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113results about How to "Reduce instability" patented technology

Adaptive cooperative security protection method based on attack path deduction, medium and system

The invention provides a self-adaptive collaborative security protection method based on attack path deduction, a medium and a system, and belongs to the technical field of network security. The method comprises the following steps: sampling possible paths from a current attack node to high-value assets based on an adaptive path sampling algorithm of Monte Carlo tree search to generate an attack path graph, calculating a protection effectiveness score and a service influence score according to key nodes and predicted attack actions, and generating an optimal protection instruction set based on a multi-target tradeoff function; an instruction is converted into a heterogeneous security device configuration command through a strategy execution cooperative controller, multi-device synchronous activation is realized by adopting a distributed transaction protocol based on a logic clock, and a protection effect is monitored and fed back to an artificial intelligence model for parameter optimization; the problem of protection strategy failure caused by asynchronous network security protection response and attack evolution is solved.
Owner:WUZHONG POWER SUPPLY COMPANY STATE GRID NINGXIA ELECTRIC POWER

A battery assembly terminal mounting apparatus and method

The application relates to a battery assembling terminal mounting device and method; the battery assembling terminal mounting device comprises an arrangement mechanism and a mounting mechanism movably arranged above the arrangement mechanism, the mounting mechanism comprises a telescopic frame movably and rotatably arranged above the arrangement mechanism, clamping arms openably and closably arranged on the telescopic frame, a material distribution assembly and a welding assembly; the arrangement mechanism positions a plurality of batteries after combination covers; after the clamping arms move to the material distribution assembly with the telescopic frame and position and clamp terminals, the clamping arms move with the telescopic frame to connect connecting holes of the terminals to pole columns of the batteries, and welding is performed through the welding assembly; the battery assembling terminal mounting method based on the above battery assembling terminal mounting device comprises the following steps: an arrangement process, a detection process, a removal process and a mounting process; the application solves the problems of low production efficiency, low product consistency, heavy burden on operators and hidden safety hazards during terminal mounting.
Owner:ZHEJIANG CHANGXING KISUN POWER SUPPLY

High-efficiency waste heat and cooling water integrated priority heating system and method for FSRU

ActiveCN122083250Abring about fundamental changeEliminate cavitationContainer filling methodsPipeline systemsControl signalProcess engineering
This invention relates to the field of FSRU thermal energy regulation technology, specifically disclosing a high-efficiency waste heat and cooling water integrated priority heating system and method for FSRUs. The method includes: responding to collected multi-dimensional operating data, associating and marking the multi-dimensional operating data, and identifying the current operating condition level of the FSRU based on the marking results; if the operating condition level indicates the need for heat source switching, then determining a heat allocation scheme including the target heat source and flow path configuration according to the cross-domain priority matrix corresponding to the operating condition level. This invention can eliminate unstable factors such as fluid backflow, pump cavitation, and control signal oscillation while ensuring rapid response, significantly improving the robustness and switching smoothness of the FSRU energy supply system under extreme sea conditions, and achieving inherently safe cross-domain collaborative control.
Owner:SHANGHAI COSCO SHIPPING HEAVY IND CO LTD

A condensed pool coal water boundary line video image recognition device and method

The application discloses a kind of concentrated pool coal-water interface video image recognition device and method, comprising: sequentially connected concentrated pool fixed module, mobile module, image acquisition module and image processing module;The mobile module uses movable guide rail, under the guidance of the concentrated pool fixed module, the video information in the concentrated pool is collected by the image acquisition module, and based on image processing module, the video information is analyzed and processed, the number of coal particles is obtained, and then the coal-water interface is identified.The application has the characteristics of non-contact and intelligence by image processing method, with the help of the relatively mature image processing technology and data transmission technology, the dependence on hardware such as sensor is lower, and it is easy to upgrade and transform.
Owner:CHINA UNIV OF MINING & TECH +1

