Abstract: The present disclosure relates to a coil apparatus of an oscillation sensor or exciter of a measuring transducer or a measuring instrument for measuring a density or a mass flow of a medium flowing through a measuring tube, comprising: a circuit board, at least one coil adapted for registering or producing a time varying magnetic field, wherein the at least one coil has a first coil end and a second coil end, wherein the coil apparatus has four contacting elements, wherein the circuit board has a cutting plane extending perpendicularly to the faces, wherein the cutting plane divides the faces into a first side and a second side, wherein one contacting element of a pair of contacting elements is arranged on the first side, and wherein one contacting element of a pair of contacting elements is arranged on the second side.

Abstract: Various examples described herein are directed to systems and methods of detecting damage to an analyte sensor using analyte sensor impedance values. In some examples, a method of assessing sensor membrane integrity using sensor electronics comprises determining an impedance parameter of an analyte sensor and determining a membrane integrity state of the analyte sensor based on the impedance parameter.

Abstract: An object of the present invention is to provide a compact air flow rate measuring device with improved stain resistance. A physical quantity detecting device of the present invention includes: a semiconductor element having a flow rate detection unit 205; a circuit board 207 supporting the semiconductor element; and a conductive cover 202 fixing the circuit board 207, and the semiconductor element is fixed to the circuit board 207 such that the flow rate detection unit 205 faces the cover 202.

Abstract: A material independent mass flow sensor is used to generate signals that can be used to calculate mass flow of grain harvested by a combine. A method for determining a mass of material includes the steps of receiving data from a three-measurement transducer and determining an angular center of mass location of an object based on the data from the three-measurement transducer. A coefficient of friction of the object is determined. A velocity of the object is determined. A mass of the object is determined. The mass of the object can be determined based on the angular center of mass location of the object, the coefficient of friction of the object, and the velocity of the object.

Abstract: A method for detecting a hardware configuration of a device intended to be carried aboard an aircraft turbomachine and controlled by a two-channel protection calculator (8), comprising a power supply able to supply the device, a first measuring box (16) able to measure a first voltage Vs1 at the output of the device and a second measuring box (18) capable of measuring a second voltage Vs2 at the output of the device: a) Send a control voltage to the input of the equipment Vc; b) Measure the first voltage Vs1 and the second voltage Vs2; c) Infer the hardware configuration of the device from the values of the first and second voltages measured Vs1 and Vs2.

Abstract: A computer-implemented method is provided for detecting broken bar faults of an induction motor during operations.

Abstract: Systems and methods for continuously monitoring mass loss through flow erosion of a well equipment component are provided. The disclosed system includes a wear transducer mounted to the equipment component proximate a portion of the equipment component exposed to erosive fluid flow. The wear transducer includes a metal coupon including an elongated end that extends into a flowpath of the equipment component such that the elongated end is exposed to the erosive fluid flow. The wear transducer also includes an ultrasonic sensor disposed within the metal coupon. The ultrasonic sensor transmits ultrasonic signals through the metal coupon toward the elongated end and receives ultrasonic signal reflections reflected back from the elongated end.

Abstract: A foreign substance detection device includes a flow path unit through which a fluid is flown; an optical system configured to flatten a laser light from a laser source to be lengthened in a direction intersecting with a flow direction of the fluid; a laser light irradiation unit provided such that an optical path intersects with the flow direction and configured to irradiate the laser light into the flow path unit; a light detection unit which is provided on the optical path having passed through the flow path unit and includes light receiving elements arranged in a lengthwise direction of a transversal cross section of the optical path; a foreign substance detection unit configured to compare a signal level corresponding to intensity of light received by each light receiving element with a threshold value and configured to detect the foreign substances based on a comparison result.

Abstract: A method for determining the amount of a gas present in a battery cell, whereby the battery cell has an initial volume, comprises at least the following steps: a) immersing the battery cell into a non-conductive liquid having a defined density at a first ambient pressure; b) generating a lifting force that acts in the opposite direction of a downforce of the battery cell; c) changing the first ambient pressure to a second ambient pressure, and measuring the buoyancy force—which is dependent on the ambient pressure—of the battery cell in the liquid; and d) measuring the amount of gas present in the battery cell, taking into account the first and second ambient pressures, the buoyancy forces ascertained for these ambient pressures, the temperature of the non-conductive liquid and the density of the liquid.

Abstract: A power measuring system includes a processor, a control unit, a memory unit, and a power sensor including a sensing unit and a signal processing unit correspondingly outputting an electrical signal according to a deformation of the sensing unit. The sensing unit is disposed to either a right operational part or a left operational part of a bicycle. The control unit is controlled by a user and outputs a weighting command. The processor receives the weighting command and stores the weighting command into the memory unit, and obtains a weighting parameter corresponding to the weighting command according to a reference table stored in the memory unit, and receives the electrical signal outputted from the signal processing unit, and calculates a first power value, and multiplies the first power value by the weighting parameter to get a second power value, and adds the first power value and the second power value to obtain a total power value.

