95results about How to "Easy to analyze and judge" patented technology

The invention discloses a method and a device for testing the speed of a servo motor during low-speed running. The device for testing the speed of the servo motor during low-speed running comprises a pulsed filter, a programmable logic controller, a digital signal processor and a storage. The method for testing the speed of the servo motor during low-speed running comprises the following steps of: setting parameters of the device by using upper computer software, performing frequency or period method (M / T method) speed testing on a pulse generator (PG) fractional frequency pulse of a servo driver by using a testing device, and processing multiple batches of data, and after data is screened, displaying by using the upper computer software for analysis. By using the method and the device, the low speed of the motor can be detected independently and accurately; and through visual display of an upper computer, the low-speed running condition of the motor can be analyzed conveniently, and the device for testing the speed of the servo motor can be used as a third-party testing device to meet the servo low-speed performance test requirements.

The invention discloses a data uploading method for an air conditioning unit. The data uploading method comprises the following steps: acquiring an operating state of the air conditioning unit when the current access network of the air conditioning unit is a mobile data network and the data uploading mode is a regular uploading mode; when the operating state of the air conditioning unit is a normal state, determining the network state of the current mobile data network as an idle state; and when the mobile data network is in the idle state, uploading current operating data of the air conditioning unit to a cloud server at an interval of a second preset time length. The invention further discloses a data uploading device for the air conditioning unit. According to the data uploading method and the data uploading device, the air conditioning unit can upload the operating data at the interval of the second preset time length when the mobile data network is in the idle state; and on the premise of not increasing the cost for data interaction of the cloud server, the data uploading frequency of the air conditioning unit is increased, so that the efficiency of the air conditioning unit for uploading the data is improved.

The invention belongs to the technical field of machine tool, in particular, relates to an embedded service function data acquisition unit of a numerical control system. Working operation and status signal are collected by utilizing PP72 / 45 interface to lead out a switch quantity signal, based on analysis of data interface feature of Simens802D numerical control system. The requirements of serial communication of single-chip are met by the switch quantity signal with a serial level changer. An AT89S52 single-chip of ATMEL Company is used as smallest system pattern to finish the signal acquisition. The data output is realized with a serial port of the single-chip and a PC serial port. The invention develops the embedded service system, encapsulates the collected data into equipment services and sends to network as WEB mode, and users can test and evaluate the equipments by accessing the services. The economical numerical control system provided by the invention has function of remote diagnosis, and maintenance efficiency of the equipment system is promoted.

The invention discloses an automatic thickness gauge and an automatic thickness measuring system which can continuously and automatically measure the thicknesses of coating products and other test samples according to the testing needs of a production process. The invention has the significant characteristics of small size, compact structure, adjustable steps of an object to be tested, high precision, high efficiency and convenience in operation and adopts a measurement sample automatic advancing driving system, so that the advancing speed of a sample is 10mm / s, the testing efficiency is greatly improved, a continuous high-efficiency testing requirement can be fully met, a unique design protects the measurement sample from the pollution of dust when advancing, and the accuracy and the reliability of a measurement result are better ensured; and the invention is very simple and convenient to operate, a whole measurement process is automatically completed only by slightly pressing a button, so that the interference of human factors is avoided, the labor intensity is reduced, and the working efficiency is improved.

The invention provides an intelligent interactive detection apparatus for detection on an electric energy meter. On the basis of original parallel communication, an intelligent interactive detection apparatus is installed addedly at a side of each epi-position. The detection apparatus comprises an apparatus panel and a control circuit board. The apparatus panel is composed of a liquid crystal screen and a button. And the control circuit board is composed of a master control unit, a communication unit, a power supply unit, a liquid crystal display unit and a button unit; the master control unit is respectively electrically connected with the communication unit, the button unit, the liquid crystal unit, and the power supply unit; and the communication unit is connected with an upper computer. Besides, the liquid crystal unit is connected with the liquid crystal screen; and the button unit is connected with the button. According to the invention, automatic detection can be realized and a detection efficiency is improved; misoperation caused by simultaneous display of a plurality of ammeters on an upper computer display can be effectively avoided, thereby improving an accuracy of a detection result; meanwhile, a function for recording an ammeter display content that does not meet a detection requirement is provided, so that it is convenient for detection personnel to analyze and determine an execution state of an ammeter and for an ammeter to detect storage of an original record.

