51results about How to "Does not affect effectiveness" patented technology

The invention discloses an on-line detection device for open-circuit fault of power tubes of an inverter and a detection method thereof, relates to the field of on-line detection, and solves the problem of low detection speed existing in the conventional detection method and detection device. The detection device consists of three on-line detection circuits for the open-circuit fault of the power tubes; the circuit is used for detecting the open-circuit fault state of two power tubes in a bridge-arm circuit, and consists of a photocoupler circuit for detection, a logic circuit and a rising-edge delay circuit, wherein the rising-edge delay circuit receives a switch signal for time delay to acquire a time-delay switch signal, and sends the time-delay switch signal to the logic circuit; meanwhile, the photocoupler circuit for detection receives the switch signal controlled lower output signal, and transforms the output signal into a logic signal and sends the logic signal to the logic circuit; and logical operation is carried out to obtain the fault state, when the logical operation result is zero, the power unit correspondingly controlled by the switch signal is in a open-circuit fault state, otherwise, the power unit is normal. The invention is applicable to the open-circuit fault diagnosis of the single pipe or bridge arm of the inverter in various controlled motor drive systems and power-supply systems with current-open or close loop.

The present disclosure proposes a block chain-based data processing method, apparatus, storage medium, and electronic device for protecting a private transaction of a block chain node. The method includes: receiving a block in a blockchain network; the block includes a sub-block, the sub-block includes data corresponding to the smart contract code and the smart contract code; and obtaining the private key from the management contract by using a pre-acquired private key a secret key; obtaining a smart contract code in the sub-block according to the secret key, so that the first block chain nodeexecutes the smart contract code; encrypting and writing the data generated by the smart contract code and the block chain node to execute the smart contract code In the block; the sub-block is written into the block of the block chain node.

The invention relates to a power distribution network fault circuit selection method based on transient zero-sequence current time-frequency characteristic vectors, and belongs to the technical field of power system relay protection. When a power distribution network runs into a single-phase earth fault via an arc suppression coil grounding system, a transient zero-sequence current component detected by a measuring end is a nonlinear non-stationary signal formed by different frequency components. By taking the fault component as a study object, time-frequency characteristics of a fault transient current of the fault component are analyzed by utilizing the wavelet packet theory, time-frequency distribution regularities among all feeder lines under different fault conditions are described according to similarity of the time-frequency characteristics, and consequently line selection criteria based on transient zero-sequence current time-frequency characteristics can be obtained. The method is simple in principle, only utilizes short-time window zero-sequence current data of 5ms after the fault, can identify faulty feeders under the conditions of small fault angle and high resistance ground fault, has excellent timeliness and robustness, is free from influence of an arc fault or a resistance ground fault, requires a low sampling rate for hardware, and is highly practical.

The invention discloses a skin-care substrate, a preparation method and the application thereof, a cosmetic and a preparation method thereof, and relates to the technical field of cosmetics. The skin-care substrate comprises the following components: tetrahydromethyl pyrimidinyl carboxylic acid, a thermus thermophilus fermentation product, a buddleja officinalis extract, recombinant human-sourced collagen and water, wherein the weight percents of the tetrahydromethyl pyrimidinyl carboxylic acid, the thermus thermophilus fermentation product, the buddleja officinalis extract and the recombinant human-sourced collagen in the skin-care substrate are not lower than 1%. The problems that most of the conventional anti-aging products are based single antioxidation or single collagen supplement or the like, are not significant in anti-aging effect, and do not have an infrared-resisting effect are solved. By taking the tetrahydromethyl pyrimidinyl carboxylic acid, the thermus thermophilus fermentation product and the buddleja officinalis extract as main functional components in the skin-care substrate, and through synergistic compounding of the recombinant human-sourced collagen, and through a synergistic effect of the components, the skin-care substrate has the infrared-resisting and anti-aging efficacies.

The invention relates to a power distribution network fault line selection method using zero-sequence current full quantity Hough transformation and belongs to the technical field of relay protection of an electrical power system. When a single-phase ground fault of a power distribution network occurs, fault zero-sequence current can be obtained according to three-phase current measured at a protective installing position, zero-sequence current data of each feeder of a 1.5ms short time window is extracted, Hough transformation is conducted, an included angle in the direction of overall changes of an overall change trend at a zero-sequence current full quantity initial phase is formed, relation between the zero-sequence current full quantity initial stage change direction of each feeder and the overall change direction is compared, and power distribution network fault line selection is achieved. By means of the method, noise interference resisting performance of the line selection method can be effectively improved, fault feeders under the condition of small fault angles and high-resistance ground faults can be identified, and fault initial transient data loss can not affect the effectiveness of the line selection method. Simultaneously, the method is good in robustness and is not subject to effects of arc faults, non-linear load influence and the like, requirements for hardware sampling speed are greatly reduced, and good practicality is achieved.

