121results about How to "Reduce detection workload" patented technology

The invention discloses a method and a device for identifying the traffic of an access network. The method comprises the following steps of: extracting a sub-stream, which corresponds to each data stream, from each data stream of the access network; sampling all the sub-streams to obtain sampling sub-streams; identifying the application layer protocol of each sampling sub-stream and establishing a mapping relationship between the sampling sub-stream and the application layer protocol according to the identification result; extracting initial data from each sub-stream and establishing sub-stream characteristic vectors which correspond to the sub-streams according to the initial data; clustering the sub-streams according to all the sub-stream characteristic vectors to form a plurality of clusters; establishing a mapping relationship between the clusters and the application layer protocols according to the mapping relationship between the sampling sub-stream and the application layer protocol; and identifying the application layer protocol, which each sub-stream in each cluster corresponds to, according to the mapping relationship between the clusters and the application layer protocols so as to identify the application layer protocol of the data stream which correspond to the sub-stream in the access network. The method and the device for identifying the traffic of the access network can perform high-speed on-line flow identification for the access network and can identify the application layer protocol of an encrypted data stream in the access network.

The invention, which belongs to the technical field of the unmanned aerial vehicle detection apparatus, discloses a detection device for an unmanned aerial vehicle-mounted electronic system. The detection device comprises an unmanned aerial vehicle avionics system detection simulation device, a coding and decoding system, and a detection system radio frequency link; the unmanned aerial vehicle avionics system detection simulation device is connected with the coding and decoding system by a serial port; and the coding and decoding system is connected with unmanned aerial vehicle-mounted radio equipment by the detection system radio frequency link. According to the detection device, the miniaturized and portable design scheme is used; the detection workload is small; a few responders are needed; and the detection speed is fast. On the basis of the mode of wired connection of the detection system radio frequency link with the unmanned aerial vehicle-mounted radio equipment, problems that frequent starting up by the ground control station is needed and the collision with self examination of the ground control station exists during the detection process of the unmanned aerial vehicle-mounted electronic system can be solved.

The invention relates to a three-window based common-path interference detecting method and a device and belongs to the field of optical interference detection. According to the method and the device, after parallel lights pass through three windows composed of a to-be-detected object and a rectangular window and then pass through a first lens, a one-dimensional periodic grating and a second lens in turn, the parallel lights are emitted toward an image sensor; the parallel lights are collected by the image sensor and a computer connected with the image sensor, thereby obtaining an interference image containing three patterns; the intensity distributions are respectively I-D / 3, I0 and ID / 3; and the intensity distributions are introduced into a formula, thereby calculating phase distribution of the to-be-detected object. The method and the device have the characteristics of excellent stability, low system complexity and simple phase recovering algorithm.

The invention relates to a method and instrument for detecting an oil gas recovery system of a gas station, in particular to an oil gas recovery detecting method and an intelligent detecting instrument, wherein the detecting method comprises the step of detecting the tightness, the liquid resistance and the gas liquid ratio of the oil gas recovery system of the gas station according to the programmed sequence by adopting a flow and pressure matching mode, and the detection data is automatically saved and can be printed on the spot or transmitted to a computer; and the intelligent detecting instrument comprises an anti-explosion circuit system and a closed gas path system, wherein the anti-explosion circuit system comprises a power supply source, a Roots flow sensor, a digital pressure sensor, a display screen, an input keyboard, a single chip microcomputer processing module, a data memory, a printer interface, a data transmission interface and the like, the closed gas path system comprises a flow sensor, a pressure sensor, a pipe fitting, a flexible pipe and a quick joint, and the circuit system and the gas path system are matched with a panel to be integrally installed in a box body. The detecting method of the invention is distinct, flexible, simple and convenient; and the detecting instrument of the invention has compact structure and perfect functions and can be carried, used, maintained and repaired simply and easily.

The invention discloses an image anomaly detection device and method. The device comprises an acquisition module and a comparison module; the acquisition module is used for synchronously acquiring image frames which a display terminal under detection displays; resolution of the acquisition module is greater than that of the display terminal; the comparison module is used for comparing the acquired image frames to a preset reference frame and judging whether or not anomalies occur to the acquired image frames according to comparison results. The image anomaly detection device and method has the advantages that quality of an image displayed on the display terminal is automatically tested so that detection labor is greatly relieved; testing results are more accurate, and chances that missing image anomalies occur in testing are slimmed; testing is simple, safe and reliable, and defects of a manual testing method are made up.

