20results about How to "Guaranteed Performance Requirements" patented technology

The invention relates to the technical field of big data storage, in particular to a storage control method and device based on big data. The method comprises the following steps: acquiring an original data stream and application demand information; performing data dynamic correlation analysis on the original data flow according to the application demand information to obtain a dynamic update data correlation graph; performing feature vector generation on the dynamic update data association graph to obtain a data feature vector; performing intelligent quality evaluation on the data feature vector to obtain a data quality label; performing timeliness evaluation according to the data feature vector, and performing access popularity evaluation to obtain a timeliness score and an access popularity score; and acquiring system resource load condition information. The storage resource utilization rate, the data access performance and the overall efficiency of the system are improved by solving the limitation of a traditional method in the aspects of static data management and resource allocation.

The invention aims to provide an efficient memory allocation and recovery method for an Android device, and relates to the technical field of memory processing, the method comprises the following steps: step 1: obtaining running data of the Android device, and calculating a memory state entropy based on the running data; calculating a memory fragment risk degree in combination with the priority matrix and the operation data; 2, calculating a memory allocation dynamic threshold according to the memory fragmentation risk degree; calculating a self-adaptive memory compression rate; step 3, using a self-adaptive memory compression rate to compress memory data which is not used by the Android device at present; the page number of the activity process is lower than the set minimum page threshold value; 4, if the memory fragmentation risk degree exceeds a set fragmentation threshold value, the Android device executes memory fragmentation; and averagely distributing the residual memory capacity to all the active processes. According to the invention, accurate allocation and efficient recovery of memory resources are realized.

The invention relates to the technical field of CPU card security chips, and discloses a low-power-consumption design method and system for a CPU card security chip, and the method comprises the steps: carrying out the current waveform sampling of a secret key storage region, an encryption operation unit and an identity authentication processor of the CPU card security chip, recording current data when the CPU card security chip executes data encryption, identity authentication and security calculation to obtain a feature parameter set of the security function module; establishing an encryption operation power consumption model and an identity authentication power consumption model, and obtaining power consumption characteristic matrixes under different key lengths through piecewise linear fitting; classifying the security application tasks to obtain a multi-level security task classification table; according to the multi-level security task classification table, a differential power consumption attack protection strategy is executed, the working voltage and frequency configuration sequence of each security function module is calculated, the optimal balance of power consumption and performance is achieved under different key lengths, and the comprehensive performance of the CPU card security chip is improved.

The invention relates to the technical field of aero-engine titanium alloy rotor blade repair, in particular to a stress regulation and control method for improving fatigue strength of a titanium alloy rotor blade after welding repair, which comprises the following steps: vacuum heat treatment, self-adaptive machining, first vibration finishing, laser shock peening, shot peening and second vibration finishing. Performing vacuum heat treatment on the blade subjected to electron beam welding repair; a machining program is compiled, machining is conducted on the patch repairing area, and the blade with the profile size meeting the use requirement is obtained; and after the first time of vibration finishing, laser strengthening equipment is used for carrying out laser strengthening on the blade area needing to be strengthened, shot blasting is carried out, then second time of vibration finishing is carried out, and the stress regulation and control method is completed. The vibration fatigue strength of the repaired blade is improved by 30% compared with that of a welding heating treatment process, the service life of the blade is effectively prolonged, the use performance requirement of parts is met, the maintenance and part replacement cost of an aero-engine is reduced, and the method has large economic benefits.

The invention relates to the technical field of steel and iron materials and preparation thereof, in particular to extra-thick high-strength and high-toughness rack steel for an ocean platform and a manufacturing method of the extra-thick high-strength and high-toughness rack steel. The sum of the mass percent of the V element and the mass percent of the Nb element in the steel plate element composition ranges from 0.09% to 0.12%; the ratio of the mass percent of the V element to the mass percent of the Nb element is controlled to be 2: 1. A heat treatment process of quenching twice after controlled rolling and high-temperature tempering is adopted, a Ni-Cr-Mo alloying component system is utilized, steel of a tempered martensite structure is obtained, the maximum thickness can reach 210 mm, and the finally obtained steel plate has the yield strength larger than 880 MPa, the tensile strength larger than 1000 MPa, the Charpy V-notch impact energy at the temperature of-60 DEG C larger than 170 J and the percentage elongation after fracture larger than 17%. The steel plate is simple in production process, low in cost, good in structure uniformity in the thickness direction and excellent in obdurability matching, and can be used for manufacturing racks for ocean platforms.

