53 results about "Quantitative design" patented technology

The invention relates to the technical field of building construction, in particular to a BIM (Building Information Modeling) forward design method based on full-process AI (Artificial Intelligence) driving, which comprises the following steps of: digitizing a demand, and extracting a quantitative design index through a multi-modal demand analysis module; parameter generation: generating and evaluating a first-order BIM seed model by using an AI parameter generation engine driven by a generative adversarial network; iterative optimization is carried out, and automatic form, performance and layout optimization is carried out on the model through topological optimization, energy consumption prediction and reinforcement learning; performing collaborative verification, and generating collaborative correction suggestions by adopting a conflict detection algorithm fusing a boundary box and a GJK algorithm; and result delivery: performing simulation verification through a digital twin engine and outputting a final result. According to the method, intelligence and automation of the whole process from demand to delivery are achieved, the problems that a traditional method depends on manpower, collaboration lags behind, performance analysis and design are disjointed and the like are solved, and the design efficiency, quality and scientificity are remarkably improved.

The invention provides a layout design method for high-precision magnetron sputtering deposition equipment. The method comprises the following steps: firstly, determining sputtering deposition subsystem layout parameters such as revolution radius, target-base distance, target length and the like according to an optimized target difference value of a to-be-plated element parameter, a target preliminary sputtering yield parameter and a film thickness; then, whether the film thickness distribution under the layout parameters meets an optimization target difference value or not is evaluated; and finally, vacuum chamber subsystem layout parameters such as the diameter and the height of the vacuum chamber are calculated. According to the method, a quantitative design mode is adopted, the problems that existing magnetron sputtering deposition equipment layout design depends on experience, and whether the magnetron sputtering deposition equipment meets design index requirements or not is difficult to evaluate are effectively solved, and the scientificity and rationality of equipment layout are improved.

The application discloses a supporting excavation method for partitioning and leaving piers of soft foundation, and belongs to the technical field of foundation pit supporting of geotechnical engineering. The method comprises the following steps: S1, integrated quantitative design and digital modeling, defining a composite soil pier unit composed of an artificially reinforced core and an undisturbed soil body, calculating a bearing contribution rate and performing non-uniform layout and stability checking; S2, prefabrication and accurate implantation of the structural soil pier unit; S3, partitioned asynchronous excavation based on the structural soil pier, batch excavation of "warehouse rooms" and immediate support of exposed side walls; S4, formation of a permanent composite foundation, rigid connection of the bottom plate and the soil pier through a three-level structural connection system, and construction of a waterproof drainage system, a stiffness transition zone and a health monitoring sensor network. The application integrates the functions of temporary support and permanent foundation, significantly reduces the engineering cost, improves the foundation bearing capacity and anti-settlement capacity, and realizes intelligent monitoring and active regulation in the whole life cycle.

The invention discloses a thermal deformation pre-compensation method for a coreless superconducting cyclotron, and the method comprises the following steps: building a coreless high-temperature superconducting coil three-dimensional model which comprises a plurality of coils with different shapes and positions in the coreless high-temperature superconducting coil; carrying out a complete cooling process from 300K to 20K, and calculating form and position thermal deformation deviations of coils with different shapes and different positions in the model; pre-compensation calculation of the model is conducted through the form and position thermal deformation deviation; according to the pre-compensation amount at the low temperature of 20 K, the pre-compensation amount at the temperature of 300 K is reversely deduced, and the pre-compensation amount comprises a radial amplification coefficient and an axial amplification parameter; and iteration is repeated until the error between the 300K model with the pre-compensation amount and the design target is smaller than the error range. According to the method, the problems that in the prior art, the capability of accurately predicting the deformation behavior of the coil in the extreme temperature change process before the manufacturing stage is lacked, the positive design of pre-compensation cannot be actively carried out, and the basis of quantitative design is lacked are solved.

The application discloses a kind of semi-covering layer semi-bedrock foundation gravity dam foundation seepage prevention water stop design method, belong to the field of hydraulic engineering design.This application method is aimed at the complex conditions of semi-covering layer semi-bedrock foundation, adopts zoning combination seepage prevention scheme: bedrock region sets seepage prevention curtain, covering layer region sets seepage prevention wall;Comprehensive construction period structure dead weight, running period structure dead weight, water pressure, uplift pressure and other loads, design seepage prevention wall top and dam foundation embedded joint and dam bottom local structure, reserve deformation and with two purple copper water stop to realize water stop by asphalt mortar joint filling;Finally, the rationality of scheme is verified by three-dimensional finite element seepage deformation numerical calculation.This application breaks through the limitation of traditional design, provides quantitative design method, and has strong operability, provides technical support and reference for similar projects.

