60results about How to "Easy to call directly" patented technology

The invention discloses a permanent magnet synchronous motor control method based on encoder automatic zero set. An improved high-frequency voltage injection method is used for detecting the initial position of a rotor, the initial position of the rotor is clear, voltage vectors can be applied conveniently, and a motor rotor reverse rotating phenomenon is avoided. Meanwhile, encoder zero compensation is carried out automatically, a compensation value is stored, direct calling in the future is convenient, and trouble of manual zero set is removed. Once calibration or zero reset is needed, operation through the method is carried out for one time, an encoder is subjected to accurate zero set again, a process is simple, and accuracy is high. The invention further discloses a control system which achieves the control method. After the initial position of the rotor is obtained through a rotor locating module, a voltage vector closest to the position is chosen to be applied, so that a rotor back-and-forth vibration phenomenon during locating is avoided, a high-frequency voltage signal is injected only before the rotor is located initially, phase lag and time lag cannot be brought to system operation, and noise cannot be introduced during operation.

A remote wireless infrared transponding control system based on cloud infrared code base data is disclosed. The system includes a wireless infrared transponding control device. The wireless infrared transponding control device includes a wireless signal receiving and transmitting module and an infrared transmitting module which are connected to each other. The wireless signal receiving and transmitting module is connected to a memory module, a system press button and an antenna. The infrared transmitting module is connected to an infrared transmitting tube. A power supply module supplies the wireless infrared transponding control device with power. The system is connected to a cloud server memorizing a large amount of infrared code bases through a network. According to the model of an electric appliance, an infrared transponder is controlled by a mobile phone to match a corresponding code base from the cloud server and uploads the code base, thus achieving remote wireless control through the mobile phone. If a cloud code base corresponding to the electric appliance does not exit, infrared codes corresponding to all press buttons on a corresponding remote controller should be learned separately, thus achieving remote wireless control of the electric appliance.

The invention relates to a motor fault diagnosis method and system based on a cavity convolution capsule network, and the method comprises the following steps: (1), obtaining a training sample with alabel, wherein the training sample comprises a motor vibration signal and a corresponding operation state, and the operation state comprises a normal state and a fault type in a fault state; (2) establishing a cavity convolution capsule network, and performing training by using the training sample; and (3) acquiring a to-be-diagnosed motor vibration signal, inputting the to-be-diagnosed motor vibration signal into the trained cavity convolution capsule network, and outputting the operation state of the motor. Compared with the prior art, the method has the advantages that the effective features of the motor signals can be automatically extracted, intelligent fault diagnosis is achieved, the diagnosis accuracy reaches 99% or above, the robustness and generalization ability are high, and theerror recognition rate is remarkably reduced.

The invention discloses a real-time calculation method for steam turbine exhaust enthalpy based on a least squares support vector machine, wherein the steam inlet parameters such as unit load, main steam flow, pressure and temperature, pressure and temperature after regulation stage, steam inlet pressure and temperature of intermediate pressure cylinder are used as input variables; at the same time, the steam exhaust parameters such as pressure and temperature of high pressure cylinder, steam exhaust and temperature of low pressure cylinder and the like are selected as input variables; in addition, the steam extraction parameters such as steam extraction pressure and temperature of an eight-stage regenerative system of the steam turbine are selected as the input variables; a total of 28 parameters are used as the input variables of the least squares support vector machine model; the exhaust steam enthalpy of the low pressure cylinder of the steam turbine is used as the output variableto establish an exhaust enthalpy real-time calculation model of the low pressure cylinder of the steam turbine based on the least squares support vector machine. By training the least squares supportvector machine model, the calculation model of the exhaust enthalpy of the low pressure cylinder of the steam turbine is obtained, which is convenient for real-time call in online monitoring.

