67results about How to "Realize real-time online measurement" patented technology

The invention discloses high-temperature high-pressure multifunctional core sulfur deposition test device and method. The sulfur deposition test device comprises a displacement system, a formation condition analog system, a data acquisition system and a data processing system. The sulfur deposition test method comprises the following steps of: constructing a test environment, measuring the sulfur element deposition on line, observing the sulfur element deposition process on line, and testing the change of permeability of a rock sample before and after sulfur deposition and the like. The invention has the beneficial effects of realizing the visual display of a true core sulfur deposition process, the real-time online measurement of the sulfur deposition and dynamic calculation of core permeability change caused by sulfur deposition and accurately and dynamically evaluating the damage severity of permeability of a reservoir stratum, caused by sulfur deposition in real time, and has the advantages of high degree of automation, good safety, high accuracy, high temperature and high pressure resistance, strong corrosion resistance and the like.

The invention provides a quick digital image correlation measurement method based on stochastic parallel gradient descent optimization technology, comprising the following steps of comprehensively considering related parameters such as displacement, differential coefficient and the like of any one point in a speckle field of an object to be measured; and utilizing the stochastic parallel optimization technology to realize quick digital image correlation measurement. In the method, by adopting stochastic parallel disturbance on a deformation parameter, the correlation coefficient is convergentto a global unique extremum, thus obtaining the deformation parameter. The method has a simple principle, can be realized easily, is a DIC (digital image correlation) measurement method with totally new concept, can realize the aim of quickly measuring DIC with high precision and high reliability, and is expected to realize the real-time online measurement on the DIC.

The invention relates to a method for measuring viscosity, in particular to a method for measuring the viscosity of dynamic fluid by using a vibration pipe, a controller, a flow rate detecting device and a calculating device, wherein the vibration pipe is communicated with a fluid flow pipeline, the controller is used for controlling the vibration of the vibration pipe, and the flow rate detecting device and the calculating device are respectively arranged on two ends of the vibration pipe. Because a Coriolis mass flowmeter can be used for directly measuring the mass flow rate of the fluid, the dynamic viscosity measurement result with the flow rate compensated can be calculated conveniently, and further the viscosity of the fluid can be measured on line in real time. Because the Coriolismass flowmeter can be used for measuring the density of the fluid in the pipe, the real-time kinematic viscosity of the fluid in the pipe can be obtained.

A soft measurement method for the height of the mud layer in the red mud settlement process belongs to the field of automatic measurement technology, comprising the following steps: establishing a mapping with the mud layer height (L) of the settlement tank by collecting the data of the red mud settlement process under different working conditions; Standardize the collected red mud settlement process data and eliminate abnormal data; standardize the data and use function transformation to map its value to the value interval of [0.1, 0.9]; substitute the data processed in step 3 into the neural network, The weight coefficients are determined through the training of the neural network; the data of the red mud settlement process is collected in real time, and the collected data is processed by steps 2-3, and brought into the trained neural network in step 4 to realize the settlement of the red mud The measurement of the height of the mud layer in the process; the real-time online measurement of the height of the mud layer is realized, which overcomes the shortcomings of the current method, which is large in maintenance, expensive, and not widely used.

The invention discloses a bearing lubricating film thickness ultrasonic measurement method and system, belongs to the field of lubricating oil film thickness measurement and lubricating state monitoring, and solves the problem that the real-time continuous change of the thickness of the bearing lubricating film cannot be effectively monitored by using a single probe through a flight time method, aspring model method, a resonance model method and the like. According to the method, the oil film thickness is solved and obtained by establishing the quantitative relation between the lag phase angle and the reflection coefficient obtained through measurement and utilizing the linear relation between the lag phase angle and the oil film thickness. According to the method, a reflection coefficient obtained through measurement is converted into a lag phase angle, compared with a spring model, the oil film thickness measuring range of the single probe is improved to a large extent, continuous and accurate measurement of the oil film thickness from 0 micron to tens of microns can still be achieved under a high-frequency probe, and film thickness measurement in a wider range can be achieved in combination with a resonance model. The method can be applied to lubricating oil film thickness measurement.