The invention relates to an LNG cargo containment system installation platform optimization design method. The method comprises the steps that accurate three-dimensional model data of a target ship liquid cargo tank and technical parameters of a containment system are obtained; defining constraint conditions such as load of each layer of platform, grounding pressure of supporting legs, clear distance of bulkheads, facility configuration and the like; generating a preliminary arrangement scheme including supporting leg initial grids, layering and core frame positioning; through multi-working-condition load simulation and finite element analysis, platform stress, deformation and supporting leg counter-force are calculated; the landing leg layout and the low-order inherent frequency of the platform are optimized to avoid resonance; and simulating and verifying the reasonability of the installation path of the platform module and the maintenance interference condition of the telescopic part, and finally outputting a design file. The method gets rid of traditional experience dependence, design quantification and simulation verification are achieved, design repetition and material waste can be reduced, the mechanical property and construction adaptability of the platform are guaranteed, and the installation efficiency, safety and economical efficiency of the LNG ship containment system are improved.

The invention discloses a method for evaluating the sealing performance of a fuel cell rubber sealing ring at a low temperature, and relates to the technical field of fuel cell sealing. Measuring a compression force-strain curve at 23 + / -2 DEG C; gradually reducing the temperature to a target temperature point and reading the compression force; establishing a hyper-elastic model based on the stress-strain curve; inputting material properties to perform low-temperature sealing force simulation and calibrating a thermal expansion coefficient; calculating the leakage rate through a temperature-compression ratio-leakage rate quantitative correlation model; and determining a minimum compression ratio design boundary according to the leakage rate threshold value. According to the application, sealing performance evaluation is upgraded from experience qualitative judgment to data-driven quantitative design, the sealing reliability and research and development efficiency of the fuel cell stack in extreme low-temperature environments such as-40 DEG C are remarkably improved, and a scientific basis is provided for commercial application of fuel cells in alpine regions.

The invention relates to a multi-principal-element alloy strength prediction and design method driven by experimental data. The method comprises the following steps: data acquisition, feature engineering, model construction, component design, solving of yield strength of different alloys by multiple analytical formulas, and screening of alloy components with large product of electronegativity difference and shear modulus. And determining a single-phase FCC component window through phase diagram calculation. According to the method, the component design efficiency is improved; a quantitative design tool is provided for high-strength material development in the fields of aerospace, nuclear energy and the like, and the research and development period is shortened.

The main structure optimization of the force measurement system is divided into three parts: structure parameter optimization of force measurement branches, structure parameter optimization of non-branch structures, and structure parameter fine-tuning of the entire force measurement system. Quantitative design is performed on each part to improve the design efficiency and accuracy of the force measurement system. During the quantitative design process of each part, an elastic resistance error is treated as a forward design indicator and is one of the main components in a coupling error. The structure parameters involved in the elastic resistance error are relatively comprehensive, and the elastic resistance error is considerably correlated with the structure parameters of the force measurement system in consideration of the influence of axial stiffness and lateral deviation stiffness of force measurement on the structural performance. The accuracy of structural analysis and design are thus ensured.

This invention relates to a SCC mix design method and system based on the shear strength theory of cement paste. Its core lies in establishing a cement paste shear strength prediction model. This model quantitatively evaluates the shear strength of the cement paste under a proposed mix proportion and compares it with a pre-determined reasonable range. Then, through iterative adjustments to the cementitious material composition and water-cement ratio, the shear strength of the cement paste falls within the target range, thereby simultaneously optimizing the paste rheology and determining the final mix proportion. This invention achieves complete quantitative design from aggregate to paste, economically and efficiently preventing SCC segregation and maximizing the use of auxiliary cementitious materials to reduce the cost of self-compacting concrete.

