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46 results about "Field energy" patented technology

Laboratory safety state evaluation method and system based on multi-source data fusion

The invention discloses a laboratory safety state evaluation method and system based on multi-source data fusion, and relates to the field of laboratory safety management.The method comprises the steps that multi-source sensing data of a laboratory are collected and aligned to a unified time axis, and a laboratory sensing data matrix is constructed; grey correlation analysis is introduced, the risk correlation degree between data of each sensor and a preset risk mode is calculated, and identification of a potential risk mode is achieved; the reliability weight is dynamically determined according to the historical stability, baseline deviation and calibration period of the sensor so as to suppress data distortion caused by aging and drifting; and comprehensively calculating the risk correlation degree, the reliability weight and the risk severity coefficient to form weighted risk energy, and generating laboratory risk field energy through space-time coupling superposition so as to calculate a corresponding laboratory risk state level. Therefore, the dynamic quantification and grading judgment of the overall safety state of the laboratory are realized, and the risk identification capability of the complex laboratory environment is improved.
Owner:SUZHOU WEIRAN SECURITY TECHNOLOGY CO LTD

Workshop production quality online detection system based on machine vision and AI

The invention discloses a workshop production quality online detection system based on machine vision and AI, and particularly relates to the field of machine vision detection.The workshop production quality online detection system comprises a multi-modal data acquisition and preprocessing module, product physical signals, process parameters and actual quality values are synchronously acquired and subjected to data cleaning, semantic alignment and standardization processing, and then the product physical signals, the process parameters and the actual quality values are obtained; generating a structured data block associated with the product information; a feature extraction and mixed vector generation module extracts physical information features and multi-modal data driving features and fuses the physical information features and the multi-modal data driving features into a mixed vector, and a network is trained to output a comprehensive quality index and a corresponding time sequence; and finally, calculating a quality toughness coefficient and a process fluctuation conduction coefficient through a quality field domain energy coupling decision module, defining compliance, consistency and risk energy fields, coupling to obtain a comprehensive decision value, and outputting four-level quality decisions of high quality, qualification, to-be-checked and rejection according to the value and field domain characteristics to guide production circulation so as to achieve the purpose of improving production efficiency. And the accuracy and efficiency of quality detection are effectively improved.
Owner:JIANGSU JIABO INFORMATION TECH CO LTD

Multi-source information fusion distribution transformer state evaluation method and system

The invention discloses a multi-source information fusion distribution transformer state evaluation method and system, and the method comprises the steps: collecting multi-source data, and obtaining a state quantity data set through preprocessing; constructing an electromagnetic thermal coupling model based on the state quantity data set, and outputting space physical field distribution; constructing a causal chain through displacement gradient mutation detection based on space physics field distribution, and outputting coordinates of a fault intrinsic source point; extracting a state response parameter by positioning a fault point based on the coordinates of the fault intrinsic source point, and obtaining an equipment health index through a critical physical parameter; and obtaining a risk score of the distribution transformer according to the equipment health index, and generating a state assessment report through a multi-dimensional risk assessment algorithm. According to the method, the electromagnetic thermal full-coupling model is constructed, and the constitutive equation is fused by adopting the cross-field energy analysis method, so that the hidden defect detection rate and the service life prediction accuracy of the distribution transformer are improved, the service cycle of key power equipment is prolonged, and the operation and maintenance cost is reduced.
Owner:YUNNAN POWER GRID CO LTD ELECTRIC POWER RES INST

Laser generating device and laser system

According to the laser generating device and the laser system, the image transmission device is introduced, the object image surface of the image transmission device is accurately overlapped with the two cavity reflectors of the resonant cavity, the important beneficial effects are achieved, the effective transmission distance of light waves between the two cavity reflectors is equivalently eliminated optically, and the laser generating device and the laser system have the advantages of being simple in structure and convenient to use. Therefore, the inherent diffraction effect and the mode selection capability of the resonant cavity are thoroughly inhibited; the direct result is that a large number of laser transverse modes with different orders are allowed to simultaneously meet oscillation conditions and start oscillation in a cavity, and light fields of the multiple transverse modes are combined into a large-mode-field output light beam with the spot size equivalent to the aperture of a gain medium after incoherent superposition. Moreover, the near-field energy distribution is converted from the conventional Gaussian distribution to super Gaussian distribution with a flat top and a steep edge.
Owner:LASER FUSION RES CENT CHINA ACAD OF ENG PHYSICS

