89 results about "Heartbeat" patented technology

This invention discloses a fire-fighting location and communication method and system that integrates multi-source sensing data, relating to the fields of fire-fighting location technology and communication technology. The invention significantly suppresses time drift at each node through a time calibration mechanism within the topological neighborhood. The corrected timestamp set generated by iterative correction ensures high consistency in cross-node timing, thereby improving the synchronization and reliability of multi-source data fusion. A dynamic generation strategy based on local gradients and communication status heartbeat signals enables the broadcast period to adapt to link fluctuations, improving network robustness in scenarios with thermal interference or smoke obstruction. Furthermore, the location and communication status table uniformly quantifies the location information interval, movement trend, and communication availability level, enabling synchronous optimization of location inference and communication routing selection, significantly improving the location accuracy and communication continuity for firefighters in complex environments.

The application discloses a kind of mobile equipment online examination methods, comprising: the behavior information of triggering at least two events in first event, second event, third event;According to two behavior information, output warning information;Examination program triggers pause event, and examination program is switched to background suspension operation;Heartbeat packet is sent to server;According to whether success of heartbeat packet reception, determine the data submission state of examination program;The data indicated by the input operation of user is sent to server and is stored in local answer database with encryption;When current examination program state is submission failure, supplement in local answer database is identified;Login current examination program, and the data in local answer database is uploaded according to version number.The application not only realizes full coverage monitoring to online examination cheating behavior, but also improves recovery success rate in abnormal submission scene.The application also discloses a system, electronic equipment and storage medium for implementing the above method.

The application discloses an improved method, system and medium for improving the reliability of wireless communication of a power distribution terminal. The method comprises: stopping the main station from sending services such as total calling, time, heartbeat, request link state and link test during remote control operation, and resuming the process after the remote control process is completed; adding remote control conditions for local discrimination by the power distribution terminal; extending the discrimination duration of communication timeout; and sending burst remote signaling and burst remote measurement messages occurring within a cycle time by separate packaging in units of cycle time, thereby improving information transmission efficiency. The application is dedicated to low signal areas and is compatible with IEC60870-101 protocol, and solves the low remote control success rate caused by hardware problems by using software modification; the terminal discriminates remote control conditions when the main station performs remote control operation, and effectively solves the remote control failure problem by adding a put-off constant value.

This invention relates to a high-density sensory mattress, comprising a mattress body, flexible tactile sensors, and a circuit. The mattress body has recessed grooves in which multiple flexible tactile sensors are disposed. The flexible tactile sensors are characterized by comprising an upper insulating layer, an upper electrode layer, a middle pressure-sensitive layer, a lower electrode layer, and a lower insulating layer. The middle pressure-sensitive layer is located between the upper and lower electrode layers. Both the upper and lower electrode layers consist of several evenly spaced linear electrodes. The circuit comprises a signal acquisition unit and a host computer. The signal acquisition unit uploads the acquired signals to the host computer via Bluetooth communication. This high-density sensory mattress can not only analyze the user's sleeping posture but also obtain the user's breathing and heartbeat signals through changes in pressure values, providing data support for assessing the user's sleep quality.

This invention discloses a method and system for monitoring and resetting the software heartbeat of a spaceborne receiver. The system includes a dual-channel GNSS positioning module, a dual-channel orbit determination module, and an antifuse FPGA chip. Both the GNSS positioning module and the orbit determination module have corresponding primary and backup FLASH memory. The antifuse FPGA acts as the heartbeat monitoring and control center, connecting to the GNSS positioning module and the orbit determination module via GPIO interfaces. It receives the software heartbeat signals from each module and sends reset commands to faulty modules via reset pins. This solution solves the problems of poor radiation resistance, low fault identification accuracy, and low recovery efficiency in existing spaceborne receiver software fault monitoring.

The present application relates to the technical field of automation control, in particular to a control system for a photovoltaic module automatic installation device, the system comprising: a main control mechanism for system initialization and communication conversion; a feeding mechanism for providing photovoltaic modules; a remote control mechanism for sending control signals to the main control mechanism; a mechanical arm industrial computer for communication interaction with the main control mechanism using a heartbeat packet mechanism, the main control mechanism receiving control signals from the remote control mechanism and converting them into control signals, and the mechanical arm industrial computer receiving the control signals and controlling the gripping mechanism or the identification mechanism to perform corresponding operations; an identification mechanism for collecting photovoltaic module images based on the control signals, determining the installation position of the photovoltaic module, and generating an execution command and transmitting it to the mechanical arm industrial computer; a gripping mechanism for obtaining the execution command of the mechanical arm industrial computer and performing gripping and / or installation operations on the photovoltaic module. The mechanisms work efficiently and cooperatively to achieve accurate and rapid installation of photovoltaic modules.

