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214 results about "Continuous measurement" patented technology

Continuous measurement is conducted in a way in which ALL instances of a response class are detected during an observation period.

Meter state adaptive estimation method supporting data incomplete completion

The invention relates to a meter state adaptive estimation method supporting data incomplete completion. The method comprises the following steps: acquiring continuous measurement data of a meter under a unified time reference to form an original measurement data sequence; generating a state parameter set for describing the current working state based on the original measurement data sequence; dividing an original measurement data sequence into a plurality of data windows, and predicting an expected measurement value in each window according to the variation amplitude and trend direction of collected data in adjacent time periods; comparing the predicted measurement value with an actual measurement value, and identifying positions with difference values exceeding a set threshold value to form an incomplete position index set; aiming at the incomplete position index set, in combination with the change trend and continuity of adjacent data, searching a complementation value in a preset reasonable numerical value interval, and generating a complemented measurement data sequence; according to the invention, the integrity and accuracy of the meter data under the condition of loss or abnormity are improved.
Owner:SHENZHEN FRIENDCOM TECH DEV +1

Dynamic electric inclination angle feedback-based sediment thickness real-time calculation method, system and equipment

The invention belongs to the field of data control optimization, and provides a sediment thickness real-time calculation method, system and equipment based on dynamic electric dip angle feedback, which can collect the current value fed back by a sediment thickness probe by setting a plurality of continuous and equal time sampling windows, collect the current value set in each time sampling window, and calculate the sediment thickness according to the current value set. Respectively calculating a current signal inclination angle according to the current value set in each time sampling window; a dynamic time window is used to filter the current signal dip angle of each time sampling window to control the real-time calculation of the sediment thickness. The sediment thickness can be reliably and continuously obtained in real time and probe deflection and environment drifting can be automatically counteracted under the environments of mud, high pressure, deep holes and the like. The device and the method have remarkable progress in the aspects of drifting resistance, noise resistance, continuous measurement and equipment reliability, and can be widely applied to sediment thickness detection of deep piles, large-diameter cast-in-place piles and coastal high-salt projects.
Owner:GUANGZHOU ZHONG COAL JIANGNANJICHU ENG CO

High-adaptability fused salt heat storage system in-situ monitoring method

The invention relates to a high-adaptability fused salt heat storage system in-situ monitoring method, which is characterized in that current and potential signals correspond to the concentration of impurity ions in fused salt through an electrochemical analysis method, and the current value of a characteristic peak corresponds to the concentration of impurities in the fused salt, so that sampling and chemical analysis are not needed; according to the method, the real-time concentration of the impurities can be obtained only by acquiring the characteristic peak current value through electrochemical scanning, the fused salt component analysis process is greatly simplified, the real-time monitoring of the ion concentration through the square wave voltammetry is an automatic and continuous process, and compared with a traditional analysis method, the method has the advantages of being high in sensitivity and analysis speed and suitable for popularization and application. And analyzable response can be generated to tiny concentration change. According to the invention, in-situ and continuous measurement of the concentration of the marker impurities in the molten salt can be realized, and timely and accurate feedback can be provided for changes of components and heat storage performance of the molten salt.
Owner:ZHEJIANG UNIV +1

Novel tetrahydrothiophene concentration measuring device

The utility model discloses a novel tetrahydrothiophene concentration measuring device, which relates to the technical field of tetrahydrothiophene detection and comprises a natural gas pipeline, the rear side of the natural gas pipeline is fixedly connected with an L-shaped pipeline I, and the rear end of an L-shaped pipeline III is fixedly connected with a gas mixing chamber. The rear side of the natural gas pipeline is respectively provided with a gas mixing chamber unit, a compressed air preparation unit, a natural gas decompression preparation unit, a sample gas detection unit, a control unit and a communication unit. Air and natural gas are mixed in equal volume, an aerobic detection environment is created, and the working principle of an electrochemical tetrahydrothiophene detector is matched; according to the electrochemical tetrahydrothiophene concentration detector, the tetrahydrothiophene concentration of the mixed gas is accurately detected, then the tetrahydrothiophene concentration of the natural gas is deduced according to the isovolumetric proportional relation, reliable working conditions are created for the electrochemical tetrahydrothiophene concentration detector, continuous measurement can be achieved, detection data are stable, repeatability is good, and precision is high.
Owner:WUHAN ZHONGYOU COMPRESSED NATURAL GAS CO LTD

