An apparatus and a computer implemented method for determining material quality of a component, the method comprising: receiving ultrasonic scan data for a plurality of scanned components; maintaining the scan data within a data storage system; determining historical data associated with multiple parameters based on the scan data of the data storage system; generating a testing model using the historical data, wherein the testing model is configured to define multiple quality ranges for each parameter; scanning a component using at least one ultrasonic probe to provide component data; and determining quality information of the component using the testing model and the component data.

Disclosed is a method for measuring a deviation angle of a fatigue microcrack based on nonlinear ultrasound, comprising: preliminarily positioning a fatigue microcrack to obtain a center of the microcrack; selecting a horizontal positive direction, and defining an orientation angle; drawing a positive circumference on a surface of a metal plate, and selecting a fixed interval angle; placing an excitation sensor and a receiving sensor on the drawn positive circumference according to the orientation angle; ultrasonically testing each group of ultrasonic sensing paths, and recording time domain waveform signals formed by each group of ultrasonic sensing paths; converting each group of time domain waveform signals into a corresponding frequency domain graph, extracting an ultrasonic fundamental wave signal amplitude and a second harmonic waveform amplitude, and calculating a relative nonlinear coefficient; drawing an orientation angle-relative nonlinear coefficient polar coordinate graph; and determining a deviation angle of the microcrack.

Methods for selecting and treating patients with active Systemic Lupus Erythematosus (SLE) that are predicted to have an increased likelihood of having a positive response to a treatment with a safe and effective amount of an anti-IL-12/IL-23p40 antibody or an anti-IL-23 antibody, e.g., informs on what patients to treat with the anti-IL-12/IL-23p40 antibody ustekinumab.

A method for determining the prestress force of a connection component (10) is proposed. In the method, ultrasonic signals (22) are introduced into the connection component (10) and ultrasonic echoes (24) of the ultrasonic signals (22) are received again. The method comprises the following steps: a) introducing a longitudinal ultrasonic signal and determining a first signal time of flight FTOF.sub.L of the longitudinal ultrasonic signal until the reception of an echo of the longitudinal ultrasonic signal, b) introducing a transverse ultrasonic signal and determining a second signal time of flight FTOF.sub.T of the transverse ultrasonic signal until the reception of an echo of the transverse ultrasonic signal, and c) determining an effective temperature T.sub.eff and the prestress force of the connection component (10) on the basis of the first signal time of flight FTOF.sub.L, the second signal time of flight FTOF.sub.T, previously determined reference data and calibration factors using the assumption that a prestress force F.sub.L ascertained using the first signal time of flight FTOF.sub.L and a prestress force F.sub.T ascertained using the second signal time of flight FTOF.sub.T are equal in magnitude,
wherein steps a) and b) are carried out successively in any desired order or in parallel. A further aspect of the invention relates to a device for carrying out the method.

A rotating machine abnormality detection device of an embodiment includes a non-contact acoustic emission sensor, an analyzer, and a diagnoser. The non-contact acoustic emission sensor, arranged at a position spaced away by a predetermined distance from a measurement target acting as a rotating member or a measurement target rotatably supporting the rotating member, is configured to detect acoustic emission that occurs during rotation of the measurement target or the rotating member supported by the measurement target and propagates in an atmosphere. The analyzer is configured to perform time-frequency analysis on a detection signal of the non-contact acoustic emission sensor. The diagnoser is configured to detect occurrence of a rotation abnormality when a frequency component equal to or larger than a predetermined threshold value is present in a predetermined frequency band, based on an analysis result of the analyzer.

A rotating machine abnormality detection device of an embodiment includes a non-contact acoustic emission sensor, an analyzer, and a diagnoser. The non-contact acoustic emission sensor, arranged at a position spaced away by a predetermined distance from a measurement target acting as a rotating member or a measurement target rotatably supporting the rotating member, is configured to detect acoustic emission that occurs during rotation of the measurement target or the rotating member supported by the measurement target and propagates in an atmosphere. The analyzer is configured to perform time-frequency analysis on a detection signal of the non-contact acoustic emission sensor. The diagnoser is configured to detect occurrence of a rotation abnormality when a frequency component equal to or larger than a predetermined threshold value is present in a predetermined frequency band, based on an analysis result of the analyzer.

A particle size tracking system for providing predictive maintenance and battery tuning of hydrocyclones arranged in a battery configuration, featuring a control having a signal processor configured to: receive signaling containing information about particle sizes of material flowing in pipes of hydrocyclones arranged in a battery configuration; and determine corresponding signaling containing information to control the operation of each hydrocyclone arranged in the battery configuration, based upon the signaling received. The signal processor may be configured to provide the corresponding signal as control signaling to control the operation of each hydrocyclone arranged in the battery configuration.

The invention relates to an acoustic sensor system (1) for detecting the wall thickness (WT1, WT2) of a material layer (2) of a pipeline wall (3), having at least one transmitter unit (4), which is configured to emit ultrasound in the direction of a material layer (2) and detect an ultrasound echo reflected by the material layer (2), and a control unit (5), which is connected to the at least one transmitter unit (4) for signaling purposes and is configured to detect the wall thickness (WT1, WT2) of the material layer (2) using the ultrasound echo. The invention additionally relates to an in-line inspection device comprising the sensor system (1), to a method for detecting the wall thickness (WT1, WT2) of a material layer (2) of a pipeline wall (3), to a computer program, to a data carrier signal, and to a data storage unit.

A measuring device for non-mechanical-contact measurement of a layer, the measuring device including a light source operative to generate a pulse adapted to interact with the layer so as to generate a thermal wave in a gas medium present adjacent the layer. The thermal wave causes an acoustic signal to be generated. The measuring device further includes a detector adapted to detect a first signal responsive to the acoustic signal, the detector not being in mechanical contact with the layer. The first signal is representative of the measured layer.

A measuring device for non-mechanical-contact measurement of a layer, the measuring device including a light source operative to generate a pulse adapted to interact with the layer so as to generate a thermal wave in a gas medium present adjacent the layer. The thermal wave causes an acoustic signal to be generated. The measuring device further includes a detector adapted to detect a first signal responsive to the acoustic signal, the detector not being in mechanical contact with the layer. The first signal is representative of the measured layer.