Compound fertilizer for promoting cotton yield and preparation method thereof

PendingCN122254935AReduce sedimentation tendencyReduce local high salt contentLiquid fertilisersFertilizer mixturesPhosphateRoot growth
The application discloses a compound fertilizer for promoting cotton high yield and a preparation method thereof, relates to the technical field of cotton fertilizer, and comprises first mother liquor A, second mother liquor B and third mother liquor C which are prepared, stored and packaged separately; the first mother liquor A contains urea phosphate, monoammonium phosphate, anhydrous citric acid, malic acid and manganese sulfate monohydrate; the second mother liquor B contains commercial 11-37-0 liquid ammonium polyphosphate, ammonium salt type polyaspartic acid solution, purified fulvic acid clear liquid and tri-potassium citrate; and the third mother liquor C is a mixed system of polyol complex state boron clear pre-liquid and medium complex state zinc pre-liquid. The application can improve the effective state stability of phosphorus, zinc and boron, reduce the risks of precipitation fouling and dripping head blockage, alleviate the risks of local salt peak and root injury in the seedling stage, promote the uniform emergence and young root growth of cotton, and improve the yield.
Owner:LIAONING ECONOMIC CROP RES INST +1

A device and method for detecting the deuterium doping concentration of a deuterium-doped KDP crystal

A device and method for detecting the deuterium doping concentration of a deuterium-doped KDP crystal are disclosed. The device comprises a fundamental frequency laser, a second-harmonic deuterium-doped KDP crystal arranged sequentially along the laser output direction of the fundamental frequency laser, a frequency doubling adjuster acting on the second-harmonic deuterium-doped KDP crystal, a first second-harmonic laser color separator, a second second-harmonic laser color separator, and an energy meter. The angle at which two fundamental frequency beams of different wavelengths output from the fundamental frequency laser are incident on the second-harmonic deuterium-doped KDP crystal is controlled by the frequency doubling adjuster. Based on the reading of the energy meter, the second-harmonic deuterium-doped KDP crystal is adjusted to a position corresponding to the phase matching angle. The deuterium doping concentration of the second-harmonic deuterium-doped KDP crystal is obtained by comparing the difference in the measured phase matching angles of the two laser beams with the difference in the phase matching angle calculated according to an empirical formula and the relationship between the phase matching angle difference and the deuterium doping concentration of the crystal. This invention has the advantages of stable device and simple and accurate detection method.
Owner:SHANGHAI INST OF OPTICS & FINE MECHANICS CHINESE ACAD OF SCI

Rotary adjustable curling iron

ActiveCN224268550UAchieve precise rotation controlquality improvementCurling devicesCurlingGear wheel
The utility model relates to the technical field of hairdressing equipment, in particular to a rotary adjustable hair curling rod which comprises a shell, a hair curling assembly, a rotary shifting piece and an upper limiting block. The gear set of the rotary base is meshed with the driven gear, and the second gear teeth of the rotary shifting piece are meshed with the gear set, so that accurate rotation control over the curling iron is achieved, the curling angle and the curling direction can be adjusted more flexibly and stably, the curling effect and the user experience are improved, and the practicability is high. The heating piece is guided through the first moving guide rail and the second moving guide rail, the stability and accuracy of the heating piece in the hair curling process are guaranteed, the problems that a traditional hair curling rod is uneven in heating and unsmooth in hair curling are solved, the hair curling quality is effectively improved, and the upper limiting block and the top cover improve the structural stability of the hair curling rod and improve the hair curling efficiency. And in addition, the use safety is improved, the heating piece is prevented from accidentally falling off or shifting, and safer and more reliable use experience is provided for a user.
Owner:深圳玖柒创欣科技有限公司

Miniature air pump with noise reduction structure

The utility model discloses a miniature air pump with noise reduction structure, including motor and motor output end region installation has the noise reduction ventilation structure, the noise reduction ventilation structure includes base, and motor is fixed mounting close to output end shell and base, and motor output end rotation penetrates the base center position, and the penetration end passes through the shaft coupling and connects the swing bar, and the base top installs the fixed seat, and the fixed seat top is equipped with the umbrella cover through the sealing washer, and the fixed seat is provided with four cover holes of rectangular setting, and the base is provided with eccentric wheel, and the fixed seat is located cover hole fixed and is fixed and is communicated with tower shape ventilation cover, and the swing bar top end is rotatably connected with eccentric wheel center position, and the eccentric wheel is fixedly covered and is installed with tower shape ventilation cover bottom, and the noise reduction effect aspect shows outstanding. The unique structure of tower shape ventilation cover increases the gas flow path and the contact area, effectively promotes the smooth airflow in and out, significantly reduces the turbulence and vortex generation, reduces the airflow noise from the source.
Owner:DONGGUAN COPPER PRECISION ELECTRONICS CO LTD

