133results about How to "Lock accurately" patented technology

The invention discloses a loss diagnosis and health management system and method for a transformer, and belongs to the technical field of intelligent transformers, and the system comprises a thermal fingerprint module which is used for recording a temperature drop curve of each part of the transformer after planned power failure, and obtaining a thermal inertia fingerprint of the transformer based on the fitting of multiple temperature drop curves; the theoretical temperature module is used for calculating the theoretical cold body temperature of each part of the transformer based on the real-time environment temperature and the thermal inertia fingerprint when the transformer runs; the net temperature rise module is used for acquiring the actual temperature value of each part of the transformer and subtracting the corresponding theoretical cold body temperature from the actual temperature value; weak thermal characteristic signals caused by insulation aging and loss abnormity of the transformer can be accurately extracted from strong background noise such as load fluctuation and environment temperature through technologies such as thermal inertia fingerprint construction and net temperature rise separation, early diagnosis of progressive health deterioration is realized, support is provided for intervening potential faults in advance, and the fault diagnosis accuracy is improved. And the passive situation of post-treatment of operation and maintenance is changed.

The invention discloses a holder omnidirectional high-dynamic strike control method, device and system, and a storage medium. The method comprises the following steps: acquiring high-frequency motion attitude data of a robot dog body and environment image data of a holder visual sensor in real time; carrying out edge side target identification and depth calculation by using an onboard RISCV + NPU heterogeneous computing platform to obtain a three-dimensional absolute coordinate of a striking target; a robot dog-holder multi-body dynamic coupling model is constructed, and the pose jitter of the fuselage at the next moment is predicted based on the gait features of the robot dog; and generating a pan-tilt feedforward compensation control instruction, driving the pan-tilt to move reversely so as to counteract the disturbance of the fuselage, and locking the target and executing strike in the omni-directional high-dynamic motion. By the adoption of the technical scheme, the problems that a tripod head aiming base line is not stable and the striking precision is low when a foot type robot runs, jumps and other strenuous motions are solved.

The invention discloses a mining area three-dimensional deformation monitoring method and system based on an SAR image, and relates to the technical field of mining area monitoring, and the method comprises the steps: extracting a line-of-sight deformation sequence from a time sequence deformation phase set, identifying a deformation acceleration point and a convergence inflection point in the line-of-sight deformation sequence, and segmenting a mining period based on the deformation acceleration point and the convergence inflection point, obtaining a plurality of sub-periods; differential interference is carried out on the initial SAR image and the tail SAR image of each sub-period, differential interference deformation diagrams of the sub-periods are obtained, and earth surface three-dimensional deformation estimated values corresponding to the sub-periods are deduced based on mining geological parameters of the target mining area; coupling the differential interference deformation graph and the three-dimensional deformation estimated value to obtain a three-dimensional deformation initial field; according to the method, the deformation evolution rules of the stages such as acceleration, stabilization and convergence are accurately described, the accuracy and time sequence continuity of three-dimensional deformation monitoring of the mining area are greatly improved, and the dynamic change characteristics of surface deformation in the whole mining process are completely presented.

The utility model provides a kind of headrest with cosmetic mirror, car seat and vehicle, it is related to the technical field of automobile parts, the headrest includes headrest body, cosmetic mirror subassembly, damping device and limiting device, and headrest body rear side is equipped with accommodating cavity;Cosmetic mirror subassembly is reversibly set in accommodating cavity by pivot, including triangular installation body and cosmetic mirror, installation body has adjacent first surface and second surface, first surface fixed cosmetic mirror, and second surface is the decorative surface consistent with the curvature of headrest rear side outer surface.Cosmetic mirror subassembly can be switched between the use state that cosmetic mirror is exposed and flush with headrest and the storage state that decorative surface is exposed and flush with headrest.The design realizes the balance of hidden storage and convenient use of cosmetic mirror, flush with headrest surface when storage, stable adhesion without space when use, solve the problem that traditional cosmetic mirror is complicated to operate and occupies space, improve practicality and aesthetic property, especially suitable for rear passenger use.

