46results about How to "Avoid human influence" patented technology

The invention relates to a method for monitoring and measuring a full section of a tunnel through three-dimensional laser, and belongs to the field of tunnel engineering construction monitoring. The method comprises the following steps of: arranging target points in a tunnel to be measured according to a requirement; determining whether to adopt one-station scan or multi-station scan according to the monitoring length of the tunnel; erecting an instrument at a proper position and scanning the full section of the tunnel; after the scan is finished, importing data into a computer; registering point cloud data acquired through the scan to generate a three-dimensional model by applying three-dimensional data processing software; and generating a comparison model by combining a previous three-dimensional model for the same tunnel at different time, and selecting a specific section and characteristic points to generate a variation analysis chart and a variation analysis sheet for a corresponding position. By the method, the full section of the tunnel is monitored in real time, the speed and accuracy of monitoring and measuring work are improved, manpower and material resources are saved, the speed and quality for monitoring and measuring the tunnel are improved, and reliable guarantee is provided for tunnel engineering construction.

The invention discloses a device for testing the performance of an optical module and aims at providing a convenient and quick test environment. The invention is realized by the following technical scheme: a PC is connected to a server through an RJ45 network cable, is connected to an optical module performance test board through a USB data line, and is connected to an optical power meter throughan RS232 serial line, the optical power meter is connected to an ROSA optical device through an optical fiber splitter, a tested optical module is connected to the test board through a gold finger slot, the average optical power of the TX end of the tested optical module is divided into two by the optical fiber splitter, one path is sent to the ROSA optical device, and the other path is sent to the optical power meter, the PC obtains the average optical power value of the optical module measured by the optical power meter, and then compares the average optical power value with an optical powerthreshold that have been configured by the server, and determines whether the average optical power value of the tested optical module is within a normal range by using the comparison result. An alarm light visually displays various performance test results of the tested optical module.

The invention relates to a system and method for checking and accepting the quality of a precast concrete component. The system comprises a built-in wireless radio frequency electronic tag (5), an ultrahigh-frequency electronic tag read-write system (4), a front end operating platform (3) and a background service platform (2) with a central database (1). The method includes the operating steps that the operating platform obtains incoming component information; the component information is loaded through the ultrahigh-frequency electronic tag read-write system; the wireless radio frequency electronic tag which is arranged inside the precast concrete component in a built-in mode is scanned; whether the precast concrete component is to be checked and accepted is judged through display information; an item record is checked and accepted; 'passing check and acceptance' or 'returning to factory' is selected through click; qualified information is written in the wireless radio frequency electronic tag; the fact that checking and accepting are over is hinted and then a database file is generated; the checking and accepting record and a checking and accepting remark are uploaded to the operating platform; data are managed and then uploaded to the operating platform.

The invention discloses a multi-energy complementally driven dehumidification air-conditioning system which comprises a room internal partition wall, a room wall, a hollow fiber membrane, an indoor air return port, an indoor circulating fan, a wind driven generator, a storage battery, a solar thermal collector, a heat exchanger, an ultrasonic atomizer, an ultrasonic generator, a solution regenerator, an energy storage reservoir, a solution collection reservoir, a solution circulating pump, a liquid return pump and a plurality of valves. The solution regenerator is composed of an atomizing chamber, an air inlet, a solution baffle, a demister and an exhaust fan. The multi-energy complementally driven dehumidification air-conditioning system uses solar energy as the regeneration thermal source of a dehumidification solution, improves dehumidification solution regeneration efficiency by aid of the ultrasonic atomization effect, solves the problem of the solution dehumidification system that the air contains liquid by aid of the hollow fiber reverse osmosis membrane, is provided with electricity through wind power generation, and achieves diversification of system driving energy. The multi-energy complementally driven dehumidification air-conditioning system can meet architectural indoor dehumidification requirements in high-humidity seasons such as the spring and the summer, can supply heat to the buildings in summer, is especially suitable for being used in moist areas with cold winter and hot summer, and has remarkable social benefit and economic benefit.

To overcome the defects in prior art, in this invention, constructing a basic decision tree; then, in pruning stage, building LRM for every node, while eliminating some sub-trees to prevent over fitting; finally, reducing the nonlinearity on model fragmenting points as small sample with smoothing process to obtain the correlation model and the express prediction system. Wherein, the key lies on that it introduces the M5' model into the prediction process.

