495results about How to "Improve inspection accuracy" patented technology

The robot capable of traveling along overhead high voltage transmission line includes one pair of small arm manipulator mechanisms with four freedoms each, one large arm transmission mechanism connected to the lower ends of the small arm manipulators to change the interval between two small arms, and one terminal executing mechanism over the small arms and with one driving wheel hanging on the transmission line, one driving mechanism, one driven wheel and one transmission line grasping clamp mechanism. The present invention has the advantages of wide application range, high efficiency, high safety and high polling precision. The robot of the present invention can realize various motions for polling in the whole transmission line.

The invention discloses a three-dimensional laser radar positioning and navigation method for intelligent inspection. The method comprises the steps of S1 acquiring original point cloud data of a to-be-inspected area through a laser radar, and establishing a global point cloud map; S2 converting the global point cloud map into a grid map, and performing global path planning according to preset patrol points to obtain an optimal patrol path; S3 estimating to obtain an initial position, obtaining initial point cloud data of the initial position, and matching the initial point cloud data with theglobal point cloud map to obtain an initial positioning value based on a global map coordinate system; and S4 through matching of the current frame point cloud data obtained in real time and the global point cloud map, obtaining a current inspection pose. As the method is realized by utilizing the three-dimensional laser radar, the functions of three-dimensional perception, autonomous path planning and positioning navigation of the environment can be well realized, and the inspection precision of the inspection robot is improved; GPS positioning navigation does not need to be adopted, and theanti-electromagnetic interference capacity is high.

The invention discloses a fluorescence immunochromatography device for detecting a novel coronavirus COVID-19 and a using method of the fluorescence immunochromatography device. The fluorescence immunochromatography device disclosed by the invention is high in sensitivity and strong in specificity, the accuracy is high, the detection sensitivity can reach 10pg / ml, the detection speed is high, theoperation is simple, the device is portable, the requirement for personnel is low, the operation of professionals is not needed, the detection cost is low, the device can be applied to preliminary screening of various places such as hospitals, airports, customs and disease control centers, the detection time (10-15 min) is short, a simpler, more convenient and faster field detection means is provided for suspected patient investigation and asymptomatic infected person screening, and therefore epidemic spreading is prevented as soon as possible.

The invention relates to a high-precision automatic inspection method and system based on an unmanned aerial vehicle. The high-precision automatic inspection method comprises the following steps thatdata of one or more to-be-inspected pole towers are obtained; an air route is designed according to the data of the pole towers; the air route is optimized, and a touring route is obtained; and according to the touring route, automatic touring is conducted, and a touring image is obtained. Compared with the prior art, the touring route is obtained by optimizing the air route, the inspection precision is improved, and the operating efficiency is improved. Furthermore, the pole towers and the touring route are stored correspondingly, when the same pole towers need to be inspected, workers do notneed to reach to places where the pole towers are located to obtain the touring route, the same pole towers can be quickly toured by directly calling the stored touring route, and the touring efficiency is improved greatly.

The invention belongs to the technical field of remote-sensing image processing and application and relates to a method for detecting a million-ton large-scale ship target in a high-resolution multispectral remote sensing image. The method comprises the following steps: firstly, gradient-based image segmentation is carried out on an image; secondly, geometrical characteristic and color characteristic of the segmentation object are extracted; and thirdly, by the utilization of a large-scale ship characteristic prior knowledge base, the segmentation object is classified by a fuzzy rule so as to obtain a large-scale ship object. In addition, as for detection of a large-scale ship in the port area, sea and land segmentation is carried out by the utilization of sea and land boundary information in a port prior knowledge base so as to remove the influence of the land part at a port. By adding a postprocessing step, error results detected at a non-million-ton berth are eliminated by the utilization of berth information in the port prior knowledge base. By full utilization of rich spectral information and high resolution of the high-resolution multispectral remote sensing image and by the use of the prior knowledge base, high reliability of detection results is guaranteed, and manual intervention is little during the detection process.

