53results about How to "Solve data synchronization" patented technology

The invention discloses a hotel rapid accommodation system and method. The system comprises: a cloud server, an intelligent hotel rapid accommodation machine, an intelligent mobile terminal, and an intelligent door lock. The intelligent mobile terminal is used for issuing room reservation and check out applications for an application server, and deblocking an intelligent door lock through key verification; the intelligent hotel rapid accommodation machine is used for verifying user identity and fingerprint based on geographical positions; the intelligent door lock is used for receiving the debloking request sent by the intelligent mobile terminal, and providing deblocking for a user according to a deblocking request; the cloud server is used for receiving and processing the deblocking request of the intelligent mobile terminal, synchronizing the door lock state information in the intelligent door lock, and providing geographical position information of the intelligent hotel rapid accommodation machine. The system shortens hotel accommodation processes for users, and allows the users to have more time to enjoy hotel services. An original user intelligent mobile terminal is employed, so that a user does not need to take a room card, thereby improving user experiences and satisfaction.

The invention provides a data synchronizing method and device. The method includes the steps that data storage logs of at least one source database are obtained; the data storage logs are parsed so as to search for data to be synchronized and corresponding to a current service; the data to be synchronized are written in at least one target database associated with the current service according to the search result. According to the data synchronizing method and device, compared with a conversion operation in the prior art, the operation time of the parsing operation is greatly reduced, and beneficial effect that real-time performance of the data synchronizing process is improved can be achieved.

The invention provides a synchrodata method and a device thereof which relates to the light communication field. The method includes steps as follows: a first processing unit sends an increment data packet information to a second processing unit after detecting data change needing synchronization function block, the increment data packet information contains a first increment data packet and a first increment data packet sequence number corresponding to the increment data packet, and the first processing unit sends an increment data packet sequence number information containing the second increment data packet sequence number to a second processing unit periodically; the second processing unit sends the information requesting synchrodata to the first processing unit when at least one of two conditions occurs that the first increment data packet sequence number carried by the increment data packet received by the second processing unit and the third increment data packet sequence number kept by the second processing unit are discontinuously, or the second increment data packet sequence number received by the second processing unit is not equal to the third increment data packet sequence number kept by the second processing unit. The method can realize reliable synchrodata which increases operation stability and is simple to realize.

The invention discloses a double-end traveling wave method-based medium-voltage distribution network cable short circuit fault positioning method. The method comprises the following steps of: 1, acquiring grounding current of an M end and an N end of a faulty cable; 2, extracting time tM and tN of two fault feature current traveling waves for correspondingly reaching the M end and the N end of thefaulty cable, and extracting arrival time tMr and tNr of first reflection waves at the M end and the N end of the two fault feature current traveling waves; and 3, calculating a distance normalization value dpu of a monitoring point from a fault point to the M end or N end of the faulty cable, and obtaining a position of the fault point on the faulty cable according to the size of the dpu. The method is capable of overcoming the synchronization problem of existing double-end traveling wave ranging and decreasing dependence on correct electric parameters of cable circuits, so as to greatly decrease the positioning error and reduce the influences, on refraction and reflection of fault feature current, of impedance-mismatched positions of circuits.

A method, apparatus, apparatus, and storage medium for data synchronization between clusters are disclosed. The method includes reading a target message offset of a first partition of a first topic ofa target cluster; Comparing a target message offset with an oldest message offset of a second partition of a second subject of the source cluster, the second subject having the same subject name as the first subject and the first partition having the same partition sequence number as the second partition; If the target message offset is less than the oldest message offset, filling the data into the first partition; And synchronizing the master copy of the second partition to the first partition. According to the technical proposal of the embodiment of the present application, the problem thatthe subject partition data of the source cluster and the target cluster are unevenly distributed in the prior art is overcome by data filling processing.

