190 results about "Stress reduction" patented technology

According to the intelligent radiator welding method and system based on welding residual stress control, temperature field data of a welding area are obtained through a sensor array, a temperature gradient mapping image is generated, residual stress distribution is determined through heat-structure coupling finite element analysis, and a thermal expansion coefficient and a welding speed parameter are extracted; when the deviation exceeds a deviation threshold value, the heat input power and the welding speed are adjusted, parameter combination is optimized, heat input distribution is redistributed, new temperature field distribution is generated by adopting a power segmentation adjustment algorithm, residual stress relief data are extracted, and if the stress reduction rate is insufficient, the welding speed is adjusted; if yes, cooling parameters are adjusted for thermal stress release, through finite element iteration fed back in real time, a process correction scheme is generated, full-process simulation verification is conducted, and the fatigue life and the thermal conductivity index are obtained. Accurate control over the residual stress in the welding process is achieved, and the intelligent welding quality and the structural stability are improved.

The invention belongs to the field of advanced inorganic non-metallic materials, and relates to a 3D special-shaped glass bending tempering forming method and system, which comprises the following steps: according to initial stress distribution data, partitioning a glass curved surface by adopting a k-means clustering algorithm, determining an independent temperature control parameter required by each partition, generating a multi-mode temperature field partitioning scheme, partition temperature control data is obtained; according to the stable temperature distribution data, a non-contact electromagnetic suspension technology is adopted to control the distance between the glass and the mold, electromagnetic field intensity distribution data is generated, the stress state of the glass is calculated through finite element analysis, and contact stress reduction data is obtained; and aiming at the optimized mechanical property data, integrating the temperature field, the deformation rate and the stress distribution data by adopting a data fusion algorithm, generating a process parameter database for bending and tempering forming of the 3D special-shaped glass, and determining final production control parameters.

The invention relates to the technical field of steel structure bridge joint welding, and provides steel structure bridge joint intelligent welding equipment which comprises a moving trolley, a lifting rod, a first visual positioning camera and an electric telescopic rod are installed on the top of the moving trolley, and a mechanical arm is installed at the output end of the electric telescopic rod. The mechanical arm comprises a large arm, a small arm and an end effector, a welding gun and a second visual positioning camera are installed on one side of the end effector, two stress reduction mechanisms are installed between the small arm and the end effector, and a sensor installation mechanism and a third visual positioning camera are installed on the small arm; automatic positioning of the welding equipment is achieved through the first visual positioning camera and the third visual positioning camera, and the automation degree of welding is improved; the welding stress of the welding part is monitored in real time through the fiber grating sensor, and the residual stress generated by the welding part is reduced through the stress reduction mechanism.

The invention provides a shield tunnel ground surface settlement stress detection device and a pavement settlement treatment method, and relates to the technical field of shield tunnel construction. The detection device comprises a vertically arranged pipe body, the lower end of the pipe body is connected with a hollow elastic bag body, the upper end of the pipe body is connected with a water inlet pipe and an exhaust pipe, the water inlet pipe is provided with a pressure gauge and a water inlet valve, and the exhaust pipe is provided with an exhaust valve. According to the pavement settlement treatment method, an existing ground surface settlement detection mode is changed, measurement of the ground surface settlement amount is changed into measurement of the soil layer internal stress change amount, and a reliable basis is provided for pavement settlement treatment. According to the method, a ground surface settlement area and a soil layer stress reduction area can be quantitatively delineated according to the reduction amount of the water pressure of each elastic bag body, and then targeted grouting is performed, so that the soil layer stress is recovered to a stable and balanced state before tunnel excavation, and the problems of settlement and collapse of a paved pavement after a subway is opened are fundamentally solved.

The invention relates to the technical field of data processing, in particular to a lifelong learning platform based on a multi-modal large model, and the platform comprises a cognitive modal analysis module which analyzes the cognitive state of user learning in real time; according to the system, key physiological signal indexes in the learning process of the user are captured in real time, the attention level, cognitive load and psychological pressure states of the user are deduced, the user experience and natural interaction ability are improved, the real cognitive state of the user is perceived, and the user experience is improved. The content difficulty is automatically adjusted in real time, decompression suggestions are pushed or personalized auxiliary strategies are triggered, cognition-emotion-behavior three-in-one adjustment is achieved, the problem that during resource pushing, manual labels and simple behavior records are depended on is solved, and resource pushing efficiency is improved by constructing an interactive neuroplasticity knowledge network diagram. The cognitive activity and the psychological load state in the learning process are reflected in real time, and the psychological fatigue of the user can be recognized.

