454 results about "Synchronization system" patented technology

An apparatus and system are described for reducing user equipment (UE) power consumption after a 5th generation NodeB (gNB) indicates transition to a power saving mode. Different configurations and rules for the UE to identify and use monitoring or transmission occasions within the PSM active time, as well as modification of UE timers during the PSM, are provided. Discontinuous transmission (DTX) and reception (DRX) configurations are signaled to the UE and contain periodicity, start slot / offset, and on duration, as well as activation of the configurations by downlink control information (DCI). UE reporting and paging based on the configurations are provided when light synchronization system block (SSB) transmission or discovery reference signal transmission is used by the gNB.

A low-delay multi-protocol intelligent lighting synchronization system based on a unified abstraction layer comprises the steps that an instruction from a multi-protocol bridging module is received, and network round-trip time data of terminal equipment is acquired through an active detection mechanism; based on the network round-trip time data, adopting a Kalman filtering algorithm to construct a delay prediction model so as to predict the future network delay of the terminal equipment; inputting the instruction into a third-stage buffer area for processing, and dynamically adjusting the trigger frequency of the active detection mechanism according to the load state of the third-stage annular buffer area; calculating queue delay of the buffer area according to the received load state of the buffer area, and obtaining final sending time of the instruction in combination with future network delay of the terminal equipment; and at the final sending time, sending the instruction from the sending buffer area to the corresponding terminal equipment. According to the system, low-delay and high-stability synchronization of cross-protocol equipment in the field of intelligent illumination is realized.

The invention discloses a multi-mode perception collaboration and real-time synchronization system, which breaks through the limitation of vision / hearing in the prior art, covers vision, hearing, smell and movement, and realizes more accurate cooperation through a perception layer, a control layer and an execution layer. According to the invention, an immersive experience space full of shock and reality can be created, synchronous output of visual, auditory, tactile and olfactory signals is realized by means of high-precision equipment, and a series of cross-sensory signal superposition schemes are designed on the basis of response characteristics of human physiology and psychology to various sensory stimuli. Therefore, the overall perception of the experiencer to the space atmosphere is enhanced. Meanwhile, through weight distribution and conflict resolution, the system can flexibly adjust the sensing mode according to the environment and the user state. The multi-device cooperation error can be controlled at millisecond level and millimeter level, and the natural fusion of virtuality and reality is realized.

A coordinated optimization method for VSC-HVDC Frequency Synchronization Control and primary frequency regulation of hydropower includes: obtaining optimal PI parameters of the VSC-HVDC Frequency Synchronization controller from a first layer output of a dual-layer optimization model for coordinated parameters of VSC-HVDC Frequency Synchronization and primary frequency regulation; and obtaining a target PID control parameters from a second layer output of the dual-layer optimization model. The coordinated optimization method further includes adjusting the optimal PI parameters of the synchronization controller based on the target selection range and updating the PID control parameters of the primary frequency regulation system of hydropower based on the target PID control parameters. This approach aims to address the challenge of balancing the frequency response speed between the VSC-HVDC synchronization system and the primary frequency regulation system of hydropower.

The invention discloses an architecture system and method for large-scale task allocation, and belongs to the field of spaceflight measurement and control, and the system comprises a large-scale hardware device which is used for deploying processing units with different performances and various heterogeneous physical communication link resources; the hardware resource dynamic modeling and visualization framework is used for realizing a dynamic modeling system based on multi-source heterogeneous hardware topology perception; the resource topology awareness database captures and synchronizes system deployment changes by maintaining the dynamic topological relation of hardware resources, presents the life cycle state of the hardware resources, and supports system-level resource situation visualization and decision making; a versioning management engine of component arrangement is applied, a multi-version executable unit is packaged based on an atomization component, and an application instance is completed through a combined modeling component; and deploying a scheduling decision system for deploying a scheduling decision. The method can adapt to task deployment requirements of a current large-scale spaceflight measurement and control system.

