Systems and methods are disclosed for conducting an ultrasonic-based inspection. The systems and methods perform operations comprising: receiving, by one or more processors, data indicative of a detected tag on a specimen, the tag associated with one or more ultrasonic-based inspections that were previously performed on the specimen; retrieving, by the one or more processors, based on the detected tag, configuration data for a non-destructive testing (NDT) instrument, the configuration data being associated with the one or more ultrasonic-based inspections that were previously performed on the specimen; generating, by the one or more processors, new configuration data for the NDT instrument to perform a new inspection of the specimen at least in part using the received configuration data; and performing the new inspection of the specimen based on spatially positioning the NDT instrument relative to a position of the tag on the specimen.

A detection method of nonlinear ultrasonic guided wave with carrier modulation is described. The high and low frequency components are determined according to the frequency response characteristics of the detection object, and the high-frequency components are processed by delay and combined with the low-frequency components to form a carrier modulation signal. The single excitation and single receiving mode are adopted for signal acquisition. The carrier modulation signal with high frequency and low frequency components is excited by a single transducer. The nonlinear modulation effect is produced by the interaction between the carrier signal and the damage, and the signals are collected by the receiving transducer through transmission method. According to the arrival time of high frequency components and the time of end reflection echo, the signal is intercepted and analyzed. After filtering and normalization processing, the received signal is decomposed by empirical mode decomposition (EMD). According to the decomposed IMF spectrum information, IMF components including fundamental frequency and nonlinear frequency components are used for signal reconstruction. The difference frequency components generated by the modulation of high-frequency and low-frequency, namely nonlinear components, are extracted, and the non-linear coefficient is calculated. The damage degree of materials is evaluated based on the nonlinear coefficient of nondamaged state.

A processing system according to an embodiment includes a processing device. The processing device receives a detection result of a reflected wave from a detector that includes multiple detection elements arranged in a first direction and a second direction crossing each other, and performs a probe that includes transmitting an ultrasonic wave toward a welding object and detecting the reflected wave. The processing device performs a first determination of determining a joint and a non-joint at multiple points along the first and second directions of the welding object based on the detection result. The processing device performs a second determination of determining an appropriateness of a result of the first determination by using a circularness of a first region based on the points determined to be joints.

A methods and systems for determining a change in condition of a rock bolt. Some methods may comprise, at a first point in time, propagating shear and longitudinal ultrasonic waves along the rock bolt to measure a first time of flight for each of the shear and longitudinal waves, at a second point in time after the first point in time, propagating shear and longitudinal ultrasonic waves along the rock bolt to measure a second time of flight for each of the shear and longitudinal waves, and using the relative changes of the first and second time of flights, determining the change in condition of the rock bolt section.

A system can control a transmission of a pressure signal subsea into a flowline comprising a fluid. The system can receive sensor data indicating one or more properties of a first reflection signal corresponding to the pressure signal in the flowline. The system can adjust a model based on the one or more properties of the first reflection signal. The model can be configured for determining a presence of a material deposition in the flowline. The system can determine, based on a second reflection signal and the adjusted model, a presence of the material deposition in the flowline. The system can output a command configured to initiate a remediation operation to reduce the material deposition in the flowline.

Disclosed is a sensor for monitoring a composite structure. The sensor includes multiple sensing elements of different sizes, each configured for different respective monitoring tasks. Also disclosed are methods of fabricating the sensor, designing and manufacturing the sensor, and attaching the sensor to the composite structure.

Systems, methods, and apparatus for tracking location of an inspection robot are disclosed. An example apparatus for tracking inspection data may include an inspection chassis having a plurality of inspection sensors configured to interrogate an inspection surface, a first drive module and a second drive module, both coupled to the inspection chassis. The first and second drive module may each include a passive encoder wheel and a non-contact sensor positioned in proximity to the passive encoder wheel, wherein the non-contact sensor provides a movement value corresponding to the first passive encoder wheel. An inspection position circuit may determine a relative position of the inspection chassis in response to the movement values from the first and second drive modules.

According to the method of the invention, a lubricant is supplied incrementally to a rotary bearing while the bearing is in operation rotating at a rotational speed. The lubricant is supplied in consecutive steps so that at each step a portion of a prescribed amount of lubricant is supplied, followed each time by an ultrasound measurement. A first ultrasound measurement is performed before the first supply step, and starting from the second supply step, each measurement result is compared at least to the previous result, in order to evaluate the bearing condition and decide on that basis whether to continue the sequence or not. Stopping the sequence is decided when the lubrication of the bearing is assessed as successful, a lubrication failure or over-lubrication. The invention is equally related to a system for lubricating one or more bearings, applying the method of the invention to each of said bearings.

A method and device for inspecting marine risers is described. The marine riser is deployed from a floating unit and connected to a lower marine riser package (LMRP) and a blow-out prevention (BOP) stack, and the method comprises: performing a first riser inspection with an inspection tool where the marine riser is in an unconnected well configuration, wherein the inspection tool includes an ultrasonic transducer device, and the first riser inspection comprises: conveying the inspection tool in an internal diameter of the marine riser, detecting information on the marine riser with the inspection tool while conveying the inspection tool through the marine riser, and collecting data with the inspection tool corresponding to the information detected by the inspection tool.

Disclosed are non-destructive evaluation systems and method thereof for detecting delamination, overlay debonding, spalling and detecting and differentiating between sound and delaminated patches in concrete structures. The non-destructive evaluation method for detecting delamination in concrete structures includes obtaining a plurality of acoustic waves, storing the plurality of acoustic waves, calculating a short-term Fourier transform (STFT) spectrum for each of the plurality of acoustic waves, wherein each STFT spectrum comprises a plurality of window discrete Fourier transforms, and detecting the delamination based on the STFT spectrum.