The invention discloses an open channel section water flow online measuring device and a measurement and control method. The device comprises a measuring supporting frame, a measuring rod assembly is fixedly installed on the measuring supporting frame, a side rod assembly communicates with a signal processing control host 11, the measuring rod assembly comprises a measuring rod 8 and a measuring rod driving mechanism, and a set of sensors are arranged on the side rod 8. The measuring rod driving mechanism comprises a measuring rod lifting motor 10, an output shaft of the measuring rod lifting motor 10 is fixedly connected with a coded disc 4 and a shaft angle encoder 5, and the coded disc 4 is fixedly connected with the measuring rod 8. The technical problem to be solved by the invention is to provide the open channel section water flow online measurement device and the measurement and control method so as to solve the problems that the existing open channel flow measurement equipment realizes multi-vertical-line multi-measurement-point water flow real-time online measurement according to relevant national standards, and the measurement is inaccurate under the conditions of turbid water body, silted channel, sundries in the water body and the like. The problem of real-time online flow measurement of the open channel can be effectively solved.

An in-line key parameters measuring method based on generalized prediction control for the process control of boiler or different industrial furnaces features that an in-line measuring model is disclosed.

The invention discloses a method for measuring switch latency of an intelligent substation by utilizing a network message analyzer to analyze message passing a switch. Online measuring of switch latency is achieved, and alarming can be sent when latency border crossing occurs. In addition, the original topological structure of the switch communication network is unaffected.

The invention discloses a real-time online continuous methanol detecting device and method. The real-time online continuous methanol detecting device comprises a liquid path module, a gas path module and a detecting module, wherein the detecting module comprises a light shielding casing, a reactor and a photoelectric sensor; the reactor and the photoelectric sensor are arranged in the light shielding casing; the liquid path module comprises a liquid storing unit, a liquid inlet pump, a mixer and a liquid sucking pump; the liquid storing unit, the liquid inlet pump and the mixer are sequentially communicated through liquid path pipelines and are communicated with a liquid inlet hole of the detecting module; the liquid sucking pump is communicated with a liquid outlet hole of the detecting module through the liquid path pipelines; the gas path module comprises a filter and a gas sucking pump; the filter is communicated with a gas inlet hole of the detecting module through a gas path pipeline; the gas sucking pump is communicated with a gas outlet hole of the detecting module through the gas path pipeline. According to the method, detection is performed by utilizing the device. According to the real-time online continuous methanol detecting device and the detecting method disclosed by the invention, extremely high detecting sensitivity and good selectivity are guaranteed, the responding speed of the detecting system is improved to the maximum extent, and the real-time online detection on methanol gas is realized.

The invention relates to a flotation concentrate grade detection method based on multi-parameter feature fusion. The method comprises the following steps: (1) collecting flotation mineral particles and flotation froth images; (2) detecting the particle size distribution condition of the collected mineral particle image based on an image processing technology; (3) extracting image features of flotation froth, and establishing a sample database; (4) measuring ore pulp concentration and density indexes on line; (5) establishing a multivariable concentrate grade prediction model by using the mathematical relationship among the ore pulp concentration, the density and the concentrate grade; (6) respectively establishing different concentrate grade prediction models based on five different neural networks; and (7) performing multivariable joint optimization by using parameters of the concentrate grade prediction model established by using a particle swarm algorithm, and taking an average value of accumulated sums of output results of the six models as an output value Y of the final flotation concentrate grade prediction model, namely a detection value of the concentrate grade. The method has the advantages that the flotation concentrate grade detection accuracy and precision are higher according to the prediction model.

The invention provides a method for monitoring an etching process by using optical emission spectroscopy characteristics, which comprises the following steps: firstly, using an optical emission spectroscopy acquiring device to acquire spectroscopy signals in real time and on line; secondly, screening spectroscopy of certain specific elements (such as CF<2>) or certain section of the spectroscopy from the spectroscopy signals, and finally determining thickness of a polymer deposited on the inner wall of a current etching chamber according to linear relation between the strength of the screened spectroscopy signals and the polymer deposited on the inner wall of the etching chamber. Therefore, the method can achieve real-time effective monitoring for an etching process.

