Abstract: A test robot for testing slot breech wedges, which are provided on the outer periphery of a rotor of a generator, the rotor being surrounded by a stator, with a chassis, which receives a drive system, a position detection device, a controller, which controls the drive system based on data captured by the position detection device, magnets attached to the chassis, which are positioned and designed such that the magnets adherently hold the chassis to a magnetic substrate, at least one ultrasound test head, which is freely accessible from the underside of the chassis and is movable upward and downward, and at least one couplant application component, which is provided on the chassis and is associated with the ultrasound test head.

Abstract: A method for non-destructive testing of walls of components, at least one ultrasonic transducer (1) which is fixed to a surface of the wall is used to emit horizontally polarized transverse waves (3) in a lateral propagation direction and compression waves or vertically polarized transverse waves (6) in a radial propagation direction. The at least one ultrasonic transducer (1) and/or at least one further ultrasonic transducer arranged at a known distance from the at least one ultrasonic transducer (1) on the respective wall of the component (2) is/are used to detect horizontally polarized transverse waves (4) reflected by defects and compression waves or vertically polarized transverse waves (7) after or while running the non-destructive testing of the wall in order to determine the respective wall thickness.

Abstract: Non-destructive evaluation (NDE) systems and methods are provided for monitoring objects being manufactured during a cure or consolidation process and for detecting defects that occur during the cure or consolidation process or to detect conditions of the process that can lead to the occurrence of defects. Information acquired by the NDE system during the cure or consolidation process can be used to adjust one or more parameters of the process in real-time to prevent defects from occurring or to reduce the number and/or severity of defects that occur during the cure or consolidation process.

Abstract: Disclosed herein is a detection assembly for detecting kissing bonds in a bonded joint of a part. The detection assembly comprises an electromagnetic shockwave generator that is configured to generate an electromagnetic shockwave through a target portion of the bonded joint. The electromagnetic shockwave has an intensity sufficient to induce a separation of a kissing bond in the target portion of the bonded joint and insufficient to induce a separation of a healthy bond, adjacent the kissing bond, in the target portion. The detection assembly also comprises an ultrasonic sensor that is configured to generate a transmitted ultrasonic pulse, direct the transmitted ultrasonic pulse into the target portion of the bonded joint, and receive a received ultrasonic pulse from the target portion of the bonded joint in response to the electromagnetic shockwave generator generating the electromagnetic shockwave through the target portion of the bonded joint.

Abstract: The present disclosure provides methods and systems for the characterization of a microtexture of a sample, component, or the like. The methods may include methods of determining a service life limiting region of a component, determining a treatment method for a component, and/or selecting components from a batch of components for use in production. The characterization may include calculating a microtexture level indicator from ultrasonic C-scan images for various samples, regions, components, or the like. The microtexture level indicator may include at least one of an average peak factor, a standard deviation of peak amplitude, and/or a baseband bandwidth.

Abstract: Disclosed is an apparatus for ultrasonic inspection of a multi-layered, ML, plate with a stiffener attached on a first surface of the ML plate. The apparatus includes a transmitter directing a first ultrasonic beam along a first guiding medium to the ML plate, along a first axis at an angle to the first surface, the first axis being within a transmission angle with respect to a first normal perpendicular to the first surface, and a receiver for receiving a transmitted ultrasonic beam originating from the first beam after passing through the ML plate along a second axis of a second guiding medium for directing the transmitted beam. The apparatus is configured for setting the transmission angle of the first axis of the first beam to let the second axis pass through a location beneath the stiffener beneath the first surface to which the stiffener is attached.

Abstract: The present disclosure provides systems and methods for non-destructively estimating the thickness of buried concrete without excavation. An example method may include placing one or more first accelerometers at a plurality of vertical positions below the surface of the ground at an approximate first distance from a vertical edge of the buried concrete each time. The method may further include, for each position in the plurality of vertical positions, generating a dispersive wave in the buried concrete and determining a time of arrival of the dispersive wave at the one or more first accelerometers. The method may further include estimating the thickness of the buried concrete based on at least the times of arrival of the dispersive waves at the one or more first accelerometers.

Abstract: [Problem] To provide an ultrasonic apparatus that enables one to find a factor that lowers reliability of a measurement value relating to elasticity of biological tissue. [Means for Solution] An ultrasonic diagnostic apparatus comprises a control circuit executing: a measurement-value calculating function 535 of calculating a measurement value relating to elasticity of the biological tissue based on echo signals from ultrasonic detecting pulses; an index-value calculating function 536 of calculating an index value indicating a degree of reliability for the measurement value for each of a plurality of factors that deteriorate the reliability of the measurement value based on the echo signals from the ultrasonic detecting pulses; and a notifying function of notifying a factor corresponding to at least one index value for which the degree of reliability does not meet a required standard.

Abstract: A system for monitoring for presence of insects in non-hollow trees, the system including a structural element configured to be driven into the tree's interior and bearing a vibration sensor; and a processor configured to receive data recorded by the sensor, to detect presence of insects in the tree's interior by analyzing said data, and to generate alerts accordingly.

Abstract: Disclosed herein are systems and methods for mechanical failure monitoring, detection, and classification in electronic assemblies. In some embodiments, a mechanical monitoring apparatus may include: a fixture to receive an electronic assembly; an acoustic sensor; and a computing device communicatively coupled to the acoustic sensor, wherein the acoustic sensor is to detect an acoustic emission waveform generated by a mechanical failure of the electronic assembly during testing.