The utility model relates to the field of controller silica gel button, disclose silica gel button edge anti -warp reinforcing edge structure, including silica gel base plate, the top fixedly connected with silica gel button of silica gel base plate, the outside fixedly connected with anti -warp reinforcing mechanism of silica gel base plate, the outside fixedly connected with antiskid protection mechanism of silica gel button, the anti -warp reinforcing mechanism includes reinforcing tensile edge, the outside fixedly connected in the outside of silica gel base plate of reinforcing tensile edge, the outside of reinforcing tensile edge is equipped with metal protective cover edge. In the utility model, through fixing reinforcing tensile edge outside silica gel base plate, then the metal protective cover edge is connected with the inside of shell simultaneously, and the precise positioning and locking are realized by using anti -shift joint convex point, positioning recess, extension locking boss and fitting groove, form stable connection, in this way can effectively enhance silica gel base plate edge tensile strength, resist external collision scratch, restrain edge warping deformation.

The application relates to a vehicle underbody living body detection method, a computer program product, an electronic device and a vehicle. The detection method comprises the following steps: taking a vehicle underbody image as a reference image when the vehicle is powered off; determining a real-time image with a difference region as a to-be-detected image based on the reference image and the real-time image of the vehicle underbody; determining feature detection information of the to-be-detected image, and realizing identification of a vehicle underbody living body and / or determination of a vehicle underbody living body state based on the feature detection information. Based on this, the application can improve the pertinence and efficiency of vehicle underbody detection, and guarantee the accuracy and effectiveness of vehicle underbody living body detection results.

The invention provides an SSB time-frequency synchronization method and device, and relates to the technical field of mobile communication. The method comprises the following steps: receiving a synchronization signal block SSB signal sent by a base station; processing the SSB signal to obtain a target time domain sequence generated after processing, and performing sliding correlation on the target time domain sequence to obtain a time domain correlation value sequence; acquiring a peak value of the time domain correlation value sequence, and performing time synchronization of the SSB signal based on time offset corresponding to the peak value; after the time synchronization of the SSB signal is completed, obtaining a cyclic prefix (CP) removal sequence corresponding to the time domain sequence of the SSB signal, and obtaining a pre-frequency offset PSS time domain sequence generated after a primary synchronization signal PSS time domain sequence is subjected to multiple times of frequency offset adjustment; performing correlation calculation based on the CP-removed sequence and the pre-frequency offset PSS time domain sequence to determine a target estimated frequency offset; and completing frequency synchronization of the SSB signal based on the target estimation frequency offset. According to the invention, the PSS can be locked quickly and accurately to realize time-frequency synchronization.

The application discloses a network type energy storage power station capacity planning and configuration optimization method based on multi-source data, relates to the technical field of configuration optimization, and comprises the following steps: calculating the cavity length and cavity height of a subsurface cavity based on the sound wave response signal of a corridor ground surface structure; calculating the cavity risk coefficient of a target corridor based on the cavity length and cavity height; calculating the updated discharge depth based on the cavity risk coefficient and the planning discharge depth in an electric station design parameter table; generating a shadow band section of the target corridor, marking the energy storage units of the energy storage power station as high-risk units or low-risk units based on the shadow band section; calculating the high-risk power sum of all the high-risk units, and calculating the high-risk capacity sum of all the high-risk units based on the updated discharge depth. The application can improve the reliability of the operation safety of the power station.

