89results about "Synchronous operation arrangements" patented technology

The invention provides a water network monitoring method and system based on intelligent water supply and drainage, and the method comprises the steps: obtaining multi-source heterogeneous monitoring data of a water network in real time, carrying out the unified format conversion and time-space synchronization processing of the multi-source heterogeneous monitoring data based on a protocol adaptive fusion mechanism, and obtaining a standardized multi-source time series data set; performing exception identification processing on the standardized multi-source time sequence data set based on the time-varying statistical characteristics and the dynamic control limit to obtain a candidate exception event set; performing multi-sensor cross validation processing on the candidate abnormal event set based on a pipe network topological space association knowledge graph to obtain a high-confidence abnormal event set; performing reverse scene matching analysis on the high-confidence abnormal event set based on a hydraulic numerical simulation model to obtain a preliminary positioning area; performing positioning optimization processing on the preliminary positioning area based on a graph theory pressure wave propagation algorithm to obtain an abnormal position; and performing multi-dimensional fusion display processing on the abnormal position to generate a monitoring report. According to the method, accurate positioning of the abnormal position is realized.

This application provides a clock synchronization method and a control system for a control system. The control system includes a first controller and a second controller. The first controller includes a first clock unit and a second clock unit, and the second controller includes a third clock unit. The clock of the first clock unit is different from the clock of the third clock unit, and the clock of the second clock unit is the same as the clock of the third clock unit. The method includes: the first controller and the second controller adding a timestamp to sensor data using a first clock, wherein the first clock is either the clock of the first clock unit or the clock of the third clock unit, ensuring clock consistency of the sensor data, thereby improving the accuracy of subsequent business processing.

This invention discloses a method and system for risk assessment in building engineering based on multi-source anomaly monitoring, specifically relating to the field of building engineering risk assessment. The method includes analyzing the mapping and backhaul latency characteristics of equipment-to-component nodes based on multi-source monitoring data received during idle task periods, establishing a cross-device time alignment model and a pseudo-synchronization segment time offset trajectory, identifying potential anomaly path sets through latency drift trends, and providing a temporal feature basis for subsequent structural anomaly reasoning and risk assessment. Based on the final pseudo-synchronization segment index matrix and channel path mapping, the method derives the node triggering order and temporal causal chain. By receiving multi-source monitoring data during idle task periods and establishing a cross-device time alignment model, the method effectively identifies timing misalignment problems caused by mechanisms such as cache latency and packet loss retransmission, preventing historical anomaly data from being misjudged as future risks from the source.

The invention relates to the technical field of signal transmission, in particular to a centralized meter reading method, an acquisition terminal and a fusion terminal. The method comprises the following steps: after establishing Bluetooth communication connection with a plurality of electric energy meters, dividing the plurality of electric energy meters into different communication quality groups based on a joint evaluation result obtained by measured Bluetooth signal strength and communication error rate of each electric energy meter, and configuring adaptive communication configuration parameters for each group; according to the communication configuration parameters, a differential broadcast strategy is adopted to synchronously send a meter reading instruction to each electric energy meter, and power utilization data is received in parallel; and in response to a polling request of the fusion terminal, sending the cached power consumption data to the fusion terminal. By jointly evaluating the Bluetooth signal strength and the communication error rate, dynamically configuring the communication configuration parameters and implementing the differentiated broadcast strategy, the concurrency and reliability of meter reading in a high-noise environment can be improved, the communication conflict and retransmission rate are effectively reduced, and the data acquisition efficiency and the overall stability of centralized meter reading are improved.

