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209results about How to "Strong convergence" patented technology

Antibacterial down feather and manufacturing method thereof

The invention relates to an antibacterial down feather and a manufacturing method thereof. The manufacturing method comprises the steps of raw material stem removal, dust and sand removal, precise separation, washing, dehydration, drying, cooling and package, wherein an antibacterial agent comprises the following components in portion by weight: 6 to 10 portions of quaternary ammonium salt A, 1 to 2 portions of modified chitosan, 0.2 to 0.5 portion of silane coupling agent, 0.1 to 0.5 portion of solubilizing agent, and 0.3 to 0.6 portion of dispersing agent. The antibacterial down feather can effectively prevent mildew and attack of insects of the down feather in storage, transportation and use, and particularly when the antibacterial down feather serves as a filling material and is manufactured into articles for daily use, because of the antibacterial and bacteriostatic functions, the corresponding products have obvious functions of resisting bacteria, diminishing inflammation, deodorizing, resisting mildew, relieving itching and converging, and have no stimulation to skins, and the antibacterial rate of the obtained down feather to staphylococcus aureus bacteria reaches up to 99 percent, and after 10 times of washing, the antibacterial rate still reaches 92 percent.
Owner:凌颖

Online collaborative estimation method for charge state and health state of ternary lithium battery

ActiveCN110261779AAccurate predictionReduced sampling accuracy requirementsElectrical testingCapacitancePower flow
The invention discloses an online collaborative estimation method for the charge state and the health state of a ternary lithium battery. The method improves the Thevenin equivalent circuit model, obtains the state space equation of the improved Thevenin equivalent circuit model according to the circuit relationship, further obtains the mapping relation between OCV and SOC, obtains the specific values of the polarization resistance, the polarization capacitance and the internal resistance at each sampling point by acquiring the external voltage and current values and performing identification in real time by using the FFRLS algorithm, the parameter values of the Thevenin equivalent circuit model are updated in real time according to the running state of the BMS immediately before the calculation of the SOC and the SOH each time, so that the prediction of the SOC and the SOH by the BMS is more accurate, when the method achieves high-precision estimation of the SOC and SOH for the ternary lithium battery, the external circuit is simple, only the conventional BMS is used for acquiring the voltage, current and time values, and the method has extremely strong convergence, has high robustness to the initial error value, and still adopts the iterative loop calculation method, so the sampling precision requirement of BMS can be properly reduced.
Owner:XI'AN PETROLEUM UNIVERSITY

Online self-adaptive guidance algorithm for active section of multi-stage boost-glide vehicle

The invention relates to an online self-adaptive guidance algorithm for an active section of a multi-stage boost-glide vehicle. The online self-adaptive guidance algorithm adopts a brand-new gliding time online numerical prediction iterative algorithm to solve gliding ignition time; in a powered flight stage, on the basis of a predicted reference flight path, an online model prediction static programming algorithm with terminal multi-constraint and flight process constraint capabilities is adopted for calculating a guidance instruction meeting a terminal multi-constraint condition and a flightprocess constraint at the same time according to a quadratic index of a minimum correction angle; an online closed-loop self-adaptive guidance algorithm composed of a model prediction static programming algorithm is adopted to output a closed-loop instruction in each guidance period; and the multi-stage ''boost''-''glide''-''boost'' vehicles are taken as research objects, depletion shutdown solidengines are adopted, a low trajectory mode is adopted for an active section flight trajectory, and the active section flight trajectory comprises a first-stage powered flight section, an unpowered sliding section, a second-stage powerd flight section and a third-stage powered flight section. The online self-adaptive guidance algorithm has the advantages of high flexibility and high reliability.
Owner:西安智翔防务技术有限公司

Calculation method of optimal power flow based on class extension variable interior point method

The invention provides a calculation method of an optimal power flow based on a class extension variable interior point method. The calculation method comprises the following steps of importing a class extension variable in a non-convex nonlinear programming, and determining a lagrangian function after the class extension variable is imported; constructing a Karush-Kuhn-Tucker (KKT) condition equation of the lagrangian function after the class extension variable is imported; solving the KKT condition equation; and calculating the optimal power flow according to a prediction-correction method. According to the calculation method, when an original optimization problem has no solution for the limits of constraint conditions, a range needing to open the constraints and the corresponding optimal solution are provided; and a solution is also provided for some optimization problems which cannot be converged by using the traditional prediction-correction method; the solution space of the optimization problem is widened; and the convergence is improved. A practical solution is provided to numerical problems in a large number of equations for a new method by the calculation method, and the effectiveness is verified by an example of an electrical power system power flow optimization problem.
Owner:STATE GRID CORP OF CHINA +1