The present application relates to the technical field of psychophysiological monitoring, and discloses a video psychophysiological index analysis method and system; the method comprises the following steps: positioning facial key points and partitioning from a video, extracting remote optoelectronic plethysmography pulse wave and action unit breathing characteristics, outputting heart rate and breathing signals through Kalman filtering; obtaining a heartbeat interval through peak value detection, calculating heart rate variability indicators and breathing frequency, and normalizing by establishing an individual baseline in an initial calm period; fusing emotional characteristics and normalized indicators to form an observation vector, inferring a stress state through an unsupervised model and a forward algorithm; detecting index mutation points to identify stimulus events, and adopting a gated recurrent unit network to predict excessive stress risk and grade early warning; storing multi-session data into a database, quantifying desensitization rate, tolerance and recovery capacity through linear regression, weighted scoring and model updating. The present application realizes contactless monitoring, real-time stress evaluation and early warning, and supports quantitative analysis of cross-training effects.

The application discloses a kind of high availability methods of double-copy database based on arbitration, comprising: when activated arbitration module is determined that one virtual data node fails by listening to the heartbeat of two virtual data nodes in the double-copy Raft group, another surviving virtual data node is authorized as assigned leader Assigned_Leader, and the Assigned_Leader is independently provided with service in single-copy mode;The virtual data node that fails initiates election according to data volume as the elected standard after recovery online, so that the Assigned_Leader with more data is selected as the leader Leader, and the virtual data node Vnode2 that recovers online is selected as the follower Follower, then the Leader synchronizes the data during failure to the Follower, so that the data of both is completely consistent, so that the system recovers normal double-copy Raft mode.

The application provides a fault processing method, device, equipment and storage medium. The method comprises the following steps: obtaining a timestamp of a load balancer instance from a load balancer instance data table, wherein the timestamp is used to represent the time of the last received heartbeat packet of the load balancer instance. If the timestamp is expired, a state interface of the load balancer instance is called to query the state of the load balancer instance. According to the state of the load balancer instance, the load balancer instance is processed. The method of the application avoids the situation of resetting the load balancer instance by mistake, improves the fault processing accuracy of the load balancer instance, and improves the user experience.

A device may receive TU data associated with TUs, and may identify a problematic TU from the TU data. The device may extract TU messages from the TU data associated with the problematic TU, and may calculate a faulty event score, a faulty location score, a faulty battery score, a faulty alerts score, a faulty other score, and a heartbeat score based on the TU messages. The device may calculate a faulty TU score for the problematic TU based on the faulty event score, the faulty location score, the faulty battery score, the faulty alerts score, the faulty other score, and the heartbeat score, and may aggregate the TU messages into aggregated TU messages. The device may process the aggregated TU messages, with an LLM, to determine a problem with the problematic TU and an explanation of the problem, and may perform actions based on the problem and the explanation.

Providing data protection by distributing backup data among a large plurality of distributed devices. A number of networked devices are deployed to protect data of a target device in the network. Each device of contains memory sufficient to store at least a portion of backed up data from the target device. Index information for backup data of the target device stored in each device. A cyber-attack condition is detected by a heartbeat or canary signal. Upon detection of an attack the devices enter a lockdown mode. The index information is used to reconstruct the backed up data from the portion of backed up data stored on each respective device.

Disclosed are a firmware detection system and method for a recoverable fault, a storage medium, and a server. The method includes: acquiring target fault information stored in a fault register, and transmitting the target fault information to a baseboard management controller (BMC); parsing the target fault information by the BMC, and determining a fault type; controlling, by the BMC, a virtual external device to transmit a target heartbeat request to a server operating system according to a preset transmission period when the fault type of the target fault information is a recoverable fault, and receiving response data fed back by the server operating system and determining, by the BMC, that the server operating system has a crash if detecting that the response data fed back by the operating system is interrupted within a preset time period, and determining a faulty component in the server according to the target fault information.