Abstract: Disclosed is a sampling device, a sampling system and a method of collecting samples of particulates. Also disclosed a sampling device, a sampling system and a method of generating data associated with the collection of the samples of particulates. Also disclosed is a system and method for analysing the sample data to identify the particulates in the collected samples and their one or more characteristics which may be correlated with the surrounding environment.

Abstract: A method for generating a calibration curve of asphalt concrete of a known mix. Initially, a single sample of the known asphalt concrete mix is obtained. The single sample has a known percent voids. A dielectric measurement of the single sample is obtained. Using only the dielectric measurement of the single sample, the sample's known percent voids, and a dielectric of air, a theoretical ideal dielectric for the asphalt concrete mix at 0% voids is computed. A dielectric vs. percent voids calibration curve is generated based on the computed ideal dielectric.

Abstract: The present disclosure provides an alternating current (AC)/direct current (DC) voltage detection circuit, which includes a rising edge trigger circuit and a detection and output circuit connected to an output terminal of the rising edge trigger circuit. When an increase of the operating voltage at the rising edge of the operating voltage in one clock period is greater than the magnitude of a preset bias voltage, an output signal of the output terminal undergoes at least one target flip between a high level and a low level. When a detection result shows that the output signal of the rising edge trigger circuit undergoes preset m (a natural number) target flips in preset M consecutive clock periods, the detection and output circuit generates an AC determination signal.

Abstract: A method for operating a magnetic-inductive flowmeter includes several steps. In a calibration step, a plurality of noise-removed comparison flow measurement values are determined. A comparison frequency spectrum is determined from at least a part of a plurality of detected, noisy raw measurement signals, on which the calculation of the noise-removed comparison flow measurement values is based. In a measurement operation step, a current noise-removed flow measurement value is calculated from a plurality of detected, noisy raw measurement signals. A current measurement frequency spectrum is determined from at least some of the plurality of detected, noisy raw measurement signals. In a comparison step, the current measurement frequency spectrum is compared with one of the comparison frequency spectra and a deviation value is determined. Depending on the deviation value, the current noise-removed flow measurement value is signaled as unreliable and/or as reliable.

Abstract: A temperature sensing device for a hot stamping die apparatus includes: a processor, wherein when a second die moves toward a first die to press a workpiece, a pushing signal is transmitted to the processor; at least one temperature sensing unit is disposed in the first die and includes: a moving rod, a buffer, and a temperature sensor; a displacement regulator; and a controller, whereby when the processor receives the pushing signal, the processor controls the displacement regulator through the controller, so that the moving rod drives the buffer and the temperature sensor to move a predetermined distance, and further the temperature sensor moves toward the workpiece to touch the workpiece and sense a temperature of the workpiece.

Abstract: Electromagnetic logging tools to inspect nested pipes using hybrid frequency- and time-domain logging techniques are disclosed. The disclosed logging system and processing workflows combine frequency-domain and time-domain techniques to overcome the disadvantages of using frequency-domain or time domain tools in isolation.

Abstract: The present invention relates to a drive for an electric application such as an electric motor, said drive including at least one microphone for registering noise signals occurring at the drive, wherein the microphone is connectable to a computing device for analysing the registered noise signals. The registered noise signals may be used for a maintenance process of the drive and/or a fine-tuning process of a drive control method of the drive. The present invention also relates to a maintenance process, in particular a predictive maintenance process for a corresponding drive. Furthermore, the present invention relates to a process for fine tuning a drive control method of a corresponding drive.

Abstract: A method and system for determining a flow rate of at least a phase or a component of a fluid produced from an oil and gas well are presented hereinafter. The fluid is one of a multiphase and of a multicomponent fluid. The method comprises, in a training phase, collecting primary measurements of pressure, temperature, and additional flow parameter of the produced fluid. The primary measurements are carried out at the wellhead by a set of sensors installed in a flow line for the produced fluid. In the training phase, the method also comprises collecting a flow rate of at least one of the phases or components of the produced fluid simultaneously measured by a reference multiphase flow meter installed in the flow line. It also includes establishing a relationship between the pressure, temperature, and the additional flow parameter and the flow rate of the at least one of the phases or components of the produced fluid.

Abstract: A test and measurement instrument including a voltage source configured to output a source voltage, a current sensor, and one or more processors. The one or more processors are configured to determine an estimation of a load of an unknown connected device under test based on the source voltage, the current sensor, and a voltage of the connected device under test without any prior knowledge of the connected device under test.

Abstract: A method comprising: inspecting an engine during a first period of time to identify damage, the engine being associated with an aircraft; receiving three-dimensional data of one or more components of the engine, the three-dimensional data being generated during the first period of time; determining, during the first period of time, whether the identified damage exceeds a threshold; providing instructions to release the aircraft for operation in a second period of time, subsequent to the first period of time, if the identified damage does not exceed the threshold; and inspecting the received three-dimensional data during the second period of time to measure damage.