A method for preparing a multi-alloy synergistically reinforced gray cast iron

This invention relates to the field of gray cast iron material preparation technology, and particularly to a method for preparing multi-alloy synergistically strengthened gray cast iron, comprising: adding steel raw materials to a smelting apparatus and heating to form molten iron; adding a chromium alloy to the molten iron, heating and holding at that temperature to form a basic mixture; determining the degree of furnace lining peeling based on the vibration frequency of the smelting apparatus, and determining the overheating risk level of the basic mixture based on the degree of furnace lining peeling; determining a target heating temperature based on the overheating risk level; determining the eddy current risk level based on the actual rotation speed; adjusting the stirring intensity during the smelting process based on the eddy current risk level; detecting the mixing ratio of the basic mixture and adjusting the amount of steel raw materials or the chromium alloy added to form a target solution; and simultaneously adding manganese nitride, alloyed tin, and ferrous sulfide to the target solution in a specified ratio to form multi-alloy synergistically strengthened gray cast iron. This invention improves the strength, toughness, fluidity, and resistance to solidification defects of gray cast iron.
Owner:FUXIN LIDA STEEL CASTING

A location-based ETC on-board unit personalization method and system, and issuing terminal

This invention provides a method and system for personalizing ETC (Electronic Toll Collection) on-board units (OBUs) based on location determination, and an issuing terminal, comprising: reading the location information of the issuing terminal; matching the read location information with a preset issuing area recorded in the issuing party's backend; if the location matching is successful, establishing a Bluetooth link between the issuing terminal and the OBU; the issuing terminal obtaining OBU information and a first random number from the OBU through the Bluetooth link; the issuing terminal sending an OBU write vehicle information request frame to the issuing party's backend, receiving an OBU write vehicle information response frame returned by the issuing party's backend, and writing the OBU's vehicle information file based on the OBU write vehicle information response frame; and the issuing terminal sending an OBU write system information request frame to the issuing party's backend, receiving an OBU write system information response frame returned by the issuing party's backend, and writing the OBU's system information file based on the OBU write system information response frame.
Owner:BEIJING SUTONG TECH CO LTD +2

Intelligent welding equipment for heat exchanger production

The invention relates to the field of heat exchanger welding, in particular to intelligent welding equipment for heat exchanger production, which comprises an electric lifting seat, a mounting box, an electric guide rail and a moving block in sliding connection with the electric guide rail, the electric lifting seat consists of supporting legs and an electric push rod; the telescopic ends of the multiple electric lifting bases are jointly and fixedly connected with a mounting box. The mounting box is fixedly connected with an electric guide rail; the device further comprises a fixing plate and the like. The movable block is connected with a fixed plate; the fixing plate is fixedly connected with a connecting disc. According to the U-shaped pipe welding device, the upper end opening and the lower end opening of a U-shaped pipe are welded alternately through the upper welding head and the lower welding head, and the upper end opening and the lower end opening of the U-shaped pipe are supported and fixed alternately through the semicircular rings; a worker needs to hold the welding machine and the welding head by hand to stretch into and withdraw from the upper and lower ports of the U-shaped pipe back and forth for welding, and the adjacent welded U-shaped pipe is easy to touch.
Owner:GUANGDONG RISEN THERMAL ENERGY CO LTD

Complex material-oriented multi-path full-frequency global illumination neural rendering method and system

The invention discloses a complex-material-oriented multi-path full-frequency global illumination neural rendering method and system, and belongs to the technical field of computer graphics, and the method comprises the steps: carrying out the scene query of light emitted by pixels, and obtaining a primary geometric buffer and a multi-path mixed geometric buffer of the multi-time ejection of the light; respectively extracting main frequency features and multi-path sub-frequency features in a neural feature field based on the two features; performing directed graph structured modeling based on the multi-path sub-frequency features to obtain propagation features representing light path propagation information and global features representing overall light path information; performing multi-path frequency joint feature fusion based on the dominant frequency feature, the propagation feature and the global feature to generate a fusion feature with a full-frequency feature; and estimating a final radiation brightness value of the pixel based on the fusion feature, and completing neural rendering of global illumination. According to the method, efficient modeling and high-quality drawing of multi-path full-frequency global illumination under a complex material can be realized, and the sense of reality and dynamic consistency of a rendered image are remarkably improved.
Owner:ZHEJIANG UNIV

