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11results about How to "Improve restraint" patented technology

Method for predicting service life of stiffened wallboard based on data enhanced physical information neural network

PendingCN121835425Aavoid missingMake up for the shortcomings of insufficient representation of complex nonlinear relationshipsDesign optimisation/simulationConstraint-based CADElement modelAlgorithm
The invention provides a stiffened wallboard life prediction method based on a data enhanced physical information neural network, which comprises the following steps: determining influence parameters of crack propagation fatigue life of a stiffened wallboard and a discourse domain of the influence parameters, obtaining sample points through sampling, calculating a stress intensity factor and fatigue life based on a finite element model, and constructing a training set; a double-layer physical information neural network is established, a first sub-model predicts a stress intensity factor by taking an influence parameter as input, a second sub-model combines the influence parameter and a stress intensity factor prediction value, a physical loss function based on a Paris crack propagation law is introduced, training is performed in combination with a data loss function, and fatigue life prediction is realized; and representing the influence parameters as fuzzy variables, obtaining a multi-level-cut set, and predicting the fuzzy response of the fatigue life by using the trained neural network. According to the method, a physical mechanism and data driving can be effectively fused, and efficient prediction of the crack propagation fatigue life of the stiffened wall plate under the uncertain condition is achieved.
Owner:BEIHANG UNIV

Underground engineering anti-floating structure convenient to splice

The utility model discloses an underground engineering anti-floating structure convenient to splice, and relates to the technical field of building construction, the underground engineering anti-floating structure comprises a first valve plate, the right side of the first valve plate is in lap joint with a second valve plate, and inner cavities of the left parts of the first valve plate and the second valve plate are each in sliding connection with two first splicing assemblies; the inner cavity of the right part of the first valve plate and the inner cavity of the right part of the second valve plate are each slidably connected with two second splicing assemblies. According to the underground engineering anti-floating structure convenient to splice, an L-shaped clamping block II and an L-shaped clamping block I are overturned and moved, so that the inner walls of the L-shaped clamping block I and the L-shaped clamping block II are mutually clamped, and then a U-shaped clamping plate is clamped to the outer walls of the overturned L-shaped clamping block I and the L-shaped clamping block II, so that the L-shaped clamping block I and the L-shaped clamping block II are limited; then under the action of two screws I, U-shaped clamping plates are fixed in inner cavities of the opposite parts of the valve plate I and the valve plate II respectively, and through the action of the U-shaped clamping plates, an L-shaped clamping block II and an L-shaped clamping block I are limited and fixed, so that splicing is completed.
Owner:CHINA EXPLORATION GEOTECHNICAL (XIAMEN) SURVEY & DESIGN CO LTD

Constraint device for intensive care

ActiveCN224179851Ufixed flexibleless room for movementRestraining devicesPhysical medicine and rehabilitationIntensive care
A restraining device for intensive care comprises a supporting pad and a plurality of bandages, a plurality of through holes distributed in an array mode are formed in the supporting pad, positioning assemblies used for being connected with the bandages are detachably arranged in the through holes, and each positioning assembly comprises an upper positioning ring and a lower positioning ring which are located on the two sides of the supporting pad respectively. The upper positioning ring is coaxially and fixedly connected with an upper positioning pipe, the lower positioning ring is coaxially and fixedly connected with a lower positioning pipe, the upper positioning pipe is detachably connected with the lower positioning pipe, and the end part of the bandage is detachably connected with the upper positioning pipe or the lower positioning ring. The utility model provides a restraining device for intensive care, which fully ensures that a bandage can restrain the position of a patient needing to be restrained, and the restraining effect is better.
Owner:CHINA JAPAN FRIENDSHIP HOSPITAL

Text-guided image editing method and device, medium and equipment

The invention discloses a text-guided image editing method and device, a medium and equipment, and relates to the technical field of image editing. Aiming at the limitation of an existing method in understanding an editing instruction, global vision and local entity depth perception are firstly carried out on an original image, and the original image is converted into priori knowledge in a natural language form, so that the knowledge of non-explicit modeling of a diffusion model in image editing is made up, the cognitive ability of an image editing scene is improved, and the image editing efficiency is improved. Therefore, priori knowledge is combined with the editing instruction, multi-angle deep editing reasoning is performed on the incomplete or fuzzy editing instruction, a clearer editing scheme with constraint is generated, the interpretability and the constraint of the editing instruction are enhanced, the adaptability of the model in a complex editing task is improved, and the editing efficiency is improved. And the quality of an image editing result is improved.
Owner:HUAZHONG UNIV OF SCI & TECH

Compensation system for a seat belt retractor and vehicle seat

ActiveCN117429382BImprove restraintFunctionalVehicle seatsBelt retractors
The present application relates to a compensation system for a seat belt retractor, which is adapted to a vehicle seat having a base (103), a seat cushion (102) and a backrest (101), the backrest being rotatably connected with the seat cushion about a first rotation axis (104), the seat cushion and the backrest being jointly rotatably connected with the base about a second rotation axis (105), the seat belt retractor integrating a rotatable vehicle sensing device. The compensation system comprises first and second compensation devices. The first compensation device performs angular compensation and constraint of the vehicle sensing device when the backrest is rotated relative to the seat cushion about the first rotation axis, the first compensation device (100) comprising a swivel head. The second compensation device (200) is configured to fix the swivel head when the backrest is rotated relative to the seat cushion about the first rotation axis, and to cause the swivel head to rotate inversely relative to the seat cushion about the first rotation axis when the seat cushion and the backrest are jointly rotated relative to the base about the second rotation axis. The present application also relates to a vehicle seat comprising the compensation system.
Owner:YANFENG AUTOMOTIVE SAFETY SYST CO LTD