The invention relates to the technical field of data synchronization, in particular to a digestive system department clinical information acquisition and synchronization system, which comprises a multi-source heterogeneous acquisition module for generating a standardized diagnosis and treatment sequence, a characteristic spectrum construction module for mapping a text and an image into vector nodes and constructing a dynamic diagnosis and treatment characteristic spectrum, the state fingerprint verification module calculates a map fingerprint Hamming distance to position a difference feature node, and the incremental collaborative synchronization module constructs an incremental data packet and sends the incremental data packet to the central server. According to the method, the multi-dimensional characteristic spectrum based on the diagnosis and treatment time sequence is constructed, discrete images and texts are converted into topological association units, heterogeneous data semantic level alignment and integrity verification are achieved, version conflicts and information faults are eliminated, meanwhile, a dynamic hash fingerprint difference comparison strategy is adopted, accurate recognition is achieved, and only substantial change nodes are transmitted; and the network load is reduced, and high real-time consistency and zero-loss circulation of whole-flow information are ensured.

The invention relates to the technical field of data management, and discloses a power grid material supply chain-based data intelligent management synchronization system, which comprises a weight distribution module, a material demand prediction module, a material allocation scheme preliminary generation module, a data feedback module and a target material synchronization scheme generation module, wherein an attention coefficient matrix of a power grid material supply chain is constructed based on an attenuation weight and a dynamic weight, and weighted fusion is performed on supply data to obtain a material demand prediction result; generating a preliminary material allocation suggestion scheme of the power grid material supply chain; collecting feedback information of the power grid material supply chain after the preliminary material allocation suggestion scheme is executed, and transmitting the feedback information to the preliminary material allocation suggestion scheme; dynamically adjusting the preliminary material allocation suggestion scheme by taking resource constraints and operation priorities of nodes in a power grid material supply chain as constraint conditions to obtain a target material synchronization scheme; the efficiency based on material supply management can be improved.

The invention relates to the technical field of pipeline inspection data transmission, and discloses a task linkage control inspection track local storage synchronization system, which comprises a channel transmission blocking self-adaptive regulation and control module, a task linkage control module and a task linkage control module, the task logic segmentation and delimitation module injects a service segmentation delimiter into an original data stream to establish a logic mapping boundary; according to the method, a dynamic mapping mechanism of a channel physical state and a service logic boundary is established, so that the problem of integrity verification of data synchronization in a low-bandwidth product environment is effectively solved; and while the communication signaling overhead is reduced, the space-time consistency and the traceability of the patrol track data are ensured.

Systems, methods, and devices perform synchronization operations for video streams. Methods include receiving a video frame at a frame capture unit, the video frame being included in a stream of video data, buffering the video frame using a buffer coupled between the frame capture unit and a frame display unit, and determining an offset value based, at least in part, on a refresh rate associated with the frame capture uni. Methods further include reading, using the frame display unit, the video frame from the buffer after a designated period of time defined by the offset value.

The invention relates to the technical field of photoetching machine data transmission, and discloses an ultra-high-speed distributed data transmission synchronization system of a direct-writing photoetching machine. The system comprises a dynamic exposure pulse analysis module which constructs a distributed transmission delay calculation model based on historical operation data, collects data such as a laser trigger pulse sequence in real time and outputs a theoretical transmission synchronization value; the multi-channel time sequence offset detection module generates a node-level multi-channel time sequence offset matrix through multi-dimensional comparison of the theoretical value and the actual transmission time sequence; the spatial topology mapping module is combined with the physical position and the link impedance parameter to generate a time sequence abnormal propagation path probability distribution cloud picture so as to locate a high-delay area; and the dynamic bandwidth allocation module configures a transmission strategy according to the data, starts redundant channel parallel transmission for a high-delay area, and implements dynamic clock offset compensation for adjacent nodes, so that the synchronization stability and transmission efficiency of data transmission are effectively improved.

An audio synchronization system including a transceiver and a processor is disclosed. The transceiver may be configured to obtain inputs from a plurality of vehicles. Each vehicle may include a plurality of exterior audio systems disposed at a vehicle exterior surface. The processor may obtain inputs from the transceiver, and determine a position of each exterior audio system relative to the audio synchronization system based on the inputs. Based on the position, the processor may determine a calibration setting of one or more exterior audio systems for each vehicle based on the position, and output information associated with the calibration setting to each vehicle to cause each vehicle to synchronize one or more exterior audio systems based on the calibration setting.