The invention discloses a quick and intelligent defective optical lens detection device and method. The detection device comprises a camera, an image analysis unit and a liquid crystal display panel which are sequentially connected. The method includes the following detection steps that optical lenses to be detected are placed on the liquid crystal display panel and background light of the liquid crystal display panel enters a camera head of the camera through the optical lenses; acquired images are output to the image analysis unit through the camera and segmented through the image analysis unit, and therefore sub-images corresponding to all the lenses are acquired; the image analysis unit compares the sub-images with a standard image corresponding to a standard lens for identification, and identification results indicating whether the lenses are defective or not are acquired and reflected through colors in the regions, corresponding to the lenses, on the liquid crystal display panel. By the adoption of the device and method, batch detection can be achieved, detection efficiency is high, and the results are objective and accurate.

The invention discloses a confining pressure hydraulic fracturing experiment device and a use method thereof, and relates to samples. The confining pressure hydraulic fracturing experiment device comprises a confining pressure device and a collecting device, wherein the collecting device is used for collecting information related to events when the events of the samples occur. The confining pressure device comprises a pressure bearing shaft, an end cover, a cavity forming a sealing space with the end cover, an exhaust valve, a first water injection valve, a second water injection valve, a third water injection valve, a vacuum pump, a pressure transmitter, a water pump and a water injection pipe. The collecting device comprises an acoustic emission sensor, a sound receiver, a stress-strain piece and a stress-strain instrument. According to the confining pressure hydraulic fracturing experiment device and the use method thereof, the shortcoming that cracks can not be located in the prior art is overcome, and man-made influence existing in a traditional method based on continuum mechanics is avoided; according to the acoustic emission principle and the stress-strain effect, parameters of the fracturing process can be obtained really, the fracturing position can be located, a series of characteristics of wave forms and frequency released by fracturing can be recorded, and related parameter changing and fracturing laws of hydraulic fracturing of different coal and rock samples under different confining pressure conditions can be simulated.

The invention discloses a measuring and reading device for a water and soil erosion survey pin. The measuring and reading device comprises a movable outer barrel and a guide inner barrel arranged inside, which are in sliding connection, wherein a limiting top cap is arranged above the top end of the guide inner barrel; a back cover is arranged at the bottom end of the guide inner barrel; the guide inner barrel and the movable outer barrel are equal in length; scales are formed in the guide inner barrel; the outer diameter of the guide inner barrel is greater than the outer diameter of the survey cap. The invention further discloses a using method for the measuring and reading device for the water and soil erosion survey pin. The measuring and reading device has the characteristics of being operated outdoors, capable of avoiding artificial interferences, accurate in reading, simple in structure, easy to grasp, low in using cost, reliable in performance, and the like. Compared with the conventional survey pin with the scales, the measuring and reading device can be used for overcoming the defects that the scales on the survey pin are easy to peel off, the rust corrosion is polluted, the reading is difficult, the efficiency is low, the requirements for the survey pin processing process are high, the cost is high, and the like.

The invention discloses a steel sleeve pressing device for hubs, and is applied to the technical field of hub machining equipment. The device comprises a hub conveying system capable of driving the hubs to pass through a steel sleeve premounting station and a steel sleeve pressing station, the steel sleeve premounting station provided with a steel sleeve premounting manipulator for premounting steel sleeves in a steel sleeve storage area onto the hubs, and the steel sleeve pressing station provided with a steel sleeve pressing mechanism for pressing the steel sleeves onto the hubs. During working, the hubs pass through the steel sleeve premounting station and the steel sleeve pressing station in sequence through the hub conveying system; during the period, the steel sleeve premounting manipulator of the steel sleeve premounting station premounts the steel sleeves in the steel sleeve storage area onto the hubs; and the steel sleeve pressing mechanism of the steel sleeve pressing stationpresses the steel sleeves onto the hubs, so that the mounting process of the steel sleeves in bolt holes of the hubs is finished. The device can replace a traditional manual operation mode to preventmanual influence from operators.

