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90 results about "Adaptive sensing" patented technology

Adaptive sensing-based lightweight monitoring method for fine crack in complex background region

The present invention relates to an adaptive sensing-based lightweight monitoring method for a fine crack in a complex background region. The method comprises the following steps: step S1, on the basis of region division, performing automatic acquisition of crack information, wherein PTZ camera sensors are used to automatically perform block-wise acquisition on crack regions; step S2, performing an adaptive complex scale calibration process, using a multi-scale template matching algorithm to adaptively correct distortion information of all regions, and performing real-scale conversion from pixel precision; step S3, constructing a lightweight crack segmentation network to process data processed in step S2; and step S4, by means of a quantitative crack-tracking algorithm based on Euclidean distance similarity classification, performing real-time monitoring on each piece of crack dynamic information. Compared with the prior art, the present invention has advantages such as achieving efficient, accurate, and online monitoring and analysis of cracks.
Owner:SOUTHEAST UNIV

Target tracking method and system based on AI vision

The invention belongs to the technical field of image recognition, and provides a target tracking method and system based on AI vision, and the method comprises the following steps: collecting original video frames; environment adaptive image enhancement; performing multi-target detection and multi-modal feature extraction; estimating local optical flow motion; performing multi-target trajectory association; carrying out shielding processing and re-identification; outputting a track and analyzing a result; according to the method, a physical-deep learning cascade defogging model is set, light / dense fog processing paths are dynamically switched through a dark channel mean value, atmospheric scattering physical prior and U-Net residual error correction are fused, an environment self-adaptive sensing architecture is provided, the failure bottleneck of a traditional single model under sudden change fog concentration is broken through, and the real-time performance of the system is improved. According to the method, an apparent-motion-geometry ternary coupling trajectory cognition system is constructed, a dynamic cost matrix and a feature cache pool are designed, the ID switching problem caused by similar target aggregation and long-time shielding is solved, and the accuracy of target tracking in the shielding environment is improved.
Owner:BEIJING SIMPLE NETWORK SECURITY TECH CO LTD

Photoelectric tracking algorithm and system for self-adaptive target tracking

The invention relates to the technical field of target tracking, in particular to a photoelectric tracking algorithm and system for self-adaptive target tracking, and the system comprises an image collection module, a cross-spectrum self-adaptive sensing module, an image processing and target recognition module, a self-adaptive tracking algorithm module and a servo control module, and constructs a closed-loop feedback link to achieve the synchronous optimization of parameters in a whole link. The algorithm comprises the steps of image acquisition and adjustment, target detection, parameter optimization, servo driving and feedback. The system can accurately estimate a high-speed turning target, is adaptive to complex environments such as low illumination / haze and the like, completes sheltered target recapture within 0.5 s, has servo compensation precision of + / -0.1 degree, is suitable for airport bird monitoring, port unmanned aerial vehicle tracking and highway vehicle monitoring scenes, and significantly improves tracking stability and practical value.
Owner:SHANDONG EAGLE INFORMATION ENG CO LTD

Intelligent safety monitoring method and system for coal mining

The invention discloses an intelligent safety monitoring method and system for coal mine excavation, and belongs to the technical field of coal mine safety, and the method specifically comprises the steps: deploying a plurality of adaptive sensing nodes in an excavation area, each node comprising an environment state collection unit and an equipment vibration collection unit, and collecting environment data and mechanical vibration waveforms respectively; then, according to the position of the mining machine and the tunnel structure change, node physical connection is adjusted to form a dynamic topology network, and when mechanical movement exceeds a threshold value, adjacent nodes are subjected to high-density monitoring; then, synchronously generating a coupling data stream according to the collected data timestamps, inputting the coupling data stream into a pre-constructed model, and predicting the overlap ratio of mechanical vibration abnormity and a target gas accumulation area space; when the overlap ratio exceeds a critical value, an emergency response is triggered, the speed is reduced firstly, inert gas is released, and power is cut off if set duration is continued; and finally, reversely correcting surrounding rock stress parameters in the model according to emergency data. According to the invention, the accuracy and response timeliness of early warning of coal mine disasters are improved.
Owner:SHANDONG SANHEKOU MINE CO LTD