The invention relates to an access control method based on identity and encryption in a naming data network, and belongs to the technical field of future internet architecture. The method concretely comprises the steps that (1) the public key of a content publisher and a user is determined by their identity, and the access authority of the user is directly associated with the identity of the user; (2) the content publisher provides a proxy re-encryption secret key to the user meeting the identity, and the user acts as a proxy server and converts a ciphertext encrypted by the identity public key of the content publisher into the ciphertext encrypted by the identity public key of the user so as to facilitate decryption; and (3) hybrid encryption scheme is adopted so that the content publisher is enabled not to perform multiple times of encryption for each user so that the computational cost of the encryption algorithm can be reduced. The objective of the invention is to provide the method for protecting the content confidentiality for the naming data network so that access control of the encryption content is realized without increasing computational complexity or communication burden and the security of the naming data network can be enhanced.

The invention discloses a tracking control method and system for a wheel type mobile mechanical arm. The tracking control method comprises the steps of 1, giving initial value information and inputting predefined target trajectory information; 2, solving an inverse kinematics problem based on a first zeroed neural network according to the initial value information, the predefined target trajectory information and actual information to obtain a driving signal; 3, controlling the movement of the wheel type mobile mechanical arm according to the driving signal and feeding back actual information; and 4, estimating a jacobian matrix based on a second zeroed neural network and the actual information, and returning to the step 2 to recalculate a driving signal. The tracking control system comprises an initialization module, a driving signal module, a control module and a jacobian matrix module. According to the tracking control method and system for the wheel type mobile mechanical arm, the tracking control of a robot can be realized without knowing the model parameters of the wheel type mobile operation mechanical arm; and the tracking control method and system for the wheel type mobile mechanical arm can be widely applied to the field of mechanical arm control.

The invention discloses reality augment glasses. The reality augment glasses comprise a transparent display module which is used for displaying images, and a light guiding component which is used forreflecting images displayed by the transparent display module to the visual angle range of the eyes of a user wearing the glasses. The glasses do not block the sight of the side of the user, which improves the use safety of the user.

The invention belongs to the technical field of feed additives, and particularly relates to a composite microorganism additive for removing mycotoxin and a preparation method of the composite microorganism additive. Active components of the composite microorganism additive for removing the mycotoxin are made from the following raw materials in parts by weight: 0.5-3 parts of lactobacillus plantarum, 0.5-3 parts of bacillus subtilis, 0.5-3 parts of sodium propionate, 1-3 parts of a fresh ginger extract, 2-4 parts of a proteolytic enzyme, 1-3 parts of plaster, 20-40 parts of mannan oligosaccharide and 55-75 parts of montmorillonite. In the preparation method, the fresh ginger extract is prepared through a special preparation process. The composite microorganism additive for removing the mycotoxin integrates biological degradation, physical adsorption and intestinal tract degradation, and can effectively absorb various mycotoxin, enhance the immunity of organisms and increase the utilization rate of feeds, and the breeding benefits of breeding households are greatly increased.

The invention discloses a traditional Chinese medicinal preparation for treating acute upper respiratory infection and a preparation method of the traditional Chinese medicinal preparation and belongs to the field of traditional Chinese medicines. The traditional Chinese medicinal preparation for treating the acute upper respiratory infection is prepared from extracts of honeysuckle, folium vilicis negundo, evodia lepta, wild chrysanthemum flower, south isatis root and holly root, acetaminophen, chlorpheniramine maleate, caffeine and beta cyclodextrin. The traditional Chinese medicinal preparation for treating the acute upper respiratory infection is based on basic pathogenesis of wind, warmness, heat and toxin, medicines with dispelling, relieving, eliminating and promoting effects are selected and combined for jointly realizing the effects of dispelling wind, relieving symptoms and clearing away heat and toxic materials, and the traditional Chinese medicinal preparation for treating the acute upper respiratory infection is sucrose-free granules and has the advantages of high stability, low dosage of auxiliary materials and wide application range. The preparation method of the traditional Chinese medicinal preparation for treating the acute upper respiratory infection has the advantage that active ingredients in each component of the traditional Chinese medicinal preparation are distinguished, processed and refined; and the preparation method of the traditional Chinese medicinal preparation for treating the acute upper respiratory infection is simple, has a broad market prospect and is applicable to large scale production.