Satellite energy harvesting system based on spatially charged particle collection

The application relates to a satellite energy acquisition system based on space charged particle collection, belonging to the technical field of spacecraft power supply. The application aims at solving the problem that the discharge phenomenon of the space charged particles deposited on the surface of a satellite can cause physical damage to materials. The application comprises a collection capacitor used for capturing the space charged particles, forming a high-voltage electrostatic field through the accumulated charges of the space charged particles; an energy-taking conversion circuit used for converting the high-voltage electrostatic field energy stored in the collection capacitor into low-voltage electrostatic field energy and transferring the low-voltage electrostatic field energy to an energy storage capacitor; the energy storage capacitor is used for storing the low-voltage electrostatic field energy, setting a target electric field energy according to the working requirement of a rear-end load, and discharging after the target electric field energy is reached; and a switch voltage stabilizing circuit used for adjusting the discharging output voltage of the energy storage capacitor, realizing constant voltage power supply for the rear-end load. The application can reduce the charging and discharging fault risk of the surface of the satellite by collecting the particles radiated to the satellite and controllably transferring and utilizing the particles.
Owner:HARBIN INST OF TECH

Methods, devices, equipment and media for determining the design scheme of vehicle anti-knock resistance

PendingCN122310674AEnergy absorptionField energy
This invention discloses a method, apparatus, equipment, and medium for determining a vehicle's anti-knock design scheme. The scheme includes: acquiring simulated flow field energy data under vehicle underknock conditions; based on the simulated flow field energy data, performing decomposition analysis on the knock impact energy, and determining the quantitative relationship between key influencing factors of vehicle anti-knock and the vehicle's energy absorption capacity based on the analysis results; and pre-allocating the vehicle's energy according to the quantitative relationship to generate a target design scheme for vehicle anti-knock. This achieves beneficial effects such as improving the scientific nature of vehicle anti-knock design and increasing the efficiency of subsystem design.
Owner:FAW JIEFANG AUTOMOTIVE CO

Distributed energy scheduling method, device and equipment for oil and gas well field and storage medium

The invention discloses an oil and gas well field distributed energy scheduling method, device and equipment and a storage medium. The method comprises the following steps: determining predicted electric quantity data corresponding to an energy storage system of each oil and gas well field in a scheduling area at a target moment, and screening a target scheduling well field from the oil and gas well fields based on the predicted electric quantity data; determining standard electric quantity data of the target scheduling well site, and calculating scheduling electric quantity data according to the predicted electric quantity data and the standard electric quantity data; and determining a target scheduling vehicle based on the scheduling electric quantity data, and controlling the target scheduling vehicle to move to the target scheduling well site to realize energy scheduling. According to the scheme, combined calculation of the predicted electric quantity data and the standard electric quantity data is introduced, dynamic recognition of well site energy is achieved, cross-site scheduling is completed based on flexible deployment of the mobile energy storage unit, and therefore the energy utilization efficiency of an oil and gas well site in the grid-connected and off-grid environment is improved, and the stability of overall energy supply of the well site is enhanced.
Owner:BEIJING ZHIPING ENERGY TECHNOLOGY CO LTD

Multi-scale multi-physics energy storage emergency space twin modeling method

PendingCN122456584AEdge computingSimulation
The application relates to the technical field of energy storage safety, and discloses a multi-scale multi-physical-field energy storage emergency space twin modeling method, which comprises the following steps: presetting macro low-dimensional and micro high-dimensional models in an edge computing device, measuring residual computing power, setting a concurrent threshold, calculating space-time gradient characteristics by using a macro model based on annular buffer data to mark a candidate region, calculating a thermodynamic urgency index, sorting the candidate region, and screening out an activated region, calling historical data to drive a micro model to perform super-real-time operation, completing internal state initialization, establishing a heterogeneous model physical boundary bidirectional coupling by using flux impedance matching, outputting a fault evolution prediction result, and generating a fixed-point emergency control instruction. By means of thermodynamic urgency scheduling and boundary coupling technology, the application solves the high-fidelity simulation problem under the condition of limited computing power on the edge side, and improves the prediction accuracy and response speed of the multi-scale multi-physical-field energy storage emergency space twin modeling.
Owner:XINGCHU ENERGY TECHNOLOGY (SHANDONG) CO LTD

