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400results about How to "Remarkable results" patented technology

Depth neural network system and method based on modulation mode recognition of underwater acoustic communication

The invention provides a depth neural network system and a method based on modulation mode identification of underwater acoustic communication. The system comprises: a data preprocessing part for preprocessing data of a plurality of modulation modes transmitted through underwater acoustic communication; A first layer neural network generates a feature extraction set of the first layer according toa plurality of modulation mode data transmitted from the pretreated underwater acoustic communication; The second layer neural network generates the second layer high-level feature set; The third layer neural network generates higher level feature set, the fourth layer neural network classifies and identifies the initial data by the feature set extracted in front; The fifth layer is the neural network layer, which generates the final modulation mode judgment and outputs the identified modulation mode. The depth neural network system and method based on the modulation mode recognition of underwater acoustic communication can simulate the actual use situation, improve the use effect in the actual underwater acoustic communication, more conveniently and efficiently complete the modulation recognition of underwater acoustic communication, and improve the accuracy of recognition and judgment.
Owner:TAISHAN UNIV

Continuous casting secondary cooling dynamic control method based on online temperature measuring and heat transferring model

The invention provides a continuous casting secondary cooling dynamic control method based on an online temperature measuring and heat transferring model. The continuous casting secondary cooling dynamic control method includes constructing a new continuous casting secondary cooling dynamic model, planting the new continuous casting secondary cooling dynamic model into a computer system, embedding the new continuous casting secondary cooling dynamic model into a water distribution system of a continuous casting machine and enabling the new continuous casting secondary cooling dynamic model to be in communication connection with a PLC (programmable logic controller); mounting a non-contact type temperature measuring instrument CQU-2MB in a continuous casting straightening area and enabling the non-contact type temperature measuring instrument CQU-2MB to be in communication connection with the PLC and to form a feedback circuit with the new continuous casting secondary cooling dynamic model; acquiring various technological operation parameters by the new continuous casting secondary cooling dynamic model in an online manner during continuous casting; carrying out simulation computation of parameters in real time; measuring the temperature of the surface of a casting blank in the continuous casting straightening area in an online manner; and controlling and adjusting the quantity of water for continuous casting secondary cooling by comparison and computation for the temperature measured in real time in the online manner, the temperature which is predicted by a heat transferring model and is corrected in real time and the temperature of the surface of a target casting blank. By the continuous casting secondary cooling dynamic control method, accuracy and reliability of continuous casting secondary cooling dynamic control and stability of running of continuous casting secondary cooling are greatly improved, and the method is simple and feasible in implementation and obvious in effect.
Owner:CHONGQING UNIV

Air purifier and air treatment method thereof

The invention relates to an air purifier and an air treatment method thereof. The air purifier comprises an upper main body and a lower main body and is characterized in that an air treatment unit arranged in the upper main body is used for treating the air in the area to be treated; a moving unit arranged in the lower main body comprises a driving unit and a driving wheel; a control unit is used for respectively controlling the air treatment unit and the moving unit to work; an air quality sensor is used for detecting the information value of air pollution; the signal of the air quality sensor is transferred to the control unit; an information storage subunit in the control unit is used for storing the information value detected by the air quality sensor, of air pollution in the starting and finishing positions from and to which the air purifier goes straight in two different directions; and an information treatment subunit in the control unit is used for treating the information value stored in the information storage subunit, of air pollution and judging the direction of the pollution source. The air purifier and the air treatment method have the following beneficial effects: the air purifier purifies the pollution source from the source by actively seeking the pollution source, thus shortening the working time and achieving an obvious effect.
Owner:ECOVACS ROBOTICS (SUZHOU ) CO LTD

Deep horizontal well drilling track regulating method

The invention discloses a deep horizontal well drilling track regulating method, which comprises the following steps of: before the drilling of a drilling well, using an adjacent well speed field for predicting the main formation limit depth of the drilling well; before the drilling to a target layer, virtualizing the drilling well into a pilot well; obtaining the actual formation limit depth of the drilling well and a quarto well logging curve while drilling; correcting the deep formation limit at the main formation depth obtained before the drilling according to the obtained actual formation limit depth, and obtaining a corrected marking layer depth; performing the putting into a seismic profile according to the obtained quarto well logging curve in accordance with the marking layer so as to reverse the speed field of the drilling well; predicting the depth of the target layer of the drilling well according to the speed field of the drilling well; and regulating the drilling track set in the last time if the difference of the current predicted depth of the target layer and the depth of the target layer predicted in the last time is greater than the preset deviation threshold. The method has the advantages that the Yuanba horizontal well track optimization and regulation are effectively guided, and the effective reservoir drilling ratio is improved.
Owner:CHINA PETROCHEMICAL CORP +4

