28results about "Weighing apparatus using radiation" patented technology

Example systems, computer-implemented methods, and computer program products are provided for determining a basis weight of a coating material on a substrate material using a radiation basis weight meter. An example system includes a radiation basis weight meter and a controller. The radiation basis weight meter is configured to direct measurement particles at a coated material, which includes a base material and a coating material, and determine an uncorrected basis weight of the coated material based on a number of measurement particles received at the radiation detector. The controller is configured to determine an uncorrected basis weight of the matrix material based on the corrected basis weight of the matrix material. The controller is further configured to determine a basis weight of the coating material based on a difference between the uncorrected basis weight of the coating material and the uncorrected basis weight of the matrix material using the coating material correction factor.

For patient weight estimation in a medical imaging system, a patient model, such as a grid, is fitted to a depth image. One or more feature values are extracted from the fitted patient model, thereby reducing noise and clutter in the values. The weight estimation is regressed based on the extracted features.

The invention relates to an object weighing method and device based on laser speckle interference. The method comprises the following steps: placing a measured object on an elastic body; speckle images of the measuring surface of the elastomer before and after the measured object is placed are collected; based on a laser speckle interference principle, analyzing and processing the speckle image to obtain a speckle image difference value before and after the deformation of the measurement surface, forming a phase fringe pattern, and obtaining a phase reflecting the optical path difference change caused by the deformation of the measurement surface through phase unwrapping; establishing a corresponding relation between the phase and the weight of the object by adopting a calibration method; solving the weight of the measured object based on the corresponding relation; and the measuring surface is not the surface of the elastic body for supporting the measured object. The technical problems that an existing weight detection scheme is limited in precision, stability and environmental adaptability, and non-contact and high-precision measurement in extreme environments or special occasions such as high-temperature and high-humidity environments is difficult to achieve are solved.

A base weight measurement system for measuring a base weight of a sheet, the base weight measurement system comprising: a nucleon sensor; an infrared measurement device configured for independently measuring infrared light at at least two spectral regions, where for at least a first of the spectral regions, the spectrum of the measured light is limited such that when the infrared measurement device performs the measurement at the first spectral region, the spectrum of the measured light is limited to the spectrum of the measured light at the second spectral region. The spectral response of the infrared measurement equipment at the wavelength of 1.954 mu m differs from the spectral response of the infrared measurement equipment at the wavelength of 2.1 mu m by at least two times; and an analysis device, the analysis device comprising: a data input interface configured to receive data from the nuclear sensor and the infrared measurement device; and a basic weight determination module configured to determine a basic weight of the sheet by combining data obtained from the nucleon sensor and from the infrared measurement device.

The application belongs to the technical field of battery cell manufacturing, and discloses a pole piece coating weight detection method, system, device and storage medium. The method comprises the following steps: a first detection equipment group is used to detect the area density of a pole piece substrate to determine the substrate area density corresponding to a plurality of radiation types; in the case that a plurality of layers of materials are coated on the first surface of the pole piece substrate, a second detection equipment group is used to detect the area density of the coated pole piece to determine the coated pole piece area density corresponding to the plurality of radiation types; for each radiation type, the substrate weight and the total weight of the coated pole piece under a preset detection area are determined based on the corresponding substrate area density and the coated pole piece area density; and the difference between the total weight corresponding to each radiation type and the substrate weight is determined as the coating weight of the target layer material corresponding to each radiation type. The method can realize synchronous and accurate detection of the coating weight of each single layer material in multi-layer coating.

A manufacturing machine (6) and a manufacturing method for the production of pouches (1), each containing a quantity (2) of a loose product. The following are provided: two forming conveyors (7), which define between them a joining area (9); a first feeding unit (11) for feeding to the first forming conveyor (7) a first wrapping material band (12); a second feeding unit (14) configured to feed a quantity (2) of loose product into the first pocket (10) of the first forming conveyor (7) with the interposition of the first wrapping material band (12); a third feeding unit (11) for feeding to the second forming conveyor (7) a second wrapping material band (12) so that the second wrapping material band (12) overlaps the first wrapping material band (12) in the joining area (9), thereby forming each pouch (1); sealing means arranged and configured to create, in particular in the joining area (9), a seal (5) of an edge (4) of a pouch (1); a microwave measuring device (24), which is arranged downstream of the joining area (9) and is configured to measure, without contact, a mass of the loose product present in each pouch (1).