The invention belongs to the technical field of material conveyance and particularly relates to a feeding device. The feeding device comprises a machine frame, a fixing mechanism, an overturning mechanism and a conveying device. The fixing end of the fixing mechanism is used for fixing a material to be machined. The overturning end of the overturning mechanism is connected to the fixing mechanism.The conveying device is arranged on the frame, and the overturning mechanism is connected to the conveying device. The overturning mechanism drives the fixing mechanism to switch between the first state and the second state. In the first state, the fixing mechanism receives and fixes the material to be machined, and in the second state, the fixing mechanism drives the material to be machined to be overturned. The conveying device is arranged to drive the overturning mechanism to make the overturned material to be machined move to a machining station of the machining equipment. According to the feeding device, automatic feeding of the material to be machined is achieved, traditional manual operation is changed, and the production efficiency is improved.

The invention relates to a device for detecting pins of a liquid crystal display panel automatically. The device for detecting the pins of the liquid crystal display panel automatically comprises a base plate and air cylinders, wherein positioning columns are fixed to the four corners of the base plate, adjustment screws are connected to the two sides of one end of the bottom surface of the base plate in a threaded mode, a guide rod is arranged between every two adjacent positioning columns in the longitudinal direction, two movable testing plates and two fixed testing plates are arranged between the guide rods on the two sides in a moving and penetrating mode, the two fixed testing plates are arranged between the two movable testing plates, the two the side faces of the two movable testing plates are connected to the air cylinders, the two fixed testing plates are fixed to the guide rods through fastening bolts arranged on the two sides of the fixed testing plates, a testing circuit board is arranged on the side face, near to the corresponding movable testing plate, of each fixed testing plate, a limiting clamping plate is arranged on the upper surface of each fixed testing plate, quantitative labels are arranged on the upper surfaces of the movable testing plates, the number of the quantitative labels corresponds to the number of the pins of the liquid crystal display panel, and the overall width of the quantitative labels corresponds to the overall width of the pins of the liquid crystal display panel. The device for detecting the pins of the liquid crystal display panel automatically is suitable for liquid crystal display panels in different specifications, the visual angle can be adjusted and detected automatically, and detection precision, the detection reliability and the detection timeliness can be improved easily.

The invention belongs to the technical field of textile surface pollen testing, and discloses an apparatus for detecting the pollen adsorptivity index of a textile surface. The apparatus comprises a pollen chamber, a gravity impact pollen removal device and an electron microscope; and a vibrating screen and a roller which are arranged up and down are arranged in the pollen chamber. The gravity impact pollen removal device includes sample brackets, a sample holder and an electromagnetic relay. The invention also discloses a method for detecting the pollen adsorptivity index of the textile surface. The method includes the steps of difficult adsorption property detection and easy shedding property detection. The screen and the roller are used to simulate the pollen floating environment and the movement of pollens autonomously adsorbed by a sample, free fall motion is used to test the difficult adsorption property and the easy peeling property of the pollens on a fabric in order to evaluate the pollen resistance of the sample. The method has the advantages of simplicity in operation, high reproducibility, low cost and good application prospect.

The invention belongs to the related technical field of heat flow coupling topological optimization design, and discloses a micro-channel radiator and a micro-scale topological optimization design method thereof, and the method comprises the following steps: firstly, carrying out the local feature extraction of the micro-channel radiator to obtain a micro-scale unit, taking the micro-scale unit as a design object, and carrying out finite element grid division on the mesoscopic units; and then, based on the finite element grid in the design domain of the micro-scale unit, obtaining a micro-channel topological structure under the micro-scale through a parameterized level set topological optimization method, and arraying the micro-channel topological structure under the micro-scale to obtain the micro-channel radiator. According to the method, the micro-channel radiator is divided into a plurality of micro-scale units, and topological optimization design is carried out by taking the micro-scale units as objects, so that a large number of finite element grid units are prevented from being divided in order to describe small channels during macroscopic design, the calculation overhead is saved, and the calculation efficiency is improved.

The invention relates to a device capable of simultaneously preparing multiple triaxial disturbed soil samples, and belongs to the field of soil engineering testing. The device capable of simultaneously preparing the multiple triaxial disturbed soil samples comprises a die forming frame (1), a jack (2), a base plate (3), sample loading devices (4), fixed pistons (5), size troughs (6) and a size snap-gauge (7), wherein the jack (2) is arranged on the lower part of the die forming frame (1); the base plate (3) is arranged on the jack (2); the sample loading devices (4) are respectively placed inupper groove of the base plate (3); the fixed pistons (5) are fixed on the upper part of the die forming frame (1); the size troughs (6) are placed on a left frame rod and a right frame rod of the die forming frame (1); the size snap-gauge (7) is placed in the size troughs (6). The device has the advantages of simple structure and convenience in operation, working efficiency and sample making quality are improved through a semi-mechanization operation, human impact factors are avoided, and the device is suitable for all soil types of which the specimen particle size is smaller than 2cm.

