189results about How to "The right size" patented technology

The invention provides a virtual fitting method and a virtual fitting system. The virtual fitting method comprises the first step of obtaining a human body image of a fitting person through a deep camera, the second step of determining human body size information of the fitting person according to the human body image, the third step of establishing a human body three-dimensional model of the fitting person according to the human body size information, the fourth step of obtaining a three-dimensional model of a selected garment to be tried on, the fifth step of fusing the human body three-dimensional model of the fitting person with the three-dimensional model of the garment to be tried on to obtain a three-dimensional fitting image, and the sixth step of displaying the three-dimensional fitting image through a display unit. By the adoption of the virtual fitting method, the human body three-dimensional model can be established conveniently through the human body image obtained through the deep camera, the human body three-dimensional model and the three-dimensional model of the garment to be tried on are fused, and then the three-dimensional fitting effect can be seen visually.

The invention discloses a face detection method and system based on the flexible convolution network. The method comprises steps that an input image is received, and the image includes the to-be-detected face information; features of the image are extracted through the main network, and the features include semantic features and offset features; the semantic features and the offset features of theimage are respectively outputted through flexible convolution; according to the semantic features of the image, the face containing probability of an anchor box is outputted through the classification sub network; according to the semantic features of the image, the overlapping degree IOU between each prediction frame and a face is outputted through an IOU prediction branch; according to the offset features of the image, the face size and the position corresponding to each prediction frame are outputted through the position regression sub network. The method is advantaged in that the face inthe image can be accurately predicted.

The invention discloses a multi-sensor data fusion obstacle detection method for a power line inspection unmanned aerial vehicle, which comprises a multi-sensor combined detection device connected with a flight controller in an unmanned aerial vehicle system, wherein the multi-sensor combined detection device comprises millimeter wave radar, a binocular vision sensor, an electromagnetic field sensor, an infrared sensor, a differential GPS and a data fusion processor, the millimeter wave radar, the binocular vision sensor, the electromagnetic field sensor, the infrared sensor and the differential GPS are connected with the data fusion processor, and fusion processing is performed on data collected by the sensors through the data fusion processor so as to obtain the accurate obstacle position, orientation and type and perform effective obstacle avoidance, thereby being capable of preventing an unmanned aerial vehicle from colliding with transmission lines and towers in operation and detecting obstacles such as hills, trees and buildings in the environment around the transmission lines so as to avoid property losses or casualties.

The invention provides a landing fixing device for an unmanned aerial vehicle and a fixing method for the landing fixing device. The landing fixing device for the unmanned aerial vehicle comprises a landing table (1) used for carrying the landing unmanned aerial vehicle and a fixing device body (2) arranged on the unmanned aerial vehicle. The fixing device body (2) comprises a sensor (3), an excitation device (4) and an electromagnet core (5). The sensor (3) detects that the unmanned aerial vehicle is in a landing state and sends a landing signal to the excitation device (4), and the excitation device (4) connected with the sensor (3) conducts excitation on the electromagnet core (5) on the basis of the landing signal, so that the unmanned aerial vehicle is attracted to the landing table (1) through the electromagnet core (5).

The embodiment of the present invention discloses a method for measuring unbalance of a spindle in measurement of dynamic balance of a tire, which comprises the following steps: carrying out first measurement of the dynamic balance of the tire and calculating to obtain an equivalent unbalanced force vector of the first measurement; rotating the tire connected with the spindle for a certain angle while ensuring that the spindle is fixed, carrying out second measurement of the dynamic balance of the tire, and calculating to obtain an equivalent unbalanced force vector of the second measurement,calculating to obtain an equivalent unbalanced force vector of the spindle according to the equivalent unbalanced force vector of the first measurement and the equivalent unbalanced force vector of the second measurement; and calculating to obtain the unbalance of the spindle and determine the part of the spindle with the unbalance according to dynamic balance conditions and the equivalent unbalanced force vector of the spindle. The embodiment of the present invention also discloses a tire balancing machine. By adopting the method and the tire balancing machine, measurement errors resulting from the unbalance of the spindle can be eliminated by the testing personnel during the dynamic balance of the tire, and more accurate tire unbalance of the tire can be obtained.