Microfluid mixing device based on stepped interdigital structure and use method of microfluid mixing device

The invention relates to the technical field of microfluid mixing, in particular to a microfluid mixing device based on a stepped interdigital structure and a using method of the microfluid mixing device, and mainly solves the technical problem that an existing microfluid mixing device based on an interdigital transducer is poor in mixing effect. The device comprises a piezoelectric substrate, a flexible substrate and a step-shaped interdigital transducer, a microchannel is formed in the lower surface of the flexible substrate, and the step-shaped interdigital transducer comprises a first bus bar, a second bus bar, a first interdigital electrode, a second interdigital electrode, a drainage strip and an electric connection part. The length of the second interdigital electrode of the stepped interdigital transducer is gradually increased along the flowing direction of the fluid, a gradient sound field can be formed, so that the energy utilization rate is improved, meanwhile, the stepped interdigital transducer is directly positioned below the micro-channel, the sound field energy can directly act on the fluid, the energy attenuation rate is relatively low, and the energy utilization rate is relatively high. Therefore, the device can greatly improve the mixing effect, so that the actual mixing requirement can be met.
Owner:ZHONGBEI UNIV

Intelligent control method and system based on multi-modal feature fusion

The invention discloses an intelligent control method and system based on multi-modal feature fusion. The method comprises the following steps: acquiring multi-modal data; performing feature extraction; constructing a modal perceptual potential function, and calculating the perceptual potential of each modal; the perceptual potential is updated based on feedback adjustment of the standard product grade; generating an adjustment energy interference term between modes to obtain total interference modulation field energy; obtaining an energy space mapping result; and mapping an energy space mapping result to each controller variable dimension through integral mapping to obtain a control variable. The invention further discloses a nonferrous metal beneficiation intelligent control system based on multi-modal feature fusion. According to the method, a control system can obtain a sensing structure with more explanatory and dynamic weight adjustment capability, and the method has continuous optimization capability and is suitable for processing common unstable conditions of actual engineering such as ore grade fluctuation, medicament consumption change and water quality fluctuation.
Owner:MENGZI YIZHI MINING CO LTD

Bionic human eye target recognition system and method based on monocular vision and laser radar

The application discloses a binocular vision and laser radar-based bionic human eye target recognition system and method, which comprises the following steps: S1, collecting and registering synchronous monocular images and laser radar point clouds; S2, extracting image contours and point cloud attributes to generate feature maps and attribute sets; S3, jointly encoding to generate size-distance representations; S4, constructing an improved Ginzburg-Landau phase field energy model based on the representations and attribute sets, obtaining potential function parameters and anisotropy tensors; S5, introducing SE(2) sub-Riemann geodesic direction continuity constraints into a phase field gradient term to adjust the strength; S6, aligning and optimizing evolution of adjacent frame phase fields in time by using optical flow; S7, extracting zero isograms to generate contours and output parameters; S8, inputting the parameters and size-distance representations into a three-dimensional structure program generation module for matching and screening; S9, performing consistency checking and sorting to output a recognition result. The application fuses visual and point cloud features, and improves the recognition accuracy and stability in a complex scene.
Owner:BEIJING KEANKE INTELLIGENT TECH CO LTD

Field energy-saving efficient irrigation system and operation method thereof

PendingCN121611192ASewerage structuresWatering devicesWater flowField energy
The invention belongs to the technical field of farmland irrigation, and particularly relates to a field energy-saving efficient irrigation system and an operation method thereof.The irrigation system comprises a water supply unit and an irrigation facility, the irrigation facility is connected with the purified water outlet end of the water supply unit through a water outlet pump, and the water supply unit comprises a water well and a reservoir; the inside of the reservoir is divided into a raw water area and a purified water area by a partition plate assembly, the raw water area is connected with the well by a water supply pump, water in the raw water area overflows into the purified water area along the top of the partition plate assembly, and the purified water area forms a purified water outlet end of the water supply unit and is connected with an irrigation facility by a water outlet pump. The reservoir is divided into the raw water area and the clean water area through the partition plate assembly, clean water enters the clean water area through overflow along the top of the partition plate assembly to be stored for standby application, and therefore a filter does not need to be additionally arranged, water pressure loss caused by filtering is avoided, it is guaranteed that water flows out of the near end and the far end of the irrigation facility evenly, and growth consistency of crops is guaranteed.
Owner:HEBEI RENRENBANG AGRI SERVICE CO LTD