Sleeper lateral resistance testing device considering ballast track service state change

The invention relates to a sleeper lateral resistance testing device considering the service state change of a ballast track. The sleeper lateral resistance testing device comprises a suspension assembly, a loading assembly and a measuring assembly, the suspension assembly comprises a suspension steel frame cross beam, a suspension steel frame side beam and a supporting cross beam; the suspension steel frame cross beam is installed on a steel rail, the supporting cross beam is installed on a sleeper, the suspension steel frame side beam is installed on a sliding rail of the supporting cross beam, and the side face of the suspension steel frame side beam is connected with the suspension steel frame cross beam; a side beam lower pressure sensor is mounted below the sliding rail; the loading assembly comprises two jacks which are arranged at symmetrical positions relative to a sleeper, and the jacks are arranged on a steel rail; the measuring assembly comprises a laser displacement sensor, a jack pressure sensor, a pressure data acquisition instrument, a displacement data acquisition instrument and a notebook computer; and continuous measurement of transverse resistance and displacement is realized. Compared with the prior art, the real service state can be kept; displacement can be accurately controlled; disturbance is reduced, and data reliability is high.
Owner:SHANGHAI RAILWAY BUREAU +1

Soap film gas flow standard measuring device and method with automatic foaming and automatic measuring functions

The invention provides an automatic foaming and automatic measuring soap film gas flow standard measuring device and method, and belongs to the technical field of gas flow measurement. The device comprises a liquid soap pool, a soap film pipe, a film lifting pipe, a connecting pipe, a pipettor, a single chip microcomputer and the like. The liquid soap pool is used for storing liquid soap, the soap film pipe is installed above the liquid soap pool, the film lifting pipe is used for generating and conveying a soap film, the pipettor is used for accurately controlling the liquid level in the film lifting pipe, and the single-chip microcomputer serves as a control center and is in communication connection with the sensors and the actuator. The specific measurement process comprises the stages of initial preparation, automatic wetting of the pipe wall of the soap film, automatic measurement, continuous measurement and the like, gas flow is accurately measured by automatically controlling generation, movement and breakage of the soap film and combining data of multiple sensors, errors caused by manual operation and foam residues of a traditional soap film flowmeter are avoided, and the measurement accuracy is improved. And high-precision and high-efficiency gas flow measurement is realized.
Owner:QINGDAO PINGHENG ENVIRONMENT PROTECTION TECH CO LTD

Method and device for measuring eccentricity of railway bridge line beam

The invention provides a railway bridge line beam eccentricity measuring method, which at least comprises the following steps of: acquiring position information of a bridge guardrail by adopting a radar module, and adjusting the height position of a laser ranging module according to the position information, so that the laser ranging module can detect the bridge guardrail for ranging; the laser ranging module is adopted to measure the distances between the first steel rail and the bridge guardrails on the two sides of the first steel rail at the same time, and the eccentric distance is calculated according to the distance parameters measured by the laser ranging module and the track gauge of the track. The invention provides a device for measuring the eccentricity of the railway bridge line beam. The measuring device is applied to the method for measuring the eccentricity of the railway bridge line beam. The method has the beneficial effect that the eccentric distance along the track can be automatically and continuously measured.
Owner:SHENHUA RAIL & FREIGHT WAGONS TRANSPORT