The invention provides a design detecting device which can judge the position of the cross short circuit without making the electrodes contact with the conductive design. Two current electrodes and two detecting electrodes are arranged on the sensor in the approximately cross shape. The sensor moves along the crossing line of the cross short circuit, wherein the current electrodes apply the AC voltage to the cross line. In addition, the detecting electrodes and the opposite grid line are in electrostatic coupling. Through the movement of the sensor, when the detecting electrodes move to the opposite position of the grid line generating the cross short circuit, the detecting electrodes respond the larger AC voltage. According to the change of the voltage value generated by induction, the position of the cross short circuit is judged.

A display device includes a defect inspection circuit, and a display panel having a display area and a peripheral area positioned outside the display area. The display panel includes a sensing wire positioned in the peripheral area and connected to the defect inspection circuit. The defect inspection circuit includes a resistance detection circuit that detects a resistance of the sensing wire based on an output signal corresponding to the sensing wire, a memory that stores first resistance information related to the resistance of the sensing wire detected in a first inspection operation, and a comparator circuit including a first comparator that compares the first resistance information with second resistance information. The second resistance information is related to the resistance of the sensing wire detected in a second inspection operation that is performed at a different time than the first inspection operation.

A defect detection method comprising, irradiating light from a light source in an optical system and obtaining a plurality of optical images of a sample having a repeated pattern of a size smaller than a resolution of the optical system; while changing the conditions of the optical system, performing correction processing for the optical images with the use of at least one of a noise filter and a convolution filter; shifting a position of the other optical images based on any of the plurality of optical images, obtaining a relationship between shift amounts of the other optical images and a change of correlation of a gray scale value between the plurality of optical images, and performing positional alignment of the optical images based on the shift amount obtained when the correlation is highest, performing defect detection of the sample with the use of the optical images after the positional alignment.

A sample, which has a mesa portion having a pattern thereon, is placed on a Z table. Light is irradiated to the mesa portion through an optical system and light reflected by the mesa portion is received to measure a height of the mesa portion. A height map of the mesa portion is created based on a height of a corner position. A height using the height map is corrected based on a deviation of a measured value from a target value, and a temporal variation of a focal position of light irradiated to the mesa portion. An optical image of the pattern is obtained while controlling the Z table based on the corrected height of the mesa portion. The optical image is compared with a reference image and a defect is determined when a difference value between the optical image and reference image is more than a predetermined threshold value.

Disclosed is an automatic breast ultrasound scanning method. The method is characterized in that a used automatic breast ultrasound scanning device comprises an ultrasonic coupling device, a probe seat, an ultrasonic probe and a probe moving device; the ultrasonic coupling device comprises a supporting frame, an upper elastic membrane and a lower elastic membrane, the edges of the upper elastic membrane and the lower elastic membrane are both connected with the supporting frame, and an airtight cavity is formed between the upper elastic membrane and the lower elastic membrane and is filled with coupling liquid; when scanning is performed, an examined person lies on an examination couch on the back, then the automatic breast ultrasound scanning device is put on the breast of the examined person, and the lower elastic membrane of the ultrasonic coupling device is tightly pressed on the breast; then the probe moving device drives the probe seat and the ultrasonic probe to move together according to a predetermined route, and the ultrasonic probe clings to the upper surface of the upper elastic membrane and scans the breast. The breast can be scanned automatically; the examined person adopts a supine posture in the process of examination, thereby feeling comfortable; operation is stable, scanning speed is high, and examination accuracy is high.

To provide a surface property inspection device and surface property inspection method with which the surface treatment condition of treated material such as steel subjected to such surface treatments as shot-peening treatment or heat treatment, nitriding, and the like can be non-destructively and precisely inspected, and which offers a high degree of general purpose application. A surface property inspection device 1 includes a AC power supply 10, an AC bridge circuit 20, and a judgment device 30, and the AC bridge circuit 20 has a variable resistor 21 with a variable split ratio gamma, a benchmark detector 22, and an inspection detector 23. In variable resistor setting step S1, the split ratio gamma of a variable resistor 21 is adjusted and set so that the output from the AC bridge circuit 20 is increased; after setting a frequency at which the output from the AC bridge circuit 20 is maximized using a frequency setting step S2, in pass / fail judgment step S4, a benchmark sample S is brought into contact with the benchmark detector 22, the sample under inspection M is brought into contact with the inspection detector 23, and the output from the LPF 33 and the threshold value set in the threshold value setting step S3 are compared and a pass / fail judgment is made of the surface condition of the sample under inspection M.

