13results about How to "Ease of performance evaluation" patented technology

The invention relates to the technical field of lubricating oil analysis, in particular to a method and system for quantitative analysis of a lubricating oil additive. The method comprises the following steps: acquiring base oil data and lubricating oil additive data; performing mixed oil treatment based on the base oil data and the lubricating oil additive data to generate mixed lubricating oil additive data; performing mixed oil concentration detection on the mixed lubricating oil additive data to generate mixed oil concentration detection data; performing chromatographic column selection on the mixed lubricating oil additive data based on the mixed oil concentration detection data to generate chromatographic column selection data; and performing boiling point heating on the chromatographic column selection data to obtain mixed oil boiling point heating data. By optimizing data acquisition, chromatographic separation, component identification and quantitative analysis as well as result analysis and visualization, the accuracy of quantitative analysis of the lubricating oil additive is improved.

The invention discloses an emulsion pump loading valve speed regulation control system and a working method thereof. The emulsion pump loading valve speed regulation control system comprises a servo motor, a servo driver and an upper computer. The working method comprises the following steps: S1, inputting a pressure set value of the loading valve of the emulsion pump; s2, the upper computer calculates the input pressure set value of the loading valve of the emulsion pump through a PID (Proportion Integration Differentiation) controller to obtain a required rotating state and a required rotating speed of a servo motor and transmits the required rotating state and the required rotating speed to a servo driver; s3, controlling a servo motor by a servo driver, and enabling the servo motor to drive an emulsion pump loading valve to work; s4, the pressure sensor feeds back the pressure acquisition value to the upper computer; s5, the upper computer carries out comparison calculation on the pressure parameters of the loading valve of the emulsion pump through a PID (Proportion Integration Differentiation) controller; and S6, the servo driver adjusts and controls the servo motor according to the comparison calculation result, and precise pressure control over the loading valve of the emulsion pump is achieved.

The invention relates to the technical field of substations, and discloses an intelligent substation flexible configuration visual modeling analysis system which comprises a control center, a visual modeling module, a network topology modeling module, a flow model parameter setting module, a link flow management module, a flow visualization module, a link network time delay analysis module and an inspection module. The control center is respectively connected with the visual modeling module, the network topology modeling module, the flow model parameter setting module, the link flow management module and the link network delay analysis module, the link flow management module is also connected with the flow visualization module, and the control center is connected with the inspection module through the server. According to the method, visual modeling analysis is provided for intelligent substation equipment configuration modeling, flow model parameter setting, network topology modeling and link flow simulation monitoring, the problem of network delay is solved, the substation network structure is optimized, the stable operation level of substation equipment is improved, and technical support is provided for substation fault analysis.

The application discloses a chloride-based multi-parameter humidity and conductivity comprehensive calculation method, comprising the following steps: S1, collecting basic parameter information of chloride materials, and performing relevant data arrangement, and comparing after entering a system; S2, then setting an environmental humidity change range, and obtaining moisture absorption and surface water layer thickness under different relative humidity conditions; S3, establishing a relevant coupling model, and considering ion mobility, charge transmission channel number and interface polarization effect of the chloride materials under different humidity; S4, introducing a multi-parameter regulation factor, correcting environmental temperature, pressure and material surface state, and obtaining correct data; the method has high application prospect and popularization value.

The utility model provides a super-hydrophobic propeller comprehensive performance evaluation test bench, which comprises a bottom plate, a tension paddle testboard, a heat preservation cover body, a static balance tester and a direct current stabilized power supply, the static balance tester and the tension paddle testboard are fixedly arranged on the bottom plate, a brushless motor and a vibration sensor are arranged on the tension paddle testboard, and the static balance tester and the vibration sensor are fixedly arranged on the bottom plate. The brushless motor is provided with a power shaft on which propeller blades can be mounted, the direct-current stabilized power supply is used for supplying power to the tension paddle test board, the brushless motor and the vibration sensor, and the heat preservation cover body is detachably mounted on the bottom plate. The test bench can comprehensively test dynamic balance, static balance, tension, vibration and the like of the propeller, so that scientific researchers can conveniently compare tension characteristics and power characteristics of a super-hydrophobic propeller and a non-super-hydrophobic propeller under an icing condition and a non-icing condition; and comprehensive test and evaluation of the anti-icing performance and the working performance of the super-hydrophobic propeller are realized.