The invention discloses a method for detecting the balling performance of iron ore concentrates, comprising the following steps of: measuring the maximum molecular water of the iron ore concentrates by using a centrifugation method; measuring the maximum capillary water of the iron ore concentrates by using a saturated water absorption method; measuring the bulk density and the true density of the iron ore concentrates and calculating porosity; calculating the average particle diameter of the iron ore concentrates by using a laser granulometer; and calculating the balling performance of the iron ore concentrates by using a formula and giving out an evaluation order. The method has the characteristics that operation is simple, scientific and reasonable and has certain theoretical direction significance to the iron ore concentrate dosing operation. When the average particle diameter of the iron ore concentrates is less than 60 mu m, 200-mesh or 325-mesh raw materials are adopted for replacement, and the reliability of an estimation method is not affected by the average particle diameter.

A reagent for detecting low - density lipoprotein cholesterol is composed of buffer solution, stabilizer, chromogen, high affinity enzyme compound, surface active agent being added in reagent as the ratio of 10 - 50 g / L, catalyst, antiseptic and anti - interference substance. Its preparing method includes activating compound, dissolving enzyme, mixing, reacting and proportioning.

The invention discloses a high-sensitivity non-contact line haunting device comprising a transmitter and a receiver. The transmitter comprises a generating circuit, a frequency dividing circuit and an amplifying circuit; the master frequency signal generated by the generating circuit is subjected to the frequency dividing by the frequency dividing circuit and is formed into the divided-frequency signal, and then the divided-frequency signal is amplified into the amplified signal by the amplifying circuit; the amplifying circuit is connected with a lead and is used for transmitting the amplified signal through the lead; the receiver comprises a receiving circuit, a frequency-selecting amplifying circuit and a complex frequency dividing circuit; the receiving circuit comprises a carbon rod coil and is used for receiving the amplified signal and delivering the received amplified signal to the frequency-selecting amplifying circuit for further amplification and to the complex frequency dividing circuit for frequency dividing; and the output end of the complex frequency dividing circuit is connected with an indicator. The high-sensitivity non-contact line haunting device is more sensitive and can reduce the noise, improve the work efficiency and the anti-interference capacity of a detecting device and lower the detection intensity. The invention also discloses a high-sensitivity non-contact line haunting method.

The invention relates to a method, device and system for detecting citrus huanglongbing by low-altitude hyperspectral remote sensing. The method comprises the steps that a low-altitude hyperspectral remote sensing image of a citrus distribution area to be detected is obtained, wherein the remote sensing image includes distribution information of citrus plants and geographic information of the citrus plants; the hyperspectral remote sensing image is preprocessed; the preprocessed low-altitude hyperspectral remote sensing image is input into a citrus huanglongbing BP neural network model; and distribution results of the citrus huanglongbing in the distribution area are obtained. According to the detecting method, manpower, material resources and workloads of detection can be reduced for thedetection of the citrus huanglongbing in a large area of citrus orchards; rapid detection, accurate location, high efficiency and undamage can be achieved; the detection process is low in cost, easy and effortless; and the results are accurate and reliable.

This invention relates to a test agent and its process method to test the cholesterin in the lipoprotein with high intensity in blood serum. This invention aims to provide an improvement of the agent and its process method by which we can get the agent able to automatic biochemical analysis device in each type. The technique project and the contents are the flowing: a, high combining enzyme compound; b, surface activity agent; c, some antiseptic agent, stabilization agent and color source.

The invention discloses a non-contact type wire tracing device which comprises a transmitter and a receiver, wherein the transmitter comprises a signal generating module, a modulating module and an amplifying module. A main frequency signal generated by the signal generating module is used as a carrier signal, forms a modulating signal by a modulating module, and forms an amplifying modulating signal by the amplification of the amplifying module. The amplifying module is connected with a conducting wire and transmits the amplifying modulating signal through the conducting wire. The receiver comprises a receiving module, a frequency-selecting amplifying module, a demodulating module and an identification generation audio module, wherein the receiving module comprises a carbon rod coil for sensing the amplifying modulating signal transmitted by the transmitter, and the sensed and received amplifying modulating signal is sent to the frequency-selecting amplifying module to amplify and then demodulated by the demodulating module; the demodulated amplifying modulating signal enters the identification generation audio module to identify and generate a corresponding audio signal; and theoutput end of the identification generation audio module is connected with an indicator. The invention also discloses a non-contact type wire tracing method.