The invention discloses an efficient and accurate automatic component insertion machine. The component insertion machine comprises a rack assembly, and a PCB conveying track, a feeding device, a discharging device and a component insertion machine head which are arranged on the rack assembly; the feeding device and the discharging device are arranged on the two sides of the PCB conveying track respectively; the component insertion machine head is movably arranged above the PCB conveying track; the PCB conveying track comprises a fixed track assembly and a movable track assembly which are arranged oppositely; an adjustable conveying track is formed between the fixed track assembly and the movable track assembly, and can be applied to the component insertion machining of PCBs with various width specifications, so that the universality of equipment is improved; the component insertion machine head comprises a machine head base and a plurality of component insertion mechanical arms mountedon the machine head base; each component insertion mechanical arm is independently connected with a driving assembly; and each driving assembly comprises a lifting motor, a lifting screw rod, a sliding seat, a rotary motor, a spline shaft sleeve and a spline shaft. Therefore, the running precision of the automatic component insertion machine is higher, the precision of a component insertion action is higher, and the action is quicker and more efficient.

The invention relates to the technical field of automobile electronics and provides a back-up image system with a camera adjustable in angle. The back-up image system mainly comprises a back-up imagecontrol unit, a steering wheel rotating angle sensor, a speed sensor, a gradient sensor, a horizontal adjusting motor, a vertical adjusting motor, a transmission device, the camera, a control panel and a display unit. The back-up image control unit can automatically adjust the heading angle and pitch angle of the camera according to signals detected by the steering wheel rotating angle sensor, thespeed sensor and the gradient sensor, and the heading angle and the pitch angle can also be adjusted manually through the control panel. According to the system, the angle of the camera can be adjusted automatically or manually, a visual blind area of the inner side of a curve during back-up and steering can be reduced, the viewing range of the camera when a car backs up to climb a slope can be enlarged, and the back-up safety is improved. Meanwhile, under a special condition, the system can also be used for observing the scene behind the car and is convenient and practical.

The invention discloses a data stream processing method and system, and belongs to the field of big data processing. The method comprises the following steps: determining one of a plurality of Masternodes as a main node through a Zookeeper cluster; the main node provides an external interface to receive an online request of a service and distributes a task to the service; the main node generatesconfiguration information of the task according to the current state information reported by the Worker nodes and writes the configuration information into a ZooKeeper cluster, and the configuration information comprises information indicating the Worker nodes scheduled to execute the task; and if the Worker node monitors that the task scheduled to the Worker node exists in the ZooKeeper cluster,it starts Flume service to execute. According to the invention, the high availability of the Master node and the Worker node can be realized, the availability of Flume service is improved, and the problems of uneven resource use and waste are avoided; moreover, the online and offline operations of the services can be greatly simplified, and the mutual influence between the services is reduced.

The invention discloses a monitoring system and monitoring method applied to an industrial robot. A data acquisition module is used for acquiring motion state parameters of a six-axis robot and transmitting the motion state parameters to a data processing module, and the data acquisition module comprises a temperature and humidity sensor, a pressure sensor, a vibration sensor, a displacement sensor, a collision sensor, a speed sensor and a touch sensor on each embedded joint shaft of the six-axis robot; and the data processing module is used for comparing and judging the collected real-time motion state parameters with preset related motion state parameters, and uploading the results to a server in real time through a 5G communication module. On the basis of the accurate and high-speed detection of the sensor and the real-time transmission characteristic of the 5G network, monitoring of the whole production operation is accurately and quickly completed, the monitoring efficiency is high, the phenomena of misjudgment and the like are avoided, the labor cost is reduced for enterprises, and the reliability and the safety of the production are greatly improved.

The invention provides a machine room sketch identification method and device based on a legend library, and the method is characterized in that the method comprises the following steps: formulating asketch drawing standard, building a standard legend library, and carrying out the regularization constraint of the drawing of a machine room sketch; obtaining sketch data; performing hierarchical segmentation on the whole image in the machine room sketch to obtain a component diagram of the machine room sketch; performing matching identification by utilizing a standard legend library so as to realize detection and identification of the machine room sketch components; carrying out reasonable position constraint on the machine room sketch component; and performing parameterized output of results. The machine room sketch recognition method and device based on the legend library have the advantages that the standard graph recognition result matched with the input sketch can be output quicklyand accurately in real time, therefore a more visual reference basis is provided for designers to conduct quick design after the designers combine a sketch exploration report.