The invention relates to a method, device and system for detecting tire defects. The method comprises the following steps of acquiring an X-ray image of a tire; inputting the X-ray image into a trained Mask R-CNN model to carry out defect identification; outputting an identification graph with the defect marks, wherein the Mask R-CNN model training process comprises the following steps of acquiring the X-ray image of the tire, and performing segmentation of a set pixel size on each image by using an image segmentation software; marking the segmented image through a visual image annotator; andtaking the marked image as a training set to carry out adaptive training on the Mask R-CNN model. Compared with the prior art, the defect detection and the classification can be carried out on the detected image at the same time through the trained Mask R-CNN model, so that the defect detection accuracy is obviously improved.

The invention relates to an inspection apparatus and an inspection method of a magnetic sensor. The magnetic sensor inspection apparatus has a rectangular frame including a stage, a probe card, and a plurality of magnetic field generating coils. A wafer-like array of magnetic sensors is mounted on the stage, which is movable in horizontal and vertical directions. The probe card includes a plurality of probes which are brought into contact with a plurality of magnetic sensors encompassed in a measurement area. The magnetic field generating coils are driven to generate a magnetic field toward the stage. A plurality of magnetic field environment measuring sensors is arranged in the peripheral portion of the probe card surrounding the probes. A magnetic field controller controls magnetic fields generated by the magnetic field generating coils based on the measurement result of the magnetic field environment measuring sensors. Thus, it is possible to concurrently inspect a wafer-like array of magnetic sensors with the probe card.

The invention relates to a green channel vehicle checking method based on big data analysis, research and judgement. The method comprises the steps that green channel checking data is combined with charged vehicle passage data to form a green channel information big data database, on the basis, starting from the license plate number, tonnage, money amount, entrance-exit stations, vehicle types, cargo types and other attributes, analysis, research and judgement are conducted, data support is provided for green channel vehicle checking, green channel checking of the front end is guided in transition from manual judgement and experience judgement to data judgement, and accordingly the checking efficiency is improved; green channel vehicles are subjected to compiled analysis, the statistics workload is reduced, the efficiency of checking the green channel vehicles is improved, the inspection and rechecking difficulty is lowered, the effectiveness of cracking down the green channel vehicleswhich do not accord with the standard is high, analyzed, researched and judged cargo, vehicle, section and space-time distribution provides powerful decision support and guidance for the toll road management department and the transportation department, and the speed of checking the green channel vehicles and the traffic capacity of toll stations are improved.

The present invention provides a reagent set with the test method and test before a blood transfusion, is a method to improve the traditional manual polybrene method and the detection sensitivity of the detection reagent set, the cleaning liquid reagent set comprising blood, a solution of low ionic medium, polybrene solution and resuspension solution. The method and reagent set of the present invention made without clinical significance of antibodies has a lower detection sensitivity, but the clinical significance of the antibody has a high detection sensitivity, thus reducing the workload for the subsequent identification of the antibody, reducing testing costs, giving patients more secure rapid transfusion quality.

The invention belongs to the technical field of X-ray transmission imaging safety inspection and discloses a channel type four-perspective X-ray liquid goods safety inspection method and inspection device. The channel type four-perspective X-ray liquid goods safety inspection method is characterized in that the inspection device is used for analyzing obtained four-perspective liquid goods images, extracting two-dimensional features of material and density of liquid goods and determining whether to give out an alarm to the liquid goods according to the two-dimensional features of the material and the density of the liquid goods to realize liquid goods inspection. A foam groove used for placing the inspected liquid goods is respectively arranged on each of the upper part and the lower part in a box body of an inspection box of the inspection device horizontally, thin foam is arranged on the bottom of the box body, and the number of the inspected liquid goods placed in the foam grooves is less than or equal to 3. A plurality of liquid goods in the inspection box can be fast inspected once when the safety inspection method and inspection device are matched for using, and automatic detection of the dangerousness of the inspected liquid goods is efficiently realized.