The application relates to the technical field of food conveying production lines, and discloses a food conveying and weighing device and a weighing method based on photoelectric reflection pasting. The guiding and shunting of the guiding and shunting unit of the separating conveying mechanism can input materials into each separated input channel one by one, the conveying frequency of the input materials from the input bus is monitored, the guiding and shunting range of the guiding and shunting unit is adjusted, only one material can be located in the weighing mechanism within the same time period, the input interference of other materials during the process that the weighing mechanism weighs the material while continuously conveying the material is effectively avoided, the number of the weighing mechanisms can be adjusted, the weighing error of subsequent materials caused by the entry of the subsequent materials during the stable process after the weighing mechanism outputs the material is avoided, and the weighing accuracy of the material is ensured.

The invention discloses a weight detection method and device for irregular particulate matters, a storage medium and equipment, relates to the technical field of detection, and mainly aims to solve the problem of poor weight detection accuracy of existing irregular particulate matters. Comprising the following steps: when an irregular particulate matter to be detected is placed on the end surface of a detection end of a sensor, transmitting a laser signal to the detection end of the sensor through an optical fiber, and obtaining a reflected light signal of the laser signal reflected from the back surface of the detection end of the sensor; determining trough displacement information based on the reflected light signal, and determining pressure information corresponding to the trough displacement information based on a trough displacement pressure mapping relation; and calculating the weight of the irregular particulate matter based on the pressure information.

An agricultural system with an agricultural harvester has a terahertz sensor. The terahertz sensor includes at least one a terahertz source disposed to direct electromagnetic radiation toward a harvest material of the agricultural harvester. A terahertz detector is disposed to detect the terahertz electromagnetic radiation after the terahertz electromagnetic radiation interacts with the harvest material. A controller is operably coupled to the terahertz detector and is configured to detect a harvest-related parameter based on a signal from the terahertz detector and to perform an action based on a detected parameter.

In one embodiment, a method executed by a computing system, comprising: receiving pixel samples from three-dimensional (3D) data corresponding to one or more images comprising one or more animals; fitting curves for the received pixel samples; deriving parameters from the curves; determining measurements based on variations in the parameters; and estimating a weight of the one or more animals by applying one or more regression algorithms to the measurements.

A method includes receiving an x-ray signal transmitted from an x-ray transmitter through a coated separator membrane. The method also includes obtaining infrared (IR) signals from the coated separator membrane. The IR signals include two or more spectral components including peaks that include a first peak from the separator membrane. The method also includes the processor determining whether a second peak is present, and determining if at least one contaminant / additive exists in the coating present within the coated separator membrane. The method also includes calculating, by the processor, a concentration / area weight of the at least one contaminant / additive and a weight, density, or thickness of the coating.

The invention belongs to the technical field of battery cell manufacturing, and discloses a pole piece coating weight detection method, system and equipment and a storage medium. Comprising the following steps: performing surface density detection on a pole piece base material through a first detection equipment group, and determining base material surface densities corresponding to a plurality of ray types respectively; under the condition that the first surface of the pole piece base material is coated with multiple layers of materials, surface density detection is conducted on the coated pole piece through a second detection equipment set, and the coated pole piece surface densities corresponding to the multiple ray types respectively are determined; for each ray type, based on the corresponding surface density of the base material and the surface density of the pole piece after coating, determining the weight of the base material under the preset detection area and the total weight after coating; and determining the difference value between the total weight corresponding to each ray type and the weight of the base material as the coating weight of the target layer material corresponding to each ray type. According to the method, synchronous and accurate detection of the coating weight of each single-layer material in multi-layer coating can be realized.

To provide a worker with information showing whether a raw material to transfer is transferred with a proper quantity.SOLUTION: An X-ray inspection device 1 includes: a transfer unit 5 for transferring an object G; an X-ray irradiation unit 6 for irradiating the object G transferred by the transfer unit 5 with an X-ray; an X-ray detection unit 7 for detecting an X-ray having passed through the object G; an image generation unit 10A for generating an X-ray transmission image on the basis of the result of detection by the X-ray detection unit 7; and a calculation unit 10C for calculating the total quantity of the object G transferred per predetermined time by the transfer unit 5 on the basis of the X-ray transmission image.SELECTED DRAWING: Figure 3

An example system, computer-implemented method, and computer program product for determining a basis weight of a coating material on a base material using radiation basis weight gauges is provided. An example system includes a radiation basis weight gauge and a controller. The radiation basis weight gauge is configured to direct measurement particles at a coated material, the coated material including a base material and a coating material, and determine a coated material uncorrected basis weight, based on a number of the measurement particles received at a radiation detector. The controller is configured to determine a base material uncorrected basis weight based on a base material corrected basis weight. The controller is further configured to use a coating material correction factor a determine the basis weight of the coating material based on a difference between the coated material uncorrected basis weight and the base material uncorrected basis weight.