The invention is suitable for the technical field of geotechnical engineering blasting, and provides a rock mass blasting parameter determination method based on sound wave velocity, hole depth and explosive load and a measuring plate, the method comprises the following steps: firstly, through multiple rounds of blasting tests, obtaining a data sample set of a sound wave longitudinal wave velocity Vp before blasting, a hole depth h of a blasting hole, an explosive load Q, a wave velocity loss rate eta and a relaxation depth d; then, on the basis of the data sample set, Vp and h serve as variables, and a visual measuring plate of the explosive load Q is constructed through triangular meshing and isoline tracking; before actual blasting, according to the actually measured Vp before blasting and the designed hole depth h, the optimal explosive loading amount can be rapidly determined by searching the measuring plate. The method solves the problem that in the prior art, the explosive load cannot be directly and accurately determined before blasting, quantitative design and accurate control of blasting parameters are achieved, and the method has the advantages of being efficient, visual, objective and capable of being dynamically optimized.

The invention relates to a method for quantitatively designing the functional mix proportion of a phase-change material for SAC. The method comprises the following steps: acquiring a characteristic initial temperature T, a peak temperature T and a characteristic final temperature T of sulphoaluminate cement through an adiabatic temperature rise test; [T, T] is used as a functional targeted phase change interval of the phase change material, and based on the total hydration heat release amount Qcem in the temperature interval and the phase change enthalpy delta Hpcm of the phase change material, the functional mixing amount Mpcm of the phase change material in unit volume of concrete is calculated, then the aggregate dosage is calculated through an absolute volume method, and finally the concrete mix proportion is determined. According to the invention, accurate matching of the phase-change material and sulphoaluminate cement hydration characteristics is realized, and an effective temperature control solution is provided for sulphoaluminate cement concrete construction.

The invention relates to an optical cable flame-retardant performance design method and a flame-retardant gas-blowing micro cable, the optical cable flame-retardant performance design method adopts a layer-stranded full-dry structure, the core is that the overall flame-retardant performance of an optical cable is ensured through a quantitative model, and the model comprehensively considers each element of the optical cable. The number and the size of the outer sheath, the loose tube, the central reinforcing piece and the like and the key performance index of the used flame-retardant material are improved. Meanwhile, the mechanical rigidity of the optical cable is optimized by setting the lower limit of the load ratio of the central reinforcer. According to the method, a whole set of quantitative design criteria from performance prediction, structural design to rigid control is provided for the flame-retardant gas-blowing micro-cable for the first time, the design process is converted from experience-dependent trial and error into predictable and optimizable accurate calculation, the industrial problem that high flame-retardant performance and excellent gas-blowing laying performance are difficult to consider at the same time is fundamentally solved, and the method is suitable for popularization and application of the flame-retardant gas-blowing micro-cable. And a series of products meeting requirements of different grades can be guided to be developed.

The invention provides a processing instruction generation method, electronic equipment and a computer readable storage medium. According to the method, the accurate three-dimensional position data of the fixing part is obtained, an objective and quantitative design basis is provided for bent rod machining, initial errors caused by estimation depending on subjective experience of doctors are eliminated from the source, then the three-dimensional curve is generated through fitting of the preset algorithm on the basis of the three-dimensional position data, and the accuracy of bent rod machining is improved. Discrete screw point locations are converted into a continuous and smooth standard path, and the problem that an artificial conceived curve is inaccurate and nonstandard is solved; and finally, an instruction for driving the processing equipment is automatically generated based on the three-dimensional curve, so that seamless connection from digital design to standardized execution is realized, and conversion deviation and accumulative errors introduced by repeated trial and error when the bending machine is manually operated are overcome.

The application discloses a kind of limestone powder replaces silica fume's ultra-high performance concrete interface enhancement evaluation method, belongs to cement-based composite material proportioning design and performance evaluation technical field.The application first establishes the benchmark cementitious material matrix system containing silica fume, and sets up limestone powder gradient replacement group to silica fume;Through 28d matrix compressive strength to different replacement ratio test piece group is pre-screened with strength, selects representative replacement group;The 100h cumulative heat release of representative replacement group, 28d total porosity, single steel fiber peak pullout load and single fiber pullout work are determined, constructs hydration response coefficient, pore structure density coefficient, peak bearing coefficient and energy dissipation coefficient, establishes the coupling determination method of interface enhancement index IEI and strength constraint coefficient Kc;According to IEI and Kc output candidate enhancement group, optimal replacement group and corresponding replacement ratio.The application can be used for the rapid screening and quantitative design of low-silica fume ultra-high performance concrete cementitious system.