Projection welding nut welding clamp

InactiveCN101480771ASimple processReduce intermediate transportation linksWelding/cutting auxillary devicesAuxillary welding devicesEngineeringWelding
The invention relates to a welding clamp for projection welding nuts, which is used for solving the welding problem of a sheet metal component. The welding clamp comprises a clamp seat, a clamping mechanism, an upper clamping piece, a lower clamping piece, an upper press block and a lower press block, wherein the position of the upper press block corresponds to the position of the lower press block from top to bottom, the lower clamping piece is fixed on the clamp seat, the lower press block is fixedly connected with the lower clamping piece, and the lower press block is provided with a nut positioning pin coated with an insulating layer; the upper clamping piece is connected with the clamping mechanism and fixedly connected with the upper press block, an insulation sheet is arranged between the upper press block and the upper clamping piece, and a lower insulation sheet is arranged between the lower press block and the lower clamping piece. The welding clamp can position and clamp a projection welding nut and a sheet metal component and directly weld the projection welding nut on the sheet metal component on a positioned work station by utilizing a suspension spot welder. Due to the adoption of the clamp, the technique process is simplified, a middle transportation link is saved, and the clamp plays an obvious role in enhancing the work efficiency and saving the carrying space.
Owner:GREAT WALL MOTOR CO LTD

Comprehensive evaluation method based on multi-stress for electric energy quality of monitoring points of electrified railway

The invention discloses a comprehensive evaluation method based on multi-stress for the electric energy quality of monitoring points of an electrified railway. The comprehensive evaluation method is characterized by comprising the following steps of: firstly establishing a single electric energy quality index description system and an electric energy quality multi-stress description system; and then calculating the score of electric energy quality multi-stress of each monitoring point, sorting the electric energy quality of each monitoring point according to the size of the synthesis score of the electric energy quality of each monitoring point by taking a variance contribution rate of each electric energy quality multi-stress as a weight for calculating a synthesis score of the electric energy quality of the monitoring points, simultaneously, classifying all the monitoring points by adopting a fuzzy C mean value clustering method according to the need of sorting management, and carrying out category classification on the monitoring points. According to the comprehensive evaluation method, the overall sorting and clustering of the electric energy quality condition of the monitoring points of the electrified railway are realized, and references and basis are provided for the unified management and deep planning management of electric energy quality.
Owner:ELECTRIC POWER RES INST OF STATE GRID ANHUI ELECTRIC POWER

Climbing robot for angle steel tower

ActiveCN112356940AGuaranteed efficient obstacle clearanceGuaranteed clamping effectManipulatorVehiclesControl engineeringMachine
The invention belongs to the technical field of climbing robots for electric power operation, and particularly relates to a climbing robot for an angle steel tower. The robot comprises a main machineand clamping assemblies, the clamping assemblies comprise the upper clamping assembly and the lower clamping assembly, and at least one set of clamping assemblies can do reciprocating displacement motion parallel to the advancing path of the main machine relative to the main machine; each clamping assembly comprises a clamping jaw, an angle adjusting assembly and a lifting assembly, wherein the angle adjusting assembly is installed on the clamping jaw and can enable the main machine to generate pitching angle adjustment relative to the angle steel, and the lifting assembly can enable the clamping jaw to generate approaching and departing actions relative to the angle steel. The hinge axis of the angle adjusting assembly is horizontally arranged and is perpendicular to the length directionof the angle steel. The robot has high obstacle crossing capability and high climbing efficiency, and can synchronously guarantee the action stability and action reliability of climbing operation, sothat the manpower inspection cost can be greatly saved, the maintenance efficiency is improved, and the safe and reliable operation of a power transmission system is guaranteed.
Owner:STATE GRID ANHUI ELECTRIC POWER +1

Desulfurization recovery method of slag iron of blowing-process desulfurizing slag

