20 results about "Bilateral synchronization" patented technology

The invention belongs to the technical field of big data processing and resource management, and discloses a resource optimization-oriented big data scheduling method and device, equipment and a storage medium. The method comprises the following steps: synchronizing metadata of an off-line production task from an existing data processing system through a preset interface, and carrying out sorting and resource allocation on a task queue by adopting a hybrid scheduling algorithm according to a task priority, a predicted execution time length and a task dependency relationship, so as to generate a task scheduling sequence and a resource allocation scheme, then starting and executing the task, monitoring the task execution state and the resource use condition in real time in the execution process, and dynamically adjusting the task execution sequence to realize bidirectional synchronization of production data and scheduling information without additionally designing an external data acquisition component; the method completely depends on off-line production data acquired by an existing data processing system of a semiconductor enterprise, realizes efficient and reasonable allocation of resources, and remarkably improves the scheduling efficiency and the overall performance of the system.

The invention discloses a differential protection function test method and system based on remote data synchronization, and relates to the technical field of power system relay protection tests.The method comprises the steps that host and slave test devices are deployed remotely, and communication is established through standby optical fibers; the host test device responds to the configuration parameters to generate two-dimensional test data, synchronizes the two-dimensional test data to the slave test device and calculates channel delay; based on the FPGA logic architecture and channel delay, the two test devices synchronously output test data to the differential protection device; the system comprises a remote testing device, a differential protection device and a standby optical fiber link, the testing device is integrated with a plurality of functional units such as an FPGA, the method supports fault-tolerant recovery, multi-scene expansion and result analysis, the remote synchronous testing problem is solved, the testing accuracy and comprehensiveness are improved, and the testing efficiency is improved. The method is suitable for substation differential protection function verification.

The present application belongs to the technical field of supply chain collaborative management, and discloses a method and system for bi-directional synchronization and modification of logistics and cargo information. Before the supplier completes the delivery, the method allows the supplier to modify or delete the bound logistics information; the operation instruction synchronously triggers the state rollback of the bound cargo information, so that the cargo information returns to the state of waiting for delivery and is unbound; all changes are ensured to be complete and persistent through atomic transactions; finally, based on the transaction success signal, the system pushes the differentiated synchronization information to the related demand side in real time. The system corresponds to the instruction receiving, collaborative processing, transaction management and real-time synchronization modules. The present application solves the problem of data inconsistency and view asynchronization caused by information modification under multi-party collaboration, realizes flexible adjustment of logistics information, automatic recovery of business state and real-time consistency of multi-party view, and significantly improves the reliability and efficiency of supply chain collaboration.

The application discloses a star flash wireless audio transmission system and a networking control method thereof, and belongs to the technical field of audio transmission, and comprises a double-clock source integrated module, a random check module between devices, a clock compensation module and a synchronization state monitoring module.The double-clock source integrated module is used for generating a synchronization master clock and an auxiliary clock and integrating a bidirectional synchronization protocol, the bidirectional clock protocol adopts a bidirectional timestamp chain technology.The random check module between devices is used for performing random check between different slave devices based on a lightweight check protocol and generating a check result.The clock compensation module is used for compensating synchronization failure caused by long-term error and short-term error of a local device in a star flash wireless audio transmission process.The synchronization state monitoring module is used for monitoring the compensation process and a clock signal after compensation is completed.In the technical scheme implementation process of the application, through effective cooperation of a dynamic check and compensation mechanism, accurate synchronization of clocks of various devices is ensured, so that audio transmission quality is significantly improved, and the demand for sound field consistency in a long-time and multi-device scene is met.

This application relates to a method and system for ensuring data consistency between business systems based on bidirectional synchronization, belonging to the field of business data processing technology. The method includes: receiving incremental data events from at least two business systems and generating a vector label for each incremental data event; performing conflict detection on concurrently processed incremental data events based on the vector labels and outputting a conflict type identifier; selecting a corresponding synchronization channel based on the conflict type identifier and current system operating status parameters; transmitting the incremental data events to the target business system through the selected synchronization channel and monitoring the execution status, triggering a compensation transaction when execution fails; receiving response information returned by the target business system and updating the inter-system data flow topology based on the response information; detecting the existence of data loops based on the data flow topology, and performing loop blocking operations when a data loop is detected. This application can improve the collaborative efficiency and stability of multiple business systems.