Gradient thermocouple liquid level real-time detector

The invention discloses a gradient thermocouple liquid level real-time detector, and relates to the technical field of liquid level detection, an integrated gradient thermocouple probe rod structure is adopted, a plurality of groups of thermocouple nodes are integrated on a single corrosion-resistant alloy integrated gradient thermocouple probe rod according to a preset interval through a special process, and a continuous temperature gradient sensitive area is formed. A high-precision signal processing circuit is embedded in the integrated gradient thermocouple probe rod, the temperature difference potential of each node is collected in real time, the liquid level height is calculated based on a dynamic temperature field modeling algorithm, and full-scale continuous measurement is achieved. Gradient node distributed layout is created for the first time, and a blind area of traditional point type measurement is eliminated; a self-adaptive temperature compensation mechanism is developed, and medium layering and boiling interference are overcome; the integrated gradient thermocouple probe rod adopts vacuum sealing and a nanometer heat insulation coating, and can resist a high temperature of 600 DEG C and a high pressure environment of 40 MPa. The device has millimeter-level measurement precision and millisecond-level dynamic response capability, does not need to move parts or external radiation sources, and remarkably improves the reliability, safety and installation convenience of liquid level monitoring of industrial reaction kettles and high-pressure boilers under extreme working conditions.
Owner:NINGBO AUQI AUTO INSTR EQUIP

Method and system for continuously measuring water depth of cross section based on millimeter waves

The invention discloses a cross section water depth continuous measurement method and system based on millimeter waves, and relates to the technical field of hydrographic measurement. According to the invention, through a millimeter wave radar array and a multiple-input-multiple-output antenna, a frequency modulation continuous wave signal is transmitted and a mixed echo signal is received; extracting time-frequency characteristics by using wavelet transform and short-time Fourier transform, and classifying reflection peaks in combination with a Gaussian mixture model; calculating the thickness of an ice layer, the thickness of an air interlayer and an initial water level based on the delay inequality, and dynamically correcting an error through adaptive Kalman filtering; a dynamic focusing algorithm is adopted to synthesize water surface and riverbed reflection signals, and a sand content compensation and flow velocity correction model is introduced to optimize water depth and riverbed elevation inversion; the three-dimensional interpolation weight is optimized through an ant population algorithm, and a high-precision cross section continuous water depth distribution diagram is generated; according to the invention, the problems of poor penetrability, weak anti-interference capability and low continuous water depth precision are solved, and full-section dynamic monitoring of the ice layer thickness, the water level, the water depth and the riverbed form is realized.
Owner:天宇利水信息技术成都有限公司

Fill level measuring device for carrying out a measurement

A radar level measuring device is provided, the device being configured to perform a measurement for determining a level of a filling material by a frequency modulated continuous wave measurement method, the radar level measuring device including: a transmitting device configured to transmit a radar signal in a direction of a filling material surface to perform the measurement; a receiving device configured to receive the radar signal reflected from the filling material surface and to evaluate the measurement; a control device configured to control the transmitting device and the receiving device; and a selection device configured to select a parameter set for controlling the transmitting device and the receiving device, the parameter set including at least a measurement duration of the measurement, a minimum measurement frequency and a maximum measurement frequency of the measurement, and a number of consecutive measurements.
Owner:VEGA GRIESHABER GMBH & CO

Method and system for intelligent identification and grading of unmanned aerial vehicle aerial survey at geological disaster hidden danger point

The invention relates to the technical field of geological disaster monitoring, and discloses an unmanned aerial vehicle aerial survey intelligent identification and grading method and system for geological disaster hidden danger points, and the method comprises the steps: converting a pixel-level identification result into hierarchical data which retains a spatial topological structure through constructing a confidence quad-tree; establishing a weighted decision grid based on aerial survey parameters to realize coupling modeling of observation conditions and confidence uncertainty, calculating topology difference to generate a spatial difference field to quantify the deviation degree of a confidence field and a standard grading decision surface, and finally executing self-adaptive grading judgment to output a risk grade result with a confidence label; according to the method, the problem of confidence field and decision boundary space topology mismatch caused by truncation of confidence continuous measurement information in a grading stage in a traditional serial architecture is solved, systematic underestimation of misjudgment risks in observation condition limited areas such as alpine and gorge areas is avoided, and consistency of actual credibility of a risk quantification result and a nominal grade is realized.
Owner:YUNNAN QUANCEJINGDA TECH CO LTD