The invention provides a visitor management and verification method and system for an exhibition self-service registration machine, and relates to the field of data processing.The method comprises the steps that an exhibition participation request is received in response, and a preset primary collection interface is called for content filling; in response to scanning of the secondary participation code by any secondary user side, sending a preset secondary acquisition interface to the secondary user side for content filling; in response to completion of content filling by each user side, sending payment information generated by the automatic registration machine based on the area number corresponding to all the acquisition areas to the primary user side; controlling the automatic registration machine to perform interface printing in response to fee payment of the main-level user side; and in response to the fact that registration operation is executed on each real exhibition bill, creating an exhibit evaluation area in the acquisition interface corresponding to each real exhibition bill, and uploading evaluation information uploaded by the corresponding user side to the exhibit evaluation area. The management efficiency is at least improved.

This utility model relates to the field of hinge spring performance testing technology, and more particularly to a hinge spring comprehensive performance testing device. This utility model provides a hinge spring comprehensive performance testing device capable of simultaneously testing the fatigue performance and rebound performance of a hinge spring, facilitating a comprehensive performance evaluation of the hinge spring. A hinge spring comprehensive performance testing device includes a base and a sliding frame, etc., with the sliding frame slidably connected to the left side of the base. This utility model tests the hinge spring's fatigue performance by moving a lever up and down along a slide rail, causing the hinge on the other side to rotate. When the hinge rotates back to its original position, it contacts the lever. A pressure sensor monitors the pressure change between the hinge and the lever after the hinge rotates back to its original position, thus determining the hinge spring's rebound performance. This achieves the effect of simultaneously testing the fatigue performance and rebound performance of a hinge spring, facilitating a comprehensive performance evaluation of the hinge spring.

The invention relates to a micro-disturbance grouting system with a feedback function, which comprises a parameter configuration module, a grouting execution module, a monitoring module and a feedback control module, constructing a micro-perturbation geological adaptation model, and configuring initial grouting parameters and perturbation allowable threshold intervals; executing parameter stepped dynamic adjustment by adopting a hierarchical adjustment strategy, correcting the conveying rhythm by relying on a grouting uniformity compensation mechanism, and switching a grouting process; grouting parameter data are obtained through multi-channel synchronous obtaining logic, grouting parameter time sequence data are generated through processing of a dynamic noise suppression algorithm and a parameter calibration model, calibration is conducted according to a timestamp, and a grouting parameter curve is generated in a layered visualization mode; a hybrid control strategy is adopted, a disturbance-grouting parameter nonlinear mapping model is established in combination with historical data and a disturbance allowable threshold interval, and an adjusting instruction is generated through a deviation grading processing mechanism; the system improves the micro-disturbance control precision and the grouting quality, and is suitable for construction of complex stratums in near-sensitive areas.

The utility model discloses a kind of tension test equipment for metal pipe test, belong to material mechanics test technical field, including platform, the upper surface both sides of platform are symmetrically equipped with guide column, the inside of guide column is equipped with power equipment, and the output end of power equipment is fixedly installed with lifting beam, the upper surface of platform and the lower surface of lifting beam are symmetrically equipped with clamping body, the front surface of clamping body is equipped with trapezoidal groove, and trapezoidal groove is equipped with wedge plate and moves symmetrically in horizontal direction inside, the front end of wedge plate is located clamping body outside, clamping installation groove is equipped in the front end of the inner surface of wedge plate, the utility model is by being arranged on the extension wedge plate of clamping body outside with clamping structure, so that clamping point is located in front of equipment main body, so that the limitation to the overall length of metal pipe is broken through, without cutting, directly longer pipe material can be clamped and tensile test, significantly improve test efficiency, and it is convenient to evaluate the performance of pipe material different position.

