35 results about "Thermal relaxation" patented technology

The invention relates to the technical field of infrared thermal imaging, in particular to a human body analysis method and system based on an infrared thermal image. The method comprises the following steps: acquiring an infrared thermal image sequence of a limb to be detected in a thermal relaxation process; segmenting the image sequence, constructing a topological center line of an effective contour, and defining a heat flow reference direction based on the geometric width change of a cross section along the center line; a temperature gradient vector field is calculated, and an area with the gradient direction and the heat flow reference direction in reverse distribution and containing a closed isotherm is screened out to serve as a thermal topology abnormal area; establishing a biological heat transfer model taking the surface temperature as a boundary condition, performing inverse solution on the thermal topology abnormal region, and performing inverse calculation on a heat source parameter corresponding to the subcutaneous depth; and when the heat source parameter exceeds a threshold value, generating a damage early warning. According to the method, by quantifying metabolic heat abnormality caused by inflammation in tissues, accurate positioning and quantitative evaluation of deep injury of limbs are realized, and the accuracy of human injury detection is remarkably improved.

The invention discloses a welding seam detection remanufacturing system and device for a hydraulic support, particularly relates to the technical field of mining equipment remanufacturing, and is used for solving the problems of secondary stress migration and base material cracking caused by local heat input during in-situ repair of a box type structural part. A data acquisition module is used for acquiring contour coordinates of a repair area and thickness distribution of base metal; the unit division module divides a stress buffer unit containing a heat input regulation and control subarea based on the thickness gradient and the rib plate layout; the boundary redivision module dynamically optimizes the subarea boundary through geomagnetic field gradient scanning; the heat shock control module executes layered repair welding and activates subarea heat input in sequence; the energy ratio monitoring module switches the activation sub-regions in real time according to the acoustic emission energy ratio to block microscopic plastic deformation; the stress processing module eliminates a migration stress peak value through external expansion area residual stress scanning and local thermal relaxation; the whole-process regulation and control of the stress evolution in the repairing process are realized, and the repairing safety and the service life of the box type structural member are guaranteed under the immovable working condition.

The application discloses a battery thermal runaway early warning method and system, relates to the technical field of battery safety, and uses a current step drop process as a diagnostic excitation. Instead of directly predicting a thermal runaway risk, the application first establishes a normal thermal relaxation baseline and a prediction interval, so as to describe how the temperature should change after the current drops under normal circumstances. Deviation of the actual temperature from the baseline is used as an abnormality judgment basis, so that normal thermal responses and abnormal residuals can be more clearly distinguished. Moreover, the prediction is only performed after the window is valid and decoupling is established, so that the influence of invalid sampling points, cooling disturbances and normal load changes on the prediction result of the model can be reduced. The application further discloses a battery thermal runaway early warning system for implementing the battery thermal runaway early warning method.

This invention discloses a method for controlling the thermal relaxation path of superconducting nanostructures and its application. This method utilizes a van der Waals integration strategy to sequentially fabricate a molybdenum disulfide layer on a silicon / silicon oxide substrate using chemical solution deposition and a niobium nitride superconducting layer using magnetron sputtering, constructing a niobium nitride / molybdenum disulfide heterostructure with intrinsic anisotropic thermal conductivity. Superconducting nanodevices with specific geometric configurations are designed for this heterostructure. Leveraging the ultra-high in-plane thermal conductivity of molybdenum disulfide and its suppressed out-of-plane heat transfer characteristics, the method achieves directional control of the internal thermal relaxation path of the superconducting nanostructure, verifying its dual advantages of optimizing thermal management and enhancing superconducting performance. The control method of this invention is mature and controllable, effectively transforming disordered thermal relaxation into directional heat transfer, significantly improving the thermal stability and integration density of superconducting devices, and providing a core solution for the thermal management of nanocircuits in fields such as superconducting quantum computing and high-sensitivity quantum detection.

