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9results about How to "Realize accurate detection" patented technology
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A branch track merging system of a traditional Chinese medicine outer packaging production line
This utility model belongs to the field of automated production line equipment, and particularly relates to a branch track merging system for a traditional Chinese medicine outer packaging production line. It includes: two independent conveyor belts, one merged conveyor belt, a linear motion mechanism, a vertically moving cylinder, a gripping stop, and two material detection photoelectric sensors. The two independent conveyor belts transport medicine boxes to be merged; the merged conveyor belt receives and transports the merged medicine boxes; the gripping stop is used to grasp and release the medicine boxes; the two material detection photoelectric sensors are respectively installed at the ends of the two independent conveyor belts to detect the presence of medicine boxes. This branch track merging system for traditional Chinese medicine outer packaging production line can achieve precise detection, pushing, and merging operations of paper boxes. The system can automatically complete the merging of branch tracks according to set parameters such as quantity, delay time, and speed, reducing paper box damage, improving production efficiency, and reducing production costs.
Owner:TIANJIN HORUS CANDK PHARMA CO LTD
Downhole instrument creep detection method based on multi-source sensor fusion
PendingCN122258872ARealize accurate detectionEliminate time lag errorMagnetic field measurement using flux-gate principleNavigation by speed/acceleration measurementsAccelerometerGyroscope
The application discloses a downhole instrument creep detection method based on multi-source sensor fusion and relates to the technical field of oil and gas well engineering, which comprises the following steps: obtaining sensor data of a target instrument in a target downhole preset period and preprocessing the sensor data to obtain preprocessed sensor data; performing magnetic interference detection based on the preprocessed sensor data to obtain a first detection result; performing multi-source joint likelihood ratio test based on the first detection result and the preprocessed sensor data to obtain a second detection result; when the second detection result meets the requirements, performing accelerometer variance detection and fiber-optic gyroscope output energy detection based on the preprocessed sensor data to obtain a third detection result; when the third detection result meets the requirements, constructing a long-period observation window and obtaining a second variance based on the preprocessed sensor data; and determining a creep termination time based on the second variance and the long-period observation window. The application realizes sensitive capture of small creep movement of a downhole instrument and further obtains an accurate creep time of the downhole instrument.
Owner:BEIHANG UNIV
A product hole position detection device
ActiveCN224285714URealize accurate detectionImprove adaptabilityMechanical measuring arrangementsClassical mechanicsStructural engineering
Owner:DONGGUAN XINGHUA PRECISION TECHNOLOGY CO LTD
High-precision detection equipment with feeding mechanism
ActiveCN224410706UReduce mechanical resonance transmissionIsolate vibration interferenceControl engineeringElectric machinery
The utility model discloses a high accuracy detection equipment with feeding mechanism, including base and detection seat, the top of base is fixed with detection seat, one side of detection seat is provided with the stand, the middle part welding of stand has a plurality of layers of partition board, the top of partition board places the raw board. This high accuracy detection equipment with feeding mechanism drives first screw rod to rotate through first motor, drives first sliding block to move along first sliding slot transversely, realizes the positioning of feeding mechanism in horizontal direction, drives second sliding block to move along second sliding slot vertically through the rotation of second screw rod driven by second motor, realizes accurate material taking and material discharging of feeding plate in vertical direction in combination with the telescopic action of electric telescopic link, can take out raw board from the partition board of stand automatically, and accurate conveying to detection seat carries out high accuracy detection, significantly improves detection efficiency and automation level, reduces manual intervention error.
Owner:NANTONG TENGYI PRECISION TECHNOLOGY CO LTD
A Gravity Flow Deposition Film for Core Particles, Its Preparation Method and Application
ActiveCN119534258Baccurate analysisImprove accurate captureGeneral water supply conservationPermeability/surface area analysisChemical physicsNanoparticle
This invention provides a core particle gravity flow deposition film, its preparation method, and its application. The preparation method includes the following steps: (1) grinding and screening core particles sequentially to obtain core nanoparticles; (2) mixing water and the core nanoparticles obtained in step (1) to obtain a suspension; (3) transferring the suspension obtained in step (2) to a solid matrix plate, allowing it to settle, and drying to obtain the core particle gravity flow deposition film. The core particle gravity flow deposition film provided by this invention can achieve accurate analysis of reservoir core permeation characteristics and has broad application scenarios in the field of reservoir wettability and permeation research.