The invention discloses a method and device for displaying error correction information on a front-end page. The invention relates to the technical field of data processing, provides great conveniencefor a user to execute a review operation on intelligent error correction, and adopts the main technical scheme that after an operation of putting a judgment document into a rich text editor in a webpage document format is detected, a request for executing error correction on the judgment document is sent to a background; receiving an error point fed back by the background and an error correctionlabel corresponding to the error point, the error correction label at least comprising error correction reason information and correction information; acquiring position information of the error pointon the judgment document; establishing a mapping relationship between the position information and the error correction tags corresponding to the error points; and when an operation of clicking the error correction label is received, displaying the error point at the position corresponding to the position information and the error correction label on the front-end page according to the position information having the mapping relationship with the error correction label. The method and the device are mainly used for intelligent error correction execution review of judgment documents.

The invention provides a preparation method for a TEM sample. The preparation method at least comprises the following steps: providing a semiconductor structure, wherein the semiconductor structure includes a target detection area which comprises, from bottom to top, a first target layer, a narrow gap and a second target layer; forming a through hole in the part of the semiconductor structure located at at least one side of the target detection area; depositing a metal connection layer used for connection of the first target layer and the second target layer on the sidewall of the target detection area; separating the target detection area; and taking out the target detection area, fixing the target detection area on a TEM fixed part and removing the metal connection layer. According to the invention, through deposition of the metal connection layer on the sidewall of the target detection area, positional movement of the first target layer and the second target layer due to existence of the narrow gap between the first target layer and the second target layer during cutting of the sample is avoided, and the target detection area can be conveniently taken out from a semiconductor device after cutting.

The invention belongs to the technical field of precision detection and processing, and particularly relates to a casting cabin section processing method based on precision detection technology. According to the method, high-precision detection methods such as laser detection and on-line detection are used before processing, the conditions such as the allowance and the defective number of a complex cast part are mastered, compared with a correction feature point allowance median fetching method adopted in a conventional alignment method, since allowance data of all positions are considered, the machining accuracy of the part can be guaranteed, and a relatively reliable machining standard can be obtained. In practical application, the method is used for marking and correction, the deviationis generally small, the subsequent processing can be met, and the quantity borrowing adjustment step is not used. The method of directly marking according to scanning data to establish reference processing is adopted, and analysis and judgment are facilitated; and compared with the method of repairing the standard by using a standard block, processing time is shortened, occupation of the equipment is reduced, and the method is a relatively fast processing method.

The embodiment of the invention discloses a distribution transformer winding material detection method.The method comprises the steps of objective function determination, optimal solution acquisition and quantitative investigation, wherein in the step of objective function determination, transformer design parameters and external characteristic parameters are considered; in the step of optimal solution acquisition, a correlation function of the external characteristic of the detected transformer serves as an optimization objective, completely same constraint conditions and fitness functions are adopted, the winding material adopts copper wires and aluminum wires for design respectively, transformer design is optimized by applying a genetic algorithm, and an optimal solution WCu and an optimal solution WAl of a W-Cu initial population and a W-Al initial population are solved respectively; in the step of quantitative investigation, quantitative representation is conducted through the distance from an actual measurement point Wm of the detected transformer to the consideration weight coefficient of the optimal solution WCu and the optimal solution WAl, the probability value of the detected transformer belonging to a copper winding transformer or an aluminum winding transformer is obtained, and convenient, rapid and accurate analytical judgment on the detected transformer winding material is achieved.

The invention discloses a test and diagnosis device for an electric control system of a hydraulic retarder. The test and diagnosis device comprises a central processing module, a man-machine interface module, an interface module, a signal selection module and a CAN (controller area network) communication module, wherein the signal selection module is connected with the interface module, the CAN communication module and the central processing module; the interface module and the CAN communication module are both connected with the central processing module; the central processing module is connected with the man-machine interface module; the signal selection module is connected with peripheral devices of a whole-vehicle system and an electronic control device of the hydraulic retarder; and the peripheral devices of the whole-vehicle system comprise a vehicle signal instruction device, a vehicle signal indication device, a CAN bus, a peripheral device executor, a peripheral device instruction device, a peripheral device indication device and a peripheral device sensor. The test and diagnosis device can be used for manually or automatically testing the electric control system of the hydraulic retarder, and has the characteristics of accurate data acquisition and calculation, small error, simplified operation and manpower saving.