An anchoring structure for a gantry crane

This utility model discloses an anchoring structure for a gantry crane, including a base, a hydraulic anchoring mechanism, an anchor plate clamping mechanism, and a clamping auxiliary mechanism. The hydraulic anchoring mechanism includes a hydraulic cylinder, a support arm, a connecting frame, a rotating frame, a rotating rod, and an anchoring plate. The anchor plate clamping mechanism includes a clamping pipe, a clamping rod, a clamping groove, a transverse rod, a slope plate, a rotating block, and a slope groove. Hydraulic control provides strong support, ensuring the anchoring plate can make tight contact with the ground, thus improving the crane's stability. The clamping pipe, clamping rod, and other structures enable the anchoring plate to connect to the ground quickly and stably, and can be flexibly adjusted under different ground conditions. The design of the clamping mechanism improves the accuracy and efficiency of the clamping process. Components such as threaded rings and directional rings reduce friction between components, ensuring smooth operation of the clamping mechanism and enhancing the durability of the entire anchoring system.
Owner:HENAN FADA CRANE CO LTD

A Container Ship Track Prediction Method Based on EMD-PSO-GRU-RBFNN

This invention discloses a container ship trajectory prediction method based on EMD-PSO-GRU-RBFNN, belonging to the field of intelligent shipping technology. The method takes ship AIS data as input, including time, longitude, latitude, speed, and heading angle information; preprocesses the AIS data to divide it into training and test sets; constructs a trajectory prediction model, calculates the difference between the predicted values ​​of the training set and the actual ship position coordinates to obtain the residual signal; adaptively decomposes the residual signal using empirical mode decomposition to obtain intrinsic mode components and residual components; constructs prediction models for high-frequency and mid-to-low-frequency components, reconstructs the prediction results of each component to obtain the residual prediction value, and superimposes it with the baseline prediction results of the test set to obtain the corrected test set output; the corrected test set output is then evaluated. This invention can model and compensate for trajectory errors at different frequency scales, improving the stability and reliability of trajectory prediction.
Owner:GUANGDONG OCEAN UNIVERSITY

Disinfection supply center pipe cavity cleaning device

The utility model discloses a disinfection supply center pipe cavity cleaning device which comprises a box body and a cleaning mechanism arranged in the box body, the cleaning mechanism comprises an upper cover plate and a water collecting tank, a plurality of feeding holes are formed in the upper cover plate, clamping rotating mechanisms in one-to-one correspondence with the feeding holes are arranged below the upper cover plate, and the clamping rotating mechanisms are connected with the water collecting tank. An electric lifting rod is connected to the lower portion of the clamping rotating mechanism through a cleaning pipe, a booster water pump is arranged below the water collecting tank and communicates with the cleaning pipe through a water conveying pipe, a water inlet pipe is arranged on the water conveying pipe, the water collecting tank is provided with a water drainage pipe, and a controller is arranged in the water collecting tank. According to the disinfection supply center pipe cavity cleaning device, a plurality of instruments can be cleaned at the same time, the water bags and the water spraying holes are matched with the instruments to rotate, and all-around dead-corner-free decontamination is achieved; the automation degree is high and operation is simple; the device can adapt to different instruments, is stable and easy to maintain, and greatly improves the cleaning quality and efficiency.
Owner:保定市第一中心医院

Drying equipment energy-saving transformation method based on permanent magnet synchronous high-speed fan

The invention discloses a drying equipment energy-saving transformation method based on a permanent magnet synchronous high-speed fan, and relates to the technical field of drying equipment control and airflow conveying, and the drying equipment energy-saving transformation method comprises the steps that adjacent drying grooves are divided into a drying groove group; original hot-air blowers of all the drying grooves are detached, and permanent magnet synchronous high-speed blowers are installed; an electric heating bag is arranged in a communicating pipeline between the main air pipe and the plurality of branch air pipes; a tank body temperature sensor, a heating bag outlet temperature sensor, an exhaust temperature and humidity sensor and an exhaust valve are arranged and connected into the electrical control device; control software is operated in the electrical control device to control the operation frequency of the permanent magnet synchronous high-speed fan, the heating power of the electric heating bag and the opening degree of the exhaust valve. A large number of original air heaters which are independently installed are omitted, the situation that airflow is unstable due to performance differences of the multiple air heaters is reduced, the air volume and the air pressure in the same drying groove set are kept consistent, the overall stability of air supply is improved, and the number of vibration sources caused by parallel operation of the multiple air heaters is reduced.
Owner:YIBIN YINGFA DEKUN TECH CO LTD

