30results about How to "Addressing Adaptive Issues" patented technology

The invention relates to the technical field of bird repelling equipment and image recognition, and particularly discloses an active positioning bird repelling system based on vision and radar fusion. The system comprises a multi-sensor fusion sensing module, a target cooperative processing and positioning module, a dynamic strategy generation module and a multi-mode bird repelling execution module. Through fusion processing of millimeter-wave radar and double-spectrum vision, accurate identification and three-dimensional positioning of a bird target are realized, an optimal bird repelling strategy is dynamically generated based on threat assessment and environmental perception, and directional sound waves and laser are controlled to execute accurate repelling, so that the bird repelling efficiency is improved, and environmental interference is reduced.

The utility model discloses a kind of steel wire rope anchoring devices for cantilevered scaffold, including connecting piece, connecting piece includes screw rod, the front end of screw rod is provided with protruding head, pre-buried sleeve is set on the outside of connecting piece, pre-buried sleeve includes thread section and expansion section, expansion section is located at the front end of pre-buried sleeve, expansion section outside is embedded with clamping plate, steel wire rope connecting block is set in the rear end of screw rod, steel wire rope connecting block includes pressing block and shell, pressing block is set in the inside of shell, spring b is arranged between the bottom of pressing block and shell.The utility model is pressed by pressing steel wire rope connecting block, steel wire rope passes, pressing block is lifted under the action of spring b, so that steel wire rope is clamped by shell and pressing block, so that connecting block can adapt to steel wire rope of different diameters, effectively prevent steel wire rope from sliding, and the expansion joint of expansion section and clamping plate design enhances anchoring force and adapts to concrete slight deformation, improves stability.

The utility model belongs to the field of power cables, and particularly relates to a high-tensile multi-layer stranded power cable, which comprises an inner-layer conductor. The surface of the inner-layer conductor is sleeved with an outer-layer stranded layer, the surface of the outer-layer stranded layer is sleeved with an interlayer buffer layer, the surface of the interlayer buffer layer is provided with a reinforced braid layer, and the surface of the reinforced braid layer is sleeved with a sheath layer; the inner-layer conductor is formed by twisting metal wires, the outer-layer twisting layer is formed by spirally winding metal wires on the outer surface of the inner-layer conductor, the twisting direction of the outer-layer twisting layer is opposite to that of the inner-layer conductor, the interlayer buffer layer covers the surface of the outer-layer twisting layer, and the sheath layer covers the interlayer buffer layer; through the collaborative structural design of the inner-layer conductor, the outer-layer stranded layer, the interlayer buffer layer, the reinforced braid layer and the sheath layer, the comprehensive improvement of the tensile strength, the bending fatigue life and the lightweight level of the cable is realized, the problems of poor mechanical strength and dynamic adaptability are solved, and the economical efficiency and the engineering applicability of the cable are improved.

This invention discloses a blind zone detection method for handheld point cloud scanning based on the interaction between the acquisition area and the boundary, relating to the fields of 3D scanning and point cloud data processing technology. The method first acquires the device pose and local point cloud, preprocesses it, and then transfers it to a global horizontal coordinate system. A boundary feature extraction engine is used to identify room boundary lines and project them to form a 2D boundary contour map. Simultaneously, an effective acquisition loop is dynamically constructed and projected based on the effective measurement range parameters of the laser scanner and the current ambient lighting conditions. Boolean operations are performed on the effective acquisition loop and the boundary contour map to identify uncovered boundary segments as potential blind zones. The occlusion state is determined using the temporal information of continuous frame point clouds and a ray casting algorithm to identify the effective blind zone. This invention reduces the 3D integrity determination to 2D planar geometric intersection, eliminating the need for prior models and enabling real-time identification of dynamic occlusion and acquisition blind zones. This results in high computational efficiency and significantly improves the success rate and coverage integrity of handheld scanning operations.

