48 results about "Solution analysis" patented technology

The invention discloses a terminal automatic fault diagnosis and restoration method on the basis of data mining. The terminal automatic fault diagnosis and restoration method includes that a terminal acquires fault characteristic data, a cloud side analyzes a fault resolution scheme on the basis of data mining and instructs the terminal to realize fault self-restoration, the terminal gains higher and higher fault self-resolution rate by continuously learning and accumulating fault characteristics and fault resolution schemes, and can automatically process most of normal faults. By the terminal automatic fault diagnosis and restoration method, conventional manual centralized judgment, analysis and processing is changed into fault reason analysis of data accumulation and mining, and on the basis of a fault resolution analysis and recommending mechanism of a parallel distribution and automatic 'exploration-feedback' mechanism and by 'learning' and 'sharing' fault characteristics and resolutions among the terminals, automatic fault resolution capability of the terminals are constantly improved, and finally, a centralized management mechanism which is quite easy to encounter bottleneck is transformed into a mode based on automatic management, diagnosis and restoration of various terminals.

The invention discloses an optimization design method for the sagging problem of a car door based on CAE structural analysis, which comprises the steps of: obtaining a design input condition from total arrangement and configuration of a car body; creating a CAD (Computer Aided Design) model by modeling software; dividing grids of the CAD model; simulating actual conditions to create a connection relationship; simulating a boundary constraint condition during an actual test of a car door assembly; carrying out solution analysis on a finite element model generated finally; comparing a result obtained by finite element simulation operation with an industry standard; if an obtained conclusion is lower than the industry standard, providing a structural optimization design; and if the obtained conclusion is higher than the industry standard, completing final design output. The method not only enhances the inspection accuracy, but also greatly reduces the period of a whole repair part so as to shorten the time of developing the whole car. Structural errors can be corrected in time by CAE analysis in early design, thereby reducing the cost of developing the whole car.

A plating system comprises a plating solution and an apparatus for control of the plating solution, the apparatus including a Raman spectrometer for measurement of organic components, a visible light spectrometer for measurement of metallic components, and a pH probe. The plating solution can be sampled continuously or at intervals. Dosing of the plating solution adjusts for components consumed or lost in the plating process. The method of dosing is based on maintaining a desired composition of the plating solution.

To provide an inductively-coupled plasma torch capable of realizing a GC analysis or the like and a solution analysis by the same torch without removing a capillary tube, etc. The injector tube of the inductively-coupled plasma torch includes an outer injector tube 11 for introducing an atomized solution sample or the like into the inductively-coupled plasma, and an inner injector tube 12 for introducing gaseous molecules into the inductively-coupled plasma, housed in the outer injector tube as integrated and coaxially with it. The inner injector tube is able to convey make-up gas, and has a capillary tube 4 for conveying gaseous molecules and carrier gas together. For sample introduction in analyzing a gaseous sample, the inner injector tube 12 is used, and for sample introduction in analyzing an aerosol sample, the outer injector tube 11 is used.

The solution from a multivariable predictive controller (MPC) is analyzed and described by providing quantitative input to operators regarding the effect of changing controller limits on the MPC controller solution. This information allows a rapid operator response to changes and more optimal process operation.

An expert system for the analysis of organizational conflict handling procedures to determine the absence or presence of predetermined rules and a preferred path for conflict resolution uses a computer system and computer instructions installed on, or linked to, the computer system containing predetermined rules for the resolution of organizational conflicts. Information is gathered for analysis of existing organizational conflict handling procedures for review via a predetermined conflict resolution analysis template that specifies a preferred path for conflict resolution across four boxes (options), and with the same preferred path template used to evaluate processes within each of the four boxes. The predetermined conflict resolution template yields recommendations, in accordance with the preferred path for conflict resolution, for modification of the existing internal organizational conflict handling procedures and the generation of new organizational conflict handling procedures.