The invention discloses a medical and chemical crushing and stirring machine applicable to processing of paste. The crushing and stirring machine comprises a liquid outlet, a stirring box, stirring blades, a liquid inlet pipe, a gauge, a first center shaft, a filter net, a feeding port, a stirring motor, a residue discharging pipe, a second center shaft, a crushing box, a base plate, grinding balls, a lifting device and a base, wherein the stirring box and the crushing box are connected through the residue discharging pipe in the middle, the first center shaft connected with the stirring motor in a support at the top of the stirring box is arranged in the stirring box, the stirring blades are arranged at the bottom of the first center shaft, the feeding port, the liquid inlet pipe and the liquid outlet are also arranged on the stirring box, the second center shaft connected with a crushing motor in a support at the top of the crushing box is arranged in the crushing box, and the bottom of the second center shaft is connected with the base plate. The crushing and stirring machine is reasonable in design, convenient to use, capable of filtering, grinding and crushing larger particles of medicines and chemical raw materials and particularly applicable to production of pasty medicines and chemical raw materials.

The invention provides a method and a device for detecting a lane line and belongs to the technical field of image processing. The method comprises the steps of obtaining an image in front of a vehicle; performing edge detecting on the image in front of the vehicle to obtain an edge image; determining the detecting region of the initial lane line in the edge image according to the position of the lane line obtained in the front frame; dividing the detecting region of the initial lane line into N small detecting regions, wherein N is larger than or equal to 2; determining a certain small detecting region as the precise detecting region of the lane line according to the edge image numerical number of each small detecting region and the total quantity of pixels of each small detecting region; obtaining the lane line of the current frame from the precise detecting region of the lane line. The method and device for detecting the lane line are simple and the detected lane lines are more accurate.

The invention relates to a method for estimating additive fault size of an executing agency of a satellite attitude control system through a second order Kalman filtering algorithm. The method for estimating the additive fault size of the executing agency of the satellite attitude control system through the second order Kalman filtering algorithm is achieved through the flowing steps of firstly, establishing a discrete control system model according to a kinetic equation and a kinematical equation; secondly, performing calibration on noise vectors wk and vk of the discrete control system model in an actual operational process; thirdly, establishing a discrete control system mathematical model which contains executing agency additive faults; fourthly, measuring a white noise vector wk<f> in the output torque of the executing agency; and fifth, estimating the additive fault sizes of the executing agency through the second order Kalman filtering algorithm. The method for estimating the additive fault size of the executing agency of the satellite attitude control system through the second order Kalman filtering algorithm can be applied to a spacecraft attitude control field and aims at solving the problem that the size of a flywheel generated fault cannot be really reflected in modeling through a Kalman filtering algorithm in the existing satellite attitude control system.

The invention belongs to the image segmentation technology field and particularly relates to an automatic fetus median sagittal plane detection method based on a depth belief network and a three-dimensional model. The method mainly comprises three steps that, a center tangent plane of a three-dimensional data is automatically searched through the depth belief network (DBN) to acquire an image block including a head, the size and the position of the head can be positioned in the image block through utilizing direction Kirsch edge detection and Hough transform, the characteristic that the head is symmetric to the median sagittal plane is utilized, a plane detection problem is converted into a two-dimensional symmetry detection problem through the three-dimensional model, and automatic median sagittal plane detection is finally accomplished. Through the method, a three-dimensional problem is simplified into a two-dimensional problem through model establishment, automatic median sagittal plane detection is realized, and the relatively good result is acquired.

The invention relates to a working platform inclination angle measurement method and an apparatus thereof. The method comprises the following steps: acquiring the inclination angle beta between a working platform and a vertical plane in the rotation state through an inclination angle sensor arranged on the workbench, and acquiring the rotation angle rate omega of the working platform in the rotation state through an angular rate sensor arranged on the working platform; measuring the rotation radius R of the working platform through a radium measurement instrument; and calculating through utilizing a formula alpha=arcos(x-y) to obtain the practical inclination angle alpha of the working platform, wherein x=cosbeta, y=omega<2>R / g, and g is the gravitational acceleration. The practical inclination angle alpha obtained through calculating is treated as the measured inclination angle of the working platform. The method and the apparatus allow the inclination angle of the working platform to be accurately measured during the rotation of the working platform, so a problem that the measured inclination angle is less than the practical inclination angle value because of the omitting of the influence of the centripetal force during the rotation of the working platform in the prior art is solved.

Proposed are a method and device for reporting and receiving a buffer status. The method comprises: when a terminal judges that there is a split bearer or receives a notification which is sent by a base station and is required to report an additional buffer report, sending, by the terminal, a buffer status report (BSR) of a radio bearer to the base station; wherein the BSR carries size information about the buffer data of the radio bearer and size information about additional buffer data. The embodiments of the present invention realize reporting a buffer status when there is a split bearer.