This invention relates to an automated machining method for circular composite material covers, belonging to the field of functional composite material machining. By identifying the fiber direction through photography and combining it with C-axis positioning at the turning center, the method achieves automated machining of composite materials according to the fiber direction. Integrating an image-based dimensional measuring instrument into the production line enables rapid online full-size inspection. By using a machine tool's internal probe to pre-determine product dimensions and automatically compensate, the method automates first-piece debugging during frequent production changes. Controlling cutting forces through process methods, and precisely controlling clamping forces with small-diameter hydraulic cylinders and gauges, effectively controls the deformation of thin-walled parts. By modifying the chip conveyor to remove large particles and fibers, using multi-stage sedimentation to remove suspended particles, and employing a belt degreaser to remove lubricating oil, the method solves the problem of ensuring the composite material coolant meets emission standards. The process is automated and cost-effective.

This application discloses a vibration damping device for spinning drums in textile machinery, relating to the field of vibration damping technology in spinning machinery. The device includes a rod sleeve, lubricating oil, a threaded rod, a threaded rod buffer tube, a vibration damping spring assembly, and an oil lifting assembly. The vibration damping spring assembly adopts a variable pitch hollow spring body structure with a denser upper section and a sparser lower section. It has multiple oil control sections evenly arranged along the spiral direction of the variable pitch spring body. Each oil control section has an oil inlet hole and a movable membrane fixed outside the oil inlet hole. The movable membrane uses magnetic attraction to open and close the oil inlet hole and adjust the actual opening area of ​​the oil inlet hole during rebound, achieving real-time adaptive control of the oil flow. This enables improved response speed for adaptive oil flow control, enhanced vibration damping consistency due to temperature adaptation, strengthened damping effect for unidirectional flow, effective suppression of simple harmonic motion to improve equipment stability, and optimized cooling efficiency to extend service life.

The invention discloses an intelligent control system for separating and screening barium ore, and belongs to the technical field of industrial process control. The system specifically comprises an ore data acquisition module, a multi-dimensional feature extraction and fusion module, a classifier engine module and a sorting control module, the ore data acquisition module acquires original ore data through a multi-dimensional sensor; the multi-dimensional feature extraction and fusion module performs feature extraction and fusion based on original data; the classifier engine module identifies, classifies and screens the barium ore to form a control instruction based on the fusion features by using a machine learning algorithm; the sorting control module executes a screening action based on the control instruction. According to the method, a solution of combining multi-sensor information fusion and a lightweight machine learning classifier is utilized, and technical guarantee is provided for precise separation of barium ore and self-adaptive control.

The utility model discloses a self-adaptive adjusting broken bridge type heat preservation and decoration integrated wall formwork which comprises a facing layer, the facing layer and an outer wall formwork are arranged in parallel, a heat preservation layer is arranged between the facing layer and the outer wall formwork, and the facing layer, the heat preservation layer and the outer wall formwork are connected through a self-adaptive adjusting device to form an integral structure. The wall formwork further comprises an inner wall formwork, the inner wall formwork and the outer wall formwork are arranged in parallel, one end of the self-adaptive adjusting device is connected with the outer wall formwork, the other end of the self-adaptive adjusting device is connected with the inner wall formwork, a heat bridge blocking space is formed between the inner wall formwork and the outer wall formwork, and the heat preservation layer is made of rock wool or glass wool or polystyrene board heat preservation materials. The facing layer is made of argil thick plates or stone materials, and the outer wall formwork and the inner wall formwork are both made of concrete.

The utility model discloses a filling device of calcium stearate production, including filling support frame, two groups of protective side plates are installed on the filling support frame upper end, and the belt conveyor is installed between two groups of protective side plates, and the mobile clamping assembly is installed on two groups of protective side plates all, and the auxiliary support underframe board is installed in filling support frame both sides, and the vertical support rod is installed on the auxiliary support underframe board upper end, and the protective top board is installed on the vertical support rod upper end, and the adjustable filling assembly is installed on the protective top board, and the linear motor that includes the mobile sliding block that is installed on the protective side plate side end top is included in the mobile clamping assembly, and the output of linear motor installs. The utility model has the advantages of automatic conveying and clamping container and can adjust the filling height, and the filling efficiency of calcium stearate is improved significantly.