The invention provides a method for building a Chinese culture element engineering database system, comprising the following steps of: selecting a relational database management system, carrying out digital processing on collected information, storing in a volume element database, obtaining hollowed 2-D graphic information with color separation, storing in a plane element database, vectorizing line element graphic information, and storing in a line element database; combining line element graphic vector information to obtain vectorized plane element vector data, and storing in the plane element database; arranging and combining all vectorized plane element vector data to obtain vectorized volume element vector data, numbering and storing in the volume element database; linking same group of data through numbering; and repeating the steps to obtain multiple groups of data, numbering and storing in the database to obtain a primitive Chinese culture element engineering database system. The invention also provides a Chinese culture element engineering database system built by adopting the method, which comprises a database management module and a database memory module. The invention also provides application of the database system in the manufacture filed of hardware.

The invention aims to provide a method and a device of acquiring application control information. The method includes: acquiring an activity interface of a to-be-tested application according to a predetermined time interval, wherein the activity interface is changed according to user operations simulated by a first test tool; acquiring the control information from the activity interface; and writing the control information into a predetermined file. Compared with the prior art, the solution of intelligently capturing the UI (User Interface) control information of the to-be-tested application provided by the invention solves the problem of low efficiency caused by the need for manually acquiring the interface control information at every turn in the prior art, realizes an objective of quickly, dynamically and flexibly acquiring and managing the interface control information of the to-be-tested application, carries out unified management on the acquired control information in the predetermined file, eliminates the problem of script hard-coding, can grasp, in addition, a change situation in first time when the control information on the UI is changed, and plays a huge role in the context of quick iteration of the mobile app.

The invention provides a method for constructing a Chinese element engineering database system. The method comprises the following steps of: selecting a relational database management system; digitalizing acquired information, and storing into a volume element database; acquiring hollowed-out two-dimensional graphical information by color separation, and storing into a surface element database; storing vectorization line element graphical information into a line element database; combining the vectorization line element graphical information to acquire a vectorization surface element database, and storing into the surface element database; arranging and combining vectorization surface element data to acquire vectorization volume element data; coding, and storing into the volume element database; correlating the same group of data by coding; and repeating the steps to acquire multiple groups of data, coding, and storing into the database to acquire the original Chinese element engineering database system. The invention also provides the Chinese element engineering database system constructed by the method, and the system comprises a database management module and a database storage module. The invention also provides application of the database system in the field of industrial design and manufacturing.

The invention discloses a method for representing a virtual sound of a traffic noise map. The method is an effective supplement for the present traffic noise map display technology. The method specifically comprises the following steps: acquiring noise audio frequency samples for reference distances of different vehicle models at different driving speeds on a practical road in the manner of audio frequency collection; digitally processing the noise audio frequency samples and storing at a background server side of the noise map; acquiring the position information and the noise data of representing points of the virtual sound in a front-end noise map; judging road sections influencing noise values of the representing points of the virtual sound and confirming vehicle model ratio and driving speed information data of the road sections; utilizing a random principle to perform digital audio sound mixing on the noise samples required by the representing points on the background server and converting a digital audio signal into an audio sound mixing file; and calling for and analyzing the audio sound mixing file by the front-end noise map, thereby realizing the virtual representing of the traffic noise. The method used for representing the virtual sound of the traffic noise map can overcome the defect that the traffic noise of the traditional noise map cannot be synchronously displayed.

The present invention relates to a control project design development platform of a multi-field project object model, and discloses an automation system based on an equipment multi-field object model and a design method therefor. A three-dimensional integrated mode of a structure template, an algorithm template and a graphic element template is constructed, and multi-field description model libraries of a basic element, a unit device and industry equipment are constructed stepwise, and an equipment model is established in a reused manner. According to the system and method provided by the present invention, interface design becomes easier for the engineers, so that the engineers can pay more attention to maintaining databases, enhancing software algorithm logic control and shortening the development period, and the engineers are freed of repeated graphic editing, and a large amount of working time is saved for the engineers.