The invention discloses a commercial cash register, a mobile phone, an electronic bill system and a processing method thereof. The commercial cash register comprises an electronic bill storage module, a sending module and a main control module, and the main control module is electrically connected with the electronic bill storage module and the sending module. The mobile phone comprises a display module and an electronic bill receiving device. The electronic bill system comprises the commercial cash register and the mobile phone. The invention further provides a processing method based on the electronic bill system. The commercial cash register, the mobile phone, the electronic bill system and the processing method of the electronic bill system cannot influence operational efficiency of merchants, cannot influence effectiveness of consumption information, enable consumers to process consumption bills conveniently, remove the trouble for preserving paper bills, greatly bring convenience for the consumers to process consumption information bills, and are simultaneously environment-friendly and low-carbon.

The invention discloses a process for preparing a probe for monitoring water quality of a bionic coating containing phospholipid polymers in real time. The process comprises the steps of synthesizing polyquaternium-51 (p-methyl benzaldehyde (PMB)), and then preparing the probe with a PMB antifouling coating for monitoring the water quality. By virtue of the technical scheme provided by the invention, the operation is simple, the cost is low, the organism adhesion of the probe for monitoring the water quality can be effectively inhibited, and the maintaining cost of the probe can be reduced for a water quality monitoring system.

The invention is applicable for the technical field of electronics, and provides a light touch switch type key circuit, which comprises a power supply (Vcc), a resistor (R1) and a resistor (R2). The key circuit further comprises an electronic switch and a light touch switch (K1), wherein the light touch switch (K1) is connected with an input end of the electronic switch; after the resistor (R1) and the resistor (R2) are connected in series, one end of the resistor (R1) and one end of the resistor (R2) are connected with the power supply (Vcc), while the other ends are connected with an output end of the electronic switch; the light touch switch (K1) is used for controlling the on-off of the electronic switch through the on-off of the light touch switch (K1); and the electronic switch is used for outputting a control signal. Through the technical scheme in the invention, a light touch switch type key still can be normally used if insulation resistance thereof is decreased much or contact resistance is increased much, so that the working reliability of equipment is greatly improved, the degree of satisfaction of users is improved, after-sales complaints about the failure of the key are greatly reduced, and the maintenance cost is saved.

The invention discloses an in-situ soil remediation device utilizing solar energy and a construction method for the same. The device is spliced by multiple separate assembly units; the part, close to the ground, of the whole device is black; each separate assembly unit comprises enclosed inflation cavities; each inflation cavity is in anchoring connection with the ground; the bottom of each inflation cavity is connected with a black plastic cloth which is laid on the ground and is provided with a grid opening; and the top of each inflation cavity is connected with a transparent plastic cloth which is laid on the ground and is provided with a grind opening. The in-situ soil remediation device can absorb solar energy to the greatest extent, and can heat air in the device. Based on a flue effect in the construction and the Bernoulli's effect formed by horizontal air streams on the top end of the construction, upward air streams are formed in the construction, and upward air streams in shallow soil are driven, so that alternate nonequilibrium state transportation of organic pollutants in the soil is caused, and diffusion of the organic pollutants to soil air is caused; and the solar energy and barometric pressure energy are fully utilized, so that the pollutants in the soil and shallow underground water are effectively removed.

The invention discloses a traditional Chinese medicine preparation for treating acute upper respiratory tract infection and a production method of the traditional Chinese medicine preparation, and belongs to the technical field of traditional Chinese medicines. The traditional Chinese medicine preparation consists of a honeysuckle flower extract, aqueous extracts of weeping forsythia capsule and baikal skullcap root, and beta cyclodextrin; and the traditional Chinese medicine preparation comprises the following components in parts by weight: 460-540 parts of honeysuckle flower, 460-540 parts of weeping forsythia capsule, 140-185 parts of baikal skullcap root and 30-80 parts of beta cyclodextrin. The traditional Chinese medicine preparation disclosed by the invention is high in medicine stability, less in auxiliary material dosage and wide in application range; by adopting the production method disclosed by the invention, effective components in each medicinal material in the preparation are subjected to distinguished treatment and are refined; and moreover, the production method is simple, has wide market prospects, and is suitable for large-scale production.

