295results about How to "Cannot restrict disclosure" patented technology

The invention provides an information display method and an information pushing method, device and system, and relates to the field of the Internet. The method comprises the steps that a terminal sends bound bank card information to a server; the terminal transmits a geographic position to the server; the terminal receives merchant service information pushed by the server, wherein the merchant service information is matched with the geographic position; the terminal displays the merchant service information. The method solves a problem in the related technologies that a user just can obtain the merchant service information through actively visiting an official website of a merchant or an official Weibo, and achieves an effect that the server can actively push the merchant service information to the terminal, thereby enabling the user to be able to obtain the merchant service information without visiting.

The invention discloses a lens surface defect detection method and system based on machine vision, a product and a terminal, and relates to the technical field of digital image processing. Two area array light sources are placed at a certain angle, the light sources irradiate the surface of the lens, residual light of the light sources is used for defect detection, so that the defects such as pocks, fingerprints and scratches are highlighted, and the defects are located at the light and shade junction of the light sources; the lens is conveyed on the transmission structure, and when the lens reaches the position below the camera, the camera starts to acquire images and transmits image information to the industrial personal computer in real time, so that rapid online detection of lens defects is realized; and algorithm processing is performed on the acquired image, the characteristics of the defects are highlighted, the defects are classified by utilizing the characteristics of the defects, and finally a detection result is obtained. The mode that the two area array light sources emit light to the two sides is adopted, residual light of the light sources is used for detecting the defects of the lens, the showing force on the defects on the surface of the lens can be enhanced, and a high-quality defect image is obtained.

The invention discloses an unmanned aerial vehicle virtual air combat entertainment system. According to the entertainment system, a targeting gun and a camera are carried on an electric holder of anunmanned aerial vehicle; a player can control the electric holder to move relative to the unmanned aerial vehicle through a wireless remote controller to perform aiming adjustment of the targeting gun; an object shot by the targeting gun is the virtual unmanned aerial vehicle projected onto a projection curtain through a laser holographic projector; during game playing, the camera sends an acquired image to an aiming display, the player determines an aiming state by observing image information displayed in the aiming display and controls the targeting gun to perform shooting through the wireless remote controller; and after bullets are shot onto the projection curtain, a pressure sensor in the projection curtain detects corresponding pressure values and sends the pressure values to a maincontroller, and the main controller controls a loudspeaker box to play corresponding music according to the received pressure values. The unmanned aerial vehicle virtual air combat entertainment system has the advantages of being simple in structure, reasonable in design, convenient to operate, good in entertainment and the like.

The invention discloses an engine cylinder surface defect detection method and system based on machine vision, and relates to the technical field of image processing and AI algorithms. A mechanical arm carries a camera light source to be arranged at different poses through rotation, and defect detection is carried out on the surface of the cylinder body; a camera is matched with a light source of an endoscope lens to shoot a smooth cylinder hole of a part, and an industrial camera is matched with the light source to shoot a machining surface through a photometric stereo method, so that air holes, sand holes and gouges are highlighted; and the defects of the picture are classified by using an AI algorithm, the types of the defects are judged, and the defects of different forms, different types and different positions are detected. According to the invention, manpower can be saved, labor intensity is reduced, maintenance cost is reduced, and shooting precision and detection speed are improved; for defects of different forms, different types and different positions, the detection effect can reach 99.95%, and it is indicated that the method is suitable for engine cylinder surface defect detection.

The invention belongs to the technical field of airplane surface ice accretion detection, and discloses an airplane surface ice accretion evolution state identification method and system. The airplane surface ice accretion evolution state identification method comprises the following steps: collecting historical airplane surface historical ice accretion meteorological factor data and ice accretion evolution microscopic information, constructing Hankle form state space expressions of airplane key part ice accretion in the past and future for airplane surface ice accretion, obtaining an observable matrix and judging generalized observability of the observable matrix; carrying out oblique projection on the state space expressions, eliminating external non-meteorological variables and future ice accretion microscopic information noise influences, and obtaining a state estimation sequence; in combination with the state estimation sequence and the observable matrix, obtaining a system matrix of a spatial model through least square, obtaining an evolution state identification model of airplane surface ice accretion, and predicting airplane ice accretion evolution state information. The invention has the advantages of being fast in response, being able to change along with the environment, easy to implement and the like, and has good application prospects.