The invention discloses a satellite flash wireless audio transmission system and a networking control method thereof, and belongs to the technical field of audio transmission, and the system comprises a double-clock source integration module which is used for generating a synchronous main clock and an auxiliary clock, and integrating a bidirectional synchronization protocol which employs a bidirectional timestamp chain technology; the inter-device random verification module is used for carrying out random verification among different slave devices based on a lightweight verification protocol and generating a verification result; the clock compensation module is used for compensating synchronization failure caused by long-term errors and short-term errors of local equipment in the satellite flash wireless audio transmission process; and the synchronization state monitoring module is used for monitoring the compensation process and the compensated clock signal. In the implementation process of the technical scheme provided by the invention, accurate synchronization of equipment clocks is ensured through effective cooperation of dynamic verification and a compensation mechanism, so that the audio transmission quality is remarkably improved, and the requirement of sound field consistency in a long-time and multi-equipment scene is met.

The present application relates to the field of civil aviation information technology, and specifically proposes a rule bidirectional synchronization method, system, device and medium, wherein the rule bidirectional synchronization method comprises: configuring rules of an open system or a host system through a front-end component; the open system or the host system generates an update request; based on the update request, the host system or the open system performs synchronization configuration; wherein the synchronization configuration comprises: when the open rules of the open system are configured as a first preset rule, the host rules of the host system are synchronized to be configured as the first preset rule; when the host rules of the host system are configured as a second preset rule, the open rules of the open system are synchronized to be configured as the second preset rule. The bidirectional synchronization of the business rules of the host system and the open system can be realized, the real-time performance of the bidirectional synchronization is ensured, so as to achieve agreement of the business rules and reduce the probability of errors. At the same time, the synchronization configuration process is simplified, the synchronization configuration efficiency is improved, fast response is realized, and the service quality is improved.

The application discloses a bidirectional synchronous link data transmission method, a communication device and a storage medium. The bidirectional synchronous link comprises a first direction link and a second direction link. A first device generates a first service data block, and a second device generates a second service data block. Each first service data block and each second service data block corresponds to a reserved transmission window in time sequence. The method comprises the following steps: for the first direction link and the second direction link respectively, in response to the completion of data transmission associated with a previous service data block, judging whether a current transmission window has sufficient residual time; and in response to the current transmission window having sufficient residual time, performing data transmission associated with a current service data block to be transmitted with the second device within the residual time. The application can optimize the synchronous link of the pre-allocated time slice, improve the fragmentation problem of the time slice available for other links, reduce the link switching frequency, and improve the scheduling efficiency.

The application discloses a kind of loop trolley double-side cross coupling synchronous deviation correction control method and system, it is related to industrial production line control technical field.The method respectively acquires the operating state parameter of left side execution unit and right side execution unit of loop trolley, constructs left side tracking error, right side tracking error and the synchronization deviation amount of bilateral synchronization relationship;With running direction, track section, bilateral response sequence, synchronization deviation expansion trend and abnormal contact characteristic information, construct loop trolley special disturbance attribution amount;Based on synchronization deviation amount and special disturbance attribution amount, generate left side correction distribution and right side correction distribution, realize difference cross coupling correction control by anti-oscillation state machine.The system includes bilateral state acquisition, synchronization deviation construction, special disturbance attribution, correction distribution, state machine control and execution control module.The scheme can inhibit loop trolley bilateral synchronization deviation amplification and correction oscillation, improve synchronization correction stability and operating reliability.

The invention discloses a vehicle-mounted multi-screen media synchronization control method based on a MediaSession framework, and the synchronization control method comprises the steps: creating a global media session manager at a system layer as a control center, and enabling each screen media application to register a MediaSession instance of the screen media application to the manager. The manager receives a control instruction from a multivariate input source and intelligently distributes the control instruction to a specific target instance according to a predefined routing policy instead of simple broadcasting, so that the problem of control logic dispersion is solved. Meanwhile, the manager aggregates the state changes reported by all the instances, generates a global state view and broadcasts and synchronizes the global state view, so that all the applications can update a local interface in a unified manner according to the global state view, and the consistency of the cross-screen display state is ensured. According to the synchronous control method, on the premise of being compatible with a standard framework, the technical problems of state asynchronization and control conflict in the vehicle-mounted multi-screen media system are effectively solved through centralized management and a two-way synchronization mechanism.

