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45results about How to "Realize synchronous acquisition" patented technology

Ultrasonic welding quality online detection system and method

The invention discloses an ultrasonic welding quality online detection system and method, and belongs to the technical field of laser non-contact measurement. According to the invention, the laser vibration measurement probe is rigidly coupled to the welding head to construct a follow-up-common-optical-path measurement unit, so that synchronous acquisition of vibration signals with zero mass loading is realized; further extracting an attenuation section after welding is finished from the signal, and inverting an equivalent modal damping ratio representing an interface energy dissipation state based on an exponential attenuation model; meanwhile, multi-dimensional physical indexes such as an energy transfer efficiency index Itrans and an input stability index Iin are calculated, and in combination with an energy absorption state index, collaborative fusion is carried out through a weighted fusion formula to obtain a comprehensive quality score; and finally, realizing quality attenuation early warning based on time sequence trend analysis of a scoring sequence. On-line sensing of the deep dynamic state in the welding process is achieved, the early defect recognition sensitivity and the system anti-interference capacity are remarkably improved, and the predictive maintenance capacity of quality degradation is achieved.
Owner:ANHUI ZHIBO PHOTOELECTRIC TECHNOLOGY CO LTD

Intelligent food material recognition, weighing and child nutrition assessment system

PendingCN122223710ARealize synchronous acquisitionImprove evaluation efficiencyBiological modelsNutrition control
The present application relates to the technical field of children nutrition assessment, and provides a kind of intelligent food material identification weighing and children nutrition assessment system, comprising: weighing module, for accurately weighing food material weight;Image recognition module, integrated multispectral camera and edge computing unit, through convolutional neural network model, multi-level feature extraction is carried out to food material image, and food material category and subdivision category are identified;Database module, built-in latest version Chinese food composition table, stores the nutrient component data of each kind of food material per 100 grams;Calculation module, according to the weight data output by weighing module and the food material category identified by image recognition module. Through the linkage of image recognition and weighing module, the synchronous acquisition of food material category and weight is realized, non-professional personnel can operate independently, the evaluation efficiency is improved by more than 70%, long-term data accumulation and trend analysis are supported, help parents to master children's nutrition status comprehensively, avoid phase nutrition imbalance.
Owner:罗宇阳

An optimization method for integrated circuit design data

This invention belongs to the field of integrated circuit design technology, specifically relating to a method for optimizing integrated circuit design data. This method first constructs a "tool-layer-semantic" data acquisition architecture, integrating multi-channel parallel acquisition units to collect heterogeneous data from multiple sources. Compliance pre-verification is performed through hardware logic circuits and a verification rule base, extracting key data identifiers. A three-level incremental compression strategy based on key data priority, combined with an intelligent index integrating multi-dimensional indexes, is used for compression and storage. The stored data undergoes multi-dimensional optimization, including semantic deduplication, priority optimization, format conversion, and source quality backtracking, forming a unified format optimized semantic. Through an interactive interface, it is adapted and interacted with electronic design automation tools. After consistency verification and performance testing feedback loops, the final design data and full-process traceability information are obtained and stored. This invention achieves unified management, efficient compression, intelligent optimization, and full-process traceability of design data.
Owner:CHONGQING QIANFU TECHNOLOGY CO LTD

Metabolic equivalent driven endurance training intensity gradient generation system and method

ActiveCN121354803BRealize synchronous acquisitionreflect metabolic statusPhysical therapies and activitiesMedical communicationMillimetre waveSport training
The application discloses a metabolic equivalent driven endurance training intensity gradient generation system and method thereof, and belongs to the technical field of intelligent sports training. The system comprises a non-contact physiological signal acquisition module, a multi-dimensional metabolic state modeling module, a floating threshold generation module, a multi-channel feedback regulation module and an edge abnormality filtering module. Respiratory and heart rate and other multi-dimensional physiological parameters are collected through the fusion of a millimeter wave radar and a PPG sensor. A three-dimensional metabolic state dynamic evaluation model is constructed based on a GRU network, and real-time MET values are output. Intensity adjustment threshold values are adaptively generated according to MET deviation. The exercise intensity is cooperatively regulated through the tactile feedback of intelligent running shoes and the slope adjustment of a treadmill. Abnormal data are filtered at the edge by using a LOF algorithm. The application solves the problems of single physiological signal dimension, static metabolic state evaluation and abnormal data interference in the prior art, and realizes the precise real-time regulation of endurance training intensity.
Owner:PLA AIR FORCE AVIATION UNIVERSITY