The application provides a pedal, a riding device and a data generation method and relates to the field of intelligent domestic appliance. The pedal includes a pedal main body, a detection assembly which is arranged in the pedal main body and is intended for detecting a rotation signal of the pedal main body, wherein the rotation signal is generated when the pedal main body rotates; a processing chip which is arranged inside the pedal main body and is electrically connected to the detection assembly and is intended for generating riding data on the basis of the rotation signal. The pedal addresses the complexity in the process of data acquisition caused by the need of an extra wearable device for acquiring data and achieves the direct acquisition of riding data by the pedal and obviates the need for the aid of an extra device. The pedal optimizes the data acquisition method, and increases the utilization of pedals.

The invention discloses a preparation method of a flaky hydroxyapatite carrier and a preparation method of a supported nano-silver catalyst. The preparation method of the flaky hydroxyapatite carriercomprises the following steps: preparing the flaky hydroxyapatite (HAP) carrier in one step by an in-situ growth method through using a hydrothermal reaction, and accurately controlling the HAP flakesize and thickness by adding citric acid and matching with a proper reaction temperature in order to prepare the hydroxyapatite carrier with a stable structure. The preparation method of the carrier is simple in process and low in raw material price and can be used for large-scale production. In the preparation method of the supported nano-silver catalyst, the supported nano-silver catalyst is prepared by an impregnation method through taking hydroxyapatite with a two-dimensional flake structure as the carrier, and the dispersity and the thermal stability of active component Ag nano-particlesare remarkably improved by virtue of the confinement effect of the hydroxyapatite carrier and the protection effect of hydroxyl groups on the surface of the carrier on the silver (Ag) nano-particles.

The invention discloses an ice accretion detection method and system based on temperature sequence similarity measurement, a terminal and application, and relates to the technical field of wing ice accretion detection. The method comprises the steps: collecting a wing surface temperature change sequence with the ice accumulation phenomenon, and obtaining a wing temperature change rate sequence; calculating the distance D1 between the wing surface temperature change sequence and the standard temperature change sequence when the wing surface is iced under the current meteorological condition and the distance D2 between the wing temperature change rate sequence and the standard temperature change rate sequence when the wing surface is iced through a dynamic time warping method; processing the distance D1 and the distance D2 according to an icing model to obtain an icing detection result, and giving an alarm in time when icing occurs. The ice accretion detection method provided by the invention has the advantages of fast response, strong anti-interference capability, easy implementation and the like; in combination with a non-contact infrared temperature sensor, non-contact ice accumulation detection can be achieved, the aerodynamic configuration of the wing is prevented from being affected, and the application prospect is good.

The invention belongs to the technical field of anchoring and supporting of underground engineering such as tunnels, and discloses an expansion shell type yielding anchor cable and a construction method thereof. A variable-section yielding anchor cable is fixedly mounted at the upper end of an expansion shell anchoring part, and an anchorage device is fixedly mounted at the lower end of the expansion shell anchoring part; a hollow metal pipe is arranged in the middle of an anchor cable body, and the hollow metal pipe is wrapped with a high-strength conical pipe; and the outer side of the anchor cable body is wrapped with a variable-section threaded sleeve through a binder. The expansion shell type yielding anchor cable is mainly applied to anchoring and supporting of water-rich tunnels, especially high-stress large-deformation water-rich underground engineering, and the variable-section yielding anchor cable, the expansion shell anchoring part, the anchorage device and a base plate form an anchoring technology integrating rapid anchoring, yielding supporting and grouting protection; and surrounding rock is rapidly supported through the biting force formed by the expanded expansion shell anchoring part and the hole wall surrounding rock, the deformation capacity of the anchor cable is improved through the yielding function of the variable-section yielding anchor cable, and post-grouting protection is achieved through the hollow metal pipe arranged in the variable-section anchor cable.