The embodiment of the invention provides a network conference data synchronization method and system thereof. The method is applied to a center service system in an internet of videos and applicationservice systems. The method comprises the following steps: sending initialization information to the center service system; starting a data channel link between the center service system and the application server system based on the received synchronization parameter configuration information; sending a synchronization instruction to the center service system; receiving the equipment synchronization data through the data channel link, and covering the equipment data of the local cache by using the equipment synchronization data. By using the method provided by the embodiment of the invention,the two-way data synchronization is performed between each application service system and the center service center through the configuration of the synchronization parameter, and the data synchronization problem under the distributed deployment condition of the application service systems is solved at the same time; the transmission speed of the synchronization data is fast, and the transmittedsynchronization data is precise.

An expandable file model consists of file model with notification mechanism, expansion component erection module for erecting expansion component in said file model according to expansion requirement, expansion component unloading module for unloading expansion component in said file model and model revision notification retransmission unit for monitoring and collecting varied event of each node on said file model as well as for retransmitting varied event to each relevant expansion component.

The present invention discloses a data configuration method based on a digital home intelligent gateway, and relates to the technical field of digital home. The technical points of the invention comprises the following steps: step 1: a mobile terminal downloads a version configuration file from a gateway, and analyzes the version configuration file to obtain a device configuration file version number Cv2, a monitoring configuration file version number Mv2, a scene configuration file version number Sv2 and a room configuration file version number Rv2; step 2: the mobile terminal compares a local stored configuration file version number with the gateway configuration file version number on the gateway, if not equal, the mobile terminal downloads a new configuration file from the gateway and analyzes a updated information, and then replaces the local original information by using the updated information and replaces the local stored configuration file version number, otherwise, the mobile terminal directly reads the relevant information from the local.

The invention relates to a data transmission method and device of a heterogeneous system, computer equipment and a storage medium. The method comprises the steps that a server receives a service request pushed by a data center; wherein the service request is initiated by a user terminal; the server issues an instruction to the corresponding client with the established long connection according tothe service request; wherein the client is used for docking interaction data between an enterprise intranet and an enterprise extranet; and the client processes the data related to the service requestaccording to the service processing logic in the instruction to obtain a service processing result related to the service request, and returns the service processing result to a data center, and thedata center processes and analyzes the service processing result to obtain a service processing result related to the service request, obtains a result corresponding to the service request and returning the result to the user terminal. By adopting the method, the data transmission of the heterogeneous system can be efficiently and stably carried out while the system security is ensured.

The invention provides a method for achieving an offline desktop under a desktop cloud environment. The method provided by the invention has the advantages that high consistency between a corresponding mirror image on a remote desktop virtual machine and mirror image data on a terminal can be effectively guaranteed when a user carries out switching between the remote desktop virtual machine and alocal virtual machine for office work, so that document data in the mirror image can be prevented from loss or inconsistency when the user carries out the switching, and the user can normally access the data on the virtual machines for daily office work no matter whether the terminal is offline or online.

The invention discloses a turbine DEH double-controller synchronous hot standby redundancy switching device and method, relates to the field of industry process control, and aims at solving the problems that according to an existing redundancy switching manner, work switching is not stable, switching is not timely, and reliability and data synchronism are poor. The turbine DEH double-controller synchronous hot standby redundancy switching device comprises one FPGA chip and two controllers. The FPGA chip is used for collecting and sending peripheral hardware signals to the two controllers and is further used for judging the host and standby relation between the two controllers and sending an operation result of a host to the periphery so as to drive a peripheral hardware circuit. One of thetwo controllers serves as a host, the other one of the two controllers serves as a standby, and host data are synchronized to the standby in each logic operation period. The two controllers conduct operation on the input peripheral hardware signals and send the operation result to the FPGA chip. The turbine DEH double-controller synchronous hot standby redundancy switching device and method are suitable for double-controller synchronous hot standby redundancy switching.