The invention provides a relaxation and decompression system for relieving juvenile depression based on traditional Chinese medicine five-tone music, and relates to the technical field of five-tone relieving, the relaxation and decompression system comprises an equipment layer and a cloud service layer, the equipment layer comprises an intelligent bracelet module and a multi-mode equipment output module, a user interaction sub-module, an optical heart rate sensing sub-module, a skin electric response sensing sub-module, a body temperature sensing sub-module and a questionnaire survey sub-module are arranged in the intelligent bracelet module, the multi-modal equipment output module comprises an audio conduction unit and a wearable acupuncture point stimulation unit, and a phototherapy control sub-unit is arranged in the wearable acupuncture point stimulation unit. The cloud service layer comprises a traditional Chinese medicine five-tone generation module, a cloud intelligent analysis module and a user feedback module; by introducing the mechanism of five voices of traditional Chinese medicine and combining the theory of traditional Chinese medicine, a three-dimensional synergistic mode of music, acupoint stimulation and phototherapy is provided, and a relieving control scheme is continuously adjusted through real-time biological signal feedback, so that the depressive symptom of teenagers is effectively relieved, and the pressure is relieved.

The method comprises the following steps: preparing an epoxy sample with a bidirectional strain gauge, carrying out multi-stage thermal cycle treatment on the epoxy sample, and recording strain data to determine an optimal treatment parameter combination, namely temperature, heat preservation time, cooling rate and cycle index; carrying out stress reduction treatment on the epoxy composite insulator based on the optimal treatment parameter combination; the device comprises a programmable oven, a strain gauge and an upper computer. The method is easy and convenient to operate and low in cost, through multi-scale collaborative optimization, the residual stress of the current commercial epoxy composite insulating part can be remarkably reduced, the reliability of the epoxy composite insulating part for the ultra / extra-high voltage power equipment is remarkably improved, and the method has wide engineering application prospects.

A multi-sensory cognitive engagement puzzle device for stress reduction, mindfulness, and dementia therapy is disclosed. The device includes a three-dimensional geometric puzzle structure composed of interlocking posts, wherein each post comprises a plurality of interlocking puzzle pieces, wherein the puzzle pieces comprising center puzzle pieces, middle puzzle pieces, external puzzle pieces, wherein each puzzle piece having protrusions, indented sections, grooves configured along at least one of protrusions and indented sections, and magnets, wherein the indented sections are configured to form a continuous outer surface when fully assembled to form the post, and wherein magnets are integrated into grooves of either protrusions and indented sections and configured to slide and lock into, during assembly, either protrusions and indented sections and along each post and between adjacent posts. The surface of each puzzle piece comprises textures distinct to each other to provide distinct tactile sensations.

A method includes forming a first dielectric layer, forming a first redistribution line including a first via extending into the first dielectric layer, and a first trace over the first dielectric layer, forming a second dielectric layer covering the first redistribution line, and patterning the second dielectric layer to form a via opening. The first redistribution line is revealed through the via opening. The method further includes depositing a conductive material into the via opening to form a second via in the second dielectric layer, and a conductive pad over and contacting the second via, and forming a conductive bump over the conductive pad. The conductive pad is larger than the conductive bump, and the second via is offset from a center line of the conductive bump.

According to the method for reducing the quenching residual stress of the large 7xxx aluminum alloy T-shaped section long beam type forge piece, a cold pressing die which moves up and down in traditional cold pressing deformation is changed into a rolling die, so that surface contact between the die and the forge piece is changed into line contact, the load on equipment is greatly reduced, and the service life of the forge piece is prolonged. And the phenomena of uneven stress reduction and the like caused by segmented cold pressing of long beam forgings are also avoided. And meanwhile, through the structural design of the upper roller mold cavity, the forge piece is in a multidirectional pressed state in the cold deformation treatment process, reduction of residual stress of the forge piece is facilitated, and uniform distribution of the residual stress is promoted. Under the control of technological parameters, the cold deformation die has little influence on the organization structure and mechanical property of the forge piece, the residual stress eliminating effect is good, deformation of the 7xxx aluminum alloy T-shaped section long beam type forge piece in the machining process can be effectively reduced, and the part yield is improved.