The invention discloses an embedded RTV (Room Temperature Vulcanization) coating topological structure design method based on the tangential hydrophobic migration characteristic of silicone rubber. The method comprises the following steps: determining the quantitative relation between the static contact angle of a dirt layer and the concentration of low-molecular-mass siloxane; the tangential hydrophobic migration characteristic of the patterned surface of the hydrophilic / hydrophobic interface is obtained through an experiment, and the hydrophobic migration distance is used for quantification; establishing a siloxane tangential diffusion mass transfer model and deducing a mass transfer function; fitting mass transfer parameters of variable combinations such as RTV manufacturers and interface widths; constructing a hydrophobic migration finite element model; dividing non-connectivity, connectivity and hybrid topologies according to connectivity, and adding constraints to generate candidates; simulating and screening an optimal topology of which the global hydrophobic time reaches the standard; and outputting parameters for manufacturing verification. According to the method, quantitative design and optimization of the topological structure of the embedded RTV coating are achieved, the blank of existing design is filled, the problem of coating falling can be effectively solved, and the reliability and economical efficiency of long-term operation of an insulator are improved.

This invention discloses a quantitative design method for the stiffness of an airfoil tooling flag, comprising: Step 1, establishing a three-dimensional geometric model of the tooling flag, and obtaining a simplified model of the airfoil tooling flag by simplifying the three-dimensional geometric model; Step 2, setting mechanical boundary conditions for the simplified model of the airfoil tooling flag; Step 3, establishing constraint equations based on the simplified model of the airfoil tooling flag and the location of the load application points in the model; Step 4, solving for the displacement field results of the simplified model of the airfoil tooling flag under the concentrated load by applying a concentrated load based on the load application points of the simplified model of the tooling flag; Step 5, meshing the simplified model of the tooling flag and post-processing the data of the mesh elements, including: using the displacement field results obtained in Step 4 and the mesh elements divided by the simplified model of the airfoil tooling flag to obtain the displacement matrix and total mass of the simplified model of the airfoil tooling flag; Step 6, calculating the optimal tooling flag design scheme that meets the stiffness index requirements by combining the structural parameters in the simplified model of the airfoil tooling flag and using the calculation method in Step 5. The technical solution provided by this invention selects the optimal parameter scheme in the design based on the calculation results, reduces the weight of the tooling flag while ensuring the stiffness of the tooling flag, avoids structural deformation caused by insufficient stiffness of the tooling flag, and the proposed quantitative stiffness design method can provide a theoretical basis for optimization design, which is a fast and effective design method.

The application discloses a kind of based on silicon rubber tangential hydrophobic migration characteristics embedded RTV coating topological structure design method, comprising the following steps: determine the quantitative relationship between static contact angle of pollution layer and low molecular weight siloxane concentration;Experimental acquisition hydrophilic / hydrophobic interface patterning surface tangential hydrophobic migration characteristics, with hydrophobic migration distance quantification;Establish the siloxane tangential diffusion mass transfer model and deduce mass transfer function;Fitting RTV manufacturer, interface width and other variable combinations mass transfer parameter;Hydrophobic migration finite element model is constructed;According to connectivity, non-connected, connected, mixed topology is divided and constraint is generated candidate;Simulation screening optimal topology that global hydrophobic time meets the standard;Output parameter is supplied manufacturing verification.This method realizes embedded RTV coating topological structure quantitative design and optimization, fills the existing design blank, can effectively solve coating peeling problem, improves the reliability and economy of long-term operation of insulator.

Traditional single-exciter vibration testing methods are limited by the heavy mass and low frequency of large transfer platforms, and the non-uniformity of boundary conditions in cavity structures, which easily leads to imbalances in local vibration energy distribution and makes it difficult to accurately simulate vibration responses under actual working conditions. This invention addresses this problem by proposing a multi-exciter vibration testing design method for large-size cavity structures. This method uses multiple exciters to simultaneously apply vibration excitation to the test piece along a single axis. For large-size products, the multi-exciter method can provide sufficient test thrust using multiple exciters. Furthermore, the invention addresses the lack of quantitative design criteria for the exciter position and number based on the geometric characteristics and modal properties of the cavity structure, and the difficulty of existing control algorithms in achieving precise decoupling and coordinated control of excitation forces under complex boundary conditions. These issues are resolved through the design and optimization of large-size test fixture structures and response constraint strategies.

The application is a microbial self-repairing concrete mix proportion design method and design system, the core of which is to establish a quantitative design model with the goal of maximizing microbial repair potential, and to realize the collaborative optimization with conventional concrete mix proportion parameters. First, the required calcium carbonate generation amount is determined based on the target crack size; then, the optimal microbial and nutrient content is calculated through the established microbial metabolism kinetics model; the key is to establish the correlation model of the microbial system as a key factor affecting the water-cement ratio and fluidity and the dosage of the additive, and to perform integrated calculation of the water-cement ratio-aggregate system-additive. The application realizes the leap of self-repairing concrete mix proportion from empirical exploration to quantitative, precise and integrated design.

