25 results about "Design improvement" patented technology

The invention discloses a design method and application of a multi-stage centrifugal pump transition runner splitter plate. Relates to the design improvement of the transition runner splitter plate structure of the multi-stage middle-open centrifugal pump. By improving the structure of the transition flow channel, the hydraulic loss in the transition flow channel is reduced, the working efficiency is improved, and the purpose of saving energy is achieved. The method comprises the following steps that S1, a mathematical model of the deviation angle of the transition flow channel splitter plate is established, S2, numerical simulation verification of the multi-stage centrifugal pump is conducted according to the mathematical model, and S3, a target model is found according to the numerical simulation verification result. According to the design method, the hydraulic characteristics of the multi-stage centrifugal pump in actual operation are analyzed, the arrangement rule of the longitudinal splitter plates is creatively revealed, and a better solution of a target model is obtained on the basis of a nonlinear rule. According to the method, r / R and alpha serve as interactive variables, and the comprehensive influence of r / R and alpha on lift and efficiency is researched through numerical simulation. The limitation of a single parameter in a traditional design is broken through, and a new thought and technical means are provided for improving the performance of the multi-stage pump.

The invention discloses an integrated circuit temperature cycle experiment and test data processing method, and the method comprises the steps: carrying out the processing of the data obtained through the temperature cycle experiment and test of a target integrated circuit, and enabling an obtained target test result to reflect the performance of the target integrated circuit under different temperatures and different temperature changes. The method can be used for guiding the further improvement of the design of the target integrated circuit. Besides, in the process of obtaining the target test result, the failure rate of the target integrated circuit obtained through the detection means is compared with the failure rate obtained through the calculation means, so that whether the performance of the target integrated circuit is thoroughly mined or not and whether the robustness is completely utilized or not are determined; and conditions are provided for fully knowing the performance of the integrated circuit and subsequent design improvement.

The invention relates to the technical field of data security, can be applied to business scenes of financial science and technology, medical health and the like, and discloses a security processing method, device and equipment oriented to software development and a medium. Obtaining an architecture design document to identify potential safety hazards and generate design improvement suggestions; generating a code based on the business logic description and the design improvement suggestion, and completing security detection and repair to obtain a processed code and a code repair record; performing security test on the processed code and recording a test result; collecting data of exception identification, hidden danger identification, code detection and repair and security test to update the security knowledge base; and generating a security analysis report based on the demand exception list, the design improvement suggestion, the code repair record and the test result. According to the invention, through a security identification and restoration process from demand to test, early discovery of security problems, linkage processing and knowledge self-updating are realized.

The invention belongs to the field of virtual simulation and maintainability design, and particularly relates to a maintainability virtual simulation verification method based on a motion capture technology. The method comprises the steps of 1, obtaining a maintainability virtual simulation verification scheme through maintainability virtual simulation task planning; 2, constructing a simulation maintenance prototype model according to the maintainability virtual simulation verification scheme, wherein the simulation maintenance prototype model comprises a maintenance environment simulation model and a maintenance task simulation model; 3, according to the maintenance environment simulation model and the maintenance task simulation model, realizing immersive maintenance process simulation based on a motion capture technology, and obtaining simulation data; and 4, performing multi-dimensional evaluation according to the simulation data to obtain an evaluation result. And 5, generating a maintainability design improvement suggestion according to the evaluation result, returning to the step 2, and updating the maintenance environment simulation model and the maintenance task simulation model according to the maintainability design improvement suggestion until the maintainability design requirement is met.

The invention belongs to the field of airplane structure load analysis, and particularly relates to a statically indeterminate structure multi-intersection-point load analysis method. The statically indeterminate structure multi-intersection-point load analysis method based on the finite element is provided for the common multi-intersection-point component butt joint problem in an aircraft structure in combination with the structural design scheme design, preliminary design, detailed design and design improvement stages, and accurate loads can be rapidly obtained to be used for structural design in different stages.

