12results about How to "Resist interference" patented technology

The application discloses a water body extraction method based on combined water body index frequency, comprising the following steps: S1, acquiring remote sensing image data and pre-processing the remote sensing image data; S2, constructing a water body index and constructing an instantaneous water body extraction decision tree model according to the water body index; S3, performing instantaneous water body pixel recognition and extraction according to the instantaneous water body extraction decision tree model, discriminating the water body and preliminarily determining the average water body; S4, extracting the water edge line by using a Canny edge detection method, and determining the average water body extraction result according to the output water body pixel value, the edge detection and the boundary elimination result. The application can realize average water body extraction based on dense long-time sequence images, improve the water body extraction precision, improve the effectiveness of water body extraction in the building shadow and terrain shadow noise environment, resist the interference of the cirrus cloud noise in the single image, and make the large-scale and long-time sequence water body extraction more universal.

This invention discloses a method for locating the sub-pixel intersection point of two straight lines based on robust estimation and local refinement, comprising the following steps: S10, defining the Region of Interest (ROI) and extracting sub-pixel edges at multiple scales; S20, initial fitting of the straight lines based on robust estimation; S30, refining the intersection region and assessing uncertainty. This invention achieves intersection point location accuracy superior to the pixel level; significantly reduces the impact of abnormal edge points, missing local edges, and interference near the intersection point on the location results; has a high degree of automation, reducing reliance on manual parameter adjustments; and can output the intersection point coordinates while providing an estimate of its location uncertainty, providing a decision-making basis for downstream applications.

This invention discloses a method, system, and device for identifying the working state of forging operations, relating to the field of industrial automation technology. The method includes: S1 acquiring multi-view images of the working area; S2 detecting core production components and auxiliary operation-related objects using a YOLOv11 target detection model; S3 generating multi-dimensional instantaneous state codes and mapping them to basic states; S4 constructing a state time series and analyzing the macroscopic working state using a hierarchical state machine; and S5 outputting state and statistical information. This invention supplements the YOLOv11 loss function, instantaneous state encoding, and state transition algorithm formulas, solving the problems of incomplete state definitions, missing transition state identification, and inability to finely identify auxiliary operations in existing technologies. It achieves accurate and robust identification of the entire forging production process, providing data support for lean production management, with low deployment costs and strong scalability.

The utility model discloses a rice fish comprehensive breed field fish class habitat sheltering device, concretely relates to aquaculture technical field, including sheltering shell, and the both ends of sheltering shell are connected with the habitat shell, and one habitat shell top fixedly connected with sunshading board, and the bottom of another habitat shell is fixedly connected with connecting plate, and the one side of sheltering shell and habitat shell is equipped with the entrance, and the other side of sheltering shell and habitat shell is equipped with the export, and the inside of sheltering shell and two habitat shells are fixedly connected with a plurality of baffle, and the inside of sheltering shell and habitat shell is penetrated with the feeding pipe. The utility model discloses through setting up feeding subassembly and installing mechanism, can combine feeding with oxygen -enrichment, can carry out oxygen -enrichment simultaneously in the feeding process, and sufficient water dissolved oxygen content helps fish to keep active feeding state, and simultaneously through the spiral effect of spiral blade can increase the contact area of field soil, help to keep the good stability of sheltering shell and two habitat shells in the use process.

The application relates to a gas stove and a burner thereof. The burner comprises an ejector pipe group and a damper end plate. The ejector pipe group has an air inlet end and an air outlet end, and a booster hole is arranged in the side wall of the ejector pipe group close to the air inlet end; the damper end plate is arranged at the air inlet end of the ejector pipe group, and a primary air inlet hole and a gas hole are arranged in the damper end plate. External air can be sucked into the ejector pipe group through the booster hole and the primary air inlet hole at the same time, the booster hole is used for increasing the air intake amount, facilitating further promotion of combustion, improving the combustion efficiency and reducing the CO emission amount. The booster hole is arranged in the side wall of the ejector pipe group close to the air inlet end, and the primary air inlet hole is arranged on the damper end plate, that is, the air flow direction of the air entering from the booster hole is different from the air flow direction of the air entering from the primary air inlet hole. Therefore, when the two air flows flow into the ejector pipe group at the same time, the two air flows collide and mix, the air and the gas are fully mixed, the combustion efficiency is improved, and the CO emission amount is reduced.

This utility model discloses an inflatable wind turbine transport anti-collision airbag structure, including a transfer frame, a clamping airbag mechanism, a position fixing mechanism, and a stabilizing mechanism. The clamping airbag mechanism includes a longitudinal plate and a mounting plate. The position fixing mechanism includes a clamping tube and a clamping rod. The stabilizing mechanism includes a threaded ring and a clamping ring. Through the cooperation of the longitudinal plate, the mounting plate, and the guide rod, the airbag assembly can slide laterally and adjust its position, achieving flexible clamping and buffering of the wind turbine equipment. It can adapt to equipment of different sizes and shapes, effectively reduce the impact force during transportation, and protect the equipment. Through the meshing and limiting structures such as the clamping tube, clamping rod, internal toothed ring, embedded teeth, and connecting teeth, combined with the cooperation of the rotating plate, positioning spring, and positioning hole, the position of the airbag assembly is accurately locked, preventing loosening and displacement during transportation and improving reliability.