This application discloses a grid-connected inverter control method based on a notch filter phase-locked loop (PLL) for weak grid conditions. The method first designs a notch filter with adjustable notch depth and bandwidth, setting its notch frequency to the grid power frequency. It then acquires the three-phase voltage at the grid connection point, subtracts the voltage after notching, and extracts the power frequency component of the three-phase voltage. The power frequency component is phase-locked in a synchronous reference frame to obtain the modulation wave phase signal. The inverter output voltage and current are acquired, and active and reactive power are calculated. A dual closed-loop control circuit with an outer power loop and an inner current loop is constructed, outputting the modulation wave voltage amplitude signal. Finally, the modulation wave phase signal and amplitude signal are combined to generate a pulse modulation wave signal. Thus, this invention can accurately lock the grid phase when the weak grid voltage contains harmonics and DC components, effectively improving the stable grid-connected operation capability of the grid-connected inverter under large disturbances.

The invention relates to the technical field of nano material preparation and electrochemical energy storage, in particular to a single-walled carbon nanotube and a preparation method thereof. According to the preparation method, a floating catalyst chemical vapor deposition (FCCVD) method is adopted, a compound of ferrocene and sublimed sulfur is used as a catalyst precursor, a horizontal tube furnace with at least three independent temperature zones is adopted, and a specific staged programmed heating strategy is adopted, so that the high-temperature-resistant and high-temperature-resistant catalyst is obtained. And the temperatures of the precursor sublimation area, the catalyst formation and activation area and the main growth area are accurately controlled in sequence. Wherein the temperature of the main growth region is accurately controlled at an optimal window of 1000 DEG C. The method effectively inhibits the generation of multi-walled carbon nanotubes and defect structures, and can stably prepare single-walled carbon nanotubes with high graphitization degree and less metal residues. The method is high in process controllability, and a reliable scheme is provided for large-scale preparation of the high-performance single-walled carbon nanotubes.

The application relates to the field of battery safety monitoring, in particular to a thermal runaway monitoring method, a battery management system, a battery pack, equipment, a medium and a product. The method comprises the following steps: obtaining a target battery module associated with a thermal runaway feature of a battery pack, wherein the target battery module comprises a module to which the thermal runaway feature point belongs and adjacent modules, and performing early warning processing on the battery pack based on the target battery module. The method can quickly locate the position of the thermal runaway feature, timely perform early warning processing on the thermal runaway feature, and according to the position relationship of the battery modules, the diffusion range of the thermal runaway feature can be determined, and the misjudgment of the thermal runaway risk can be avoided.

The invention discloses an air tightness detection device for a corrugated pipe compensator. The air tightness detection device comprises a first blind flange, a second blind flange, a fastening assembly, a sealing assembly, an air exhaust connecting pipe, vacuumizing equipment, a vacuum gauge, a vacuum baffle valve, a helium mass spectrometer leak detector and an external helium spray gun. The invention also discloses a bellows compensator air tightness detection method. The method comprises the following steps: S1, assembling and sealing; s2, performing initial inspection; s3, vacuumizing is carried out; s4, maintaining pressure and observing; and S5, judging a result. The technical scheme of combining negative pressure vacuum and helium mass spectrum leak detection is adopted, the characteristics that helium molecules are small in diameter, low in background content and high in response speed are utilized, the leak detection sensitivity is extremely high and is far superior to a traditional bubble method, a negative pressure maintaining method and an SFsniffing method, high-precision detection can be stably achieved, and the leak detection accuracy is greatly improved. The device can meet the requirements of extra-high-voltage GIL pipelines, chemical high-risk medium pipelines and other scenes with extremely high requirements for sealing performance, and the reliability and accuracy of detection results are greatly improved.

The utility model discloses a drilling soil sampling device for soil detection, which comprises a lifting plate, a lifting adjusting mechanism, an external rotation soil breaking mechanism and a mounting clamping mechanism, the lifting adjusting mechanism comprises a conical tooth assembly, a lead screw, a threaded plate, a bottom frame and a hinge lifting frame; the external rotation soil breaking mechanism comprises a conveying pipe, a lateral frame, a first motor, a second motor, an external rotation pipe, a transmission tooth assembly, an external rotation blade, a rotating shaft and a conveying blade, and stable lifting of a lifting plate is ensured through threaded fit of a bevel tooth assembly and a lead screw, so that the drilling depth is accurately controlled, high-precision control is provided for soil sampling, and the working efficiency is improved. The external rotation ground breaking mechanism effectively breaks ground by means of the rotation function of an external rotation pipe and external rotation blades, all assemblies can be rapidly connected and fixed through the design of a clamping pipe, a clamping rod, an external extension spring rod and the like of the installation clamping mechanism, and the detachability and maintenance convenience of the equipment are improved.