The invention discloses a girdling device based on agricultural planting maintenance and a using method of the girdling device, and belongs to the technical field of agricultural planting auxiliary devices. The girdling device based on the agricultural planting maintenance comprises a first fixing plate, a second fixing plate, a fixing assembly and a girdling assembly, wherein an air cylinder is connected between the first fixing plate and the second fixing plate; the fixing assembly is connected to the inner walls of the first fixing plate and the second fixing plate; a second supporting plate is slidably connected to the bottom wall of the fixing assembly; and the second supporting plate is connected with the girdling assembly through a connecting plate, a transmission assembly is connected to the bottom wall of the second supporting plate, a gear ring is arranged on the outer wall of the fixing assembly and connected with the output end of the transmission assembly, a material collecting barrel is further arranged at the bottom of the transmission box, and a crushing assembly is arranged in the material collecting barrel. The girdling device can effectively improve the stabilityperformance in the girdling process of fruit trees, improves the girdling effect of the fruit trees, can automatically rotate for girdling, reduces the labor intensity, and improves the girdling efficiency.

The invention relates to a malicious software detection method and device, electronic equipment and a computer readable medium. The method comprises the following steps: obtaining target software to be detected; converting the target software into at least one grayscale image; inputting the at least one gray level image into a malicious software recognition model, generating at least one malicious software probability, wherein the malicious software recognition model is generated through training of a convolutional neural network model; when the at least one malicious software probability meets a preset strategy, determining that the target software is malicious software. According to the malicious software detection method and device, the electronic equipment and the computer readable medium, the knowledge reserve requirement for personnel during malicious software detection can be reduced, human influence is avoided, malicious software is automatically detected, and the detection efficiency and accuracy are improved.

The invention discloses a method and system for detecting automobile exhaust gas based on combination of a Bluetooth and an OBD. The method comprises the steps that: a detection APP of an intelligentterminal is connected with a vehicle OBD and a Bluetooth of an exhaust gas analyzer to obtain vehicle information through the vehicle OBD; the vehicle information is verified; appearance detection, oil temperature detection and two-speed idle exhaust gas detection are executed in order by a detector through the exhaust gas analyzer; a detection result is obtained and uploaded to a cloud server, adetection report is printed, and a maintenance recommendation is fed back. The method and system for detecting automobile exhaust gas based on combination of the Bluetooth and the OBD only need to input vehicle information once to reduce the device quantity and the complex degree on the detection line, achieve cloud information sharing and avoid a complex flow of human paper audit.

The embodiment of the invention provides a skull detection method and device. According to the embodiment of the invention, the method comprises the steps: inputting a three-dimensional brain image ofa detected object into a trained first neural network model; carrying out brain tissue segmentation on the three-dimensional brain image by the first neural network model; obtaining segmented images,inputting the segmented image into a trained second neural network model, so as to enable the second neural network model to identify the position information of each preset skull key point from thesegmented image, identifying the target area according to the position information of the key points. The skull detection method and device can automatically determine the target area, avoid human influence, and improve the positioning accuracy of intracranial lesions and other areas.

The invention discloses a rotating disc type cigarette inserting device for detecting cigarette ends. The rotating disc type cigarette inserting device comprises a multichannel rotating disc, a fixeddisc, a pneumatic connector arranged on the fixed disc, a retainer, a supporting seat, a retainer base, a stepping motor, a coding disc and a photoelectric switch for position detection, wherein a rotating disc flange is mounted on the retainer; a plurality of sample inserting holes are circumferentially arranged on the multichannel rotating disc; the rotating disc is arranged on the rotating discflange through a flange pressing knob; the multichannel rotating disc and the fixed disc are tightly laminated together and a sealing structure is arranged at the pneumatic connector and the sample inserting holes; when the multichannel rotating disc drives a sample to rotate to the position of the pneumatic connector and is coaxial with the pneumatic connector, a suction channel is connected; the stepping motor is started for transmission to drive the multichannel rotating disc to rotate; the rotating angle of the steeping motor is controlled by the coding disc and the photoelectric switch for the position detection. The device disclosed by the invention provides conditions for an inserting mode and smoking process of cigarette samples in the testing process; human influence is overcomeand the detecting efficiency is improved.