The invention relates to a double-phase multi-principal-element alloy component design method for a laser melting deposition titanium steel connection transition layer, which aims at constructing a single-layer double-phase solid solution transition layer containing main alloy elements in titanium alloy and steel and combining experience criteria of phase stability of a multi-principal-element alloy system, high-flux phase diagram calculation and machine learning feature engineering. And efficient screening and quantitative design of the biphase transition layer alloy components are achieved. According to the method, the phase composition characteristics and the element proportion of the transition layer multi-principal element alloy system can be predicted in the design stage, it is guaranteed that when the transition layer components change, the forming stability of a solid solution structure is still kept, and forming of harmful intermetallic compounds is inhibited; and meanwhile, the problems of transition layer thickness, heterogeneous interface defects and preparation process complexity caused by introduction of a multi-layer composite transition layer are reduced, so that the metallurgical bonding performance of the titanium alloy and steel heterogeneous interface is improved, and a scientific basis and a calculation method support are provided for design and optimization of a heterogeneous metal connection transition layer alloy system.

The invention belongs to the technical field of tunnel construction, and discloses a cavern excavation method based on main stress axis deflection control, which comprises the following steps: dividing a tunnel face of a to-be-excavated cavern into a middle cavern and at least two side caverns; a middle cavity is excavated and supported; the maximum shear stress of the surrounding rock is determined according to the main stress characteristic value of deflection after the middle cavern is excavated and the initial drilling parameters, set before the side cavern is excavated, of the stress release hole group; the shear strength of the surrounding rock is obtained, the shear resistance ratio of the shear strength to the maximum shear stress is determined, and the initial drilling parameters are iteratively adjusted according to the shear resistance ratio; determining the drilling parameters corresponding to the shear resistance ratios meeting the preset requirements as expected drilling parameters; and according to the expected drilling parameters, a stress release hole group is drilled towards the side caverns along the side walls of the middle caverns, and supporting is conducted after the side caverns are excavated. According to the method, through quantitative design of the stress release hole groups, redundant design is eliminated, the number of invalid drill holes is reduced, the engineering cost is reduced, and the construction period is shortened.

This invention relates to the field of precision optical inspection, and particularly to a method for selecting and evaluating the performance of an LC-SLM based on a multi-parameter coupled constraint model. The method includes determining the input variables of the inspection system based on the LC-SLM, which are divided into two main categories: parameters of the surface to be measured and basic requirements of the inspection system; determining the order of the blazed grating based on its diffraction efficiency requirements; determining the bit depth of the LC-SLM based on the accuracy requirements of the inspection system; determining the pixel parameters based on the wavefront modulation requirements of the LC-SLM; establishing a comprehensive error evaluation model for the inspection system; and calculating the total residual error, which is the square root of the sum of quantization error, pixel discretization error, LC-SLM surface shape error, nonlinearity error, and thermally induced phase drift error. This invention enables a systematic and quantitative design and evaluation of the hardware parameter selection, software configuration, and final compensation performance of the LC-SLM.

This invention provides a collaborative calculation method for dry desulfurized phosphogypsum in aerated concrete, relating to the field of building material mix design technology. It aims to overcome the blindness and uncertainty of existing technologies that rely on experience to determine the dosage of dry desulfurized phosphogypsum. This method, by quantitatively controlling the molar ratio of sulfur and aluminum, can avoid the risk of delayed ettringite formation from the source and provides a universal dosage design guideline for different aerated concrete systems (sand-aerated, ash-aerated, and slag-aerated). This method is a quantitative design method for accurately determining the safe and reasonable dosage of industrial solid waste "dry desulfurized phosphogypsum" in the industrial production of autoclaved aerated concrete (AAC), and is particularly suitable for AAC systems using sand or fly ash as siliceous materials.