The invention relates to a temperature and humidity independent control air-conditioning system based on the membrane distillation technology, which comprises a lithium bromide absorption refrigerating system, a lithium bromide solution dehumidifying system and an auxiliary connecting part, wherein the lithium bromide absorption refrigerating system is utilized to control the supply air temperature, and the lithium bromide solution dehumidifying system is utilized to control the supply air humidity; the solution analysis process in the lithium bromide absorption refrigerating system and the solution regeneration process in the lithium bromide solution dehumidifying system are subjected to centralized treatment in a membrane distillation component; a concentrated lithium bromide solution after treatment is divided into two parts, wherein one part is taken as an absorbent solution of an absorber in the absorption refrigerating system, and the other part is taken as a spraying solution in the solution dehumidifying system to perform dehumidification treatment on the air; simultaneously a low-temperature diluted lithium bromide solution treated by the dehumidifying system is taken as a cooling solution of the absorber in the absorption refrigerating system to recover energy, so that the efficiency of the system is improved and the energy of the system is saved.

A process hazard analysis (PHA) is performed in a data processing system. A chemical process to be evaluated is selected, after which a study type to be performed on the chemical process is also selected. The study type is conducted to evaluate the chemical process for the presence of hazard scenarios and any associated deficiencies requiring recommendations. After conducting the study, resolution plans to address the recommendations are generated. The study type used in the analysis may be customized or may be a known study type. The study type may use a risk matrix to generate a risk ranking for the hazard scenario. The risk matrix used may be created by the user, or may be a known risk matrix from another study type. After a resolution plan is generated, a resolution database may also be generated.

Financial transformation in one aspect establishes a hub and spoke network of models including at least a process model as the hub and at least components model, value driver model, applications model, solutions models as the spoke connected to the process model. A plurality of correlations is inferred among said models using daisy-chain analyses that navigate the hub and spoke network of models, and heat map is generated. Heat map analysis, application shortfall analysis, organization shortfall analysis, solution analysis, and business case analysis are performed.

The invention discloses a reservoir flood-control dispatching optimization method based on flood-control dispatching data adaptive control and relates to the technical field of reservoir flood-control dispatching. The method comprises the following steps: establishing a target reservoir general flood-control dispatching chart; establishing a flood-control dispatching model; determining an objective function; according to the number of dispatching lines of the general flood-control dispatching chart and the number of inflection points of each dispatching line, obtaining the total number of optimization variables required by the general flood-control dispatching chart; according to the determined objective function and the optimization variables, carrying out optimization calculation through an NSGA-II algorithm, and carrying out Pareto non-dominated solution analysis on the objective function to obtain an optimized general flood-control dispatching chart; and carrying out flood control service calculation through the optimized general flood-control dispatching chart. Reservoir flood-season dispatching with the general flood-control dispatching chart being introduced can make full use of incoming water of a reservoir while ensuring safety of downstream flood control, thereby improving flood utilization efficiency, and meanwhile, improving solution efficiency of an optimization model.

The invention provides a method for compensating transmission chain errors of an aircraft model of a decoupling mechanism in captive trajectory tests. The method comprises the steps that mechanism kinematic positive solution analysis is conducted to determine a theoretical relation matrix between tail end poses of the decoupling mechanism and motor rotating angles; actual joint parameters of the decoupling mechanism are determined through a portable measuring arm and compared with theoretical values to obtain joint parameter errors of all freedom degrees; a corresponding relation table between expected tail end poses and the actual transmission chain pose errors is established; a motor angle compensation table corresponding to the transmission chain pose errors is established; and a pose error is found out by checking the relation table between the expected tail end poses and the actual transmission chain pose errors according to a given expected pose, and further a motor angle compensation amount is found out by checking the motor angle compensation table corresponding to the transmission chain pose errors, and a motor input angle is adjusted to achieve the purpose of error compensation so as to ensure the precision of the decoupling mechanism participating in the captive trajectory tests. By adoption of the method, the precision of the six-freedom-degree mechanism participating in the captive trajectory tests is ensured, and errors of detached body mechanisms in all freedom degree transmission parts can be accurately compensated.

Improved methods and systems for electroplating wafers are described herein. The method includes the acts of introducing a wafer which is coupled to an electrode into an electroplating cell having a counter electrode; maintaining a flow of a plating solution through the cell for electroplating the wafer; removing the wafer from the cell; stopping the flow of the plating solution through the cell; maintaining a volume of plating solution within the cell sufficient to keep the counter electrode submerged during stoppage of flow; removing the plating solution within the cell; and repeating the above steps for a subsequent wafer. By stopping the flow of plating solution after completion of plating one or more wafers, a consumption rate of additives enhancing electroplating properties is reduced, a production rate of breakdown products produced during electroplating is reduced, plating solution useable life is increased, and a need for plating solution analysis is reduced.