Additive for tea odor type tobacco and method for making same

InactiveCN101156711ARefreshingWith anti-greasy weight lossTobacco treatmentBiotechnologyAlcohol
The invention discloses an additive used for tea fragrant type tobacco and the preparation method thereof. The invention is characterized in that the raw material of the additive used for tobaccos is obtained through reasonably blending the raw materials of jasmine tea, burdock, licorice and bee honey; the extracting solution is prepared through the jasmine tea, burdock as well as the licorice of certain proportion by adopting a solvent refluxing method, is prepared to be medical ointment through being concentrated under reduced pressure, and is formed to be an additive used for tobaccos through being added with a proper amount of bee honey. The use amount is 0.01 to 5 percent of the weight of tobacco thread, in order to cut rolled stem or tobacco thin slice, the additive is dissolved in the mixed solution of distilled water, ethyl alcohol or propylene glycol of certain amount to form an additive used for tea fragrant type tobacco, and is evenly sprayed on the cigarette tobacco thread, the cut rolled stem or the tobacco thin slice and is formed to be cigarettes. The invention can reduce the irritability to the respiratory system generated by the tobacco smoke, has the functions of adjusting tea fragrance, flower fragrance, smoky flavor and medicine fragrance, and can improve the cigarette fragrance, the aftertaste is comfortable, and the tobacco smoke is exquisite and gentle, and thereby the serious irritability to the respiratory system of the smokers is effectively reduced, the respiratory disease is reduced, as well as the harm from smoking is lightened.
Owner:CHINA TOBACCO GUANGXI IND

Method for automatic drawing and mapping of network frame graph of distribution network

The invention relates to a method for automatic drawing and mapping of a network frame graph of a distribution network. The method comprises the following steps of initializing network frame connection information, identifying an equipment dictionary table in a network, determining the type of distribution network equipment and the number of connection points of distribution network circuits, and grouping network frames of different network numbers; carding the distribution network equipment and the distribution network circuits of each distribution network to form a node-branch incidence matrix; randomly determining coordinate values of a position array of equipment nodes according to the connection relation between the nodes; computing repulsion and attraction between the nodes; judging whether the total energy of the distribution network and the number of iterations exceed thresholds, and carrying out orthogonalization on the circuits between the nodes; and adjusting the crossed circuits, determining a cross-line position, re-determining the coordinate values of the position array of the equipment nodes and storing the coordinate values. The method is responsible for drawing a topology of an orthogonal graph of the network frames of the distribution network based on a force-directed algorithm through the connection information of the circuits in a database, the aesthetics and the consistency of the drawn graph are guaranteed, and the graphical rapid mapping of high-dimensional topological data is realized.
Owner:CHINA ELECTRIC POWER RES INST +2

Composite plant extract feed additive for preventing swine dysentery

The invention provides a composite plant extract feed additive for preventing swine dysentery. The composite plant extract feed additive is mainly prepared from the following components of 5-10 parts of Chinese gall tannic acid, 20-50 parts of a plant essential oil composite, 3-6 parts of garlicin, 3-6 parts of lauric acid and esters thereof, 3-6 parts of acanthopanax polysaccharide, 3-6 parts of a solubilizer and 42-50 parts of carriers, wherein the plant essential oil composite is mixed and compounded from 3-6 parts of rosemary oil, 5-10 parts of thyme oil, 3-6 parts of folium eucalypti oil and 10-25 parts of cretian origanum oil. The addition proportion of the composite plant extract accounts for 0.01%-0.3% of a pig feed. The composite plant extract feed additive is prepared from natural plant extracts, can effectively prevent swine dysentery, and protect large intestines and caecums from being damaged by serpulina hyodysenteriae. In addition, through the composite plant extract feed additive disclosed by the invention, the immunity of animals can also be adjusted, the occurrence rate of diarrhoea and respiratory diseases can be reduced, and the growing performance of the animals is improved. The composite plant extract feed additive can be applied to pigs at various growth phases, is free from residues of veterinary drugs, does not have withdrawal time, does not generate drug tolerance, and is a novel green feed additive for preventing the swine dysentery.
Owner:ANYOU BIOTECH GRP