Breathing machine intelligent off-line evaluation system based on multiple parameters

The invention relates to the technical field of breathing machine off-line evaluation, in particular to a breathing machine intelligent off-line evaluation system based on multiple parameters, which is characterized in that a data acquisition unit acquires breathing and physiological parameters of a patient in real time; the data analysis unit extracts a respiratory rate instantaneous value and a blood oxygen saturation continuous measurement value through preprocessing, inputs the respiratory rate instantaneous value and the blood oxygen saturation continuous measurement value into an intelligent analysis model composed of a deep residual network and a time convolution network, fuses a physiological hysteresis compensation coefficient to generate an offline index, and outputs a preliminary offline risk index; the data processing unit is embedded into a clinical rule base through a decision tree algorithm, generates a risk correction factor through a taboo check factor, allocates differentiation weights according to severity levels, corrects initial risk deviation and generates a comprehensive offline risk index, and the clinical rule base is continuously optimized through online learning, so that the offline risk assessment accuracy is improved; and a reliable basis is provided for clinical decision-making.
Owner:THE FIRST AFFILIATED HOSPITAL OF ANHUI MEDICAL UNIV +1

Self-stabilized ocean optical radiation profile continuous measurement device

The utility model relates to a self-stabilization type ocean optical radiation profile continuous measuring device, and belongs to the technical field of buoys. According to the device, the overwater optical sensor is kept vertical through the vertical self-stabilization objective table on the water surface floating ball by means of gravity, and the attitude stability of the sea surface optical sensor is easily improved with low layout and low maintenance cost, so that the data measurement quality of the sea surface optical sensor is improved, and an environmental reference is provided for underwater optical data; the free rotation characteristic of the roller module is utilized to reduce the disturbance effect of ocean current, improve the attitude stability of the underwater measurement module and realize accurate measurement of underwater optical profile data; and the influence of shadow on the underwater optical sensor is eliminated by using the telescopic and symmetrically arranged supporting rods. Finally, the problem that the attitude of the measurement device is unstable is solved with easy arrangement and low maintenance cost, the measurement quality of underwater optical radiation profile data is improved, and continuous measurement of underwater data is realized by using a bidirectional control module in the underwater measurement module.
Owner:HAINAN FUTAN REMOTE SENSING TECH CO LTD

Device and method for continuously measuring three-dimensional in-situ crustal stress of deep stratum

The invention discloses a deep stratum three-dimensional in-situ crustal stress continuous measurement device and method, and belongs to the technical field of crustal stress measurement. The device comprises a shell, wherein a plurality of cameras, a plurality of water jet heads, an image acquisition module, a water jet supply module and a data transmission module are connected in the shell; the cameras are arranged in the circumferential direction and used for shooting images of the periphery of the shell, the water jet cutter heads are arranged on the shell corresponding to the cameras, the cameras are electrically connected with the image acquisition module, the image acquisition module is electrically connected with the data transmission module, and the water jet cutter heads communicate with the water jet cutter supply module. The device can be used for continuously monitoring the ground stress, can be used under complex geological conditions, is simple and convenient to operate and high in efficiency, and greatly reduces the test cost and time investment.
Owner:CHINA UNIV OF MINING & TECH

Temperature measurement device, temperature measurement method, and program

PCT designated stageWO2025258574A1Thermometers using physical/chemical changesContinuous measurementOptical coefficient
A temperature measurement device (1) comprises: a light emission unit (10) that generates coherent, continuous measurement-light; a light detection unit (30) that detects reflected light or transmitted light of the continuous measurement-light which is projected onto a sample (50) to be measured; and an analysis unit (42) that calculates a temperature distribution of the sample (50) to be measured on the basis of the intensity of the reflected light or the transmitted light detected by the light detection unit (30). The analysis unit (42) calculates the optical thickness of the sample (50) to be measured from a temporal change in the intensity of the reflected light or the transmitted light and, by using a refractive index distribution model representing the relationship between the optical thickness and a refractive index distribution in the thickness direction of the sample (50) to be measured at the time of a temperature change, calculates the refractive index distribution from the optical thickness, and calculates the temperature distribution of the sample (50) to be measured by converting the refractive index distribution into the temperature distribution on the basis of the thermo-optical coefficient of the sample (50) to be measured.
Owner:HIROSHIMA UNIVERSITY