Cold region operation tunnel lining frost heaving influence test device and method

The invention relates to the technical field of tunnel engineering, in particular to a cold region operation tunnel lining frost heaving influence test device and method.The device comprises a walk-in test box used for providing a uniform and controllable low-temperature environment, and a model box is arranged in the walk-in test box; a surrounding rock similar material, a tunnel lining model and a ponding simulation mechanism for simulating a ponding structure are arranged in the model box, the tunnel lining model and the ponding simulation mechanism are surrounded by the surrounding rock similar material, stress loading mechanisms are arranged on the top and the side wall of the model box, and a detection mechanism for detecting stress deformation displacement of the tunnel lining model is further included. According to the test device and the test method adopting the test device, the whole model is uniformly and controllably cooled through the step-in test box, a real temperature field where the tunnel in the cold region is located is accurately simulated, and the problems of uneven temperature and frost heaving simulation distortion caused by local refrigeration in the prior art are solved.
Owner:INNER MONGOLIA HENGXIN HIGHWAY DEVELOPMENT CO LTD +2

A heat-insulating fire extinguishing device, a battery assembly and an electric appliance

ActiveCN224585228UHighly integratedRealize synchronous acquisition
This utility model discloses a heat-insulating fire extinguishing device, including: a heat-insulating pad, a temperature sensor, a pressure sensor, and a fire extinguishing disc. The temperature sensor, pressure sensor, and fire extinguishing disc are disposed within the heat-insulating pad, which effectively improves the integration of the device. During installation, the heat-insulating pad is placed between two adjacent battery cells, thus significantly improving installation convenience. During use, if the temperature monitored by the temperature sensor exceeds a preset temperature value, or if the expansion pressure monitored by the pressure sensor exceeds a preset pressure value, thermal runaway of the battery cell will occur. The fire extinguishing disc releases extinguishing agent to extinguish the fire in the event of thermal runaway. Furthermore, by combining the temperature sensor and pressure sensor, synchronous acquisition of the battery cell temperature field and expansion pressure can be achieved, further improving safety compared to traditional single-parameter monitoring methods.
Owner:杭州安影科技有限公司

A vibration fiber based intrusion detection system and method

This application provides an intrusion detection system and method based on vibrating optical fiber. The intrusion detection system includes: an optical module that splits a laser signal into a probe signal and a reference signal, inputs the probe signal into the vibrating optical fiber, and outputs a first voltage signal; a differential amplifier circuit that converts the second voltage signal into a differential signal; a filtering circuit that performs a low-pass filter on the differential signal to obtain a filtered signal; an analog-to-digital converter circuit that performs analog-to-digital conversion on the filtered signal to obtain a digital signal; a clock circuit that outputs a reference clock signal to multiple analog-to-digital converter circuits so that the multiple analog-to-digital converter circuits synchronously acquire the filtered signal based on the reference clock signal; and a data processing circuit that acquires multiple digital signals output by the multiple analog-to-digital converter circuits and determines the vibration data corresponding to the vibrating optical fiber based on the multiple digital signals. Through the technical solution of this application, the accuracy of vibrating optical fiber intrusion detection is improved, the false alarm rate is reduced, and high spatial resolution vibrating optical fiber is achieved.
Owner:HANGZHOU KUANGXIN TECH CO LTD

Product detection method and system based on TDI camera, and medium

PendingCN121860962AInitial signal strength equalizationAvoid weight biasImage enhancementImage analysisComputer visionArtificial intelligence
The invention discloses a TDI camera-based product detection method and system, and a medium. The method comprises the following steps: installing a line light source; the light intensity of the line light source is controlled to be in periodical light and shade stroboflash according to stripe distribution, so that stripe images meeting the phase shift method under the RGB three channels are obtained; analyzing stripe images under three channels of RGB, and calculating and obtaining original height data of all pixel positions under each channel of RGB based on phase deflection; traversing the original height data of all pixel positions so as to obtain final height data of the current pixel position through weighted averaging according to RGB channel weights corresponding to the current pixel position; according to the method, the TDI true color camera is used for collecting the three-channel fringe images, channel crosstalk and response inconsistent errors are restrained through a self-adaptive weighted average mechanism, high-speed measurement is guaranteed, meanwhile, the reconstruction precision and robustness of phase deflection are remarkably improved, and false data introduced by interpolation are avoided.
Owner:HEFEI I TEK OPTOELECTRONICS CO LTD

