parameters for the potential space frame designs the performance score of which is above a predefined performance threshold, and iterating the steps of generating potential space frame designs and e

Abstract: A robot including a robot mechanism including joints and drive units, a control unit controlling the drive units so that an inspection operation to inspect one target drive unit among the drive units is executed by the robot mechanism, and a notification unit notifying maintenance information of the target drive unit based on a current value of a motor of the target drive unit during the inspection operation, or on information associated with the current value, and the inspection operation includes transmitting, to the motor of the target drive unit, control command to rotate a joint as much as a predetermined rotation angle, and thereby moving a tip of the robot mechanism or a tool at the tip, close to an object at a predetermined position from a predetermined start position, to press the object, and separating the tip of the robot mechanism or the tool away from the object.

Abstract: The present disclosure relates to a sensor and sensor mounting comprising a housing having an end section, wherein the end section is designed for mounting of the sensor. First communication capabilities are arranged in the housing and are designed for the wireless transmission of power to the sensor and for the wireless transmission and reception of data to and from the sensor. First retaining capabilities are designed to hold the sensor in the end section, and connecting capabilities, which are connected at least to the communication capabilities, are designed to connect the sensor mounting to a superordinate unit.

Abstract: For estimating motor torque and velocity, a method estimates a velocity profile for a motor based on line-to-line voltages and phase currents for the motor. The velocity profile is estimated without a position input and a velocity input. The method further estimates a torque profile for the motor based on the line-to-line voltages, the phase currents, and a time interval of the velocity profile of motor velocities greater than a velocity threshold, and wherein the motor is operating over the time interval.

Abstract: In some examples, a circuit may be configured to perform a method that includes performing a circuit function via a circuit function unit of a circuit, receiving sensor data from one or more sensors associated with the circuit function unit, and estimating a remaining life of the circuit based on an accelerated reliability model and the sensor data, wherein the sensor data comprises input to the accelerated reliability model. The circuit itself may include a dedicated circuit unit that estimates the remaining life of the circuit based on an accelerated reliability model and the sensor data, and the circuit may output one or more predictive alerts or predictive faults when the remaining life is below a threshold, which may prompt the system for predictive maintenance on the circuit.

Abstract: A computer includes a processor and a memory. The memory stores instructions executable by the processor such that the computer is programmed to input to a trained machine learning program, (1) a sensor fusion error that measures a statistical correlation of data received from a radar sensor and a second sensor in a vehicle, (2) a radar detection range, (3) an amount of reflection from a radar radome, (4) weather data, and (5) aerodynamic data that measures an aerodynamic drag opposing a vehicle motion, and to output from the trained machine learning program a determination concerning a presence of the radar radome.

Abstract: A module test machine includes a frame, a fixture, at most two actuators coupled to the fixture, and a controller. The frame is couplable to a first end of a strut module. The fixture is couplable to a second end of the strut module. The fixture includes a plurality of arms with a plurality of adjustable lengths. The at most two actuators are coupled to two of the plurality of arms and configured to impart a plurality of loads along six axes of force at the second end of the strut module. The controller is configured to control the at most two actuators in response to at most two actuator vectors. The plurality of adjustable lengths and the at most two actuator vectors are configured to replicate road load data at the second end of the strut module while under test.

Abstract: In an inspection method and apparatus, when thermal image data with respect to cap sealing of a particular container is analyzed and a low confidence score is obtained, products are classified into a user check product by a rejection-process of separating the products, without determining the products to be good products or not good products.

Abstract: One example method of operation may include creating a force approximation of a number of nodes in a defined space at an initial time (t0), the force approximation being based on a data realization simulation model of an n-body simulation, where n is an integer greater than one. The method may also include determining initial displacement changes of one or more of the nodes within the defined space has occurred in the force approximation, summing the initial displacement changes of the one or more of the nodes to create a summed total displacement, creating an initial displacement threshold (Td) based on the summed total displacement.