The invention discloses a business data index full life cycle treatment method and system based on a knowledge graph. The method comprises the following steps: constructing a dynamic knowledge graph which takes a business index, a derivative index, a data source, a business domain and an authentication process as entities and takes a blood relationship, a dependency relationship and an approval state as edges; the approval state is mapped into a map edge attribute in real time, and map updating is automatically triggered after approval is passed; analyzing the spoken language query through a natural language processing engine and returning a visual result with an interpretation path; a streaming processing engine is adopted to complete increment synchronization of downstream derivative indexes within five seconds after the index calibers are changed; the system is composed of a graph construction module, a process synchronization module, an NLP query module, a real-time synchronization module and a privacy protection module, and can be operated on general electronic equipment or a storage medium. The method has the advantages of real-time closed loop, zero-threshold interaction and verifiable privacy protection, and is suitable for data governance scenes in the fields of finance, e-commerce and the like.

This application provides an inverter carrier synchronization system, belonging to the field of inverter control technology. The system includes multiple inverter devices connected via cascaded communication. Each inverter device includes a CPLD unit, a drive unit connected to the CPLD unit, a fault output unit, and a fault identification unit. The CPLD unit generates or forwards a carrier synchronization signal. The first contact of the relay in the fault output unit outputs a fault status signal to the next-level inverter device. The first-level inverter device acts as the master, and the fault status signal output by any normal inverter device is low. When any inverter device loses power or malfunctions, its relay disconnects, causing the output fault status signal to be high. Upon detecting the high-level fault status signal, the next-level inverter device automatically switches to become the master of the downstream inverter device. This system effectively suppresses high-frequency circulating currents in the system, improving system operating efficiency and stability.

The invention discloses a clock synchronization system. The clock synchronization system comprises a trigger group and a frequency divider group, the trigger group comprises N triggers, and the frequency divider group comprises N frequency dividers; the trigger group receives N paths of clock signals and one path of SYNC pulse signal, the N paths of clock signals are respectively transmitted to the N frequency dividers, and the N paths of pulse signals output by the trigger group are respectively transmitted to the N frequency dividers, N is a positive integer greater than 1, through the technical scheme of the invention, the risk of generating a metastable state can be reduced, and the power consumption can be reduced at the same time.

The invention discloses a server clock synchronization system and method based on a BMC. The system comprises a real-time clock chip, a channel switching chip, a baseboard management controller and a server host. The real-time clock chip receives and stores BMC system time written by the baseboard management controller, maintains travel time based on the time and generates an interrupt signal through the interrupt output pin. And the channel switching chip switches an access channel to the real-time clock chip between the server host and the substrate management controller according to the level signal of the control pin. And the baseboard management controller obtains the access right by outputting the level signal, writes the BMC system time and sets the alarm clock time. And the server host responds to the interrupt signal, reads the hardware time data from the real-time clock chip and updates the system time. According to the invention, after the BMC modifies the time, the time synchronization can be completed without restarting the server host, the service interruption is effectively avoided, and the availability of a server system and the real-time performance of time management are improved.

The present application relates to the technical field of autonomous driving. Disclosed are a clock synchronization system and method. In the system, a global synchronization module achieves clock synchronization of a global computing device on the basis of a clock signal of a navigation device, and sends to a local synchronization module a square wave signal including a timestamp. The local synchronization module completes, on the basis of the timestamp included in the square wave signal, the resetting for a system clock of the local synchronization module. The local synchronization module includes a plurality of local computing devices, wherein when capturing a rising-edge pulse signal, a first local computing device sends a trigger signal to a trigger-type sensor according to a set pulse width and starts timing, such that the trigger-type sensor transmits collected data to the first local computing device, and when a timing duration reaches a set threshold, the first local computing device stops sending the trigger signal; and a second local computing device uses a system clock thereof as a clock source of a non-trigger-type sensor connected thereto. The present application achieves high-precision clock synchronization without requiring gateway support.

A system and method is provided for adaptive sharing of cached results in a distributed machine learning environment. The system receives compressed representations of input data from multiple devices and processes them through a model to generate responses. These responses are stored in both local caches and a shared global cache. Each response is evaluated for reuse and classified for privacy, allowing some to be shared widely, some only with select groups, and others to remain private. Usage patterns from different devices are combined to train models that guide which cached responses should be retained or synchronized. Synchronization is managed adaptively, adjusting when and how information is shared depending on network conditions, utility, and privacy budgets. Before sharing, privacy safeguards such as encryption or differential privacy are applied, and entries are distributed through a coordinating system that ensures consistency and avoids duplication across devices.