Device for testing interception performance of hollow fiber nanofiltration membrane

ActiveCN224180654UImplement interception performance testingRealize synchronous acquisitionSemi-permeable membranesFiberWater production
The utility model provides a device for testing the interception performance of a hollow fiber nanofiltration membrane. The device comprises a produced water sampling flow path, a concentrated water sampling flow path, a centrifugal pump, a first water tank and a second water tank, the first water tank and the second water tank are connected with the water inlet end of the centrifugal pump. The centrifugal pump is connected with the water inlet end of the membrane component; the water inlet end of the produced water sampling flow path is used for being connected with an interception side outlet of a membrane assembly, the water inlet end of the concentrated water sampling flow path is used for being connected with a permeation outlet of the membrane assembly, the water outlet ends of the produced water sampling flow path and the concentrated water sampling flow path are connected together and then connected with a first water tank, and the produced water sampling flow path and the concentrated water sampling flow path are each provided with a branch. The branch is provided with an online monitoring unit, and the online monitoring unit is used for synchronously collecting multiple parameters. The system has the advantages of being capable of covering multi-parameter dynamic testing, automatic operation and high-precision monitoring.
Owner:CHENGDU MEMBRANE BIOTECHNOLOGY CO LTD

Multi-modal imaging system integrating optical coherence tomography and multi-photon microscopic imaging

PendingCN121754121ARealize synchronous acquisitionMicroscopesSensorsMicro imagingFluorescence
The invention provides a multi-mode imaging system fusing optical coherence tomography (OCT) and multi-photon microscopic imaging, which is characterized in that optical system design is carried out on the basis of a laser light source and a laser control module of an OCT shared multi-photon microscope, and various imaging modes such as OCT angiography, Doppler OCT, multi-photon fluorescence imaging, second harmonic and third harmonic are fused. Synchronous acquisition of multi-mode and multi-dimensional optical information is achieved, and the application range is wider.
Owner:SHENZHEN INST OF ADVANCED TECH CHINESE ACAD OF SCI

Self-powered geological disaster monitoring device

PendingCN121999580AImprove light energy conversion efficiencyRealize synchronous acquisitionPhotovoltaic supportsBatteries circuit arrangementsSolar lightElectrical battery
The invention provides a self-powered geological disaster monitoring device which comprises a cabinet, the side wall of the cabinet is rotatably connected with a solar panel, and a light sensor is arranged in the solar panel; a solar light following module, a battery module and a disaster monitoring module are arranged in the cabinet, and the battery module is used for storing photovoltaic converted electric energy and supplying power to each module; the solar light following module comprises a control board card and a driving mechanism, the control board card is electrically connected with the light sensor and the driving mechanism, and the driving mechanism is used for adjusting the orientation of the solar panel; the control board card is configured to control the driving mechanism to move according to the incident angle of sunlight when the illumination intensity is greater than a preset threshold value; when the illumination intensity is smaller than a preset threshold value, the theoretical incident angle of sunlight is calculated through an astronomical algorithm, and the driving mechanism is controlled to move according to the theoretical incident angle. According to the invention, long-term stable self-power supply of the device in a field environment without a power grid is realized.
Owner:SHENZHEN TIANJING YUHONG TECHNOLOGY CO LTD

Sampling device for synchronously monitoring greenhouse gases of different water layers of reservoir