Geomembrane defect detection system under soil and stone medium coverage condition and method thereof

The invention relates to the technical field of engineering, in particular to a geomembrane defect detection system and method under the earth and stone medium coverage condition, and the geomembrane defect detection system comprises a multi-mode adaptive sensing module, an edge calculation module, a data fusion module, a digital twinning module and a decision and application module; compared with the defects that single resistivity or geological radar detection is adopted in the prior art, interference of medium conductivity and metal impurities is likely to happen, and the deep resolution is insufficient, the scheme adopts multi-mode sensor network cooperative work, and a dynamic density layout and time-phased acquisition strategy is combined; through multi-mode complementation of an electrode array, an ultra-wideband radar, a distributed optical fiber and an MEMS vibration sensor, a dominant sensing mode is automatically switched in a conductive clay area, temperature gradient interference is avoided through night acquisition, the penetration depth is increased to 15 meters through multi-band radar fusion, and metal interference is inhibited; the detection precision and the anti-interference capability in a complex medium environment are remarkably improved, and the problems of high false alarm rate and high omission ratio of a traditional method are effectively solved.
Owner:CHINA INST OF WATER RESOURCES & HYDROPOWER RES +2

Self-sensing monitoring method, system and equipment based on lightning arrester

The invention discloses a self-sensing monitoring method, system and equipment based on a lightning arrester, and relates to the technical field of power equipment monitoring. The self-sensing monitoring method, system and equipment based on the lightning arrester comprises the following steps: S1, collecting lightning stroke data in real time through multi-sensing fusion, and performing data cleaning and standardization processing on the lightning stroke data; s2, adopting a three-mode sensing and three-source power supply cooperation mechanism to realize state-driven adaptive sensing and energy path switching; s3, automatically scheduling a communication path according to a communication type and link quality, dynamically analyzing and compensating transmitting power, and completing authentication encryption and multi-hop secure transmission; s4, lightning stroke characteristics are extracted, an equipment life prediction model is constructed, residual life prediction is realized, and equipment health grade division and operation strategy adjustment are carried out according to the residual life prediction model; and S5, calculating an electric leakage deviation value by reconstructing a current waveform, triggering graded early warning and linking a communication power and energy supply strategy. The problem that the operation of a power system is affected due to large leakage current monitoring errors is solved.
Owner:HANGZHOU WEN ONLINE INTELLIGENT TECHNOLOGY CO LTD

Intelligent control method for complex terrain infrastructure line construction site environment risk

The invention discloses an intelligent control method for complex terrain infrastructure line construction site environment risks, and belongs to the field of signal control and processing, and the method comprises the steps: obtaining multi-source environment data through a self-adaptive sensing network; when the data is abnormal or a blind area exists, triggering the unmanned aerial vehicle to obtain high-precision spatial data; fusing the multi-source data and combining the multi-source data with geological information to generate digital risk feature information; inputting the risk feature information into a dynamic risk assessment model to obtain a risk level signal; comparing the risk level signal with a risk threshold in real time, generating a dynamic avoidance control instruction based on a comparison result, and issuing the dynamic avoidance control instruction to the construction equipment in real time; and dynamically adjusting model control parameters by taking a control response result of the construction equipment as feedback data. According to the invention, through a closed loop feedback mechanism, intelligent control of environmental risks is realized, and construction safety and management efficiency are significantly improved.
Owner:BEIJING HUALIAN POWER ENG SUPERVISION CO +2

DRL-based AUV path planning and obstacle avoidance method in partially observable environment