Method performed by access network node, method performed by core network node, access network node and core network node

An aspect of this disclosure includes a method performed by a mobile device,. The method includes receiving, from an access network node, information for configuring continuous measurements across a plurality of a Radio Resource Control (RRC) states of the mobile device, performing the continuous measurements in one or more of the plurality of the RRC states, based on the information for configuring the continuous measurements across the plurality of the RRC states of the mobile device; and,transmitting, to the access network node, respective measurement reports corresponding to the one or more of the plurality of the RRC states, the respective measurement reports including information for tracing a process of the continuous measurements across the plurality of the RRC states.
Owner:NEC CORP

Continuous detection type ore pulp concentration detection device

The invention relates to the technical field of ore pulp concentration detection, in particular to a continuous detection type ore pulp concentration detection device which comprises a detection shell, a knocking block arranged at the bottom of the detection shell, a vibration sensor arranged in the detection shell, a processing unit arranged in the detection shell, and supporting legs fixedly installed on the left side and the right side of the detection shell. A metal strap is installed on one side of each supporting leg, a buckle is arranged on each supporting leg, a plurality of clamping grooves are evenly formed in each metal strap, an electric guide rail is installed on each supporting leg, a chuck is installed on a sliding block of each electric guide rail, and a pressure sensor is installed at the bottom of each supporting leg. The pressure sensors and the electric guide rails are arranged on the supporting legs, so that an intelligent sensor system is formed, the electric guide rails automatically tension the metal strap when the metal strap is loosened, the situation that the detection shell and the pipeline cannot be stably connected due to loosening of the metal strap is avoided, and the detection precision and the use stability of equipment are effectively guaranteed.
Owner:NANJING PRECISION INT CORP

Automatic monitoring device and method for radial growth of tree trunk

The application discloses a kind of automatic monitoring device and method of tree trunk radial growth, it is related to measurement technical field, device includes: electric rotating platform, laser ranging sensor, data processing equipment and support platform;Electric rotating platform drives laser ranging sensor to rotate a week, and laser ranging sensor determines the distance of all sheltering objects to sensor in real time;Data processing equipment receives the real-time ranging data sent by laser ranging sensor;After measuring a circle, the ranging data of current ranging data set is clustered, and a plurality of ranging data clusters are obtained;Right-angle coordinate modeling and circle fitting are carried out on each ranging data cluster, to determine the position and diameter of each tree trunk;Through the diameter of tree trunk obtained by continuous measurement at different times, the radial growth rate of tree trunk is calculated. By implementing the present application, the growth rate of multiple tree trunks can be measured automatically in a non-contact form, solving the problem of contact measurement affecting tree growth and only single measurement in the prior art.
Owner:BEIJING NORMAL UNIV AT ZHUHAI

Ship water gauge measuring method, ship water gauge measuring system and medium

The invention relates to a ship water gauge measurement method, a ship water gauge measurement system and a medium, and the method comprises the steps: collecting a video of a ship entering a port water area, and carrying out the target ship recognition detection of the ship video, so as to obtain a target ship cutting image frame sequence entering a preset region; performing water gauge area positioning detection on each frame of image in the target ship cutting image frame sequence to obtain a water gauge area image of the corresponding frame, and performing multi-target element synchronous detection on each water gauge area image to obtain a multi-target element detection result of the corresponding water gauge area image; and performing fusion processing on the multi-target element detection result of each water gauge area image to obtain a ship water gauge measurement result of the corresponding target ship, and finally processing all the obtained ship water gauge measurement results to obtain a current ship water gauge measurement result of the target ship. In this way, automatic and continuous measurement of the water gauge of the ship driving into the port water area is achieved, and the ship water gauge measurement precision and accuracy are improved.
Owner:NINGBO INT LOGISTICS DEV