InactiveCN121954566ARealize synchronous acquisitionReal and credible vertical distribution profileWithdrawing sample devicesGreenhouseControl cell
The invention discloses a sampling device for synchronously monitoring greenhouse gases of different water layers of a reservoir, and relates to the technical field of water samplers, the sampling device comprises a connecting frame and a plurality of sampling units arranged on the connecting frame at intervals, each sampling unit comprises a bottle body with two open ends, and the two open ends of each bottle body are hinged to sealing covers; and the circumferential side of each sampling unit is provided with an opening and closing assembly for controlling the opening and closing of the sealing cover. Through arrangement of the opening and closing assembly, the retracting and releasing device, the clamping assembly and the like, all the sampling units are connected in series through one connecting rope, and an electromagnetic adsorption and release mechanism coordinated by the control unit is matched, so that the multiple sampling units can sequentially and accurately stay in different preset water layers in the one-time descending process; and the sealing covers in all the sampling units are uniformly controlled by the first strong electromagnet and can be synchronously powered off and closed after all the units are in place, so that synchronous collection of water samples at different depths is realized.
Owner:NANYANG NORMAL UNIV

An evolution updating method and system of an industrial vertical large model

ActiveCN122222060BRealize synchronous acquisitionavoid loss
The application relates to an evolution updating method and system of an industrial vertical large model, and relates to the technical field of industrial large model evolution updating, and comprises the following steps: collecting tool cutting vibration signals collected by a micro-electro-mechanical system vibration sensor and spindle current and feed shaft torque data collected by a programmable logic controller, and packaging the data into an incremental sample set; using a prediction error mean and an uncertainty distribution standard deviation to construct an adaptive performance attenuation coefficient, combining a tool processing stage mutation mark to generate a model evolution start instruction; generating a parameter importance weight vector through momentum accumulation of a Fisher information matrix; combining knowledge distillation loss and tool life cycle comparative learning loss to perform joint fine-tuning, so as to obtain an evolved industrial vertical large model; and after verification, realizing atomic switching of a reasoning pointer through double-buffering and request dyeing marking, and completing zero-stop online replacement. The application fundamentally solves the technical contradiction between continuous evolution of an industrial field model and production continuity guarantee.
Owner:CHENGDU ZHONGQIAN AUTOMATION ENG

Method for locating missing root cause of api interface data based on dual-link observability

ActiveCN121658278BRealize synchronous acquisitionfast convergenceFault responseInference methodsData operationsEngineering
The application discloses a double-link observable-based API interface data loss root cause positioning method, relates to the technical field of data operation and maintenance, and comprises the following steps: acquiring API requests from an API request query link and query request information of the API requests, wherein the query request information comprises first data identifiers and first time identifiers of to-be-queried data; acquiring data generation state information from a data generation link of a data production supply end, wherein the data generation state information comprises second data identifiers and second time identifiers corresponding to data generation tasks; establishing an association relationship between the API requests and the data generation tasks based on the first data identifiers, the first time identifiers, the second data identifiers and the second time identifiers; and if a response result of a target API request is data loss, determining a data loss root cause based on the association relationship, the target API request and a target data generation task. The application improves the positioning efficiency and accuracy of data loss faults.
Owner:深圳市名通科技股份有限公司

A multi-working-condition simulation ablation test platform and method for switch contacts

ActiveCN122283421Bincrease credibilitySolve the problem of insufficient simulation accuracy
The present application belongs to the technical field of power equipment fault diagnosis, and particularly relates to a switch contact multi-working condition simulation ablation test platform and a test method. The test platform comprises a multi-load switching unit, a gradient current generation module, a synchronous acquisition module, an environment control module and a central control unit. The central control unit is built-in with a wide-range environment adaptive algorithm, the environmental error is compensated through a temperature and humidity correction formula, and a weight factor is introduced for different load types to correct the arc energy, thereby improving the contact ablation simulation precision under wide-range environmental stress and load transformation. The synchronous acquisition module is combined with the environment control module to realize the synchronous acquisition of four-dimensional characteristic data of "dynamic resistance, ablation morphology, arc energy and environmental parameters", so that the ablation process is changed from qualitative observation to quantitative measurement, and solid microscopic data support is provided for in-depth exploration of the ablation mechanism and establishment of an accurate physical model.
Owner:STATE GRID JIANGSU ELECTRIC POWER CO LTD RESEARCH INSTITUTE +1

Investigation unmanned vehicle target identification method based on computer vision