This invention belongs to the technical field of fast reactor installation, commissioning, operation, and routine maintenance, specifically relating to a local alarm device for a distributed sodium leak detector. A switch, power supply, alarm light, display screen, buzzer, and resistance display control meter are connected in series between two wires. The power supply and alarm light are grounded. After startup, tweezers at the end of the wires are used to clamp the two metal wires after the ceramic insulated terminal of the sodium leak detector to begin measurement. If a value is displayed, it indicates a short circuit in the sodium leak wire, and the location of the short circuit is determined. This invention quickly locates the fault point of the sodium leak wire, reducing the time and labor required for disassembling insulation during maintenance.

This invention relates to the field of machine vision technology, specifically to a method and system for optimizing the construction method of building main structures based on AI visual recognition. The method includes generating a time-varying probability grid map, assessing pump truck path risks based on the grid map and generating an incremental sequence of liquid surface vertical elevation, processing the sequence using a convolutional temporal structure to generate pumping adjustment signals, collecting point clouds to construct a two-dimensional deviation distribution matrix, and generating construction records based on frequency domain transformation and secondary keel spacing matching. In this invention, by constructing a dynamic diffusion grid space to map the movement of suspended objects into a time-varying probability map, dynamic collision risk quantification is achieved. Depth perception is used to monitor liquid surface elevation, and a convolutional model is used to fit lateral pressure dissipation characteristics to achieve adaptive adjustment of pumping frequency. Frequency domain transformation is used to analyze the dominant frequency of the deviation matrix and match the keel spacing, accurately identifying stiffness-failed components and optimizing support spans, eliminating blind spots in manual monitoring and improving construction accuracy and management efficiency.

This utility model relates to the field of warping machine technology and discloses an anti-tangle master yarn separating and warping machine, including a frame. A fixed seat is fixedly connected to the top of the outer wall of the frame. A maintaining mechanism is provided on the top of the outer wall of the fixed seat. A dust collection mechanism is provided on the top of the outer wall of the frame. The maintaining mechanism includes a first inner rod. The bottom end of the outer wall of the first inner rod is fixedly connected to the top of the outer wall of the fixed seat. A first outer rod is slidably connected to the outer wall of the first inner rod. An outer crossbar is fixedly connected to the outer wall of the first outer rod. An inner crossbar is slidably connected to the inner wall of the outer crossbar. In this utility model, the maintaining mechanism adjusts the overall height through the telescopic cooperation of the inner and outer rods. The sliding of the outer crossbar and the inner crossbar realizes lateral telescopic movement. A lever and slider move in the slide groove. An elastic component uses the spring potential energy to firmly lock the inner crossbar into the fixing hole of the support component. The tension component buffers the displacement impact through the cooperation of the spring and the limiting ring.

The utility model discloses a linear motor counterweight device which comprises a counterweight box, an adjusting device is installed on the counterweight box, the adjusting device comprises a fixed sleeve, a shifting sleeve, a moving rod, a moving sleeve, a moving groove, an inserting groove, an inserting rod, a connecting spring, a pressing plate, a moving block and a moving plate, the moving rod penetrates through the fixed sleeve in a sliding mode, the moving groove is formed in the fixed sleeve in an inclined mode, and the moving block is arranged in the moving sleeve. The inserting groove is formed in the moving block, the inserting rod is connected to one side of the pressing plate, the moving block is connected to one side of the moving plate, a locking mechanism is installed on the outer side of the fixing sleeve, and the locking mechanism comprises a transverse plate, an arc-shaped rod, an arc-shaped spring, a return block, a matching groove, an arc-shaped hole, the fixing block, a longitudinal plate and a matching plate. According to the utility model, not only can the thrust applied by the spring be flexibly adjusted according to linear motors of different models and working condition requirements, but also the long-term stability of parameters after adjustment can be ensured.

