1260results about How to "Guaranteed independence" patented technology

The invention relates to an electric power telecommunication network device fault prediction method based on improved LSTM. The invention provides a data preprocessing and time sequence input construction method for the first time. Compared with the simple recurrent neural network, the LSTM is more likely to learn long-term dependence and can solve the prediction problems related to sequences. Because of the strong association between device alerts, the independence of variables can be ensured through PCA. The target replication strategy is also used for improving the LSTM, which can bring local error information in every step. Compared with a simple target output only in the last step, the strategy can improve the accuracy of the model and reduce the risk of over fitting. In combination with dropout, the invention proposes a prediction model of LSTM, which can achieve better prediction precision by deep learning. At the same time, the LSTM is usd for modeling electric power telecommunication network alarm data for the first time and identifying the timing sequence mode therein.

The invention discloses a Chinese network review emotion classification method based on an integrated study frame. According to the method, a part-of-speech combination mode, an order-preserving sub-matrix mode and a frequent word sequence mode are adopted as input characteristics, in the level of characteristics, factors of the influence of Chinese word order information, interval phrase characteristics and the sentence length are considered, and the characteristic vector sparsity problem is solved through semantic similarities; the problem that many review text characteristics exist is solved, the inter-base-classifier independence is guaranteed, and the classification performance of base classifiers is improved as much as possible; a base classifier algorithm constructed based on product attributes is adopted to comprehensively review emotion information of each attribute in a text, and then the sentence-level emotional tendency of reviews is judged, so that a final classification result is more accurate. The Chinese network review emotion classification method based on the integrated study frame is applicable to e-commerce network review emotion classification in various fields, can make a potential consumer know evaluation information of a commodity before purchase and can also make a merchant better sufficiently know the consumer's opinion, and therefore the service quality is improved.

The invention discloses a rapid deployment system under a multiple-virtual machine environment. The system adopts a structure with three layers, wherein a unified access interface layer for a user provides a service access graphical interface to the user, and the service access graphical interface is based on Web and is realized through a unified access module for the user; a heterogeneous virtual machine platform layer comprises a plug-in module and a virtual machine platform that are mutually independent; a rapid deployment service management layer comprises a user management module, a virtual machine template creating module, a virtual machine template management module and a increment deployment module. The invention screens heterogeneity of virtual machine platforms in the bottom layer, provides a deployment service access interface under unified application environment, and realizes the resource service interoperability between all heterogeneous virtual machine platforms. Compared with prior art, not only the invention has the advantage of supporting the heterogeneous virtual machine platforms, but also the deployment of the application program is provided, the deployment efficiency and the flexibility are improved, the resource utility ratio is enhanced, the expandability of the system is good, the rapid deployment system is easy to be managed, and the diaphaneity of the resource utilization is increased.

The invention relates to a data synchronization method and system among heterogeneous databases, by which the two purposes of historical data synchronization and incremental data synchronization are achieved. According to the method, heterogeneous synchronization among various types of main databases is supported, other tools and scripts are not needed, the historical data synchronization and the incremental data synchronization can be easily configured and are automatically linked, and the complexity is reduced. The system is simple and easy to understand, backstage scrip writing and database command input are not needed, and a whole data synchronization service can be configured even by a person who has no experience in database application. The method and the system are applicable for a synchronization scenario of various types of data.

The invention provides a city life information platform and implementation method, capable of providing the socialized services form the city life main body based on a common server soft hardware system and a website platform system of website basis structure. A system node at least is divided into the personal node and commerce node and the content of the commerce node can be edited by any customers before being taken over. The system also comprises a group device, a show device, a comment device, an instant communication device, an accounting device, a monitoring device and a pushing device, and is combined with a series of method of aggregating the content, automatic grouping, tracing and commenting, affirming the information and instantly communicating or the like, therefore the nodes and the contents are integrated into one real-time effective information entity. The information platform can fully satisfy the subjective requirement for developing various city social activities of the city subjective, especially have very effective application of customer relationship management, accurate marketing of network, society aggregation or the like.

