Abstract: A ship weighing system and a weighing method thereof include a collection module, a computing server, a wireless router, a display control terminal, and a network switch, which are installed in the ship. The collection module synchronously collects water level data of a stern and trim angle data of a front portion, a middle portion, and a rear portion of the ship. The computing server respectively calculates, based on the water level data collected by the collection module, an accumulated volume of the ship below a slice section parallel to a bottom plane of the ship corresponding to the water level data and a volume of a trim wedge formed by the slice section and an actual horizontal plane. The computing server combines results and corrects a volume of a vertical arch wedge in the middle portion of the ship to obtain a displacement volume of the ship.

Abstract: A new vibration test-cell that allows a static load to be applied simultaneously with lateral vibration coupled with in-situ microscopy that allows for the ability to open a fatigue crack up to a desired gap, as well as generate acoustic emission (AE) from vibration excitation, micro-fracture events are captured by the AE measurement while the physical observation of the crack faying surfaces is performed in-situ with an optical microscope embedded in the test cell.

Abstract: Coal rock three-dimensional strain field visual system and method are provided under mining influence. The system includes a stress condition simulation system and a strain monitoring system. The stress condition simulation system includes a similar simulation experiment rack, a loading system and a circular slideway. The method includes preparing a 3D printing wire, printing a strain visual similar model, simulating a stratum dip angle and a gas-containing condition, applying stress fields, recording a cracking and dyeing condition of microcapsules inside the model, and the like. The system can realize tracing the generation and development of internal cracks in simulation models with complex geological conditions, and tracing the three-dimensional movement of internal ink dots to draw four-dimensional images of displacement fields.

Abstract: A dual platform, electronic weigh scale is disclosed. The scale is compact and self-contained. The scale is useful for commercial vehicle weight enforcement. The scale has a base, a set of load cells, and two (2) platforms. The base is rigid, metallic, and generally rectangular, and has a central recessed area. The load cells are elongated, rectangular, and are coupled to the base in the central recessed area. The set of load cells are arranged such that half are in communicative contact with one platform and the other half are in communicative contact with the other platform.

Abstract: The invention relates to a weighing device, e.g. for kitchens. It has a support plate (1) for receiving the object to be measured and a controller (16). Furthermore, an excitation element (12) for generating mechanical vibrations in the support plate (1) and a measuring element (14) for measuring the mechanical vibrations of the support plate (1) are provided. The excitation element (12) and the measuring element (14) are used to determine one or more resonance frequencies and/or other spectral characteristics of the support plate (1), and this is used, for example, to determine the mass of the object.

Abstract: Methods and systems for eccentric load error correction are disclosed. A plurality of weighing data sets for a weight having a mass value are obtained, where the weight is loaded at different positions on a weighing platform of a weighing device. Differences between each of the weighing data sets and the average value of the plurality of weighing data sets or the mass value of the weight are calculated. Sensor correction coefficients are calculated and updated when the maximum absolute value of the differences exceeds a pre-set threshold. The weighing data sets are updated. The above steps are repeated until the absolute values of all the differences are less than the pre-set threshold.

Abstract: A system for determining an adhesion value between wheel and rail for a railway vehicle is described, comprising an optical information acquisition means arranged to acquire optical information from the rail, a database arranged to store the acquired optical information in at least a learning phase and to associate said information with a relevant real wheel-rail adhesion value measured at the moment of acquisition of the optical information, a control unit arranged to determine the current wheel-rail adhesion value on the basis of a comparison between current acquired optical information and the optical information previously stored in the database. The control unit determines that the current wheel-rail adhesion value associated with the current acquired optical information corresponds to the adhesion value associated with the optical information stored in the database having the highest degree of similarity with the current acquired optical information.

Abstract: An abnormal temperature detection device includes a temperature acquirer configured to acquire temperature data; a preprocessor configured to perform preprocessing of calculating a feature amount of the temperature data; a synthesizer configured to perform synthesis processing of synthesizing the feature amount and past determination information indicating whether the temperature data acquired in the past is normal or abnormal; a learner configured to generate an identification model by performing machine learning on a result of synthesis by the synthesizer; and a determiner configured to determine whether temperature data for detection which is acquired by the temperature acquirer, and on which the preprocessing is performed by the preprocessor and the synthesis processing is performed by the synthesizer, is normal or abnormal by using the identification model.

Abstract: According to one embodiment, a corrosion determination system according to an embodiment includes one or more sensors, an index data acquirer, and a corrosion determiner. Elastic waves generated from a structure including at least a member that generates elastic waves due to corrosion are detected. The index data acquirer acquires index data that is an index of an amount of water on the surface of the structure. The corrosion determiner determines whether there is corrosion in the structure based on elastic waves generated due to corrosion identified based on the index data among a plurality of elastic waves detected by the one or more sensors.

Abstract: The present invention comprises a very simple apparatus for low pressure testing of equipment used in the water industry such a backflow preventing assemblies, and in particular double check valve backflow assemblies used in the landscape irrigation industry. Testing method is simple. Connect the swivel nut located at the bottom of apparatus to the test cock of a check valve on the normal upstream side of check valve to be tested, manipulate the insolation valves and test cocks of the backflow preventing assembly using conventional procedures and fill the site glass of the apparatus to the level identified on the sight glass with a black line indicating “1.5 psi—Start Test” line. Open test cocks of the check valve test so that pressure is applied to upstream side of the check valve and test cock on the downstream of the check is open to atmospheric pressure. Observe water level in the apparatus sight glass and if water level remains above the red line located on the sight glass indicating “1.

