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Material fatigue prediction method and system based on physical guidance neural network
InactiveCN119580902Aachieve synergyImprove generalization abilityDesign optimisation/simulationComputational materials scienceFatigue damageEngineering
The invention relates to the technical field of material fatigue prediction, in particular to a material fatigue prediction method and system based on a physical guidance neural network, and the method comprises the steps: obtaining mechanical response data and material microstructure feature data in a material cyclic loading process; based on the mechanical response data and the material microstructure feature data, constructing a physical guidance neural network model; the method comprises the following steps: a) acquiring fatigue damage parameters through a physical constraint unit by utilizing a physical guidance neural network model; b) incorporating microstructure characteristics of the material into a fatigue damage evolution equation through an attention layer; c) quantizing the uncertainty of the fatigue damage evolution equation through an uncertainty quantization unit; d) obtaining a prediction result through a feature mapping unit; the prediction result is subjected to uncertainty quantification through the prediction unit, a final material fatigue prediction result is obtained, material mechanics knowledge is introduced into the neural network through the physical constraint unit, and it is ensured that the prediction result conforms to the basic physical law.
Owner:BEIJING JIAOTONG UNIV
Tailing dry beach automatic detection and early warning method based on multi-sensor image combined processing
ActiveCN119625438AStrong reliabilityincrease flexibilityCharacter and pattern recognitionBiological modelsPoint cloudRgb image
The invention discloses a tailing dry beach automatic detection and early warning method based on multi-sensor image combined processing, and belongs to the field of image data processing. According to the method, an unmanned aerial vehicle carrying an RGB camera, a multispectral camera and a laser radar is used for collecting RGB images, multispectral images and three-dimensional point cloud data, then various feature data are obtained, boundary information is obtained through fusion and a random forest classifier, then the length of a dry beach is calculated, and early warning is carried out. According to the method, the prediction accuracy and efficiency are improved, the advantages of various data are fully utilized, the tailings pond monitoring has higher reliability and flexibility, and meanwhile the method has the advantages of being good in random forest classification effect, high in discrimination capability, low in false drop rate and the like.
Owner:JIAOJIA GOLD MINE OF SHANDONG GOLD MINING (LAIZHOU) CO LTD
Multifunctional restraining glove
ActiveCN222640706Upromote recoverysolve needsRestraining devicesGymnastic exercisingHand partsPhysical medicine and rehabilitation
The utility model discloses a multifunctional restraining glove which comprises a glove body and further comprises an inflatable grip ball assembly detachably installed at the palm position of the inner side of the glove body. The first assembly is detachably installed on the wrist portion of the outer side of the glove body and provided with a detection module used for detecting physiological parameters of a patient and a display screen used for displaying the physiological parameters of the patient; the second component is detachably mounted on the outer side of the glove body close to the root of an index finger and is provided with a button type beeper. The multifunctional restraining glove can effectively restrain the hand of a patient, can conduct hand grip rehabilitation training on the patient, can monitor physiological parameters of the patient, can meet the requirements of the patient in time, guarantees medical safety and quality, and promotes rehabilitation of the patient.
Owner:PEKING UNIVERSITY FIRST HOSPITAL (PEKING UNIVERSITY FIRST CLINICAL MEDICAL COLLEGE)
Enclosed conveying device for dust and slag from tunneling and anchoring machines
ActiveCN224278548UGuaranteed uptimeeffective constraintsConveyorsLoading/unloadingSlagEnvironmental engineering
This utility model relates to the field of dust and waste conveying technology, and in particular to a closed conveying device for dust and waste from roadheaders and anchorers. It includes a conveying frame, a conveying component, and multiple idlers. The conveying frame has two first conveying rollers symmetrically and rotatably connected to its inner wall. The conveying component includes a conveyor belt tensioned and sleeved on the two first conveying rollers. The working surface of the conveyor belt has a V-shaped conveying groove along its width. Multiple idlers are arranged at intervals along the conveying direction within the conveying frame and are rotatably connected to the inner wall of the conveying frame. In this utility model, the V-shaped conveying groove on the working surface of the conveyor belt effectively constrains the waste, preventing it from dispersing during conveying, reducing the exposed area of the waste, and lowering the possibility of dust generation. The idlers provide linear support to the conveyor belt, ensuring stable operation and preventing waste from scattering due to belt swaying, thus improving the stability and reliability of the conveying process.