The invention discloses a method for compensating positioning errors of a robot based on a deep neural network. The method comprises the following steps: taking theoretical coordinate data of each sampling point and corresponding actual positioning errors as one group of sample data; constructing a robot positioning error prediction model, and training and testing the robot positioning error prediction model by adopting the sample data, wherein the robot positioning error prediction model is used for predicting positioning errors of an inputted target point to obtain a positioning error prediction value; and inputting theoretical pose data to the robot positioning error prediction model to obtain prediction errors and compensating and correcting target point coordinates. According to the method disclosed by the invention, the influence of the position and the pose of a positioning point on the positioning errors is comprehensively considered; and a complex mapping relation between theoretical pose and actual positioning errors of a robot is expressed by using the deep neural network to predict the positioning errors of the target point and compensate the errors. By use of the method disclosed by the invention, absolute positioning precision of the robot can be remarkably improved.

The invention relates to the field of online operating systems, in particular to a cloud computing-based online operating system. The system comprises a cloud terminal sharing kernel module and a terminal online operating system module, wherein the cloud terminal sharing kernel module is used for providing a basic service support environment and comprises a user account verification module, an application program management module and a distributed storage module; and the terminal online operating system module is used for providing a running support environment suitable for terminal equipment and comprises an application module for providing an application program for a user, an online loading module for loading the application program on line, a runtime environment module for providing a program running interface and a system grade setting function and a terminal adaptive module for providing adaptive ports for different terminals. A uniform online program running environment is provided for various terminals, a quick channel which reaches the user is provided for various online services and contents, content sharing and interaction can be performed among different hardware terminals, and the security of the system and the application program is ensured through a security domain mechanism.

The invention provides a game system comprising a game server and a game client connected with the game server, wherein the game system further comprises a live broadcast access server used for accessing live broadcast service provided by a live broadcast platform in the game client, wherein the live broadcast access server comprises a live broadcast hall service unit used for obtaining a live broadcast list of the live broadcast platform according to a preset rule, and allocating a corresponding game live broadcast room to at least a part of live broadcast rooms of the live broadcast platformin the live broadcast list; and a game live broadcast room service unit used for creating a corresponding game live broadcast room according to the allocation of the live broadcast hall service unit;and the live broadcast hall service unit is further used for sending live broadcast data obtaining address to the game players in the game live broadcast room via the game server, so that the game client receives live broadcast data. The game system has the advantages of high stability and high data transmission efficiency.

The present invention provides a system and method for realizing split-screen display. The display screen is logically divided into N display areas. The system includes: a display controller, video memory and N display drivers, wherein the video memory contains N Each display driver corresponds to a display area respectively, and each display area corresponds to a display area respectively, and the N is an integer more than 2; when the display driver is called by an upper-level application program (APP), obtain the described The data of the APP is written or updated to the corresponding video memory area; the video memory area buffers the data to be displayed in the corresponding display area; the display controller reads the data of each video memory area and transmits it to the corresponding display area of ​​each video memory area . The present invention realizes split-screen display on the same display screen, without customizing the display screen, and ensures the independence of each display area.

The invention provides a heat dissipation method and a heat dissipation device. In the method, the temperatures of key nodes in physical partitions are monitored in the physical partitions which are isolated by inserting single plates, pallets or dummy panels and the like which directly reach a backplane into slot positions, and the rotating speeds of fans in the physical partitions are determined according to the monitored temperatures of the key nodes in the physical partitions. By the method and the device, all the slot positions are partitioned into the isolated physical partitions by the single plates, the pallets or the dummy panels and the like in a frame, and the single plates, the pallets or the dummy panels and the like directly reach the backplane, so that the independence of all the physical partitions can be ensured, the mutual interference among different physical partitions is avoided, the accuracy of the rotating speeds of the fans can be ensured, the waste of fan power is avoided, and the noise of the fans is reduced.