Abstract: A method is provided for determining a magnitude of a mass to be placed on a wheel assembly using data from one or more inertial measurement units (IMU's). The one or more IMU's are mounted to a removably attachable object that is attached to a wheel of the vehicle in a manner that inhibits the object from coming off of the vehicle when the vehicle is in motion. Each of the IMU's include an accelerometer. A set of acceleration data is collected from the one or more IMU's while the vehicle is in motion. The acceleration data is applied to a predictive model to determine the magnitude of the mass.

Abstract: Disclosed are a ventilation test device and method for plastic parts of a coffee machine. The device includes a device body, a detection assembly on a top of the device body, gas delivery pipes on a top of the detection assembly, electric telescopic columns, and a pressing plate on tops of telescopic ends of the electric telescopic columns. Circular holes are formed in the pressing plate, telescopic rings are fixedly mounted at a bottom of the pressing plate, and the telescopic rings are located around peripheries of the circular holes. Downstream devices for identifying ventilation types are arranged inside the gas delivery pipes, annular inclined plates are arranged on the pressing plate, the annular inclined plates are distributed around peripheries of tops of the circular holes, and a U-shaped frame is hingedly connected to a top of an inclined plate in each of the annular inclined plates.

Abstract: A method for operating a liquid droplet dispensation system is provided. The method includes dispensing a first droplet of a first fluid sample from a reservoir at a first pressure, measuring a first velocity of the first droplet, and measuring a first mass of the first droplet. The method further includes dispensing a second droplet of the first fluid sample from the reservoir at a second pressure, measuring a second velocity of the second droplet, and measuring a second mass of the second droplet. The method further includes dispensing a droplet of a second fluid sample from the reservoir at a third pressure, measuring a third velocity of the droplet of the second fluid sample, and determining a mass of the droplet of the second fluid sample based upon the first, second and third velocities, the first, second and third pressures, and the first and second masses.

Abstract: A vehicle weight estimation apparatus 10 includes: a collecting unit 11 that collects vibration information indicating vibration output from a sensor 25 installed to a structure having a vibration-generating structure that generates vibration upon passage of a vehicle 30; an axle response extracting unit 12 that detects, by using the vibration information, axle responses indicating the passage of one or more axles of the vehicle 30 over the vibration-generating structure; an axle index calculating unit 13 that calculates axle indices corresponding to the individual axles based on the axle responses; a converting unit 14 that converts the axle indices into axle weights by referring to conversion information that is stored in advance and that indicates a relationship between axle indices and axle weights; and a vehicle weight calculating unit 15 that calculates the weight of the vehicle by totaling the axle weights of the individual axles.

Abstract: In some embodiments, a computer-implemented method of determining an identity of one or more monomer subunit residues of a polymer analyte is provided, In some embodiments, a raw current signal generated by using a variable voltage to translocate the polymer analyte through a nanopore. In some embodiments, change points are detected in the raw current signal to determine a series of states, In some embodiments, capacitance compensation is performed on the raw current signal for each state to create an ionic current-vs-voltage curve for each state. In some embodiments, the ionic current-vs-voltage curves is converted to conductance-vs-voltage curves. In some embodiments, filtering is performed for the series of states to create a series of filtered states. In some embodiments, the identity of one or more monomer subunit residues of the polymer analyte is determined based on the series of filtered states.

Abstract: A device for simulating a dynamic munition-related environment for a projectile, and a simulation device-projectile assembly including: a suspension device configured for suspending the projectile along the longitudinal direction of the projectile in such a way that the projectile is mounted freely along the longitudinal axis of the projectile; a propulsion device configured for being positioned facing the rear end of the projectile at a predefined distance from the projectile; and an impactor configured for being propelled, by the propulsion device, at a predetermined velocity toward the rear end of the projectile so as to strike the projectile so as to reproduce a shock response spectrum specific to an exit from a muzzle.

Abstract: A testing apparatus for evaluating a medical implant for electric potential oscillations that lead to corrosion. The testing apparatus uses a uniaxial load device having a mounting base for accepting a medical implant and orienting the implant along a predetermined axis, a support plate positioned under the uniaxial load device and moveable to apply a force to the implant, a load cell positioned above the mounting plate to measure the force applied to the implant, and a set of differential variable reluctance transducers positioned to measure motion of the implant. A chamber encloses the uniaxial load device so that the implant can be submerged in a fluid replicating human synovial fluid. A faraday cage surrounds the chamber for isolation from environmental electromagnetic radiation. An array of near field antenna are positioned circumferentially around the chamber and driven by a multi-frequency generator.

Abstract: An electronic scale includes a weight sensor, a control unit connected to the weight sensor and a detection circuit connected to the control unit and to the weight sensor, the detection circuit being distinct from the control unit. The detection circuit is configured to periodically control a voltage supply to the weight sensor, to detect an increase in weight above a predetermined threshold and to send a weight measurement initiation command to the control unit. The control unit is then configured to wake up from a standby state and implement a weight measurement by issuing a command to supply voltage to the weight sensor and by performing a processing of the voltage across the weight sensor.

Abstract: Tooth brushing monitoring system is disclosed that includes a toothbrush with sensors and a base station. The sensors record data regarding the quality, quantity and location of brushing and the system can analyze the data to provide feedback on the quality of brushing. This feedback provides motivation for users to increase their brushing habits, leading to a decrease in plaque, tooth decay and gingivitis.

Abstract: The present invention relates to a novel analytical method for detecting one or more analytes in a source sample by continuous flow 2D LC-MS/MS using a single LC system.