The invention discloses a control and hardware synchronization system for large-area printing splicing visual alignment, and relates to the technical field of machine vision and image processing, and the system comprises a data collection module which obtains fabric deformation, environmental parameters and visual feature data at high frequency; the deformation prediction module constructs a prediction rule based on the database and outputs deformation parameters; the pre-compensation parameter module calculates offset and generates a pre-compensation set; the hardware synchronization module synchronizes parameters by using a precision time protocol; and the circulating monitoring module compares the images and feeds back a correction instruction to ensure that splicing is accurate and efficient. According to the method, the preset fabric deformation database and the exclusive prediction rule are constructed, the deformation trend of the splicing area is pre-judged in advance, the precise visual alignment parameters are generated, different fabrics and working conditions are adapted, and the splicing precision is improved; meanwhile, precise time protocol dynamic calibration and error correction are utilized, efficient cooperation of parameters and hardware is achieved, closed-loop feedback optimization is combined, long-time stable splicing is ensured, production efficiency is improved, and cost is reduced.

The invention relates to an intelligent mapping and two-way synchronization system and method for a cloud disk and a local file system, and belongs to the field of IT and software development.The method comprises the steps that the intelligent mapping relation between the cloud disk and the local file system is established, and when a cloud disk mounting request initiated by a user through a local client side is received, the cloud disk mounting request is sent to the local client side; the intelligent mapping module obtains a cloud disk root directory structure by calling an interface of a cloud disk interface module, and converts the cloud disk root directory structure into a local virtual directory tree; the expansion attribute of the local file system is adopted to store the specific attribute of the cloud disk; when it is monitored that the files in the cloud disk or the local file system change, the mapping relation is refreshed; the change of the cloud disk file and the local file system is monitored in real time, and the bidirectional synchronization of the cloud disk file and the local file is realized. According to the system and the method, cloud disk attribute visualization, cross-platform compatibility and access efficiency optimization are realized.

An automated model based guided digital twin synchronization system is described. The system comprises visual sensors configured to acquire raw visual data of a physical 3D scene content from a real site, a database to provide a 3D model of the physical 3D scene content, a processor and a memory for storing computer-executable instructions executed by the processor. The instructions comprise an automated machine learning model based logic to: generate and maintain an as-built digital twin of the assets and large-scale infrastructures present in the physical 3D scene by ingesting the raw visual data to a common and binding structured representation, compare the as-built digital twin representation obtained from the real site against corresponding an as-planned digital twin to determine spatio-temporal differences between the as-built and the as-planned digital twins, and update automatically the as-planned digital twin to reflect any changes to the physical 3D scene based on the spatio-temporal differences.

Systems and methods for pulsing radio frequency (RF) coils are described. One of the methods includes supplying a first RF signal to a first impedance matching circuit coupled to a first RF coil, supplying a second RF signal to a second impedance matching circuit coupled to a second RF coil, and pulsing the first RF signal between a first parameter level and a second parameter level. The method includes pulsing the second RF signal between a third parameter level and a fourth parameter level in reverse synchronization with the pulsing of the first RF signal.

The invention relates to a dynamic data fusion-based virtual-real synchronization system and method for a digital twin system, and the system comprises a multi-modal data collection layer, a virtual-real mapping engine, a self-adaptive model updating module and a bidirectional control interface, and collects the multi-source sensor data of a physical entity in real time through an edge calculation node; high-precision dynamic matching of the physical coordinate system and the virtual model is realized by using a spatial three-point alignment algorithm; adaptively adjusting the simulation step length and the updating frequency of the digital twinborn model based on a reinforcement learning algorithm; closed-loop control of the virtual layer on the physical layer is realized through a bidirectional control interface; according to the method, the problems of model updating delay, difficulty in heterogeneous data integration, large transmission delay and the like are effectively solved, the synchronous delay is reduced to be within 50ms from 200ms, the model prediction accuracy is improved, real-time processing of 100,000-level concurrent data points is supported, and the real-time performance, the precision and the intelligent level of the digital twin system are remarkably improved.

A rotary mower blade position synchronization system with first and second rotary mower blades rotated by electric motors. First and second position sensors provide electric motor position signals to first and second control inverters. The control inverters communicate to run a calibrate routine to set the angle of the first rotary mower blade relative to the second rotary mower blade, and a synchronous operation mode to operate the first and second electric motors at rotational speeds that maintain the position of the first rotary mower blade relative to the second rotary mower blade when mowing.