The invention belongs to the technical field of monitoring, and particularly provides a multi-objective optimization simulation water conservancy flood prevention monitoring method, which comprises the following steps: collecting real-time water flow data through a high-density sensor network, calibrating original signals collected by different monitoring points by adopting a time synchronization mechanism, and obtaining a water flow sequence under the same timestamp; according to the water flow sequence under the same timestamp, noise and deviation are processed through a Kalman filtering algorithm, heterogeneous data of the upstream monitoring point and heterogeneous data of the downstream monitoring point are fused, and a smoothed multi-source fusion water flow value is obtained; if the smoothed multi-source fusion water flow value exceeds a preset threshold value, triggering spatial interpolation calculation, and correcting a time-space difference in combination with a terrain model to obtain an overall water flow distribution diagram of the river reach; extracting peak region features from the overall water flow distribution diagram of the river reach; the invention aims to solve the problem that river water flow monitoring and flood risk prediction cannot be performed in the prior art.

A data alignment method, a system, and a vehicle-mounted terminal. The data alignment method comprises: acquiring world time information and selecting a constraint mode for a trigger signal; on the basis of the world time information and the constraint mode, outputting the trigger signal to corresponding sensing devices, so that the sensing devices acquire preliminary sensing data on the basis of the trigger signal; and on the basis of the constraint mode, selecting a corresponding alignment mode to perform alignment processing on the preliminary sensing data, so as to acquire final sensing data. The present application solves the problem that a back-end sensing fusion application cannot obtain accurate sensing information due to mismatch between sensing content of sensing devices.

This invention discloses a network synchronization device that may include a matched filter. The matched filter may be configured to generate an event for synchronizing the operation of elements in the network, at least in part in response to a timing frame generated at a network switch. The event for synchronizing the operation of the element may include a first event generated at least in part in response to first information associated with a first element and a second event generated at least in part in response to second information associated with a second element. Related systems and methods are also disclosed.

This application discloses a method and system for pre-collecting curve data based on user clustering analysis. The method includes: first, acquiring the data collection messages sent by the concentrator; then, performing clustering analysis on the user behavior in the distribution area based on the data collection messages to generate multiple user types; next, sending a broadcast start collection command to the carrier station; and upon receiving the collection completion instruction from the carrier station, collecting the carrier station's data in a unicast concurrent manner according to the multiple user types. This application enables refined management of different users at the carrier level and achieves higher-frequency collection functions for different user types, improving the flexibility and reliability of carrier services while ensuring data integrity and synchronization.

The present invention discloses a method and apparatus for analyzing protocol data bits of an AK protocol wheel speed sensor, the method including the steps of receiving a current signal transmitted by an AK protocol wheel speed sensor and converting the current signal into a first voltage signal and a second voltage signal, capturing the times of the rising and falling edges of the first voltage signal and the second voltage signal and saving a first timestamp set and a second timestamp set, obtaining timestamps of a complete set of protocol data bits as protocol data timestamps based on the first timestamp set and the second timestamp set, and analyzing the protocol data bits based on the protocol data timestamps to obtain a value of each protocol data bit. The embodiment of the present invention can reduce product costs, ensure supply chain security, and improve enterprise competitiveness.

Method for time synchronization of sensor units (SU) in a distributed system, wherein sensor data (SD) are acquired by the sensor units (SU) and transmitted to a central unit (CU) via a radio network (RFN), and wherein, upon acquisition of sensor data (SD), a further, current value of the internal time unit (FC) of the respective sensor unit (SU) is stored, and wherein the acquired sensor data (SD) is assigned at least the value of the internal time unit stored upon reception of the characteristic time feature of the identification signal, the associated transmitter identification of the identification signal, and the further value of the internal time unit (FC) stored upon acquisition of the sensor data (SD) and are transmitted together with the sensor data (SD) to the central unit (CU), and wherein the central unit (CU) acquires voltage and phase values ​​of at least one of the three phase conductors of a power supply network as a current phasor over more than one measurement period (p).and the current phasors of the respective sensor unit (SU) are aggregated into aggregated current phasors (IH1p), and the aggregated current phasors (IH1p) are transmitted to the central unit (CU), and in the central unit (CU) powers are calculated in phase from the voltage values ​​and the aggregated current phasors (IH1p).