The invention provides a ZooKeeper-based distributed service state consistency maintenance method and device. The implementation process of the ZooKeeper-based distributed service state consistency maintenance method comprises the steps that a service registration center creates a root node of a global data space on a ZooKeeper cluster; when the service registration operation is executed, the service registration center creates a namespace node, a service name node, a version number node and an instance node under the root node of the ZooKeeper cluster according to the namespace and version number information of the service; and a service provider and a service consumer create a service provider node and a service consumer node under an instance node of a ZooKeeper cluster global data space in an initialization phase of service operation. The ZooKeeper-based distributed service state consistency maintenance method and device utilize the persistent node characteristics of ZooKeeper, canefficiently, globally and consistently maintain the static basic information of the service, can acquire the survival condition of a service provider and the access condition of a service consumer toa service instance in real time, and can provide a basis for realizing dynamic binding of the service, load balancing of a service request, real-time monitoring of a system and the like.

The invention provides a vehicle-mounted time sequence synchronization system which is characterized in that a synchronization time sequence controller 101 uses PTP and gPTP through an Ethernet 103 and a CAN bus 104, and uses PPS signals to perform time sequence synchronization on a sensor laser radar system 105, a millimeter wave radar 106, a camera system 107, an Internet of Vehicles controller108 and a whole vehicle controller 109 in a vehicle through digital synchronization signals 102 so that sensors and controllers of the whole vehicle have high-precision synchronous clock information.By adopting the synchronous time sequence controller 101, accurate time information is provided for data between intelligent sensors 105, 106 and 107 and controllers 108 and 109, and the problems of data synchronization and data fusion between the automobile sensors and the controllers are solved.

The invention discloses a multi-channel high-speed sampling data synchronous calibration method based on an FPGA, and belongs to the field of digital signal processing. The multi-channel high-speed sampling data synchronous calibration method based on an FPGA is a method for synchronously calibrating and implementing inter-channel sampling data implemented for multi-channel high-speed sampling, can effectively solve the problem of data synchronization between channels after multi-channel high-speed ADC sampling; the method disclosed by the invention is implemented in the FPGA, and is a processing method for performing sampling cache calibration and realizing a specific synchronization process by FIFO. The method has the advantages of real-time response, high speed and high efficiency, doesnot depend on a hardware platform, does not change sampling clock or ADC kernel parameters depending on existing hardware, does not influence the existing hardware, and performs synchronous calibration at a high-speed sampling rear end before signal processing and analysis.

The invention discloses a data synchronization method and device. To-be-synchronized data are obtained, wherein the to-be-synchronized data include a first identity ID for identifying the to-be-synchronized data; that the first ID does not exist in a second ID set is determined, wherein the ID in the second ID set is used for identifying data with successful completion of synchronization; and theto-be-synchronized data are synchronized. With the data synchronization method and device, a problem that data synchronization among multiple data centers can not be realized easily when the multipledata centers provide application access for the user jointly in the prior art is solved.

The invention relates to the technical field of cloud computing storage, and particularly relates to a data synchronization method based on hybrid cloud storage. According to the method, firstly an independent hybrid cloud storage environment requires to be deployed, and then login information of hybrid cloud storage, including the access address, the port and the account information of the object storage environment, requires to be configured. Connection with the hybrid cloud storage environment is established, and a corresponding synchronization module is scheduled when an analysis module acquires the entrance type and the synchronization operation type of the operating cloud storage environment so that data synchronization of the hybrid cloud storage environment can be realized. The problem of data synchronization of the hybrid cloud storage environment can be solved so that management and maintenance of the hybrid cloud storage environment are facilitated for users, the data consistency of the hybrid cloud storage environment can be ensured and the method can be applied to data synchronization of the hybrid cloud storage environment.

The invention discloses a cloud platform cascade system, comprising a root cloud platform, a plurality of leaf cloud platforms respectively connected with the root cloud platform and a public processing module accessible to each cloud platform. The cloud platform comprises the root cloud platform and the leaf cloud platform. Each cloud platform comprises a cloud platform information synchronization module, wherein the cloud platform information synchronization module is used for periodically reporting the resource information of the cloud platform to the cascade information database; the common processing module comprises a cascade information database, wherein the cascade information database is used for storing the cascade information of each cloud platform and the resource information;the root cloud platform comprises a unified view presentation module, which is used for uniformly displaying the information corresponding to each of the cloud platforms contained in the cascade information database. It can not only solve the problems of complex management and data synchronization between cloud platforms, but also the problems of data exchange. And the efficiency of data acquisition is greatly improved.