The invention relates to a DRL-based AUV (Autonomous Underwater Vehicle) path planning and obstacle avoidance method in a partially observable environment, which comprises the following steps of: firstly, executing an AUV path planning and obstacle avoidance task under the condition that marine environment information is partially observable; secondly, constructing an underwater environment model and an AUV kinetic model, and constructing a dynamic and static separated dual-channel adaptive sensing model through local environment information acquired by detection equipment; then, path planning is modeled as a Markov decision process, and a multi-objective optimization reward function is designed for collaborative optimization; finally, an improved maximum entropy SAC algorithm is combined with a priority experience playback mechanism to train a strategy network, a gliding mode is dynamically triggered through a physical constraint layer, attitude angle and thrust output is corrected in real time, and the safety boundary condition is monitored in real time. According to the method, the real-time performance of path planning, the dynamic and static obstacle avoidance success rate and the ocean current utilization rate under the complex sea condition can be remarkably improved, and a high-robustness autonomous navigation solution is provided for ocean exploration.
Owner:HOHAI UNIV

Dynamic data analysis processing method and device for self-adaptive and active adaptive sensing signals

The invention discloses a method and a device for analyzing and processing dynamic data of self-adaptive and active adaptive sensing signals. According to the method, through feature recognition, protocol dynamic matching and data standardization conversion, the problem that multi-source heterogeneous sensor signals cannot be processed in a centralized mode due to format difference is solved. The device comprises a signal interface module, a feature recognition module, a protocol adaptation module and the like, and supports multi-protocol communication and machine learning driven rule generation. The compatibility and the processing efficiency of the data acquisition system are remarkably improved, and the system is suitable for the fields of industrial automation and the Internet of Things.
Owner:HANGZHOU LIHUA SCI & TECH

Traffic condition monitoring system assisted by low-altitude inspection unmanned aerial vehicle

PendingCN120199071ANetwork traffic/resource managementDetection of traffic movementNonnegative tensor factorizationSimulation
The invention relates to the field of unmanned aerial vehicles, and discloses a traffic condition monitoring system assisted by a low-altitude inspection unmanned aerial vehicle, which adopts intelligent task scheduling based on non-negative tensor decomposition, path optimization of deep reinforcement learning, a task-path double-closed-loop cooperation mechanism and a multi-modal sensor adaptive sensing technology. The system can adjust the inspection task of the unmanned aerial vehicle in real time, improve the response speed of sudden traffic events, optimize the inspection coverage rate, and enhance the perception ability in a low-light environment. Compared with a traditional inspection mode, the task scheduling precision, the path planning flexibility and the system stability are improved, it is ensured that the unmanned aerial vehicle operates efficiently in the complex dynamic traffic environment, and accurate and reliable technical support is provided for intelligent traffic management.
Owner:TUOHENG TECH CO LTD

Self-adaptive sensing anti-shake regulation and control method and system for spine surgery auxiliary mechanical arm

The invention discloses a self-adaptive sensing anti-shake regulation and control method and system for a spinal surgery auxiliary mechanical arm, and relates to the technical field of spinal surgery, and the method comprises the steps: collecting multi-dimensional data of a mechanical arm tail end actuator through a multi-dimensional sensor group, and transmitting the multi-dimensional data to an AeroStead space-level stability calculation platform; the platform carries out filtering processing on the data, and vibration of the mechanical arm and disturbance components caused by external interference are separated; constructing a spine mechanical arm rigid-flexible coupling dynamic disturbance observation and compensation model by using the disturbance component to observe disturbance and generate a compensation amount; calling a spinal operation area three-dimensional reconstruction and dynamic obstacle avoidance mixed density network model, and fusing different images to generate an operation area three-dimensional dynamic model and an obstacle avoidance adjustment signal; a mechanical arm motion control instruction is generated through a force sense position cooperation self-adaptive control algorithm; and the mechanical arm is driven to move for closed-loop regulation and control. According to the method, through fusion of multiple models and algorithms, the disturbance compensation precision, the operation area modeling accuracy and the control collaboration are improved, and the operation safety is guaranteed.
Owner:WEST CHINA HOSPITAL SICHUAN UNIV