All-solid-state battery positive electrode material and preparation method thereof

The invention discloses an all-solid-state battery positive electrode material. The all-solid-state battery positive electrode material comprises a positive electrode active material and a composite sulfide solid electrolyte, the composite sulfide solid electrolyte comprises a sulfide solid electrolyte matrix and a metal fluoride layer coated on the surface of the sulfide solid electrolyte matrix, and the mass ratio of the positive active material to the composite sulfide solid electrolyte is 7: 3. The sulfide solid electrolyte is coated with a layer of metal fluoride, on one hand, the stable metal fluoride effectively isolates sulfide from being in direct contact with air, the air stability of the sulfide solid electrolyte is greatly improved, and the problem that the sulfide solid electrolyte is sensitive to air is relieved; on the other hand, the metal fluoride coating layer can prevent sulfide solid electrolyte from being in direct contact with the positive electrode material, the instability between the positive electrode material and the electrolyte is relieved, and an effective thought is provided for industrialization of the all-solid-state battery.
Owner:QINGDAO QIANYUN HIGH TECH NEW MATERIAL

Automatic device and method for fine burning and welding of quartz round tube products

The invention discloses a quartz round tube type product fine burning and welding automation device and a quartz round tube type product fine burning and welding method applying the device. The device comprises a rack and a control module, the rack is provided with a liftable workpiece clamping and rotating module and a flame machining module which are electrically connected with the control module, the flame machining module is located on one side of the workpiece clamping and rotating module, the liftable workpiece clamping and rotating module comprises a chuck and a main shaft, one end of the main shaft is in transmission connection with the chuck, and the other end of the main shaft is in transmission connection with the control module. And the other end of the control module is connected with a lifting driving piece which is also electrically connected with the control module. The method has the advantages of excellent processing quality and consistency, good flexibility, strong adaptability, traceable and optimized process and capability of greatly improving the production efficiency. And the labor intensity and the dependence on skilled workers are greatly reduced.
Owner:HANGZHOU DAHE THERMO MAGNETICS CO LTD

Pulse recognition method based on three-channel cross-checking

The present application belongs to the technical field of photon counting imaging, and particularly relates to a pulse recognition method based on three-channel cross verification. The method comprises the following steps: S1: obtaining time sequence synchronized signal sequences of three channels output by a charge sensitive amplifier, and pre-processing the signal sequences of the channels to obtain respective deconvolution signals of the three channels; S2: designing a threshold based on the respective deconvolution signals of the three channels, and performing three-channel cross recognition on each pulse event by using the threshold to obtain a pile-up discrimination group and an amplitude extraction group; and S3: recording a pulse event with an amplitude to be extracted into a non-pile-up amplitude extraction group by using the relationship among a time interval of each pulse event, a pulse shaping width and an amplitude extraction width, and obtaining three-channel pulse amplitudes of each pulse event contained in the non-pile-up amplitude extraction group. The present application saves the time cost of debugging, and reduces the instability of results caused by human factors.
Owner:CHANGCHUN INST OF OPTICS FINE MECHANICS & PHYSICS CHINESE ACAD OF SCI

A fixing structure for a translator camera module

ActiveCN224289895UQuick disassembly and installationEasy to installNatural language translationCamera moduleMechanical engineering
This utility model provides a fixing structure for a translator camera module, including a translator body and a camera module that can be detachably installed inside the translator body via a fixing mechanism. The fixing mechanism includes a connecting block fixedly disposed at the bottom of the camera module and passable through a connecting groove inside the translator body; an energy storage block movably passed through the bottom wall of an energy storage groove via a first elastic component; a locking block movably passed through a sliding groove and connected to the opposite end of the energy storage block via a second elastic component; and a disassembly component disposed within the translator body and controlling the locking block to slide into the sliding groove. An energy storage groove and a sliding groove are respectively provided on the symmetrical sides of the connecting block, and a transmission hole penetrating both is provided at the bottom of the energy storage groove and the bottom of the sliding groove. This utility model allows for convenient disassembly and installation of the translator camera module and improves the reliability and stability of the camera module installation and fixing.
Owner:ANHUI XINGHONGYE INTELLIGENT TECH CO LTD