Disclosed herein is an electronic device that includes a plurality of user accessible control buttons, a memory module, and at least one processor coupled to the memory module. The electronic device is to be paired with another electronic device. The processor is configured to: generate a pairing message comprising information that specifies a configuration and capabilities of the electronic device, wherein the information lists the user accessible buttons; monitor user actions resulting from performing a sequence that is displayed on a display device, wherein the sequence was generated by the another electronic device in response to receiving the pairing message and based on the information in the pairing message, such that the sequence contains actions that can be performed using the electronic device; and broadcast indicia specifying the monitored user actions, wherein the another electronic device receives the indicia and determines that the monitored user actions match the sequence and, in response, pairs with the electronic device.

A wireless management system and method are provided. The system synchronizes a first clock of a control substrate and a second clock of each of multiple energy storage units based on a first time calibration signal transmitted by the control substrate. The energy storage units measure energy storage devices of the energy storage units at a designated time point based on a measurement signal transmitted by the control substrate to obtain multiple measurement data, wherein the measurement signal is configured to indicate the designated time point. The control substrate obtains the measurement data corresponding to the designated time point from the energy storage units based on a reply signal transmitted by the energy storage units.

A method for time synchronization of sensor units (SU) in a distributed system, wherein sensor data (SD) is acquired by the sensor units (SU) and transmitted via a radio network (RFN) to a central unit (CU), and wherein, upon acquisition of sensor data (SD), a further, current value of the internal time unit (FC) of the respective sensor unit (SU) is stored, and wherein the acquired sensor data (SD) is assigned at least the value of the internal time unit stored upon reception of the characteristic time feature of the identification signal, the associated transmitter identification of the identification signal, and the further value of the internal time unit (FC) stored upon acquisition of the sensor data (SD) are assigned and transmitted together with the sensor data (SD) to the central unit (CU), and wherein the central unit (CU) acquires voltage and phase values ​​from at least one of the three phase conductors of a power supply network, from which synchronization data (t0EGSp,Tp) for frequency or period, as well as for the phase angle of the voltage of at least one of the three phase conductors with respect to the acquisition time of the voltage and phase values ​​of at least one of the three phase conductors are determined and transmitted to the sensor units (SU), and the respective sensor unit (SU) acquires the respective sensor data (SD) in the form of current values ​​with respect to the synchronization data (t0EGSp, Tp), which are transmitted to the central unit (CU), and in the central unit (CU) power is calculated from the voltage values ​​and current values.

A data measurement system (10) that comprises a plurality of measurement devices (130), a signal transmitter (110), and a data processing device (150). The signal transmitter (110) transmits trigger signals to the plurality of measurement devices (130). The data processing device (150): acquires measurement data that was measured between a start signal that corresponds to a trigger signal transmitted at a first time and an end signal that corresponds to a trigger signal transmitted at a second time that is later in time than the first time from each of the plurality of measurement devices (130); makes the start signals and the end signals of the acquired data coincide in time; and presents the measurement data from the plurality of measurement devices (130) to a user.

The invention relates to the field of data acquisition, and discloses a multi-level access type data acquisition device and a multi-party collaborative grassroots governance system.The device comprises a machine body, a sensing module, a display module, a level interconnection module, an access module, a notch, a movable plate base, a first positioning piece, a wire arrangement base set, a main control board, a second positioning piece and a telescopic driving assembly; a plurality of compartments for data cables to pass through are formed in the cable management seat group, a fixed end interface for the data cables to access is mounted on the main control board, and the telescopic driving assembly drives the end part of the cable management seat group to move, so that the cable management seat group is extended or shortened to adjust the length of a traveling path of the data cables between the first positioning piece and the second positioning piece. According to the invention, when wireless communication interruption or delay occurs, the equipment is manually switched to a wired transmission mode, the continuity and timeliness of data transmission are ensured, and based on a multi-party collaborative grassroots governance system, the integrated, intelligent and efficient levels of grassroots governance are integrally improved.