The invention discloses a self-weight fitness auxiliary coach system, method and terminal based on human body posture recognition, and relates to the technical field of fitness training information processing. The method comprises the steps: employing a camera for capturing and recording actions of the body builder; during fitness training, detecting the actions of a body builder from the exercise frame sequence; identifying the motion category of the body builder by extracting the motion amplitude and joint angle features of the body building motion; and carrying out labeling and data processing on the exercise standard of the exercise category of the body builder. The body builder is assisted in training so as to get rid of the state that household self-weight body building only depends on experience, convenient and professional body building guidance is brought to the body builder, unnecessary exercise injuries are avoided, and the body building efficiency is improved. According to the invention, a training method based on visual observation in traditional fitness is taken into account, and an analysis method based on human body motion characteristics is realized. The invention of the self-weight fitness auxiliary coach system has important scientific research value and potential huge commercial value.

The invention discloses a fault diagnosis and early warning method based on multi-source data fusion and a convolutional twin neural network, and the method comprises the steps: constructing a data dictionary for various types of data in the collected vibration information of a power transformer, the concentration information of gas dissolved in oil, the infrared information of the power transformer, the voltage information and the current information; standardized integration is carried out on the collected data, data information is extracted through double-space features, fault identification and classification of the power transformer are realized by using the convolutional twin neural network, and the fault diagnosis efficiency can be improved.

The invention discloses a method for evaluating the cold resistance of rice in the seedling stage based on principal component analysis, and the method comprises the steps: adopting a principal component analysis method to comprehensively evaluate the cold resistance of rice germplasm resources in the seedling stage, wherein the correlation analysis results show that six physiological indexes and morphological indexes have negative correlation; converting seven measured single indexes into three independent comprehensive indexes through principal component analysis, wherein the cumulative contribution rate reaches 84.76%; according to the comprehensive index D value, dividing germplasm resources into five types, and screening out the four varieties with extremely high comprehensive cold resistance in the seedling stage in total; wherein the principal component and regression combined analysis results show that the seven indexes can be used as important indexes for identifying the seedling-stage cold resistance of the rice germplasm resources. The method disclosed by the invention has guiding significance for seedling-stage cold-resistant rice variety cultivation.

The invention discloses an intelligent household moxibustion robot. The intelligent household moxibustion robot is mainly composed of a base, an intelligent mechanical arm, a moxibustion operation executing mechanism, a moxibustion auxiliary box feeding mechanism, a moxibustion auxiliary box, a controller and a smoke exhaust system, wherein the base is used for overall supporting, the moxibustionoperation executing mechanism is connected with the intelligent mechanical arm and used for clamping, rotating and other operations of a moxibustion stick; the moxibustion auxiliary box feeding mechanism is connected with the intelligent mechanical arm and the moxibustion auxiliary box; under the driving of the moxibustion auxiliary box feeding mechanism, the moxibustion auxiliary box can achieveposition adjustment and is matched with the moxibustion operation executing mechanism to complete moxibustion, ash removal and other operations; the controller collects signals of the intelligent mechanical arm, a distance sensor and a visual sensor and controls the intelligent mechanical arm to be matched with the moxibustion auxiliary box so as to keep the consistency with a traditional handheldmoxibustion technology; the characteristics of traditional Chinese medicine moxibustion stick moxibustion are reproduced; and the problem that an existing robot scheme cannot retain the characteristics of traditional Chinese medicine moxibustion stick moxibustion is well solved.

The invention discloses a topsoil substitute material based on opencast coal mine overburden materials and a preparation method of the topsoil substitute material based on opencast coal mine overburden materials. The topsoil substitute material based on opencast coal mine overburden materials consists of the following components in parts by weight of 10-30 parts of subsoil, 10-30 parts of underlying soil, 20-40 parts of mudstone, 10-30 parts of charcoal mudstone, 10-30 parts of fine sand, 2-5 parts of organic fertilizers, 0.5-1 part of corn straw and 0.5-1 part of a water retaining agent, andis prepared in a mixing form. The components of the topsoil substitute material are easy to obtain and low in cost, so that the topsoil substitute material is suitable for popularization and use.