The utility model belongs to the field of linear motors, and particularly relates to a linear motor mover and a linear motor thereof, which comprise a mover shell, a motor coil assembly, a driver and an encoder reading head, one end of the motor coil assembly is fixedly connected to the rotor shell, and the other end protrudes out of the rotor shell; the rotor shell is provided with a cavity, the driver is arranged in the cavity, and the driver is electrically connected with the motor coil assembly; according to the linear motor mover, the driver, the encoder reading head and the motor coil assembly are integrated, and compared with a traditional linear motor mover, the number of wires is greatly reduced, the installation structure is simplified, the failure rate is reduced, and the reliability of the motor is improved. Wherein the driver is encapsulated in the cavity of the rotor shell through the pouring sealant, and meanwhile, a connecting line of the driver and the motor coil assembly is also fixed by the pouring sealant, so that the fixing stability of the driver and the connecting line of the driver and the motor coil assembly is ensured.

The utility model provides a kind of medicinal aluminum foil based on infrared wave anti-fake technology, the medicinal aluminum foil sequentially includes heat-sealing layer, aluminum foil substrate layer, infrared anti-fake layer and protective layer;From the direction of aluminum foil substrate layer to protective layer, the infrared anti-fake layer sequentially includes reflecting layer, interval layer and rare earth material layer.Can improve the anti-fake effect of medicine.

The invention discloses a circuit board and a manufacturing method thereof, the circuit board comprises a first circuit layer, an insulating layer, a second circuit layer, a first conduction part and a conductive part, and the first circuit layer comprises a connecting pad; the insulating layer is located on the surface of the first circuit layer; the second circuit layer is located on the surface of the insulating layer, and a first through hole penetrates through the second circuit layer, the insulating layer and the connecting pad; the first conduction part penetrates through the first through hole, the first conduction part comprises a first part and a second part which are connected with each other, the first part is located in the first through hole, the second part protrudes out of the surface of the connecting pad, and the first conduction part is formed in an electroplating mode; the conductive portion covers the second portion and extends to a portion of the surface of the connection pad. According to the circuit board and the manufacturing method thereof, the second part protrudes out of the surface of the connecting pad, so that the connection reliability of the conduction part and the second part can be improved, the connection stability of an electronic element on the circuit board is further improved, and meanwhile, the size of the connecting pad can be effectively reduced.

The invention provides a video style conversion method and device based on a stable diffusion network, and a program product. The method comprises the following steps: receiving a video of a first video style; converting the video of the first video style into a video of a second video style by using an enhanced stable diffusion network according to the text indication of style conversion; the enhanced stable diffusion network is obtained through the following steps: S1, obtaining a lightweight Unet network through a distillation method iterative training mode; s2, the obtained lightweight UNet network is enhanced, an enhanced lightweight UNet network structure is obtained, and enhancement comprises the steps that a noise information reduction module is introduced; the noise information reduction module comprises a feature combination learning module; introducing a semantic segmentation graph module; a feature information enhancement module is introduced and comprises a pooling layer, a feature information connection module and a semantic segmentation fusion module. By means of the technical scheme, video style conversion can be completed, meanwhile, the equipment performance requirement needed by system operation is lowered, and the video conversion quality is improved.

The utility model belongs to garbage incinerator membrane type wall screen structure in the technical field of garbage incinerator. Membrane type wall pipe screen includes many pipe fittings (6), adjacent pipe fittings (6) welding connection, every pipe fitting (6) includes first pipe fitting subassembly (1), second pipe fitting subassembly (2), third pipe fitting subassembly (3), first tee (4), second tee (5), first tee (4) is connected between first pipe fitting subassembly (1) and second pipe fitting subassembly (2), second tee (5) is connected between second pipe fitting subassembly (2) and third pipe fitting subassembly (3). The garbage incinerator membrane type wall screen structure of the utility model, simple structure can reduce the labor intensity, improve the assembly efficiency.