The invention discloses a detection unmanned vehicle target identification method based on computer vision, and relates to the technical field of artificial intelligence. During operation of the system, multi-source heterogeneous vision sensors such as wide-angle visible light, narrow field of view, high resolution and infrared thermal imaging are cooperatively deployed; a lightweight adaptive feature extraction network is introduced, a network structure can flexibly adjust the calculation scale according to the texture complexity of an input image through channel pruning and a dynamic sparse activation mechanism, and the calculation load is effectively reduced while the feature expression capability is ensured; fusing time sequence information through a bidirectional gating circulation unit to generate a target candidate area with motion prior; carrying out weighted fusion on the multi-modal features in the candidate region, and then classifying the multi-modal features; and an online domain adaptive correction mechanism is introduced, and network parameters are finely adjusted in an unsupervised manner according to environmental changes. In addition, occlusion recovery, resource awareness scheduling and offline-online collaborative learning strategies are integrated.
Owner:ZHENGTU (JINAN) INTELLIGENT EQUIPMENT CO LTD

Test system and method for researching blasting rock breaking mechanism in vacuum environment

The invention relates to the technical field of rock mass blasting mechanical property tests, in particular to a test system and method for studying a blasting rock breaking mechanism in a vacuum environment, and the test system comprises a vacuum blasting cavity, a vacuum generation assembly, a sensor group and a sample bearing device; wherein; the vacuum blasting cavity is of a sealed pressure-bearing structure and is used for providing a vacuum blasting test space; the vacuum generation assembly is connected with the vacuum blasting cavity and used for establishing and maintaining a preset vacuum environment in the vacuum blasting cavity; the sample bearing device is arranged in the vacuum blasting cavity and is used for positioning and fixing a sample to be tested; the sensor group is arranged in the vacuum blasting cavity or the sample to be tested and is used for monitoring the pressure in the blasting test process in real time; wherein the vacuum blasting cavity is further provided with an observation window, and the observation window directly faces the to-be-tested sample and is used for an external high-speed camera to collect images in the blasting test process from the observation window in real time.
Owner:POWERCHINA ZHONGNAN ENG

Pressure displacement detection mechanism

The utility model discloses a pressure displacement detection mechanism, comprising a pedestal tool fixed with a cutter to be detected; the detection modules are arranged on the two sides of the extending direction of a piston rod of the cutter correspondingly, and the detection module on each side comprises a mechanical sensor which annularly sleeves the periphery of the piston rod and is used for collecting the ejection force of the piston rod after point explosion; the displacement sensor and the axis of the piston rod are coaxially arranged, and the displacement sensor is used for detecting the real-time displacement of the piston rod in a non-contact mode; the flexible adjusting mechanism comprises a limiting air cylinder and a limiting sliding rail; wherein the output end of the limiting air cylinder is fixedly connected with the detection module and used for pushing the detection module to move in the axial direction of the piston rod, and the limiting sliding rail is parallel to the axis of the piston rod and used for slidably installing the detection module on the limiting sliding rail through a sliding block. According to the technical scheme of the utility model, high-precision and multi-parameter synchronous detection of the performance of the cutter and flexible adaptation of test working conditions are realized.
Owner:GUANGZHOU CORE TECH CO LTD

Experimental device for rotating steering tool combined bearing-rotor system fault signal collection

PendingCN122430052ASolve the problem of being unable to obtain actual fault signals undergroundquick change
The application discloses an experimental device for collecting fault signals of a combined bearing-rotor system of a rotary steering tool, which comprises a base horizontally fixed in a test site, a driving system installed on the top of the base, a main shaft fixedly connected to the output end of the driving system, a rotary steering tool simulation system comprising an eccentric adjusting mechanism and a combined bearing, and a signal collecting system comprising an acceleration collecting module and a data collecting module, wherein the acceleration collecting module is installed on the combined bearing, and the acceleration collecting module is in signal connection with the data collecting module. The application can simulate the fault state of the combined bearing-rotor system of the rotary steering tool under different working conditions on the ground, effectively collect fault signals, and provide a reliable experimental platform for the fault mechanism research and diagnosis algorithm development of the rotary steering tool.
Owner:YANGTZE UNIVERSITY

A method for identifying a fault section of a railway AT power supply catenary based on a special flow interaction