Power quality dnv voltage distortion elimination stabilizer and sampling circuit

The utility model discloses a kind of electric energy quality DNV voltage distortion rate elimination stabilizer and sampling circuit, including load equipment and for the DVA voltage stabilizer on the load equipment, still including with the DVA voltage stabilizer and the load equipment electric connection A circuit, B circuit, C circuit and N circuit.The beneficial effect of the utility model is: through filter current transformer, voltage stabilizer current transformer and DVA voltage stabilizer, realize the process in the use of load equipment, inhibit load equipment dynamic and steady-state voltage drop and voltage variable, eliminate surge, eliminate voltage flicker, with good dynamic voltage stability capacity, output voltage reaches precision ±1% -5% adjustable, can effectively filter each harmonic, three-phase unbalance, improve power factor, improve power supply electric energy quality, and harmonic elimination stabilizer has ideal energy-saving effect, between 1-8% in different field energy-saving effect.
Owner:SHENZHEN LITE POWER QUALITY CO LTD

A system and method for removing small molecule organics based on field energy granulation

This invention relates to the field of water treatment technology, and particularly to a system and method for removing small-molecule organic matter based on field energy granulation and agglomeration. The system includes an initial mixing section and an electrostatic field enhancement section and a post-mixing section connected sequentially to the initial mixing section. Through the effects of initial mixing and electrostatic field enhancement, medium-sized polymers are first formed, which combine with small-molecule organic matter to form complexes, encapsulating the small-molecule polymers. Then, during post-mixing, coagulants are continuously added and adhere to the initial complexes, forming a coral reef-like surface with a higher zeta potential and a larger specific surface area. Each newly formed surface layer combines with pollutants and covers the previous layer, thereby encapsulating more small-molecule organic matter into the flocs and improving the removal rate of small-molecule organic matter. This solves the problem of low removal rates of small-molecule organic matter in existing coagulation processes, which cannot meet the requirements for wastewater recycling.
Owner:XIAN TPRI WATER & ENVIRONMENTAL PROTECTION

Visual detection method and device based on artificial intelligence, equipment and medium

The invention discloses a visual detection method and device based on artificial intelligence, equipment and a medium. The method comprises the following steps: acquiring field energy data in a target scene; constructing a multi-modal physical field based on the field energy data; for the detection target in the target scene, generating an expected behavior spectrum of the detection target at the current moment based on the identity information of the detection target, the current task state and the multi-modal physical field parameters of the position of the detection target; acquiring a real-time behavior original vector of the detection target based on visual perception; substituting the real-time behavior original vector into a current multi-mode physical field to generate a real-time behavior field effect vector; and according to a coupling relationship between the real-time behavior field effect vector and the expected behavior spectrum, calculating and outputting a comprehensive risk entropy value of the detection target. According to the method and the device, two traditionally separated evaluation dimensions of safety and efficiency can be internally associated, so that coupling evaluation is realized, and a more comprehensive and refined evaluation basis is provided for a dynamic complex system.
Owner:TAIYUAN FORTUCKY LOGISTICS EQUIP TECH CO LTD

Single molecule real-time sequencing method based on metamaterial enhancement

PendingCN121499434AMicrobiological testing/measurementMaterial analysis by optical meansEngineeringSingle molecule real time sequencing
The invention relates to the technical field of molecular sequencing, in particular to a single-molecule real-time sequencing method based on metamaterial enhancement, which specifically comprises the following steps: dividing the surface of a substrate into a plurality of local independent sub-arrays to obtain a sub-array basic periodic layer; an equivalent isolation strip is introduced into a sub-array gap region to form an equivalent isolation sub-array; accurately etching sequencing hole sites for the sub-array units, and establishing a local field energy fixed point area in the center of each hole site to obtain local registration holes; constructing a hole-by-hole independent signal output path, and carrying out curing treatment on the formed independent signal hole channel to obtain an enhanced hole channel structure; and establishing a stable mechanism between directional discharge and the cavity, and stably outputting an enhanced signal generated in a single molecule crossing process. The problems that in the prior art, the high field enhancement performance is maintained, meanwhile, mutual interference of resonance energy between holes cannot be effectively restrained, and stability and accuracy of large-scale parallel sequencing cannot be achieved are solved.
Owner:NANJING NANZHI INST OF ADVANCED OPTOELECTRONIC INTEGRATION NANJING