This invention relates to the field of industrial Internet of Things (IoT) technology, and particularly to a data fusion decision optimization method, device, and storage medium based on artificial intelligence. The method includes: identifying start-stop events and extracting mechanical impact response windows and thermal relaxation response windows; determining impact characteristic metrics based on vibration signals within the mechanical impact response windows, determining thermal relaxation characteristic metrics based on temperature decay processes within the thermal relaxation response windows, and thus determining the insulation fatigue damage degree; determining a fatigue accumulation index based on the impact characteristic metrics and thermal relaxation characteristic metrics, and thus determining the insulation fatigue damage degree; determining an electrical stress accumulation metric based on stator current harmonic characteristics; determining the health status by comprehensively considering the insulation fatigue damage degree and electrical stress accumulation metric within a management cycle, and providing maintenance prompts. This invention achieves accurate assessment and graded early warning of insulation health status, significantly improving the intelligent level and reliability of motor stator winding operation and maintenance under frequent start-stop conditions.

The application provides a ladle slide plate and a preparation device, and belongs to the technical field of the ladle slide plate, and solves the problems of difficult stress release and easy cracking deformation of the slide plate under high-temperature thermal relaxation cycle. The slide plate comprises a base layer, a symmetric working layer, a peripheral buffer layer and a supporting shell, the buffer layer is composed of an elastic layer and a rigid layer, the two layers are inclined and attached at an angle of 15-30 degrees, a gap is filled with a buffer strip, the elastic layer slips to release force when thermal expansion, and the elastic layer and the buffer strip are reset cooperatively when cooling, and each layer is made of adaptive refractory and heat-resistant steel material. The preparation device is provided with a press with three sets of male and female molds, a matched quantitative powder feeding assembly, a female mold with a built-in graphite lubricant coating structure and a blank body transfer mechanism, and through three-station step pressing, directional powder feeding, interface lubrication preposition and automatic transfer, the slide plate is uniformly formed and integrated. The application improves the anti-thermal deformation cracking capacity of the slide plate, guarantees the forming quality, and is suitable for the harsh service environment of steel smelting.

The application relates to a high-definition flexible optical film and a preparation method thereof. PET master batches, PEN master batches, flexible polyester elastomers and a nano composite dispersion liquid are subjected to melt extrusion, asynchronous bidirectional stretching, in-situ heat relaxation and cooling and winding to obtain the optical film, wherein the nano composite dispersion liquid comprises mCNC, SEBS, SA-BaSO4 and ethylene glycol. The application effectively reduces light scattering and greatly improves high-definition optical performance by using refractive index matched modified nano barium sulfate and highly dispersed modified nano cellulose crystals; the modified nano cellulose crystals improve the high compatibility and thermal stability of the PET base material, so that the PET base material can effectively transfer and disperse stress; SEBS and the composite flexible polyester elastomer synergistically toughen, internal stress is released and a flexible microstructure is constructed by combining the asynchronous stretching and heat relaxation process, so that the film is endowed with super-flexibility; the components have good compatibility, the film size is stable, and there is no rainbow stripe.

This invention relates to the field of infrared thermal imaging technology, specifically to a method and system for human body analysis based on infrared thermal images. The method includes: acquiring a sequence of infrared thermal images of the limb under test during thermal relaxation; segmenting the image sequence and constructing a topological midline of an effective contour, defining a reference direction for heat flow based on the change in cross-sectional geometric width along the midline; calculating the temperature gradient vector field, selecting regions whose gradient direction is inversely distributed to the reference direction of heat flow and containing closed isotherms as thermal topological anomaly regions; establishing a biological heat transfer model with surface temperature as the boundary condition, performing inverse solving on the thermal topological anomaly regions, and calculating the heat source parameters at the corresponding subcutaneous depth; generating a damage warning when the heat source parameters exceed a threshold. This invention, by quantifying metabolic thermal anomalies caused by inflammation within tissues, achieves precise localization and quantitative assessment of deep limb injuries, significantly improving the accuracy of human injury detection.

