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59results about How to "Achieve the purpose of integration" patented technology

Power transmission line fault reason identification method based on high and low frequency wavelet feature association

The invention discloses a power transmission line fault season identification method based on high and low frequency wavelet feature association, which comprises the steps of extracting fault phase current samples of N failure types, and building a sample database; performing high frequency and low frequency data sampling on a fault type T from the sample database, and respectively performing wavelet decomposition; performing feature extraction on a high frequency data wavelet coefficient and a low frequency data wavelet coefficient; S4, building an association relationship model of the fault type T; determining the association relationship model of the N fault types; S6, performing wavelet decomposition on sample data whose fault reason is to be tested, and extracting a feature vector; substituting the feature vector of the sample whose fault reason is to be tested to the association relationship models of the N fault types, and judging the fault type of the sample data whose fault reason is to be tested. According to the invention, fault phase current is analyzed and processed through combining a wavelet transform theory and an information entropy, thereby not only being capable of effectively analyzing suddenly changed signals, but also being capable of achieving a purpose of information fusion, and improving the identification accuracy.
Owner:CHINA SOUTHERN POWER GRID COMPANY +1

Integrated face frame used for panel television (TV) set and manufacturing method of integrated face frame

The invention discloses an integrated face frame used for a panel television (TV) set, and belongs to the technical field of television manufacturing. The invention further discloses a manufacturing method of manufacturing the integrated face frame. The invention provides the integrated face frame and the method of manufacturing the integrated face frame, wherein the integrated face frame is simple in structure and low in manufacturing difficulty, and deformation of the integrated face frame is easy to control. Each strip-type blank is trimmed according to the unfold size of a rectangular face frame body, screen fixing holes and rear cover fixing holes are formed in each strip-type blank, each strip-type blank is bent to be a blank with L-shaped edges, then the blanks are assembled and welded to form the rectangular face frame body, so that the cross section of each edge of the rectangular face frame body is manufactured to be of an L shape and each L-shaped side face of the rectangular face frame body is provided with the screen fixing holes and the rear cover fixing holes, and the screen fixing holes and the rear cover fixing holes are matched with screen connecting holes and rear cover connecting holes.
Owner:四川长虹技佳精工有限公司

Automatic milling fluttering alarming threshold value setting method based on 3 sigma rule

The invention discloses an automatic milling fluttering alarming threshold value setting method based on the 3 sigma rule. The method comprises the steps that firstly, the state information in the milling process is obtained; secondly, forced vibration frequency filtering is conducted on signals, and fluttering sensitive frequency band filtering is conducted on the signals; thirdly, the obtained signals are subjected to feature extraction, and fluttering identification indexes are selected according to needs and calculated; fourthly, the indexes are subjected to the normal distribution check through the normal distribution ration assuming checking method; fifthly, after the normal distribution check, the threshold value section [mu-3 sigma, mu+3 sigma] is set according to the 3 sigma rule, wherein mu is the average value of the fluttering indexes, and the sigma is the standard deviation of the fluttering indexes; and sixthly, fluttering identification is conducted, and the time when continuous three points of the fluttering identification indexes exceed the threshold value section serves as the fluttering alarming time. The reliability of milling fluttering identification is high, and the misdiagnosis rate and the diagnosis missing rate are reduced.
Owner:XI AN JIAOTONG UNIV

All-terrain vehicle storage battery heat dissipation mounting box

The invention discloses an all-terrain vehicle storage battery heat dissipation mounting box. The all-terrain vehicle storage battery heat dissipation mounting box comprises an outer frame; a heat dissipation plate is fixedly connected between the two sides of the inner wall of the outer frame; the two sides of the top of the heat dissipation plate are fixedly connected with inner frames respectively; the bottom of the inner wall of each inner frame is glidingly connected with a damping apparatus; the top of each damping apparatus is fixedly connected with a buffer plate; the top of each buffer plate is fixedly connected with a storage battery; and fixed apparatuses are fixedly connected between the two sides of the inner walls of the inner frames. The invention relates to the technical field of the all-terrain vehicle. By virtue of the all-terrain vehicle storage battery heat dissipation mounting box, the storage battery can be clamped and fixed conveniently; and in the use process ofthe all-terrain vehicle, collision and damage of the storage battery can be prevented, normal driving of the all-terrain vehicle is ensured, damage of the storage battery due to overheat can be prevented, the normal temperature of the storage battery is maintained, the service life of the storage battery is prolonged, disorder arrangement of electric wires is avoided, the wires can be arranged more tidily, mutual tangling of the electric wires can be avoided, and wiring stability is improved.
Owner:NINGBO CHAORUITE IND & TRADE CO LTD

Panoramic video stitching method based on spatial spherical surface and equipment thereof

The invention aims at providing a panoramic video stitching method based on a spatial spherical surface and equipment thereof. The method is characterized by through mapping each plane image in one frame of video of the video to the spatial spherical surface, acquiring a corresponding spatial spherical surface image; determining at least two groups of characteristic point pairs corresponding to each two adjacent plane images in the one frame of video or the spatial spherical surface image, acquiring positions of the characteristic point pairs in the spatial spherical surface; and based on the positions of the characteristic point pairs mapped to the spatial spherical surface, registering each spatial spherical surface image in the one frame of video on the spatial spherical surface. Distortion which is introduced when the plane image is unfolded into a longitude-latitude plane image is avoided so that a registering result is accurate. Each registered spatial spherical surface image is unfolded into a corresponding longitude-latitude plane image. The longitude-latitude plane images are stitched so as to acquire a panoramic image corresponding to the one frame of video so that all the plane images in the one frame of video of the video can be accurately unfolded so as to stitch into the panoramic image.
Owner:WHALEY TECH CO LTD