The invention discloses a rotary positioning device and a detection system for detecting pesticide residue on the surface of fruits, belonging to the field of pesticide detection. The rotary positioning device comprises a bottom plate, a fixed mount, a movable mount and a spring, wherein the upper part of the bottom plate is provided with a bottom stand column; the fixed mount is fixedly connected with the bottom plate; the upper part of the fixed mount is provided with a through hole for exciting light to pass through; the upper part of the movable mount is provided with a roller for driving a sample to be tested to rotate while the lower part of the movable mount is provided with a sleeve matched with the bottom stand column; the sleeve is sleeved on the bottom stand column; a positioning nut is arranged on the outer side of the sleeve; and the spring is sleeved outside the sleeve and arranged between the bottom plate and the positioning nut. According to the rotary positioning device and the detection system, nondestructive detection of the pesticide residue on the surface of fruits is realized with less detection time, low detection working capacity and high detection precision.

The invention discloses a moulding pipe fitting automatic detection device. The automatic detection device comprises a pipe fitting support system, a pipe fitting detection system and a base (1). Support robots (2A, 2B) are arranged on the pipe fitting support device. A scanning robot (20) is arranged on the pipe fitting detection device. The invention also discloses a detection method of the automatic detection device. In this way, a problem in high precision measurement of a large-size pipe fitting with a complex shape is solved; precise data of the shape and the size of the pipe fitting can be acquired; the automatic degree of the detection process is high; detection efficiency is high; detection workload of operators is reduced; and requirements of large-scale production can be met.

The invention belongs to the field of metal material performance detection, and particularly relates to a detection method for the strain hardening index n value of a metal material. The detection method includes the following steps that a, the strain hardening index no value, yield strength delta so and tensile strength delta bo of a metal standard part of a kind of steel are measured; b, the strain hardening index no value, yield strength delta so and tensile strength delta bo are substituted into the formula (I) shown in the specifications, so that the C value of the metal material of the kind of steel is obtained; c, the yield strength delta s and tensile strength delta b of the part, to be tested, of the kind of steel are measured; d, the delta s and delta b values measured through the step c are substituted into the formula (II) shown in the specifications, so that the n value of the metal material is obtained through calculation. The new corresponding relation between the n value and the yield ratio of the material is provided, precision is high, and the method is simple, easy to implement, efficient and rapid, can reduce the workload of detection in a steel factory substantially, and has innovation and breakthrough.

The invention discloses a detection device with a plastic fastener assembly, which comprises a device body, a base plate, a support plate, a detection frame, a mounting plate, a guide post and a ball screw extending below the device body, wherein the support plate is arranged above the middle of the base plate, the guide post is positioned between the base plate and device body, the detection frame is arranged above the support plate, a guide sleeve sheathed on the guide post is arranged at the circumference of the mounting plate, a mounting plate connection frame is fixedly connected above the middle of the mounting plate, the mounting plate connection frame is matched with the ball screw, a rubber pressure head is arranged below the middle of the mounting plate, a light sensor and a displacement transducer are mounted on the detection frame, and an electric cabinet and a warner are mounted on the device body. By adopting such a structure, the detection device with a plastic fastenerassembly is convenient to operate, and can reduce the detection workload, improve the production efficiency and ensure the detection accuracy.

The invention discloses a multiplex PCR detection method and kit for Shiga toxin-producing Escherichia coli and application thereof. The method and the kit thereof can simultaneously detect the genes consisting of stx1, stx2 and wzyO157 through a triplex PCR reaction, electrophoresis staining and ultraviolet visualization, subtypes consisting of stx1 and stx1c can be amplified by using a detection primer for the stx1 gene, subtypes consisting of stx2, stx2c and stx2d can be amplified by using a detection primer for the stx2 gene, and an O157 serotype strain can be identified by using a detection primer for the wzyO157 gene. According to the invention, the method and the kit can effectively detect stx and main variants thereof and can be used for distinguishing O157 from other non-O157 Escherichia coli, for directly detecting Shiga toxin-producing Escherichia coli in a food sample and for identifying a clinical strain and a food isolate.