The invention discloses a variable doping structure of a transmission-type photoelectric cathode material for enhancing thermal stability. An AlGaAs corrosion barrier layer, a GaAs zinc heavy doping layer, a GaAs zinc light doping layer, a GaAs carbon gradient doping layer, a GaAs spacer layer and an AlGaAs window layer are arranged sequentially upwards on a GaAs100 substrate material layer. The variable doping structure of the transmission-type photoelectric cathode material for enhancing the thermal stability has the advantages of: enhancing short wave response of a transmission-type GaAs or InGaAs photoelectric cathode and improving the thermal stability during the photoelectric cathode technical process as the carbon doping and variable doping technologies are adopted; reducing a caesiated exhaustion region and increasing an escaping probability of photon-generated carriers as the variable doping comprehensively adopts zinc and carbon doping, and a caesiated surface adopts the zinc heavy doping; reducing a recombination rate of minority carriers of the interface as the interface of the window layer adopts the carbon light doping; and optimizing a high-performance photoelectric cathode as the carbon variable doping is adopted between an interface of the window layer and the zinc heavy doping layer to form a built-in electric field with good thermal stability.

The invention provides an extension circuit board. The extension circuit board includes first output interfaces, first input interfaces, second output interfaces, second input interfaces, first power supply interfaces and second power supply interfaces; the first output interfaces are in one-to-one correspondence with the first input interfaces; first NOT gate circuits are arranged between the first output interfaces and the first input interfaces and are used for filtering and amplifying signals outputted by the first output interfaces; the second output interfaces are in one-to-one correspondence with the second input interfaces; second NOT gate circuits are arranged between the second output interfaces and the second input interfaces and are used for filtering and amplifying signals outputted by the second input interfaces; the first power supply interfaces are in one-to-one correspondence with the second power supply interfaces; and grounding capacitors are arranged between the second output interfaces and the second input interfaces. With the extension circuit board provided by the technical scheme of the invention adopted, it can be ensured that backplane interfaces of a cabinet can extend to the exterior of the cabinet and then are in insertion connection with a CPU circuit board, and therefore, the CPU circuit board can be exposed at the exterior of the cabinet, and programming and parameter acquisition can be facilitated.

The invention discloses a virtual machine co-residency detection method based on response time sequence data analysis. The method comprises the following steps of 1), performing real-time acquisition of a response time sequence of a target virtual machine based on an ON-OFF interference injection mechanism, and then respectively extracting response time sequences of the target virtual machine in an interference condition and a normal condition; 2), processing abnormal values in acquired data; 3), calculating a co-residency probability; and 4), determining a detection result. According to the method of the invention, according to a characteristic of sharing a multi-tenancy resource of a cloud computing platform, the service response time sequences of the target virtual machine in the normal condition and the interference condition are acquired; through defining deviation degree between cloud models, the co-residency between a detecting virtual machine and the target virtual machine is calculated, thereby quantitatively describing the co-residency possibility between the detecting virtual machine and the target virtual machine. The virtual machine co-residency detection method ensures high accuracy and high reliability of a co-residency detection result and furthermore has high adaptability and high practical value.

The invention discloses a deep medical image clustering method based on multi-scale structure learning, and the method comprises the steps: combining the representation learning of image data with the global multi-scale structure learning between images; the deep medical image clustering method capable of performing multi-scale structure learning is jointly constructed by a convolutional neural network, an auto-encoder and an image convolutional network, so that the performance of deep image clustering is improved. According to the method, instance-level contrast learning, global clustering structure learning and multi-scale neighborhood structure learning are used for constructing a unified depth image clustering framework for the first time, and neighborhood structure information between images under different scales and representation information of image data are cooperatively learned and updated; the robustness and confidence of the feature information are effectively improved, and the defect that only single-scale neighborhood structure information is used in the prior art is overcome.

The invention discloses a knitted sweater spraying device. The technology processes sequentially comprise a knitted grey cloth mounting frame, a knitted gray cloth mounting frame stacking cylinder, aknitted gray cloth mounting frame stacking cylinder conveying device, a knitted gray cloth mounting frame lifting device, a knitted gray cloth mounting frame push-out device, a knitted gray cloth mounting frame reversing device, a knitted gray cloth mounting frame conveying device and a spraying bin. The knitted sweater spraying device has the advantages that the spraying uniformity is good, the fabric shrinkage caused by difficulty in tension control is reduced, the polluted probability of the fabric during feeding of the fabric is reduced, the processing line is short, and double-sided simultaneous feeding can be met.