Owner:INNER MONGOLIA HUINENG COAL & ELECTRICITY GRP YANGSHITA COAL CO LTD
Square steel tube confined concrete column-RC beam connecting joint and construction method
PendingCN119640942Aimprove integrityImprove seismic performanceProtective buildings/sheltersBuilding material handlingEarthquake resistanceConcrete beams
The invention belongs to the technical field of building structural member connection, and discloses a square steel tube confined concrete column-RC beam connection joint which comprises a connection joint body used for connecting a steel tube confined concrete column and a reinforced concrete beam. The connecting joint comprises a joint area steel pipe, and the reinforced concrete beam penetrates through the joint area steel pipe and is fixedly connected with the joint area steel pipe. The steel pipe confined concrete column comprises an upper column and a lower column; a connecting assembly is arranged in the reinforced concrete beam, penetrates through the joint area steel pipe and is fixedly connected with the joint area steel pipe. The node area steel pipe is filled with concrete. The method is convenient and fast to construct, reliable in joint performance, high in material utilization rate, small in steel consumption and excellent in anti-seismic performance, local buckling of the square steel pipe can be effectively delayed, the integrity of concrete is higher, the restraining effect on core concrete is enhanced, economic benefits are improved, and the problems that in the prior art, construction is difficult, and joints are complex are solved.
Owner:WUHAN INST OF TECH
A detachable stretcher bed for restraining mental patients
ActiveCN224269607Umove quicklyeffective constraintsRestraining devicesStretcherPhysical medicine and rehabilitationPhysical therapy
This utility model relates to the field of medical assistance technology and discloses a detachable stretcher bed for restraining mental patients. It includes a stretcher and a bed frame. Casters are installed at the bottom of the bed frame, and a mattress is placed on the stretcher. The stretcher slides on the bed frame, and a moving mechanism is installed on the bed frame to drive the stretcher to move along the width and height of the bed frame. A support unit is installed at the bottom of the stretcher to provide support for the stretcher after it has slid along the bed frame. Several restraint units are hidden on both sides of the stretcher along its length. The moving mechanism drives the stretcher to slide along the bed frame, allowing staff to quickly separate the stretcher from the bed frame. The hidden restraint units on both sides of the stretcher can effectively restrain the patient when needed while avoiding discomfort caused by the patient seeing the restraints. The restraint units reduce the risk of injury to staff and staff during patient stress, and the detachable nature of the stretcher prevents inhumane practices such as carrying patients later.
Owner:河南医药大学第二附属医院(河南省精神病医院)
Elastic module balance cushion, elastic cushion, and furniture
PendingEP4385367A4effectively prevent the elastic modules from tiltingmaintain support stabilityStuffed mattressesSpring mattresses
Owner:NEW TEC INTEGRATION (XIAMEN) CO LTD
Health service business online settlement processing method and device and related equipment
PendingCN119648212AImprove settlement efficiencyeffective constraintsFinancePayment architecturePaymentTesting Methods
The invention belongs to the technical field of digital medical treatment, provides a health service business online settlement processing method and device and related equipment, and aims to solve the problem of low settlement efficiency of a health service business line in the prior art. The method comprises the following steps: receiving synchronized health service business performance data of a preset health service business party, responding to a payment request of a preset supplier, obtaining a settlement batch corresponding to the payment request and a settlement list corresponding to the payment request, and automatically matching a purchase price corresponding to the settlement list according to the settlement list and the health service business performance data, according to the method and the system, the health service business lines are purchased, automatic settlement is carried out according to the purchase price, then payment is carried out, and corresponding settlement is completed, so that the settlement efficiency of the health service business lines can be improved, and due to the fact that settlement processing of all the health service business lines adopts online digital centralized processing, related data related to settlement can be effectively constrained and supervised. The financial security of settlement can be improved.
Owner:KANG JIAN INFORMATION TECH (SHENZHEN) CO LTD
Safety seat for old people in psychiatry department
The utility model discloses a psychiatric elderly safety seat which comprises a seat frame, hand supporting seats are symmetrically arranged on the two sides of the seat frame, a backrest seat is installed on the back of the seat frame, and a leg frame is arranged on the front side of the seat frame. A chair seat is further arranged on the chair frame, a replaceable cushion is embedded in the chair seat, a connecting base is installed at the bottom of the replaceable cushion, and the four top corners of the bottom of the connecting base are connected to the chair seat through locking bolts. According to the utility model, the replaceable cushion is embedded in the seat, so that the cushion can be conveniently replaced, the cleanness and sanitation of the seat are kept, meanwhile, the pure cotton cushion or the mesh cushion can be replaced according to seasons, and the four top corners of the bottom of the connecting base are connected to the seat through the locking bolts, so that the stability after installation is improved; the hand restraint rings and the chest restraint strap can restrain the elderly patient, the hand supporting seats are symmetrically arranged on the two sides of the chair frame, sufficient supporting and comfort can be provided, and arm fatigue and discomfort of the elderly patient sitting for a long time are relieved.