The invention discloses a data development method based on a data center station. The data development method comprises the following steps that S1, a data source library is in butt joint with a target database through an intermediate transmission carrier FlinkX; s2, the FlinkX periodically synchronizes the data in the data source library to a target database, and periodically cleans the data; s3, the data is stored, calculated and converted into a data table, a Spark calculation engine is adopted for calculation of the offline data, and an Flink calculation engine is adopted for calculation of the real-time data; s4, the calculated data table is converted into a data API; and S5, the data middle station issues a data API to an API market through the API gateway, or a user directly calls the data API through the API gateway. Based on the data center station, the data of multiple data sources is synchronized according to the offline data and the real-time data and then converted into the data API, so that the data development time of developers is shortened, the data development threshold is reduced, and the data development efficiency is improved.

A shear-line multi-axis numerical control system based on a P500 controller has a P500 controller, which serves as a hardware carrier of the shear-line multi-axis numerical control system and communicates respectively with a remote input / output module and at least three servo driving units in a high speed through EtherCAT on-site buses. The servo driving units corresponding drive servo motors. The remote input / output module is in communication connection with a digital quantity / analog quantity device and at least three hydraulic execution units to complete data acquisition and accurately positioning of numerical control shafts of a shear line during a production process. The shear-line multi-axis numerical control system comprises a man-machine interface module, a PLC logic processing module, an embedded high-precision real-time system module, a digital shaft motion control module, a synchronous sub-module and a simulated shaft motion control module. The shear-line multi-axis numerical control system has high performance-price ratio, flexible functions and excellent data interaction performance. Precise positioning and process synchronization of a plurality of numerical control shafts on a shear line are realized, and centralized control is achieved.

The invention relates to a single robotic fish behavioral control strategy based on a three-dimensional fuzzy PTP algorithm and belongs to the field of intelligent control technology. The strategy relates to robotic fish ball heading movements, provides a PTP algorithm which faces to division and improvement for ball heading points in different regions, designs behavioral strategies corresponding to different regions and provides a basic behavioral sequence in robotic fish ball heading process. A control algorithm which faces to different regions is adopted to realize a simple task which is to let a robotic fish to head a ball to reach a target point; pool regions are divided specifically according to ball heading points, and ball heading movement behaviors of a robotic fish in corresponding regions are designed. According to the invention, the strategy is used for the robotic fish in complex underwater environments with barriers, noise and the like; three-dimensional fuzzy processing is performed on speed, angle and sampling time, the mode turns to control mode, it is convenient to directly use the robotic fish control mode, algorithm flow is greatly simplified, algorithm complexity is reduced, and the strategy also has advantages of fast data update speed, high precision and good real-time capability.

The invention discloses a memorable and learnable test method and a memorable and learnable test device for a power grid video and environment monitoring system. The method is characterized by comprising the following steps of: configuring a complete test scheme which comprises the steps of adding a necessary test scheme, an existing test scheme and a newly-added test scheme; storing the newly-added test scheme as an execution test scheme of the existing test scheme; and judging the importance degree of the test scheme according to a test result and storing. During a next test, the test sequence of the existing test scheme is based on the importance degree of each scheme. A test scheme which is configured by test personnel can be stored and analyzed, so that memorizing and learning functions are achieved, the test scheme can be directly used conveniently during the next test, test time is saved and test efficiency is improved.

The invention relates to a video monitoring server, system and method. The video monitoring server comprises: an obtaining module used for obtaining audio and video data of a monitoring area in real time; a video processing module used for obtaining a video image from the audio and video data, separating a foreground from a background of the video image, and determining whether to send reminding information of an abnormal situation of the monitoring area to a video monitoring client according to the background; a request receiving module used for receiving a video obtaining request sent by thevideo monitoring client; the video processing module is further used for performing video encoding on the audio and video data according to the video obtaining request; and a streaming media sendingmodule used for sending the encoded audio and video data to the video monitoring client. The video monitoring server performs video monitoring on the monitoring area in real time, can performs analysis processing on the video image, monitor whether the abnormal condition exists, and send the reminding information in time, so that the video monitoring client can conveniently call the video, and unattended operation can be realized.