The utility model relates to a pair of comfortable, fit and pressure-relief injection-molded shoes, which comprises vamps, insoles are connected below the vamps, outsoles are connected below the insoles, insoles are arranged on the inner sides of the vamps, and adjusting mechanisms are arranged on the inner sides of the vamps. According to the comfortable, fit and pressure-reducing injection molding shoe, the front pressure reducing mechanism is used for reducing pressure of the foot sole, the rear pressure reducing mechanism is used for reducing pressure of the heel, the pressure reducing advantage is achieved, the movable pipe and the movable piece can be linked to rotate by rotating the connector ring, and when the movable air hole of the movable piece is communicated with the fixed air hole of the fixed pipe, the air bag can be inflated or deflated; when the movable air hole of the movable piece and the fixed air hole of the fixed pipe are arranged alternately, the air bag is in a sealed state, the inner size of the vamp can be reduced by inflating the air bag, and the inner size of the vamp can be increased by deflating the air bag, so that the size of the shoe is matched with that of a foot, and the shoe has the advantage of fitting the foot.

The present disclosure relates to an improved digital control valve (DCV) system (100), featuring a piston-type design with a stepped piston and dual piston seals for precise flow rate control and enhanced batch accuracy under fluctuating upstream pressure (P1) conditions The piston (302) is hydraulically balanced to ensure smooth operation and reliable batch filling. The disclosure provides an Auto Tune Valve (ATV) (200) in place of conventional manually operated needle valves, offering tamper-proof, automated tuning based on line pressure by dynamically varying internal orifice size, thereby eliminating manual adjustment efforts. The improved DCV system is designed to addresses the challenge of closing the valve during electrical or mechanical failures, ensuring safety and environmental protection during batch filling operations. Two distinct dampening mechanisms are employed to mitigate sudden ramping up or down during pressure fluctuations, reducing vibration, noise, and stress on components, thereby enhancing reliability and service life. The improved DCV system ensures efficient, automated operation under varying conditions, delivering consistent safety and performance.

The invention discloses an intensity analysis and optimization method for a sectional type liquid cooling condenser, which comprises the following steps of: performing a pressure alternating experiment on an original structure of the sectional type liquid cooling condenser, recording the number of cycles, and checking the position of a leakage point through a water test; finite element model analysis is carried out on the original structure model, and the stress of the leakage point is determined; performing structure optimization, repeating the finite element analysis process, and recording the stress of the original leakage point after optimization; and determining the stress reduction ratio, and judging whether the optimized structure can meet the strength requirement or not according to the ratio of the target cycle index of the pressure alternating experiment to the cycle index of the original structure. According to the optimization method, the corrugation pitch and the corrugation plane width of the herringbone corrugated plate of the sectional type liquid cooling condenser are changed, and the number of welding spots and the welding area are increased, so that the strength of the sectional type liquid cooling condenser is enhanced. According to the method, the verification cost in a design period is reduced while the accuracy is met in a mode of combining experiments and simulation.

The invention discloses a porcelain piece stress reduction method and system based on elasticity modulus regulation and control, and belongs to the technical field of stress research and nondestructive testing, and the method comprises the following steps: generating a temperature-elasticity modulus characteristic curve, collecting geometrical morphology information of microdefects in a porcelain piece, and calculating a temperature-elasticity modulus characteristic curve; inputting a multi-physics field coupling finite element model taking a temperature change process of an extreme low-temperature working condition as a thermal load boundary condition, carrying out iterative optimization calculation to obtain an optimal elastic modulus combination which minimizes the maximum first principal stress in the porcelain part, and reversely solving an optimal manufacturing process parameter combination by utilizing a correlation model to obtain a final manufacturing process parameter combination. And calculating the predicted safe operation life cycle of the porcelain part through the fatigue crack propagation model. According to the method, by introducing dynamically changing material parameters and real microdefect data, the stress state of the porcelain piece under the extreme working condition is predicted and optimized, a corresponding process implementation path and service life evaluation are given, and the problems of inaccurate simulation and poor optimization effect caused by adoption of constant parameters in the prior art are solved.

Methods for forming a back-end-of-line (BEOL) passive device structure are provided. A method according to the present disclosure includes depositing a first conductor layer over a substrate, patterning the first conductor layer to form a patterned first conductor layer, depositing a first insulation layer over the patterned first conductor layer, depositing a second conductor layer over the first insulation layer, patterning the second conductor layer to form a patterned second conductor layer, depositing a second insulation layer over the patterned second conductor layer, depositing a third conductor layer over the second insulation layer, and patterning the third conductor layer to form a patterned third conductor layer. The patterning of the first conductor layer includes removing a right-angle edge of the first conductor layer.

