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 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 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 discloses a portable exhibition showcase which comprises a base, a showcase body and an operation box. An installation hole is fixed in the surface of the base. A rotating shaft is fixedly installed at the upper end of the base through the installation hole. A rotating groove is installed on the surface of the rotating shaft. The outer side of the rotating shaft is connected with the showcase body through the rotating groove in a sliding mode. A baffle is fixedly installed at the top end of the rotating shaft. A storage box and a storage battery are fixedly installed on the two sides of the rotating shaft and fixedly installed on the upper surface of the base. The operation box is fixedly installed above the right end of the base and fixedly installed on the base through a supporting column. A display screen is installed in the operation box. A voice player is fixedly installed at the lower end of the display screen. A control panel is fixed to the right side of the voice player. The portable exhibition showcase has the advantages of being reasonable in design, novel in structure, convenient to use and good in exhibition effect, products can be exhibited to people in all directions, and propaganda requirements of merchants are met.

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 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 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 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 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 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.