Owner:HAINING FOURTH PEOPLES HOSPITAL (JIAXING ANDING HOSPITAL)
Gas jet-magnetic field assistance-solution anode glow discharge atomic emission spectrum device
PendingCN119413778AGuaranteed integrationGuaranteed automationAnalysis by electrical excitationPeristaltic pumpSpectrograph
The invention relates to the technical field of atomic emission spectrum analysis, in particular to a gas jet-magnetic field assistance-solution anode glow discharge atomic emission spectrum device, which is characterized in that jet gas in a metal tube is used as a cathode, and a solution overflowing from the top end of a capillary tube surrounded by a platinum wire is used as an anode; the metal element micro-analysis system is established by utilizing the gas jet flow to generate plasma, the constraint effect of an external magnetic field on the plasma, the resistor to stabilize discharge current, the surge flask to eliminate the pulsation of the peristaltic pump and the continuous switching function of the flow injection sample injector. When a certain voltage is applied between the two electrodes, metal ions dissolved in the solution enter a plasma area and are excited, and a spectrograph is used for receiving the characteristic spectrum of the elements, so that the detection of the metal elements is realized. The device is small in size and low in energy consumption, does not need a vacuum and high-temperature environment, does not need sample introduction parts such as an atomizer, is a cheap miniature atomic emission spectrum instrument with relatively high integration, and can be used for field on-site continuous analysis and monitoring.
Owner:NORTHWEST NORMAL UNIVERSITY
Running machine
ActiveCN224126491Uavoid slackquick responseMovement coordination devicesCardiovascular exercising devicesSimulationMechanical engineering
The treadmill comprises a base and a runway arranged on the base, the treadmill further comprises a stand column arranged on the base, the stand column is located in front of the runway, a containing bin is arranged on the side, away from the runway, of the stand column, a safety belt and a winding structure rotationally arranged on the stand column are arranged in the containing bin, and one end of the safety belt is connected with the winding structure; a safety belt outlet is formed in the side, facing the runway, of the stand column, the safety belt outlet is communicated with the containing bin, and at least part of the safety belt extends out of the safety belt outlet. The utility model provides a treadmill to solve the technical problems that a safety belt of an existing treadmill causes the movement range of a user to be too small, the user feels uncomfortable easily, and the user is prevented from using a whole treadmill runway.
Owner:QINGDAO HAISHUO STEEL MODEL PROD CO LTD
Magnetic shielding shell of stackable power supply module
ActiveCN224124484UMake electrical connectionsAccurate insertionMagnetic/electric field screeningCasings/cabinets/drawers detailsPower efficientElectrical connection
The utility model discloses a stackable power supply module's magnetic shielding casing relates to power supply module technical field, including casing main part and positioning hole, casing main part includes high magnetic conductive metal layer, insulation buffer layer and shielding effectiveness enhancement layer, the outer surface of insulation buffer layer is provided with the shielding effectiveness enhancement layer, and the positioning hole is provided with the shielding effectiveness enhancement layer. A positioning column is arranged at the top of the shell body, and the positioning hole is formed in the bottom of the shell body. According to the magnetic shielding shell of the stackable power supply module, the top and the bottom of the shell main body adopt complementary concave-convex groove design, the top is provided with a convex positioning column and a groove type electrical connection interface, and the bottom is correspondingly provided with a positioning hole matched with the positioning column and a convex type electrical connection plug. The electrical connection plug of the lower power module shell body can be accurately inserted into the electrical connection interface of the upper shell body, electrical connection between the power modules is achieved, and no extra connecting wire is needed.