The invention discloses an on-chip stimulated Raman photo-thermal gas sensing system and method, and particularly relates to the technical field of gas analysis and measurement. Pump light and Stokes light interact with gas to be detected in a sensing waveguide evanescent field area to excite gas molecules to generate a stimulated Raman process and generate local temperature rise through thermal relaxation, so that the refractive index change of the gas is caused, and probe light generates a phase modulation signal related to the refractive index change. Phase modulation signals and background phase disturbance related to the gas photothermal effect are distinguished and differentiated, so that phase background noise is suppressed, and the signal-to-noise ratio and sensitivity of gas measurement are improved. Functional units such as the laser, the sensing waveguide and the detector are integrated into a single chip to form a gas measurement system which is compact in structure, low in power consumption and high in anti-noise capability, and the problems of weak signal, high background noise and low integration level in traditional waveguide Raman gas measurement are effectively solved.

This invention relates to the field of composite piezoelectric materials, and more particularly to a polyacrylonitrile fiber composite piezoelectric material and its preparation method. The preparation method provided by this invention first utilizes a coating method to prepare a composite fiber membrane. The interfacial interaction—microphase synergy effect—formed by the coating between the EP matrix and the piezoelectric active layer effectively suppresses the random entanglement and thermal relaxation of the molecular chains in the piezoelectric active layer. Subsequently, corona polarization is used to induce the molecular chains of the piezoelectric active layer to oriented along the electric field direction, which can significantly increase the proportion of the planar serrated conformation of the piezoelectric active layer. This preparation method has strong process compatibility, controllable preparation cost, and is suitable for large-scale industrial production. The prepared composite piezoelectric material does not require complex multilayer structures or additional doping modifications to achieve directional improvement and long-term stability of the piezoelectric coefficient, and has excellent reusability, which is expected to meet the needs of diverse application scenarios.

The invention relates to the field of laser processing, and discloses a laser beam processing treatment process for the surface of a steel bridge component, which comprises the following steps: a laser beam deflection unit drives a laser beam to carry out area scanning on the surface of the component, and a photoelectric sensing unit is used for collecting a reflection intensity signal; the control unit extracts a signal amplitude mean value to construct a feature sequence and compares the feature sequence with an oxidation judgment benchmark; and when the amplitude is in a switching interval, bidirectional scanning is switched into unidirectional intermittent scanning by modulating a galvanometer motor driving signal, and a thermal relaxation gap is constructed by using a motor commutation dead zone so as to synchronously block laser energy. Transient heat at the edge of a processing area is effectively induced to diffuse, the interface peak temperature is maintained below the oxidation critical point of a base body, and the problems of base material ablation and oxidation caused by light spot reversing staying are solved on the basis of guaranteeing pollutant stripping.

The invention relates to a high-definition flexible optical film and a preparation method thereof, the high-definition flexible optical film is prepared by melt extrusion, asynchronous two-way stretching, in-situ thermal relaxation, cooling and rolling of raw materials of PET master batch, PEN master batch, flexible polyester elastomer and nano composite dispersion liquid, and the nano composite dispersion liquid comprises mCNC, SEBS, SA-BaSO4 and ethylene glycol. By using the modified nano barium sulfate with matched refractive index and the highly dispersed modified nano cellulose crystal, the light scattering is effectively reduced, and the high-definition optical performance is greatly improved; the modified nano cellulose crystal improves the high compatibility and thermal stability with a PET base material, so that the modified nano cellulose crystal can effectively transfer and disperse stress; sEBS and the composite flexible polyester elastomer are synergistically toughened, and asynchronous stretching and thermal relaxation processes are combined to release internal stress and construct a flexible microstructure, so that the film is endowed with a super-soft characteristic; all the components are good in compatibility, and the film is stable in size and free of rainbow lines.

The invention, which relates to the technical field of flight path prediction and control, discloses a power transmission line-oriented guide and ground wire edge end dynamic fitting line-imitating flight system, the system firstly fuses an inspection basic data set, and creatively constructs multi-dimensional asymmetric risk characteristics such as thermal relaxation and line spacing deviation around the physical characteristic difference of a guide and ground wire; thirdly, constructing a risk level prediction model to perform time sequence modeling on the risk features so as to predict a flight risk score value in a future time period; then, a dynamic three-dimensional risk map is generated based on a prediction result, and preliminary path planning is guided; and finally, through path margin conformity evaluation and iterative correction of a closed loop, resolving and ensuring that the minimum clearance distance between the final path and the dynamic no-fly envelope meets the safety requirement. According to the invention, the technical problem that the traditional line-imitating flight is difficult to deal with the dynamic concealment risk of the lead is solved, and the safety, autonomy and environmental adaptability of the inspection flight are improved.