The application discloses a high-performance motor rotor core, comprising rotor laminations, wherein a plurality of magnetic steel slot groups are arranged on the rotor laminations in a circumferential direction; the application has simple structure and reasonable design; stress reduction structures with central symmetry characteristics are arranged to effectively guide and release main radial stress in the magnetic bridge area, optimize stress distribution, avoid fatigue cracks caused by local stress concentration, improve fatigue life and structural safety margin of the magnetic bridge, and improve NVH performance, reduce electromagnetic harmonics, and improve stability and quietness of motor operation; in addition, the overall magnetic steel slot layout is optimized to realize reasonable reduction of material use and lightweight design of the rotor core, and improve power density and dynamic response capability under the premise of guaranteeing electromagnetic performance.

A device structure may be manufactured by forming metal interconnect structures embedded in dielectric material layers over a substrate; forming active metal connection structures, primary dummy metal structures, and miniature dummy metal structures over a topmost dielectric material layer selected from the dielectric material layers, wherein the miniature dummy metal structures have a lesser height than the active metal connection structures and the primary dummy metal structures; and forming bonding pads over the active metal connection structures, the primary dummy metal structures, and the miniature dummy metal structures, wherein the active metal connection structures and the primary dummy metal structures are contacted by the bonding pads, and the miniature dummy metal structures are not contacted by any of the bonding pads.

The invention relates to the technical field of pressure vessel manufacturing, and discloses a spherical tank welding stress reduction process with coupling preheating and interlayer temperature control, which comprises the following steps: preheating a to-be-welded area of a spherical shell plate before welding; multi-layer and multi-pass welding is conducted through a small heat input welding method, in the welding process, self-adaptive heat input control is executed based on geometrical characteristics of a standard linear area, a T-shaped intersection area and the like of a weld joint path, and meanwhile the interlayer temperature between all welding passes is strictly controlled; a symmetric welding method and a segmented back welding method are adopted to balance deformation; and finally, a tempering welding bead with low linear energy is welded on the cover surface layer. According to the method, through in-situ, zoning and multi-stage coordinated regulation and control of welding heat input, formation of hard and brittle structures is effectively restrained, the performance of a heat affected zone is optimized, the residual stress peak value of a welding joint, especially a geometric discontinuous region, is remarkably reduced, and the process does not need overall heat treatment after welding, so that the production cost is reduced. The manufacturing period is shortened; and the production cost is reduced.

The purpose of the present invention is to provide a composition which has high biosafety and contributes to the activation of PGC-1 [alpha]. In addition, the invention aims to provide application of the composition for activating the PGC-1 alpha and a method for activating the PGC-1 alpha. It has been found that a specific compound among natural product-derived compounds has a PGC-1 [alpha] activating effect. The present invention provides an effective and novel method which contributes to improvement of durability, muscle hypertrophy, inhibition of obesity, stress reduction, improvement of glucose metabolism function, and inhibition of muscle atrophy.

An electronic device and a method of manufacturing the electronic device. An electronic device includes a substrate including: a first side including a peripheral portion and a central portion surrounded by the peripheral portion; and a conductive structure. A first electronic component includes a component first side coupled to the substrate in the central portion, and a component second side. A second electronic component is coupled to the substrate in the peripheral portion. An encapsulation covers the second electronic component and the peripheral portion of the first side. The second side of the first electronic component is exposed from a top side of the encapsulation. A thermal stress reduction structure includes one or more of: a stiffener coupled to the top side of the enclosure in the peripheral portion and overlapping the second electronic component; or a heat sink coupled to the second side of the first electronic component. Other examples and related methods are also disclosed herein.

Various embodiments include die structures and methods of forming die structures. In an embodiment, a device includes: a lower substrate; upper integrated circuit dies bonded to the lower substrate with dielectric-to-dielectric bonds and with metal-to-metal bonds, the upper integrated circuit dies including a semiconductor material; a buffer layer around the upper integrated circuit dies, the buffer layer including a stress reduction compound, a coefficient of thermal expansion of the stress reduction compound being greater than a coefficient of thermal expansion of the semiconductor material; and an encapsulant around the buffer layer and the upper integrated circuit dies, the encapsulant including a molding compound, a coefficient of thermal expansion of the molding compound being greater than the coefficient of thermal expansion of the stress reduction compound.