This invention provides a flexible vehicle body assembly system and a vehicle body manufacturing production line, belonging to the field of vehicle body manufacturing technology. The flexible vehicle body assembly system can interface with intelligent vehicles and their bodies, including an assembly station, a lower body positioning device, a side positioning device, a rear positioning device, and a sliding device. The assembly station includes two bases, each with a first and a second column. The two lower body positioning devices are symmetrically distributed on both sides of the intelligent vehicle, and at least partially located on the inner sides of the two bases. The side positioning devices are connected to the first and second columns of the same base, and the rear positioning devices are connected to the two second columns. The sliding device is connected to the base to adjust the relative positions of the two first columns, the two second columns, and the first and second columns. This invention can establish a global coordinate vehicle body positioning system, providing high-precision positioning for different vehicle models, improving the accuracy of assembly dimensions, and enabling cross-architecture vehicle mixed-flow production.

The application discloses an energy efficiency optimization method and system of an irrigation area, a storage medium and an electronic device, and relates to the field of intelligent irrigation. The method comprises the following steps: acquiring crop information and soil information of each sub-area in an irrigation area, wherein the irrigation area is communicated with branch pipes of each sub-area through a main pipe; for any sub-area, determining an irrigation amount and an irrigation priority required by crops in the sub-area according to the crop information and the soil information; and generating a first irrigation plan of a connected area according to the irrigation amount and the irrigation priority of each sub-area, wherein the connected area is composed of at least two sub-areas, and the first irrigation plan comprises an irrigation mode of irrigating crops in each sub-area in the connected area at different time periods. The technical scheme provided by the application can realize overall energy efficiency optimization of an irrigation system.

This invention proposes a method and engine for building a scalable low-code scenario engine, belonging to the field of code platform engines. In this method, heterogeneous tasks are uniformly abstracted into event nodes with the same metadata structure, and corresponding metadata descriptions are defined. When the front-end orchestration canvas needs to add an event node, the configuration form corresponding to the metadata description of that task type is obtained. The configuration form data is assembled into a JSON configuration object that conforms to the metadata description definition, and the JSON configuration object is saved to a database and a Redis cache. When the task processor executes an event node, the corresponding JSON configuration object is read. Based on the predefined task type information, the configuration parameters required to execute the task are dynamically extracted from the corresponding JSON configuration form. Based on the configuration parameters required for that task type, the corresponding task is executed, improving the scalability and adaptability of the low-code scenario engine.

This application proposes a sensor control method and system for intelligent terminals based on ant colony optimization (ACO) algorithm. The method includes: determining scene nodes and their characteristics, and task priorities along a route; determining the current scene node; controlling each intelligent terminal to periodically broadcast via a low-power communication module; evaluating the efficiency-to-energy ratio and mapping the results to pheromone concentration in the ACO algorithm; selecting intelligent terminals as detection nodes; and controlling the detection nodes to generate sensor schemes and perform detection according to these schemes. This application achieves scene-based, refined, and adaptive sensor control through the synergy of scene adaptation, dynamic evaluation, intelligent point selection, and refined control. This ensures precise matching of sensor control strategies with environmental requirements, guarantees a dynamic balance between energy consumption and accuracy, and optimizes sensor resource allocation, comprehensively improving the accuracy, adaptability, and energy economy of intelligent terminal sensor control.

The application provides a wing-body fusion back support engine reverse thrust device capable of inhibiting air intake distortion, which comprises a ring-shaped reverse thrust vane located on the inner side of a back support engine nacelle cover and reverse thrust flow guiding plates located on the two side surfaces of a back support engine nacelle support. When reverse thrust is needed, with the increase of the unfolding angle of the flow guiding plates, the hindering effect of the flow guiding plates on the forward movement of the reverse thrust air flow is more and more significant, so that the air intake quality of the turbofan engine during the reverse thrust work is ensured; in addition, the flow guiding plates also have the interference effect on the air flow similar to that of a spoiler, so that the form resistance is increased, which is beneficial to the faster deceleration of the airplane. The application effectively solves the adaptability problem of the reverse thrust device and the wing-body fusion back support engine, inhibits the occurrence of air intake distortion, strengthens the braking effect of the reverse thrust device, and guarantees the flight safety of the wing-body fusion back support engine layout.