This invention relates to the field of fiber optic temperature measurement technology, specifically to a high-temperature sensor based on a torsion-type long-period fiber grating and its fabrication method. The fabrication process includes: fixing an optical fiber to a rotating fixture and rotating it by a preset angle to prepare an optical fiber with a preset torsional stress field; controlling a laser and a displacement platform to alternately perform fixed-point pulse irradiation and step-by-step movement to induce thermal relaxation of the stress field to prepare the grating; collecting transmission spectral data and controlling the processing equipment based on power loss values; and calculating the temperature sensitivity coefficient. In this invention, by pre-setting a torsional stress field and inducing periodic thermal relaxation of stress, dependence on photosensitive doping materials is eliminated, mechanical strength is maintained, and efficient refractive index modulation is achieved, resulting in excellent thermal stability. Combined with real-time spectral acquisition and loss analysis, a closed-loop feedback is constructed to precisely adjust irradiation parameters, improving temperature sensitivity and linearity, and solving the problems of low yield and poor long-term stability associated with traditional processes.

This invention relates to the field of laser surface engineering technology, specifically to a laser irradiation-induced coating cracking device and method. The device includes a laser generation and output unit, a beam transmission and dynamic focusing unit, an online monitoring and feedback unit, and a central control unit. In this invention, by collecting crack morphology data and thermophysical parameters of the coating surface, a repair mode or a prevention mode is intelligently switched. In repair mode, the beam is controlled to perform low-power defocus scanning along both sides of the crack to construct a preheating relaxation zone, followed by high-power focusing scanning along the crack center to induce dense remelting. In prevention mode, a grid-like laser shock treatment is performed to construct a compressive stress layer. By utilizing infrared and visual dual feedback to correct the laser output energy in real time, active control of coating stress and non-destructive healing of defects are achieved, solving the problem of coating peeling and thermal damage easily caused by traditional thermal repair, and improving the structural integrity and service life of precision coated components.

The invention relates to the technical field of non-ferrous metal hydrometallurgy, and discloses a multi-layer film-coated fully-sealed anode and a manufacturing method thereof, and the multi-layer film-coated fully-sealed anode comprises an anode diaphragm frame, an anode matrix fixed in the frame, a multi-layer composite film assembly coating the outer side of the matrix, a sealing fastener and a fluid pipeline interface. And the sealing fastener penetrates through the edge of the anode diaphragm frame to press and fix the multi-layer composite membrane assembly on the plane sealing combination surface of the frame, so that a physically fully-sealed anode chamber is constructed. The multi-layer composite membrane assembly is sequentially provided with a runner supporting layer, a main isolating layer, a buffer layer, a chemical protective layer and a physical protective layer from inside to outside. The thermal relaxation effect of the engineering plastic and the film material is eliminated by using a thermal state fastening process, and the sealing stability in a high-temperature acid environment is ensured; a one-way permeation mechanism from catholyte to an anode chamber is established by controlling the liquid level difference of the two sides of the membrane, and anode products are physically prevented from diffusing outwards in cooperation with a micro-negative-pressure exhaust and independent circulation system.

The invention relates to a device and a method for simultaneously realizing anti-adhesion and high-conductivity carbon nanofiber preparation, and belongs to the technical field of carbon nanofiber preparation. The invention aims to overcome the defects of the existing carbon nanofiber pre-oxidation technology, and firstly, the problem of interlayer adhesion caused by melting in the heat treatment process of a fiber membrane is solved; and secondly, the problem of low conductivity of the final carbon fiber product caused by shrinkage and disorientation of the fiber due to thermal relaxation in the traditional static pre-oxidation process is solved. In order to solve the problems, the invention aims to provide a method and a device capable of synchronously realizing anti-adhesion and high-orientation pre-oxidation so as to prepare high-conductivity carbon nanofibers.