The invention discloses a high-precision numerical control system for a four-roll veneer reeling machine based on machine vision. The system comprises four pairs of veneer-reeling deformation monitoring devices which respectively connected with one side of an upper roll, a lower roll, a left roll and a right roll, wherein each pair of veneer-reeling deformation monitoring devices include a veneer-reeling pressure sensor, an angle displacement sensor and a CDD camera; the four CDD cameras are respectively connected with an image processing module and an industrial personal computer through image collecting modules; the industrial personal computer is also connected with a display module, a sound-light alarm module, a communication module, an upper roll servo device, a lower roll servo device, a left roll servo device, a right roll servo device and a veneer-reeling winding track module. The high-precision numerical control system disclosed by the invention can guarantee higher precision of the reeled products; the data are stored in the industrial personal computer, can be called at real time and can be used by the product check personnel; the check efficiency of the products is increased; the check effect is excellent.

The invention discloses a product knowledge unit construction method and system, and the method comprises the following steps: building a first-level knowledge unit list of a product, and filling the first-level knowledge unit list with first-level knowledge terms; constructing a lower-level knowledge unit list according to the first-level knowledge unit list to form a tree-shaped knowledge unit list structure; forming a tree knowledge unit list structure; establishing a level relationship and a peer relationship of the knowledge units to form a net-shaped knowledge unit list structure; creating knowledge unit instances according to the netted knowledge unit list structure; and creating a search engine according to the knowledge unit list structure. According to the method and the system, effective design information on the Internet can be accurately extracted, and the collected information is uniformly cleaned and sorted according to standards, so that product design knowledge expression becomes more standardized, direct calling of the information in the later period is facilitated, and the efficiency of querying reference data by designers is greatly improved.

The embodiments of the invention disclose an interior decoration pasting suspended ceiling drafting system and method, a terminal, and a medium. The method includes the following steps: pre-storing interior decoration pasting suspended ceiling parameters that can be set by a user; respectively displaying the interior decoration pasting suspended ceiling parameters that can be set by the user in apredetermined form in multiple sub-interactive interfaces, wherein the multiple sub-interactive interfaces belong to interactive interfaces; collecting operation instructions input by the user, and setting the interior decoration pasting suspended ceiling parameters in the interactive interfaces according to the operation instructions; and generating a corresponding interior decoration pasting suspended ceiling three-dimensional structure model used for previewing in the interactive interfaces according to the set interior decoration pasting suspended ceiling parameters. The set interior decoration pasting suspended ceiling designing tool is convenient and intuitive, the drawing effect is real, the drawing is rapid, and the tool improves the working efficiency.

The invention discloses a method and device for issuing state information. The state information comprises picture information and / or character information. The method for issuing the state information comprises the steps that a terminal sends to-be-issued state information to an appointed server; the to-be-issued state information is backed up through the server, thereby forming backup information, wherein the terminal is equipped with entry information for calling the backup information; and issuing the backup state information through the server. According to the method and the device for issuing the state information, the issued state information is backed up in the server, so the issued state information can be directly called when the issued state information needs to be modified subsequently, the issued state information is modified based on the backup information, and the modification efficiency is improved.

The invention discloses a multi-layer profit sharing method of the Internet of Things shared business, which is realized by a multi-layer sharing computing method or a block chain computing method. The present invention deduces that the "profit sharing vertical / block domain price comparison index" and "profit sharing horizontal / regional price comparison index" and the sharing period index can be manually set or artificial intelligence automatically adjusts the size of the total amount of "profit sharing", Therefore, it is very convenient to set or adjust the ecological balance development or harmonious and coordinated development of the business system.

The invention discloses a method and device for generating a design scheme and a storage medium. The method comprises: receiving attributes related to a design scheme to be designed, wherein the design scheme comprises a plurality of single products corresponding to a plurality of product elements; Selecting a target single item corresponding to the attribute from the single items corresponding tothe plurality of product elements; And selecting one single product from the target single products corresponding to the product elements, and combining the selected single products to generate a corresponding design scheme.