Abstract: A wrench assembly comprises an upper clamp assembly adapted to grip a first tubular, a lower clamp assembly coupled to the upper clamp assembly, the lower clamp assembly adapted to grip a second tubular, wherein the upper clamp assembly includes a plurality of torqueing cylinders coupled thereto, and a torque detection circuit in fluid communication with the torqueing cylinders, wherein the torque detection circuit is configured to apply a rotational force to the upper clamp assembly for a predetermined period of time prior to applying a target torque value to complete a threaded connection.

Abstract: A bicycle power meter includes a strain gauge, a signal processing unit, a processor, and a signal transmitter. The strain gauge is disposed on at least one of an outer peripheral wall and an inner peripheral wall of a handlebar of a bicycle. The signal processing unit connected to the strain gauge by signal correspondingly outputs an electrical signal based on a deformation of the handlebar detected by the strain gauge. The processor connected to the signal processing unit by signal receives the electrical signal sent by the signal processing unit and calculates a measuring value based on the electrical signal and sends the measuring value in an output signal. The signal transmitter connected to the processor by signal receives the output signal sent by the processor and converts the output signal to a wired or wireless signal and sends the wired or wireless signal to a terminal device.

Abstract: A bicycle power meter includes a strain gauge, a signal processing unit, a processor, and a signal transmitter. The strain gauge is disposed on at least one of an outer peripheral wall and an inner peripheral wall of a stem of a bicycle. The signal processing unit connected to the strain gauge by signal correspondingly outputs an electrical signal based on a deformation of the stem detected by the strain gauge. The processor connected to the signal processing unit by signal receives the electrical signal sent by the signal processing unit and calculates a measuring value based on the electrical signal and sends the measuring value in an output signal. The signal transmitter connected to the processor by signal receives the output signal sent by the processor and converts the output signal to a wired or wireless signal and sends the wired or wireless signal to a terminal device.

Abstract: A foot mat is a mat for placing on the bottom of a bathtub or shower to prevent the user slipping and falling, and having a second and third function of vibrating to provide foot massage automatically when the user stands on the mat, and an abrasive edge such as a loofah sponge for exfoliating the contactable surfaces of the feet.

Abstract: A wear amount estimation device estimates plural kinds of wear energy depending on each of an internal pressure of aircraft tires, a load acting on the aircraft tires, a velocity of an aircraft, a slip angle caused in the aircraft tires, and a braking force of the aircraft, in accordance with each of these elements and wear energy EFR of the aircraft tires in a state of a free rolling run The wear amount estimation device estimates the wear amount wear of the aircraft tires in accordance with each of the calculated wear energy and a wear resistance R indicating a relationship between predetermined wear energy and a predetermined wear amount.

Abstract: A method to prevent drift in an agricultural implement. Drift is when one side of an agricultural implement is further behind or further ahead of the other side of the agricultural implement in a direction of travel. Drift can be controlled by increasing a downforce on the side that is further ahead, decreasing force on the side that is further behind, or a combination of both. The force can be a moment of force.

Abstract: A method for handling the shutdown of a turbomachine string installed in a plant for the liquefaction of a gaseous product comprising at least two turbomachine strings comprises the steps of detecting the shutdown of a first turbomachine string; promptly increasing the driving torque on a shaft of a second turbomachine string when the shutdown is detected; maintaining the driving torque increase on the shaft of the second turbomachine string until a preset speed of the motor driver is reached or a predetermined period of time expires.

Abstract: A system and a method can use a magnetic field sensor to measure rotation angles of a ferromagnetic object in the form of a screw having screw threads. The magnetic field sensor can use a plurality of correction coefficients to improve an accuracy of the measured rotation angles of the ferromagnetic object. The magnetic field sensor can be disposed to a side of the screw.

Abstract: A method for ascertaining the instantaneous roadway roughness in a vehicle. In the method, the frequency-dependent amplitude response is determined from the wheel speed, and a roughness characteristic variable is ascertained as a measure of the roadway roughness.

Abstract: A control device includes a second-control-signal generating section configured to reduce a predetermined frequency component from a first control signal for performing operation for moving a movable section of the robot to generate a second control signal and a storing section having stored therein reference information including information concerning combinations of ranges of positions of a control point of the robot and frequencies. The second-control-signal generating section determines, based on a position of the control point of the robot in the operation, with reference to the reference information, a frequency component to be reduced from the first control signal.