This invention discloses a beam formwork installation and reinforcement device for confined spaces, comprising a disc-lock frame. An aluminum alloy beam bottom horizontal plate is mounted on top of the disc-lock frame, and a beam bottom support formwork is installed above it. A first timber beam is installed between the two. The inner side of the formwork is a concrete beam with integrated columns. Irregularly shaped metal rods with steel plates and clearance grooves are installed on the outer sides of the formwork on both sides of the columns. These irregularly shaped metal rods are connected by a connecting assembly. A second timber beam is installed between the two columns, with both ends contacting small channel steel. L-shaped fixing clips are fixed to the small channel steel. The connecting assembly replaces the original first nut with an end assembly, which includes a magnetic end plate, a square-section threaded sleeve, and a limiting nut. This invention adapts to confined space layouts through a modular aluminum alloy beam bottom horizontal plate and achieves precise reinforcement of the beam formwork while being suitable for operation in confined spaces using irregularly shaped metal rods with clearance grooves and a connecting assembly containing end assemblies.

This invention relates to the field of intelligent logistics warehousing and automated storage technology, specifically a method, system, and apparatus for efficient pallet storage in logistics storage. The method includes: collecting actual outbound instructions and pallet flow records as initial data packets; performing time-series correlation analysis to obtain the spatiotemporal coupling characteristics of orders; extracting pallet flow probabilities and calculating predictive cache hit rates; classifying heat levels based on historical outbound frequencies and assigning migration priorities; calculating the physical topology entropy reduction index of the storage area in conjunction with pallet flow probabilities; extracting idle time slices of handling equipment and calculating fragmented time rebalancing conversion rates; constructing a multi-objective optimization function and solving it to obtain a dynamic topology rearrangement strategy; generating migration trigger conditions and cache execution instructions, and executing them when the conditions are met; and calculating scheduling preemption rollback delays and formulating rearrangement interruption recovery strategies when sudden tasks have higher priority. This invention thereby improves the accessibility and scheduling stability of high-frequency pallets.

The application discloses a kind of based on poetry idiom golden sentence interaction live compliance marketing method and system, it is related to live e-commerce interactive marketing technical field.The system includes standardization question bank configuration module, real-time interaction acquisition and intelligent semantic recognition module, layered user qualification label generation module, visual interactive rendering module, official welfare API linkage module;Method includes question bank initialization configuration, poetry question pushing and interaction acquisition, automatic semantic verification and first-level qualification screening, dice visual rendering and secondary interaction matching, official welfare API linkage compliance award, data closed-loop feedback.The application realizes the intelligent verification of live interaction, layered screening and compliance awarding through whole-process automation technology, completely relies on the official welfare tool API of live platform, avoids illegal flow limiting, risk of account suspension, improves live operation efficiency and user stickiness, builds uncopyable technical barriers, applicable to wine, cultural and creative, tea and other cultural commodity live scene, with very high practicality and popularization value.

The utility model discloses a multifunctional hair curling and shaping hair drier which comprises a hair drier rear section and a hair drier tuyere, one end of the outer side of the hair drier rear section is fixedly connected with a connecting column, the outer side of the tail end of the connecting column is fixedly sleeved with a limiting ring, one end of the limiting ring is provided with a positioning hole in a penetrating mode, and the tail end face of the connecting column is fixedly connected with a tension spring. The other end of the tension spring is fixedly connected with a spring sleeve seat, an arch-shaped insertion rod is fixedly arranged in the spring sleeve seat in a penetrating manner, the connecting column is rotationally connected with an arch-shaped clamping plate, a connecting groove is formed in one end of the arch-shaped clamping plate in a penetrating manner, and a plurality of groups of adjusting holes are formed in the same end of the arch-shaped clamping plate around the connecting groove; according to the utility model, through the rotary connection design of the bow-shaped clamping plate and the connecting column and the cooperation of the adjusting holes and the positioning holes which are uniformly distributed in the annular columns, the handle can be accurately locked at any angle in the range of 360 degrees, and a user can quickly switch the holding angle in the hair blowing process only by manually rotating the handle without the help of a tool.