This invention provides a method for preparing PVDF-based piezoelectric products using a micro-injection molding process based on anti-chain relaxation. The method involves melt-blending 94–98.5 parts by weight of PVDF, 1–5 parts by weight of ionic liquid, and 0.5–1 parts by weight of one-dimensional / two-dimensional carbon-based conductive filler to obtain a polyvinylidene fluoride composite material. This material is then injected into a mold for the desired piezoelectric product using a micro-injection molding machine, resulting in the PVDF-based piezoelectric product. This method utilizes the strong shear field involved in the micro-injection molding process to promote the orientation of PVDF molecular chains. Combined with the introduction of ionic liquid to induce the formation of polar crystals in the PVDF piezoelectric material and suppress the local thermal relaxation behavior of the PVDF molecular chains, this significantly reduces PVDF chain relaxation, facilitating the formation of a highly oriented β-polar phase and substantially improving the piezoelectric performance of PVDF-based piezoelectric devices.

The application discloses a weld seam detection remanufacturing system and device for hydraulic support, and particularly relates to the field of remanufacturing technology of mining equipment, and is used for solving the secondary stress migration and base metal cracking problems caused by local heat input during in-situ repair of box-shaped structural parts; the data acquisition module is used for collecting the repair area contour coordinates and the base metal thickness distribution; the unit division module is used for dividing the stress buffer unit containing the heat input control sub-area based on the thickness gradient and the rib plate layout; the boundary redivision module is used for dynamically optimizing the sub-area boundary through the geomagnetic field gradient scanning; the thermal excitation control module is used for performing layered repair welding and sequentially activating the sub-area heat input; the energy ratio monitoring module is used for switching and activating the sub-area in real time according to the acoustic emission energy ratio to block the microscopic plastic deformation; the stress processing module is used for eliminating the migration stress peak value through the residual stress scanning of the expanded area and the local thermal relaxation; the whole process regulation of the stress evolution during the repair process is realized, and the repair safety and service life of the box-shaped structural parts are ensured under the unmovable working condition.

The invention relates to a stretching method for hollow two-component fiber production, which comprises the following steps of: preheating and relaxing treatment: preheating and relaxing hollow two-component fiber pre-oriented yarns subjected to spinning and preliminary cooling and curing at a first temperature T1; the first temperature T1 is higher than the glass transition temperature Tg of the two polymer components in the fiber, but lower than the lower crystallization temperature Tc of the two polymer components; two-stage progressive stretching: first-stage stretching: carrying out first-stage stretching at a second temperature T2 at a stretching rate lambda1; second-stage stretching: immediately carrying out second-stage stretching at a third temperature T3 at the total stretching rate lambda; the fibers stretched in the step S2 are subjected to heat setting treatment at the fourth temperature T4, the fourth temperature T4 is higher than the third temperature T3, and the fourth temperature T4 is lower than the low melting point temperature Tm in the two polymer components; and cooling and winding. According to the invention, a hollow structure can be stably maintained, good combination of two-component interfaces is promoted, and collaborative optimization of fiber performance is realized.

The invention relates to the technical field of rail transit overhead line system detection, and discloses an overhead line system fluorescent fingerprint damage diagnosis method which comprises the following steps: forming a multi-mode excitation field by adjusting the energy density of a pulse laser beam and switching an excitation light path; collecting a contact net wearing surface fluorescence signal and constructing an intrinsic fluorescence signal matrix; calculating a geometric chemical coupling index and a rotation correlation time constant, and constructing a three-dimensional state characteristic vector; and determining a damage type based on a falling area of the three-dimensional state feature vector in the diagnosis feature space. According to the method, the geometric chemical coupling index is obtained through a double-angle power modulation differential excitation mechanism, and decoupling of macroscopic morphology damage and microscopic material attribute degradation is achieved; the microcosmic lattice binding capacity is quantified through rotation related time constants, and lattice thermal relaxation and non-crystallization phase change damage are recognized; interference is eliminated by using the difference between the metal oxide and the organic pollutant in nonlinear response characteristics, and the contact network damage diagnosis precision in a complex environment is improved.