The invention provides a transmission and distribution coordinated distribution type reactive voltage optimizing method, and belongs to the technical field of electrical power system operation and control. The method comprises the following steps: constructing a transmission and distribution combined reactive optimal model formed by a target function and a constraint condition by comprehensively taking the coupling relationship among a transmission network model, a distribution network model and transmission-and-distribution into consideration; then, performing second-order cone relaxation on a non-convex constraint of a distribution network, and converting the non-convex constraint into convex constraint; solving the model by applying an improved generalized Benders decomposition method. The method only needs to interact a small amount of information between the transmission network and the distribution network, has an excellent convergence speed, ensures the scheduling and controlling independence of transmission and distribution, can be used for solving the problems of overvoltage, power dismatching and the like caused by a traditional transmission and distribution independent reactive optimizing method, and can achieve optimal loss of the whole local network.

The internet based synchronous updating method for personnel resume database is carried out by scanning the synchronous comparison list recorded in the original database, obtaining user labels and correspondent add / upate time, comparing the add / update time with the updated time of the database in enterprises, if the both times are not same, searching the same user labels in the database in enterprise and displacing their contents and copying those contents of which labels are absent into the database in enterprise, at last, updating the add / update time.

The invention discloses a display panel, a manufacturing method thereof and a display device. The display panel is provided with a plurality of pixel regions, and each pixel region consists of a plurality of subpixels of the same color. The display panel comprises an array substrate and a display layer, wherein the array substrate comprises a base layer and an array layer; the display layer is arranged on the side, away from the base layer, of the array layer; and the display layer comprises an anode metal layer, a first pixel defining layer, a second pixel defining layer and organic light-emitting layers; the anode metal layer is provided with a plurality of anodes, and one subpixel comprises one anode; the first pixel defining layer is arranged on the side, away from the array layer, ofthe anode metal layer, the first pixel defining layer is provided with a plurality of first openings exposing the anodes, and one pixel region comprises one first opening; the second pixel defining layer is prepared from a lyophobic material and comprises first defining parts on the first pixel defining layer and second defining parts positioned inside the first openings, the second defining partsare used for partitioning the first openings into a plurality of second openings, and one subpixel comprises one second opening; and the organic light-emitting layers are arranged inside each secondopening. The problem of color crosstalk for the display panel is solved.

The invention relates to a lightweight anonymous authentication and key negotiation method in a multi-server environment and belongs to the technical field of information safety. The method is characterized by achieving the anonymous authentication and key negotiation in the multi-server environment by means of the following three steps: (1) building a system and selecting system parameters; (2) registering in a registering center RC by a server and a user; (3) carrying out authentication and key negotiation by the user and a remote server so as to provide subsequent communication session keys. The lightweight anonymous authentication and key negotiation method is applicable to remote authentication of a mobile terminal and servers with low calculation capability, memory space and communication capability; the mobile terminal can log in any server registered by RC through a user name and a password; the server only can authenticate that the user is a valid user and cannot know the specific identity of the user, so that the privacy of the user is protected; the lightweight anonymous authentication and key negotiation method is excellent in expansibility; the two-party negotiation session keys are determined by random numbers Ni1 and Ni2 selected by authenticating for each time by two parties; the independence and the forward and backward security of the session keys are ensured.

The invention discloses a federated learning model training method and device and a federated learning system. An edge computing server and end equipment receive global machine learning model information formed by a cloud federated learning subsystem; one edge computing server and more than one end device form an area by utilizing the advantage of network locality, and the end device completes model local training by depending on local data and adopting a truncation mode. The edge computing server is responsible for multiple rounds of updating of end equipment in a jurisdiction area and sending updated model information to the cloud federated learning subsystem; the edge computing servers also complete model local training in a truncation mode, and the cloud federated learning subsystem isresponsible for gradient updating of the edge computing servers; and when the training reaches a convergence period, performing truncation node compensation on the inner-end equipment of the region under the jurisdiction of the edge computing server and a plurality of edge computing servers in charge of the cloud federated learning subsystem to form global machine learning model information.