A smart adaptive dose verification calculation method and system

PendingCN122075941Afast convergenceSolve the efficiency bottleneckMedical simulationMechanical/radiation/invasive therapiesDose verificationAlgorithm
This invention discloses an intelligent adaptive dose verification calculation method and system. The intelligent adaptive dose verification calculation method includes: obtaining preliminary dose distribution data for a patient based on a deep learning-based dose prediction model; dynamically assigning variance reduction parameters to particles in a Monte Carlo simulation based on the high and low dose distribution information in the preliminary dose distribution data, wherein the variance reduction parameters include simulation weights, with simulation weights assigned to particles predicted to be in high-dose regions being less than those assigned to particles predicted to be in low-dose regions; and using a Monte Carlo dose calculation engine, simulating the planned beam based on the dynamically assigned variance reduction parameters to obtain high-precision verification dose distribution data. This invention's intelligent adaptive dose verification calculation method ensures the physical authenticity of the final verification dose distribution and the credibility of the "gold standard."
Owner:SUPERACCURACY SCIENCE & TECHNOLOGY CO LTD

Novel high-stability tooling quick switching base equipment

The utility model discloses a novel high stability frock quick switching base equipment relates to welding fixture technical field. The utility model discloses a fixed base and set at the top of fixed base's welding fixture main part and set between the top of fixed base and welding fixture main part bottom's mobile platform main part still include: moving wheel, set in the four corners at mobile platform main part bottom end, the both sides of mobile platform main body front end are provided with front end positioning seat. The utility model discloses through increasing detection mechanism and stable locking mechanism on the basis of pinhole positioning welding fixture, can alleviate the wear and tear of pinhole positioning, further improves the accuracy of quick switching structure positioning, improves the positioning stability, and the dismounting and replacing clamp can be quickly and simply switched only by manual, reduces the dependence on other machinery, reduces the insecurity caused by the confusion of too many other machinery or switching personnel.
Owner:QINGDAO WUSHUNAUTOMOBILE MOLDS PARTS CO LTD

An air fryer

ActiveCN224403453UAdjust the shading areaPrecise position controlAir volumeElectric machine
The application discloses an air fryer, which comprises a cooking cavity and a fan for sending air into the cooking cavity, the cooking cavity is provided with an exhaust port communicated with the outside atmosphere, and the air fryer further comprises a motor, a one-way driving assembly and an air outlet adjusting device arranged at the exhaust port, the motor is connected with the fan and the one-way driving assembly through a motor shaft; when the motor drives the fan to rotate forward, the one-way driving assembly does not drive the air outlet adjusting device to move, when the motor drives the fan to rotate reversely, the one-way driving assembly drives the air outlet adjusting device to move so as to adjust the air outlet amount at the exhaust port. In the application, the fan for sending air into the cooking cavity and the one-way driving assembly for driving the air outlet adjusting device to move share one motor, the number of motors is reduced, the cost is lowered, the structure is more compact, the internal layout is more reasonable, and the miniaturization of the air fryer is facilitated.
Owner:HONGYANG HOME APPLIANCES

A decentralized DTU station terminal system based on linear interpolation method

ActiveCN121840889BStable event fingerprint characteristicsStable event time identification results
The application discloses a kind of distributed DTU station based on linear interpolation method terminal system, including multiple interval units and a public unit;Interval unit gathers and sends to public unit with original sampling time label carrying bus voltage sampling sequence and feeder current sampling sequence;Public unit includes event determination module, time difference calculation module and data synchronization reconstruction module;Event determination module identifies the local switching event time of capacitor switching in each interval unit;Time difference calculation module calculates the time alignment offset of each interval unit according to local switching event time;Data synchronization reconstruction module uses time alignment offset to shift the original sampling time label of each interval unit, and executes linear interpolation when any interval unit is missing data at a certain time position of sampling point total set.
Owner:国网黑龙江省电力有限公司绥化供电公司

Verfahren und vorrichtung zur computerimplementierten überwachung einer windturbine