Protective medical immobilization band

ActiveCN224540444UImprove restraintPrevent breaking awayPhysical medicine and rehabilitationMedical equipment
The utility model belongs to the technical field of medical equipment, and disclose a kind of protective medical fixing belt, including glove part and wrist part, the glove part includes palm component and backhand component, the palm component is located below backhand component, the front surface of backhand component is provided with observation window, and the opening of the side of observation window that backhand component front surface is close to is provided with zipper mechanism, the zipper mechanism includes zipper strip, first zipper head and second zipper head, first zipper head and second zipper head are movably set on zipper strip, first zipper head and second zipper head are connected by limiting mechanism;The utility model prolongs the wrist part of fixing belt, and increases a group of restraint belt, and the wrist of patient is doubly fixed by two groups of restraint belt, it is favorable to prevent the possibility that patient exists to break away, solves the problem that single restraint belt makes patient exist to break away possibly.
Owner:AFFILIATED HOSPITAL OF JINING MEDICAL UNIV

Airbag device for protecting a passenger in a rear seat of a vehicle

PendingCN122319095ASuppress damage valueImprove restraint
A vehicle rear seat occupant protection airbag device is provided that improves occupant restraint performance while suppressing occupant injury values. The airbag cushion (108) of the airbag device (100) is characterized by comprising: a cushion base (126) formed along the back of the seat (112); a cushion upper portion (128) that protrudes and expands from the upper part of the cushion base (126) toward the rear seat (104); a pair of side chambers (122, 124) that protrude and expand from both sides of the cushion base (126) toward the rear seat (104); and a cushion recess (134) formed in the area between the pair of side chambers (122, 124) below the cushion upper portion (128) and recessed toward the front seat (102).
Owner:AUTOLIV DEV AB

Prefabricated prestressed concrete pavement slab for airport runway

The utility model relates to the technical field of airport pavements, in particular to a prefabricated prestressed concrete pavement slab for an airport pavement, which comprises a slab main body and prestressed reinforcements arranged inside the slab main body, the panel body is of a rectangular structure, the prestressed steel bars comprise longitudinal steel bars arranged in the panel body in a transverse array mode and transverse steel bars arranged in the panel body in a longitudinal array mode, and the longitudinal steel bars and the transverse steel bars perpendicularly intersect to form a steel bar net; a corner reinforcing rib is arranged at each corner of the panel main body, one ends of the plurality of corner reinforcing ribs are intersected at the corner of the panel main body, and the other ends of the corner reinforcing ribs extend towards the middle part of the panel main body; each side edge of the panel body is correspondingly provided with an edge reinforcing rib, and the extending direction of each edge reinforcing rib is parallel to the side edge where the edge reinforcing rib is located, so that the density of edge reinforcing steel bars is larger than that of the reinforcing mesh of the middle reinforcing steel bars.
Owner:CHINA RAILWAY FIFTH SURVEY & DESIGN INST GRP CO LTD +1

Waterproof steel-plastic composite tape for optical cable

The utility model discloses a waterproof type steel -plastic composite tape for optical cable, including baseband, the baseband top has integrated the apron and is used for apron positioning's positioning assembly. In the application, the cable is S type coiled after multiple groups of convex rods, the joint of two groups of cables is combined in the baseband, then the apron is covered, and is fixed through the locking lever, the clamping groove on the baseband and apron is clamped on the outside of cable at this moment, the baseband and apron outside the cable connection form a protective chamber, rubber pad one and rubber pad two guarantee the sealing waterproof performance of protective chamber, and through the coiling design of multiple convex rods cooperation cable, can provide position constraint for cable, avoid the traction of cable outside, the force directly all acts on the connection of two groups of cables, thereby improve the stability of cable connection, thereby improved the stability of waterproof type steel -plastic composite tape for optical cable use.
Owner:WUXI LIRONG COMPOSITE MATERIALS TECHNOLOGY CO LTD

Reinforcing structure and method for embedded grid composite plate-steel hoop of pressed component

The invention provides a reinforcing structure and a reinforcing method of an embedded grid composite plate-steel hoop for a pressed component. The strengthening structure comprises an original compression component, an end steel sleeve, an anchoring steel bar, a positioning steel bar, a steel bottom plate and a stiffening rib set. Transverse strips of the fiber reinforced composite material grids are arranged around the component, and the two ends of the transverse strips are tensioned, pre-tightened and fixed at the penetrating holes of the anchoring steel bars; and the fiber cement-based material integrally wraps the components and fills gaps, so that an integrated reinforced structure is formed. The strengthening method comprises the steps of component treatment, steel sleeve installation, grid tensioning and pre-tightening, joint welding, overall pouring and the like. The reliable joint framework is formed by the end steel sleeves and the rigid bottom plate, and the problem of connection applicability of a reinforcing layer, an original structure and an external component is solved; and meanwhile, active constraint is achieved through tensioning and pre-tightening, so that a reinforcing material efficiently works from the initial stress stage, the bearing capacity, ductility and energy dissipation capacity of an original component are remarkably improved, construction is convenient and fast, and interference to the original structure is small.
Owner:WUHAN UNIV