This utility model discloses a support device for deep trench excavation, comprising multiple support modules that can be detachably stacked. Each support module includes: a pair of parallel support walls, multiple hydraulic telescopic rods, and fixing components. The outer wall of the support wall abuts against the sidewall of the trench, and the inner wall of the support wall has multiple vertically arranged slide rails. The ends of the hydraulic telescopic rods slide in engagement with the slide rails, and both ends of each hydraulic telescopic rod slide in engagement with two slide rails of the two support walls respectively. The fixing components allow for detachable and fixed connection between the ends of the hydraulic telescopic rods and the slide rails. This design solves the problem of poor adaptability of existing support devices to trench depth and width.

The invention provides a method for producing a high-yield clean aromatic-rich raw material, the clean aromatic-rich raw material and a system for producing the high-yield clean aromatic-rich raw material, in the method, atmospheric and vacuum distillate oil is added into catalytic slurry oil, so that not only can a dilution effect be achieved, but also a dissolution effect can be achieved, and after the catalytic slurry oil is dissolved, the high-yield clean aromatic-rich raw material is obtained. Solid particles adsorbed on aromatic-rich components, colloid and asphaltene in the catalytic slurry oil are dissolved and dispersed, filtering is easy, light components and concentrated aromatic-rich components can be removed through subsequent distillation of solid-removed slurry oil, and the finally obtained clean aromatic-rich raw material is low in solid content and high in aromatic hydrocarbon content by combining the steps of hydrofining and the like. The catalyst can be used as a raw material for producing mesophase pitch or petroleum coke or chemical products. The method for producing the high-yield clean aromatic-rich raw material provided by the invention has no limitation on solid particles and the content of the solid particles in the oil slurry, and also can be used for processing catalytic oil slurry of a high-solid and high-viscosity system.

The present application belongs to the technical field of tunneling device, and provides a tunable frequency self-vibration pulse cavitation jet nozzle and combined rock breaking tunneling equipment thereof. The tunable frequency self-vibration pulse cavitation jet nozzle comprises an upper nozzle and a lower nozzle, a plurality of first connecting pieces are arranged on the outer circumferential surface of the upper nozzle, a plurality of second connecting pieces are arranged on the lower nozzle, and the first connecting pieces are connected with the second connecting pieces to form a self-vibration cavity between the upper nozzle and the lower nozzle. The axial cavity length of the self-vibration cavity is determined by adjusting the distance between the first connecting pieces and the second connecting pieces. The lower nozzle adopts a contraction-expansion type cavitation nozzle. The self-vibration pulse cavitation jet nozzle is adjustable, the jet frequency is changed by adjusting the axial cavity length of the nozzle, so that the equipment has a wider frequency selection range when facing different rock bodies, and can adapt to the frequency optimization problem of the TBM under different rotating speeds.

The application discloses a kind of based on time series filtering aquaculture area extraction method.The method includes: obtaining multi-temporal optical image data to target area and pre-processing, constructs time series image dataset;Sample dataset for aquaculture area extraction model training is constructed;A kind of aquaculture area extraction model with hierarchical progressive characteristics and spatial adaptive capacity is constructed;Model training learns the spatial structure characteristics and time evolution characteristics of aquaculture area, obtains aquaculture area initial mask;Time series filtering processing is executed, through constructing time sequence stability discrimination mechanism, transient noise is inhibited, and the extraction result of time series consistent aquaculture area is obtained;Change analysis module of aquaculture area is constructed, and the spatial distribution of aquaculture area in different time phases is automatically compared and analyzed, and the boundary extraction and spatial area quantitative representation of each time phase aquaculture area are obtained.The present application can effectively alleviate the problem of spectral confusion and space-time change interference, improve the stability and reliability of aquaculture area extraction result in time dimension.