The invention discloses a method for achieving data synchronization in a manual telephone traffic system. According to the method, relative isolation between foreground service processing and data synchronization is achieved. In foreground service processing, access is only conducted on a local database; while a data synchronization module is responsible for processing data synchronization between a chief operator desk database and attendant desk data. When ticket synchronization between attendant desks and a chief operator desk is abnormal, ticket data sent to the chief operator desk can be stored in the local database, and after the synchronization returns to normal, the ticket data can be synchronized to the chief operator desk again. When the data configuration process is abnormal, related configuration data are still kept in the chief operator desk database, and after the data configuration process returns to normal, the configuration data of the chief operator desk is synchronized again through the attendant desks. Service processing of the attendant desks can not be influenced in the data synchronization process. By means of the method, consistency of data of the whole manual telephone traffic system can be effectively ensured.

The invention discloses an information synchronization method and system between a mobile terminal and a server, a computer readable storage medium and computer equipment. The information synchronization method comprises the following steps that: the mobile terminal updates information of a terminal database in an offline state, sends an offline data synchronization request to the server to obtaina service signature and update the terminal database when the offline state is converted into an online state, and sends the updated information to the server to synchronize the information of the server database. According to the embodiment provided by the invention, the problem of data synchronization of mobile terminals and a server database caused by network environment constraints in the prior art can be solved, the real-time synchronization of the multiple mobile terminals and the server is realized, and the efficiency of information management is effectively improved.

The invention discloses a multi-channel CAN data acquisition terminal and method for a road test vehicle. The method comprises the following steps: 1, setting that a host and a slave have the same SPIsampling frequency and cache; 2, connecting the GPIO ports of the host and the slave , setting the GPIO port of the slave as an output, initializing the GPIO port of the slave into a high level, andsetting the GPIO port of the host as an input; 3, when the slave receives the first frame of CAN data, starting a millisecond counter and sending a timing start notification to the host, adding real-time millisecond time to each frame of CAN data, then packaging the CAN data and putting the packaged CAN data into a cache, and when the cache is full or preset time is up, setting the GPIO port of the slave to be low level; and 4, when the host receives the timing start notification, recording a current timestamp as starting time, and when it is monitored that the GPIO port of the slave is converted from a high level to a low level, reading the data packet in the cache of the slave through a SPI bus, unpackaging the data packet into each frame of CAN data, adding the starting time to the CANdata, and storing each frame of CAN data into a file.

The invention belongs to the technical field of power system databases, and discloses a method for synchronously replicating data to a Hadoop platform from a PostgresSQL database based on the log analysis technology. The method includes the steps that the logical replication function of the PostgresSQL database is started, it is guaranteed that the number of the maximum log sending process is larger than the set number, and database user settings are modified so that the stream replication protocol can be directly used; a log analysis module is used for filtering rules of logical logs of the PostgresSQL database required to be processed and sending complete data according to the transaction completeness; an information receiving module is used for receiving the data from the log analysis module according to configured receiving information and writing the data into a local cache data file for data loading according to the local rule; a SQL adaption module is used for reading the cachedata file, the cache data file is converted into a general standard SQL data statement format according to the type of the Hadoop platform, and the data is loaded and enters the Hadoop platform. According to the method, database synchronous-replication efficiency is improved.

The invention discloses a data synchronization system based on a block chain cross-chain technology. The invention specifically relates to the technical field of cross-chain communication. The systemcomprises a block chain and a relay chain. The relay chain comprises a transaction execution layer, a verification engine and a storage layer. The transaction layer comprises a cross-chain transactionexecution layer and a system transaction execution layer. The verification engine comprises a verification module and a deployment management module. An execution layer is arranged in a verifier module. A rule management contract is arranged in a rule management module. The storage layer comprises a processor and a memory, is connected with the relay chain through a data interface, and is used for storing data information in the relay chain. Cross-chain transaction can be realized, and the problem of data synchronization for the access of a new block chain in the transaction process can be solved.