Embodiments of the invention provide an energy data processing method and device, and a storage medium. The method comprises the steps of encrypting an energy data set of multiple target devices acquired from a data center, and generating a task allocation strategy corresponding to the energy data set; according to a task allocation strategy, respectively sending energy data in the energy data set to a plurality of block chain nodes, so that each block chain node respectively adds the received energy data into a block chain system; sending a second message to each block chain node according to the received first message, and after receiving a confirmation message returned based on the second message from each block chain node, performing carbon emission data calculation on the energy data of the to-be-carbon transaction device to obtain target carbon emission data; and if the target carbon emission data is higher than the preset emission amount, generating a carbon emission bill and sending the carbon emission bill to the carbon transaction waiting device. According to the scheme, repeated calculation of the carbon emission data can be avoided, and then the validity of energy station carbon emission data authentication is improved.

The invention belongs to the field of aviation aircraft design, and relates to a method for correcting a height error of a static pressure source of a medium-sized aircraft. Specifically, through a testing flight speed and an optimized atmospheric engine resolving method, the position error of the static pressure source is corrected, and the accuracy of the indication speed and height of an aircraft atmospheric data system is improved. The method is simple and fast, saves the cost of traditional tests, and is suitable for four-engine propeller type medium and large airplanes, transporters andrelated platform airplanes.

The invention provides a method for applying point coding technology to product information management. The method comprises the following processing steps: coding product management information through the point coding technology, and manufacturing a point coding information tag; when information management is needed for the product, reading the point coding information tag of the product through point coding identification equipment; carrying out preset operation on read product information. Compared with the prior art, the method has the advantages that the product identification of a product management system based on the point coding technology is difficult to copy, so that the use management effect is greatly improved; the effectiveness of the whole system cannot be influenced even if the product identification of the product management system based on the point coding technology is partially or maliciously damaged; the point coding information tag is effectively overlapped with the lag of the existing product management system, so that the efficiency of the system is greatly improved after the existing system is updated to add a point coding identification recognition function; a point coding recognition monitoring means is added; the existing monitoring means is simplified.

The present disclosure proposes a blockchain-based data processing method, device, storage medium, and electronic equipment to protect private transactions of blockchain nodes. The method includes: receiving a block in the blockchain network; the block includes sub-blocks, and the sub-blocks include smart contract codes and data corresponding to the smart contract codes; and obtain from the digital envelope of the management contract through the pre-acquired private key secret key; obtain the smart contract code in the sub-block according to the secret key, so that the first blockchain node executes the smart contract code; encrypt and write the smart contract code and the data generated by the smart contract code executed by the first blockchain node into the sub-block; write the sub-block into the block of the first blockchain node.

The invention discloses a sorting method, which includes: clustering the pictures similar to the retrieved face pictures retrieved from the database to obtain a plurality of clusters; obtaining the retrieved face pictures and each cluster The face similarity score between clusters; according to the face similarity score, sort the retrieved pictures of multiple clusters to get the sorting result. The present invention greatly improves the intelligibility of the retrieval results without affecting the validity of the retrieval results, and prevents users from subjectively rejecting the retrieval results as much as possible.

The invention discloses a compound lining production assembly line of a functional jacket. The assembly line sequentially comprises a knitted fabric mounting frame, a spraying cabin, a knitted sprayedcloth mounting frame conveying device and a knitted sprayed cloth compound device successively according to sequences of process flows; the knitted fabric mounting frame is used for mounting a knitted fabric therein; the spraying cabin is used for spraying the knitted fabric in the knitted fabric mounting frame; and the knitted sprayed cloth mounting frame conveying device is used for conveying the sprayed knitted fabric mounting frame to the knitted sprayed cloth compound device, and the knitted sprayed cloth compound device is used for compounding and finishing the sprayed knitted fabric. The assembly line has the advantages of being good in spraying uniformity, reducing shell fabric shrinkage caused by difficulty in controlling tension and being capable of feeding the fabric on two sides at the same time.

The invention relates to a power distribution network fault circuit selection method based on transient zero-sequence current time-frequency characteristic vectors, and belongs to the technical field of power system relay protection. When a power distribution network runs into a single-phase earth fault via an arc suppression coil grounding system, a transient zero-sequence current component detected by a measuring end is a nonlinear non-stationary signal formed by different frequency components. By taking the fault component as a study object, time-frequency characteristics of a fault transient current of the fault component are analyzed by utilizing the wavelet packet theory, time-frequency distribution regularities among all feeder lines under different fault conditions are described according to similarity of the time-frequency characteristics, and consequently line selection criteria based on transient zero-sequence current time-frequency characteristics can be obtained. The method is simple in principle, only utilizes short-time window zero-sequence current data of 5ms after the fault, can identify faulty feeders under the conditions of small fault angle and high resistance ground fault, has excellent timeliness and robustness, is free from influence of an arc fault or a resistance ground fault, requires a low sampling rate for hardware, and is highly practical.