Method for adjusting inertial sensing range and sensitivity

ActiveCN120831132AMeasurement devicesProject completionControl engineering
The invention provides an inertial sensing range and sensitivity adjusting method, which belongs to the technical field of parameter adjustment, and comprises the following steps: after an item opening instruction is obtained, obtaining basic information of a moving body, and calling an adaptive sensing range according to the basic information; different detection nodes are set in the whole process before a project is started, the feedback degree of a moving body is recorded in sequence when execution is carried out to each node, values of corresponding positions of an internal curve are increased or decreased according to the feedback degree, and corresponding sensitivity is dynamically set according to the internal curve. The feedback speed and external performance of the moving body are judged in the project execution process, and the follow-up content and links of the project are adjusted in combination with the action model library till the project is completed or closed. The inertial sensing range and sensitivity adjusting method provided by the invention can carry out specific dynamic adjustment according to the state of the moving body and the actual situation, has strong pertinence and ensures smooth completion of a project.
Owner:MT MICROSYST

Self-adaptive perception control method and system for dual-radar cooperative scheduling

The invention relates to the technical field of intelligent control of engineering machinery, and provides a self-adaptive perception control method and system for dual-radar cooperative scheduling. According to the method, the first rotary radar and the second rotary radar are respectively installed on the rotatable support; obstacle distribution data of a tower crane hoisting operation area are obtained in real time through the first rotating radar and the second rotating radar, and real-time stage information of hoisting operation is obtained in real time through the operation state sensing module. Calculating a sensing dead angle position according to the real-time stage information; dynamically generating a first task instruction and a second task instruction according to the priority level, the sensing dead angle position and the obstacle distribution data of the target monitoring area, and controlling the first rotary radar and the second rotary radar to adjust the rotation angle and the sensing parameter, so that the first rotary radar performs emphasized sensing on the target monitoring area with high priority, and the second rotary radar performs emphasized sensing on the target monitoring area with high priority. And the second rotary radar performs compensation sensing on areas corresponding to the sensing blind area and the sensing dead angle of the first rotary radar.
Owner:GUANGDONG LIGHT SPEED INTELLIGENT EQUIP CO LTD +1

Adaptive sensing strategy switching method and device, electronic equipment and storage medium

The invention relates to the technical field of artificial intelligence, in particular to a self-adaptive sensing strategy switching method and device, electronic equipment and a storage medium, and the method comprises the steps: obtaining multi-dimensional sensing data collected by a plurality of sensing modes on a robot; calculating the reliability score of each sensing mode at the current moment according to the multi-dimensional sensing data and the historical performance of each sensing mode; and determining a role label of each sensing mode according to the reliability score and the current task of the robot, determining a target sensing strategy of the robot under the current task according to the role label, and switching the sensing strategy of the robot into the target sensing strategy. Therefore, the problems that dynamic adjustment cannot be performed according to the current environment and the sensing effect is poor due to the adoption of a fixed mode combination in related technologies are solved.
Owner:CHINA FAW CO LTD

Weak measurement assisted echo wall mode microcavity time-varying signal sensing method and system

The invention provides a weak measurement assisted echo wall mode microcavity time-varying signal sensing method and system. The method comprises the following steps: constructing a weak measurement assisted echo wall mode microcavity adaptive sensing platform for time-varying signal sensing; a time-varying signal is sensed through the echo wall mode microcavity, and a time-varying phase is introduced into the sensing platform; the light intensity of the echo wall mode microcavity sensing platform assisted by weak measurement is received through a photoelectric detector and a balance detector, the size of a current time-varying phase is calculated, and then the size of a current time-varying signal is solved; according to the size of the current time-varying phase, the bias phase, the first reference phase and the second reference phase are adjusted, so that the system works in a working interval of a preset condition; and estimating the time-varying signal in real time until the measurement is finished. On the basis of ensuring high-sensitivity sensing, the sensing interval of the echo wall mode microcavity is further expanded, and self-adaptive real-time measurement of the time-varying signal which is not limited by the sensitivity of the microcavity is realized.
Owner:SHANGHAI JIAOTONG UNIV