The invention relates to a full-automatic halogen gas measurement device. The device comprises a gas path part and a gas path control part. The gas path part comprises a gas acquisition component, a gas intake time control component and a gas measurement component. The gas acquisition component is used for acquiring a measured gas and air, and conveys the two gases to the gas intake time control component through respective pipelines; the gas intake time control component mixes the two gases through an output pipeline and then conveys the mixed gas to the gas measurement component; the gas measurement component measures the concentration of the mixed gas concentration; the gas path control part includes a control and data processing module and a data display module, the control and data processing module is used for controlling the on-off time of the two gases in the gas intake time control component, receiving an electrical signal fed back by the gas measurement component, performs computing processing on the electrical signal and conveys the processed electrical signal to the data display module. The measurement device provided by the invention realizes real-time on-line measurement of halogen gas from 1ppb to 50ppm, the measurement range is wide and the sensitivity is high.

The invention discloses a wireless measuring device for the concentration of non-spherical particles of a three-dimensional dense gas-solid system. The wireless measuring device comprises magnetic-control photographing particles, a magnetic-control driving unit, a wireless signal receiving unit, a wireless remote controller and an image processing unit, wherein the magnetic-control photographing particles are coupled with photographing and wireless signal transmitting and receiving functions and are arranged inside the three-dimensional dense gas-solid system; the magnetic-control photographing particles are similar to the non-spherical particles inside the system in shape and size; the magnetic-control photographing particles can move randomly in a gas-solid flow field and also move to a target area under the control of the magnetic-control driving unit; the distributed information of the magnetic-control photographing particles in an ambient bed layer is scanned and photographed by using a camera inside the magnetic-control photographing particles; finally an image signal is transmitted to a wireless signal transmitting and receiving system outside the system in a wireless transmitting mode, and the concentration of the particles is obtained through image processing. By adopting the measuring method and the device disclosed by the invention, the visible particle distribution information inside the bed layer can be obtained in random movement and magnetic-control movement modes, and the wireless measuring method and device have the advantages of no interference on flow fields, real-time on-line measurement and the like.

The present invention is one kind of opto-electromechanical temperature monitoring device, and is one active surface scanning temperature measuring instrument capable of completing the active 2D field temperature field measurement of static target and the performing the video monitoring of the target. The technological scheme includes: setting one light entering opening on the instrument casing for light to enter, setting spectroscope at the opening, setting reflector beside the spectroscope to reflect light to the video camera, setting infrared receiving mirror capable of rotating and oscillating in the inner side of the spectroscope and setting infrared detector to receive infrared and transmit signal the signal processor. The present invention is used in on-line measurement of burning temperature and burning state and is significant in improving work state, raising product quality, saving fuel and reducing harmful gas exhaust.

The invention relates to an electric conduction-type internal wave measurement system, which is characterized in that: the system comprises a micro conductive sensor array for detecting the change of electric conductivity in a flow field, an output end of the micro conductive sensor array is sequentially connected with a range switcher, an amplifier, an electric conductivity/density converter, an analog/digital converter, a computer and an internal wave waveform real-time display window; the range switcher automatically adjusts the gain of the amplifier according to an electric conductivity signal of the micro conductive sensor array; the electric conductivity/density converter converts the electric conductivity signal of liquid to a density signal which is then further converted, by the analog/digital converter, into a digital signal for being input into the computer, and the digital signal is analyzed and processed by internal wave signal real-time processing software in the computer to obtain integral real-time internal wave waveform, in the end, the internal wave waveform is input to an internal wave waveform real-time display window for being displayed. The system has the advantages of long recording time, high resolution, good synchronism, high reliability and the like, and is suitable for the real-time measurement and analysis of internal waves at different density layers in a variety of density stratification water tanks.