A process that exhibits: Writing data synchronously with a first clock signal of a first clock domain into an entry of a dual-port memory array; Generating an increment signal in the first clock domain; Determine that the increment signal changes near an edge of a second clock signal, where the second clock signal is a pausable clock signal; Delaying the next edge of the second clock signal of the second clock domain, wherein the next edge of the second clock signal is delayed until the metastability of the increment signal is resolved; and Transferring the increment signal to the second clock domain.

The application discloses a method and device for synchronizing data between dual-active systems. The application obtains a first task and a second task from a first system and a second system of the dual-active systems respectively, and determines a current target synchronization operation task based on time series, operation source marks and data primary keys, and a target operation address and an operation object of the target synchronization operation task, thereby avoiding execution confusion of the dual-active systems in a synchronization process, and enabling the target operation address to explicitly indicate whether the target synchronization operation task is one-way synchronization execution or two-way synchronization execution, so that data between the dual-active systems can be one-way synchronized and two-way synchronized, and real-time performance of the current target synchronization operation task is ensured.

This invention discloses a bidirectional synchronous rectification circuit and control method. The circuit includes: a primary terminal, a primary power detection module, a primary full-bridge module, a primary current monitoring module, a resonant circuit, a secondary current detection module, a secondary full-bridge module, a secondary power detection module, a secondary terminal, and a controller. The primary power detection module is connected between the primary terminal and the primary full-bridge module; the primary current detection module is connected between the primary full-bridge module and the resonant circuit; the secondary current detection module is connected between the secondary full-bridge module and the resonant circuit; and the secondary power detection module is connected between the secondary terminal and the secondary full-bridge module. The controller controls the operation of the primary / secondary full-bridge circuit and, after determining the input direction of the bidirectional synchronous rectification circuit, determines whether to activate synchronous rectification through power detection and temperature detection. The bidirectional synchronous rectification circuit and control method proposed in this invention realize the function of synchronous rectification, improving the system's response speed and reliability.

The invention relates to the technical field of civil aviation information, and particularly provides a rule two-way synchronization method, system and device and a medium, and the rule two-way synchronization method comprises the steps: configuring a rule of an open system or a host system through a front-end assembly; the open system or the host system generates an update request; based on the update request, the host system or the open system performs synchronous configuration; wherein the synchronous configuration comprises the following steps: when the open rule of the open system is configured as a first preset rule, the host rule of the host system is synchronously configured as the first preset rule; and when the host rule of the host system is configured as the second preset rule, the open rule of the open system is synchronously configured as the second preset rule. Bidirectional synchronization of business rules of a host system and an open system can be realized, and the real-time performance of bidirectional synchronization is ensured, so that the business rules are consistent, and the error probability is reduced. And meanwhile, the synchronous configuration process is simplified, the synchronous configuration efficiency is improved, quick response is realized, and the service quality is improved.

This invention discloses a mobile-first, cross-platform collaborative, lightweight accounting and bookkeeping system and method, belonging to the field of financial data processing and cross-platform collaboration technology. The system includes a mobile input terminal, a PC-based accounting management terminal, and a cloud-based collaborative service platform. The mobile terminal integrates simple document input, invoice image uploading, offline caching storage, and mobile approval modules; the PC terminal provides document review, intelligent voucher generation, ledger query, period-end processing, and hierarchical permission control; the cloud-based platform is equipped with a real-time bidirectional synchronization engine, a data conflict avoidance unit, and an accounting subject rule base. This invention resolves cross-platform data conflicts through an edit-locking mechanism, achieves offline operation capabilities through offline caching and incremental synchronization, and automatically generates compliant accounting vouchers from business documents, realizing mobile-first, real-time cross-platform collaboration, and automated accounting processing, significantly reducing the threshold and cost of enterprise bookkeeping.