The application provides a high-nitrogen nickel-free austenitic stainless steel component preparation method. The method is based on existing national standard ferritic stainless steel and heat-resistant steel S12791 and S13091 powder, and a high-nitrogen nickel-free austenitic stainless steel component is prepared through in-situ addition of MnN laser additive manufacturing, so as to solve the problems of complex traditional preparation process, high cost, long cycle and the like of the existing high-nitrogen nickel-free austenitic stainless steel component, the problem of difficult acquisition of laser additive manufacturing powder raw materials, and the problem of immature development of special high-nitrogen nickel-free austenitic stainless steel components, and belongs to the field of additive manufacturing.

The invention provides a light-emitting device detection method and device. The method comprises the following steps: in an independent test mode, sequentially driving a plurality of sub-pixels in a light-emitting device to emit light, and respectively performing an electrical test and a first optical test on the sub-pixels when each sub-pixel emits light to obtain independent test parameters; under the condition that the independent test parameters are qualified, carrying out hybrid test on the light-emitting device, and under the hybrid test mode, simultaneously driving a plurality of sub-pixels in the light-emitting device to emit light, and carrying out secondary optical test on the light-emitting device to obtain hybrid test parameters; and under the condition that the mixed test parameters are qualified, sorting the light-emitting devices based on the independent test parameters and the mixed test parameters.

This application relates to the technical field of artificial intelligence computing power, and in particular to a tidal computing power scheduling system and method for heterogeneous computing power resource pools. It includes: a computing power request parsing module, used to receive and parse computing power service requests to determine the computing power requirements corresponding to the tasks; a resource pool management module, used to manage the computing power resource pool; a priority scheduling module, used to obtain request information corresponding to the computing power service requests to determine task priorities, and configure corresponding resource allocation strategies based on task priorities; a node filtering module, used to filter computing nodes in the computing power resource pool according to computing power requirements; and a tidal dynamic scaling scheduling module, used to calculate the tidal period determination results and the load data of the computing power resource pool, and dynamically generate tidal dynamic actions in conjunction with a preset multi-level load threshold pipeline for tidal decision adjustment. This application achieves efficient utilization and intelligent elastic scaling of computing power resources.

This invention provides a composite steel plate comprising a base layer and a cladding layer on top of the base layer. The composite steel plate has a thickness of 60-120 mm, the cladding layer is made of stainless steel, the base layer is made of carbon steel, and the bond strength between the base layer and the cladding layer is above 500 MPa. The composite steel plate of this invention exhibits excellent tensile properties, low-temperature impact resistance, and interlayer bonding performance. This invention also provides a method for preparing the above-mentioned composite steel plate.

The utility model discloses an automobile rolling threshold structure which comprises a threshold inner plate, the threshold inner plate is of a bent structure and comprises a first edge, a second edge, a third edge and a fourth edge which are connected in sequence, corners at the connecting positions of the edges are all round corners, and the round corner between the second edge and the third edge comprises an arc face I, an inclined face and an arc face II. The second edge is tangentially connected with one end of the arc surface, the other end of the arc surface is tangentially connected with the inclined surface, the other end of the inclined surface is tangentially connected with the arc surface II, and the other end of the arc surface II is tangentially connected with the third edge. Through the structural design at the R corner of the doorsill inner plate, on the premise that the performance requirement of the whole vehicle is guaranteed, the weight and cost of the vehicle body are not increased, and meanwhile the problems existing in an avoiding structure at the R corner of the doorsill are solved.

