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101results about How to "Breakthrough" patented technology

Air gap eccentricity fault diagnosis and classification method of ANFIS wind power double-fed asynchronous motor

InactiveCN107091986AGood effectWill not cause operational problemsNeural architecturesNeural learning methodsClassification methodsHybrid learning algorithm
The invention discloses an air gap eccentricity fault diagnosis and classification method of an ANFIS wind power double-fed asynchronous motor, belonging to the field of motor state detection and fault diagnosis. Wind power double-fed asynchronous motor air gap eccentricity faults are divided into several frequent fault types, based on software simulation. A double-fed asynchronous motor model is simulated and several fault types when an air gap eccentricity happens are simulated. The changes of current in a stator winding under different eccentricities of moving and static eccentric faults, a time domain is converted into a spectrogram when the wavelet decomposition of the current is carried out, characteristic frequency bands when different faults happen are extracted, the fault characteristic frequencies corresponding to different types of the air gap eccentricity faults are analyzed, then the wavelet energy of the bands are used as training sample data, an adaptive neural fuzzy inference system for the double-fed asynchronous motor air gap eccentricity faults is constructed, a hybrid learning algorithm is introduced to carry out training, and the air gap eccentricity fault type of the double-fed asynchronous motor is judged. The method has the advantages of high precision and high operability.
Owner:HOHAI UNIV

Method for preparing high density nanocrystalline hard alloy by step sintering

The invention provides a method for preparing a high density nanocrystalline hard alloy by step sintering, and belongs to the technical field of novel materials and novel powder metallurgy. The method comprises the following steps: firstly determining the dosage of the raw materials according to the requirements on the content of Co in the final hard alloy based on nanoscale purple tungsten oxide, cobaltous oxide, carbon black and mixed powder of vanadium oxide and chromic oxide as raw materials, mixing the raw materials and performing ball milling, then pressing the raw materials to blocks and conveying the pressed raw materials into a vacuum pump to perform a in-situ reaction to prepare nanometer composite powder with uniform distribution and good dispersity; filling the nanometer composite powder into a high density hard alloy mold, performing discharge plasma sintering, and performing segmented heating, heating up and heat preservation processes to obtain a pre-sintered block with controllable length and size of crystalline grain; finally, putting the pre-sintered block in a high-strength graphite mold to perform high temperature instant discharge plasma quick sintering densification to finally obtain a dense nanocrystalline hard alloy block material. The method provided by the invention can be used for effectively improving the density and mechanical properties of the hard alloy block material.
Owner:BEIJING UNIV OF TECH

Electrochemical immunosensor for detecting H5N1 subtype avian influenza viruses and manufacturing method of electrochemical immunosensor

ActiveCN102998447ATo achieve the purpose of analysis and detectionEasy to operateMaterial electrochemical variablesPathogenic microorganismAvian influenza virus
The invention discloses an electrochemical immunosensor for detecting H5N1 subtype avian influenza viruses and a kit. An antibody A-graphene oxide-BSA (Bovine Serum Albumin) compound for detecting the H5N1 avian influenza viruses provided by the invention is formed by an antibody A of the H5N1 avian influenza viruses and bovine serum albumin which are connected with graphene oxide through amido bonds. Proofed by an experiment provided by the invention, the nanometer antibody A-graphene oxide-BSA compound has an amplifying function, and the detection kit of the super-sensitive electrochemical immunosensor is established on the basis of a signal amplification property of the nanometer compound; and when the content of the H5N1subtype avian influenza viruses in a sample is small, a signal is amplified by the nanometer antibody A-graphene oxide-BSA compound, thereby fulfilling the purpose of effective analysis and detection. The method provided by the invention has the advantages of simple operation, high sensitivity and high specificity. According to the characteristics of the electrochemical immunosensor, if other antibodies are selected in experiments, the method can be used for detecting other pathogenic microorganisms.
Owner:GUANGXI VETERINARY RES INST

Watch ring with physical momentum records

The invention relates to a watch ring with physical momentum records. The watch ring is mainly used for recording movements of a wearer during wearing and recording physiological factors in the movements by cooperating with a physiological measurement component, so that the wearer can observe behaviors at different time and corresponding physiological states from the records. The watch ring comprises a momentum sensing component, a processing unit, a momentum assessment unit, at least one physiological sensing component, a physiological information processing area and a physiological and momentum information recording unit. The momentum sensing component comprises a global positioning system (GPS), a movement posture sensor, a pedometer for sensing the movement of the human body. The at least one physiological sensing component is used for sensing human body biological information. The physiological information processing area can perform data storage on data measured by specific physiological sensing components, determination whether values meet healthy standards, medical suggestions, medical advice and the like. The physiological and momentum information recording unit receives sensing data of the physiological information processing area and related operational results and marking the calculated momentums in the time axis.
Owner:深圳奇沃智联科技股份有限公司