This invention relates to the field of acoustic wave modulation, and proposes a thermoacoustic signal modulation system and method, including a thermoacoustic modulation device and a closed-loop feedback control circuit. The thermoacoustic modulation device includes a medium for propagating sound waves and a thermal modulation unit integrated on or near it. The thermal modulation unit has temperature-sensitive electrical characteristics, and its electrical parameters are functionally related to temperature. The closed-loop feedback control circuit is electrically connected to the thermal modulation unit, determines the current temperature state based on the real-time electrical parameters of the thermal modulation unit, and generates driving power applied to the thermal modulation unit when there is a deviation between the target control signal and the current temperature state. The closed-loop feedback control circuit applies transient overdrive power to the thermal modulation unit when the temperature deviates passively or actively from the target temperature, so as to quickly reach and lock the target temperature. This transforms temperature modulation from passive thermal relaxation to active control based on electrical feedback.

The present application relates to the technical field of nylon fiber, and more particularly to an antibacterial and flame-retardant nylon fiber and a preparation method thereof, comprising the following steps: S1, in-situ polymerization modification of nylon chip with phosphorus-nitrogen functional monomer; S2, in-situ construction of copper ion coordination and antibacterial functional layer; S3, surface grafting and thermal crosslinking of the dense crosslinked flame-retardant antibacterial layer of the skin layer; and S4, thermal relaxation and functional activation. The present application realizes chemical bonding and coupling of the antibacterial function and the flame-retardant function at the molecular level through the composite technology of in-situ polymerization covalent grafting, copper-phosphorus-nitrogen ternary coordination chelation and three-dimensional thermal crosslinking of the surface layer, and discards the traditional modification mode of physical blending and simple superposition. Meanwhile, the copper ion can catalyze the phosphorus-nitrogen system to form carbon at high temperature, so that the residual carbon rate is improved, the positive synergy of antibacterial without weakening flame retardant and flame retardant without inhibiting antibacterial is realized, and the core problem of mutual interference and low effect of the existing antibacterial and flame-retardant nylon fiber is solved.

The invention discloses a preparation device of a high-imitation cotton textile fiber fabric, and relates to the technical field of textile machinery, the preparation device comprises a POY precursor supply device and an FDY precursor supply device which are arranged on the same spindle position, and a hot box comprises a first hot cavity, a second hot cavity and a third hot cavity which are sequentially arranged from top to bottom; the first heat cavity is configured to allow POY to penetrate through, and a heating plate is rotationally arranged in the first heat cavity. According to the preparation device of the high-imitation cotton textile fiber fabric, triple temperature gradients are achieved through a single heat source, POY filaments are fully heat-set in the first heat cavity of the high-temperature area, FDY filaments are gradually heat-relaxed in the second heat cavity and the third heat cavity of the medium-low-temperature area, and the technical problem that the heat treatment requirements of the POY filaments and the FDY filaments are greatly different is solved. Moreover, the internal stress of the FDY which is gradually loosened is basically eliminated, reliable skeleton support and strength are provided for the yarn, and the POY which is violently deformed at high temperature is easier to fluffy in subsequent heat treatment.

The invention provides a chemical kinetics measurement method for an air dissociation process, which comprises the following steps: synchronously detecting an air dissociation area by using a multi-channel spectrograph and a wide-spectrum radiometer to respectively obtain a multi-band spectral signal and a wide-spectrum thermal radiation energy spectrum signal; on the basis of the multiband spectral signal, identifying characteristic spectral lines of the target component and the free electron, and determining radiation intensity corresponding to each dissociation product; according to the radiation intensity corresponding to each dissociation product, combining with a local thermodynamic equilibrium or non-equilibrium radiation transfer model to invert instantaneous concentration distribution of each dissociation product; analyzing the dynamic thermal relaxation characteristic of the wide-spectrum thermal radiation energy spectrum signal to obtain the real-time temperature field and electron density data of the reaction area; and taking the instantaneous concentration distribution, the electron density and the temperature field data of each dissociation product as boundary conditions, substituting the boundary conditions into a rate equation set containing a non-equilibrium chemical-ionization reaction path, and determining a rate constant and a dominant path of a target reaction.