The invention provides a geological cataloging method for a small cross-section exploration adit based on three-dimensional laser scanning. The method comprises the following steps of 1) determining the scanner operation mode and the scanning stationing position; 2) obtaining the point cloud data and the image information of the inner wall surface of the adit with the three-dimensional laser scanner; 3) converting the acquired point cloud data and manufacturing the true orthophoto image of the cavity; 4) performing the digital information cataloging work to get the geological catalog of the adit; and 5) performing visualized operation of the geological catalog of the adit. The method effectively solves the problems of poor data reliability, low precision, low efficiency and failure in visualization in the process of geological cataloging for the small cross-section exploration adit.

The invention belongs to the technical field of quantum private communication and provides a test and verification device for key apparatuses in a QKD (quantum key distribution) system. The device comprises a QKD system sender and a QKD system receiver, and the sender and the receiver are connected through an optical fiber. The device is characterized in that a key agreement module, a classical communication interface, a quantum optical system, a data display and man-machine interaction module and a data analysis module are arranged in each of the sender and receiver, and the data display and man-machine interaction modules are used for setting test parameters of each key apparatus, sending test data collected in the test process to the data analysis modules and displaying and outputting test results obtained by the data analysis module. The test data are calculated and analyzed through the data analysis modules to obtain correlation among the test parameters of the key apparatuses, and reliability and credibility of test conclusion are improved.

The invention provides an artificial intelligence cervical cancer screening determination method and device. The artificial intelligence cervical cancer screening determination method includes the steps: obtaining first user information; obtaining a first medical record according to the first user information; obtaining pre-diagnosis information of the first user, wherein the pre-diagnosis information includes cervical cancer information; obtaining the menopause date of the user according to the first medical record; determining whether the menopause date satisfies a first predetermined condition; obtaining a first result when the first predetermined condition is satisfied; and determining a second result based on the pre-diagnosis information and the first result, wherein the second result represents the probability of suffering from cervical cancer for the first user. The artificial intelligence cervical cancer screening determination method solves the technical problems that in theprior art, manual detection is required, and many factors that are subject to human influence exist, and the medical data of the patient is fragmented, thus being not conducive to data analysis. The artificial intelligence cervical cancer screening determination method achieves system integration of the patient data, thus being beneficial to management analysis, and the analysis process is completed automatically, without human factors, thus achieving technical effect with higher reliability.

The invention provides a monitoring and early warning system applied to a bridge. The system comprises a power supply module, a force collection and analysis module, a GPRS gateway, a remote monitoring center, a communication gateway and a bridge repair server. The power supply module comprises a city power supply, a transformer and a voltage stabilizer. The output end of the city power supply is connected with the input end of the voltage stabilizer through the voltage stabilizer. The output end of the voltage stabilizer is connected with the input end of the force collection and analysis module. According to the monitoring and early warning system applied to the bridge, data collected in real time from all parts of the bridge are conveniently summarized and analyzed; the analysis result is accurate; the probability of false alarms can be reduced; when the stress on one or more places of the bridge is too large, the system automatically carries out on-site alarm and remote alarm, can be timely maintained, and is convenient, simple and practical; and the monitoring and early warning system applied to the bridge has the effect of double storage, which improves the safety of data storage.

A method and system for detecting an operating state of a cargo conveying apparatus is provided, wherein that method includes: obtaining a series of successive image of a cargo conveying plane of thecargo conveying apparatus during operation; Identifying a distribution state of the cargo on the cargo transport plane according to the series of consecutive images; And when the cargo coverage ratioon the cargo transport plane is larger than the set value, judging the equipment abnormality and sending out the warning information. The method can detect the distribution of goods on the freight transport platform in real time, judge whether the goods are piled up according to the coverage rate of the goods, and timely and effectively warn when the equipment is abnormal.