The present application relates to the low-power consumption of SSD, and the method, device, computer equipment and storage medium of reliability detection, the method comprises: obtaining the life data of high-temperature SSD low-power consumption; according to life data, the shape parameter and scale parameter of weibull distribution are calculated; the weibull distribution hypothesis is checked; if the check passes, the use intensity of normal temperature SSD low-power consumption state and high-temperature life test acceleration factor are obtained; according to shape parameter, scale parameter, use intensity and acceleration factor, the low-power consumption of SSD is calculated to get reliability, and the detection result is generated.The present application can accurately evaluate the low-power consumption state in the client field failure probability, estimate the reliability that the product can reach after design improvement, and also give quantitative evaluation to the effect of design improvement.

The utility model relates to the technical field of continuous beam cantilever construction, including anti -overturning structure, the anti -overturning structure includes: barrel seat: coaxial cover is located outside the pier, is fixed through the nut and the locating screw rod on the pad screw joint, cross seat: coaxial cover is located outside the pier, and its bottom is fixed through the nut and the fixed screw rod of barrel seat top screw joint, column cylinder: fixed connection in cross seat bottom, connecting rod body: one end fixed connection with zero block bottom embedded spare, the other end extends to in the column cylinder, screw cylinder: screw joint in the column cylinder bottom, the utility model discloses rational in structure, realizes four -way spacing through anti -overturning structure, breaks symmetry construction limit, allows asymmetric operation, avoids one -sided delay influence whole, improves construction efficiency greatly, can provide stable support in construction and operation stage, solves the problem that the anti -overturning reserve is insufficient caused by traditional technology dependence structure symmetry, and the reliability and operation convenience of detail design improvement.

The invention relates to a method for designing a processor, which comprises the following steps of: acquiring performance data after running by utilizing an analog processor, and enabling initial hardware simulated by the analog processor to have a design improvement multiple relative to reference hardware, when the performance improvement of the performance data relative to the reference performance data of the reference hardware does not reach the design improvement multiple, adjusting initial software of the analog processor, and updating the analog processor according to the adjusted initial software; and repeating the steps until the performance improvement of the performance data relative to the reference performance data reaches the design improvement multiple. According to the method for designing the processor, resource waste caused by the fact that a hardware entity processor is adopted for design can be avoided, specification parameters or implementation strategies of hardware can be adjusted more conveniently, and the design efficiency of the processor is improved.

The invention relates to the technical field of server power supplies, and belongs to a design method of a server power supply supporting two main path output voltage modes. On the basis of the design architecture of the existing server power supply, a PFC (Power Factor Correction) functional module is kept unchanged, and software and hardware are simultaneously improved on a DCDC (Direct Current / Direct Current) module, so that the design of the server power supply is realized under the architecture of one server power supply. And two main path output voltage modes are supported. Hardware design of the server power supply supporting two main path output voltage modes is provided, and the design of the two main path output voltage modes of the server power supply can be realized by matching with design improvement of software in a DSP1. A customer can switch the output voltage of the main circuit at any time according to requirements. In addition, under the condition that the server system has a new power supply voltage requirement, the development period can be shortened.

This application relates to a method for evaluating the bending performance of a flexible screen. The evaluation method includes: providing a flexible screen, the flexible screen including a main body and a bending portion adjacent to the main body; applying pressure to the bending portion along a first direction; and obtaining a first pressure F corresponding to when the flexible screen is damaged by pressure. 1 Apply pressure along the second direction to the bent portion and obtain the second pressure F corresponding to the time when the flexible screen is damaged. 2 The second direction intersects the first direction; based on the first pressure F 1 and the second pressure F 2 The ultimate pressure F that causes the flexible screen to fail is calculated. This ultimate pressure F is used as an evaluation index for the strength of the bending zone. This evaluation index is a comprehensive assessment of the pressure bearing capacity of the bending part in different directions. Using this quantitative evaluation index as a reference can help improve the yield of products assembled by assembly personnel and can also provide valuable reference for designers when making design improvements.