A method for establishing a comprehensive pipe rack information database comprises steps as follows: S1, point cloud data of an underground pipeline network are acquired through a laser scanning instrument; S2, data registration and transferring are performed; S3, noise data are rejected; S4, the point cloud data without the noise data are subjected to data thinning processing; S5, a pipeline surface model is established; S6, a pipeline model is drawn; S7, pipeline information is extracted; S8, system configuration parameters are read, extracted pipe point and pipeline data are checked, and checked results are listed on a table according to the mistake type; S9, a two-dimensional planar graph of a pipeline is drawn, the type and the material of the pipeline and the pipe diameter information are marked, and finally, a pipeline result map is obtained; S10, the pipeline result map, a three-dimensional diagram of the pipeline model and the two-dimensional planar graph of the pipeline are stored in the database. According to the method, base establishing for underground pipelines can be rapidly completed, and the pipe rack data are vectorized.

The invention provides a display substrate, light-on equipment and a detection method of light-on test pin alignment.The display substrate comprises a display drive signal line and at least a group of testing bonding pads, and the plurality of testing bonding pads in the same group are sequentially arranged.Each group of testing bonding pads comprises the plurality of light-on testing bonding pads connected with the display drive signal line and two pin miss testing bonding pads which are not connected with the display drive signal line, and the two pin miss testing bonding pads are electrically connected.The arrangement of each group of pins in the light-on equipment is identical with the arrangement of the group of testing bonding pads corresponding to the group of pins.The detection method uses the light-on equipment to perform light-on test pin alignment detection on the display substrate.By the display substrate, the light-on equipment and the detection method, extra detection time is not needed, high reliability is achieved, staff needs not to contact the display substrate during operation, static is reduced, and product damage risks are lowered.

The invention provides a board inspection apparatus which can realize inspection precision increase related in two-face inspection of a board and furthermore can realize high speed in inspection. The board inspection apparatus (1) comprises an upper face inspection unit (3) configured to perform an inspection with regard to an the upper face (surface) side of the printed circuit board (P1), a lower face inspection unit (4) configured to perform an inspection with regard to a lower face (rear face) side of the printed circuit board (P1). The inspection unit (3,4) are provided with inspection illumination devices (3A,4A) which irradiate a strip pattern to the printed circuit board (P1), and inspection cameras (3C,4C) which perform photographing on the printed circuit board (P1). Furthermore, a specific process is carried out to alternately perform one imaging process among a plurality of imaging processes with regard to the predetermined inspection area by the upper face inspection unit (3) and one imaging process among a plurality of imaging processes with regard to the predetermined inspection area by the lower face inspection unit (4).

Provided is an ultrasonic automatic scanning and checking device for the mammary gland. The ultrasonic automatic scanning and checking device comprises a probe seat, an ultrasonic probe arranged on the probe seat and a probe moving device, and the ultrasonic automatic scanning and checking device is characterized by further comprising an outer shell and an ultrasonic coupling device. The probe seat, the ultrasonic probe and the probe moving device are arranged in the outer shell, and the ultrasonic coupling device is arranged at an opening in the bottom of the outer shell. The ultrasonic coupling device comprises a bearing frame, an upper elastic film and a lower elastic film, the bearing frame is connected with the edge of the opening in the bottom of the outer shell, the edge of the upper elastic film and the edge of the lower elastic film are both connected with the bearing frame, a sealed cavity is formed between the upper elastic film and the lower elastic film, and coupling liquid is contained in the sealed cavity. The ultrasonic probe is located above the ultrasonic coupling device and is closely attached to the upper surface of the upper elastic film. According to the ultrasonic automatic scanning and checking device, the mammary gland can be automatically scanned and examined, an examinee lies on his back in the examination process, the ultrasonic automatic scanning and checking device is comfortable, stable in operation, high in scanning and examining speed and high in examination accuracy, and the work efficiency of medical staff is greatly improved.