The invention discloses a lung canceration region segmentation and classification detection system. Firstly, carrying out preliminary pre-segmentation by using a pre-segmentation model; screening pre-partitioned regions, carrying out gradient calculation on the pre-segmentation area; obtaining a main concentrated part of the misdiagnosis area, that is, tissue region edge, for these edge regions, segmenting the canceration area accurately by using the high-precision fine segmentation model, wherein only the edge area is involved in the fine segmentation algorithm, so that compared with the existing method for finely segmenting the whole tissue area, the calculated amount is remarkably reduced, and the balance between the rapidity and the accuracy of detection can be realized. According tothe method, the rapidity of the pre-segmentation model and the accuracy of the fine segmentation model are combined, the canceration region segmentation algorithm capable of meeting the actual application level can be achieved, the algorithm can be applied to the actual social production process, the detection workload is effectively reduced, and the diagnosis speed is increased.

The invention discloses a floating-type combined herringbone tooth inner gear ring machining method. The method includes the following steps that internal teeth and external splines are machined at any circumferential position; the center phase difference of internal tooth grooves and external spline tooth grooves of any pair of adjacent internal teeth and external teeth is detected; the detectedinternal and external tooth grooves are used as a starting point, the phase difference detection result is used as an initial value, and the phase differences of the remaining internal tooth grooves and the adjacent external tooth grooves are calculated in sequence; the internal and external tooth grooves corresponding to the minimum value in the phase difference calculation result are marked as datum tooth grooves; and a mathematical model is established on the basis that the internal and external tooth phase difference detection result of the initial point is used as a constant, and the tooth number distance of the datum tooth grooves to be marked and starting point tooth grooves is used as a variable, and an iterative operation rule is further adopted for calculation. The herringbone tooth inner gear ring machining method has the beneficial effects that the machining route is short, the clamping number is small, detection workloads are also small, machining precision and efficiencyare high, the quality guarantee capability is also high, and manufacturing cost is low.

The invention discloses a method of improving the soybean genetic transformation efficiency by virtue of the synergism of a surfactant and ultrasonic waves and an application of the method. The method is an agrobacterium tumefaciens mediated soybean cotyledonary node genetic transformation method and comprises the following steps: infecting a soybean cotyledonary node explant by virtue of a recombinant agrobacterium tumefaciens containing a target DNA (Deoxyribonucleic Acid) to obtain an infected explant, co-culturing the infected explant to obtain the infected explant after co-culture, and completing the transformation, wherein the infected explant obtained by infecting the soybean cotyledonary node explant by virtue of the recombinant agrobacterium tumefaciens containing the target DNA is the infected explant obtained by arranging the soybean cotyledonary node explant into an infection liquid of the recombinant agrobacterium tumefaciens to carry out ultrasonic treatment, the infection liquid contains the surfactant, and scratches are not made at the cotyledonary node position of the soybean cotyledonary node explant. The method can be used for culturing a novel variety of transgenic soybeans as well as excavating and identifying gene functions.

A multi-acupoint dynamic channel and collateral detector comprises a microprocessor, an acupoint excitation assembly and a collection module. The acupoint excitation assembly is provided with an acupoint excitation terminal, an excitation power source module and an excitation power line, and the excitation power source module is controlled by the microprocessor. The collection module is provided with a collection assembly, an analog-digital conversion chip, at least one gate chip and a sampling resistor, and the gate chip and the sampling resistor are connected. The collection assembly comprises a busbar and a plurality of measuring terminals, the gated measuring terminal serves as a current measuring terminal, one end of the sampling resistor is grounded, and the other end of the sampling resistor is connected with the analog-digital conversion chip. The analog-digital conversion chip obtains voltage at the two ends of the sampling resistor. The microprocessor calculates equivalent impedance of channels and collaterals of a human body. The detector has the advantages that channel and collateral resistance and information of acupoints on the body of a patient can be measured at the same time, difference in collection conditions of the acupoints is reduced, and testing precision and efficiency of the acupoints are improved.