This invention discloses a design method and system for smart energy meters with thermal coupling failure rate correction. The design method includes: calculating the original failure rate of each functional module based on the component stress method; calculating a thermal coupling failure rate correction factor based on the thermal coupling parameters between modules and correcting the original failure rate; evaluating the degree of thermal coupling degradation of each memory and determining the data migration direction through a forward coupling path; feeding back the power consumption change caused by data migration to the thermal coupling failure rate correction factor through a reverse coupling path for recalculation and iterative convergence; and performing targeted design improvements based on the corrected failure rate ranking to obtain an optimized design scheme. The design system includes a module partitioning and failure rate calculation unit, a thermal coupling correction calculation unit, a memory migration decision unit, a closed-loop iteration unit, and a design improvement output unit. These units work collaboratively to form an iterative convergence closed loop, outputting an optimized design scheme.

This invention relates to an improved wind-resistant design method based on inelastic performance and target reliability. It generates multi-sample wind load time histories based on wind load characteristic parameters and calculates the intensity reduction factor (Ri) corresponding to different storm durations under wind load based on a single-degree-of-freedom system. W The probability distribution function is used; the wind resistance intensity reduction coefficient related to storm duration is introduced to modify the ultimate limit state equation and design expression of wind resistance capacity; based on the set target reliability (β) m Determine R W The representative value (R) Wk ), and by changing the ductility coefficient μ and the structural period T, an R model that is easy to use in engineering design is established. Wk -μ-T relationship curve; wind resistance design according to the modified design expression; the proposed improvement method can solve the problems that the existing wind resistance design does not consider the inelastic performance of the structure and cannot be carried out according to the reliability expected by different owners.

The invention discloses an aircraft design stage controllability boundary analysis and optimization method based on LADRC, and relates to the technical field of aircraft design and control. The implementation process thought of the method is mainly as follows: a closed-loop system (LADRC control law + flight dynamics model) control performance boundary is taken as a constraint boundary, which parameters of an aircraft body cause that the closed-loop system cannot meet the control performance boundary are judged through simulation, and then the parameters of the aircraft body are continuously optimized. And finally, a closed-loop system control performance boundary is met. According to the method, the'black box 'characteristic of a traditional optimization algorithm is abandoned, a control performance short board is directly converted into a design improvement direction through human experience and data-driven explicit feedback, the engineering adaptation problem of a complex algorithm is avoided, and the interpretability and engineering practicability of design iteration are ensured.

The application provides a tension test equipment for an automobile radiator, and relates to the field of mechanical testing, comprising a bottom frame, a cover rotatably arranged on one side of the bottom frame, two guide rods fixedly arranged in the bottom frame, a sliding frame slidably arranged between the two guide rods, a pressing mechanism arranged on the bottom frame, a placing mechanism arranged in the sliding frame, the placing mechanism being used for placing a radiator body to be detected, the pressing mechanism being used for pressing the radiator body, an acquisition mechanism arranged on the placing mechanism, and the acquisition mechanism being used for acquiring data of the radiator body after deformation. The application drives the flat gear to reciprocating rotate through the continuous movement of the flat rack, thereby driving the radiator body to reciprocating move, and further simulating the change of the contact position between the pressing block and the radiator body. The application can comprehensively test the working state of the radiator body in actual use, provide data support for design improvement and quality control, and ensure the reliability and safety of the product.

The invention discloses a printed circuit board design review method and device, electronic equipment and a storage medium, and relates to the technical field of printed circuit board design review, and the method comprises the steps: disassembling complex review into a plurality of calculation tasks, respectively mapping the calculation tasks to corresponding hardware acceleration modules, and carrying out the parallel processing capability, the continuous value and the probability value output by the pre-trained review model are quickly obtained, the review time is greatly shortened, and the review efficiency is improved. By means of the review model based on mass data training, design data is comprehensively and accurately analyzed, the defect that errors are prone to occurring in manual review is avoided, and review accuracy is remarkably improved. Quantized data output by the model provides a basis for judging design data quality and positioning problem types, and assists in discovering potential problems. Meanwhile, a clear examination result is output according to the model, and a problem attribute and an optimization strategy are given, so that a direction is indicated for design improvement, the manual investigation and thinking cost is reduced, and the manual and trial and error cost is effectively reduced.