Expansion joint dynamic sensing system based on GIL multi-dimensional sensing

The invention discloses an expansion joint dynamic sensing system based on GIL multi-dimensional sensing, and relates to the technical field of expansion joint sensing, the system comprises a data acquisition module, a multi-modal fusion module, a self-adaptive sensing module, a self-adaptive optimization module, a state evaluation module and an application interface module; the data acquisition module is used for acquiring multi-modal data of the expansion joint; the multi-modal fusion module is used for fusing different modal data and outputting integrated features after fusion; the self-adaptive sensing module is used for sensing an environment state and constructing a sensing model; the adaptive optimization module optimizes parameters of the perception model in real time in combination with historical data and real-time input; the state evaluation module is used for evaluating and predicting the state of the expansion joint; and the application interface module provides real-time monitoring, fault diagnosis and prediction maintenance. According to the invention, environment state sensing is carried out, real-time optimization is carried out according to actual conditions, and the capability of judging the state of the expansion joint is improved.
Owner:JIANGSU JIUCHUANG ELECTRICAL S T

System and methods for multidimensional adaptive sensing and implementations thereof

The present disclosure relates to a multidimensional adaptive sensing system and method for event detection with improved accuracy. The system dynamically adjusts, using baseline and compound models, a triggering conditional threshold of each event based on real-time variations in environmental parameters and sensor health. The adaptive system allows for fine-tuning of sensitivity to environmental changes, seasonal variations, and sensor decay, thereby reducing false positives and negatives. Installation flexibility is achieved by selecting and deploying a subset of models tailored to available data at the sensor's location, ensuring optimal operation regardless of specific environmental conditions or sensor configurations. The adaptive sensing system is used in environmental control systems for dynamic routine management, sensor health management, a triage system for complex event analysis, and multifaceted compliance assurance solution. Further, the adaptive sensing system is used for automated configuration, model deployment, and maintenance by leveraging edge computing units and a central control unit.
Owner:OMNICONN IP HOLDING INC

Multi-parameter shallow gas detection method

The invention discloses a multi-parameter shallow gas detection method which comprises the following steps: S1, self-adaptive sensing network layout and multi-parameter synchronous acquisition: monitoring nodes synchronously acquire underground electrical parameters, soil gas composition and concentration, soil mechanics and pore pressure parameters and an environmental noise background value; accessing a hydro-meteorological data stream of the target area in real time; s2, multi-source interference signal identification and data purification: obtaining a purified multi-parameter data sequence reflecting real geological anomalies; s3, water-gas-force coupling dynamic modeling and migration simulation: outputting a shallow gas migration risk thermodynamic diagram; s4, intelligent diagnosis based on transfer learning and causal discovery: performing time sequence analysis on the purified multi-parameter data sequence, and identifying a gas reservoir core area, a dominant migration channel and dominant control factors influencing gas aggregation and migration; and S5, dynamic risk assessment and graded early warning: quantitatively calculating the risk probability.
Owner:WENZHOU ENGINEERING EXPLORATION INSTITUTE CO LTD

Systems and methods for adaptive aware power control

Aspects of the present application provide an adaptive perception method that enables separate power control parameter configuration for uplink (UL) communication transmission or sidelink (SL) communication transmission and perception transmission. When a signal or channel is simultaneously used for communication and perception, two sets of parameters may be configured, a first set of parameters being used for UL or SL communication and a second set of parameters being used for perception. Some aspects of the present disclosure provide a distributed power control method that includes a slow power ramp-up for a perceived transmission signal. The distributed power control method may also include interference avoidance. Aspects of the present application provide a centralized power control method that includes when interference is detected, a centralized network side device (e.g., a base station) sends signaling to adjust UE power to reduce interference between UEs.
Owner:HUAWEI TECH CO LTD