The invention discloses an endoscopic plasma monochromatic light analysis system, and belongs to the field of magnetic confinement plasmas. The system is composed of a plurality of sets of optical lens groups, a flexible optical fiber array, a narrow-band optical filter, a dichroscope, a spectroscope, an optical detector, an indication light source and a position adjusting motor. The front-end reflector transmits plasma emitted light at different positions to the collecting lens through rotation, and the plasma emitted light is focused on the end face of the optical fiber array. The flexible optical fiber array is used for leading out plasma emission light in the complex structure to a low-radiation area. Light led out by the optical fiber array is converted into parallel light by the telecentric lens, then the parallel light passes through the narrow-band optical filter with the specific wavelength and is imaged on the optical detector through the convergent lens, and spatial distribution and time evolution information of plasma monochromatic light with the specific wavelength is obtained. According to the technical scheme provided by the invention, the requirements of remotely collecting and analyzing the two-dimensional spectral characteristics of the plasma can be met.

The application discloses a spectrum resource allocation method based on a multi-agent cooperation mechanism, and specifically comprises the following steps: step 1, initializing environment information; step 2, acquiring position information between frequency using nodes and spectrum situation information at the frequency using nodes; step 3, making a spectrum allocation scheme decision; step 4, executing the spectrum allocation scheme and performing performance evaluation; and step 5, collecting historical experience information and performing experience information shunting training based on a cooperation mechanism to realize spectrum resource allocation for a dynamic environment. The method can timely respond to a complex dynamic environment and has strong anti-interference capability. Meanwhile, multi-agent common decision making can reduce the calculation load of each agent and the required information demand, improve robustness, and has stronger environmental adaptability. Finally, through the cooperation training of each agent, the negative influence of an unstable environment on training is reduced, and the performance of the multi-agent system is improved.

The invention relates to the technical field of energy-saving and emission-reducing power generation equipment, in particular to a time step size matching method for large-current breaking arc simulation solution, which comprises the following steps of: determining an initial turbulence coefficient, determining an initial time step size, calculating a current turbulence coefficient, calculating a current time step size and iteratively calculating a next time step size. The time step length is dynamically adjusted according to the current current and the turbulence intensity, so that when the turbulence intensity is high or the current changes drastically, the time step length is shortened, the calculation precision is improved, the influence of a large-gradient flow field is reduced, and the convergence is improved. The method for iteratively solving the time step length is introduced, the smaller time step length is calculated according to the turbulence intensity, the flow field characteristics are captured more accurately, and a solution with higher precision is provided. The finer time step length can better capture the nonlinear characteristics of the electric arc, reduces the numerical error caused by the nonlinear effect, reduces the truncation error, enables the solution to be closer to the real solution, and achieves the more accurate simulation, better design optimization and performance evaluation.

The invention provides a method for estimating the structural integrity state of a marine ceramic capacitive pressure sensor, and the method comprises the steps: building a mathematical model of a ceramic capacitor diaphragm, and enabling the mathematical model to be used for describing the deformation behavior of the diaphragm and the relation between the deformation behavior and the capacitance change under the action of external pressure; carrying out basic hypothesis analysis on the diaphragm; respectively calculating the deflection of the diaphragm in small deflection deformation and large deflection deformation, and calculating the maximum allowable strain of the diaphragm; the capacitance and capacitance sensitivity of the pressure sensor are calculated, and the relation between the capacitance variation and the pressure is obtained; and comprehensively evaluating the structural integrity of the pressure sensor by combining the deformation behavior of the diaphragm, the maximum allowable strain and the relationship between the capacitance and the pressure. According to the method, the ceramic capacitor technology is combined, numerical simulation and experimental verification are carried out by establishing a mathematical model based on finite element analysis software and a deflection deformation theory, and thus the reliability and accuracy of the sensor in practical application are ensured.