A fish-light complementary unmanned aerial vehicle feeding strategy dynamic optimization method and system

The present application relates to the technical field of unmanned aerial vehicle operation control, and particularly relates to a fish-light complementary unmanned aerial vehicle feeding strategy dynamic optimization method and system, aiming at the composite attribute of the fish-light complementary scene, the scheme couples the photovoltaic power compensation power margin, the disturbance power consumption and the total load of operation, constructs the field energy ratio as a unified quantitative index, realizes the collaborative judgment of multi-dimensional core parameters, can generate hierarchical control instructions based on the interval distribution of the energy ratio, dynamically adjusts the unmanned aerial vehicle flight and feeding operation behavior, fully utilizes the energy redundancy to improve the operation efficiency, can avoid operation risks when the energy is insufficient, adapts to the complex and changeable operation conditions of the fish-light complementary scene, and comprehensively improves the efficiency and operation stability of the feeding operation.
Owner:JIANGSU NONGKEN FISHERY TECHNOLOGY CO LTD

Switchable communication interface

A communication device includes a wireless communication controller, a switch, a near field energy coupler configured for wireless communications and communicatively connectable to the wireless communication controller through the switch. The communication device also includes a far field wireless communication antenna configured for wireless communications and communicatively connectable to the wireless communication controller through the switch. The switch is configured to switch communication with the wireless communication controller between the near field energy coupler and the far field wireless communication antenna.
Owner:MICROSOFT TECHNOLOGY LICENSING LLC

Efficient NMP tank field energy storage device

The utility model relates to the technical field of NMP tank area energy storage, in particular to an efficient NMP tank area energy storage device which comprises a tank body, ventilation fans are installed on the two sides of the bottom wall of the tank body, a liquid storage box is installed in the tank body, bosses are installed on the two sides of the inner wall of the tank body, liquid pumping channels are formed in the positions, below the two bosses, of the interior of the tank body, and the liquid pumping channels are communicated with the liquid storage box. Liquid pumping grooves are formed in the inner side walls of the two liquid pumping channels correspondingly, one-way valves are installed on the two sides of the lower portions of the exteriors of the two liquid storage boxes correspondingly, and the positions of the one-way valves correspond to the positions of the liquid pumping grooves. The device has the advantages that the tank body serves as a device body, the liquid storage box is placed in the tank body, the bosses are installed on the two sides of the interior of the tank body, the liquid pumping channel is formed in the lower portion of the tank body, the liquid pumping groove is formed in the inner side wall of the liquid pumping channel, and the one-way valves are installed on the two sides of the lower portion of the exterior of the liquid storage box. And the position of the one-way valve corresponds to the position of the liquid extraction groove, so that a worker can extract the NMP solution in the liquid storage box from the liquid extraction channel, and the NMP solution is convenient to take and use.
Owner:PUYANG GUANGMING CHEM

Non-contact laser shearing system for neutral borosilicate glass material column

The invention relates to the technical field of glass hot processing equipment, and discloses a neutral borosilicate glass stock column non-contact laser shearing system which comprises a laser module, a light beam scanning module, a sound field regulation module, an internal state tomography module, an integrated cooperative control module and the like. The method comprises the following steps of: firstly, resolving an internal temperature field of a frit column in real time by utilizing an ultrasonic tomography technology; then, the integrated cooperative control module performs closed-loop cooperative regulation and control on laser and sound field energy based on the real-time temperature field, and accurately presets an internal viscous flow state; and finally, the sound field regulation and control module emits focusing sound pressure pulses, and separation is actively completed through a non-contact stress field. Through sound-light cooperation and closed-loop feedback, real-time sensing and accurate control of the internal state of the stock column are achieved, separation is completed through active sound compression molding, the weight consistency, the section flatness and the purity of material drops are remarkably improved, and the defects of mechanical shear marks and thermal stress are completely eradicated.
Owner:DEZHOU JINGHUA YAOYONG GLASS CO LTD

Oil and gas field energy efficiency benchmarking system, method and equipment and storage medium