The invention discloses a desulfurization recovery method of slag iron of blowing-process desulfurizing slag, which comprises the following steps: 1) transporting slag iron obtained from blowing-process desulfurizing slag by magnetic separation to a converter slag field; 2) adding the slag iron to the middle of a slag ladle of the converter for use, wherein 20kg of slag iron is added to every ton of liquid converter steel slag, the size is less than 0.5*0.5m (length*width), the thickness is less than 0.2m, the slag iron is kept dry, and the maximal amount is not greater than 500kg for each ladle; 3) suspending the converter slag ladle with the blowing-process desulfurizing slag slag iron to a converter slag vehicle, and receiving the converter turndown slag by a converter slag pit; 4) pouring the turndown slag into the slag ladle by the converter according to the conventional slag discharge technique; 5) transporting the slag ladle filled with the converter turndown slag to the converter slag field, and standing for 20-40 minutes; 6) treating according to a hot application or hot braising conventional treatment technique for converter carbon steel slag; and 7) after the hot application or hot braising technique is finished, carrying out magnetic separation to recover the slag iron in the steel slag, which is directly used for steel making.
Owner:北京璞域环保科技有限公司

Airborne laser waveform data decomposition algorithm considering adjacent waveform information

ActiveCN102722640AOvercoming the defects that are difficult to choose properlyRobust extractionSpecial data processing applicationsPoint cloudDecomposition
The invention discloses an airborne laser waveform data decomposition method considering adjacent waveform information. The method comprises the following steps of: (A), preprocessing waveform data; (B), detecting the pulse wave crest of the waveform data; (C), extracting a significant pulse crest based on a generalized Gaussian model; (D) extracting a candidate pulse crest considering an adjacent waveform; (E) generating a list of the waveforms to be analyzed based on a regional growth strategy; and (F) outputting a waveform decomposition result. According to the method, a high threshold value and a low threshold value are adopted, so that the defect that a single threshold value is difficult to select properly can be overcome, and weak pulse signals in the waveform data can be considered effectively; during waveform decomposition, the candidate pulse crests of the waveforms to be analyzed are analyzed by continuously utilizing the reliable information provided by the significant pulse crests of the adjacent waveforms in a regional growth way, so the robust extraction of the weak pulse crest information can be realized; and therefore, complete point cloud information is acquired.
Owner:CCCC SECOND HIGHWAY CONSULTANTS CO LTD

Blast furnace water wall production method using vanishing-die forging technique

The invention relates to a method for producing a blast furnace water-cooling wall by using lost foam casting technique. Foam plastics is utilized to make the model of the lost foam of the blast furnace water-cooling wall, meanwhile, after a supporting pillar is welded on a simmered cooling water pipe of the blast furnace water-cooling wall and masking paste is brushed, the cooling water pipe is fixedly installed in the model of the lost foam of the blast furnace water-cooling wall, is treated with joint sealing, finishing, the painting of masking refractory coating, drying and ram-jolt by being arranged in a molding box, and is poured with molten metal with qualified smelting under a negative pressure state; and after cooling, box-opening, trimming and processing are carried out, the blast furnace water-cooling wall product produced by the lost foam casting technique is obtained. The method can be used for the production of the blast furnace water-cooling walls with the materials of gray cast iron, ductile cast iron, low carbon steel, micro-alloying low carbon steel, pure copper and the like, all the performances of the blast furnace water-cooling wall are better than those of the blast furnace water-cooling walls with the same material and casted by san mold, the use amount of the moulding sand can be reduced by 90 to 95 percent, the procedure is simplified, the labor productivity is improved, the working environment of the workers is improved, the labor intensity and operation technical difficulty of the workers are reduced, and the method has good economic and social benefits.
Owner:周传录

Method for realizing modification of carbon nano-tube by using polymer crystallization

The invention relates to a method for realizing decoration of a carbon nano tube through polymer crystallization, in particular to induce polymer crystallization by using supercritical or compressive carbon dioxide as anti-solvent so as to achieve decoration. The method is carried as follows: the polymer prepared under constant temperature is dissolved in organic solvent solution 1; the carbon nano tube is evenly dispersed in the organic solvent under a temperature condition that is higher than the room temperature, so as to obtain a system 2; the ultimate density of the polymer and the carbon nano tube in the organic solvent after mixture is 0.003 to 0.1wt percent and 0.002 to 0.02 wt percent respectively for the mixture solution 1 and the system 2, thereby, a system 3 is obtained upon balance; then the system 3 is moved into a closed reactor and carbon dioxide is added into the reactor till the pressure in the reactor is 5 to 25MPa and be kept for 0.5 to 7 hours, finally the carbon nano tube decorated with the polymer crystallization is obtained after the pressure is reduced to a normal level. The method has simple technique, easy operation, notable effect and being environment protective, therefore, the performance of the carbon nano tube decorated with the polymer crystallization is good.
Owner:ZHENGZHOU UNIV
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