Well logging method for completeness evaluation of carbon dioxide sequestration shaft

The invention provides a carbon dioxide sequestration shaft integrity evaluation well logging method, which comprises the following steps of: after a well diameter and a well section are calibrated, descending a well logging instrument into a target layer section in a well, and then lifting the well logging instrument to a well mouth at a preset speed so as to carry out corrosion and scaling detection on a whole shaft; the method comprises the following steps of: repeatedly detecting the damage degree of a casing pipe of a well section at a key well section; carrying out a PLT test in a state of injecting carbon dioxide; continuously measuring a well temperature-flow curve of the whole well section, finding a leakage point position, testing a noise curve at the leakage point position, confirming the depth of the leakage point, tripping in an oxygen activation instrument, and carrying out an oxygen activation flow test at the leakage point position. The flow direction of carbon dioxide outside a leakage point is determined, flow data are obtained through point measurement near the leakage point, and a well section with leakage outside the casing is determined according to the flow data of the point measurement result and the flow direction of carbon dioxide, so that the integrity of oil and the casing is comprehensively evaluated, and the accurate position and the accurate leakage amount of the leakage point of the oil casing are given.
Owner:CHINA NAT PETROLEUM CORP +1

Device positioning in non-terrestrial networks

Aspects of the present disclosure relate to methods, apparatuses, and systems for supporting device positioning in NTN. For example, embodiments enable determining and reporting a device (e.g., a UE) location in an NTN embodiment. For example, embodiments described in the present disclosure enable adaptation of different types of time-based positioning measurements such that location and / or positioning performance is not degraded for NTN scenarios, including single satellite scenarios. In addition, the adapted measurements may include gNB Rx-Tx time differences, DL RSTD, UL RTOA measurements, and the like. Embodiments also provide techniques for configuring measurement and reporting of time-based positioning measurements for a single satellite context such that continuous measurements can be reported with a minimum time slot for an NTN context, and a dedicated NTN measurement slot can be configured for positioning measurements performed outside of an active DL BWP.
Owner:LENOVO (SINGAPORE) PTE LTD

Visual measurement positioning system and method based on environment structured information

The invention belongs to the technical field of large-size industrial measurement positioning, and particularly relates to a visual measurement positioning system and method based on environment structured information. The system comprises an intelligent sensing hardware layer, an environment structured feature library and a core processing and control unit. Through an intelligent perception hardware layer, agreement positioning of laser coarse positioning-visual fine positioning is realized, and in combination with natural feature points and auxiliary calibration objects included in an environment structured feature library, image processing, deep learning identification, feature extraction matching and multi-view geometric calculation are carried out. Obtaining a three-dimensional coordinate of a target feature point of the to-be-detected target in the global coordinate system; and dynamic calibration and intelligent scheduling of the camera are carried out through the intelligent scheduling and calibration module, so that continuous measurement of the to-be-measured target is realized. According to the invention, the environment structured information of the measurement field is converted from background to available perception assets, and high-precision, high-efficiency and high-robustness visual measurement positioning in a large-scale dynamic industrial scene is realized.
Owner:TSINGHUA UNIVERSITY

Road friction coefficient continuous measurement method, device, computer equipment and product