Abstract: An ultrasonic inspection device according to an embodiment includes: an ultrasonic transducer which includes at least one oscillator group having a plurality of oscillators in a plurality of regions, each region disposing at least one oscillator; a selector which selects at least one region having one or more of the oscillators to be driven from among the plurality of regions; and a driver which individually drives one or more of the oscillators of the at least one region being selected.

Abstract: Disclosed herein is an apparatus for ultrasonic inspection that comprises a base and a contact shoe that is located within the base and movably coupled to the base. The apparatus additionally comprises a sensor carriage located within the contact shoe and movably coupled to the contact shoe such that the sensor carriage is translationally movable relative to the contact shoe. The apparatus further comprises a linkage pivotably coupled to the base at a base pivot point, pivotably coupled to the contact shoe at a shoe pivot point, and pivotably coupled to the sensor carriage at a carriage pivot point. Translational movement of the contact shoe relative to the base causes the linkage to pivot about the base pivot point, the shoe pivot point, and the carriage pivot point and move the sensor carriage relative to the base and the contact shoe.

Abstract: An ultrasonic probe (1) sends out ultrasound waves to a steel sheet (100) obliquely at a plurality of angles, using transmission signals provided from a transmission signal processing unit (3a). In addition, the ultrasonic probe (1) receives echoes corresponding to the plurality of angles from the steel sheet (100). A reception signal processing unit (3b) determines amplitudes of the echoes received by the ultrasonic probe (1) and corresponding to the plurality of angles, and periods of time from when the ultrasound waves are sent out until the echoes are received, as reception times, and identifies a location of a flaw (101) in the steel sheet (100) from the reception times and a ratio between the amplitudes.

Abstract: Embodiments of the present disclosure relate to the field of intelligent devices. The present disclosure provides a method for monitoring motor vibration, a terminal device, and a computer readable storage medium. In the method, vibration data of the motor is acquired in real time when it is detected that a motor is vibrating; the vibration data is converted into image data indicating a vibration sensation; and the image data is displayed. In this way, the strength of motor vibration is visualized, and the distinguishability of tactile perception is improved.

Abstract: There are provided an ultrasonic waveform data generation unit (123) that generates ultrasonic waveform data representing amplitudes of reflected ultrasonic beams received by a reception unit (132) in time series for each of ultrasonic elements (111) forming reception ultrasonic elements (114), an ultrasonic waveform data processing unit (124) that uses a plurality of origin time adjustment patterns, in which a plurality of relative positional relationships between a phased array probe (110) and a welded portion (210) are set, and performs processing to synthesize pieces of the ultrasonic waveform data each having the adjusted origin time to generate synthesized ultrasonic waveform data according to each of the origin time adjustment patterns, and a defect evaluation unit (125) that evaluates whether or not a defect (211) is present in the welded portion (210) based on the synthesized ultrasonic waveform data.

Abstract: According to one embodiment, an inspection apparatus determines an object to be in a first state when an intensity at a first frequency of a frequency characteristic is not less than a first threshold, and determines the object to be in a second state when the intensity at the first frequency is less than the first threshold. The frequency characteristic is generated based on a vibration of the object when the object is struck. The second state is different from the first state.

Abstract: A plurality of ultrasonic transducers of the invented probe are separated in a concentric circle pattern, separated in rows that are orthogonal to a reference line L that passes through the center of circles, and positioned line symmetrically with respect to the reference line L. The detection surface of the invented probe has a circular shape having the diameter D, and has a plurality of segments divided into a plurality of arc-shaped portions that are symmetrical with respect to the reference line L. Further a controller which has a plurality of control channels for controlling pairs of the line symmetrical ultrasonic transducers under the same conditions is provided.

Abstract: A large-panel ultrasonic on-machine scanning thickness measurement equipment and method is disclosed. A GNCMT is adopted as the measuring machine main body on which a measured large panel is clamped and conducts scanning measurement motion; a non-contact ultrasonic measurement device is installed on the spindle of the machine tool for realizing transmission and acquisition of ultrasonic signals; a coupling liquid circulation system with the functions of multi-layer filtering, flow monitoring and regulation is set up; a jet flow immersion coupling mode is adopted on the surface of the measured large panel, and micro-emulsion cutting fluid is used as compatible coupling liquid of ultrasonic on-machine thickness measurement; and the coupling liquid is recycled, purified and stably supplied circularly. The thickness measurement equipment has high multi-function integration and reliable performance.

Abstract: Systems and methods for testing shear bond strength of cement with a composite sample under downhole conditions form a bonding surface of the sample oriented at an angle between 50 and 70 degrees from a plane perpendicular to a longitudinal axis of the sample. The composite sample is formed by bonding the cement to the sample with the cement in contact with the bonding surface of the sample.

Abstract: Disclosed herein is a non-destructive inspection (NDI) apparatus. The NDI comprises a main body and a modulated-frequency ultrasonic source, coupled to the main body. The modulated-frequency ultrasonic source comprises a low-frequency ultrasonic source, selectively operable to emit a low-frequency ultrasonic beam having a first frequency. The modulated-frequency ultrasonic source also comprises a high-frequency ultrasonic source, selectively operable to emit a high-frequency ultrasonic beam having a second frequency higher than the first frequency. The modulated-frequency ultrasonic source is configured to mix the low-frequency ultrasonic beam and the high-frequency ultrasonic beam at least at a surface of a structure to be inspected.