The application relates to a component replacement selection method and system for supply chain cooperation. The method comprises the following steps: obtaining a candidate replacement set of electronic components based on a dynamic knowledge graph; responding to a component state change event; calculating the matching degree between each component in the candidate replacement set and the technical demand according to the target application scene by using an adaptive weight model, and performing effectiveness verification on the calculation result; integrating real-time supply chain data for collaborative optimization; outputting the replacement selection recommendation result after optimization and sorting, and iteratively updating the dynamic knowledge graph and the adaptive weight model based on user feedback. The application realizes scene-based parameter matching by updating the candidate replacement set in real time through the dynamic knowledge graph, and realizes multi-objective optimization by integrating supply chain data, solves the problems of static graph update delay, poor adaptability of the fixed weight model and disconnection of the supply chain data, and has the advantages of improving the real-time performance and scene adaptability of the replacement scheme.

The invention discloses a vehicle network interaction-oriented multi-source heterogeneous data semantic fusion method and system, and the method comprises the steps: processing the multi-source heterogeneous data of a vehicle, a charging facility and a power grid system into a standardized data flow; an electric vehicle, a user, a charging pile, a charging station, an operator, a power grid area, a charging session and a travel segment are combined to serve as a vehicle network interaction field knowledge graph of a core entity type, and a comprehensive confidence score of a standardized data flow is calculated from name similarity, structure similarity, instance similarity and user portrait behavior feature similarity; and the similarity model and the knowledge graph are fed back and trained, so that the problems of semantic ambiguity and self-adaption in multi-source heterogeneous data fusion in the vehicle network interaction field are solved.

The invention relates to the technical field of bird repelling machines, and discloses a rail type bird repelling machine device which comprises a suspension guide rail structure and an installation disc arranged on the suspension guide rail structure, a driving structure matched with the suspension guide rail structure is arranged on the top face of the installation disc, and a fixing rod is fixedly installed on the bottom face of the installation disc. A control box is rotatably installed at the bottom end of the fixing rod, and a bird repelling loudspeaker is fixedly installed on the bottom face of the control box. Through cooperative control of four sets of sealing shells and a winding and unwinding motor, the space position of a suspension rope can be flexibly adjusted, the moving path of the mounting disc is driven to change adaptively, the single-side coverage limitation of traditional rail type bird repelling equipment is broken through, meanwhile, the bird repelling assembly can rotate by 180 degrees along the center axis of the mounting disc, and the bird repelling effect is improved by combining linear movement of the mounting disc. The blind-angle-free coverage of the whole space on the two sides of the moving path is achieved, the technical problems that the bird repelling range is insufficient and a blind area exists in a complex scene are solved, and the adaptability of equipment to a large-area bird repelling area is improved.

The application belongs to the technical field of building construction, and particularly relates to a modular building updating construction method, which comprises the following steps: step one: retaining an old building core load-bearing column net, reinforcing and treating and installing embedded parts to form a stable foundation base; the modular building updating construction method is provided with a jacking mechanism, a jacking electric push rod drives an installation plate to provide power, a multistage rectangular telescopic rod limits the rotation freedom of the installation plate, protects the push rod from lateral force, the installation plate is connected with a ball joint base ball socket end, a push plate is connected with a ball head end, if the module surface is inclined, the ball head rotates to drive the push plate to deflect and adhere, point-line contact is converted into surface contact, the area is increased to disperse the pressure, stress concentration is avoided, and the module or the push plate is prevented from slipping, and the technical problem that the jacking machine is directly jacked by rigid connecting plates or simple jacks in the prior art, but the rigid contact causes uneven stress and forms stress concentration is solved.