The utility model provides a high-precision adjusting type fixed supporting structure for door and window installation, which relates to the technical field of door and window installation and comprises a main rod used for being installed on a wall surface in an attached mode. The middle plate is vertically arranged on the main rod and is used for being inserted into a gap between a door window and a wall surface; the abutting plate is slidably arranged on the main rod in the length direction of the main rod so as to abut against the side wall of the door window. The pressing plate is arranged on the main rod in a sliding mode in the length direction of the main rod so as to be pressed on a door and window. The driving part is used for driving the abutting plate and the pressing plate to be close to or away from the middle plate and to be fixed to the moved position. The utility model discloses can improve the installation accuracy of door and window, enhance the stability of door and window support, and have the advantage of reusability and stronger adaptability.

The invention relates to the technical field of material prediction, and discloses a concrete pouring site material demand intelligent prediction method and system, and the method comprises the steps: analyzing engineering structure data and design capacity from a pouring part, generating a basic demand list, building a progress sequence according to the accumulated pouring capacity, forming a pouring progress set through combining with the unloading time mark, and carrying out the calculation of the pouring progress set. Comparing the real-time pouring volume with the basic demand list step by step, locking the current structural member, dynamically distributing the theoretical demand quantity of subsequent members by taking the pouring strength correction coefficient of the current member as a constraint to obtain a dynamic consumption rate index, and calculating a safety stock threshold value based on the index and the entering time length of a secondary vehicle. Generating a secondary vehicle scheduling instruction in combination with on-site real-time inventory, updating the material vehicle number and the predicted arrival time of the remaining tasks according to the basic demand list, the pouring progress set and the secondary vehicle scheduling instruction, and generating a dynamic demand list; the method can improve the intelligent prediction efficiency of the material demand on the concrete pouring site.

The invention provides a construction settlement monitoring method and device, equipment and a storage medium, and belongs to the field of tunnel construction monitoring, and the method comprises the steps: obtaining planar settlement data carrying timestamps and construction activity data; dividing monitoring grids, marking space coordinates, and matching two types of data to generate a construction settlement data set; identifying a settlement change rate abnormal section and a differential settlement zone; related time sequence characteristics are extracted, and a correlation coefficient of the construction behavior and settlement abnormity is obtained; and calculating an influence weight based on the correlation coefficient, and determining the construction behavior causing the settlement abnormity. According to the construction settlement monitoring method and device, the equipment and the storage medium, the occurrence probability of construction settlement accidents can be reduced.

The invention relates to the technical field of ceramic product manufacturing, and discloses a rapid color development generation method, device and equipment of ceramic pug and a medium, the method comprises the following steps: obtaining a rendering image of a product to be processed, and extracting a mud color gamut value from the rendering image; extracting color gamut data features by using a feature extraction algorithm, inputting the color gamut data features into a first threshold monitoring model for matching, and determining a reference threshold interval corresponding to the mud blank components and the firing conditions; carrying out shaping and firing treatment according to the reference threshold interval, and obtaining a real-time color gamut value of the outer surface of the pug prototype in the firing process; and dynamically evaluating the sintering state of the pug prototype by using the second threshold monitoring model, and controlling heating termination and cooling according to the sintering state. According to the invention, accurate evaluation of the firing state and intelligent control of heating termination and cooling start are realized, the problems of dependence on manpower, feedback lag and high trial and error cost of a traditional process are effectively solved, the accuracy and consistency of pug color development are improved, and the trial and error frequency and energy consumption are reduced.