Owner:SHENZHEN JEELYTON ELECTRONICS CO LTD
A type of seat swivel hardware frame
This utility model discloses a hardware frame for seat rotation, including a base plate with rails one, two, three, and four on its surface. Pulleys one and two are slidably disposed within rails four and three, respectively, while pulley three is slidably disposed within rails one and two, reciprocating between them. A guide rail is disposed on the inner wall of a connecting plate, and a slide rail is disposed within the guide rail. A locking mechanism is provided on the slide rail. The base plate has locking holes for limiting the movement of the connecting plate and support plate. Through the cooperation of the locking mechanism and different locking holes, the sofa cushion is stably fixed, preventing it from moving freely and ensuring safety and reliability. The locking mechanism automatically engages with new locking holes without additional operation, completing the locking process. This "lift-adjust-automatic locking" mechanism simplifies the operation steps of adjusting the sofa cushion, allowing for easy switching between cushions with a simple lifting and pushing motion, thus improving the user experience.
Owner:HUIZHOU SILIAN SMART HOME CO LTD
A tetragonal phase zirconia / carbon sphere composite material, a preparation method and application thereof
This invention relates to the field of battery fabrication, specifically disclosing a tetragonal zirconium dioxide / carbon sphere composite material and its preparation method and application. The method includes the following steps: (1) dissolving zirconium tetrachloride in a solvent, then adding dopamine, and after thorough dissolution and mixing, slowly adding ammonia water. As ammonia water is added, the solution gradually turns into a milky white opaque liquid. The solution is continuously stirred at room temperature until it gradually changes from milky white to brownish-black, obtaining a zirconium-based / polydopamine composite precursor; (2) centrifuging the obtained zirconium-based / polydopamine composite precursor, washing it to obtain a brownish-black precipitate, drying the brownish-black precipitate to obtain a brownish-black precursor powder; (3) calcining the precursor powder to obtain a tetragonal zirconium dioxide / carbon sphere composite material. This invention successfully constructs a metastable tetragonal zirconium dioxide composite catalyst induced by polydopamine and confined to the surface of carbon spheres.
Owner:ANHUI UNIV
Container three-dimensional stacking guide rail frame and container three-dimensional warehouse
ActiveCN222475155Ueffective constraintsSmall footprintStorage devicesStructural engineeringMechanical engineering
Owner:SHANGHAI ZHENHUA HEAVY IND +2
Graphene-coated nanosilicon core-shell composite material, and preparation method and application thereof
PendingCN122511808Alow growth temperatureInhibit high temperature sintering
This invention discloses a graphene-coated silicon nanocomposite material, its preparation method, and its application, belonging to the field of battery materials technology. The preparation method of this composite material includes: firstly, removing the oxide layer on the surface of the silicon nanocomposite and performing plasma activation to obtain silicon nanocomposite with active sites and functional groups on the surface; dispersing it in a carbon source precursor solution, mixing it evenly, and then centrifuging and drying it at low temperature to obtain a silicon-coated precursor; under inert gas protection, carbonizing the silicon-coated precursor at 500-700℃ and simultaneously introducing it into a catalyst precursor, then introducing a carrier gas containing hydrogen and carbon, and heat-treating it at 800-950℃; finally, acid washing, water washing, and drying to obtain the target material. This invention achieves low-temperature controllable growth of graphene by optimizing process parameters. In the prepared core-shell composite material, 1-30 few-layer graphene shells are tightly bonded to the silicon nanocomposite core. When used as a negative electrode active material for lithium-ion batteries, it exhibits high specific capacity, excellent cycle stability, and rate performance. The process is easily scalable and has promising application prospects.
Owner:唐山国轩电池有限公司
Inverted pendulum model-based human trunk inertial navigation autonomous positioning method and device
ActiveCN119555067Aeffective constraintsadaptableNavigational calculation instrumentsNavigation by speed/acceleration measurementsKaiman filterAccelerometer
The invention discloses a human body trunk inertial navigation autonomous positioning method and device based on an inverted pendulum model, and belongs to the technical field of pedestrian localization. The method comprises the following steps: installing an IMU (Inertial Measurement Unit) at a human body trunk, and measuring lever arm information; after the human body walks for a preset distance along the straight line, compensating the mounting angle of the IMU, and collecting the output of the IMU; judging whether the pedestrian is in a static state or not by using the output of an accelerometer, and if the pedestrian is in the static state, constraining by using a static state model; if not, an inverted pendulum model is used for constraint; and carrying out information fusion by using a Kalman filter to obtain final pedestrian position information. According to the invention, accurate and real-time position information of the target personnel can be obtained with low cost, and data support is provided for personnel management.