The application discloses a network false connection processing method and device, electronic equipment and program product, and relates to the field of financial technology, and comprises the following steps: periodically reading heartbeat parameters from a data set file through a data exchange function module of a host end; matching the heartbeat parameters with each keep-alive attribute and filling in the parameter values corresponding to each keep-alive attribute; successfully establishing a network connection between the host end and a gateway end, starting a sub-service process in which the data exchange function module is located; detecting whether there is data interaction between the host end and the host end by using a data interaction function module, obtaining a detection result; in the case that the detection result exceeds the parameter value corresponding to the keep-alive attribute and there is no data interaction, confirming that the connection path between the host end and the gateway end is abnormal, and closing the sub-service process in which the data exchange function module is located. The application solves the technical problem that the detection of the false live phenomenon in the related art relies on human intervention, the efficiency is low, and the flexibility and response speed of the system are reduced.

A Modbus multi-device convergence forwarding method and system based on RK3588, in the method, according to the device information, a continuous TCP slave register address space is allocated for each sub-device; a mapping table is generated and stored in the local storage; the data of each sub-device is collected; if a temporary cyclic redundancy check error is detected, a preset number of retransmissions are performed; if the retransmission fails, the corresponding sub-device is marked as a communication abnormal state, and the sub-device is skipped in the next polling cycle; the successfully transmitted data is written into the corresponding TCP slave register address space according to the mapping table and sent to the remote server; the mapping table is updated when the device hot plug is detected, and the remote server is synchronized through the heartbeat packet; based on the pre-trained time series data model, the successfully transmitted data is detected; when it is detected that the successfully transmitted data deviates from the prediction confidence interval, it is determined that the data is abnormal, and the abnormal data is marked and added to the heartbeat packet. The present application is used for improving the reliability of data acquisition.

This application provides a heartbeat packet transmission method, communication device, and storage medium, relating to the field of communication technology. The method includes: obtaining a heartbeat packet transmission strategy for a target industrial device; obtaining the current heartbeat packet generated by the sending device; determining whether a heartbeat packet caching condition is met based on the sequence number of the current heartbeat packet and the sequence number of the cached heartbeat packet; if the heartbeat packet caching condition is met, caching the current heartbeat packet and encapsulating the cached heartbeat packet of the target industrial device according to an aggregation window to obtain a heartbeat packet to be transmitted; and sending the heartbeat packet to be transmitted to a second device in an industrial private network, so that the second device sends the heartbeat packet to be transmitted to a receiving device. The sending device is the target industrial device, and the receiving device is a service server; or the sending device is a service server, and the receiving device is the target industrial device. Even if a heartbeat packet is delayed in transmission, the encapsulated heartbeat packet can still be transmitted to ensure that the receiving device receives the heartbeat packets in order.

This disclosure relates to the field of intelligent control technology, and in particular to a method and apparatus for providing a heartbeat proxy for mining equipment. The method includes: acquiring heartbeat data from multiple mining devices and application heartbeat data from multiple remote control applications; monitoring the current health status of each mining device based on the heartbeat data, and at least monitoring the current application health status of each remote control application based on the application heartbeat data; broadcasting the current health status of any mining device to the remote control application that is interested in the mining device if the current health status changes; and controlling the downlink heartbeat proxy task from the remote control application to the mining device that is interested in the remote control application based on the current application health status of any remote control application. This disclosure can optimize the communication efficiency between mining equipment and remote control applications, reduce network load, and improve system reliability and response speed.

The application discloses a self-adaptive heartbeat keep-alive method and device, a client and a computer readable storage medium. The method comprises the following steps: when the keep-alive state of a northbound interface is initialized as a high-frequency detection state, periodically sending a registration packet to a controller at a first preset frequency; when a registration feedback packet from the controller is received, switching the keep-alive state from the high-frequency detection state to a low-frequency stable state, and adjusting the sending frequency of the registration packet to a second preset frequency, wherein the first preset frequency is higher than the second preset frequency; in the low-frequency stable state, starting a timeout timer, and if the registration feedback packet is not received after the timer expires, switching the keep-alive state back to the high-frequency detection state. By dynamically adjusting the heartbeat frequency, the application can ensure high reliability and fast response of the connection, and significantly reduce the bandwidth resource occupation of the control packet.

Time of day (ToD) registers provide respective virtual ToDs corresponding to the occurrence of edges of input clock signals being supplied to an integrated circuit. The integrated circuit generates a heartbeat clock signal having a frequency higher than a SYNC signal and time stamps the heartbeat clock signal to generate heartbeat time stamps. The heartbeat time stamps are used along with the time stamps of the input clock signals to determine the time of day corresponding to occurrences of edges of the input clock signals.