The invention discloses a device and a method for measuring ammonia gas based on femtosecond laser-induced plasma, the device comprises a flow field to be measured, a femtosecond laser, a focusing lens, a spectrograph, an ICCD camera and a computer, and NH3, such as NH3/N2 mixed gas and NH3/air combustion flame, is arranged in the flow field to be measured. The spectrograph is arranged on one sideof a flow field to be measured, the spectrograph and the ICCD camera are both connected with a computer, and laser emitted by the femtosecond laser forms a filament through the focusing lens and thenenters the flow field to be measured. The measuring device is simple, the measuring process is simple and convenient, the interference on the flow field to be measured is very small, and the real-time online measurement of NH3 in the closed and open flow fields can be realized.

The invention provides a secondary air online measuring method for a turbulent burner, and the secondary air online measuring method is used for measuring the air speed in a secondary air duct of theturbulent burner. The measuring method comprises the following steps of selecting three measuring radiuses in the secondary air duct, wherein three circumferences taking the central point of the secondary air duct as the center of a circle by the three measuring radiuses, and the three circumferences are successively an inside circumference, a middle circumference and an outside circumference; anddividing the radial cross section of the secondary air duct into four annular regions by the three circumferences, wherein the radiuses of the three circumferences are successively r1, r2 and r3. Themethod provided by the invention can measure the blast capacities of secondary air hoses truly and effectively, provides a good basis for optimizing air distribution, optimizes the air distribution mode, reduces the electric consumption of a fan, reduces the station service power consumption rate, and improves the economical efficiency of a boiler.

The invention provides a measurement and verification device for the underwater bending and twisting deformation of a fuel assembly. The device comprises a connecting part used for realizing integrated installation, a measuring part installed on the connecting part and used for realizing measurement of the fuel assembly, a rotating part which is connected with the connecting part and controls the connecting part to rotate so as to drive the measuring part to rotate, and a lifting part which is connected with the rotating part and controls the rotating part to ascend and descend so as to drive the measuring part to ascend and descend, Meanwhile, the invention also provides a corresponding method. The method comprises the steps of: collecting the three-dimensional reconstruction point cloud data of the fuel assembly through an upper group of measurement units and a lower group of measurement units; screening and fitting the point cloud data to obtain a reconstructed outer side points of the fuel assembly and a fitting plane of the reconstructed outer side points, and performing three-plane intersection on the fitting plane to obtain an intersection result; and based on the intersection result, completing the bending and twisting deformation measurement of the fuel assembly. The device and the method have the advantages of strong anti-interference capability, high stability, high precision and high speed, can realize real-time online measurement of bending and twisting deformation of the fuel assembly, and have certain watertight performance.

This invention relates to a self-aligned transparent material refractive rate test instrument, which has a flat base fixed with a laterally placed test drawtube on it by a locating supporting piece, a working piece locating base is set at the front of its exit light and a camera device is set at the tail t obe connected with a computer by a transmission interface, a shaft position coder is set on the top of the drawtube and a transmission interface connected with the computer is set on the coder to be connected to a minimeter on the drawtube by a stem having an adjusting handwheel and a monochromatic lamp.

The embodiment of the invention discloses a fully mechanized coal mining face hydraulic support supporting height and top beam inclination angle measuring method, and relates to the technical field offully mechanized coal mining face equipment monitoring. adopting a depth camera to obtain a point cloud image containing a hydraulic support base; performing noise reduction processing on the point cloud image by adopting a filtering algorithm; segmenting the denoised three-dimensional point cloud by using a point cloud segmentation algorithm to obtain a plurality of types of point cloud data clusters; selecting a point cloud feature descriptor to perform feature description and extraction on point cloud clustering; performing matching in point cloud clustering according to the hydraulic support base three-dimensional model to obtain base point cloud; registering the hydraulic support base point cloud with a preset base database point cloud model to obtain six-degree-of-freedom parametersof the support base relative to the depth camera in an actual scene; and obtaining the supporting height of the hydraulic support and the inclination angle value of the top beam by combining the installation position relation of the depth camera and the top beam. According to the measuring method, real-time on-line measurement of the supporting height of the hydraulic support and the inclinationangle parameters of the top beam can be well achieved.