Owner:AEROSPACE INFORMATION RES INST CAS
Emergency severe body position restraining and transferring device
ActiveCN224220340Uavoid accidental injuryprevent therapeuticRestraining devicesWheelchairs/patient conveyancePhysical medicine and rehabilitationBody positions
The embodiment of the utility model discloses an emergency severe body position restraining and transferring device. The emergency severe body position restraining and transferring device comprises a base, a rotating platform, a rotating driving mechanism arranged in the base, a multi-section type supporting platform, a power source arranged in the base and a control panel. The multi-section type supporting platform adapts to the restraining requirements of various body positions such as lying and sitting postures, flexible transfer is achieved through the rotating platform and the wheel bodies, the patient is fixed in a sectional mode through the adjustable restraining assembly, the four limbs of the patient are effectively restrained, and the patient is prevented from being accidentally injured or disturbed in treatment.
Owner:THE SECOND AFFILIATED HOSPITAL OF GUILIN MEDICAL COLLEGE
Retrieval-driven workflow generation method and system for domain knowledge enhancement
ActiveCN121979536Areliable generationquality improvementSemantic analysisBiological modelsCode generationTheoretical computer science
The invention discloses a domain knowledge enhanced retrieval-driven workflow generation method and system, and the method comprises the steps: receiving a natural language demand of a user, and retrieving a high-correlation candidate workflow template from a pre-constructed domain structured knowledge base through a mixed strategy of fusing sparse retrieval and dense retrieval; systematically extracting task step definitions, dependency graphs, API (Application Program Interface) calling specifications and domain constraint conditions in the candidate templates to form a structured knowledge element set; deeply fusing the knowledge set with user requirements, and constructing a structured cue word containing task description, knowledge reference and generation constraint; and generating a high-quality executable workflow code meeting the standard of the target platform by utilizing the large model. According to the method, the problems of poor code normalization caused by lack of domain knowledge, low retrieval correlation caused by a single retrieval strategy, insufficient flexibility caused by a hard coding template and the like in an existing method are effectively solved, and the accuracy, the normalization and the practicability of workflow code generation are remarkably improved.
Owner:SHANHU INTELLIGENT COMPUTING TECHNOLOGY (HUNAN) CO LTD
Neck and shoulder protecting and restraining waistcoat for mental disorder patient
ActiveCN222444506Ueffective constraintsavoid damageRestraining devicesNursing bedsPhysical medicine and rehabilitationBrachial nerve plexus
The utility model provides a neck and shoulder protecting and restraining waistcoat for a mental disorder patient, relates to the technical field of medical instruments, and solves the technical problems that in the prior art, a rope-shaped protecting and restraining belt is adopted to directly bind the neck and the shoulder of the patient, the convergent point of pressure is located on the neck and the shoulder, the brachial plexus of the patient is prone to being injured, and potential safety hazards exist. According to the restraint mode, the waistcoat is worn on the body of the patient, the contact area between the waistcoat body and the patient is increased, the restraint effect is improved, and the waistcoat is more easily recognized by family members of the patient in the visual sense. The first restraint strap and the second restraint strap are arranged on the front garment piece and the rear garment piece of the waistcoat body respectively in an X-shaped structure crossing mode, a pressure convergent point is moved to the chest and the back from the neck and the shoulders according to the mechanics principle, the neck and the shoulders are prevented from being damaged when a patient moves restlessly, and the neck and the shoulders of the patient are protected. The end parts of the first restraint strap and the second restraint strap are respectively connected with the bed body so as to effectively restrain the patient.
Owner:FOURTH PEOPLES HOSPITAL OF URUMQI
Manufacturing method of joint line artificial limb mold
PendingCN119385730AEasy to installeasy to operateDomestic articlesArtificial handsInjection mouldingProsthetic hand
The invention discloses a manufacturing method of a joint line artificial limb mold in the technical field of artificial limb molds, and the joint line artificial limb mold comprises a hand back mold shell, a palm mold shell, a hand mold sleeve, a port separation blade and an artificial hand inner mold, the hand mold sleeve filled with the artificial hand inner mold is sealed in the mold cavity formed by the hand back mold shell and the palm mold shell through the end opening blocking piece, the mold installation process can be optimized, the artificial hand leather sheath can be directly formed at a time, an integral structure is adopted, and meanwhile, no joint line exists, so that after the silica gel leather sheath is subjected to injection molding, the production efficiency is improved, and the production cost is reduced. A joint line does not need to be ground, so that the manufacturing process is greatly simplified, and the manufacturing of the artificial hand leather sheath is more efficient; due to the fact that the joint line does not need to be ground, the outer surface of the artificial hand leather sheath is smoother, the joint line does not exist, later repair and re-coloring of the ground position are not needed, the whole leather sheath is free of chromatic aberration, and the beauty artificial hand leather sheath manufactured through the device is more vivid.