ActiveCN122109733Baccurate collectionAdapt current distribution characteristicsContact networkData set
This invention relates to the field of fault detection and location technology for railway power supply systems. Specifically, it discloses a method for identifying fault sections in railway AT power supply contact networks based on special-type interconnects. This method solves the problem that existing railway AT power supply traction networks may make mistakes in determining fault sections by relying solely on electrical quantities when a fault occurs near the AT substation. The method involves installing a wireless communication sensor with a built-in special-type interconnect near the AT substation's connection point towards the section substation. After the data is collected and processed by a centralized data receiving device, the data is uploaded to a communication server. The server uses the GOOSE communication protocol to communicate with the fault location device at the AT substation via Ethernet. The sensor's activation signal and the collected electrical parameters are uploaded to the traction substation's fault location device through the fault location channel between the traction substation and the AT substation. Combined with AC sampling data from each substation, the method achieves accurate identification of the fault section, accurately guiding maintenance personnel to reach the fault location as quickly as possible for repair, troubleshooting, and restoration of normal power supply.
Owner:NANJING SAC RAIL TRAFFIC ENG CO LTD

A dual-camera multi-band information acquisition multi-field synchronous detection method and system

ActiveCN118379363BRealize synchronous detectionunderstanding stateImage analysisComputer graphics (images)Radiology
This invention discloses a method and system for synchronous detection of multiple fields using dual-camera multi-band information acquisition, relating to the field of online detection technology. It achieves synchronous detection of multiple physical fields in a single acquisition process. The method includes a calibration phase and a measurement phase; the system includes: a first and second camera receiving optimization module, a camera parameter calculation module, and a multi-physics field reconstruction module. In the calibration phase, the dual-camera receiving optimization module is positioned on both sides of a calibration plate and aligned with it, acquiring information from the detection bands of the calibration plate to form first and second sets of multi-band calibration images. The camera parameter calculation module calculates the dual-camera parameters in the experiment based on the first and second sets of multi-band image data. In the measurement phase, the dual-camera receiving optimization module is positioned on both sides of the test piece and aligned with it, acquiring information from the detection bands of the test piece to form first and second sets of multi-band measured images. The multi-physics field reconstruction module calculates each physical field based on the dual-camera parameters and the first and second sets of multi-band measured images.
Owner:BEIJING INST OF TECH

A seed cotton foreign fiber cleaning machine and an image processing method thereof

PendingCN122089642ARealize synchronous acquisitionEnhance grayscale contrastImage analysisBiological modelsFiberImaging processing
This invention belongs to the field of image processing technology and discloses a cotton foreign fiber cleaning machine and its image processing method. By building a multimodal collaborative acquisition system of visible light, ultraviolet light and 3D depth, and combining an environment and acquisition parameter linkage triggering mechanism, it solves the problems of fixed acquisition parameters and susceptibility to environmental interference in traditional technologies. The distributed arrangement of color line scan cameras and 3D depth cameras, combined with the adaptive adjustment of white light and ultraviolet non-heating LED light sources, realizes the synchronous acquisition of spatial and planar features of foreign fiber space on the surface and inside of cotton. An iterative cross-attention guided CNN and Transformer fusion network is constructed, which takes into account both local detail capture and global context association modeling capabilities. The design of a reparameterized heterogeneous multi-scale convolution module expands the receptive field without increasing inference cost, and can fully extract local information such as foreign fiber edge contours and texture details.
Owner:SHANDONG CHINA COTTON MASCH CO LTD

Accurate coagulant adding system based on multi-source perception and AI-digital twinborn fusion

The invention relates to a coagulant accurate adding system based on multi-source perception and AI-digital twinborn fusion, and relates to the technical field of intelligent control, and the coagulant accurate adding system comprises a microfluidic water quality detection module used for carrying out multi-parameter synchronous detection on raw water and outputting multiple paths of water quality voltage signals; the pulse signal generation module is used for converting the multiple paths of water quality voltage signals into multiple paths of pulse width modulation pulse signals; the pulse neural network decision module comprises an input layer, a coagulation response mapping layer, a flocculation effect prediction layer and a dosing amount output layer; the piezoelectric micro-jet execution module comprises a piezoelectric micro-jet array and a piezoelectric driving circuit; the feedback regulation module comprises an on-line turbidity sensor arranged at the water outlet end of the coagulating basin and is used for realizing closed-loop dynamic optimization of the adding amount of the coagulant; according to the invention, the adaptability of the coagulation process to the water quality fluctuation of raw water is effectively improved, the medicament consumption and the sludge yield are reduced, and the stability of the effluent quality is guaranteed.
Owner:KUNSHAN WATER SUPPLY GRP CO LTD