Automatic alarm system of air cushion type belt conveyor

The invention discloses an automatic alarm system of an air cushion type belt conveyor. The automatic alarm system comprises a sensing layer, a control layer and an execution layer. The sensing layer constructs a multi-dimensional sensing network through an air film thickness sensor, an air pressure sensor, a belt state sensor, an air chamber airflow audio analysis module, a motor power fluctuation detection module and a distributed optical fiber sensing module. The control layer adopts an edge-cloud computing collaborative architecture, an edge computing node is responsible for real-time data preprocessing, the fog computing layer runs a digital twin model to complete data fusion and state simulation, and a cloud computing center stores historical data and optimizes an algorithm and is provided with a three-level early warning and adaptive sensing mechanism. The execution layer executes parameter adjustment, sound-light alarm or emergency shutdown according to instructions of the control layer. Comprehensive monitoring, intelligent diagnosis and automatic regulation and control of the operation state of the air cushion type belt conveyor are achieved, and the operation reliability and the maintenance efficiency of equipment are remarkably improved.
Owner:JIANGSU YANCHENG PORT MACHINERY CO LTD

Integrated efficient reaction clarification system based on multi-sensor data fusion

The invention provides an integrated efficient reaction clarification system based on multi-sensor data fusion, and relates to the technical field of clarification systems. The self-adaptive sensing module is used for preprocessing the real-time operation parameters; the deep fusion processing module is used for generating trend pre-judgment data through the prediction model; the self-optimization control module is used for calculating and generating an initial equipment regulation and control instruction and optimizing the initial equipment regulation and control instruction; and the intelligent cooperative processing module is used for secondary optimization of the water quality regulation and control parameters. By means of the regression prediction model, risks are pre-judged in advance, and problem pre-prevention and control are achieved; through parameter adaptation, secondary optimization and accurate instruction transmission according to functional areas, all devices are pushed to operate cooperatively, the operation stability of the devices and the rationality of medicament consumption are effectively improved, manual intervention is greatly reduced, and the intelligence, high efficiency and reliability of industrial wastewater treatment are comprehensively enhanced.
Owner:SHANDONG AIZEL ENVIRONMENTAL PROTECTION TECHNOLOGY CO LTD

TPU film for robot electronic skin and preparation method thereof

The invention discloses a TPU film for robot electronic skin and a preparation method of the TPU film, and relates to the technical field of flexible electronic materials, the film takes TPU introduced with Diels-Alder dynamic reversible bonds as a matrix, a conductive filler is formed by dopamine-modified silver nanowires and MXene, the concentration of the conductive filler is in continuous or quasi-continuous gradient decrease, and the conductive filler is a conductive filler formed by silver nanowires and MXene. An integrated network with self-repairing and environmental stability is formed and is used as an electrode; phase change microcapsules and triboelectric nanofibers are compounded in a low-conductivity contact area to form an intelligent response layer which is self-adaptive in sensing threshold and capable of generating power by friction. Through one-step multi-nozzle electrostatic spinning forming, the problem that self-repairing, signal stability, environmental adaptability and energy independence in electronic skin are difficult to consider at the same time is solved.
Owner:ZHEJIANG AMBRERA NEW MATERIAL MFG CO LTD

System and methods for multidimensional adaptive sensing and implementations thereof

The present disclosure relates to a multidimensional adaptive sensing system and method for event detection with improved accuracy. The system dynamically adjusts, using baseline and compound models, a triggering conditional threshold of each event based on real-time variations in environmental parameters and sensor health. The adaptive system allows for fine-tuning of sensitivity to environmental changes, seasonal variations, and sensor decay, thereby reducing false positives and negatives. Installation flexibility is achieved by selecting and deploying a subset of models tailored to available data at the sensor's location, ensuring optimal operation regardless of specific environmental conditions or sensor configurations. The adaptive sensing system is used in environmental control systems for dynamic routine management, sensor health management, a triage system for complex event analysis, and multifaceted compliance assurance solution. Further, the adaptive sensing system is used for automated configuration, model deployment, and maintenance by leveraging edge computing units and a central control unit.
Owner:OMNICONN IP HOLDING INC