The invention belongs to the technical field of electronic countermeasures, in particular to a dual-satellite positioning method based on a WGS (World Geodetic System)-84 model. A dual-satellite direction-finding positioning closed resolving method based on the WGS-84 model is provided, the dual-satellite direction-finding closed resolving method is provided through the pseudo linearization of anangle measuring equation and combination of WGS-84 earth ellipsoidal model restraint, earth surface target radiation source is positioned and resolved, a weighted least square solution analysis of thetarget under the restraining action of an earth ellipsoidal model is provided; as proved by the simulation, the algorithm can approach the Cramer-Rao low bound (CRLB) of positioning error when the system direction-finding error is not very large; compared with the conventional method of directly resolving a multivariate non-linear equation by an analytical method and using a Newton iteration method to resolve the target position, the method has the advantages that when the two satellites are in the same rail or different rails, the target can be positioned and resolved uniformly, under the method, the configuration of a satellite is flexible, iteration resolution is not required, calculation amount is low, and the problem of inaccurate positioning solution is solved.

A method and apparatus for analyzing plating solutions. The apparatus generally includes a plating cell, a reference electrolyte input, one or more external additive pumps, and a process controller. In one embodiment, the plating cell includes a cavity therein having a larger volumetric portion adjacent a smaller volumetric portion adapted to hold one or more solutions therein. The plating cell also includes a base disposed adjacent the bottom of the plating cell and adapted to receive and mix one or more test solutions as part of the plating solution analysis. In one configuration, the base includes electrical ports adapted to connect stimulation signals to a working electrode, counter electrode, and reference electrode disposed within the cell. The base also includes a thermal sensor in thermal contact with test solutions contained within the vessel.

An automated linked aircraft reliability and solution analysis system includes a central database and an aircraft fleet reliability database comprising aircraft fleet reliability data and a service solutions database comprising service solution data connected to the central database. The central database is adapted to link the aircraft fleet reliability data in the aircraft fleet reliability database with the service solution data in the service solutions database. An automated linked aircraft reliability and solution analysis method is also disclosed.

A split type magnet device for a high-sensitivity NMR apparatus to be used for solution analysis generates a remarkably uniform magnetic field at the center portion of the magnet device used for determining a sample. The magnet device for NMR apparatus has first multilayer coils and second multilayer coils, which face each other with a predetermined distance being provided therebetween, each of pairs of the first and the second coils being substantially coaxial with respect to a central axis, and each of layers of each of the first and the second multilayer coils having at least one coil. An energizing current of at least one of the coils constituting an innermost layer of each of the first and the second multilayer coils is in a minus direction, when an energizing current of the coil used for generating a main magnetic field for NMR detection in the vicinity of a center portion of the apparatus is in a plus direction.

The invention discloses a medium-voltage distribution network power failure event judgment and completion method based on a support vector machine, and belongs to the technical field of distribution network operation. The method comprises four links, namely distribution network model construction, vector machine construction, vector machine solution analysis and fault type judgment and combination. According to the medium-voltage distribution network power failure event judgment method based on the support vector machine, the final power failure node and type of the power failure event are determined, the power failure event of missed mining and false mining of the medium-voltage distribution network is complemented, the problems of missed reporting, false reporting and false reporting inmedium-voltage and low-voltage distribution network power failure event statistics are solved, and the statistical accuracy of the power supply reliability of the distribution network is improved.

The invention provides an ion chromatography method for measuring trace chloride ions in triethyl aluminum. The method includes the steps of 1, pretreatment of a sample to be measured, wherein the TEAL sample is dissolved with isopropanol, the volume is kept at scales with secondary deionized water, ultrasonic and centrifugal treatment is carried out, and supernatant is taken, passes through a 0.22-micrometer pin type filter and an H-type pretreatment column, and then enters an ion chromatography system for analysis; 2, preparation of a work curve solution; 3, analysis of a standard addition method solution, wherein the repetitive solution is continuously injected 6 times, a chromatogram of Cl- standard addition solution analysis is obtained, the pretreated triethyl aluminum sample solution is subjected to ion chromatography analysis, the peak area of Cl- is obtained, and the content of Cl- in triethyl aluminum is obtained according to a work curve and the peak area of Cl-. The method is easy to operate, good in repeatability and high in sensitivity, the content of chlorine ions in TEAL can be effectively measured, and the problem that in the measuring process, heavy metal aluminum contaminates and damages the chromatographic column and a suppressor is solved.