Crane sling deflection detection method based on artificial intelligence

PendingCN122149447AReally reflects the actual deflection stateRealize synchronous acquisitionAngle measurementNavigation by speed/acceleration measurementsMultiple sensorData acquisition
The present application relates to the technical field of crane sling deflection detection. The present application relates to a crane sling deflection detection method based on artificial intelligence. It includes the following steps: S1, build a multi-modal perception array, synchronously collect multi-source perception data, the multi-modal perception array contains an industrial camera, an IMU inertial measurement unit, a cart trolley displacement encoder and a wind speed sensor, which respectively obtain real-time image data of the sling, inertial attitude data of the sling, crane walking motion data and on-site wind field environment data; The present application builds a multi-modal perception array composed of an industrial camera, an IMU inertial measurement unit, a displacement encoder and a wind speed sensor, realizes the synchronous collection of multi-source data of the sling image, inertial attitude, crane motion state and on-site wind field environment, breaks through the limitation of single sensor detection in the prior art, and multiple sensors play their respective roles and complement each other's shortcomings, laying a foundation for subsequent high-precision detection from the data collection level.
Owner:TIANJIN SPECIAL EQUIP INSPECTION INST

A fugacity-based device and method for sampling new pollutants in the earth's surface-atmosphere

ActiveCN117907042Bsufficient residence timeThe experimental data is accurateWithdrawing sample devicesPreparing sample for investigationAtmospheric sciencesEarth surface
The application provides a new pollutant sampling device and method based on fugacity theory in the earth surface-atmosphere, and belongs to the technical field of environmental monitoring test equipment. The device comprises a near-surface collection device, an atmospheric collection device, a power device, and two conveying and collecting devices. One end of one conveying and collecting device is connected with the near-surface collection device to obtain a sample in the earth surface-atmosphere when the new pollutant reaches equilibrium according to the fugacity theory, and the other end is connected with the power device. One end of the other conveying and collecting device is connected with the atmospheric collection device to obtain a new pollutant sample in the atmosphere according to the fugacity theory, and the other end is connected with the power device. The device provides a double stable low-flow active collection power to ensure that the collected gas is under the earth surface sampling cover plate during the sampling process, has sufficient residence time, reaches equilibrium, makes the measured experimental data more accurate, and can directly collect the new pollutant sample when the new pollutant reaches equilibrium between the earth surface and the atmosphere to determine the content of the new pollutant.
Owner:CHINA UNIV OF GEOSCIENCES (WUHAN)

A cohesive zone model parameter inversion method for crack initiation in the structure of a bump-joining back-end-of-line process

PendingCN122287175ARealize synchronous acquisitionHigh precisionClassical mechanicsMechanical engineering
This application relates to the field of advanced packaging structure interface parameter identification technology, and discloses a method for inverting cohesive force model parameters in the case of cracking of the back-end process layer structure of a bump connection. Multiple bump-back-end process layer interconnection structure samples with the same structure are divided into multiple groups. Push force experiments are conducted on samples of each group at different pusher heights to obtain the maximum shear force data when interface cracking occurs for each sample. The cracked components and crack locations of each sample after interface cracking are identified, and each sample is divided into multiple cracking modes based on the cracked components and crack locations. Based on the maximum shear force data, the cohesive force model parameters of each sample under each cracking mode are determined using a finite element simulation inversion method. The final cohesive force model parameters for each cracking mode are determined based on the cohesive force model parameters of multiple samples under each cracking mode. This method achieves accurate and efficient acquisition of cohesive force model parameters for advanced packaging bump-back-end process layer interconnection structures under multiple cracking modes.
Owner:INST OF MICROELECTRONICS CHINESE ACAD OF SCI LTD