Underground coal mine multi-parameter self-adaptive sensing and anomaly recognition sensor network driven by edge calculation

The invention relates to the technical field of coal mine safety monitoring and intelligent early warning, and discloses an edge computing driven coal mine underground multi-parameter self-adaptive sensing and anomaly recognition sensor network, which comprises a plurality of mining intrinsic safety type intelligent sensor nodes for forming a distributed monitoring network, a multi-parameter acquisition module, a data processing module and a data processing module, various monitoring parameters of the underground coal mine are collected in real time; the edge calculation module is deployed with a lightweight long and short term relation-improved gating cycle unit time sequence prediction model, performs adaptive drift correction on a monitoring parameter background value to dynamically generate a threshold range, and generates an abnormal initial judgment result; the cooperative communication module is used for performing data interaction with adjacent nodes after the abnormal initial judgment result is generated, and generating a space-time cooperative verification result; and the exception decision module is used for generating a multi-parameter fusion judgment result according to the exception initial judgment result and the time-space cooperation verification result and outputting graded early warning. According to the method, the accuracy, the real-time performance and the engineering landing performance of coal mine underground dynamic disaster precursor identification are remarkably improved.
Owner:GUIZHOU INST OF COAL SCI +1

Analysis method for correlation between current diffusion characteristics of grounding electrode and environment

The invention relates to the field of grounding technology and electrical measurement, and discloses a grounding electrode current diffusion characteristic and environment correlation analysis method, which comprises the following steps: acquiring a ground electricity state vector representing soil electrochemical characteristics; constructing and calibrating a state phase space evolution model for describing time-space evolution of the vector; an adaptive dynamic analysis closed loop is executed, a state vector at the next moment and uncertainty are predicted through the model, an adaptive sensing protocol is generated based on the uncertainty to guide new data collection, a prediction result is corrected through new data, and a corrected state vector is obtained; and finally, based on the continuous corrected state vector, analyzing the causal association between the environment and the state, reconstructing three-dimensional complex conductivity distribution, and determining current diffusion characteristics such as grounding impedance through numerical calculation. According to the method, the limitation of static evaluation in the prior art is solved, and the dynamic prediction of the performance of the grounding system and the physical tracing of the abnormal cause are realized.
Owner:STATE GRID HUBEI EXTRA HIGH VOLTAGE CO

Substation contact assembly state monitoring system and method

The invention provides a state monitoring system and method for a contact assembly of a transformer substation, and relates to the technical field of electrical variable measurement. The system comprises a multi-source data acquisition module used for synchronously acquiring multi-dimensional operation parameters of a contact assembly and performing integration based on a timestamp synchronization mechanism; the identification and weight dynamic configuration module is used for monitoring working condition data of the contact assembly in real time and judging the current working condition state of the contact assembly so as to obtain a dynamic weight coefficient of the current working condition state; the multi-parameter fusion evaluation module is used for normalizing the integrated multi-dimensional operation parameters and calculating a contact health state index by adopting a weighted fusion algorithm in combination with the dynamic weight coefficient of the current working condition state; and the state decision and early warning output module is used for judging the health state of the contact assembly according to the contact health state index and carrying out real-time display and early warning. According to the invention, comprehensive, accurate and adaptive sensing of the health state of the contact assembly can be realized.
Owner:NORTHEASTERN UNIV AT QINHUANGDAO