The invention provides a green supply chain collaborative design and optimization system and method, and relates to the technical field of production and manufacturing. The system comprises a user information database, an index database, a supply chain information storage database, a system management module, an index management module, a collaborative design module and a solution analysis module.The user information database is used for storing registration information of a user; the index database is used for storing each index and the weight thereof; the supply chain information storage database is used for storing product related information; the system management module is used for managing the user information and the project information; the index management module manages the index information and the weight of the index information; and the solution analysis module compares a plurality of design results and selects an optimal green supply chain project. According to the greensupply chain collaborative design and optimization system and method provided by the invention, data sharing among the supply chain participants is realized, and collaborative cooperation among the supply chain participants is more convenient.

The invention discloses a finite element simulation method for tin-based binary eutectic phase separation, and relates to the technical field of finite element simulation analysis. The method comprises the steps of generating a black-white binary image of a tin-based binary eutectic phase through model processing, defining black-white boundary points of two phases, determining migration directionsof the black-white boundary points of the two phases, simulating a two-phase separation process, outputting a finite element model, and carrying out solution analysis. According to the method, the separation process of two phases in the eutectic structure of the tin-based binary brazing filler metal is simulated; a result in the separation process is output to finite element software; a corresponding finite element model is established; an analysis result of the finite element model is solved; and then, through analysis results, the limitation of related research on the electromigration problem can be effectively solved, so that the segregation process of the microstructure in the brazing filler metal is effectively represented, and further, the understanding of the interaction mechanismbetween electromigration and segregation of the microstructure in brazing filler metal interconnection can be deepened through finite element simulation results.

The invention relates to a method for detecting a content of cerous sulfate in a tin-cerium alloy electroplating solution and belongs to the field of electroplating solution analysis technologies. The method is mainly characterized by comprising the following steps: oxidizing the electroplating solution to be detected by using perchloric acid, phosphoric acid and nitric acid with a certain concentration; with N-phenyl o-aminobenzoic acid as an indicator, detecting the content of the cerous sulfate in the tin-cerium alloy electroplating solution in a way of titrating tetravalent cerium into trivalent cerium by using an ammonium ferrous sulfate standard titration solution. The detection method has the characteristics that the detection is simple, the detection process is convenient, quick and environment-friendly and low in cost, and the detection results are accurate and coincident.

The invention belongs to the technology of nuclear power station design and specifically relates to a method for establishing initial reactor test items of an advanced pressurized water reactor nuclear power station debugging stage. The method comprises steps of arrangement and classification of items using new concept design and having new designed characteristics; item configuration decomposition and performance analysis; determination of debugging testing items and content; characteristic evaluation of debugging testing items and content, enforceability prediction and alternative solution analysis, and test method establishment and test window selection. The method may guarantee accurate establishment of a series nuclear power reactor type initial set debugging plan and smooth and effective development of debugging operation, fully and completely verifies the items using new concept design and having new designed characteristics so as to guarantee later safe and stable operation of the reactor type nuclear power station.

Financial transformation in one aspect establishes a hub and spoke network of models including at least a process model as the hub and at least components model, value driver model, applications model, solutions models as the spoke connected to the process model. A plurality of correlations is inferred among said models using daisy-chain analysis that navigate the hub and spoke network of models, and heat map is generated. Heat map analysis, application shortfall analysis, organization shortfall analysis, solution analysis, and business case analysis are performed.