A dual-waveband infrared instrument for diagnosing mastopathy is composed of a hand-held laser source consisting of single-source laser probe and multi-source laser probe with multiple laser heads and their positions regulator, an infrared detecting system consisting of optical splitting system, near infrared camera head and far infrared camera head, and a data processing and computer control system.

The invention relates to an orbital patrol robot positioning method. The orbital patrol robot positioning method comprises the steps that: before patrolling, a patrol robot is subjected to positioningdata initialization setting; the patrol robot sequentially passes through each positioning point and a pre-set target position at the beginning of the starting point of an orbit; furthermore, the sequence number of each positioning point, the distance between the target position and the previous positioning point and the sequence number of the previous positioning point are recorded; when the patrol robot patrols, the positioning point is searched at first according to the recorded sequence number of the previous positioning point of each pre-set target position; and, after a positioning detection sensor of the patrol robot detects the positioning point, the patrol robot continuously walks according to the recorded distance from the pre-set target position to the positioning point. By means of the orbital patrol robot positioning method in the invention, the problem that the positioning precision is poor due to wheel slipping and abrasion when the patrol robot completely depends on walking distance positioning can be solved; and furthermore, the problem that the cost of setting the positioning point at each target position is high can be solved.

The invention provides an inspection apparatus, which can improve inspection precision when the position of an electrode foil is offset. The inspection apparatus (10) comprises a transmitter (13) that transmits a battery element (1); an X-ray irradiation device that irradiates X ray to the battery element (1); and an X-ray sensor camera (15) that shoots X ray transmission image of the battery element (1) irradiated by X ray. Therefore, on one hand, the direction of a reel line is used as a transmit direction, and the battery elements (1) are continuously transmitted along horizontal direction; on the other hand, the battery elements (1) are irradiated by fan-shaped beam-like X ray from vertical above, and the battery element (1) is shot by transmitted one-dimension X ray to obtain a whole X ray transmission image of the battery element (1). After that, winding offset of the battery element (1) is inspected based on the X ray transmission image.

The invention relates to a vibration sensor examination and calibrating device comprising a computer, a dynamic signal analyzer, a power amplifier, a shake table, a standard vibration sensor, a signalconverter and a sensor mounting rack; the dynamic signal analyzer comprises at least 1 signal output end and 2 signal input ends, wherein one signal input end is connected with the computer through anetwork twisted pair, and the signal output end is connected with the power amplifier; the output end of the power amplifier is connected with the input end of the shake table; the sensor mounting rack is arranged on the table surface of the shake table; the standard vibration sensor is arranged on the sensor mounting rack; the output end of the standard vibration sensor is connected with the input end of the signal converter through a low noise shield cable; the signal converter has two input ends and 2 output ends; the output ends and input ends of the signal converter are respectively connected with the input end CH1 and input end CH2 of the dynamic signal analyzer. The invention also relates to a usage method of the vibration sensor examination and calibrating device.

The invention provides a train ticket buying and checking system based on face recognition. During ticket buying, ticket buying terminals acquire passenger information and passenger face feature information, generate train ticket unique identification codes having a one-to-one correspondence with passengers according to the passenger information and face feature information obtained, and generatetwo-dimensional code information containing the passenger face feature information according to the train ticket unique identification codes. After ticket buying, a ticket buying cloud server receivesthe face feature information having a one-to-one correspondence with passengers sent by the ticket buying terminals, first ticket checking terminals and second ticket checking terminals collect the two-dimensional code information of the tickets of passengers, an obstacle set at a passage is put down under control if the face feature information parsed out according to the two-dimensional code information is consistent with the passenger face feature information in the ticket buying cloud server, otherwise, passenger-ticket inconsistency information is fed back to a train ticket monitoring platform. The train ticket buying and checking system based on face recognition has the advantages of scientific design, high practicability, time and labor saving, high checking efficiency and high detection accuracy.