The invention discloses a microwave shell part manufacturability analysis method and system based on feature recognition, and belongs to the technical field of manufacturability analysis, and the method comprises the following steps: S1, feature extraction and recognition; s2, carrying out manufacturability analysis; and S3: optimization suggestion. According to the method, the manufacturability of the product can be analyzed in the design stage by utilizing the three-dimensional model of the microwave shell part product, so that the product design can be perfected and optimized in the design stage, and the method plays an important role in improving the design quality and the design efficiency and shortening the research and development cycle of the product; a product model can be reasonably split by utilizing a feature recognition method, the reasonability and machinability of model design are judged by utilizing a design processing rule of a single feature, a manufacturability rule can be used as a design improvement suggestion, and then optimization suggestions of microwave shell part product design are pertinently realized.

According to the air spring rigidity valve and the vehicle system thereof, the design of the air spring rigidity valve structure is improved, the buffering piece is provided with the body part and the abutting parts, the notch is formed between every two adjacent abutting parts, and when the air spring rigidity valve is fully opened, the abutting parts can elastically deform so as to abut against the end face of the sealing plug and / or the end socket part to achieve buffering; on the basis, the cavity on one side of the buffering piece can be communicated with the cavity on the other side of the buffering piece through the notch, it can be relatively guaranteed that stress on the two sides of the sealing plug is relatively balanced, and during electrification, the sealing plug can close the valve port part through small electromagnetic force driving.

The invention discloses a loader cooling system testing device and a control method, belongs to the technical field of engineering machinery, and solves the problems that the design of an existing cooling system lacks heat radiator and fan permutation and combination test data, the whole machine heat balance test is repeated, the cycle is long, and the cost is high. The device comprises a heat source simulation module, a temperature acquisition module, a control module, an execution module, a data acquisition module, a human-computer interaction interface and a data storage module. The heat source simulation module simulates the environment and the temperatures of engine inlet air, cooling liquid and the like. The temperature acquisition module acquires temperature and transmits the temperature to the control module and the data storage module; the control module controls the execution module to adjust the distance between the core body and the fan and the fan angle; the data acquisition module acquires adjustment parameters for storage, and the man-machine interaction interface sets parameters; the method comprises the following steps: simulating working conditions, comparing temperature with preset limits, adjusting parameters, keeping the temperature standard, and accumulating data; the performance of the cooling system can be tested, matching of the radiator and the fan is verified, and support is provided for design improvement.

This design improvement device (100) comprises: a status acquisition unit (23) that acquires, in accordance with a prescribed acquisition rule, a usage status of a CPU core (41) to be used when a target application (10) is executing a process; an improvement determination unit (25) that, on the basis of the usage status of the CPU core (41) acquired by the status acquisition unit (23) and a prescribed determination rule, identifies, as improvement information, a cause of excessive consumption of power; and an improvement output unit (26) that outputs the improvement information identified by the improvement determination unit (25).

The invention relates to a product performance degradation law experimental design method, belongs to the technical field of reliability engineering, solves the problem that the existing performance degradation test technology cannot verify the deterministic and uncertain performance degradation law of a product, and further embodies the performance degradation law in engineering practice. And when a test result shows that the reliability of the current product cannot meet the requirement, a performance degradation model obtained based on the test is difficult to provide information of how to carry out design improvement on the product. The method comprises the following steps: step 1, constructing a product performance degradation law experimental model; 2, determining a control variable, an intervention variable and an observation variable of a performance degradation law experiment based on the performance degradation law experiment model obtained in the step 1; 3, determining constraints of a product performance degradation law experiment on a control variable, an intervention variable and an observation variable; and 4, designing a product performance degradation law experiment scheme based on the constraint determined in the step 3.