The invention discloses an aircraft surface pressure sensor testing device and method. The aircraft surface pressure sensor testing device comprises an aircraft body, a pressure sensor, an airborne telemetering system, a ground telemetering system, a ground testing system, a pressure loading device, a standard barometer and a stopwatch timer. The standard barometer measures ambient atmospheric pressure; the ground testing system powers up the aircraft body and sets an aircraft testing mode; the ground telemetering system receives aircraft telemetering data and records a measurement value of the surface pressure sensor; whether the measurement data is normal or not is judged; a rated pressure output value of the pressure loading device is set, a loading experiment is carried out on the surface pressure sensor, a sensor measurement value at the beginning of loading of the surface pressure sensor and a sensor measurement value at the end of loading are recorded, loading time is recorded by using the stopwatch timer, and fault diagnosis is carried out on the surface pressure sensor. A preliminary diagnosis rule of sensor fault information is given, and a convenient and rapid surface pressure sensor function test can be realized.

The invention discloses a method for identifying types of freight transport stations. The method comprises the four steps that remaining event data in the stations is collected, the POI type of remaining point data in the stations is parsed, a theme model is trained based on LDA, and the types of the stations are predicted based on the model. According to the method, the types of the stations canbe quickly identified in batch, and the cost of manual marking is greatly lowered; the method can help logistics enterprises to conduct fine aging management on the stations of different types; according to hundreds of thousands of stations in a system and real truck remaining data, in combination with an LDA model, data is accumulated and the model is optimized continuously to increase the identification accuracy rate, and many man-made influence factors of manual marking are solved.

The invention discloses a method for determining powdery mildew resistance of miniature rosa chinensis. The method comprises the steps of (1) preparing powdery mildew pathogen carriers; (2) preparing test cultivar groups; (3) arranging test units; (4) evaluating the resistance. According to the method for determining the powdery mildew resistance of the miniature rosa chinensis, determination is conducted in a plastic greenhouse, the powdery mildew pathogen carriers are set, and artificial inoculation is not required; environmental conditions which are relatively stable and beneficial to development and progression of powdery mildew are built, so that the powdery mildew resistance of the miniature rosa chinensis can be shown fully, and the phenomenon that test results are influenced due to influence of differences of weather conditions and pathogen inoculation methods on powdery mildew infection degrees of the miniature rosa chinensis is avoided; relative susceptible indexes can reflect the powdery mildew resistance of the miniature rosa chinensis objectively, and man-made influence caused by a disease classification method when disease indexes are used for evaluating the disease resistance is avoided. The method for determining the powdery mildew resistance of the miniature rosa chinensis can satisfy inducing conditions of the powdery mildew fully, conforms to production reality, is simple and easy to implement and is high in practical application value in cultivation and breeding of the miniature rosa chinensis.

The invention discloses a statistical device for applied mathematics. The statistical device comprises a box body (1) and a base (2), the box body (1) is connected with the base (2) through a supporting column (3), a plurality of cams (4) capable of freely rotating are arranged on the inner bottom face of the box body (1), a plurality of ball outlet holes (5) are formed in the bottom of the box body (1), and a collecting pipe (6) is arranged under the ball outlet holes (5). The device is simple in structure, automatic and efficient experiments are achieved, artificial influences are avoided, and randomness is improved.

The invention relates to a double-plate internal solitary wave making device and method. The device is characterized by comprising a density stratification water groove, an upper pushing plate, a lower pushing plate, two sets of transmission mechanisms and a control terminal, wherein the upper and the lower pushing plates are arranged on the cross section of the water groove; the widths of the upper and the lower pushing plates are equal to the width of the water groove; the two sets of transmission mechanisms are connected with the upper pushing plate and the lower pushing plate respectivelyand are controlled by the control terminal; and the control terminal is used for driving the upper and the lower pushing plates to move reversely and horizontally with respective speed, acceleration and travel by changing the transmission ways of the transmission mechanisms. By adopting the device and the method, parameters such as waveforms, amplitudes, wave widths and the like of the internal solitary waves can be controlled, the controllability of the waveform parameter is realized, and the repeat of the internal solitary waves of the same waveform becomes probable.