The application discloses a kind of road friction coefficient continuous measurement method, device, computer equipment and product, it is related to road engineering detection technical field.The application discloses a kind of road friction coefficient continuous measurement method, device, computer equipment and product, it is related to road engineering detection technical field.The application discloses a kind of road friction coefficient continuous measurement method, device, computer equipment and product, it is related to road engineering detection technical field.The application discloses a kind of road friction coefficient continuous measurement method, device, computer equipment and product, it is related to road engineering detection technical field.The application discloses a kind of road friction coefficient continuous measurement method, device, computer equipment and product, it is related to road engineering detection technical field.The application discloses a kind of road friction coefficient continuous measurement method, device, computer equipment and product, it is related to road engineering detection technical field.The application discloses a kind of road friction coefficient continuous measurement method, device, computer equipment and product, it is related to road engineering detection technical field.The application discloses a kind of road friction coefficient continuous measurement method, device, computer equipment and product, it is related to road engineering detection technical field.The application discloses a kind of road friction coefficient continuous measurement method, device, computer equipment and product, it is related to road engineering detection technical field.The application discloses a kind of road friction coefficient continuous measurement method, device, computer equipment and product, it is related to road engineering detection technical field.The application discloses a kind of road friction coefficient continuous measurement method, device, computer equipment and product, it is related to road engineering detection technical field.The application discloses a kind of road friction coefficient continuous measurement method
Owner:QINGDAO PROD QUALITY INSPECTION INST (QINGDAO PROD QUALITY & SAFETY RISK MONITORING CENT)

Wellbore cleaning monitoring method and device based on walking type continuous measurement mode

The invention discloses a borehole cleaning monitoring method and device based on a walking type continuous measurement mode, and the method comprises the steps: putting a first batch of microchip capsules when drilling is not carried out, and circularly collecting the pressure data of a completely-cleaned well section along with drilling fluid as a reference; after drilling operation is started, a second batch of microchip capsules are put, and actually-measured pressure data of the rock debris-containing well section are collected; calibrating the hydraulic model based on the reference pressure data, calculating a theoretical pressure gradient, and calculating an actually measured pressure gradient; and based on the difference between the theoretical pressure gradient and the actually measured pressure gradient, the rock debris volume concentration distribution in the shaft is obtained through inversion of a pressure-driven model. According to the invention, an expensive intelligent drill rod is replaced by the microchip capsule which is low in cost and can be flexibly put, so that the defects that the cost is high, the deployment is limited and continuous dynamic monitoring of a whole well section cannot be realized in the prior art are overcome, and continuous, dynamic and accurate monitoring of the cleaning condition of a well hole is realized.
Owner:YANGTZE UNIVERSITY

Laser measurement system for size of rubber sealing element

The invention discloses a laser measurement system for the size of a rubber sealing element, and relates to the technical field of laser measurement, and the system comprises a signal collection module S11 which is used for obtaining distance measurement signal data collected by a laser distance measurement device in a continuous measurement process on the surface of the rubber sealing element, the ranging signal data comprises a scanning angle, laser emission time, laser echo receiving time and laser echo intensity; the stable screening module S12 is used for extracting signal segments with continuous angles and emission time intervals lower than a preset interval value according to scanning angles and laser emission time in the ranging signal data, and marking the signal segments as stable scanning segments; according to the method, through synchronous acquisition of distance measurement signal data, stable screening of credible signal fragments and high-precision fitting of radial dimension data, accurate reconstruction of the target contour dimension of the rubber sealing element and improvement of dimension consistency judgment capability are realized.
Owner:SHENZHEN CHENGJIACHUANG TECHNOLOGY CO LTD

Vehicle passing signal extraction method and device, electronic equipment and medium

The invention discloses a vehicle passing signal extraction method and device, electronic equipment and a medium, and the method comprises the steps: obtaining the monitoring data of a plurality of continuous measurement points in space, including a vehicle passing signal and an environment noise signal; segmenting the monitoring data of all the measuring points by adopting a fixed time window, wherein each piece of sub-monitoring data obtained after segmentation at least comprises one train passing event; converting the sub-monitoring data into a heat map form, taking each heat map as a sample, and constructing a data set; the heat map comprises at least one highlight area corresponding to the train passing event; training the constructed vehicle passing signal extraction model based on the data set to obtain a trained vehicle passing signal extraction model; the input of the vehicle passing signal extraction model is a heat map, the output is a probability matrix, and each data point in the probability matrix represents the probability that the data point is a vehicle passing signal. According to the invention, the vehicle passing signal can be accurately extracted from the sensor monitoring data with time difference and environmental noise.
Owner:CHINA RAILWAY SIYUAN SURVEY & DESIGN GRP CO LTD