Owner:FUJIAN STATE-OWNED REHABILITATION MEDICAL TECH CO LTD
Restraint strap for limbs
ActiveCN222623173Ueffective constraintsavoid abrasionsRestraining devicesNursing bedsPhysical medicine and rehabilitationNursing care
The utility model discloses a restraint strap for limbs, and relates to the technical field of medical care. Comprising a wrist-protecting soft cushion and a fixing band, a square buckle is installed at one end of the fixing band, the fixing band is connected with the wrist-protecting soft cushion through the square buckle, buckle holes are evenly distributed in one end of the fixing band, a buckle is riveted to the fixing band, and the buckle is buckled with the buckle holes. One end of the restraint strap for the limbs is fixed to the wrist, the other end of the restraint strap for the limbs is fixed to a bed frame or other immovable and stable supporting objects, the movement range after restraint can be automatically adjusted through the fixing strap, and the adopted wrist protection cushion is mainly composed of a breathable cloth strap, a cotton swab and a connecting base and can be suitable for being worn by different patients according to the thicknesses of the limbs of the patients. And gaps are reserved between the cotton swabs, so that the restraint cannot be too tight to influence the blood circulation, the patient can be effectively restrained, the condition that the skin of the patient is abraded or tightened can be avoided, the comfort degree is high, and the application range is wide.
Owner:LISHUI CENT HOSPITAL
Novel electronic record book
ActiveCN222619033Ueffective constraintssolve sheddingDigital data processing detailsInput/output processes for data processingHandwritingSoftware engineering
The utility model relates to the technical field of electronic record books, in particular to a novel electronic record book which comprises a supporting plate, a hard shell is arranged on the top of the supporting plate, and a tablet personal computer is embedded in the hard shell. A transverse sliding mechanism is arranged between the bottom of the hard shell and the top of the supporting plate; a pen groove is formed in one side of the top of the supporting plate, and a handwriting pen is embedded in the pen groove; and the side part of the hard shell is provided with a clamping strip corresponding to the handwriting pen. According to the novel electronic record book, the event recording function is achieved through the tablet personal computer, the handwriting pen is stored in the pen groove, when the handwriting pen needs to be taken out, the hard shell embedded with the tablet personal computer only needs to slide in the direction away from the pen groove, the clamping strip is made to be separated from the constraint of the handwriting pen, and at the moment, the handwriting pen can be normally taken out.
Owner:TIANJIN HUIJIE HEALTH TECHNOLOGY CO LTD
Disc type motor rotor composite material sheath winding tool and winding method thereof
PendingCN119675361AImprove quality stabilityImprove processing stabilityManufacturing stator/rotor bodiesFiberElectric machinery
The invention relates to the technical field of disc type motor rotors, and discloses a disc type motor rotor composite material sheath winding tool and a winding method thereof.The disc type motor rotor composite material sheath winding tool comprises a rotating shaft, an outer pressing plate, an inner pressing plate, an outer check ring, a rotor disc, an inner check ring and a composite material sheath, and the composite material sheath is wound on the outer surface of the rotor disc. According to the invention, through arrangement of connection relations and positions of the rotating shaft, the outer pressing plate, the inner pressing plate, the outer check ring, the rotor disc, the inner check ring, the composite material sheath and other components, and through specific structures and mutual cooperation of the components, effective support and constraint of the rotor disc during winding of the composite material sheath are realized; a stable tool foundation is provided for the subsequent winding process, it can be ensured that the composite material sheath is accurately wound on the rotor disc, the problems of component deformation, fiber embedding and the like caused by factors such as fiber prestress and the like in the winding process are effectively avoided, and therefore the manufacturing quality and the process stability of the disc type motor rotor are improved.