A cutting insert for a modular rotary cutting tool is disclosed. The cutting insert may include a shaft, an opposing insert centering surface, and a convex torque transmitting insert driving surface.

The present invention addresses the problem of providing: a stress-relieving composition that can relieve stress, and is excellent in stability and safety; and food and drink, medicine, and feed that contain the stress-relieving composition.　Provided are: a stress-relieving composition characterized by containing Bifidobacterium adolescentis as an active ingredient; and food and drink, stress-relieving medicine, and stress-relieving feed that are characterized by containing the stress-relieving composition.

A method includes forming a first dielectric layer, forming a first redistribution line including a first via extending into the first dielectric layer, and a first trace over the first dielectric layer, forming a second dielectric layer covering the first redistribution line, and patterning the second dielectric layer to form a via opening. The first redistribution line is revealed through the via opening. The method further includes depositing a conductive material into the via opening to form a second via in the second dielectric layer, and a conductive pad over and contacting the second via, and forming a conductive bump over the conductive pad. The conductive pad is larger than the conductive bump, and the second via is offset from a center line of the conductive bump.

The application relates to a device and a method for regulating residual stress of propellant solidification, which comprises a base, a die cylinder arranged above the base, a plurality of stress reduction devices arranged on the outer cylinder wall of the die cylinder along the axial direction of the die cylinder, each stress reduction device comprising a plurality of stress reduction devices uniformly distributed along the circumferential direction of the outer cylinder wall of the die cylinder, each stress reduction device comprising a high-energy acoustic beam transducer and a wedge connected with the emitting end of the high-energy acoustic beam transducer, the end of the wedge away from the high-energy acoustic beam transducer being close to the outer cylinder wall of the die cylinder, a supporting mechanism arranged below the base and provided with a cavity, and a high-energy acoustic beam transducer installed below the base and located in the cavity of the supporting mechanism, the emitting end of the high-energy acoustic beam transducer being connected with a screw rod, and the top of the screw rod extending into a counterbore below the bottom of the die cylinder. The application is suitable for reducing residual stress of propellant.

The present invention provides systems, methods, and articles for stress reduction and sleep promotion. A stress reduction and sleep promotion system includes at least one remote device, at least one body sensor, and at least one remote server. In other embodiments, the stress reduction and sleep promotion system includes machine learning.

A device structure may be provided by: forming semiconductor devices and metal interconnect structures formed within dielectric material layers over a semiconductor substrate; forming metal pads in a topmost layer of the dielectric material layers; forming a passivation layer stack including a first dielectric diffusion barrier layer, a silicate glass layer, a second dielectric diffusion barrier layer, and a polymer layer; forming openings through the passivation layer stack over the metal pads; forming die bump structures on the metal pads; and dicing a wafer including the passivation layer stack, the dielectric material layers, and the semiconductor substrate along dicing channels into a plurality of semiconductor dies.

Providing new ways to reduce stress. [Solution] A composition for reducing stress, comprising a diamine and / or a polyamine.

A method performed by a computing system that facilitates formation of an object comprises receiving manufacturing process data associated with an object to be formed via a drape-forming operation. The computing system receives a parametric model of the object. The parametric model facilitates specification of a radius of a fillet within a region associated with the object. The computing system determines, based on the parametric model of the object, a unit vector field associated with a surface of the object and the manufacturing process data. The computing system adjusts the radius of the fillet of the parametric model within the region to reduce an average divergence of the vector field to a minimum amount, and communicates output data associated with an adjusted parametric model to equipment configured to form a mandrel that facilitates formation of the object.

The invention discloses a structure and process method for reducing casting thermal stress of a large U-shaped piece, and belongs to the technical field of casting thermal stress reduction, the structure comprises the U-shaped piece composed of a bottom plate, two lug plates, an inner side rib and an outer side rib, and further comprises a hand-in-hand process structure arranged between the two lug plates on the U-shaped piece; the hand-in-hand process structure comprises four small lug plates and two process ribs; the four small lug plates are respectively arranged on the two lug plates, and two small lug plates are correspondingly arranged on each lug plate; the two process ribs are respectively connected with the opposite small lug plates on the two lug plates; and the small lug plates and the process ribs are both of temporary structures and are cut off after the U-shaped part is subjected to heat treatment. According to the structure and the technological method for reducing the casting thermal stress of the large U-shaped part, the problems that in the prior art, the casting thermal stress in the U-shaped part and the casting residual stress of a special part are too large can be effectively solved.