The invention discloses an electric vehicle DC charging interface connection state detector. The detector comprises a test socket used for connecting with a to-be-detected charging gun, a test plug used for connecting with a to-be-detected vehicle DC charging socket, and a test board used for testing a connection state of each pin of the to-be-detected charging gun and the to-be-detected vehicle DC charging socket. The detector is advantaged in that charging interface connection state detection is carried out on the condition that the charging gun and the electric vehicle DC charging socket are in a perfect state without damage, whether connection abnormality occurs is determined, fault causes are made to be clear when connection abnormality occurs, safety and reliability of electric vehicle charging are effectively guaranteed, and popularization and application of electric vehicles are facilitated.

The invention discloses a track prompting method and a device, a storage medium and an electronic device. The method comprises the steps as follows: acquiring an adjustment instruction triggered by the operation of a human-computer interaction interface presented in a client of the virtual billiard game, wherein the adjustment instruction is used for adjusting a control operation applied to a target collision ball in a virtual desktop control area; in response to the adjustment instruction, determining a target grid intersected with the target collision ball from a virtual desktop grid set matched with the virtual desktop control area; performing collision detection on the target grid to obtain a collision detection result, wherein the collision detection is used for detecting an object collision ball and / or an object collision edge colliding with the target collision ball; generating a target motion track corresponding to the target collision ball according to the collision detectionresult; and displaying the target motion track on the client. According to the invention, the technical problem of low auxiliary line generation efficiency in related technologies is solved.

The invention discloses an apparatus and method for detecting the radial runout of shaft components. The apparatus comprises a saddle-shaped seat, a dial indicator, a slide plate, a positioning board, a fixing bolt, and two rolling balls. The positioning board is vertically disposed on one end of the slide plate. The slide plate is moved in a chute on the top plate of the saddle-shaped seat and is fastened by the fixing bolt. The dial indicator is arranged on the top surface of the saddle-shaped seat and the probe of the dial indicator is extended out of the top edge of the saddle-shaped seat. The two rolling balls are disposed on the bottom surfaces of the two sides of the saddle-shaped seat, respectively. The saddle-shaped seat is placed on the surface of a shaft component. The positioning board is abutted against the end face of the shaft component. The saddle-shaped seat is rotated along the surface of the shaft component and readings on the dial indicator are recorded. The difference between a maximum dial indicator reading and a minimum dial indicator reading is a value of the radial runout of the shaft component. The apparatus and the method can be used in a production field for easily detecting the radial runout of shaft components, and has advantages of overcoming a defect of a conventional detecting manner, guaranteeing detection precision, effectively increasing detection efficiency, decreasing detection workload, and reducing equipment maintenance and overhaul cost.

The invention discloses an automatic detection tool for the thickness of a fluted disc. The automatic detection tool comprises a mounting substrate, a detection base plate, and a detection top plate. A positioning post is arranged at one end of the detection base plate vertically; a gear motor is arranged below the detection base plate; and a motor shaft of the gear motor is connected with the positioning post. A chute is formed in the detection base plate along the length direction; a sliding block is arranged in the chute; and one end, far away from the positioning post, of the detection top plate is bent and then is connected with the sliding block. The upper side surface of the detection base plate is a plane and the lower side surface of the detection top plate is a stepped surface, so that a detection go gauge is formed at one segment far away from the bending segment between the detection top plate and the detection base plate and a detection go-no gauge is formed at one segment approaching the bending segment between the detection top plate and the detection base plate. Therefore, the detection work load can be effectively reduced and thus the detection speed and the detection efficiency are improved.

The invention discloses a rotating table structure with an external braking mechanism. The rotating table structure comprises a rotating table and the braking mechanism. The rotating table comprises a main body, a rotary shaft and a rear cover, wherein the main body is fixedly arranged on a workbench, the rotary shaft is rotationally mounted on the main body, the rear cover is fixedly arranged on the main body, and the rotary shaft extends out of the rear cover. The braking mechanism comprises at least one piston, at least one brake pad and at least one friction surface, wherein the at least one brake pad is located between the at least one piston and at least one friction surface, the at least one brake pad is fixedly arranged on the rotary shaft, the at least one friction surface is fixedly arranged on the workbench, and the at least one piston moves in the axial direction of the rotary shaft to enable the at least one brake pad to abut against the at least one friction surface. The braking mechanism is arranged outside the rotating table and is convenient to maintain and replace, potential safety hazards caused by impurities generated by abrasion are eliminated, and braking mechanisms of different structures can be mounted as required.