Method for breeding tridentiger trigonocephalus by artificial induced spawning and insemination

The invention provides a method for breeding tridentiger trigonocephalus by artificial induced spawning and insemination, which relates to the artificial propagation of gobies. The method required tobe provided for artificially breeding the tridentiger trigonocephalus comprises the steps of ripe fish screening, maturity acceleration, insemination, incubation and larval fish culture, wherein the maturity acceleration of ripe fishes uses luteotropin to release hormone analogues, domperidone maleate and chorionic gonadotropin, and is characterized in that the three hormones are used twice for the maturity acceleration; in the maturity acceleration, the water temperature of culture is between 18 and 21 DEG C, the salinity is between 2 and 6, the dissolved oxygen is between 3.5 and 6.5mg/L, and the pH is between 7.5 and 9.0; and after the second time of the maturity acceleration, in 8 to 10 hours, mature ova and mature sperms are selected for artificial insemination which comprises the following steps that: the activated sperms are poured on the ova for sufficient contact so as to obtain fertilized ova; the fertilized ova are placed in a hatchery pond for incubation; and the hatched larval fish is placed in a culture pond for incubation, and chlorella and yolk powder of eggs are placed in water from the third day after the larval fish is hatched to feed food for the larval fish. The method is used for the artificial breeding of the tridentiger trigonocephalus.
Owner:EAST CHINA SEA FISHERIES RES INST CHINESE ACAD OF FISHERY SCI

Space on-orbit refueling self-locking type butt-joint interface device

The invention provides a space on-orbit refueling self-locking type butt-joint interface device, and belongs to the technical field of space operation. The device comprises a to-be-injected interfaceand a refueling interface, wherein the refueling interface is located in the center position of a refueling platform at the tail end of a refueling mechanical arm, and the to-be-injected interface islocated on a refueling platform of the outer wall of a to-be-injected spacecraft liquid storage tank. The to-be-injected interface and the refueling interface have self-sealing functions in the processes of pre-refueling introduction, refueling and post-refueling separation, no liquid leakage exists in the whole action process, in addition, a self-locking special structure formed among a steel ball, a refueling interface outer shell and an inner taper sleeve can guarantee reliable locking and smooth separation in the refueling process, the device can achieve double-self-sealing under-pressingrefueling, no liquid leakage and sealing are achieved in the whole process, self-locking is reliable, separation is rapid and safe, the phenomenon of being stuck is avoided, and a large reference value is provided for solving the core problem of interface design in the on-orbit refueling field.
Owner:NORTHWESTERN POLYTECHNICAL UNIV

Website framework of gathered-order transaction

The invention discloses a website framework of a gathered-order transaction. The website framework comprises a prepurchasing commodity unit, a supplier database, a supplier bidding unit, and a transaction center unit, wherein the prepurchasing commodity unit is used for receiving prepurchased commodities input by a buyer via a buyer computer of to a pointed manufacturer located in a manufacturer database; the other buyers can add the purchases through buyer computers belonging to the buyers to form a gathered order; the prepurchasing commodity unit records the total prepurchasing number; the prepurchasing commodities can be input by key words, then the manufacturer provides similar commodities for the buyer to purchase; the supplier database records data such as commodities, prices, quality, package of the manufacture, and the like; the supplier bidding unit is used for receiving the corresponding price of the prepurchasing commodity according to the purchasing number proposed by the pointed manufacture; the manufacturer can propose or extract information from the supplier database in real time; the transaction center unit is connected with the prepurchasing commodity unit and the supplier database to determine whether buyer and seller have a deal and then perform the subsequent treatment, wherein prices of the supplier database and the supplier bidding unit are displayed in a grade manner, and only one grade or a plurality of grades can be displayed.
Owner:杨裴生 +2

Process for producing silicon ingots by smelting silicon slag

The invention discloses a process for producing silicon ingots by smelting silicon slag. The process comprises the following steps: starting a furnace, smelting silicon, removing slag and molding reserved silicon liquid, which accounts for 15 percent to 20 percent of the volume in an intermediate frequency furnace, as initial silicon liquid for the next time of smelting; pouring the residual silicon liquid into a molding system and manufacturing to form the silicon ingots. According to the process disclosed by the invention, the weak electrical conductivity of the silicon liquid is used for carrying out induction heating; the silicon slag is directly used for smelting, silicon is separated after being smelted by utilizing the property that smelting points of the silicon and the waste slag are different and the silicon slag on the silicon liquid is fished by utilizing a slag removing device, so that the silicon and the waste slag are separated and are directly produced into the silicon ingots; compared with a maximum capability of 20KG of a crucible, the smelting amount of a monomer can be improved to be 5 tons in a manner of smelting the silicon by utilizing an induction furnace; compared with crucible smelting in the prior art, the yield and the production efficiency are greatly improved.
Owner:CHENGDU SILICON TECH CO LTD