Hybrid fruit fly algorithm based on double-objective job shop scheduling

The invention provides a hybrid fruit fly algorithm based on double-objective job shop scheduling. The method comprises the following steps: a mathematical model is built; the constraint conditions for the processing order of different working procedures of each work piece are built; the constraint conditions for the processing order of the working procedures of different work pieces on each machine are built; an objective function is built; fruit fly individual and fruit fly population initialization are carried out; a new fruit fly population is obtained, and a global collaboration mechanismis carried out; the new obtained fruit fly population is evaluated and iterative optimization is carried out; and if termination conditions are met, non-inferior sets obtained through multiple timesof operation are combined and screened to obtain a pareto solution set. Only two parameters need to be set, the algorithm is simple to realize, the complexity of job shop scheduling is reduced, and the job shop scheduling efficiency is enhanced; besides, the global optimization ability is strong, and the job shop scheduling problem can be effectively solved; and the hybrid fruit fly algorithm based on double-objective job shop scheduling has the advantages of few set parameters, strong convergence and strong robustness and the like.
Owner:北京创源微致软件有限公司 +1

Wireless charging device with dynamic frequency modulation function and metasurface structure, and application of wireless charging device

The invention relates to a wireless charging device with a dynamic frequency modulation function and a metasurface structure, and an application of the wireless charging device. The wireless chargingdevice comprises an energy conversion unit and a functional layer; the functional layer comprises a liquid-state metal metasurface structure layer and is distributed in the circumferential direction by taking the energy conversion unit as the axis to form a metasurface in circumferential distribution; or the functional layer also comprises a grounding metal layer; the functional layer is distributed in the radial direction by taking the energy conversion unit as the center of a circle to form a metasurface in radial distribution; the liquid-state metal metasurface structure layer comprises a dielectric substrate and a plurality of metasurface structural units arranged on the dielectric substrate; each metasurface structural unit comprises a liquid-state metal collector arranged on the dielectric substrate, an electrolyte solution collector, and an annular metasurface structural unit channel; and the liquid-state metal collector and the electrolyte solution collector are uniformly distributed and connected with the metasurface structural unit channel. In wireless charging, by virtue of the liquid-state metal metasurface structure, dynamic phase modulation and high focusing effect onwave source can be achieved.
Owner:XI AN JIAOTONG UNIV

Image generation method based on Gaussian mixture model prior variation auto-encoder

The invention discloses an image generation method based on a Gaussian mixture model prior variation auto-encoder. The method comprises the following steps: S11, presetting and generating an image training data set, wherein the training data set is composed of a plurality of batches of training data; s12, building a variation auto-encoder network of Gaussian mixture model prior; s13, uploading a plurality of preset batches of training data to the variational auto-encoder network, and determining posteriori distribution and prior distribution of the variational auto-encoder network; s14, determining a relationship between Gaussian components in the Gaussian mixture model to obtain a mapping function; s15, obtaining a reconstruction loss function and a KL divergence function by using the variational auto-encoder network and the obtained mapping function, calculating a posteriori distribution loss function and a priori distribution loss function of the variational auto-encoder network, and updating parameters of the variational auto-encoder network to generate an image; and S16, when an image is generated, taking the pseudo input as an input image and uploading the pseudo input to thevariational auto-encoder network to obtain a finally generated picture.
Owner:HANGZHOU DIANZI UNIV

Polyurethane coating material for shoe coating and preparation method of polyurethane coating material

The invention provides a polyurethane coating material for shoe coating and a preparation method of the polyurethane coating material. The preparation method comprises the following steps that step (1) isocyanate, polyester polyol, a moisture scavenger and a diluent are added into a reaction kettle in proportion and mixed evenly, reaction is carried out for 6-8 hours under the condition of 80-120DEG C, vacuum bubble removal is carried out, and cooling is performed to obtain a component A; step (2) polyester polyol, a chain extender, a catalytic agent and a glycerin solution of dehydrated aluminum potassium sulfate dodecahydrate are added into the reaction kettle in proportion and mixed evenly and vacuumized for 2-3 hours to remove bubbles, and a component B is obtained; and step (3) the component A and the component B are evenly mixed in proportion, vacuum bubble removal is carried out for 30s, and the polyurethane coating material is obtained. The prepared polyurethane coating material is used for coating the surface of a shoe, once-forming can be achieved, and the problem that bubbles generated in the coating due to the fact that a known spraying polyurethane elastomer reacts with moisture is further solved.
Owner:FOSHAN NANHAI QIHONG SHOES MATERIAL CO LTD
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