This invention provides a method and apparatus for monitoring communication. The method includes the following steps: a flight control computer sends a heartbeat synchronization signal to an actuator control electronics device via a data bus; upon receiving the heartbeat synchronization signal, the actuator control electronics device generates a random heartbeat number and sends it to the flight control computer via the data bus; the flight control computer wraps the received random heartbeat number back to the actuator control electronics device; the actuator control electronics device receives the wrapped random number from the flight control computer and determines the communication status between the flight control computer and the actuator control electronics device based on the consistency between the random heartbeat number and the wrapped random number. This method enables timely response and isolation of communication failures between the actuator control electronics device and the flight control computer, ensuring flight safety after a failure and ultimately improving the safety of the flight control system.

This invention relates to a dual-probe switching control system for a coordinate measuring machine (CMM), comprising: a host computer; and a signal switching device having a serial port interface, a power interface, and multiple sets of relay output interfaces. During probe switching, the host computer sends a probe switching signal to the serial port interface, causing one of the normally closed and normally open output interfaces to output a signal to switch to the probe using the corresponding output interface, and sends a signal back to the host computer indicating successful probe switching. The system also sets parameters for the successfully switched probe and receives measurement signals from the host computer. During measurement using the switched probe, the host computer monitors the heartbeat communication signal between the control cabinet and the signal switching device in real time. This invention enables reliable switching between dual probes and ensures reliable operation of the switched probes.

This disclosure relates to the field of autonomous driving for vehicles, and provides a method, apparatus, device, and storage medium for determining control commands based on a computing platform. The method includes: acquiring first heartbeat packet data sent from a primary computing platform to a backup computing platform and second heartbeat packet data sent from the backup computing platform to the primary computing platform based on a determined target heartbeat transmission cycle; monitoring the heartbeat online status and control command online status of the backup computing platform based on the current activation status of the primary computing platform; and determining whether the primary computing platform and the backup computing platform have achieved automatic switching based on the current activation status of the primary computing platform, the first heartbeat packet data, the second heartbeat packet data, the heartbeat online status of the backup computing platform, and the control command online status of the backup computing platform, and sending chassis control commands based on the automatic switching result. This disclosure enables automatic computing platform switching between the primary and backup computing platforms.

This application relates to the field of advanced driver assistance systems (ADAS), and particularly to a method, device, electronic device, and medium for ADAS redundancy control of a vehicle. The method includes: acquiring the heartbeat data and operating status of the ADAS domain control system; receiving video data of the vehicle sent by a video splitter when the vehicle meets preset redundancy control conditions based on the heartbeat data and operating status of the ADAS domain control system; and performing path planning and generating vehicle control signals based on the video data and the vehicle's own status, enabling the vehicle to execute corresponding actions based on the vehicle control signals. This solves the problem that if the domain control fails during power redundancy backup within the same domain control, the power backup function cannot be enabled. By adding an independently powered video splitter and cockpit domain control, power can be switched to another backup domain control when the ADAS domain control fails, thus achieving a safe redundancy backup function for the ADAS domain control.

This invention discloses a method, system, and storage medium for atrial fibrillation detection based on a stacked waterfall plot of heartbeats on electrocardiograms, belonging to the field of biomedical signal processing and machine learning technology. The method extracts heartbeat waveform data using the R-wave position as an anchor point, performs individualized grayscale normalization using the voltage range of the PR segment as a reference, and stacks multiple normalized heartbeat waveforms vertically in chronological order to generate a two-dimensional grayscale waterfall plot image. Then, it achieves dense prediction per heartbeat through multiple independent sigmoid output nodes of a two-dimensional convolutional residual network. On a multi-center independent test set of approximately 5.9 million heartbeats, the method achieved an F1 score of 0.9944 and a recall rate of 99.88%. This invention preserves the original waveform morphology information, has good multi-device compatibility, and is suitable for electrocardiogram acquisition devices with various lead configurations.

This invention relates to a VPX management and control arbitration device and method based on the Loongson 2K chip, belonging to the field of intelligent management and control and its localization technology. This invention, through a multi-bus, multi-redundancy mechanism, can achieve real-time decoding output of B-code timing information, multi-channel switching output of video and control functions, and interconnection of gigabit Ethernet networks. The core chip adopts an independently controllable domestic design, unaffected by bans. In unattended operation, the arbitration device can monitor the heartbeat of external host modules in real time, performing real-time monitoring, management, and control, achieving hot backup from modules to applications and rapid response intelligent management and control. All external display and control outputs are implemented by the arbitration device; the external host module only needs to focus on control calculations, while the management tasks are centralized in the arbitration device, and tasks are distributed among modules, reducing the failure rate.