This application provides a clock synchronization method of a control system and a control system. The control system includes a first controller and a second controller, the first controller includes a first clock unit and a second clock unit, and the second controller includes a third clock unit. A clock of the first clock unit is different from a clock of the third clock unit, and a clock of the second clock unit is the same as the clock of the third clock unit. The method includes: The first controller and the second controller add a timestamp to sensor data by using a first clock, where the first clock is the clock of the first clock unit or the clock of the third clock unit, to ensure clock consistency of the sensor data. This improves accuracy of subsequent service processing.

The disclosure relates to synchronising measurement data for engine health monitoring when using more than one engine health monitoring system. Example embodiments include a method of synchronising sensor data from first and second engine health monitoring, EHM, systems installed on an engine, each EHM system having a plurality of sensors configured to measure parameters of the engine, the method comprising: acquiring first and second sensor data from the plurality of sensors at the first and second EHM systems; logging the first sensor data against a first time signal from the first EHM systems and the second sensor data against a second time signal from the second EHM system; acquiring a side channel signal from a side channel sensor mounted to a cable or connector connected to the first EHM system; deriving a timing signal from the side channel signal; determining a timing difference between the first and second time signals from the derived timing signal; and adjusting the second time signal for the second sensor data to align the second sensor data in time with the first sensor data.

A remote control device is disclosed. a remote control device includes: a user interface; a memory storing at least one instruction and a plurality of binary codes; a communication interface; and at least one processor operatively connected with the user interface, the memory, and the communication interface and configured to execute the at least one instruction to: identify, based on a user command receiving through the user interface, a binary code corresponding to the user command from among the plurality of binary codes, identify, based on a pre-set number of bit units, a plurality of bit groups corresponding to the binary code, and control the communication interface to transmit a first pulse signal corresponding to the plurality of bit groups.

This invention discloses a method for synchronous data acquisition from multiple Bluetooth gauges, addressing the technical problems of low data acquisition efficiency and insufficient automation in existing technologies. It belongs to the field of production inspection data acquisition and information technology. The invention includes multiple Bluetooth gauges, a smart terminal, and a Manufacturing Execution System (MES). The smart terminal has a built-in data acquisition app. The Bluetooth gauges are responsible for performing measurements and uploading measurement data to the data acquisition app. The data acquisition app enables unified management of the Bluetooth gauges and processing of measurement data. The MES system is used to receive, store, parse, and manage the inspection measurement data.

The invention provides a broadband carrier and micropower wireless dual-mode communication data acquisition method and device, and relates to the technical field of electric power communication. The method comprises the following steps: issuing acquisition task configuration information to a first dual-mode communication module; the first dual-mode communication module is controlled to distribute the data items and the collection periods to the second dual-mode communication modules according to the task numbers, and the second dual-mode communication modules are controlled to obtain the collected power data; in the acquisition period, controlling the first dual-mode communication module to send a freezing data request message to each second dual-mode communication module, controlling each second dual-mode communication module to package the power data into a freezing data response message according to the freezing data request message, and sending the freezing data response message to the first dual-mode communication module; controlling the first dual-mode communication module to convert the frozen data response message into a report message; and a report message sent by the first dual-mode communication module is received, the report message is analyzed to obtain the electric power data, and minute-level data acquisition can be realized.

A measurement system (10) includes: a measurement unit (22A) configured to perform measurement a plurality of times on the basis of a first clock signal having a first clock period to obtain a plurality of measurement results; a time stamp provision unit (22B) configured to provide a time stamp indicating a measurement time to each measurement result obtained in the second period among the plurality of measurement results obtained using the measurement unit (22A) the basis of a second clock signal having a second clock period longer than the first clock period and having better period accuracy than the first clock signal; and a measurement time correction unit (32B) configured to correct a measurement time of a measurement result in accordance with a period specified using two time stamps and the number of measurement results obtained during the period. As a result, it is possible to obtain a measurement result to which a measurement time with a small time lag with respect to an actual time is provided with low power consumption.