The invention discloses a method for determining parameter influence factors of a cut tobacco drying process based on a partial least square (PLS). The method comprises the following steps of: selecting target variables and independent variables of process data in the cut tobacco drying process, and acquiring the historical data of the target variables and the independent variables; screening the historical data by adopting a Euclidean distance method, and rejecting abnormal data from the historical data to obtain sample data; and establishing a PLS model of the independent variables x and the target variables y by adopting the PLS, and calculating the magnitudes of influence factors of the independent variables x which influence the target variables y according to the model. The method is simple and easy to implement; and a manual experience-based judgment method is replaced by the method, so that the magnitudes of the influence factors can be obtained quickly and accurately.

The invention relates to an accurate crack width measuring method, comprising: positioning a probe of a crack width visualizer; then respectively turning on the light source of one side of the crack width visualizer to illuminate the surface of a measured object with the crack and take photos; processing the taken photos to obtain the clear photos of the crack boundary. The method can obtain the accurate crack boundary, avoid the problem of the inaccurate crack boundary caused by taking photos for one time, greatly improve the accuracy of the crack width detection, and provide reliable guarantee for people to process security detection of concrete, building and equipment.

The invention discloses a flexible tubular microelectrode and a preparation method thereof. The preparation method comprises the following steps of: firstly, cutting a section of a polymer capillary; secondly, sputtering a metal layer on the surface of the polymer capillary; thirdly, deposing a polymer on the surface of the capillary as an electrode insulation layer; and at last, etching the polymer insulation layer on the surface of the capillary by utilizing laser, and exposing a metal electrode point to obtain the tubular microelectrode. According to the flexible tubular microelectrode prepared by the invention, when electric simulation and electrographic recording are carried out on a physiological tissue by the electrode, a fluid medicine is transported to a tissue organ by a microtubule channel, and a flexible micro-size is beneficial for test or experiment operation and production of an embedded medical device.

The invention provides a method for measuring the load of a tower. The tower adopts a truss structure, and a loading rope with a sensor is used for measurement. The method comprises the following steps: determining a hanging point; resolving the load; determining the included angle between the loading rope at the hanging point and the axis of the tower; determining the path of the loading rope and arranging the sensor; loading. Through the method, the condition for indoor tower experiment is satisfied, the indoor space is fully utilized, instant loading can be realized when the hanging point is subject to spatial three-dimensional displacement, and the method more approximates the actual working condition of stress of engineering rod pieces and node structures.

The invention relates to an experimental apparatus and method for detecting crazes and defects of organic glass by using a digital gradient sensing process, belonging to the technical field of mechanics and nondestructive testing. According to the invention, the digital gradient sensing process is employed; a CCD camera is used for shooting pictures of a speckle field before and after placing of to-be-detected organic glass; digital gradient sensing technology is used for measuring changes in the deflection angle of light caused by the organic glass before and after placing of the to-be-detected organic glass; so detection of the organic glass is realized, and the distribution and sizes of crazes and defects in the organic glass are obtained. The digital gradient sensing technology used in the invention is optical non-contact overall-field measurement technology which is more convenient and simpler and reduces workload compared with traditional contact measurement methods. For non-contact measurement, a digital gradient sensing algorithm is added in the invention compared with the prior art, so results of the distribution and sizes of the crazes and defects in the organic glass are more visual and more accurate.

The invention relates to an iris wave-beam device capable of simulating an infrared target. The device is a movable mechanism which adjusts an imaging area of a thermal imager through adjustment of a clear aperture. The device comprises a box body, a motor, a transmission nut, a connecting rod, a guide rail, diaphragm pieces and a photoelectricity operation control system, wherein the motor, the transmission nut, the connecting rod, the guide rail and the diaphragm pieces are installed in the box body. The diaphragm pieces are two in number, and a side face of each diaphragm piece is provided with a 90-degree notch. The two diaphragm pieces are overlapped, and the 90-degree notches are oppositely arranged to form a square-shaped window which can spread and shrink. The device has the advantages that the diaphragm pieces are easy to machine, assemble and adjust, motion tracks are precise, operation is flexible, interference or inhibition in angle conversion of a motion component can be avoided, the window is precisely located, and uniform and precise motions of diaphragms can be guaranteed.

The invention provides a set of paddy rice SSR molecular markers suitable for capillary electrophoresis detection technology, and applications thereof. The set of paddy rice SSR molecular markers suitable for capillary electrophoresis detection technology comprises 13 SSR molecular markers. The invention also provides a primer combination which is used for detecting the SSR molecular markers and is suitable for capillary electrophoresis platforms. The 13 SSR molecular markers can be used for 1, construction of a paddy rice variety SSR labeled fingerprint database; 2, paddy rice maternal line source tracing analysis; 3, paddy rice variety identification and genetic diversity analysis, and 4, distinguishing of Beidao 7 and Longjing 29. Applications of the paddy rice SSR molecular markers arecapable of widening paddy rice available marker-site range in genome level, and providing novel tools in paddy rice variety and germplasm resources identification, genetic relationship evaluation, and cytoplasm hereditary character study, and the application prospect is promising.