The invention relates to the technical field of mixture statistics, and discloses a material pile dynamic system based on three-dimensional modeling, which comprises a modeling registration module for collecting and preprocessing three-dimensional point cloud data of a material pile and outputting a terrace reference surface and a height field; the segmentation identification module is used for carrying out retaining wall identification, dividing a material pile into a plurality of independent material pile areas and establishing a three-dimensional voxel grid model; the density solving module is used for constructing a density field model of the material pile and outputting a parameterized density field model and density field parameters; the quality fusion module is used for carrying out inversion updating on density field parameters in combination with external quality observation data; the weight output module is used for generating a final material pile total weight metering result; according to the method, the three-dimensional density field model is constructed, the vertical compaction effect, the horizontal separation effect and the time compaction effect are comprehensively considered to deal with the influence of the density of the material pile, the accuracy of weight metering is improved, the stability of parameter estimation is improved through density field parameter inversion, and stable operation under the complex working condition is guaranteed.

To provide a method of controlling a gap for sheet manufacturing measurement processes.SOLUTION: A system for measuring a property of a continuous sheet comprises: a first scanner head 4 disposed on one side of the sheet, where the first scanner head 4 comprises a first sensor device 8 with a first movable sensor base 10 and a first adjustable actuator 12A, 12B configured to move the first sensor base along a first axis; a second scanner head 6 disposed on the opposite side of the sheet, where the first scanner head 4 and the second scanner head 6 define a sensor gap; and control means for controlling the first adjustable actuator, for measuring the distance of the sensor gap and maintaining the sensor gap distance at a desired gap distance.SELECTED DRAWING: Figure 1

An example system, computer-implemented method, and computer program product for determining a basis weight of a coating material on a base material using radiation basis weight gauges is provided. An example system includes a radiation basis weight gauge and a controller. The radiation basis weight gauge is configured to direct measurement particles at a coated material, the coated material including a base material and a coating material, and determine a coated material uncorrected basis weight, based on a number of the measurement particles received at a radiation detector. The controller is configured to determine a base material uncorrected basis weight based on a base material corrected basis weight. The controller is further configured to use a coating material correction factor a determine the basis weight of the coating material based on a difference between the coated material uncorrected basis weight and the base material uncorrected basis weight.

The present application relates to a kind of object weighing method and device based on laser speckle interference, comprising: the measured object is placed on elastomer;The speckle image of the measuring surface of the elastomer before and after the measured object is placed is collected;Based on the principle of laser speckle interference, the speckle image is analyzed and processed, the speckle graph difference value before and after the deformation of the measuring surface is obtained, phase fringe diagram is formed, and the phase reflecting the change of optical path difference caused by the deformation of measuring surface is obtained by phase unwrapping;Calibration method is used to establish the corresponding relationship between the phase and object weight;Based on the corresponding relationship, the weight of the measured object is solved;The measuring surface is not the surface of the elastomer for supporting the measured object.The present application solves the technical problems that the existing weight detection scheme has precision, stability and environmental adaptability limitations, and it is difficult to realize non-contact, high-precision measurement in extreme environment or special occasions such as high temperature and high humidity environment.

In some examples, it is disclosed a computer-implemented method for inspecting cargo in an open-topped vehicle, comprising: obtaining an estimate of a volume of the cargo in the open-topped vehicle, based on data obtained from a top-observation device, the top-observation device being configured to observe a top surface of the cargo in the open-topped vehicle during a mutual movement of the open- topped vehicle and the top-observation device; determining an estimate of a mass of the cargo in the open-topped vehicle, based on the obtained volume estimate; comparing the determined mass estimate with a reference mass associated with the cargo in the open-topped vehicle; and determining whether the cargo in the open-topped vehicle is in conformity with the reference mass, based on the comparing.

A laundry treatment apparatus includes a cabinet, an inner case disposed in the cabinet and provided with walls defining an accommodation space in which clothes are accommodated, a supply unit configured to supply at least one of air or moisture to the accommodation space, a clothes hanger disposed in the accommodation space so as to support the accommodated clothes, and a sensor assembly installed between the cabinet and the inner case, and configured to sense at least one of a quantity of clothes accommodated in the accommodation space and a position of the accommodated clothes by emitting electromagnetic waves as a signal and receiving a reflected signal.

A method for determining the amount of plastics in mixed waste includes spreading out the total amount of mixed waste on a conveyor belt (30), determining positions on the conveyor belt (30) where there are plastic waste using a hyperspectral camera (50), determining a height map that represents the topography of the plastic waste on the conveyor belt (30) based on images captured by stereo cameras (60), and determining the weight of the amount of plastic waste of the mixed waste based on the positions determined by the hyperspectral camera (50), the determined height map of the plastic waste, and a density of the plastic waste.