The invention relates to a method for computer-implemented monitoring of a wind turbine having a rotor with rotor blades (10). The rotor blades (10) are provided with an active flow control device (11D, 12D, 14D). During the operation of the wind turbine the following steps are performed: i) obtaining digital operation data (OD) of the wind turbine, the operation data (OD) being current sensor data (WTSD) taken by a plurality of sensors installed on the wind turbine and a control signal (AFCD CS) for controlling the active flow control device (11D, 12D, 14D) to adopt a specific state; ii) determining an estimate (ECLI) of the state and / or performance degradation of the active flow control device (11D, 12D, 14D) by processing the operation data (OD) by a trained data driven model (DDM), where the operation data (OD) are fed as a digital input to the trained data driven model (DDM) and the trained data driven model (DDM) provides the estimate (ECLI) of the state and / or performance degradation of the active flow control device (11D, 12D, 14D) as a digital output.
Owner:SIEMENS GAMESA RENEWABLE ENERGY AS

Photoelectric detection array channel multiplexing method based on neural network

The invention discloses a photoelectric detection array channel multiplexing method based on a neural network, and relates to the field of photoelectric detection. According to the invention, by using the channel multiplexing technology and the convolutional neural network technology, the reading difficulty of a large photoelectric detection array is reduced. A convolutional neural network is combined with a photoelectric array coding and decoding method, decoding of position information after coding and position reconstruction of a coding hit mode are carried out, and the cost of construction, operation and data acquisition is reduced. According to the method, a neural network in the field of computer vision is combined with a particle physical experiment, so that a high-precision decoding process and physical event information restoration in a coding state are ensured.
Owner:SHANGHAI JIAOTONG UNIV

A high-precision measuring instrument for internal resistance of button cell

ActiveCN224456986Uavoid damageAttached firmlyButton batteryElectrical battery
This utility model relates to the field of battery technology and discloses a high-precision measuring instrument for the internal resistance of button batteries. It includes a support frame, an internal resistance measuring instrument, a cable tie, a controller, and a threaded rod. A measuring mechanism is located at one end of the bottom surface of the support frame, and a feeding mechanism is located in the middle of the bottom surface. The measuring mechanism includes a fixing block. In this utility model, the measuring instrument, controlled by the controller, drives a first servo motor to rotate the bidirectional threaded rod, which, in conjunction with a guide rod on the fixing block, enables two sliders and a test pen on a hanging bracket to move stably in opposite directions. When the button battery is located between the two test pens, the sliders move in opposite directions, causing the test pens to simultaneously contact the positive and negative terminals of the button battery. The spring telescopic rod on the hanging bracket provides cushioning when the test pens contact the battery, preventing damage and ensuring stable contact with one end of the battery. After measurement, the sliders slide away in the opposite direction, reducing manual instability and improving the practicality of the device.
Owner:LUOYANG ANXIN NEW ENERGY TECH CO LTD

A hand pose timing optimization method and related devices

PendingCN122598258AAchieve direct optimizationreduce instability
This invention belongs to the field of 3D hand pose estimation technology. It discloses a method and related equipment for temporal optimization of hand pose. After acquiring a video sequence and processing it frame by frame to obtain initial hand pose parameters, a clear reference frame is retrieved through a sliding window. The features of the reference frame are used to compensate for the features of the current frame, effectively alleviating the instability caused by occlusion and blurring, and improving the reliability of feature representation. In view of the shortcomings of existing temporal modeling, which only operates on the feature layer and lacks direct constraints on pose parameters, this method fuses and linearly projects temporal enhancement features, inputs them into the pose regression head to obtain preliminary optimization parameters, and realizes direct optimization of pose parameters. At the same time, with the topology of the hand skeleton as a constraint, the optimization parameters of the previous frame and the preliminary optimization parameters of the current frame are adaptively fused on the 3D rotating manifold to avoid destroying the geometric properties of the rotation parameters, ensure that the joint motion conforms to the physical laws, and realize fine temporal optimization while taking into account the differences in the motion of different joints.
Owner:XI AN JIAOTONG UNIV

An apparatus and method for surface microtextured jet electrolytic machining

This invention discloses a jet electrolytic machining device and method for surface microtexturing, specifically relating to the field of special machining technology. It includes a spindle with a nozzle connected to it. Both sides of the nozzle are connected to liquid inlet pipes. The nozzle contains a liquid collection chamber, the bottom of which is connected to a liquid delivery groove. A protrusion higher than the bottom of the liquid collection chamber is provided at the connection between the liquid delivery groove and the liquid collection chamber. The bottom of the nozzle has a honeycomb-shaped liquid outlet hole, which is connected to the liquid delivery groove. This invention solves the problem of low precision and quality in existing microtexturing machining, improving the machining precision and quality of mechanical components.
Owner:YANGZHOU UNIV