Abstract: An orientation device, an orientation system and an orientation method are provided. The orientation device includes a seat body, a pressure sensor, and a computing unit. The seat body includes a bearing surface, and the seat body is non-directional. The pressure sensor is disposed below the bearing surface. The pressure sensor is configured to obtain a plurality of pressure data of the bearing surface when an object is disposed on the bearing surface. The computing unit is coupled to the pressure sensor. The computing unit is configured to analyze the pressure data to obtain a direction data. The direction data is configured to determine a first direction of the seat body.

Abstract: A multiplex device including a multiplex connecting section connected to a movable side multiplex device, the multiplex connecting section being configured to transmit a position signal outputted from a position signal output section connected to the movable side multiplex device by multiplexing communication with the movable side multiplex device; an amplifier connecting section connected to a position signal output section amplifier, the amplifier being configured to transmit the position signal to the position signal output section amplifier; a measuring device connecting section connected to a position signal measuring device; and a switching section configured to switch from a connection between the multiplex connecting section and the position signal output section amplifier, and a connection between the multiplex connecting section and the position signal measuring device in accordance with detection of a connection between the measuring device connecting section and the position signal measuring devic

Abstract: One aspect of the present invention is a force measurement method including a first acquisition step in which, among data included in time course data indicating a movement trajectory of cargo acquired in a non-invasive manner, first data indicating a temporal change of a position of the cargo during a period in which the displacement of the cargo per unit time is substantially constant is acquired, a fluctuation value calculation step in which, based on a first probability distribution indicating a distribution of a probability that the amount of change at a predetermined position of the cargo per unit time is a predetermined amount, which is a probability distribution based on the first data, a fluctuation value proportional to a force applied to the cargo by motor proteins that transport the cargo is calculated, and a force calculation step in which the force is calculated based on the calculated fluctuation value.

Abstract: A system for testing blade sharpness comprises a mounting arrangement for mounting a material to be cut; a force measuring device operable, in use, to determine variations in force along a blade as parts of the blade contact the material; and a control system. The control system is adapted to receive a signal that a blade sharpness test is to be performed; in response to the signal, prepare the mounting arrangement for a blade sharpness test; detect when force on the material rises above a pre-determined level; detect when the blade sharpness test is completed; and provide an indication of the force of the blade on the material.

Abstract: The described technology relates to a hand gesture recognition sensor. In one aspect, the hand gesture recognition sensor includes at least one strain unit configured to measure a physical change in an epidermis of a human body. The hand gesture recognition sensor also includes at least one bump unit located in a measurement direction of the at least one strain unit so as not to overlap the at least one strain unit, the at least one bump unit configured to amplify the physical change.

Abstract: A single volume soft sensor capable of sensing real-time continuous contact and stretching. A low-cost and an easy method to fabricate such piezoresistive elastomer-based soft sensors for instant interactions is also provided. An electrical impedance tomography (EIT) technique is employed to estimate changes of resistance distribution on the sensor caused by fingertip contact. To compensate for the rebound elasticity of the elastomer and achieve real-time contact sensing, an adaptive baseline update for EIT is utilized. The baseline updates are triggered by fingertip contact and movement detections.

Abstract: Disclosed herein are an electric press and a method for calibrating the electric press, which can implement a rapid calibration operation. An electric press (10) includes a ram location information storage unit (63) and a load control unit (64). The ram location information storage unit (63) stores ram location information, corresponding to actual load values and representing locations to which a ram is moved, in advance. The load control unit (64) applies an actual load, corresponding to at least one location which belongs to the locations represented by the ram location information and to which the ram is moved, to a compression target by moving the ram to the location. Accordingly, the load value output by the detection unit is calibrated based on the actual load value applied to the compression target.