Provided herein is a device for transferring flat panel glass disposed on a panel part of a substrate, in which air was discharged through a mild air layer part underneath the spanel part so as to maintain air layer above the panel part in a stable state. A transferring part was disposed at a working table, a transferring device was set on one side of the transferring part for transferring the flat panel glass disposed above the transferring part. Said transferring part comprises a housing having a fan installed within for discharging air; an air chamber with its top being open and was disposed above the housing; a substrate with a plurality of through holes dispoed on its surface that covered and sealed the opened top of the air chamber. The device for transferring flat panel glass is characterized in that the panel part comprises an inspecting programming pedestal mounted above the though holes of the substrate; a plurality of through holes that connected with the through holes of the substrate were disposed at the center of the panel part; pedestal having penetrating hole for connecting the though hole of the substrate; an inspecting program disposed within the through holes of the inspecting programming pedestal; a plurality of panel partsthat covered the upper part of the inspecting programming pedestal and having a plurality of discharging holes corresponded to the through holes of the inspecting programming pedestal, each of the panel parts was separated by a predetermined distance.

The invention discloses an automatic inspection method and device for a polar electric component in a circuit board. The method comprises the following steps: S1, obtaining an image of a to-be-inspected circuit board; S2, obtaining a preset positioning image template of the to-be-inspected element, performing matching search on the image obtained in the step S1, and positioning to a mounting position of the to-be-inspected element; S3, obtaining a target image of the to-be-inspected element according to the positioned mounting position, obtaining a preset standard image template correspondingto the to-be-inspected element, matching a target image of the to-be-inspected element with the preset standard image template and judging whether the to-be-inspected element is mounted and the polarity mounting state according to a matching result. The device comprises an image obtaining module, an element positioning module and a mounting inspection module. The method and the device in the invention can realize automatic inspection of various polar elements and have the advantages of simple implementation method, low inspection cost, high inspection efficiency and precision, wide range of application and the like.

An unmanned aerial vehicle calibration system and method of an instrument landing system are provided. The calibration system includes a flight calibrating unmanned aerial vehicle and a ground station. The flight calibrating unmanned aerial vehicle includes an unmanned aerial vehicle main body and an unmanned aerial vehicle onboard device. The unmanned aerial vehicle main body is a remote-controlled multi-rotor flight vehicle. The unmanned aerial vehicle onboard device is mounted on the unmanned aerial vehicle main body. The ground station is a ground monitoring device. Beneficial effects of the calibration system and method are that calibration of communication and navigation signals of the instrument landing system in an aircraft approach process can be simulated, thus greatly increasing the calibration efficiency, saving the cost and making examination precision high; and equipment is light and portable, flight calibrating steps are simplified, and two persons can complete all calibration tasks, thus making flight calibration more convenient and rapider. The method can meet various flight calibration index requirements of a civil aviation airport on the instrument landing system, can replace traditional flight calibration manners, and can save a large amount of cost and personal for the airport. The calibration system and method are highly automatic and intelligent, and ensure accuracy of the instrument landing system as landing guides and indicators.

The invention discloses a locomotive overhaul system based on video identification realized by dim light compensated dual cameras. The system comprises an upper monitoring terminal and mobile video acquisition equipment used for acquiring video information of each overhauled object on an overhauled locomotive, wherein the mobile video acquisition equipment comprises a casing, a video shooting device and an electronic circuit board; a data processor, an image synthesis unit and a clock circuit are arranged on the electronic circuit board; the video shooting device is a dual-camera video shooting device comprising a color image acquisition unit, a color image controller, a black-and-white image acquisition unit and a black-and-white image controller. For the black-and-white and color dual cameras, all that is needed is to start a main camera under most shooting scenes, and when an auxiliary camera is started in the dim light environment, the purity of pictures can be improved and the accuracy of image identification is effectively improved. The system has the advantages of simple steps, reasonable design, high overhaul speed and good overhaul effect, and the implementation is convenient.