The application discloses a two-dimensional finite element simulation method and system of a leakage magnetic field of a transformer. The method includes: acquiring each internal structure of the transformer, and establishing a three-dimensional finite element model of a leakage magnetic field of the transformer according to the internal structures; applying an exciting current to the model to obtain distribution and size of the leakage magnetic field of the transformer; establishing a two-dimensional finite element model of a leakage magnetic field of the transformer according to the internal structures; applying an exciting current to obtain distribution and size of the leakage magnetic field, which is in the two-dimensional finite element model, of the transformer; calculating distribution and size of a leakage magnetic field, which is of the three-dimensional model and corresponds to the two-dimensional model, of the transformer according to a position corresponding relationship of the three-dimensional model and the two-dimensional model; calculating a correction coefficient of the exciting current in the two-dimensional model; and compensating for the exciting current of the two-dimensional model according to the correction coefficient, and calculating and obtaining distribution and size of the leakage magnetic field, which is in a new two-dimensional model, of the transformer. The technical solution of the application can obtain the accurate distribution and size of the leakage magnetic field, which is in the two-dimensional finite element model, of the transformer while calculation and storage resources are saved.

The invention provides a scribing machine. The scribing machine comprises a machine table, a scribing knife shifting device and a scribing knife device, wherein the scribing knife shifting device is fixed to the surface of the machine table, the scribing knife device is connected with the scribing knife shifting device and is used for scribing on the surface of a test sample. The scribing knife shifting device comprises an X-direction horizontal sliding device, a Y-direction horizontal sliding device and a Z-direction vertical sliding device. The scribing knife device is fixedly arranged at the position of the Z-direction vertical sliding device, and an object stage is further arranged on the surface of the machine table and used for supporting and fixing the test sample. The scribing machine can realize full-automatic scribing on the surface of the test sample, and the grid-scribing speed is high and the entire process is uniform in force.

The invention provides a method and a system for nondestructively detecting a laminated lithium ion battery. The method comprises the following steps: sequentially emitting X-rays to every layer of cell electrode sheets of the laminated lithium ion battery, wherein the incident direction of the X-rays is parallel to the every layer of cell electrode sheets of the battery to be detected, and the X-rays scan around the cell electrode sheets in different directions; sequentially acquiring the intensities of the X-rays emitted from different directions and encircling the every layer of cell electrode sheets before and after penetrating the every layer of cell electrode sheets and the thickness of the every layer of cell electrode sheets; and determining the attenuation coefficient of the X-rays at each point on the every layer of cell electrode sheets according to the acquired intensity of the X-rays and the thickness of the every layer of the cell electrode sheets, and generating a two-dimensional image of the every layer of cell electrode sheets and a three-dimensional image of the laminated lithium ion battery. The method scans the cell electrode sheets of the laminated lithium ionbattery based on an X-ray tomography technology to realize the online monitoring of the state of the battery.

The invention relates to a test machine for simulating the hot galvanizing of a slat, wherein a rack is fixed on a base; an upper connecting plate and a lower connecting plate are arranged on the rack; a lifting device is fixed on the upper connecting plate; an operation box is fixed on the upper surface of the lower connecting plate; a hydraulic chuck device and a heating electrode are fixed in the operation box; a gate valve is fixed on the lower surface of the lower connecting plate; the lower surface of the gate valve is fixedly connected with an air knife chamber; an air knife device is arranged in the air knife chamber; a rail is arranged on the base; a trolley is arranged on the rail; a zinc pot is arranged in the trolley; a cover plate is arranged on the zinc pot; and a jack bolt is arranged at the bottom of the trolley. The device provided by the invention has the advantages of convenience in operatio, high simulation accuracy, safety, reliability, capability of repeatedly feeding through the trolley, convenience in repeated test and the like.

The invention relates to the field of building construction appliances, in particular to a wall drilling machine. The wall drilling machine comprises a base, a lifting mechanism and a perforating mechanism. The lifting mechanism comprises a tightening assembly and symmetrically arranged lifting rods. The tightening assembly comprises a rotating motor, gears, first racks and second racks. The rotating motor is fixedly arranged below the base, the gears are fixedly connected to the output end of the rotating motor, the first racks and the second racks are separately arranged on two sides of thegear and are in engaged connection to the gear, fixed plates vertical to the corresponding first racks or second racks are also arranged at the tail ends of the first rack and the second rack, and thelifting rods are hinged to the corresponding fixed plates. The lifting mechanism is also provided with a supporting rod, and the lifting rods are hinged to the supporting rod. The perforating mechanism comprises a mounting frame and a drilling assembly. The mounting frame is fixedly mounted on the lifting rods, and the drilling assembly is arranged in the mounting frame. The perforating precisionat the high altitude of a wall is improved and the drilling safety problem is solved.

