Abstract: A method and a smart gas Internet of things (IoT) system for metering anti-interference of a gas ultrasonic meter. The IoT system including a smart gas user platform, a smart gas service platform, a smart gas sensing network platform, a smart gas object platform, and a smart gas device management platform. The method may be performed by the smart gas device management platform. The method may include: transmitting at least two sound waves of different frequencies at at least two time-dividing points and receiving at least two echo signals by the gas ultrasonic meter. The at least two time-dividing points may be determined at least based on time-dividing point correlation data; determining, based on the at least two echo signals, a gas flow difference; determining, based on the gas flow difference, whether a noise interference exists; and in response to a determination that the noise interference exists, adjusting a gas metering strategy.

Abstract: A test and measurement instrument includes one or more processors to execute code to cause the processors to: access a user instance of the test and measurement instrument; receive one or more requests from the user instance of the test and measurement instrument; determine any collisions between the one or more requests and any other requests for elements of the test and measurement instrument; resolve any collisions as necessary; perform one or more operations to fulfill the request; and display information resulting from the one or more operations on an instance user interface.

Abstract: A meter electronics (20) for using a density measurement of a fluid to verify a vapor pressure is provided. The meter electronics (20) includes a processing system (200) communicatively coupled to a meter assembly (10) having the fluid, the processing system (200) is configured to determine a vapor pressure of the fluid by detecting a phase change of the fluid in the meter assembly (10), measure a density of the fluid based on a resonant frequency of the meter assembly (10), derive a vapor pressure from the measured density, and compare the determined vapor pressure with the derived vapor pressure.

Abstract: A monitoring unit for a fluid storage receptacle includes a sensor to attach to the fluid storage receptacle and detect an amount of empty space between fluid contents of the fluid storage receptacle and the sensor, and a transmitter to receive and transmit data from the sensor. The monitoring unit also includes a proximity sensor to detect a presence of a beacon within a proximity range of the proximity sensor, a controller to selectively open a fluid control valve of the waste oil receptacle, or both the proximity sensor and the controller.

Abstract: A sonic inspection device according to an embodiment includes: a sonic probe that includes a transducer configured to perform at least one of transmitting a sound wave and receiving a sound wave and has a sonic function surface constituting at least one of a transmitting surface of the sound wave and a receiving surface of the sound wave; a contact member that includes a couplant and a sheet-shaped member, the couplant having a first surface, which is in contact with the sonic function surface of the sonic probe directly or while interposing an intermediate member, and a second surface on an opposite side of the first surface, and containing an elastomer, and the sheet-shaped member laminated with the couplant to be in contact with the second surface and containing a polymer; and a loading mechanism configured to apply a load to the contact member.

Abstract: A chromatography system includes a liquid sending pump for sending a mobile phase in an analysis flow path, a sample injector that injects a sample into the analysis flow path, a separation column for separating the sample into components, a column oven for storing the separation column and adjusting a temperature of the separation column to a preset target temperature, a liquid sending controller configured to control an operation of the liquid sending pump, and a column protection flow rate setter configured to set a column protection flow rate. The liquid sending controller is configured to control the operation of the liquid sending pump such that, when the liquid sending pump starts sending the mobile phase, the flow rate of the mobile phase flowing through the analysis flow path does not exceed the column protection flow rate until a temperature in the column oven reaches the target temperature.

Abstract: A transfer and online detection system for deep-sea sediment samples and an application method thereof are provided. A sample gripping and feeding device, a sample segment cutting device, a sample online detection device, a high-pressure ball valve and a pressure-retaining drill disengaging device of the system are coaxially connected with one another. A seawater booster pump is connected with a water inlet ball valve, and a valve control panel is connected with the sample gripping and feeding device, the sample segment cutting device, the high-pressure ball valve and the pressure-retaining drill disengaging device. The pressure-retaining drill disengaging device is configured for disengaging an inner barrel and an inner barrel joint, and the sample gripping and feeding device and the sample segment cutting device are configured for gripping and cutting core samples, and conveying the cut core samples into a subsample pressure-retaining storage cylinder for storage.

Abstract: A volume measurement apparatus comprises: a point group conversion part converting depth information from a depth sensor into point group data; a raw material heap detection part detecting a point group related to a raw material heap from the point group data, using repose angle information; and a raw material heap volume calculation part that calculates a volume of the raw material heap non-occlusion part based on the point group related to the raw material heap; estimates a volume of the raw material heap occlusion part in the raw material heap, using at least the point group related to the raw material heap; and calculates a volume of the raw material heap, which is a sum of the calculated volume of the raw material heap non-occlusion part and the estimated volume of the raw material heap occlusion part.

Abstract: High impedance fault (HIF) detection and location accuracy is provided. An HIF has random, irregular, and unsymmetrical characteristics, making such a fault difficult to detect in distribution grids via conventional relay measurements with relatively low resolution and accuracy. Embodiments disclosed herein provide a stochastic HIF monitoring and location scheme using high-resolution time-synchronized data in micro phasor measurement units (?-PMUs) for distribution network protection. In particular, a fault detection and location process is systematically designed based on feature selections, semi-supervised learning (SSL), and probabilistic learning.

Abstract: Using various techniques, a position of a probe assembly of a non-destructive inspection system, such as a phase array ultrasonic testing (PAUT) system, can be determined using the acoustic capability of the probe assembly and an inertial measurement unit (IMU) sensor, e.g., including a gyroscope and an accelerometer, without relying on a complex encoding mechanism. The IMU sensor can provide an estimate of a current location of the probe assembly, which can be confirmed by the probe assembly, using an acoustic signal. In this manner, the data acquired from the IMU sensor and the probe assembly can be used in a complementary manner.