The utility model provides a kind of water inlet valve locking device, it is related to bathroom product technical field, including water inlet body, adjusting pipe, snap ring and buckle, the bottom of water inlet body is equipped with multiple elastic parts along circumferential direction, at least one the side wall of the elastic part is formed with limiting portion;The adjusting pipe is inserted in the assembly hole formed by each elastic part, and is connected with the thread in the inner wall of the elastic part;The snap ring is set on the water inlet body, to drive each elastic part to the adjusting pipe side and hold tightly, the buckle is matched with the snap ring, and is inserted or clamped on the limiting portion, to make the snap ring limit along axial direction, so that the water inlet body and adjusting pipe are locked. Improve the problem that existing water inlet valve adjusting structure is prone to looseness.

The invention provides a real-time collaborative Web test capturing method and system based on multi-feature scoring, and relates to the technical field of Web automatic testing. According to the method, the interactive coordinates clicked by the user are obtained, cyclic penetration detection is carried out, and a candidate element sequence is output; then five-dimensional feature quantitative scoring is executed, a scoring result is output to select a target element, a corresponding unique identifier is generated, and a capture event is packaged; a change observer interface is used for monitoring change, and an anti-shake mechanism is combined to perceive the page steady state of the browser, so that when the page is structurally changed or redrawn, a related monitor is awakened, computing power is distributed, a target element is reselected, and a capture event is packaged, and when the page is stable, the capture event is sent to a back-end server. And broadcasting to other cooperation terminals in the same room is facilitated. According to the method, the problems of misalignment of element positioning and low cooperation efficiency can be effectively solved, and efficient real-time cooperation and financial-level data security protection of distributed crowdsourcing testing are realized while system resource loss is reduced.

This invention relates to a rapid, non-destructive testing method and system for lipid content and deterioration degree in red pine nuts based on hyperspectral imaging and deep learning. The invention belongs to the field of non-destructive testing technology for agricultural and forestry product quality and safety. It addresses the problems of existing methods for detecting lipid content and oxidation degree in red pine nut kernels, which generally suffer from complex operation procedures, high costs for large-scale testing, long processing times, and difficulty in achieving full-process testing during storage and transportation. Key technical points: The original near-infrared spectral data of pine nut samples are obtained through hyperspectral acquisition; the true values ​​of lipid reference content and reference degree of oxidation deterioration of pine nut samples at different sampling times are determined, and a database is established based on these values. The original near-infrared spectral data of red pine nuts are preprocessed, and the data from different batches of red pine nut samples are divided into training and validation sets. An improved one-dimensional dilated convolutional network based on a dynamic weight allocation module is designed to construct a deep learning model suitable for the spectral feature analysis of red pine nut kernels. The constructed model is trained using a backpropagation algorithm, and the network weight parameters are updated in reverse by minimizing the loss function. When the constructed model meets the requirements for rapid detection, it can be used for efficient and non-destructive simultaneous detection of lipid content and oxidative rancidity in red pine nuts.

This invention relates to the field of marine water sample detection and control technology, and discloses an automated control system for stratified marine water sample collection, including parameter acquisition, feature recognition, spatial retrieval, and sampling control modules. The feature recognition module uses pressure feedback to convert the medium property sequence into differential features and extracts dynamic control boundaries to offset the heave and oscillation of the controlled detection components. The spatial retrieval module constructs a three-dimensional parametric surface based on the dynamic control boundaries and discretizes it to generate an octree topology space. It establishes a hash map index table that corresponds to the trigger state and the memory addressing base address. By addressing the base address with a single instruction, the algebraic calculation process is eliminated, and the trigger delay jitter caused by the calculation is eliminated. This invention realizes the transformation from fixed depth triggering to active physical and chemical boundary tracking control mode, eliminates instruction lag and decouples spatial fluctuation interference, and ensures that the sampling action is accurately locked to the physical and chemical boundary.