Owner:PETROCHINA CO LTD
An AI-controlled system for preventing swaying and ensuring smooth operation of overhead cranes carrying heavy loads.
PendingCN122079011AHave forward-looking capabilitiesRealize accurate detectionTrolleysControl systemControl engineering
This invention relates to the technical field of crane control, and in particular to an AI-based control system for the stable operation of a gantry crane to prevent swaying of heavy loads. The AI-based control system for the stable operation of a gantry crane to prevent swaying of heavy loads provided by this invention includes a gantry crane, a hoisting mechanism mounted on the gantry crane, and a lifting device mounted on the lifting end of the hoisting mechanism. It also includes: a sway detection device, comprising multiple sway sensors mounted on the lifting device and a load sensor mounted on the hoisting mechanism; a data processing device connected to the sway detection device; an AI control device connected to the data processing device; and an execution device connected to the AI control device and the gantry crane. The execution device adjusts the motion state of the gantry crane according to the crane control commands to achieve sway suppression. This invention effectively solves the problem of lag in traditional sway control response and significantly improves the accuracy and reliability of sway control.
Owner:HEBEI KUNDA LIFTING EQUIP CO LTD
A small sample multi-scale spatial fragment target detection method based on illumination transfer
PendingCN122199901ARealize accurate detectionImprove robustnessCharacter and pattern recognitionBiological models
The embodiment of the application provides a small sample multi-scale space debris target detection method based on illumination migration, which comprises the following steps: collecting an image to be processed; identifying space debris in the image to be processed based on a preset space debris detection model; the space debris detection model is used for multiple feature extraction, in each feature extraction, multi-scale features are extracted first, and then based on global average pooling and attention mechanism, the correlation between the features and the background of the image to be processed is strengthened to obtain first features; based on a gating residual mechanism, the illumination component in the first features is identified; according to the illumination component, the detection threshold of the gating unit is adjusted; according to the detection threshold, second features are obtained; based on the first features and the second features, feature fusion is performed to identify the space debris. The technical scheme provided by the application is used to solve the problems of high detection difficulty, low detection precision and large calculation amount in the prior art.
Owner:PLA PEOPLES LIBERATION ARMY OF CHINA STRATEGIC SUPPORT FORCE AEROSPACE ENG UNIV
A portable ultraviolet spectrometer
The utility model discloses a portable ultraviolet spectrometer relates to the technical field of ultraviolet spectrometer, including the carrying box, is composed of the box and the cover, the object stage is located in the box, the adjusting assembly includes the rotating frame, is located in the cover through the pivot rotation, and the first set of axle is equipped with in its end, the adjusting frame is hingedly installed in the cover, the utility model has the beneficial effect that: through setting the optical detection head on the adjusting assembly, the technical problem that the traditional portable ultraviolet spectrometer detection probe is difficult to adapt to the complex ore detection scene is effectively overcome. In the ore detection process, facing the ore sample of different shape, rough surface, such as the uneven surface of granite, the complex bedding of shale, the optical detection head can adjust the irradiation direction flexibly, realizes the accurate detection of the different area of ore surface, avoids the composition misjudgment caused by the local detection not in place, and the accuracy of ore composition analysis is improved greatly.
Owner:GUANGZHOU PANYU POLYTECHNIC
A method and system for road maintenance discrimination
ActiveCN121746932Buniform lightImprove detection accuracyInternal combustion piston enginesCharacter and pattern recognitionRadiologyRoad surface
This invention provides a road maintenance discrimination method and system. The method includes: converting an initial road surface image into an enhanced illumination component and an enhanced reflection component to obtain an enhanced road surface image; obtaining a texture feature map corresponding to the enhanced road surface image, and then obtaining a global feature sequence; obtaining a determined disease category corresponding to the global feature sequence; obtaining a contour image based on the enhanced road surface image; obtaining a semantic feature tensor and a contour feature tensor through the enhanced road surface image and the contour image, and then obtaining a binarized segmentation map including the disease area; obtaining a road surface score based on the determined disease category and the binarized segmentation map to determine whether road maintenance is required. By obtaining the global feature sequence, the accuracy of disease category recognition is improved, and the combination with the enhanced road surface image enables accurate detection of early-stage diseases. The combination of the semantic feature tensor and the contour feature tensor effectively suppresses false detections caused by non-disease edges, further improving the detection accuracy of diseases.
Owner:BEIJING URBAN CONSTR HUASHENG TRANSPORTATION CONSTR CO LTD