Method and structures for shared (dual) sources for a single device in semiconductor devices such as very-large-scale integration (VLSI) devices. The shared-source improves or increases a current that passes through the device (e.g., to a drain region associated with the shared-source), which in turn increases a performance of the device. Example improvements may include a delay improvement of the device and associated logic paths and / or a power improvement for the device. The method includes operations for design improvements during a design process by implementing shared-sources in a semiconductor device design.

The invention relates to a wind resistance design improvement method based on inelastic performance and target reliability, and the method comprises the steps: generating a multi-sample wind load time history according to wind load characteristic parameter information, and carrying out the calculation based on a single-degree-of-freedom system to obtain a strength reduction coefficient (RW) probability distribution function corresponding to different storm durations under the wind load effect; a wind-resistant strength reduction coefficient related to storm duration is introduced, and a wind-resistant bearing capacity limit state equation and a design expression are corrected; determining a representative value (RWk) of the RW based on a set target reliability (beta m), and establishing an RWk-mu-T relation curve convenient for engineering design by changing a ductility coefficient mu and a structure period T; performing wind resistance design according to the corrected design expression; the improved method can solve the problems that the inelastic performance of the structure is not considered in the existing wind-resistant design, and the wind-resistant design cannot be carried out according to the reliability expected by different owners.

The application discloses a kind of turbine disc coupling structure sure reliability analysis method, belong to the reliability design technical field of turbine disc coupling structure.The method includes: qualitative analysis;Build the discipline crossover equation of internal variable and external variable to stress and strain;Performance degradation model is constructed to describe low-cycle fatigue, creep and its coupling effect;Performance margin degradation model is constructed;Quantify and build the sure reliability measurement equation of multiple source uncertainty factors;Reliability evaluation is carried out.The application comprehensively considers use scene, boundary condition, key performance parameter, multiple failure mechanisms and its coupling effect, and quantifies several source uncertainty factors such as geometry size, material attribute and load, realizes the accurate evaluation of the reliability evolution law of turbine disc coupling structure in service life by building sure reliability model, provides theoretical basis for the design improvement and life management of structure.

The invention relates to the technical field of water-cooled resistors, in particular to a fluid-solid coupling heat transfer-based simulation method for the heat dissipation effect of a water-cooled aluminum shell resistor, which comprises the following steps of: firstly, constructing an initial three-dimensional model of the water-cooled aluminum shell resistor according to engineering technical requirements, and simplifying the model based on surface area equivalence and mass equivalence principles; then in COMSOL simulation software, establishing a fluid-structure interaction heat transfer multi-physics field model, setting material parameters, initial conditions and boundary conditions, then performing simulation calculation, and verifying the accuracy of a simulation result through an experiment; and finally, establishing a parameter correlation model by taking the resistance core quality as an optimization target, determining the minimum resistance core quality, and reversely guiding the design improvement of an original model. According to the method, traditional experiments are replaced by digital simulation, the design cost is reduced, the research and development period is shortened, the optimal balance between the heat dissipation performance and the material cost can be accurately achieved, and the method can be widely applied to design optimization of various fluid-structure interaction heat dissipation products.

The utility model discloses a lighting wire rod L-shaped design improvement device which comprises a first fixing block and a second fixing block, the second fixing block is arranged on the front side of the first fixing block, a first groove is formed in the upper side of the first fixing block, a second groove is formed in the upper side of the second fixing block, square grooves are formed in the front side and the rear side of the first fixing block, and the first fixing block and the second fixing block are arranged in parallel. Sliding grooves are formed in the left side and the right side of the interior of the square groove, sliding blocks are arranged in the sliding grooves, and a square hole is formed in the front side of the second fixing block. Compared with the prior art, due to the arrangement of the first fixing block, the second fixing block, the first groove, the second groove, a square groove, a sliding groove, a sliding block, a square hole, a circular groove, a circular hole, a threaded block and a containing hole, the wire rod fixing device forms different L-shaped structures according to the actual use space of the wire rod, the wire rod is flexibly used, workers do not need to replace other L-shaped wire rod fixing devices, and the working efficiency is improved. Time and labor are saved, and convenience and rapidness are achieved.