The invention relates to a method for synthesizing an integral bed for cracking solution analysis, which belongs to the technical fields of biomelecule analysis and chromatographic analysis. The method comprises the following steps: mixing metacrylic acid ester containing an epoxy terminal group or an acrylic ester monomer containing the epoxy terminal group with cross-linking agent, pore-forming agent and initiating agent to obtain a reaction mixture; uniformly mixing the mixture in an ultraphonic way, adding the mixture into a chromatographic column pipe and carrying out in-situ polymerization to form an integral bed; after polymerization reaction is finished, washing the integral bed by organic solvent; modifying the integral bed by amine modifying agent dissolved in the organic solvent; after modification reaction is finished, washing the integral bed by the organic solvent. The invention has the key point of controlling the hole structure and the modifying density of the integral bed. The integral bed synthesized by the method can analyze cracking solution which is not preprocessed and contains a plurality of impurities, the analyzing process is convenient and rapid, and the cost is low.

An electroplating solution analyzer includes an analysis container for housing an electroplating solution containing additives including an accelerator and a suppressor, a working electrode that is immersed in the electroplating solution housed in the analysis container to exchange electrons therewith, a reference electrode immersed in the electroplating solution and serves as a reference for determining a potential of the working electrode, a counter electrode immersed in the electroplating solution, a rotation drive unit for rotating the working electrode at a constant speed, a current-generating unit for supplying a current with a constant current density between the working electrode and the counter electrode, a potential measuring unit for measuring a potential between the working electrode and the reference electrode, and an analyzing unit for determining a condition of the electroplating solution in one or more measurement sections at an elapsed time after the current starts to be supplied.

An electrolytic copper plating solution analyzer comprises an analysis container for accommodating a part of an electrolytic copper plating solution containing additives including a promoter, an inhibitor and a leveler, a working electrode immersed in the electrolytic copper plating solution accommodated in the analysis container, a reference electrode immersed in the electrolytic copper plating solution and used as a reference when a potential of the working electrode is determined, a counter electrode immersed in the electrolytic copper plating solution, a rotation drive unit for rotating the working electrode at a given speed, a current generation unit passing an electric current with a given current density between the working electrode and the counter electrode, a potential measurement unit for measuring the potential between the working electrode and the reference electrode, and an analysis unit for analyzing the relationship between an elapsed time after the current passage and the potential.

The invention provides a method for designing a continuous titration chemical analysis scheme of a sodium aluminate solution, and belongs to the field of chemical analysis methods of component contents in an aluminum industrial production process. The method for designing the continuous titration chemical analysis scheme of the sodium aluminate solution is mainly characterized by comprising the following steps of: carrying out sample analysis on a plurality of sodium aluminate solution analysis samples differing in caustic ratio variation range by respectively applying a plurality of ethylene diamine tetraacetic acid (EDTA) standard solutions differing in concentration value; in a process of adding a certain amount of EDTA standard solutions into the sodium aluminate solution analysis samples, constantly keeping the proportion of the added excessive EDTA within 0-1 / 3 of the total amount; and in an analysis process, controlling the total concentration of various chemical components of the sodium aluminate solution analysis samples generally not lower than 0.01mol / L and controlling the minimum not lower than 0.001mol / L. Meanwhile, the invention provides two sets of improved schemes applicable to the chemical analysis in scientific research and production processes; and in comparison with the conventional analysis scheme which is about 3% in maximum analysis error, the maximum analysis errors of the improved schemes are just about 0.6%.

The invention discloses a LIBS (laser-induced breakdown spectroscopy) analysis method based on optical tomography simultaneous iterative reconstruction. The problem of quantitative solution of multivariate LIBS is a high-precision optical tomography reconstruction problem, and the solution of an incidence matrix F is reconstructed three-dimensional physical quantity distribution in the optical tomography. The method comprises the following steps: a high-precision SIRT iterative algorithm is combined with matrix column vector decomposition to solve all column vectors of the incidence matrix F by column-by-column iteration in order to obtain the incidence matrix F; and the high-precision solution analysis of each element in an unknown sample is realized according to the operation of the actually measured normalized spectral intensity vector and the incidence matrix of the unknown sample. A like optical tomographic model and solving are adopted in the multivariate analysis calibration tosolve the influences of the competitive emission of different elements in the chemical matrix effect; and solving using the SIRT tomographic algorithm effectively inhibits noises in measurement data and obtain the incidence matrix of a minimum root mean square error, so the quantitative analysis precision of LIBS is improved.