The invention belongs to the field of engineering measurement, and discloses a sounding pipe bending phenomenon recognition method for a foundation pile detection acoustic transmission method. The sounding pipe bending phenomenon recognition method comprises the following steps: by using a low-pass acquisition and broadband response and receiving technique, sequentially measuring real-time acoustic signals of different points of a longitudinal cross section so as to obtain a full cross section wave velocity variation diagram; performing Fourier transform on the acoustic signals so as to obtain a full cross section acoustic signal frequency domain diagram; calculating estimated characteristic frequencies of different points according to the wave velocity variation diagram and designed pile diameters; finding actual characteristic frequencies near the estimated characteristic frequencies of different points to the measured in the full cross section acoustic signal frequency domain diagram; and if the actual wave velocity of one area in the wave velocity variation diagram is remarkably deviated from a normal value, and the characteristic frequencies in the acoustic signal frequency domain diagram are still approximate to the estimated characteristic frequencies, determining that the area belongs to sounding pipe bending and is unrelated to foundation pipe quality. By adopting the sounding pipe bending phenomenon recognition method, problems which are hard to solve by using a conventional acoustic transmission method and are caused by pipe bending effects can be effectively solved, and engineering loss which can be caused by incorrect judgment and mal-judgment can be avoided.

The invention relates to an intake manifold performance detection device and detection method. The intake manifold performance detection device comprises a pressure stabilizing cavity with the inner portion being provided with a hollow cavity and a manifold connecting plate which is fixedly arranged outside the pressure stabilizing cavity. The manifold connecting plate is provided with connecting holes which are connected with an intake manifold and are communicated with the hollow cavity. The manifold connecting plate is provided with control valves which conduct opening and closing control over the connecting holes and an air outlet pipe which is fixedly arranged outside the pressure stabilizing cavity and is communicated with the hollow cavity. A vortex generating device, a vortex momentum gage, a flow gage and a gas exhausting device are arranged inside the air outlet pipe, wherein the vortex generating device converts gas flowing out of the pressure stabilizing cavity into vortexes, the vortex momentum gage and the flow gage are used for detecting the intensity and the flow of the vortexes respectively, and the gas exhausting device is fixedly connected at the free end of the air outlet pipe. By means of the intake manifold performance detection device, the influence of various branch pipes of the intake manifold on airflow of cylinders can be detected, theoretical analysis and actual tests of the intake manifold are combined, and therefore reasonable and accurate evaluation can be achieved for the performance of the intake manifold.

The invention discloses a positioning method and devices for wireless network problem areas, relates to the technical field of wireless network communication and is used for rapidly positioning the problem areas and providing index data of the problem areas. The method comprises the steps of obtaining sample data of samples, wherein the sample data comprises coordinates, reference signal receivedpowers (RSRPs) of corresponding master serving cells, and the RSRPs of the other cells except for the master serving cells in a communication network; dividing the samples into pre-segmented subareasaccording to the coordinates of the samples, wherein the subareas are formed by segmenting to-be-tested areas according to area features, and location information of the subareas is represented through utilization of electronic frames comprising a plurality of coordinate points; computing a proportion of target samples in each subarea, wherein the target samples comprise weak coverage samples andoverlapping coverage samples; and determining problem subareas according to the proportions of the target samples.

The invention discloses a double-injection double-seal pressure-display memory type single hydraulic prop, which belongs to the technical field of hydraulic props. A multi-purpose valve seat (27) for assembling a multi-purpose valve (29) is additionally arranged on a middle upper part of a middle cylinder (32), and a plunger liquid passing hole (35) is arranged on a plunger body above a plunger piston (38); two sealing rings are respectively arranged on each sliding sealing part of the prop; and a pressure-display meter (29-1) with a memory function is arranged on the multi-purpose valve (29) or on a handle body (9) and the multi-purpose valve seat (27). Even if the outer surface of the middle cylinder or the plunger is damaged to cause failure in seal, the prop can be used normally; liquid leakage is avoided under the condition that an axial continuous damaged length of a seal surface does not exceed a double-seal clearance range; and the pressure change and the liquid leakage of the prop can be observed and known timely, so that problems can be found and solved conveniently in time, and the safety of prop supporting is improved.