Abstract: A sensing system is embedded into a fabric or material that conforms to a portion of a user's body. The fabric or material has transmitting antennas and receiving antennas placed thereon. Movement of the fabric or material with the transmitting and receiving antennas placed thereon are able to measure the changes in the signals received by the receiving antennas. Measurement of the changes are used to determine movement of and position of parts of the body within and/or distal to the fabric or material by determining localized pressure deformation to reconstruct volumetric changes.

Abstract: Embodiments of the invention include a cloud-assisted rehabilitation system for assisting in the rehabilitation of musculoskeletal conditions, and a method for rehabilitating patients having musculoskeletal conditions. A rehabilitation portal can aggregate and de-identified musculoskeletal rehabilitation information that is gathered from various intelligent musculoskeletal rehabilitation apparatuses attached to a group of patients. The rehabilitation portal can facilitate crowd communication among the group of patients. A particular rehabilitation experience can be compared with other rehabilitation experiences and data from other patients. The rehabilitation portal can also facilitate crowd communication among a group of healthcare professionals so that the plurality of healthcare professionals can communicate with each other and compare information regarding different rehabilitation experiences based at least on the aggregated de-identified musculoskeletal rehabilitation information.

Abstract: The present invention relates to a method for determining the length of a demountable platform. In the method, a hooklift is used to lift the demountable platform from the ground onto a vehicle, magnitudes of one or more physical quantities related to a position of the hooklift are determined at a moment when the demountable platform comes into contact with rear rollers of the hooklift, and the length of the demountable platform is calculated based on the determined magnitudes of the one or more physical quantities and the position and orientation information of the hooklift relative to the ground. The present invention also relates to a system for determining the length of a demountable platform.

Abstract: A device for evaluating tire rolling resistance, the device includes: load rolls having surfaces that simulate a road surface on which a tire is to travel; a moving mechanism; a load sensor; a position sensor; a phase difference calculation unit; and a rolling resistance evaluation unit. The load rolls are two or more load rolls disposed side by side and are smaller in diameter than the tire.

Abstract: Embodiments of methods are disclosed for characterizing a tested superabrasive element, such as a polycrystalline diamond element. In an embodiment, a method of characterizing the relative strength of a superabrasive element is disclosed. A first superabrasive element and a second superabrasive element are positioned upper surface to upper surface, including an area of overlap between the upper surfaces. A load is applied while the first and second superabrasive elements are overlapped until failure of one or both of the first or second superabrasive elements fail. A relative strength is determined using at least the load during failure as a parameter.

Abstract: A robot arm permitting a more sensitive and precise operation in the offline programming of a robot having a robot arm with a number of arm components, which can be connected to a robot body via a number of actuator-drivable joint connections.

Abstract: A temperature compensation circuit comprises a temperature coefficient circuit that generates a temperature coefficient that is temperature dependent and a compensation circuit that generates a compensation signal based on an indication of temperature of an amplifier and the temperature coefficient, and based on the compensation signal, a gain of the amplifier is adjusted to improve amplifier linearity during data bursts.

Abstract: An actuator control system, mechanical testing system, and method for adaptive control of an actuator of a mechanical testing device is provided. The method may include applying a mechanical load to the specimen with the actuator, resulting in receiving a load sensor signal from a load sensor and a displacement sensor signal from a displacement sensor, determining a plurality of dynamic characteristics of the mechanical testing device throughout a length of the test from data received from the load sensor signal and the displacement sensor signal, and controlling the actuator based on the plurality of dynamic characteristics to adapt the actuator to track a desired performance of the actuator.

Abstract: The mechanical characteristic estimating method is a method for estimating a value of a mechanical characteristic parameter of a test piece W provided with a first shaft S1, and a second shaft S2 and a third shaft S3 which are connected to the first shaft S1. The mechanical characteristic estimating method includes: a first measuring step of measuring a resonant frequency ?L of the test piece in a state in which a gear ratio of the transmission TM1 and the differential gear TM2 is set to a first gear ratio gL; a second measuring step of measuring the resonant frequency ?H of the test piece in a state in which the gear ratio is set to a second gear ratio gH; and an estimating step of calculating the resonant frequencies ?L and ?H, the gear ratios gL and gH, and an estimated value of a spring stiffness.