The invention discloses numerical-control automatic sewing processing equipment. The numerical-control automatic sewing processing equipment comprises a sewing machine, a sewing-material clamping and towing mechanism, two parallel sliding rails at the upper layer, two parallel sliding rails at the lower layer and a numerical-control center. The numerical-control automatic sewing processing equipment disclosed by the invention has the advantages that not only can the sewing of multi-layer sewing materials, multiple stitches and multiple layer patterns be realized, but also the working efficiency is improved; the production cost is lower, the installation and the debugging are simple, and the repair and the maintenance of the sewing machine are easy.

The invention discloses a robot system, which changes the application way of a firefighting robot. The robot system is characterized in that: on the basis of making maximum use of the conventional mature robot technology, the utilization of the robot with the maximum efficiency is realized by reforming the working environment of the robot reasonably. Leading lines and position identifiers are added into the working environment to realize the simplification of a two-dimensional working map, and a robot working navigation map is established to realize high-efficiency movement and positioning of the robot; and the association of the robot and a fire warning system with an image monitoring system is established to realize automatic firefighting and manual remote control and improve the application flexibility of the robot. In the system, the novel robot working modes expand the application range of the functional firefighting robot, reduce the application cost of the robot, and realize the systematic robot application. If the robot working navigation map mode and the manual linkage mode are recognized nationally, a future firefighting mode is expected to be changed by the large-scale application of the robot.

The invention discloses a PUF (Physical Unclonable Function)-based three-factor anonymous user authentication protocol method in the Internet of Things, which solves the security problems such as physical clone attacks and the like, and is implemented by the following steps that: a gateway generates a long-term key for registration and key negotiation of nodes and users; the node sends a PUF-basedchallenge and response to the gateway, and the gateway generates an authentication certificate and sends a node key to the node to complete registration; the user sends the identity identifier to thegateway, the gateway generates a user dynamic identity identifier and a user key and sends the user dynamic identity identifier and the user key to the user, and the user encrypts and stores the userdynamic identity identifier and the user key in the smart card to complete registration; and the user, the gateway and the node perform mutual authentication and key agreement to form a PUF-based three-factor anonymous user authentication protocol method in the Internet of Things. Based on three-factor authentication, smart card loss, password guessing attack and the like can be resisted; the method achieves the anonymity of the user and the node, is small in calculation amount, is high in efficiency, is suitable for IOT nodes with limited resources, and is used for IOT safety communication.

The invention relates to a multi-task scheduling automated testing method and system based on a Docker container. The method comprises the following steps that: on the basis of a tested system or a test tool, constructing a Docker mirror image, and taking the generated Docker mirror image as a test task template; on the basis of the Docker mirror image corresponding to a test task template, creating test tasks, and configuring the starting parameter and the starting time sequence of the Docker container, wherein different test tasks are operated in different Docker containers, and the startingtime sequence of the Docker container corresponds to the execution process of the test task; and according to the configured starting parameter and starting time sequence of the Docker container, starting the Docker container to execute the test task. By use of the method disclosed by the invention, test processes and test tasks can be flexibly scheduled, and computer applications can be conveniently and efficiently subjected to automated testing.

The invention relates to a method and a system for realizing security audit function in the remote control process. The method comprises the following steps that: a service terminal receives a service request from an operator, performs authentication, allocates a corresponding controlled server for the operator according to a management strategy, activates video transmission connection between the corresponding controlled server and the service terminal, and establishes a security encrypted link between the service terminal and an operator client; the service terminal provides a control console for the operator for managing the input and output of the corresponding controlled server; and when the operator operates and controls the corresponding controlled server, the system shoots screen image information in the operating process of the operator in real time and records keyboard and mouse control events. The control session of each controlled server is shot, and the keyboard and mouse control events are recorded, so a user can conveniently check and retrieve each historical session record through the service terminal at any time so as to facilitate audit backtracking.

The invention discloses a file uploading method and device, a terminal, a server, a system and a storage medium, and the method comprises the steps: initiating a channel obtaining request to a server,and receiving a file uploading service node address returned by the server; calculating a hash value of the to-be-uploaded file, and initiating a second uploading request to a file uploading servicenode; if the second uploading is successful, receiving a unified storage ID returned by the file uploading service node; if the second uploading fails, fragmenting the to-be-uploaded file to obtain aplurality of fragments, uploading all the fragments to a file uploading service node, and receiving a unified storage ID returned by the file uploading service node; and carrying out associated storage on the unified storage ID and the file parameter information of the uploaded file. According to the invention, the business independence of each third-party application is ensured, and the file uploading and downloading efficiency is improved; management of files by the server side is simplified, and meanwhile the problems of network bandwidth pressure and storage pressure caused by a large amount of repeated data are avoided.