Abstract: A sensor for use in detecting corrosion under insulation (CUI) and a method for deploying the same that does not require removal of cladding and/or insulation. The sensor includes at least a first sensor element formed of a first metal and a second sensor element formed of a second metal, the first and second metals being different. One or a plurality of sleeve members formed of an electrically-insulating material, such as plastic, maintain the first and second sensor elements at a predetermined distance from each other and define at least one sensing region that extends between the first and second sensor elements. The first and second sensor elements are configured to electrically communicate based on a conductive solution being disposed in the at least one sensing region and causing a galvanic current to be induced therebetween.

Abstract: Embodiments of the present invention provide systems and methods for multidimensional parts average testing for testing devices and analyzing testing results to detect outliers according to embodiments of the present invention. The testing can include calculating multivariate (e.g., bivariate) statistics using delta measurements of like devices, a ratio of measurements, or principal component analysis that identifies eigenvectors and eigenvalues to define meta parameters, for example. Raw test result data can be converted to residual space and robust regression can be performed to prevent outlier results from influencing regression, thereby reducing overkill advantageously.

Abstract: The present disclosure relates to the technical field of automated analysis, and provides a sample analysis system and a control method for the same and a sample analysis method. The sample analysis system includes: a control device; a rail device for carrying cuvettes under control of the control device; at least one independent sample distribution node arranged on the rail device for distributing samples to the cuvettes, the independent sample distribution node being used for sample aspiration, transfer, and discharge; and at least two independent reagent distribution and measurement nodes arranged on the rail device for distributing test reagents to the cuvettes and measuring the mixture liquid in the cuvettes, the independent reagent distribution and measurement nodes being used for reagent aspiration, transfer, and discharge and reagent-sample mixture liquid measurement.

Abstract: An apparatus and method utilizing acoustic resonance spectroscopy applicable to any mechanical device or structure having internal or external components that need to be positioned away from a set point and then returned to the original position, such as a valve which is opened to pass fluids and subsequently closed, for noninvasively providing a measure of the deviation from the original position, and for classifying or grouping together objects that appear to be identical from the outside, but which may have slight external or internal differences, such as sealed containers filled with different fluids or materials, are described.

Abstract: A method for monitoring a heat treatment applied to a substrate comprising a weakened zone formed by implanting atomic species for splitting the substrate along the weakened zone, the substrate being arranged in a heating chamber, the method comprising recording sound in the interior or in the vicinity of the heating chamber and detecting, in the recording, a sound emitted by the substrate during the splitting thereof along the weakened zone. A device for the heat treatment of a batch of substrates comprises an annealing furnace comprising a heating chamber intended to receive the batch, at least one microphone configured to record sounds in the interior or in the vicinity of the heating chamber, and a processing system configured to detect, in an audio recording produced by the microphone, a sound emitted when a substrate splits.

Abstract: A digital, self-diagnosis, sensing intelligent layer integrating active and passive monitoring, including: a capacitance testing unit, configured to charge a to-be-tested piezoelectric transducer by generating a step signal, and determine a transition moment, to obtain a free capacitance value of the to-be-tested piezoelectric transducer; a frequency testing unit, to charge the to-be-tested piezoelectric transducer by generating sinusoidal signals of different frequencies, and detect a resonant frequency according to the transition moment; an active and passive monitoring module, to obtain analog response signals in an active mode and a passive mode, and convert the analog response signals into digital response signals for transmission; and a main control module, to transmit a self-diagnosis result and the digital response signals to a guided wave host. The intelligent layer integrates active damage scanning and passive impact monitoring while implementing self-diagnosis for a piezoelectric transducer state.

Abstract: Employing methodologies and systems to detect damage initiation and growth inside a composite material (matrix cracking, delamination, fiber break, fiber pullout, etc.) wherein damage produces high-frequency acoustic emission (AE) waves that are transported to recording sensors along with relatively lower frequency waves representing the flexural deformation of the impacted composite structure.

Abstract: An isolation amplifier of an embodiment includes: a primary circuit including an encoder configured to encode an input signal and output the encoded input signal and an anomaly detection circuit configured to detect anomaly having occurred to the input signal and generate a detection signal; an isolation unit configured to insulate the primary circuit from a secondary circuit; an output circuit configured to generate an output signal corresponding to the input signal; and an anomaly-input sensing-output circuit configured to generate an output signal from the secondary circuit by changing the output signal from the output circuit based on the detection signal.

Abstract: A particle size distribution measurement device includes a cell holding body 31 that holds a measurement cell 2 containing a measurement sample and a dispersion medium and a reference cell 6 containing a reference sample and is rotated by a motor 322, and a cell discrimination mechanism 7 that discriminates the cells 2, 6 passing through a predetermined rotation position by using a magnetic force or electrostatic capacitance.

Abstract: Provided are method and system for rapidly predicting foaming tendency of edible frying oil, including: heating the oil; immersing a polar component content detection probe into the oil to measure an initial polar component content of the oil; at a frying state, removing the detection probe from the oil, placing frying food into the oil and frying the same taking out the frying food from the oil after frying, and measuring the largest frying oil foam height and recording the same as an initial foam height; at an air introduction state, immersing the detection probe and introducing air into the oil, and continuing to introduce air and heat thereinto until the polar component content in the oil is 10%; repeating the frying state; and fitting measurements and parameters into a formula.