A method, apparatus, compute device and storage medium for loading a web page of a quotation system are disclosed, the loading method is based on a Nginx server, wherein that method comprises: receiving a quotation request instruction sent by a front end; Analyzing the quotation request instruction to obtain the loading rule and the name of the requested resource to be loaded; The data matching the name of the requested resource in the Nginx server is loaded on the front end according to the loading rule, wherein the Nginx server is a static server. The application places some static resourcesto be loaded in the designated static server, so as to facilitate the system to load the picture in the web page as quickly as possible after receiving the quotation request. After the static resource is loaded on the web page, the static resource is stored on the front-end, so that the next time the front-end is called directly.

The embodiment of the invention discloses a design system and method of a mineral wool board suspended roof, a terminal and a storage medium. The design method comprises the steps of prestoring mineral wool board suspended roof parameters which can be set by a user; displaying the mineral wool board suspended roof parameters which can be set by the user in multiple subsidiary interactive interfaces in a predetermined form respectively, wherein the subsidiary interactive interfaces belong to interactive interfaces; collecting an operating instruction input by the user, and setting the mineral wool board suspended roof parameters in the interactive interfaces according to the operating instruction; generating corresponding mineral wool board suspended roof design models used for displaying on the interactive interfaces according to the set mineral wool board suspended roof parameters; combinedly integrating surface layer parameter information and base layer parameter information of the suspended roof on corresponding suspending modules through an arranged mineral wool board suspended roof design tool. The design system and method of the mineral wool board suspended roof are both convenient and visual, and improve the working efficiency.

The invention discloses a pickling coil hot rolling process thickness judgment system and judgment method, and belongs to the technical field of hot rolling. The thickness judgment system comprises ahot rolling primary system, a thickness detection device, an encoder, a data acquisition machine and a QMS management application platform. Order information of related steel coils is imported into the QMS management application platform, differentiated tolerance configuration evaluation is carried out in a QMS management application platform server according to steel coil output event information, steel coil thickness curve data collected on site are transmitted to the QMS management application platform in time, a collection function is developed on the QMS management application platform, quality factors are formulated to analyze and process a thickness curve, and whether the thickness of steel coils to be detected is qualified or not is automatically judged, so that thickness differentiation judgment of products with different precision requirements is realized, and the differentiated evaluation mode can better meet the requirements of actual production and judgment.

The embodiment of the invention discloses an aluminum hanging ceiling design system and method, a terminal and a storage medium. The design method comprises the steps that aluminum hanging ceiling parameters which can be set by a user are pre-stored; the aluminum hanging ceiling parameters which can be set by the user are displayed in multiple sub interaction interfaces in a preset form respectively, wherein the sub interaction interfaces belong to interaction interfaces; operation instructions input by the user are collected, and the aluminum hanging ceiling parameters are set in the interaction interfaces according to the operation instructions; according to the set aluminum hanging ceiling parameters, a corresponding aluminum hanging ceiling design model for preview is generated on theinteraction interfaces; through a set aluminum hanging ceiling design tool, surface layer parameter information and base layer parameter information of a ceiling are combined and centralized on a corresponding hanging module, the method is convenient and visual, and the working efficiency is improved.

The invention discloses a lightweight text fuzzy search method supporting semantic association. According to the method, a traditional statement retrieval algorithm is improved, statements which are completely consistent with target statements and are high in similarity can be retrieved, and approximate values of the statements and the target statements can be flexibly adjusted; the operation speed is high: a traditional violent enumeration algorithm is abandoned, and methods such as semantic atlas, convolution and dynamic programming are used, so that the search process is optimized, and thesearch speed is greatly increased and the size of the system is reduced, internal and external optimization is performed for lightweight users and use scenes, the whole calculation process is optimized, and the memory burden is reduced. The invention further provides a set of association mode without field operation, a user can call the association module in fuzzy search, but does not need to occupy the local computing power; the system is flexible, a user can easily and flexibly call different applications, and the whole algorithm module is subjected to interface packaging.