Temperature and humidity control system for cold chain transportation

The invention relates to the technical field of cold chain transportation environment control, and discloses a temperature and humidity control system for cold chain transportation, and the system comprises an environment modeling module which is used for constructing a heat conduction model of a cold chain space based on a random field theory and a finite element method, and outputting a stiffness matrix containing random parameters; the self-adaptive sensing network module is used for receiving the characteristic information of the stiffness matrix, dynamically optimizing sensor distribution positions, collecting multi-node temperature and humidity data and adding space-time labels; and the distributed data processing module is used for receiving the sensing data. According to the invention, through random field theoretical modeling and parameter-state joint estimation, the temperature field prediction precision is significantly improved and the system environment adaptability is enhanced; a distributed sensing network architecture and a heterogeneous calculation acceleration technology are combined, so that the cooperative control with optimal energy efficiency is realized while millisecond-level real-time response is ensured, and the performance bottleneck of a traditional cold chain temperature control system is comprehensively broken through.
Owner:SHANGHAI KANGZHAN LOGISTICS CO LTD

CFB boiler operation safety domain fault early warning method based on multi-source data fusion

The invention relates to the technical field of fault early warning, and discloses a CFB boiler operation safety domain fault early warning method based on multi-source data fusion, and the method comprises the steps: obtaining CFB boiler multi-source monitoring data, and generating a multi-dimensional spatio-temporal data matrix; analyzing the multi-dimensional spatio-temporal data matrix by using multi-resolution wavelet transform to generate a multi-scale feature tensor; analyzing the multi-scale feature tensor based on a tensor network, calculating a cross-scale coupling weight matrix according to a physical constraint equation, and extracting a cross-scale fault association mode vector through tensor contraction operation; performing similarity matching on the cross-scale fault association mode vector and a fault semantic prototype library to generate hierarchical fault situation information including a summary layer, a detail layer and a depth analysis layer; outputting a self-adaptive layered fault situation awareness result; according to the method, intelligent self-adaptive sensing of complex multi-scale fault situations is realized, the integrity of fault information is ensured, and the man-machine interaction efficiency is improved.
Owner:SHENYANG TSINGHUA BOILER

Energy-efficient adaptive 3D sensing

An energy-efficient adaptive 3D sensing system. The adaptive 3D sensing system includes one or more cameras and one or more projectors. The adaptive 3D sensing system captures images of a real-world scene using the one or more cameras and computes depth estimates and depth estimate confidence values for pixels of the images. The adaptive 3D sensing system computes an attention mask based on the one or more depth estimate confidence values and commands the one or more projectors to send a distributed laser beam into one or more areas of the real-world scene based on the attention mask. The adaptive 3D sensing system captures 3D sensing image data of the one or more areas of the real-world scene and generates 3D sensing data for the real-world scene based on the 3D sensing image data.
Owner:SNAP INC

Dynamic self-adaptive communication, sensing and calculation integrated method and system for space-air-ground integrated network

The invention relates to a dynamic self-adaptive communication, sensing and calculation integrated method for an air-space-ground integrated network. The method comprises the following steps: S1, constructing an air-space-ground integrated network model fusing a low earth orbit satellite, an unmanned aerial vehicle and ground users / edge nodes; s2, establishing a cross-layer communication-perception-calculation integrated joint optimization model, and respectively forming two modes of binary unloading and partial unloading according to whether a task can be segmented or not; s3, for a binary unloading mode, realizing distributed solution and generating an unloading decision and a beam / power / bandwidth / computing resource scheme by using a dynamic adaptive prediction alternating direction multiplier (DAP-ADMM); and S4, aiming at a partial unloading mode, adopting a weighted minimum mean square error alternative optimization method, introducing a receiving equalizer, error weight and other auxiliary variables, executing block coordinate descent iteration, and outputting an unloading proportion, power distribution and a beam forming result. According to the DA-ISCC architecture and the optimization algorithm thereof provided by the invention, cross-domain calculation unloading with low time delay, high throughput and low overhead can be realized in a high-dynamic space-air-ground integrated network environment, and the DA-ISCC architecture and the optimization algorithm thereof can be widely applied to emergency communication, low-altitude logistics, ocean monitoring and other scenes.
Owner:HARBIN INST OF TECH