The invention relates to a multi-path shadow compound fading channel simulation device and a work method thereof. First, a universal compound fading mathematical model is provided based on the comprehensive consideration of the compound influence of path losses, shadow fading and multi-path fading. Then, the multi-path fading, the shadow fading and channel noise in the model are decomposed into a Gaussian random process expression form and generated by an SoS (Second-Order Section) fixed-point model in a unified simulation way. The simulation method conforms to FPGA-based (Field Programmable Gate Array) fixed-point operation characteristics and is easy to realize. The simultaneous simulation of an uplink and a downlink is supported by a simulation system. Two input interfaces are available for selection, and radio frequency simulation signals or intermediate frequency simulation signals are input through the input interfaces. Parameters about communication scenes and the like are input by a user through a PC (Personal Computer), the feature parameters of the compound fading channel under the scenes are calculated by a DSP (Digital Signal Processor) in real time, and the feature parameters are utilized by the FPGA to carry out hardware simulation. Output simulation signals passing a wireless channel also comprise intermediate frequency signals and radio simulation signals. The multi-path shadow compound fading channel simulation device and the work method thereof are used in land-land mobile communication scenes, and can also be used in air-land (land-air) and air-air communication fading channel scenes.

The invention provides an active damping scheme for multiple LCL inverter resonant coupling. The active damping scheme comprises a distributed grid-connected power generation system formed by the series connection of a plurality of photovoltaic LCL inverters and a full wave energy metering device. The control structure of the current and active damping control link of each of the LCL inverters comprises an inverter reference output current calculation link, a photovoltaic power front feed reference current compensation link, an inverter output current deadbeat control link and an active damping compensation link. According to the control method of the invention, the harmonic distortion rate of grid-connected total current can be reduced, the metering data reliability of the full wave energy metering device is effectively improved, the specific harmonic amplification interference of inverter output current by the self resonant point of a single inverter filtering link is effectively reduced, the parallel connection resonant coupling among multiple inverter filtering links is effectively reduced, the independence of each inverter output current is ensured, and the interference of the inverter output current by power grid harmonic voltage is effectively reduced. According to the active damping scheme, the safe and stable operation of an inverter parallel system can be ensured.

The invention provides an optimal grouping configuration method of distributed generations and a microgrid. The method includes the steps of establishing a multi-objective optimization model based on distributed generation and microgrid hybrid integrated supply; solving the multi-objective optimization model by means of a non-dominated genetic algorithm to allow optimal grouping configuration of the distributed generations and the microgrid. The multi-objective optimization model makes full consideration on investment cost, supply reliability and running grid loss and also considers constraints such as microgrid power balance, storage capacity configuration ratio, permeability, node voltage, distributed generation output and group number, complete factors are considered, and the problems in connection positions and volumes of the distributed generations, loads and stored energies can be effectively solved.

The invention relates to a MIMO radar extended target detection method, and the purpose is that multichannel process advantage of a MIMO radar is utilized, so that extended targets in a compound Gaussian clutter can be preferably detected. The core idea of the method comprises: according to target echo received by the MIMO radar, estimation of target motion parameters and clutter parameters are performed, a GLRT basic principle, test statistics is acquired, and the detection is complete at last. Target Doppler mismatching, compound Gaussian clutter shape parameters and the like can influence detection performance if GLRT, so that an MLE method is adopted, estimated values of the target Doppler and clutter shape parameters are obtained, and the target detection is performed. At last, advantages of MIMO radar multichannel processing are used for realizing accumulation of target echo energy, so that performance of a GLRT detector is greatly improved, and the performance improvement relates to the number of MIMO radar transmitting and receiving antenna.