The present application belongs to the technical field of metal material preparation, and particularly relates to a method for producing green ultra-low-nitrogen bearing steel by an ecological electric furnace and the ultra-low-nitrogen bearing steel thereof. The method for producing green ultra-low-nitrogen bearing steel GCr15-LN by an ecological electric furnace and the ultra-low-nitrogen bearing steel thereof adopt the production of high-carbon chromium bearing steel GCr15-LN by "ECOARC ecological electric furnace smelting + LF furnace refining + RH vacuum treatment + continuous casting + rolling", effectively control the nitrogen content of the steel, and ensure the performance requirements of the high-carbon chromium bearing steel, and have the characteristics of ultra-low-nitrogen and long service life. The present application smelts by using scrap steel, reduces carbon emissions, and realizes stable production of low-cost ultra-low-nitrogen green bearing steel.

This utility model discloses a two-stage expansion muffler for a compressor, belonging to the field of compressor technology. It includes a muffler cavity with an inlet pipe outside the cavity. A flow-dividing cavity is located inside the cavity, corresponding to the output end of the inlet pipe. A flow-dividing hole is provided on the cavity wall of the flow-dividing cavity, which connects to the inlet pipe. The diameters of both the flow-dividing hole and the inlet pipe are smaller than the internal space dimensions of the flow-dividing cavity. The flow-dividing cavity, connected to the inlet pipe, provides semi-directional flow guidance for the refrigerant entering the muffler. The internal space dimensions of the flow-dividing cavity are larger than the cross-sectional area of ​​the inlet pipe's hole but smaller than the internal volume of the muffler cavity. The refrigerant enters from the inlet pipe into the flow-dividing cavity and then from the flow-dividing cavity into the muffler cavity, forming a two-stage expansion impedance muffler structure that filters noise.

The invention relates to a production method of supporting roll steel, belongs to the field of smelting industry, and solves the problems that the existing supporting roll steel is high in cost, and the shrinkage porosity of a core shrinkage cavity is serious. The production method of the supporting roller steel comprises the following steps: smelting a supporting roller steel ingot raw material, deoxidizing, desulfurizing and refining, adjusting alloy components to obtain a first part of supporting roller molten steel, tapping, pouring in vacuum, and solidifying to obtain a first part of supporting roller steel ingot solidified blank shell and liquid molten steel in the blank shell; the method comprises the following steps: smelting, deoxidizing, desulfurizing and refining raw materials of a supporting roll steel ingot, adjusting alloy components to obtain a second part of supporting roll molten steel, tapping, uniformly mixing the second part of supporting roll molten steel with liquid molten steel in a solidified blank shell of the first part of supporting roll steel ingot, carrying out vacuum pouring and solidification to obtain a complete supporting roll steel ingot, demolding, and cutting off a water gap to obtain the supporting roll steel ingot. Forging forming, dead head cutting, heat treatment and machining are carried out to obtain the supporting roll steel. The molten steel components of the first part supporting roller and the molten steel components of the second part supporting roller are different.

The application provides an engine rotor blade tip multi-parameter design method, system and related device, relates to the rotor blade tip design technical field, and the design method comprises the following steps: S1, calculating a blade tip deformation amount, and drawing a blade tip thermal profile; S2, according to the blade tip thermal profile and the blade tip deformation amount, a blade tip final shape is drawn; S3, the deformation amount of a machine case is calculated, and a machine case cold profile is drawn; and S4, according to the machine case cold profile and the blade tip final shape, the cold installation gap of the blade tip and the machine case is determined. The application can ensure the safe operation of the engine under the condition of ensuring the performance requirements of the engine, and greatly improves the rationality of the gap design.

A size control method of a rubber vulcanized product comprises the following steps: firstly determining the size of the rubber vulcanized product in practical application, then determining the shrinkage rate of rubber in a manufacturing process, and then setting the size of a space for injecting rubber in a mold according to the shrinkage rate of the rubber, so as to determine the size of the mold for producing the rubber vulcanized product. Therefore, a rubber vulcanized product meeting the design size requirement is produced. The total shrinkage rate of a rubber vulcanization product is accurately determined from six aspects influencing the rubber shrinkage rate, and the size of a space for injecting rubber in a mold is accurately calculated through a formula according to the actual size of the product to be produced, so that the size of the product after mold stripping can be highly close to the design size of the product, and the production efficiency is improved. Therefore, the precision of a rubber vulcanization product is greatly improved, and the performance requirement of a high-precision product is ensured.