The invention provides an accessory quality detection method for a rail train, and the method comprises the steps: collecting the image information of a to-be-overhauled accessory on the rail train, and uploading the image information to a detection model; and performing content feature extraction and style feature extraction on the image information through the detection model, and judging whether the to-be-overhauled accessory is qualified or not through the identification points on the to-be-overhauled accessory to obtain a quality detection result. According to the invention, quality detection can be carried out on accessories on a rail train, and a detection model capable of detecting part image information in real time is constructed. The method provides machine assistance for key accessory detection work, automatically collects part characteristics, adds a guarantee for the detection work, reduces the detection workload, improves the detection accuracy, reduces the possibility of missing detection, and simplifies the shooting, storage, copying and other work flows.

The invention discloses a method for screening out retired batteries of an electric vehicle through AI detection. The method comprises the following steps of firstly, carrying out preliminary evaluation on the retired batteries, screening out the retired batteries capable of being used in an echelon mode, then disassembling the retired batteries capable of being used in the echelon mode into corresponding battery cells, carrying out capacity grading on the battery cells, and carrying out reference performance test on the battery cells subjected to capacity grading; obtaining performance parameters of the battery cells, carrying out pulse current test on the battery cells to obtain pulse voltage characteristics of the battery cells, inputting the pulse voltage characteristics of the battery cells into a preset neural network model to obtain the capacity of the battery cells, and finally screening out the battery cells which can be used in an echelon manner according to the performance parameters and the capacity of the battery cells; and artificial intelligence being introduced to assist in detection of the battery cell so that the detection time and workload are reduced, and detection precision is improved.

The invention discloses a method and a system for judging the consistency of a metering device based on pattern recognition. The method comprises: collecting images of different parts of an inspectedammeter by an industrial microscope; conveying the collected images to a determination system for image processing; acquiring and storing feature signals of binary images and the images of the different parts of the inspected ammeter into a database as standard feature signals of ammeters of the inspected batch; obtaining feature signals of images of different parts of a delivered ammeter or an onsite ammeter of the same batch as the inspected ammeter; and comparing the feature signals of the delivered ammeter or the onsite ammeter with the standard feature signals stored in the database to obtain the similarity, and determining the delivered ammeter or the onsite ammeter is an ammeter as same as the inspected ammeter according to the similarity. The method provided by the invention can automatically identify that whether the ammeter delivered by the ammeter supplier and the inspected ammeter are in the same batch and whether the onsite ammeter installed on the user site is artificially replaced, thereby reduce the manual workload, and improving the working efficiency.

The invention discloses a disc-shaped disc hub core thickness detection method. The method uses a semi-automatic detection tool and comprises the following steps of: 1) selecting a detection tool; 2) stretching a positioning column along the direction far from a bent segment; 3) sleeving the positioning column by a disc-shaped disc hub core; and 4) rotating the disc-shaped disc hub core by one round. The method may effectively decrease detection workload, achieves convenient and fast detection, and is high in detection efficiency.

A coaxiality measurement device for mounting of a vertical shaft steel lining of a hydraulic floating vertical ship lift comprises a measurement instrument and a detection work platform. In the measurement instrument, a fixed hole plate is mounted in the design center of a steel lining bottom plate, and a floater, a press plate and a connecting rod are connected to form a whole and then placed in a floating bucket; and the detection work platform is composed of multiple layers of connected work platform bodies, and in each work platform body, one end of each of 16 stud ejector rods equally dividing the circumference into 16 parts is connected with a center support, and the other end of each stud ejector rod is matched with the inner wall of a vertical shaft steel lining joint. According to the coaxiality measurement device and detection method for mounting of the vertical shaft steel lining of the hydraulic floating vertical ship lift, the problems that the workload is large, and precision is not high can be solved; operation is easy and convenient, the detection workload is reduced, and the construction progress is accelerated; and the detection precision of the measuring range being 50 m or above is not larger than 0.5 mm.