The invention discloses a smart single-phase air switch with the early warning function. The smart single-phase air switch comprises a single-phase air switch body having a live-zero-wire double-wirestructure, an electric signal acquisition module and an MCU intelligent control module including a measurement sub-module. The electric signal acquisition module collects a voltage vector value, a current vector value, and a residual current vector value; and the collected values are sent to the MCU intelligent control module through a measuring acquisition module. A calculation subroutine module,a sudden change processing module, and an early warning logic module are arranged in the MCU intelligent control module based on programs; the calculation subroutine module carries out calculation toobtain an insulation conductance value and a resistive residual current value and sends the values to the sudden change processing module; time integration processing is carried out and then the processed values are sent to the early warning logic module; the sudden change processing module obtains sudden-change time-period integral parameters of the insulation conductance and the resistive residual current and then sends the parameters to the early warning logic module; and the early warning logic module carries out potential safety hazard determination.

The invention provides an automatic garbage collection device and an automatic garbage collection method, which relate to the garbage treatment technical field. The automatic garbage collection devicecomprises a bearing platform, a manipulator, a recycling box, a signal receiving element and a control element; The signal receiving element is used for receiving a signal from the intelligent garbage can and transmitting the signal to the control element, and analyzing and judging whether the garbage can needs to be replaced or not through the control element. When the control element judges that the garbage can be replaced, the bearing platform moves to the vicinity of the intelligent garbage can, the clean garbage can clamped by the first clamping end of the manipulator is exchanged with the dirty garbage can clamped by the second clamping end, the garbage in the dirty garbage can is dumped into the recycling box, and the dirty garbage can is arranged on the bearing platform; When thecontrol element determines that the garbage can is not replaced, the bearing platform proceeds. An automatic garbage collection method is based on the automatic garbage collection apparatus. The problem that the dirty trash can can't be treated is solved.

The invention relates to the technical field of vehicle testing, and particularly discloses an intelligent automobile visual sensor testing method based on a site testing technology, which comprises the following steps: S1, setting visual sensor perception capability testing evaluation parameters; S2, building a closed site test environment; setting test equipment in the test field; wherein the test equipment is used for recording the motion state, the target object parameters and the video data in the test process; S3, carrying out testing in the built closed field, and carrying out time synchronization and format synchronization on the vehicle motion state, wherein the target object parameters and the video data recorded in the testing process to serve as test true values; and S4, obtaining a measurement value from the visual sensor to be measured, performing time synchronization and format synchronization on the measurement value, judging whether the measurement of the visual sensoris accurate or not based on the test true value and the measurement value after time synchronization and format synchronization, and outputting a judgment result. By adopting the technical scheme, the recognition accuracy of the visual sensor can be effectively judged.

The invention discloses a wind generation set impeller imbalance detection method based on a stator current envelope spectrum. The wind generation set impeller imbalance detection method comprises thefollowing steps that a stator current signal is collected; the collected electric generator stator current signal is processed; a sample database is constructed; a neural network model is built; a detection database is constructed; sample data are transmitted, and recognition judgment is conducted; and results are output. Through the convolutional neural network model and a Hilbert demodulation method, stator current envelope spectrum data extraction and fault feature learning are conducted in the operating of a wind power unit, fault features can be adaptively captured from the signal, uncertainty interference caused by environmental noise, fluctuations and manual judgment errors is avoided, and high recognition accuracy is achieved; and meanwhile, an additional sensor does not need to be mounted for data acquisition, thus the testing cost is lowered, data acquisition is little in environmental impact and high in accuracy, troubles caused by natural environment factors to model judgment can be effectively avoided, and the wind generation set impeller imbalance detection method is suitable for the conditions such as the complex operating situation of the wind power unit.

The invention relates to the technical field of employee allocation, and further discloses an employee allocation method for multi-skill training. The method comprises the following steps of 1 constructing a target and allocating the management tasks, collecting the employee information, establishing an employee data center, and introducing the employee information; 2, constructing the managementequipment, employing the employee concentration patterns, and realizing the employee information data acquisition and service range and employee data center data sharing; 3, establishing a database, loading the initial basic information of the employees, and obtaining and integrating the actual process of the daily work flow of the employees; 4, formulating an employee allocation implementation scheme, integrating the employee information, the business range and the actual work development requirement, and continuously establishing a database of the thematic application. According to the employee allocation method for multi-skill training, the working positions of the personnel can be reasonably and efficiently allocated, the working intensity of a leader can be effectively reduced, and the manpower resources are efficiently utilized.