There is provided a particle mass measurement device including a sensing channel that generates a sensing clock signal, a reference channel that generates a reference clock signal, a counter and a controller. The sensing channel includes a first surface acoustic wave (SAW) sensor that generates a SAW, a first amplifier that amplifies the SAW, and a first bias generator that applies a first bias voltage to the first amplifier. The reference channel includes a second SAW sensor that generates a SAW, a second amplifier that amplifies the SAW generated by the second SAW sensor, a second bias generator that applies a second bias voltage to the second amplifier. The counter generates a first output signal based on the sensing clock signal, and generates a second output signal based on the reference clock signal. The controller adjusts magnitude of the first bias voltage, or adjusts magnitude of the second bias voltage.

This invention belongs to the field of visual monitoring and processing technology for aquaculture organisms. Specifically, it discloses a machine vision-based method for three-dimensional reconstruction and weight estimation of aquaculture biomass, including: calculating the polarization angle of reflected light from the water surface, synchronously adjusting the direction of the underwater light source and the camera's polarization filter to achieve dynamic polarization suppression, effectively blocking specular reflection from the water surface; improving the positioning accuracy of key feature points of the fish body in complex image backgrounds by locating the fin base connection point and combining it with a re-search mechanism in the adjacent area along the spine extension direction; retrieving the body shape correction constant of the current aquaculture fish species, scaling and correcting the physical weight estimate, correcting the weight deviation of bones / viscera not covered in the physical volume calculation, and thus generating the final biomass weight value. This achieves automated three-dimensional reconstruction and weight estimation of aquaculture biomass, improving the accuracy and reliability of aquaculture biomass monitoring.

A measurement method includes determining a measured mass parameter of a workpiece being measured based on radiation intensity of rays that have passed through the workpiece being measured; and correcting the measured mass parameter by using a displacement curve function of the workpiece being measured in a measurement environment, to obtain the corrected mass parameter of the workpiece being measured, where the displacement curve function is used to characterize influence of environmental factors on radiation in the measurement environment.

The invention is entitled Boemite detection and warning system and concentration indicator for LiB separator manufacturing. The invention discloses a method comprising receiving x-ray signals transmitted from an x-ray emitter through a coated separator film. The method further comprises obtaining infrared (IR) signals from the coated separator film. The IR signals comprise two or more spectral components comprising peaks comprising a first peak from the separator film. The method further comprises determining, by a processor, whether a second peak is present and determining whether at least one contaminant / additive is present in a coating present within the coated separator film. The method further comprises calculating, by the processor, a concentration / areal weight of the at least one contaminant / additive and a weight, density, or thickness of the coating.

The invention relates to the technical field of food transportation production lines, and discloses food transportation weighing equipment and a weighing method based on photoelectric reflection stickers. Through guiding and distributing of the guiding and distributing units of the separated conveying mechanism, materials can be input into all separated input channels one by one, the conveying frequency of the materials input from the input bus is monitored, the guiding and distributing range of the guiding and distributing units is adjusted, and it can be effectively guaranteed that the conveying efficiency of the materials is improved within the same time period. Only one material is located in the weighing mechanism, so that the input interference of other materials in the process that the weighing mechanism continuously conveys the materials and weighs the materials is effectively avoided; in addition, by adjusting the number of the weighing mechanisms, in the stabilizing process after the weighing mechanisms output the materials, weighing errors of the follow-up materials caused by entering of the follow-up materials are avoided, and the weighing accuracy degree of the materials is guaranteed.

A terahertz frequency-based sensing system for an agricultural harvester is provided. The system includes a terahertz sensor mounted to the agricultural harvester. The terahertz sensor at least one a terahertz source disposed to direct electromagnetic radiation toward a harvest material of the agricultural harvester. At least one terahertz detector is disposed to detect the terahertz electromagnetic radiation after the terahertz electromagnetic radiation interacts with the harvest material. A controller is operably coupled to the at least one terahertz detector and is configured to detect at least one harvest-related parameter based on a signal from the at least one terahertz detector and to perform an action based on the at least one detected parameter.

Sensors used in sheet manufacturing environments can be sensitive to the gap between the scanner heads. Nuclear gauges measure both the sheet product and gas in the column between the scanner heads. The gap distance can affect the measurement in a linear or non-linear fashion depending on the sensing principle High frequency vibrations can cause the sensor devices therein to move. Techniques for controlling the sensor gap between operative surfaces on dual scanner heads during measurement operation employs a closed-loop control where piezoelectric actuators are used to maintain a constant gap throughout the scan by closing the error signal on the gap measurement sensor. A system for measuring a property of a continuous sheet includes dual scanner heads housing radiation emitters and receivers. Gap measurement signals energize the actuators that adjust the position of one or both sensor devices to maintain the gap at a desired distance.