The utility model discloses a movable operation platform with a ground self-adaption function, and belongs to the technical field of high-place operation auxiliary equipment. The bottom of the supporting vertical rod is inserted into the mounting sleeve, so that the movable chassis is connected with the scaffold; the scaffold ensures the stability of the working plate through the matching of the cross supports and the cross rods; a self-locking wheel structure is designed at the bottom of the scaffold, so that the working platform can be conveniently switched between a moving state and a static state; the shaking risk caused by the self-locking wheels is balanced through the auxiliary supports, and when the locking function of the self-locking wheels is not stable, the auxiliary supports can also make contact with the ground through the auxiliary supports, so that shaking of the whole movable operation platform is avoided; the scaffold can be better attached to the ground through the adjustment of the telescopic supporting legs of the auxiliary support; the auxiliary support is stably connected with the scaffold through the triangular support; the problems that an existing movable working platform is poor in ground adaptability and supporting reliability are solved.

The utility model relates to bird repelling device technical field discloses a kind of electric power facility bird repelling device, including hanging plate, and the one side of hanging plate is fixedly connected with carrier plate, and carrier plate is fixedly connected with shaft seat on, and shaft seat is fixedly connected with stand in, and self-rotating mechanism is arranged on stand, and self-rotating mechanism includes lower sleeve seat, and lower sleeve seat is movably connected on stand, and lower sleeve seat top is fixedly connected with top cover, and top cover top is fixedly connected with thin cover, and the stand located in lower sleeve seat is also fixedly connected with first bevel gear. Without external power, rely on high-altitude wind power to drive fan blade to make lower sleeve seat rotate, further let reflector simultaneously realize the revolution of stand as axis and rotation of rotation shaft, substantially broaden the reflection coverage, eliminate the bird blind area of traditional device, simultaneously, third bevel gear drives second bevel gear and insert block rotation, makes knock ball cyclic knock connection pipe, again through thin cover resonance amplification sound, even in cloudy day, night etc. Weak light environment, also can effectively drive bird through sound.

The invention particularly relates to urban rail transit engineering field section concrete pouring equipment which is connected with an external concrete storage device and comprises a positioning ring, a transfer cylinder and a pouring cylinder. The positioning ring is provided with a plurality of transmission rods serving as supporting legs, and walking pulleys are arranged at the bottom end. And a guide rail is arranged on the outer wall of the transfer cylinder. A feeding hole is formed in the top of the transfer cylinder and connected with an external conveying pipe. The pouring cylinder is arranged in the transfer cylinder, a discharging pipe is arranged at the bottom and penetrates through the sleeve, and the sleeve supports the discharging pipe and allows rotation. The sleeve is connected with the driving assembly to drive rotation, and the vibrating mechanism is arranged below the pouring barrel and connected with the driving assembly. The top end of the transmission rod is connected with a rotating shaft of the positioning ring to realize integral movement and positioning of the equipment, and the scraper removes concrete in a fit clearance to ensure normal operation of the equipment. The device has the advantages that the problem of concrete discharging blockage is solved through centrifugal force generated by rotation of the inner pouring barrel, and the device is flexibly positioned and adapts to the precise pouring requirements of special construction scenes and the like.

The present application relates to the technical field of tunnel engineering safety monitoring, comprising a dome curved surface sensor array module, a dynamic wave velocity field modeling module, a microseismic event space-time strong positioning module and a fracture risk intelligent early warning module. The dome curved surface sensor array module is used to construct a "dome-wall" three-dimensional monitoring network; the dynamic wave velocity field modeling module is used to dynamically update the three-dimensional anisotropic wave velocity field by using tunneling blasting and active seismic source; the microseismic event space-time strong positioning module is used to realize high-precision positioning and focal mechanism calculation in anisotropic medium; the fracture risk intelligent early warning module is used to extract multi-dimensional physical precursors such as energy release rate, fracture volume fractal dimension and focal mechanism consistency, and to output graded early warning through Bayesian network fusion. The present application solves the problems of signal collection distortion, poor adaptability of wave velocity model and single early warning mechanism, and realizes accurate monitoring and intelligent early warning of dome rock mass fracture risk.