The embodiment of the invention relates to the field of energy efficiency benchmarking, and discloses an oil and gas field energy efficiency benchmarking system, method and device and a storage medium, and the system comprises an energy efficiency benchmarking system building module which is used for building an energy efficiency benchmarking system; the optimal practice library module is used for configuring association degrees between practice library entries and benchmarking system categories and related parameters to form an optimal practice library; the benchmarking data acquisition module is used for acquiring benchmarking data filled and reported according to a competent department benchmarking activity subject range and a parameter type set by a corresponding energy efficiency benchmarking system; and the benchmarking analysis processing module is used for screening benchmarking objects based on benchmarking data, carrying out data comparison on the benchmarking objects, associating reference data in the optimal practice library, forming result measures and pushing the result measures. The energy efficiency index system disclosed by the invention provides an index system definition mode capable of being flexibly customized, supports introduction without any limited parameter number, and improves the efficiency of the energy efficiency index system. And the application range is wider.
Owner:PETROCHINA CO LTD

Metal surface anti-corrosion and scale-inhibition synergistic protection process

The invention relates to the technical field of physical prevention and removal of common dirt and surface cleaning, and discloses a metal surface corrosion prevention and scale inhibition collaborative protection process, which comprises the following steps of: acquiring a current feedback signal of an electric heating load in a power modulation period in real time, calculating an energy fluctuation value of power spectrum density in the signal, and calculating the power spectrum density of the electric heating load; the frequency compensation amount of the electric energy conversion circuit is determined according to the offset of the fluctuation value relative to the reference, and the electric energy conversion circuit is controlled to output a periodic pulse current with a preset rising edge slope to an electric heating load, so that an unsteady thermal gradient is generated on the surface of the load and a micro-turbulence shear force is excited; the potential hedging circuit is synchronously driven at the power rising section of the pulse current to apply voltage pulses with the same polarity as scale ions, a directive repulsion field is constructed, the load interface state is sensed through electrical parameter inversion, heterogeneous nucleation of solute ions is blocked through the synergistic effect of multi-field energy, and the service life of equipment is effectively prolonged.
Owner:GANSU JINCHANG CHEM IND GRP CO LTD

A fish-light complementary unmanned aerial vehicle feeding strategy dynamic optimization method and system

The present application relates to the technical field of unmanned aerial vehicle operation control, and particularly relates to a fish-light complementary unmanned aerial vehicle feeding strategy dynamic optimization method and system, aiming at the composite attribute of the fish-light complementary scene, the scheme couples the photovoltaic power compensation power margin, the disturbance power consumption and the total load of operation, constructs the field energy ratio as a unified quantitative index, realizes the collaborative judgment of multi-dimensional core parameters, can generate hierarchical control instructions based on the interval distribution of the energy ratio, dynamically adjusts the unmanned aerial vehicle flight and feeding operation behavior, fully utilizes the energy redundancy to improve the operation efficiency, can avoid operation risks when the energy is insufficient, adapts to the complex and changeable operation conditions of the fish-light complementary scene, and comprehensively improves the efficiency and operation stability of the feeding operation.
Owner:JIANGSU NONGKEN FISHERY TECHNOLOGY CO LTD

Signal processing method and system for ultrasonic detection of internal defects of building concrete

The application discloses a building concrete internal defect ultrasonic detection signal processing method and system, belongs to the material nondestructive testing technical field, and the method comprises the following steps: configuring a full matrix capture array to collect multi-channel original time domain data; performing a time domain flip operation on the data and mapping to the full matrix capture array to perform a synchronous retransmission algorithm; extracting sum frequency and difference frequency amplitudes of specific frequency components in the matrix, and constructing a nonlinear amplitude coordinate mapping table; performing statistical analysis on a full-field energy focusing distribution matrix, performing a difference operation with the sum frequency component amplitudes to generate a defect response coordinate set; and feeding back the coordinate set to the full matrix capture array to trigger supplementary scanning and update the matrix. The application adopts dual-frequency nonlinear modulation and time reversal focusing technology, can effectively suppress aggregate scattering noise interference, and improves the three-dimensional imaging precision and detection signal-to-noise ratio of concrete micro defects.
Owner:ZIBO VOCATIONAL & TECHNICAL UNIVERSITY