The application provides a physical management system and method based on a bidirectional synchronization mechanism. The system includes a physical management module for handling management operations of general terminal devices and assigning unique serial numbers to each general terminal device; a data resource management module for storing and managing data resources related to general terminal devices; a synchronization interface set between the physical management module and the data resource management module for realizing communication and data synchronization between the two. The method includes a physical management module initialization step, a data resource management module initialization step, a device warehousing step, a device allocation step, and a data synchronization step. The application aims to realize automatic and real-time synchronization between physical resources and data resources, improve management efficiency and accuracy, and ensure data consistency and integrity.

A digital twin automated parking decision-making and planning and bilateral synchronous control method includes: establishing a vehicle digital twin automated parking system for unstructured parking scenarios; constructing a parking lot environment occupancy grid and signed distance field model; generating exhaustive candidate trajectories for all available parking spaces using a hybrid A* algorithm; performing piecewise smoothing optimization of the candidate trajectories using quadratic programming constraints; verifying the dynamic executability of the optimized candidate trajectories based on the CARLA parallel inference engine; constructing a multi-dimensional trajectory evaluation function and selecting the globally optimal parking reference trajectory; establishing a bilateral synchronization error model between the virtual vehicle and the physical vehicle; designing a hybrid A*-guided digital twin MPPI controller to generate virtual vehicle control commands and physical vehicle feedforward control quantities; and designing a physical vehicle feedback controller to enable the physical vehicle to track the globally optimal parking reference trajectory and achieve virtual-real synchronization.

The invention relates to a robustness clock synchronization parameter estimation method for an unmanned aerial vehicle cluster network, and belongs to the technical field of unmanned aerial vehicles. Obtaining sending and receiving timestamp information in a multi-round synchronization process through bidirectional synchronization message interaction between the master node unmanned aerial vehicle and the slave node unmanned aerial vehicle; based on timestamp information, aiming at the problem of synchronization precision reduction caused by multi-type random time delay distribution in an unmanned aerial vehicle cluster network scene, constructing a master-slave node clock synchronization model containing random time delay influence; performing joint estimation on the clock frequency offset and the clock phase offset of the slave node relative to the master node by adopting an optimal invariant estimation method; and correcting or compensating a local clock of the slave node according to an estimation result to realize time synchronization of each node in the unmanned aerial vehicle cluster network. The robustness and stability of time synchronization are improved in a highly dynamic and random time delay uncertain unmanned aerial vehicle cluster network environment, and the high-precision time synchronization requirements of multi-unmanned aerial vehicle cooperative sensing, formation control and task scheduling are met.

The application provides a data synchronization method and device, electronic equipment and a storage medium; wherein the method comprises: in response to a submission notification of any version manager, performing synchronization update checking on a preset synchronization warehouse to obtain a synchronization checking result, the synchronization checking result being used to indicate whether a first warehouse and a second warehouse in the preset synchronization warehouse are synchronized; if the first warehouse and the second warehouse in the preset synchronization warehouse are not synchronized, performing synchronization update on corresponding branches of the first warehouse and the second warehouse based on submission information of to-be-synchronized data, and in the synchronization update process, judging whether the to-be-synchronized data conflicts; if the to-be-synchronized data conflicts, performing synchronization update on the to-be-synchronized data that conflicts according to a preset conflict processing strategy to obtain a synchronization update result. In this way, the flexibility of bidirectional synchronization of different version managers can be improved.

The invention relates to a method and system for guaranteeing data consistency between business systems based on bidirectional synchronization, and belongs to the technical field of business data process.The method comprises the steps that incremental data events from at least two business systems are received, and a vector mark is generated for each incremental data event; performing conflict detection on the concurrently processed incremental data events based on the vector mark, and outputting a conflict type identifier; selecting a corresponding synchronization channel according to the conflict type identifier and the current system operation state parameter; transmitting the incremental data event to a target business system through the selected synchronization channel, monitoring an execution state, and triggering a compensation transaction when execution fails; receiving response information returned by the target service system, and updating the inter-system data flow topological graph according to the response information; whether a data closed loop exists or not is detected based on the data flow topological graph, and when the data closed loop is detected, loop blocking operation is executed. According to the invention, the collaboration efficiency and stability of the multi-service system can be improved.