The invention discloses an automatic sorting system and method for ship group vertical rib plates based on a zero sample segmentation model. The method comprises the steps that two-dimensional images and three-dimensional point cloud data of disorderly stacked rib plates are collected; inputting the two-dimensional image into an SAM model to generate an initial segmentation mask; performing multi-stage filtering and optimization processing on the initial segmentation mask, and screening out a final two-dimensional segmentation mask of the target rib plate; the datum line and the code spraying character information of the surface of the rib plate in the final two-dimensional segmentation mask area are recognized, and the grabbing position and the model of the rib plate are determined; fusing the mask with the three-dimensional point cloud data, and extracting a point cloud cluster of the target rib plate; pose estimation is conducted on the point cloud cluster, a grabbing pose is obtained through calculation and sent to a controller, and a mechanical arm is driven to execute grabbing operation; a computer vision technology is combined with a traditional geometric calculation method, an automatic sorting system from visual perception, target recognition and pose estimation to grabbing execution is constructed, and dependence on labeled data is reduced.

The invention discloses a non-contact bank card POS transaction real-time risk control system and risk control method based on rule and MLP neural network collaboration, and the method comprises the steps: presetting a data collection point at a bottom layer of an EMV transaction kernel, and obtaining the time sequence behavior data of a transaction process; constructing a multi-dimensional risk feature vector based on the data; performing parallel analysis by using an MLP model deployed in a terminal security area and a rule engine; outputting a final risk control instruction through a preset decision fusion strategy; meanwhile, an end-cloud collaborative data closed loop is established, data collected by a terminal is transmitted to a cloud end, continuous training and model parameter updating of a model are supported, millisecond risk interception in a non-network connection or high-delay sensitive scene is achieved, the dynamic adaptive capacity to a novel fraud mode is improved through a continuous evolution mechanism, and the risk interception efficiency is improved. The technical defects that a traditional risk control scheme is high in response delay and insufficient in terminal side defense capability are effectively overcome.

The invention provides a steel rail surface defect detection system and method based on a diffusion model. The system comprises an image acquisition module and a steel rail surface defect detection network MP-Diff, the image acquisition module inputs an acquired steel rail surface image into MP-Diff, and the MP-Diff outputs a steel rail surface defect segmentation result; a VCDNet in MP-Diff comprises an ACDCNet and a decoder, the ACDCNet comprises a segmentation module SAM and a lightweight hybrid module SMT, an original steel rail surface RGB image and a noise mask are input into the SMT, visual prompt features output by the SMT are input into the SAM, features output by the SAM and the SMT are fused and then input into the decoder, and defect segmentation is carried out in the decoder. According to the technical scheme, the problems that in the prior art, a steel rail surface defect detection method cannot recognize early-stage defects, the false detection rate is high, the segmentation precision is low, and the generalization ability is weak are solved.

This invention discloses a base liquid-type temperature-controlled viscosity-changing diverting agent and its preparation method, belonging to the field of oil and gas extraction technology. The temperature-controlled viscosity-changing diverting agent comprises the following components by mass fraction: 25%–30% cationic monomer, 1%–2.5% acrylamide, 1%–2% vinylpyrrolidone, 0.08%–0.1% initiator, 1%–2% chain transfer inhibitor, 20%–25% white oil, 2%–4% emulsifier, and the remainder being water; wherein the cationic monomer is one or more of trimethylaminopropylmethacrylamide chloride and acryloyloxyethyltrimethylammonium chloride. The temperature-controlled viscosity-changing diverting agent provided by this invention, through the synergistic compounding of the above components, can be used to formulate diverting acids for acidizing, effectively solving the problems of limited temperature resistance and adaptability of existing conventional diverting acid systems, and the low dispensing efficiency of conventional temperature-controlled viscosity-changing thickeners. In acidizing operations, it effectively improves the viscosity-changing diverting capability of the acid system and enhances the effectiveness of the measures.