Ablation needle

The invention belongs to the technical field of medical instruments, and particularly relates to an ablation needle which comprises a handle, a needle rod is fixed to one end of the interior of the handle, a needle head is fixed to one end of the needle rod, the interior of the needle rod is communicated with the interior of the needle head, and a water tank is fixed to the interior of the handle. A water outlet cavity and a water inlet cavity are formed in the water tank, the antenna assembly comprises a coaxial cable and a conical converter, the coaxial cable is arranged in the handle, and one end of the coaxial cable penetrates through the needle rod and extends into the needle head. After the microwave energy is input into the coaxial cable, the microwave energy forms a microwave electromagnetic field on the outer side of the needle head, the electromagnetic field is excited to be superposed in space and the near-field energy distribution is remodeled through the matching of the triangular groove and the supporting plate arranged on the conical converter, the trailing phenomenon of an ablation area is eliminated, and the ablation area is in a sphere-like shape.
Owner:CANYON MEDICAL INC

A multi-channel synchronous signal acquisition system

This invention discloses a multi-channel synchronous signal acquisition system, relating to the field of high-voltage equipment monitoring technology, which solves the problems of asynchronous acquisition of acoustic and temperature monitoring signals and fragmented spatial data in GIS equipment. The system includes a signal acquisition and storage module, a data polling module, a data processing module, and a data fusion module. Each signal acquisition channel alternately samples acoustic and temperature signals, adding timestamps and channel identifiers. The central aggregation node of the data polling module polls and reads data from each channel, combining timestamp-aligned samples into multi-dimensional array snapshots. Beamforming is performed on the acoustic array snapshot to obtain an acoustic field energy distribution map, and spatial interpolation is performed on the temperature array snapshot to obtain a temperature field distribution map. The two maps are spatially aligned and fused to generate a GIS equipment status feature map that simultaneously contains acoustic and temperature information. This achieves strict synchronization of acoustic and temperature multi-physical quantity acquisition and precise spatial fusion characterization.
Owner:STATE GRID SHANXI ELECTRIC POWER CO SHUOZHOU POWER SUPPLY CO

Auxiliary bone axial rotation angle calibration system for discrete columnar biological tissue

The invention discloses a bone axial rotation angle auxiliary calibration system for discrete columnar biological tissues, which comprises an image acquisition environment microscope subsystem, an image acquisition environment microscope subsystem and an image acquisition environment microscope subsystem, the image acquisition environment microscope subsystem is used for acquiring cross polarization images of the near-end stump and the far-end disjunction body incision edge of the discrete columnar biological tissue; and the image processing subsystem is used for realizing auxiliary calibration of the axial rotation angle of the skeleton based on the cross polarization image. The invention provides a method for reversely deducing and calibrating a bone rotation angle by analyzing flow field continuity of skin ridges on two sides of a discrete columnar biological tissue incision by utilizing a computer vision technology. Even if the discrete columnar biological tissue is separated from the main body, as long as the broken end is rotated to the original physiological angle, the tangential vectors of the ridge lines on the two sides of the incision should be in smooth transition in topology. According to the method, the optimal alignment angle is found through deformation correction and texture flow field energy minimization.
Owner:WONDERS INFORMATION

A multi-functional flapping wing energy harvesting device with variable front and rear edge structures

The application relates to the technical field of flow field energy collection, in particular to a multifunctional flapping wing energy collection device with variable front and tail edge structures, which comprises a sliding rail module, a multifunctional platform, an adjusting assembly and a flapping wing module; the flapping wing module comprises a wing collar, a wing body and a wing swing which are rotationally connected in sequence; the multifunctional platform comprises a sliding table, a double-shaft pitching driving steering engine, a sinking and floating driving steering engine, a rack and a gear; the double-shaft pitching driving steering engine is arranged on the sliding table and connected with the wing body through the adjusting assembly; the sinking and floating driving steering engine is arranged on the sliding table, and the gear is detachably connected to an output shaft of the sinking and floating driving steering engine; the rack is arranged on the sliding rail module, and the connection state of the gear and the rack comprises a first state and a second state; in the first state, the gear is engaged with the rack; in the second state, the gear is disengaged from the rack; the multifunctional platform is used for realizing flexible switching of the flapping wing energy collection device between full active and semi-active motion modes, so that the application range of the flapping wing energy collection device is improved.
Owner:XI AN JIAOTONG UNIV