According to the method for designing the parameters of the head body of the multi-point stretch-bending forming die, the influence of the contact area and the deformation step difference is fully considered, the relation between the radius of the head body and the forming radius of a profile, the relation between the radius of the head body and the width of the head body is established on the basis of the fitting hypothesis and the deformation step difference hypothesis, and the design accuracy is improved. And the relationship among the fitting chord length, the forming radius, the fitting gap and the deformation order difference is determined. According to the method, a definite theoretical basis is provided for the radius and the arrangement distance of the head body of the multi-point flexible profile stretch-bending die. Furthermore, under the condition that rigidity and strength checking is considered, a specific design scheme of parameters of the fan-type multipoint stretch-bending forming die head body is further provided. The method provided by the invention comprises a complete theoretical basis and a specific design method, and provides a reliable design method for the quantitative design of the parameters of the fan-shaped multi-point stretch-bending forming die head body.

This invention discloses a composite impact-driven drilling tool, belonging to the field of oil and gas drilling technology. Addressing the problems of poor tool adaptability and asynchronous impact and reversing in existing technologies, this invention proposes a quantitative design method based on the fluid-structure interaction coefficient. The tool's actuating valve assembly includes a coaxially nested inner sleeve and a reversing valve, controlling fluid flow direction through a distribution structure. This invention defines the coupling coefficient between the geometric parameters of the reversing valve and the hydrodynamic parameters. This coefficient is jointly determined by the circumferential impact torque, reversing rotation angle, drilling fluid discharge rate, nozzle pressure drop, and the equivalent hydraulic diameter of the reversing valve, and is controlled within a specific preset range. Through the above quantitative design, the inverse relationship between the reversing angle and the discharge rate is forcibly constrained, achieving efficient synchronization of impact and reversing across the entire discharge range, effectively solving the problems of "idling" or "jamming," and significantly improving rock-breaking efficiency.

This invention belongs to the field of metallic materials technology, specifically a method for designing the chemical composition of low-temperature resistant high-manganese steel forgings. The invention comprises the following alloying elements by mass percentage: C: 0.40%~0.50%, Si: 0.11%~0.22%, Mn: 22.50%~25.50%, Cr: 3.00%~4.00%, Mo: 0.30%~1.00%, V: 0.03%~0.20%, Ti: 0.03%~0.10%, Al: 0.01%~0.10%, P≤0.020%, and S≤0.005%, with the remainder being Fe and unavoidable impurities. In its implementation, this invention comprehensively considers the influence of factors such as the nickel equivalent, chromium equivalent, and stacking fault energy of high-manganese steel, providing a systematic quantitative design method for manganese steel. This method can not only guide the design and development of low-temperature resistant high-manganese steel but can also be extended to the research and development of other new steels by specifying different quantitative value ranges.

The invention discloses a plateau cretaceous system sandstone weathering degree evaluation method and system. A typical cretaceous system sandstone distribution area is selected as a target research area; establishing a cretaceous system sandstone weathering degree evaluation index system by combining weathering influence factors and a weathering mechanism in the region; the method comprises the following steps: sampling and collecting rocks required to be evaluated at different depths in drill holes of a cretaceous system sandstone stratum in a target research area, and detecting and acquiring various weathering degree evaluation index values of the rocks required to be evaluated at different depths; performing function fitting analysis on each weathering degree evaluation index value of the rock to be evaluated under different depths and the depth data to obtain a function relationship of each weathering degree evaluation index value along with the depth change, and determining index division threshold values of stratums with different grades of weathering degrees; therefore, a plateau cretaceous system sandstone weathering degree evaluation system is established. According to the method, a quantitative evaluation system is combined, quantitative design of measures in the construction process in the region can be improved, and the engineering construction cost is saved.

The application belongs to the technical field of oil and gas field development, and particularly discloses a quantitative design method for conversion timing of multi-section slug combination profile control and flooding slug, which comprises the following steps: firstly, core pretreatment; secondly, constant speed oil displacement experiment; and finally, data processing; wherein, the data processing process comprises the following steps: firstly, obtaining the water drive end stage shunt rate, water cut and recovery rate of each layer core, and the chemical flooding stage shunt rate, water cut and recovery rate of each layer core; secondly, calculating the profile improvement rate, oil production increase rate and recovery rate balance degree; then, calculating the displacement balance degree, obtaining the displacement balance degree change curve of each group of experiment, and reading the maximum value; again, calculating the variation coefficient of each group of experiment parallel core utilization limit, and drawing the scatter diagram of the maximum value of each group of experiment displacement balance degree; finally, determining the inflection point value as the timing of injecting the next profile control and flooding system slug. The application can quantitatively guide the conversion timing of each profile control and flooding system slug in real time, maximize the effect of each system slug, and further improve the recovery rate.