The invention discloses a multi-client data differentiation secondary caching and synchronization processing method, which comprises the following steps that: a server responds to a data set calling request initiated by each client according to own service requirements, and if the server has a corresponding cached data set, the data set is sent to a matched client; if not, sending a data set acquisition request to a data source; the data source responds to a data set acquisition request initiated by the server and sends a corresponding data set to the server; the server receives the data set, caches the data set in a memory, and sends the data set to a corresponding client; and each client receives the data set paired with the tag of the own exclusive client and caches the data set in a memory. A large amount of data can be cached simultaneously and differentially at multiple points and each client, and the problems of data synchronization and timely updating between a data source and a server, between the server and multiple clients and between the clients are solved; and the requirements of personalized caching and data updating of different clients are met.

The application discloses a retrieval method used for a chain-store cookbook. A query request submitted by a client for chain-store cookbook information is received, and the query request includes feature information of a chain store; valid special cookbook information of the chain store is obtained from a data file, which includes a special cookbook data set, according to the feature informationof the chain store; unified cookbook information of the chain store is obtained from a data file, which includes a unified cookbook data set of a group, according to the obtained special cookbook information of the chain store, and related information which is the same as dish-type feature information and set-meal feature information in the obtained special cookbook information of the chain storeis excluded by the unified cookbook information of the chain store; an information collection of the chain-store cookbook is generated according to the obtained unified cookbook information and special cookbook information of the chain store; and the information collection of the chain-store cookbook is sent to the client. Intermediate links are decreased, and data synchronization problems are resolved.

The invention provides a data synchronization method, and a device and a system using the same. The data synchronization method comprises the following steps: receiving an operation of a user for terminal equipment; generating a synchronization data packet based on the received operation, wherein the synchronization data packet includes information indicating a type of the synchronization action and a value of the synchronization action; and sending the generated synchronization data packet to a server so as to forward the synchronization data packet to other terminal devices needing to be synchronized. According to the data synchronization method, the problem of data synchronization between devices in a conference room scene is solved, the expandability of data communication between the devices can be ensured, the server does not perceive the added data types when the data types are added, and therefore, various types of data needing to be synchronized can be newly added conveniently.

The embodiment of the invention provides a data synchronization method and device based on NFC (Near Field Communication), electronic equipment and a storage medium, which are applied to a first terminal, respond to a data synchronization operation for the first terminal, determine a target application program and a second terminal corresponding to the data synchronization operation, establish NFC communication connection between the first terminal and the second terminal, and send the NFC communication connection to the first terminal. And transmitting the data synchronization instruction to a second terminal to enable the second terminal to run a target application program according to the data synchronization instruction, uploading application data of the target application program to a server, responding to an account verification operation for the target application program, if account verification succeeds, obtaining the application data from the server, and sending the application data to the server. Therefore, the synchronization instruction is sent through NFC, so that the terminals which cannot perform operation perform data synchronization, the universality of data synchronization between the terminals is improved, and the security of data synchronization is effectively ensured by transmitting the application data to the server and performing data synchronization by the first terminal when the account verification succeeds.

The embodiment of the invention discloses a same-screen display method and device for multiple operating systems and terminal equipment, and the method comprises the steps: enabling a main operating system to distribute a continuous memory as a display cache region, and enabling the display cache region to be divided into cache sub-regions with the corresponding number according to the total number of the operating systems; the master operating system allocates a cache sub-region to each slave operating system, so that each slave operating system maps the address of the allocated cache sub-region into a respective image frame cache region; and after each operating system stores the image data in the respective image frame cache region, the main operating system controls the display screencontroller to send all the image data to different display regions of the display screen through the bus so as to synchronously display the image data from different operating systems. According to the technical scheme, data synchronization between the operating systems can be effectively achieved, window division, data overlay and other processing are not needed, one-time splitting and multiple-time use can be achieved, and extra expenditure of a CPU and a memory is greatly reduced.