The invention discloses a preparation method of a surface-modified porous polyether-ether-ketone artificial bone, which comprises the following steps: establishing discrete points of a three-dimensional topological structure by adopting a three-period minimal curved surface method, carrying out reverse modeling by utilizing the discrete points to generate an artificial bone model, and preparing the porous polyether-ether-ketone artificial bone by adopting an additive manufacturing method according to the artificial bone model; converting carbonyl in a polyether-ether-ketone molecular structure on the surface of the artificial bone into hydroxyl by utilizing a chemical reaction, and respectively reacting high-activity isocyanate serving as an intermediate with the hydroxyl on the surface of polyether-ether-ketone and an amino-containing compound to obtain the surface-modified polyether-ether-ketone artificial bone. The surface-modified porous polyether-ether-ketone artificial bone prepared by the technical scheme of the invention not only has a gradient continuous change pore structure, but also can promote division and growth of cells by introducing enough bioactive substances on the surface, and improves the adhesion ability of cells on the surface of the bone.

The invention discloses a post-healing rehabilitation auxiliary detection system and method based on a three-dimensional human skeleton model and a medium, and relates to the technical field of computer vision. The method comprises the following steps: utilizing and deploying a classic OpenPose neural network in Raspberry Pi, and obtaining two-dimensional coordinate points of a plurality of joint points in real time; converting two-dimensional coordinates into three-dimensional coordinates by using a pinhole camera model, and establishing a three-dimensional human skeleton model; calculating skeleton spacing and skeleton angles in the three-dimensional human skeleton model, and inputting the skeleton spacing and the skeleton angles into a trained random forest model; recognizing real-time postures of a user in real time by using a socket; and displaying the real-time postures in an APP, and detecting and judging health conditions of the user. According to the invention, eight-element data including seven skeleton angles and one posture label is used as a training set to train a random forest classification model, and the recognition accuracy rate reaches 88.8%.

The invention discloses a twisted nano strip-shaped Co-Fe-B catalyst as well as a preparation method and application thereof; the chemical formula of the catalyst is CoxFeyB, wherein the ratio of y tox is more than 0 and less than 1; the appearance of the catalyst is of a twisted strip-shaped structure, the surface of the catalyst is composed of nano microspheres, and the particle size of the nano microspheres is 50-200 nm; the catalyst adopts a chemical reduction process; the preparation process is simple, the reaction is rapid, the operation is easy, the investment cost is low, any high-temperature and high-pressure process is not involved, the prepared CoxFeyB nano material avoids the defects that a traditional powder material is easy to agglomerate and difficult to recycle and reuse,has the advantages of high stability and the like, and can be used for catalytic hydrolysis of sodium borohydride to produce hydrogen.

The invention discloses a quality detection method for jujube kernel Anshen liquid. The detection method adopts high performance liquid chromatography to measure the content of spinosin in the jujubekernel, the content of salvianolic acid B in radix salviae miltiorrhizae and the content of schisandrin in the fruit of Chinese magnoliavine in the jujube kernel Anshen liquid, the quality of the jujube kernel Anshen liquid can be comprehensively evaluated and controlled, so that a comprehensive and reliable basis is provided for the internal quality detection of the jujube kernel Anshen liquid, and the stability of product quality as well as the safety and the effectiveness of clinical medication can be guaranteed.

The invention discloses a precision control method for a container ship binding system without a real ship box test. According to the method, after precision control production of hatch covers, a hatch coamings and lashing bridges according to the design drawing, the theoretical distance between box feet in the hatch covers and the lashing hole plates in the corresponding lashing bridges is compared with the measuring distance, actual allowance values of the lashing pieces in the real ship are obtained through calculation, and the actual allowance values of the lashing pieces are controlled tobe always larger than the allowable minimum allowance values, so that positions of all the lashing hole plates on the ship meet the requirements, the interference among the adjacent lashing pieces isavoided, and then the real ship lashing test can be effectively avoided, the shipbuilding cost can be reduced, and the shipbuilding period can be shortened.

The invention discloses water-borne epoxy resin for an anticorrosive coating, application and a preparation method of the water-borne epoxy resin; according to the preparation method, the self-emulsifying function of the epoxy resin is achieved by introducing a highly hydrophilic polyethylene glycol branched chain to a molecular chain of the epoxy resin; meanwhile, due to the fact that the molecular chain segment is short, under the action of polyethylene glycol, the solid content can be up to 66.7%. Besides, no extra alcohol-soluble solvent or other high-boiling-point organic solvents are needed in the preparation process of the water-based emulsion, the production process and the product use process are very environment-friendly, and the water-based epoxy resin can be mixed with a water-based ammonia curing agent to be cured into a film for corrosion prevention.