Owner:JIAXING MOSEN POWER TECH CO LTD
Rotation image detection model training method
PendingCN119649015Aeffective constraintsImprove detection accuracyCharacter and pattern recognitionNeural learning methodsEvaluation resultSpin image
The invention relates to a training method of a rotating image detection model, belongs to the technical field of ray image target detection, and solves the problems that a detection model obtained by training through an existing method cannot accurately recognize a rotating target and is high in resource consumption. The training method comprises the following steps: marking a category label of each target in each preprocessed ray image and four corner point coordinates of a rotating surrounding frame, and calculating a center point coordinate label and a covariance matrix label of the rotating surrounding frame of each target; taking a ray image as well as a category label, a center point coordinate label and a covariance matrix label corresponding to each target labeled in the image as a training sample to obtain a plurality of training samples; and training a preset neural network model for a preset number of iterations by using the training set, and determining a trained rotating image detection model according to an evaluation result of the verification set at the end of each iteration process. Rapid training of the rotating image detection model is realized, and the detection precision of the rotating image is improved.
Owner:BEIJING HANGXING MACHINERY MFG CO LTD
Structured generation type point of interest recommendation method and system based on large language model
The application discloses a structured generation type point of interest recommendation method and system based on a large language model, and the method comprises the following steps: formulating each point of interest entity into a semantic tuple; introducing a special attribute identifier as a structural boundary signal of a single check-in record comprising a point of interest entity and time, and reconstructing the single check-in record into an explicitly aligned structured sequence; constructing an input prompt word based on the structured semantic tuple expression and a historical check-in sequence; extracting a hidden vector corresponding to each special attribute identifier of a target prediction tuple in a last hidden state of the large language model based on the structured semantic tuple expression and the input prompt word; constructing a cross-attribute alignment loss based on a geometric distance, and then constructing a total loss function; integrating a global prefix tree pruning and a dynamic space-time penalty algorithm in an inference stage to constrain the generation process within a legal entity space and a physically reachable domain; inputting the structured sequence into the large language model, and training the model by using the total loss function to obtain a trained recommendation model.
Owner:HANGZHOU DIANZI UNIV
Limb restraining device for gastric lavage of children
ActiveCN222487787Uprevent slippageeffective constraintsEnemata/irrigatorsRestraining devicesPhysical medicine and rehabilitationGastric lavage
The utility model discloses a limb restraining device for gastric lavage of children. The limb restraining device comprises a restraining sheet and a limiting piece. The restraint sheet comprises a main body part, a first wrapping part and a second wrapping part, one end of the first wrapping part is connected to one side of the main body part, and the other end of the first wrapping part is detachably connected to the other side of the upper surface of the main body part, so that a containing space is formed between the main body part and the first wrapping part; one end of the second wrapping part is connected to the other side of the main body part, and the other end of the second wrapping part is detachably connected to the surface of the first wrapping part. One end of the limiting piece is connected to the tail end of the main body part, the other end of the limiting piece is detachably connected to the surface of the second wrapping part, the limiting piece is used for limiting the legs of the child patient in the containing space, and the limb restraint device is simple in structure, wide in applicability, high in practicability and capable of effectively restraining the limbs of the child patient.
Owner:SHENZHEN MATERNITY & CHILD HEALTHCARE HOSPITAL
Mattress with restraining function
ActiveCN222487908Uincrease frictionEasy to fixRestraining devicesNursing bedsMedical equipmentStructural engineering
The utility model relates to the technical field of medical equipment, and discloses a mattress with a restraining function, which comprises a bottom frame, a vertical plate is fixedly connected to the upper end of the bottom frame, a controller is fixedly connected to the right side of the bottom frame, a pressing device is arranged on the left side of the upper end of the bottom frame, and a hanging ring is arranged on the right side of the upper end of the bottom frame. The upper end of the bottom frame is fixedly connected with a telescopic handrail. According to the mattress with the restraining function, the pressing device is arranged, when a patient sleeps, hooks and hanging rings are hung, the left side of a quilt is fixed, the quilt is placed at the upper end of the top frame, a grip is held by a hand to press downwards, a pressing rod rotates relative to the top frame to fix the quilt, friction force is increased through an adhesive tape, and the fixing effect is improved; the pressing rod makes contact with the inclined face of the pressing block, the pressing block is extruded to move leftwards, the spring is stretched till the pressing block is located at the upper end of the pressing rod, the spring resets to drive the pressing block to move rightwards to cover the upper end of the pressing rod, and the cover restrains a patient.
Owner:JIANGSU STREET COMMUNITY HEALTH SERVICE CENTER CHANGNING DISTRICT SHANGHAI