The invention belongs to the field of engineering measurement and discloses a longitudinal section equivalent pile diameter calculation method for a foundation pile detection acoustic transmission method. The longitudinal section equivalent pile diameter calculation method comprises the following steps: measuring a real-time acoustic signal of each point of a section in sequence by adopting a low-pass acquisition technology and a wide frequency band receiving technology, so as to obtain a section wave velocity change diagram; carrying out Fourier transformation to obtain a section acoustic signal frequency spectrum diagram; calculating pre-estimated characteristic frequency of each point according to the wave velocity change diagram and a designed pile diameter; searching actual characteristic frequency close to the pre-estimated characteristic frequency of each point to be detected from the frequency spectrum diagram; calculating the pile diameter of each measured point of the section according to the section wave velocity change diagram and an actual characteristic frequency marking diagram, so as to obtain a pile diameter change diagram of each measured point of the section; comparing and averaging the pile diameters obtained by different measuring lines on the same cross section, so as to obtain an average equivalent pile diameter of the section; constructing a new section equivalent pile diameter change diagram and drawing an equivalent pile diameter depth-dependent change curve. By adopting the method provided by the invention, the vacancy of pile diameter detection of a concrete grouting pile in a pile foundation detection industry is made up.

The invention provides a three-dimensional urban road drainage safety online monitoring and early warning system. The system comprises a management platform, manhole cover condition monitoring equipment, liquid level monitoring equipment under an inspection well, gas monitoring equipment under the inspection well, and surface gathered water detection equipment. Investigation of an abnormal condition of the inspection well can be improved, and data collection of the inspection well which has an abnormal condition can be increased so that work efficiency is improved and the abnormal condition can be conveniently checked. Through big data analysis, the abnormal reason of the inspection well can be determined so as to make abnormal inspection and elimination strategies in advance and increaseabnormity elimination efficiency.

The invention discloses a household management system based on the wireless sensing network. The system includes a camera, an image identification module, a comparison unit, a database, a display screen, a controller, a detection module, a data analysis module, an alarm unit, a smart device, a sub controller and an execution unit, wherein the camera is used for monitoring the indoor situation in real time, automatically acquiring the image information and transmitting the automatically acquired image information to the image identification module, the image identification module is used for receiving the image information transmitted by the camera and identifying the image information, the image identification module is used for transmitting the identified image information to the comparison unit, and the data information is stored in the database. The system is advantaged in that through the comparison result of the comparison unit, the temperature range information of an object in the database is acquired, the temperature range information is compared with the detected temperature, analysis and determination of the data analysis module are facilitated, the time is saved, and workefficiency is improved.

The invention provides a transformer online monitoring system based on the Internet of Things. The system comprises transformer online monitoring devices and an Internet-of-Things server, wherein onetransformer online monitoring device is installed one each transformer, the transformer online monitoring devices are connected with the Internet-of-Things server, the Internet-of-Things server is connected with a mobile terminal, a data processing module, an alarm system and a storage module are arranged in the Internet-of-Things server, and the data processing module comprises a data judgment module. The data processing method of the data processing module comprises the steps that 1, the data judgment module acquires the temperature a of a current winding and the temperature b of an oil surface; and 2, the data judgment module makes judgment on the temperature a of the winding and the temperature b of the oil surface and makes determination to give an alarm and change font colors of datastrips describing relevant data of the transformers. Through the system, a real-time online monitoring function is achieved; and the system has the advantages that the operation steps are simple, abnormal data strips are striking, and the formed data strips are convenient to judge and study by operation inspection personnel.

The invention relates to the technical field of lamp testing, and aims to provide a DMX lamp power-on self-test system. The DMX lamp power-on self-test system comprises a lamp detection device, the lamp detection device is connected with a to-be-detected lamp and further connected with a camera, the lamp detection device is controlled to output a DMX signal to the to-be-detected lamp, the to-be-detected lamp is driven to work, the camera collects working image information of the to-be-detected lamp and transmits the collected working image information of the to-be-detected lamp into the lamp detection device, the lamp detection device receives the working image information of the to-be-detected lamp and compares the working image information with an image preset threshold range, and when the received working image information of the to-be-detected lamp does not accord with the image preset threshold range, the lamp detection device outputs a current lamp disqualification electric signal. The DMX lamp power-on self-test system has the effects of improving the missing detection condition of DMX lamp detection and improving the detection efficiency.