Movable multi-point dimension stone paving height measuring device

The utility model discloses a movable multi-point dimension stone paving elevation measuring device, which relates to the field of road construction measurement, and is characterized in that a gradienter is arranged on a first cross rod to calibrate the levelness and the transverse gradient of a measuring trolley frame, and a range finder is arranged on a second cross rod parallel to the first cross rod to detect the distance between the second cross rod and the bottom of a support leg; the length direction of the left supporting leg and the length direction of the right supporting leg are perpendicular to the length direction of the first transverse rod, so that the distance between the left supporting leg and the ground can be rapidly measured, and the paving elevation of a plurality of rubbles on the same plane of a rubble pavement can be rapidly, simply and continuously measured and displayed; elevation data of block stone paving are measured and fed back in real time to guide workers to adjust the block stones to the designed height, and the elevation adjustment efficiency and measurement precision of the construction paving block stones are improved.
Owner:HANGZHOU ROAD & BRIDGE GRP

Integrated mobile VS30 measuring device, design method and measuring method

The invention discloses an integrated mobile VS30 measuring device, a design method and a measuring method, and belongs to the field of geological prospecting. The integrated mobile VS30 measuring device comprises a mobile seismic source vehicle and a mobile measuring array which is in traction connection with the mobile seismic source vehicle through a land towing cable; the mobile measurement array is composed of a plurality of node seismographs which are uniformly arranged on a land towing cable and are slidably coupled with the ground, and the node seismographs are communicated with a master control terminal carried on the mobile seismic source vehicle. By adopting the integrated mobile VS30 measuring device, the design method and the measuring method, rapid and continuous measurement can be realized through mobile seismic source vehicle-towing cable-node type earthquake, and meanwhile, the measurement precision and reliability are ensured by utilizing the joint inversion of GLM-XGBoost (improving the nonlinear fitting precision), so that the engineering requirements of urban site classification, evaluation and the like are comprehensively met.
Owner:CHINA UNIV OF GEOSCIENCES (BEIJING)

Subcutaneous sample sensor applicator and continuous measurement system

To provide an all-inclusive single-use continuous analyte measurement system.SOLUTION: An automatic insertion module includes: an applicator housing; a deployment button; and a preloaded insertion assembly that is fully disposed and secured within the button and partially disposed within the applicator housing when the button is in an initial mounted position in the applicator housing. A sensor module includes: a sensor lower housing releasably connected to the applicator housing; a sensor upper housing removably retained in an insertion assembly housing and spaced apart from the sensor lower housing, and an electrical sensor assembly disposed in the sensor upper housing. When an applicator system is in an initial, preloaded position, the sensor is temporarily disposed within a needle of a needle assembly.SELECTED DRAWING: Figure 1
Owner:SANVITA MEDICAL CORP

Measurement task scheduling method of quality robot system

The invention discloses a measurement task scheduling method for a quality robot system, and the method comprises the steps: carrying out the modeling of the measurement time of a detection delegation order of a to-be-planned batch, and obtaining a time model consumed by a measurement task; constructing an objective function based on the expected complete inspection time, the measurement time model and the certificate time model, and constructing a 0-1 integer programming model of the measurement task by taking the tray number of the weight tray rack and the maximum measurement time as constraint conditions and the complete inspection remaining time as weak constraints; and inputting a batch detection delegation list to be planned into the integer programming model to obtain a scheduling result. Measurement tasks are optimized under the constraint conditions of the number of weight trays, the maximum total measurement time and the like, the measurement capacity of a mass robot system is fully utilized, cooperation of automatic measurement time and on-off time of detection personnel is achieved, the automatic measurement system continues to carry out continuous measurement work at night, and the work efficiency is improved. And the utilization rate of the quality robot system can be effectively improved.
Owner:NATIONAL INSTITUTE OF METROLOGY CHINA