Method for constructing neural network model of super deep adversarial learning

The invention relates to a method for constructing a neural network model of super deep adversarial learning in the field of artificial intelligence. According to the invention, adversarial learning is unsupervised machine learning which is directly for small data and transfers towards a high probability direction in a self-disciplined manner on the basis of a multi-probability scale, a strict distance relationship of data traversing different spaces is obtained through learning, a fuzzy event probability measure theory is introduced, the microscopic fuzzy information and the probability information are fully utilized, and the most rigorous adversarial relationship for performing adversity between the data is further established, so that the best adversarial learning effect can be obtained. The implementation effects are that problems of the optimal classification with the maximum probability and highest reliability, optimal pattern recognition and optimal prediction of the data traversing different spaces can be solved, a real simulated brain neuron mechanism can be realized, and an optimal algorithm of machine learning is achieved, thereby being an epoch-making new model capableof enabling the artificial intelligence to be widely applied in industry.
Owner:顾泽苍

Capping beam structure and construction method thereof

The invention relates to the technical field of bridge construction, in particular to a capping beam structure. The capping beam structure is characterized by comprising hollow structures and solid structures, the solid structures correspond to the positions of bridge piers, and the hollow structures correspond to the positions between adjacent bridge piers and the cantilever position of the capping beam. External prestressing tendons are arranged on the end portions of the capping beam in a tension mode, steel tendon through holes are arranged in the solid structures to realize the steering of the external prestressing tendons. The solid parts of the capping beam structure are connected with the bridge piers to form a whole, and the solid structures are connected with stand columns of thebridge piers to form consolidation nodes. The capping beam structure can greatly reduce the weight of the capping beam structure, the amount of the stand columns, a bearing platform and a pile foundation are saved, construction cost is reduced, the prefabricated assembly process can be more widely applied, the standardization, factory and assembly of the capping beam structure are realized, and the level of bridge construction in China is improved, good environmental benefits, social benefits and economic benefits are achieved, and promotion and application are facilitated
Owner:SHANGHAI MUNICIPAL ENG DESIGN INST GRP

Refrigeration pure water machine

The invention relates to a refrigerating water purification machine adopting a reverse osmosis technology, comprising a reverse osmosis membrane filtering unit and refrigeration equipment; the refrigeration equipment consists of a refrigerating ice liner and a cool conduction part and a semiconductor cooling plate which are fixed on the outer surface of the refrigerating ice liner; a radiator is tightly attached to the semiconductor cooling plate, the refrigerating ice liner is provided with an inlet pipe; the inlet pipe is connected with the purified water outlet of the reverse osmosis membrane filtering unit, and the radiator is connected with the concentrated water discharge outlet of the reverse osmosis membrane filtering unit, thus solving the problem that the radiator can not fully play the role of radiating, as the radiating effect is greatly affected by environmental temperature and is restricted by using space; in the invention, wastewater directly flows through a heat exchange water channel to directly carry out heat dissipation to a center point with high temperature, thus effectively improving radiating effect; by replacing and circulating cooling fluid in a stepping way, the heat accumulating problem of the cooling fluid can be solved; a pure circulation water cooling mode is no longer needed, therefore, an electrical source can be effectively saved.
Owner:卢振涛

Power generation method for realizing superpower automatic circulation and automatic compensation-output by means of buoyancy and gravity

The invention discloses a power generation method for realizing superpower automatic circulation and automatic compensation-output by means of buoyancy and gravity, and relates to an initiative power generation method capable of obtaining superpower automatic circulation and automatic compensation-output by means of buoyancy and gravity. Buoyancy-gravity components consisting of dozens of buoyancy-gravity cylinders 7 and gravity slide blocks 8 rotate surrounding upper and lower large rotating wheels 18 and 21 on circulating chains 16 and 17 in sequence of 1-6 in river, lake and sea reservoirs and artificial deepwater environments; at the position 1, the buoyancy-gravity components descend to exhaust air;when the buoyancy-gravity components are at the position 2, the gravitational potential energy moves from the position 2 to the position 3; at the position 4, the buoyancy-gravity components begin to ascend, and sucks from air volume bins 12 and 13 through pipes 9, 10 and 11 to form buoyancy energy; after the two energies are transferred to a speed adjustor 24 in an equipment room 26 through a power tooth wheel 19 and a power transmission chain 20, an electric generator 25 generates electricity; an air external connecting pipe is labeled as 14; an air pressure bin is labeled as 15; a pile frame body is labeled as 22; and a water platform is labeled as 23.
Owner:张效琪
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