The invention relates to the technical field of time-triggered network communication, in particular to a time-triggered Ethernet scheduling generation and synchronization system based on a hardware time axis construction engine. According to the system, a time axis structure consistent with global synchronization time is constructed on a switch side through hardware, sending time and a sending sequence of a time trigger frame configured by a user are directly mapped into a resource occupation relation on a time axis, and scheduling window mapping, conflict detection and window shaping are completed on a hardware level; therefore, a deterministic scheduling table is generated; through a double-table storage and time alignment switching mechanism, undisturbed updating and synchronous effectiveness of the dispatch table between the switch and the end system are realized. Compared with a traditional scheme of generating a scheduling table depending on a software algorithm, the method does not need a complex scheduling solution process, supports manual controllable configuration of time-triggered frame scheduling, and improves the certainty, autonomy and engineering realizability of the system.

The invention discloses a lossless switching and synchronizing system for multi-modal operation image signals, which relates to the technical field of multi-modal operation image signal processing and comprises an optical flow field coding module, a scene perception decision engine, a time-sharing imaging control module, a data co-processing interface and an exception handling unit. The optical flow field coding module constructs a unified space-time grid, and maps ultrasonic, endoscope and MRI images to grid nodes through cross-modal optical flow field calculation to generate a synchronous frame sequence; the scene perception decision engine dynamically outputs an optimal image mode combination instruction based on instrument position and tissue deformation strain rate data; the time-sharing imaging control module analyzes the instruction and generates imaging equipment excitation signal time sequence configuration; and the data co-processing interface encapsulates the synchronization frame sequence into a DICOM-RT format and transmits the synchronization frame sequence to the display terminal. The abnormality processing unit monitors signal abnormality and generates a compensation frame. According to the system, high-precision space-time synchronization and dynamic intelligent switching of multi-modal images are realized, and the precision and reliability of surgical navigation are improved.

This invention belongs to the field of target detection and recognition technology, and proposes a quantum radar experimental device based on a non-classical optical field. The device comprises a transmitter, a receiver, and a transmission-receiver synchronization system. The transmitter includes a light source unit, a non-classical optical field control unit, and a signal collimation and transmission unit. The receiver includes a signal collection unit, a detection unit, and a data discrimination unit. The transmission-receiver synchronization system enables clock synchronization and real-time communication between the transmitter and receiver. This invention can effectively overcome the high dependence of existing quantum radars on quantum entanglement, improve the ease of operation and equipment of quantum radar, enhance the detection capability of dark and small targets, and provide key technical support for the large-scale application of quantum radar in the future.

A clock synchronization (SYNC) system. The clock SYNC system comprises a trigger group (110) and a frequency divider group (120); the trigger group (110) comprises N triggers; the frequency divider group (120) comprises N frequency dividers; and the trigger group (110) receives N clock signals and one SYNC pulse signal, respectively transmits the N clock signals to the N frequency dividers, and respectively transmits to the N frequency dividers the N pulse signals outputted by the trigger group (110), wherein N is a positive integer greater than 1.

Systems and methods for clock synchronization are disclosed in which a primary node generates special physical laver clock sync symbols from the output of a reference clock and inserts the clock sync symbols within a symbol stream to one or more secondary nodes. Upon receiving a symbol stream, a secondary node can extract the clock sync symbols from the stream to synchronize its local clock with the reference clock of the primary node. In particular, the clock sync symbols can be inserted into the symbol stream at any arbitrary symbol location, e.g., even between consecutive symbols of a symbol encoded data frame. The clock sync symbols can also replace some control symbols in the symbol stream, such as idle or comma symbols. Accordingly, the clock sync symbols can be inserted into a symbol stream at fixed intervals, irregular intervals, or at any arbitrary time for high resolution clock synchronization.

The invention discloses a system for realizing synchronization between processor cores and a synchronization method thereof. The system comprises two or more local control units corresponding to the processor cores, and a global control unit, wherein the local control unit is connected with the corresponding processor core and the global control unit; the local control unit is set to receive a synchronization request from the corresponding processor core in the current synchronization period and send a synchronization state query request to the global control unit; receiving a synchronized state from the global control unit, and sending a first notification of ending the sending of the synchronization request to the processor core; and the global control unit is set to receive the synchronization state query request from the local control unit and return a synchronized state to the local control unit when detecting that all the processor cores initiate synchronization requests.