Video recording method and device and electronic equipment

PendingCN121792864AImprove visual effectsRealize synchronous acquisition
The invention discloses a video recording method and device and electronic equipment, and belongs to the technical field of mobile photography, and the method comprises the steps: generating an exposure strategy of a kth frame period based on scene illumination information obtained in a (k-1) th frame period; wherein the exposure strategy comprises at least two different exposure times, the sum of all the exposure times in the exposure strategy does not exceed a frame period corresponding to a video recording frame rate, and k is an integer greater than 1; controlling an image sensor to respectively carry out image acquisition according to each exposure time in the exposure strategy of the kth frame period in the kth frame period to obtain at least two different exposure images corresponding to the kth frame period; and generating a video file based on the exposure images obtained in all the frame periods.
Owner:VIVO MOBILE COMM (SHENZHEN) CO LTD

New energy automobile thermal management intelligent control system and method

The invention provides an intelligent control system and method for heat management of a new energy automobile, and relates to the technical field of adaptive control. The method comprises the following steps of: acquiring a heat management monitoring point, extracting temperature dissipation characteristics and heat comfort indexes on different heat management monitoring points, performing reverse discrimination on a waste heat circulation ratio in a heat follow-up process to obtain a heat stability estimated value corresponding to each heat management monitoring point, and inputting all heat stability estimated values into a cooling capacity adaptive model during performance index comparison to obtain a heat exchange strategy; a regulation and control confidence interval during heat balance updating is determined, and then the thermal disturbance period of thermal management in the current working condition is determined according to the regulation and control confidence interval; and control decision parameters of the heat transfer loop are adaptively corrected according to the heat exchange strategy and the thermal disturbance period, and heat flow division control is carried out. According to the method, the whole-process strategy of the thermal management process can be accurately sensed under the multi-working-condition dynamic change of the new energy vehicle, so that the thermal stability control precision under the variable working condition is improved.
Owner:GUIZHOU INST OF TECH

Intelligent pressure bra and control method thereof

The invention relates to an intelligent pressure bra and a control method thereof. Comprising a bra main body, a pressure sensing module, a posture sensing module, a pressure adjusting module and a central control module, the pressure sensing module, the posture sensing module and the pressure adjusting module are fixedly connected to the bra main body; the pressure sensing module is used for collecting original chest pressure signals of a patient; the posture sensing module is used for collecting an original posture signal of a patient; the pressure adjusting module and the pressure sensing module are correspondingly arranged; the central control module is connected with the pressure sensing module, the posture sensing module and the pressure adjusting module and used for processing data, communicating with remote terminal equipment and controlling the pressure adjusting module. Compared with the prior art, the method has the advantages that real-time closed-loop adjustment is realized; the compression strategy is dynamically optimized in combination with the posture of the patient, and the safety and accuracy of postoperative rehabilitation are improved.
Owner:SHANGHAI NINTH PEOPLES HOSPITAL SHANGHAI JIAO TONG UNIV SCHOOL OF MEDICINE

Intelligent insulator aging detection method and system based on hyperspectrum of unmanned aerial vehicle

InactiveCN121998898ARealize synchronous acquisitionImplementation timeImage enhancementImage analysisTimestampPoint cloud
The invention discloses an insulator aging intelligent detection method and system based on the hyperspectrum of an unmanned aerial vehicle. The method comprises the following steps: completing synchronous calibration of radiation, spectrum, camera internal reference and time; flying according to a preset route, synchronously collecting data, and unifying timestamp marking; performing radiation correction on the hyperspectral data, and performing distortion correction on the visible light image; establishing a one-to-one correspondence relationship of the data through timestamp matching; based on the visible light image feature points, an insulator string sparse three-dimensional point cloud is constructed, and coarse registration of hyperspectral data and the three-dimensional point cloud is achieved; iteratively optimizing by taking the insulator feature point as a reference, correcting topographic deviation according to a digital elevation model, and ensuring that a registration error meets a threshold pixel; segmenting and extracting a single insulator, establishing a local coordinate system, performing geometric correction according to an actual space attitude, and eliminating inclination deflection distortion; and extracting the spectral characteristics and three-dimensional coordinates of the corrected insulator, judging the aging grade, and outputting a detection report containing accurate positioning.
Owner:ZHECHENG COUNTY POWER SUPPLY CO OF STATE GRID HENAN ELECTRIC POWER CO