This utility model relates to the technical field of TPU film production lines, specifically a tension adjustment device for a TPU film production line, comprising: a tensioning assembly, which includes a frame; and an adjustment assembly, located on the top of one side of the frame, including a mounting frame, an electric push rod, a connecting plate, and a movable column. The mounting frame is fixed at both ends of one side of the upper surface of the frame, and two sets of mounting frames are provided. The electric push rod is fixed on the other side of the upper surface of any set of mounting frames, the connecting plate is fixed to the output end of the electric push rod, and the movable column is fixed to the upper surface of the connecting plate. It also includes a reinforcement assembly located inside the mounting frame on one side. This utility model features a simple structure and reasonable design. The electric push rod provides rapid vertical adjustment capability, and the ball screw-driven limit column achieves precise locking. The combination of these two features not only ensures micron-level precision in tension adjustment but also increases the device's effective speed by 50%.

This invention relates to the field of water-saving valve technology and discloses a combined valve structure with a self-locking function, comprising a main body, a motor fixedly connected to the bottom of the main body, a water inlet pipe fixedly connected to the rear side of the main body, a water outlet pipe fixedly connected to the side of the main body away from the water inlet pipe, a central control unit fixedly connected to the top of the water outlet pipe, a top assembly fixedly connected to the top of the main body, a rotating assembly rotatably connected to the inner wall of the main body via bearings, and a first outer shell fixedly connected to the bottom of the water outlet pipe. By setting a first filter screen and a first outer shell, impurities such as iron filings, silt, and suspended solids mixed in with the water can be effectively filtered during irrigation. At the same time, by utilizing the inclined angle design of the first filter screen, impurities automatically slide along the inclined surface of the filter screen into the first outer shell for collection under the impact of water flow, instead of accumulating on the surface of the filter screen. This increases the storage capacity of impurities, delays the filter screen clogging cycle, and reduces the frequency of manual cleaning.

The utility model discloses an IGBT leakage current detection and current limiting protection circuit based on dynamic feedback regulation belongs to power electronic device detection technical field, including the current given circuit for setting protection threshold value, the push -pull output circuit for driving current limiting protection pipe, the gear switching circuit for adjusting different current detection gear, the current detection circuit for detecting leakage current in the circuit, the output of current given circuit is connected with the input of push -pull output circuit, the output of push -pull output circuit is electrically connected with current limiting protection pipe, the output of the IGBT pipe of being measured is connected current limiting protection pipe, and the output of current limiting protection pipe is connected current given circuit and gear switching circuit respectively, and the feedback resistance is established between current limiting protection pipe and current given circuit, the output of gear switching circuit is connected current detection circuit, has solved the problem that present technical cannot cope with microsecond breakdown fault, and high pressure is directly used to the operational amplifier and causes the irreversible damage of detection circuit.

The application discloses a feedback-driven high-orbit satellite cooperative observation task planning iteration method, which comprises the following steps: based on the data of the space target to be observed, the data of the high-orbit satellites participating in the cooperative observation, planning optimization parameters and satellite resource constraints, a structured cooperative observation scheme is generated through a multi-objective optimization algorithm, and is distributed as a ground center retained scheme and a satellite exclusive observation instruction package; based on the observation instruction package and the on-orbit dynamic state, the instruction execution and dynamic adjustment observation action are carried out, the observation results, the cooperative state and the resource consumption data are synchronously and real-timely collected, and the on-orbit execution data set is output; a quantitative index system of the point target detection rate, the multi-satellite cooperation degree and the load resource waste rate is constructed, and the performance bottleneck is identified, and the feedback index and the bottleneck analysis result are generated; based on the PID control thought, a quantitative mapping model of the feedback index and the planning parameter is established, the quantitative mapping of the feedback information and the strategy adjustment is realized, and the planning optimization parameter set is output.

The present application relates to a kind of collagen detection index abnormality identification method and equipment, belong to artificial intelligence technical field.It includes the following steps: original collagen detection index data is collected, forms original collagen characteristic matrix;Original collagen detection index data is adaptively preprocessed, and normalized characteristic matrix is obtained;Normalized characteristic matrix is mapped to high-dimensional multiscale feature space, and collagen damage degree perception matrix is obtained;Collagen damage degree perception matrix and normalized characteristic matrix are input into pre-trained collagen detection index abnormality identification model, and abnormality identification result is obtained.The present application can effectively improve the robustness, accuracy and explainability of collagen detection index abnormality identification.

The application relates to a flexible switchable Euphausia superba intelligent sorting method and device, and belongs to the technical field of aquatic product processing and automatic equipment. The application not only realizes high-precision instance segmentation and flexible reference calculation of Euphausia superba through improvement of a deep learning network and a self-adaptive statistical decision model, but also creatively seamlessly converts a dynamic grading signal generated by front-end vision into a physical driving instruction of a servo motor, so that the rear-end spacing of a longitudinal involute sorting pipe is opened and closed in real time and automatically. The application establishes an intelligent linkage closed loop of "visual perception-dynamic decision-physical execution", can automatically and flexibly adjust a physical sorting channel according to real statistical characteristics of batches of materials, and realizes real flexible nondestructive intelligent grading.