The invention discloses an urban public service facility construction decision-making method influencing population density, and the method comprises the steps: dividing an urban space into square geographic grid units with the same side length; performing unary linear regression analysis among different indexes by combining three parameter indexes, namely the density of interest points of all types, the density of interest points of different function types and the mixing degree of the function types of the interest points, which reflect the current development level of urban public service facilities; and further performing quantile regression analysis on the parameter indexes passing the regression model test, constructing a correlation and an influence process between population distribution data in the geographic grid units and public service facility indexes, and comprehensively judging the influence strength of the public service facilities on regions in different population development stages. According to the method, the public service facility types which should be preferentially built in regions with different population development levels in a city are accurately reflected, so that the population density improvement efficiency is improved, and the use efficiency of public service facility configuration is optimized.

The invention discloses a preparation method of a zirconium alloy ingot. The preparation method comprises the following steps of 1, mixing zirconium sponge with an alloy raw material, and pressing toobtain an electrode block; 2, welding the electrode block in a protective atmosphere to obtain a consumable electrode; 3, carrying out vacuum consumable smelting on the consumable electrode in a current control mode to obtain a primary cast ingot; and 4, carrying out vacuum consumable melting on the primary cast ingot by adopting an electrode smelting speed control mode to obtain the zirconium alloy cast ingot. According to the method, vacuum consumable smelting is carried out in the current control mode, the problems that a consumable electrode block is uneven in density distribution and relatively poor in stability in the smelting process are solved, then vacuum consumable smelting is carried out in the electrode smelting speed control mode, a reasonable electrode smelting speed and a reasonable molten pool depth are established, the optimal purity and alloy component uniformity of the zirconium alloy ingot are guaranteed, and the problem that the quality fluctuation of the zirconiumalloy ingot smelted by an existing vacuum consumable electro-arc furnace is large is solved.

The invention discloses a power supply system of a high-performance computer. The power supply system comprises a backboard electrical power package for supplying electricity to a computing unit, and a main board electrical power package. The computing unit comprises a backboard and a plurality of main boards connected to the backboard; the backboard electrical power package comprises two power supply groups; each power supply group comprises four primary power modules; the plurality of main boards are divided into two groups in average, and each group of main boards are powered by one power supply group. The power supply system of the high-performance computer disclosed by the invention has the advantages of simple and compact structure, and convenience in manufacture and processing, improving the power conversion efficiency, reducing the power cost and the like.

The invention discloses a device and method for online monitoring particles on the surface of optical elements. The device comprises optical reflectors (3,9), a fixing rack (4), a dark field imaging system (5), an optical reflector case (6), two dark field illumination sources (7), a bright field imaging system (8), and a linear displacement platform (12); wherein two optical reflectors (3,9) and the fixing rack (4) are arranged on the optical reflector case (6); the dark field imaging system (5), the bright field imaging system (8), and the linear displacement platform (12) are arranged on the fixing rack (4), the linear displacement platform (12) drives the bright field imaging system (8) to move; and two dark field illumination sources (7) are arranged on two sides of the optical reflector (9). The provided device and method can monitor the pollutants on the surface of optical elements under different resolutions.

The invention discloses an automatic scrap metal processing system and method, and relates to the technical field of scrap metal recovery. The system comprises a control device, a crushing device, a screening device and a storage device; the crushing device comprises a crusher, wherein a rotor is arranged in a crusher shell body, a crushing space is formed between the rotor and the shell body, anda space adjusting mechanism used for changing the size of the crushing space is further arranged in the shell body; a crushing motor is arranged outside the crusher and connected with a power adjusting mechanism used for changing the input power of the crushing motor; the screening device is provided with a material monitoring mechanism for identifying the type and size of crushed metal parts andoutputting a monitoring identification signal; and the control device receives the monitoring identification signal and outputs a control signal, and controls the space adjusting mechanism and the power adjusting mechanism to act. According to the scheme, when the system runs, the control device can adjust the size of the crushing space and the power of the crushing motor according to the monitoring identification signal, the granularity and the output quantity of materials output by the crusher are controlled, and automatic optimization operation of the system is realized.