The application provides a heat relief method for a monochromator crystal, which comprises: a clamping assembly and a cooling base cooperating to clamp a non-light-receiving area of a crystal body and a heat exchange medium; a cooling liquid is introduced into a cooling channel on the cooling base; and an incident light is irradiated on a light-receiving area of the crystal body. In the application, the thickness of the non-light-receiving area is greater than that of the light-receiving area, and the two non-light-receiving areas can play a role in strengthening the structure and heat exchange of the light-receiving area, improving the cooling efficiency and strengthening the anti-warping ability of the crystal body; the heat absorbed by the crystal body can be transferred to the cooling base by the heat exchange medium and taken away by the cooling liquid circulating in the cooling channel, thereby effectively cooling the crystal body. The heat relief method can significantly improve the structural rigidity and anti-warping ability of the crystal body, maintain a high surface shape precision under high heat load, and be suitable for thin spectroscopic crystals.

The invention relates to the technical field of semiconductor thermal management, and discloses an edge computing task scheduling system of a diamond-based semiconductor device, which comprises an instruction preprocessing module, a thermal sensing control module and a scheduling execution module. The instruction preprocessing module reorganizes the instruction sequence into micro-slices and marks the micro-slices as a high-power burst type or a low-power gap-filling type. The thermal sensing control module calculates a predicted junction temperature based on the real-time voltage and current using a transient thermal impedance model. The scheduling execution module regulates and controls hardware according to a comparison result of the junction temperature and a safety threshold; when the junction temperature is safe, burst slicing is executed; when the junction temperature reaches the limit, the clock frequency and the voltage are kept unchanged, and a gap-filling slice is inserted and executed. According to the invention, the rapid thermal relaxation characteristic of the diamond substrate is utilized, active cooling of the device is realized through instruction flow gap filling on the premise of no frequency reduction and no voltage regulation, the switching overhead of the traditional frequency and voltage regulation technology is avoided, and the energy efficiency ratio and the thermal stability of the system are improved.

This invention relates to the field of fiber preparation technology and discloses a highly efficient method for preparing flame-retardant monofilaments. The method includes: surface activation of a polyamide matrix using radio frequency plasma to directionally introduce carboxyl functional groups; surface grafting modification of a composite flame-retardant masterbatch using a silane coupling agent to construct an interfacial transition layer; controlling the moisture content of the raw materials using a microwave-airflow combined drying system; achieving a gradient distribution of the flame retardant using a dual-channel spinning assembly; synergistically dispersing the nano-reinforcing phase and the flame retardant to construct a three-dimensional network structure, and forming nascent monofilaments using the spinning assembly; controlling the crystal structure through two-stage stretching involving wetting pre-orientation and dry heat main orientation; and stabilizing the fiber structure using a segmented temperature-controlled thermal relaxation process to obtain a finished monofilament product with flame-retardant properties. This invention achieves efficient and continuous production of flame-retardant monofilaments through the synergistic effect of plasma activation, gradient spinning, and staged orientation.

The invention relates to the technical field of bridge engineering structure health monitoring, and particularly discloses a stay cable PE sheath microcrack detection method and system. Multi-physical field response of a sheath is excited by applying broadband composite excitation, strain, acoustic emission and thermal relaxation signals are acquired by using an annular flexible sensing array, and abnormal points are preliminarily screened based on spatial gradient mutation detection; in combination with nonlinear harmonic recognition and adjacent sensor phase difference analysis, interference is eliminated layer by layer, and high-confidence crack candidates are screened out; the time-space consistency is verified through multiple times of non-continuous time period retests, and entity microcracks are confirmed; and finally, constructing a crack growth-environment coupling model, and realizing graded early warning according to the dynamic risk index. And high-sensitivity and high-efficiency automatic detection and scientific quantitative evaluation of the microcracks are realized.