The invention provides a message transmission frame aiming at file systems and on the basis of high speed networks and a method thereof. The message transmission frame comprises a file system interface layer which is used to provide interfaces of creating communication contexts, building connecting passages, and creating operation contexts and network transmission for a file system layer, a file operation processing layer which is respectively communicated with the file system interface layer and a network protocol packaging layer and is used to process the operation contexts submitted by the file system interface layer and to submit network communication operations to the network protocol packaging layer, and network protocol packaging layer which is communicated with the network protocol layer and is used to pack the network communication operations submitted by the file operation processing layer and then to carry out message transmission through the network protocol layer. The message transmission frame and the method match the upper layer operations of the file systems with InfiniBand communication operations, and the high speed network characteristics are utilized to the maximum.

The invention discloses a method for exchanging and synchronizing data among homogenous and heterogenous DBMSs (database management systems) on the basis of an active database technology. The method is used for conveniently and efficiently exchanging and synchronizing data among homogenous and heterogenous databases. The method includes steps of determining data environments of a source end and a target end with data to be synchronized; determining a corresponding relation between the data of the target end and the data of the source end; creating an initialization table and a log table in a database of the source end; forming corresponding operating commands in the database of the source end by the aid of data required for synchronization initialization in a storage process, and writing the operating commands into the created initialization table; creating inserting, modifying and deleting triggers on tables related to the source end with the data to be synchronized, splicing the synchronization operating commands required to be executed at the target end into character strings whenever the data change, and using the character strings as values of fields of operating commands of the log table to form a record in the log table; and exchanging and synchronizing the data. The operating commands are executed at the target end.

The invention discloses a host equipment data transmission extension method based on an AXI bus. The host equipment data transmission extension method is characterized in that a protocol conversion module is added between an AXI bus and an FIFO interface bus of host equipment; the protocol conversion module comprises an MST_FIFO module and an MST_IF module; the MST_IF module receives a read-writeaddress, a read-write length and a control command from the AXI interface; the MST_FIFO comprises five independent FIFOs which respectively correspond to five independent channels of a write command,a write data, a write response, a read command and a read data of an AXI bus; and the five independent FIFOs receive or send the five independent channels to host equipment. According to the host equipment data transmission extension method, the protocol conversion of the AXI signal and the FIFO signal is realized through the protocol conversion module, so that the self-research module does not need to accord with the AXI protocol any more, and the design flow of the self-research module is simplified, and the independence of each channel of the AXI protocol and the characteristics of high performance, and high bandwidth and low delay of the protocol are maintained.

The invention discloses an Internet surfing log recording system and method capable of protecting personal privacies of users. The system comprises a general management unit responsible for general management operation, a privacy management unit responsible for authorization and operation, a background safety management unit connected with the general management unit and the privacy management unit and responsible for safety of a monitoring system, and a data storage unit used for storing data. Therefore, the method is good in safety and less prone to data leakage of the personal privacies of the users, and can achieve joint administration by administrators in different levels through combination of software encryption and hardware encryption.

The invention discloses a two-box type impact testing box. A hanging basket between a high-temperature box and a low-temperature box is moved to transfer a test sample and a room-temperature box does not need to be arranged, so that the defrosting time can be shortened, the consumption of electric quantity is reduced and the testing cost is saved; inner walls of the high-temperature box and the low-temperature box are respectively provided with a heating device and a refrigerating device; the circulation of air flow is driven by an impeller; the air flow rapidly and circularly flows to realize the effect of rapidly heating the test sample or refrigerating the test sample; an impeller, one heating device, an evaporator, a regenerator and the like are all located on the side wall of the high-temperature box or the low-temperature box; a motor drives the impeller to rotate to drive the air flow to flow in the front and rear direction of the box body; the air flow can rapidly flow and the distribution of the air flow is uniform so as to reduce the formation of frost and realize a long-time defrosting-operation-free circulating continuous test; a driving device for moving the hanging basket is arranged in a refrigerator cabinet rather than in the low-temperature box, so as to avoid influences on the driving device by the low temperature and rapidly move the hanging basket; the safety is high.