Integratable circuit achieving touch capacitor sensing through electric charge sharing

The invention discloses an integratable circuit achieving touch capacitor sensing through electric charge sharing. The integratable circuit comprises an electric charge sharing circuit, a voltage-controlled oscillator, a reference frequency generator, a switch clock generator and a frequency comparator circuit. The electric charge sharing circuit further comprises a sensing capacitor, a touch capacitor, an electric charge sharing capacitor, a charging switch, an electric charge sharing switch and a discharging switch, and electric charges of the charged sensing capacitor are shared with the discharged sharing capacitor so that voltage can be accumulated on the sharing capacitor; the sharing capacitor is designed into the mode that the capacitance value is adjustable so that sensing capacitance values can be generated for different touch applications, and thus the proper sharing capacitance value can be adjusted. The charging switch, the discharging switch and the electric charge sharing switch are controlled through non-overlapping clock rates, the closing time of the charging switch is prolonged, and the closing time of the electric charge sharing switch and the closing time of the discharging switch are reduced to the maximum so that the interference of external environment background noise can be reduced.
Owner:TRITAN TECH INC

Engineering bacteria for producing gamma-aminobutyric acid and construction method and application thereof

The invention discloses engineering bacteria for producing gamma-aminobutyric acid and a construction method and application thereof, and belongs to the technical field of bioengineering. The engineering bacteria are obtained by integrating genes of L-glutamic acid decarboxylase and promoters thereof on chromosomes of host bacteria, and the integration loca are located in gamma-aminobutyric acid transaminase genes. The constructed engineering bacteria are good in heredity stability; the expressed L-glutamic acid decarboxylase is high in activity; excess protein expression, especially antibiotic resistant protein expression does not exist, and safety is high. Meanwhile, gamma-aminobutyric acid transaminase of the degradation product gamma-aminobutyric acid is inactivated in the engineering bacteria, so that decomposition of products is avoided in the production process and the yield of products is improved. The raw materials of the engineering bacteria are L-glutamic acid; the gamma-aminobutyric acid is produced efficiently through a biotransformation method, and the produced gamma-aminobutyric acid has no threat of endotoxin pollution, is safe and reliable and can be used in the field of food and heath care products.
Owner:SUZHOU RENBEN PHARMA

Solar module film laminating and edge pressing device capable of automatically feeding

The invention relates to the technical field of new energy. The invention discloses a solar module film laminating and edge pressing device capable of automatically feeding. A fixed disc is connectedto a top of a base, a feeding device is arranged in the base, a telescopic rod is fixedly connected to a lower portion of a supporting plate, a connecting block is rotatably connected to a lower end of the telescopic rod, a mounting block is movably connected to an internal portion of the connecting block through a first spring, a clamping block is fixedly connected to the mounting block through asecond spring, and a pressing head is arranged in the mounting block. By using the solar module film laminating and edge pressing device capable of automatically feeding, during working, the clampingblock is clamped on a bottom surface of an element, the clamping block and the pressing head carry out contact rotation on the surface of the element, and simultaneously complete film laminating on the surface and edge pressing on the bottom surface so that a purpose of integrating film laminating and edge pressing is achieved. By adopting a rotary edge pressing and film laminating mode, a film and the element are attached more tightly, and problems of edge warping and falling are not easy to occur.
Owner:THE SECOND INSULATING MATERIAL FACTORY OF WENLING

Image tampering blind forensics method based on detection-segmentation architecture

The invention discloses an image tampering blind forensics method based on a detection-segmentation framework, and belongs to the field of deep learning and computer vision. According to the method, the tampering detection problem of an image is solved from the perspective of semantic segmentation, and tampering region detection and region segmentation are carried out by adopting an improved Mask R-CNN network. In a data preprocessing stage, original pictures are subjected to data enhancement, and sample richness is enhanced. In a feature extraction stage, a path from bottom to top is newly added to achieve fusion of multi-level feature information, and sufficient context semantic information is further obtained. In an RPN training stage, Focal Loss is adopted to solve the problem of imbalance between positive and negative samples, so that the network is easier to converge. In a post-processing stage, a Soft-NMS algorithm is adopted to solve the problems of false detection and missing detection caused by overlapping detection frames, and the detection recall rate is improved. According to the method, blind forensics of various tampered (mode) images in a complex scene is realized, and the detection and positioning precision of a tampered area is effectively improved.
Owner:上海舜瞳科技有限公司

Dry and wet integrated desulfurization and denitrification device

PendingCN107008129AStrong desulfurization and denitrification abilityReduced footprintGas treatmentDispersed particle filtrationEmission standardEngineering
The invention discloses a dry and wet integrated desulfurization and denitrification device. The device comprises: a boiler or kiln used as an implementation place of dry desulfurization and denitrification; an absorption tower used as an implementation place of wet desulfurization and denitrification; a dry feeding mechanism communicating with the boiler or kiln and used for adding a removal agent used by the dry desulfurization and denitrification into the boiler or kiln; a wet feeding mechanism communicating with the absorption tower and for adding a removal agent used by the wet desulfurization and denitrification into the absorption tower; and a communicating tube connected between the boiler or kiln and the absorption tower. The device has strong desulfurization and denitrification ability, the desulfurization efficiency reaches 99%, and the denitrification efficiency reaches 95%; the device meets the national ultralow emission standards of boiler or kiln desulfurization and denitrification, and realizes the ultralow emission requirement of national environmental protection; and the device has the advantages of investment saving, fast effect, and saving of a large amount of SCR denitrification catalyst.
Owner:安徽金森源环保工程有限公司
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