The application discloses a kind of based on big data's communication information real-time transmission method and device, it is related to Internet of Things communication technical field, the abnormal window is established when communication information unit meets abnormal trigger condition, and from abnormal window, the abnormal abstract package containing abnormal event type, abnormal start time, current transport location, handover responsibility node, goods sensitivity level, state trend, confirmation demand and evidence association identification is generated;When communication link is in transmittable state, abnormal abstract package or update package is sent before associated evidence data and communication information unit that does not meet abnormal trigger condition, so that the recovery link during broken link recovery or link jitter first carries the abstract information required for abnormal disposal, reduces the transmission blockage of abnormal disposal information to ordinary sampling, trajectory and state heartbeat.

This invention discloses a cluster scheduling component and method suitable for isolation devices, including a configuration center, a third-party database, a monitoring service module, and a liveness detection service module. The second-party database includes a data source connection pool and an interceptor. Each data source connection in the data source connection pool connects the business system to the database via its corresponding isolation device. The interceptor is connected to the data source connection pool and the isolation device, sending data obtained from the database to the business system, or sending a failure heartbeat to the monitoring service module when the isolation device is determined to be in a faulty state. The liveness detection service module connects to the test database through data source connections marked as offline and their corresponding isolation devices. When it detects that the isolation device has recovered, it sends a success heartbeat to the monitoring service. The monitoring service module modifies the configuration file in the configuration center to mark the status of each data source connection. This invention enables dynamic scheduling and management of isolation devices, improving service reliability.

The application discloses a scene-based arbitration and redundancy switching method, a computer device and a storage medium. The method comprises the following steps: after the system is powered on, initialization is performed, and self-checking and state synchronization of a master controller and a slave controller are performed; if the self-checking or the state synchronization fails, a limp-home mode is entered; if the self-checking and the state synchronization succeed, the master controller and the slave controller are controlled to enter a normal working mode and parallel processing, and a periodic monitoring process is executed by an arbitration module; the periodic monitoring process comprises the following steps: it is judged whether a monitoring period arrives; if the monitoring period arrives, it is checked whether a heartbeat signal of the master controller is normal; if the heartbeat signal is normal, the quality of a wheel speed signal is checked; if the quality is abnormal, a scene-based arbitration processing process is executed. When a master system microcontroller unit fails, the embodiment of the application can quickly switch to a slave system microcontroller unit to maintain basic braking functions.

An information processing device (2) comprises: a protocol transmitter (24) that sends a monitoring protocol generated in the information processing device (2) to a SOC (28); a HIDS monitoring device (14) that verifies the integrity of the protocol transmitter (24); and a monitoring RoT (12) that verifies the integrity of the HIDS monitoring device (14) and repeatedly outputs a heartbeat signal to the protocol transmitter (24). Each time the heartbeat signal is output by the monitoring RoT (12), the protocol transmitter (24) sends the heartbeat signal to the SOC (28). If the integrity of the protocol transmitter (24) is anomalous, the HIDS monitoring device (14) outputs a stop-out request signal to the monitoring RoT (12) to request that the monitoring RoT (12) stop outputting the heartbeat signal. The monitoring RoT (12) stops the output of the heartbeat signal based on the output stop request signal.

The application discloses a kind of remote equipment automatic lock and recovery system and method, including control intelligent agent cluster module, control intelligent agent cluster is divided into central control cluster and factory control cluster, form two-level control system;Distributed storage module, store equipment real-time state data, provide uniform data read-write interface for all control nodes, ensure multi-node data consistency by atomic operation and concurrent control;Equipment intelligent agent module, deployed in the embedded module of remote equipment, send heartbeat packet according to period, execute lock or unlock instruction, and keep power supply in lock state, ensure that heartbeat link with control end is unobstructed.It also provides a method applied to the above system, the application has high accuracy in loss of contact determination, strong reliability in lock operation, efficient and convenient recovery process, and high security in unlocking cooperation.

The present application relates to a kind of heartbeat data storage optimization method and system, the method comprises the following steps, step 1: after the client device and the long link of certain instance of server are established, it needs to independently apply a block of memory as local heartbeat cache in the instance, to store heartbeat cache data;Step 2: when heartbeat request or long link message changes of client device appear, all are sent to local heartbeat cache;Step 3: set an asynchronous thread, periodically scan heartbeat cache data in local heartbeat cache and filter unexpired heartbeat cache data;Unexpired heartbeat cache data is uniformly collected to unified cache and is stored.The present application can effectively aggregate heartbeat sending package, reduce heartbeat sending times.At the same time, heartbeat expiration function is handled by original unified cache, disassembled local and unified cache are handled respectively, further reduce data processing amount, improve the efficiency of overall system.