In some implementations, a sensor may determine a delay latency value associated with an amount of time from completion of a set of sensor tasks to an actual time of reception of a trigger to selectively transmit or sample sensor data. The sensor may calculate a deviation of the delay latency value from a target delay latency. The sensor may transmit a data frame including an indication associated with the deviation of the delay latency value from the target delay latency.

To provide a battery monitoring device, a method for wirelessly transmitting battery-related information, and a program that can suppress the number of wireless transmissions of battery-related information.SOLUTION: A battery monitoring device 40 includes a plurality of monitoring units 44 that acquire battery-related information including at least information indicating the status of a battery, and a wireless communication unit 46. The wireless communication unit 46 wirelessly transmits the battery-related information acquired by the plurality of monitoring units 44 to a control device 50.SELECTED DRAWING: Figure 5

An electronic circuit device (100) for acquiring an analog signal. The device (100) comprising: - a data line (110), one or more control lines (120) of which at least a clock line (120a), and configured for transmitting a stored digital measurement result using the data line (110) and the one or more control lines (120), in accordance with a synchronous serial communication protocol; - a detection means (130) for recognizing a synchronization pulse on one of the one or more control lines (110) or on the data line (110); wherein the device (100) is configured for - repetitively measuring the analog signal or for measuring the analog signal triggered by the synchronization pulse; and for - storing one or more digital measurement results or combinations thereof when triggered by the synchronization pulse.

This invention discloses a control method and system for fitness equipment. The method includes: a data acquisition device synchronously acquiring multimodal data of a user during training and sending the multimodal data to a control device, wherein the multimodal data includes physiological characteristic data, movement data, and environmental data; the control device constructing a multidimensional ability profile of the user based on the multimodal data using a profile construction model, and generating a training plan based on the multidimensional ability profile, acquired training input data, and historical training data using an intelligent decision model, wherein both the profile construction model and the intelligent decision model are models sent from a cloud server; the fitness equipment receiving the training plan sent by the control device and controlling its own output parameters according to the training plan. This invention improves the effectiveness of exercise training while ensuring safety.

This application provides a control system, a clock synchronization method, a controller, a node device, and a vehicle, and relates to the field of electronic technologies in the automotive field. In the control system provided in this application, a primary controller directly sends a reference clock signal to at least one node device by using a ring network, so that the at least one node device can perform timing based on a frequency of the reference clock signal. In this way, precision of clock synchronization between the primary controller and the node device can be improved to precision equal to a pulse width of the reference clock signal. In addition, because the control system includes the ring network, it can be ensured that there are redundant paths during signal exchange between the primary controller and the node device, thereby ensuring reliability of signal transmission.

Methods and systems are described herein for time synchronization of a distributed sensor array system ("distributed system"). The distributed system includes multiple sensor nodes, which are time- synchronized using a combination of RF signal data and message-based time techniques across multiple communications mechanisms. Time synchronization is implemented both internally between a sensor node's components and over-the-air between different sensor nodes. The distributed system further employs multiple layers of standardized and custom synchronization protocols to build a scalable, potentially zero-hop, time transfer network. The time synchronization accuracies achieved by the time transfer network enable coherency in the distributed system.

A method for calculating qualimetric data by a qualimetry device (Q) in communication with a meter (C) of an electrical network through a serial link, said method comprising the following steps implemented by the qualimetry device (Q): - Receiving (S100) at a time t a synchronization frame from said meter (C), said synchronization frame comprising an identifier indicating that said frame is a synchronization frame, a serial number of the meter (C), information representative of the type of meter (C), information indicating whether the neutral current is measured by said meter (C), a frequency and a sampling type, a frequency of said electrical network, and applying a time offset Δt at time t to determine the start of a period (T) of a clock of the meter (C) by calculating t-Δt;- Receive (S102), during period (T), N sample frames from said counter (C), N being a positive integer, each sample frame comprising an identifier indicating that said frame is a sample frame, a sample frame number and voltage and current samples for at least one phase; and - Calculate (S104) quality data from the information contained in said synchronization frame and in at least a part of said N sample frames.