598 results about "Data link" patented technology

A wind energy plant with a nacelle, a rotor, which features at least one rotor blade adjustable in its blade pitch angle, a central control device for controlling the wind energy plant and a control unit disposed in the rotor for controlling the blade pitch angle of the at least one rotor blade, wherein the central control device and the control unit in the rotor can exchange data with each other via a data link, which comprises at least one first sending and receiving device at the nacelle side and at least one second sending and receiving device at the rotor side, wherein a wireless network connection with a safety-oriented communication protocol is provided between the at least one first sending and receiving device and the at least one second sending and receiving device, and that one monitoring- and communication device at a time is associated to the first and / or the second sending and receiving device, which can monitor the function of the sending and receiving device and initiate a predetermined action in the case of an error.

A pest control system is disclosed comprising an optical, computational, and monitoring subsystem, optionally mounted on a mobile platform. The optical system may include a neutralizing laser or multi-wavelength light source, discovery and detail cameras (optionally stereo), a beam-steering mechanism, tunable focus, and optional thermal or depth sensors. The processor, such as a GPU or FPGA, identifies insect or biological targets, adjusts laser focus by depth, and controls beam activation. A monitoring system verifies safety by detecting humans or other non-target entities using environmental and thermal cameras; if detected, laser firing is inhibited. The mobile platform may use wheels, propellers, tracks, or cables, with GPS and data links for remote control. A visible light pre-flash may induce a blink reflex before firing. In some embodiments, a scouting drone transmits target coordinates to the neutralization unit, enabling coordinated, efficient, and safe laser-based pest control.

The invention provides a real-time fraud detection method and system based on multi-modal fusion, and belongs to the technical field of financial transaction fraud detection.The method comprises the steps that firstly, payment behaviors, transaction texts and account behavior data are connected in series through a transaction event unique identifier, and a real-time multi-modal transaction data link is formed; generating an inter-modal fraud association link based on the inter-modal fraud association link; performing interactive operation to obtain cross-modal fraud intermediate features; constructing a transaction fraud tendency path according to a transaction link time sequence; and finally, analyzing the transaction fraud tendency path to determine a fraud association level, generating a fraud response instruction containing a transaction blocking instruction and risk notification content, and transmitting the fraud response instruction to a transaction processing system to terminate the transaction, so that multi-modal data can be comprehensively integrated, a transaction time sequence is considered, and the fraud detection accuracy and real-time performance are improved.

The invention discloses an unmanned aerial vehicle group temporary communication network construction method based on visual self-organization. The method comprises the following steps: establishing an unmanned aerial vehicle node system and a security audit management system to realize flight control and message encryption exchange; airborne perception is realized through a visual candidate site identification system, and multi-modal data fusion and site scoring are carried out; domain autonomy and weighted election are realized by using a distributed voting and election system, and relay nodes are determined; scheduling, monitoring and self-adaptive reconstruction of a multi-hop path are completed based on a multi-hop relay and route maintenance system; and target detection, positioning and emergency document reporting are executed through the search and rescue positioning and situation return system. According to the method, voice and data links can be quickly recovered when ground communication facilities are damaged or unavailable, and under the condition of limited communication and energy, an unmanned aerial vehicle group can autonomously identify a safe position in a distributed manner and negotiate to establish a reliable multi-hop communication network, so that emergency rescue and positioning services are supported.

The invention provides a full-link data tracing processing method and system for a cross-border home supply chain, and relates to the technical field of supply chain management, and the method comprises the steps: 3, dividing a plurality of data unit sets which are correlated with each other based on the process data of the supply chain, determining a reference data unit set, and obtaining two groups of different data correlation rules; analyzing an interaction relationship between the two groups of data association rules, establishing a data state identification range, and selecting two data verification reference points in the data state identification range; and according to the evolution relationship of the data verification reference point on the time sequence, the evolution span is quantified by calculating the comprehensive distance between two points on the time and data feature dimensions, a data state evolution path is constructed to generate a data calibration coefficient, and a data link track comprising a timestamp and link information is formed. According to the invention, full-link data tracing of the cross-border home supply chain is realized, and the collaboration efficiency of each link of the supply chain is improved.

The invention relates to the technical field of industrial intelligent control, and discloses a multi-model collaborative optimization industrial MES intelligent control system. The system comprises a data analysis module, a knowledge enhancement module, a collaborative decision engine module, a decision fusion module and a control execution module. And the data analysis module executes tree structure-based data link analysis on the MES multi-source heterogeneous data, and constructs a production data tree structure with a multi-layer father-son relationship. And a knowledge enhancement module injects a domain knowledge template into each node of the structure to form a knowledge-enhanced production data graph structure. And the collaborative decision engine distributes the graph structure to a plurality of heterogeneous artificial intelligence models for parallel analysis through the unified service gateway. And the decision fusion module performs fusion processing based on confidence weighting on the output of each model to generate a comprehensive control decision instruction, and finally the control execution module drives the MES to complete production adjustment, equipment optimization and material scheduling. According to the system, the accuracy, the real-time performance and the interpretability of industrial intelligent decision making are improved.

The invention relates to the technical field of unmanned aerial vehicle application, and discloses a multi-degree-of-freedom dynamic light field system based on an unmanned aerial vehicle, a cooperative control method of the multi-degree-of-freedom dynamic light field system and a dynamic light field device. The ground control station is used for editing programs and sending instructions; the unmanned aerial vehicle group is composed of a plurality of unmanned aerial vehicles carrying the dynamic light field devices; the communication unit is used for establishing a data link between the ground control station and the unmanned aerial vehicle group; and the main controller on each unmanned aerial vehicle sends cooperative control signals to the flight control system, the first driving mechanism and the second driving mechanism of the unmanned aerial vehicle. Through the synergistic effect of the first driving mechanism and the second driving mechanism, the rotation of the rotating drum in the vertical direction can be controlled, and meanwhile, the rotation of each ball head assembly in the horizontal direction can also be controlled, so that irradiation of each laser module in different azimuth angles within a certain angle range can be realized, and the display effect of the unmanned aerial vehicle group light curtain is improved.

The invention relates to the field of low-altitude safety prevention and control, and provides an unmanned aerial vehicle collaborative interception method and device and a storage medium. The method comprises the following steps: scanning by a ground monitoring command and control subsystem to detect an invading target unmanned aerial vehicle; after the target unmanned aerial vehicle is detected, the target unmanned aerial vehicle is aligned for re-checking identification, and information of the target unmanned aerial vehicle is solved in real time after successful identification; the ground monitoring command and control subsystem generates an interception instruction based on the calculated target unmanned aerial vehicle information and a preset threat evaluation rule; issuing the interception instruction together with target unmanned aerial vehicle information updated in real time through an encrypted data link; the air interception subsystem flies to a predicted encountering point after receiving an interception instruction and target unmanned aerial vehicle information; and when the distance with the target unmanned aerial vehicle is smaller than a preset threshold value, activating an airborne dual-light fusion AI visual guidance system to lock the target unmanned aerial vehicle, and executing a corresponding tail end disposal operation according to a disposal mode specified in the interception instruction.

The invention discloses a sweep frequency interference modeling and interference optimization method for a remote control data link of an unmanned aerial vehicle. The invention provides: 1) a transmitter-receiver adaptive modeling system based on unmanned aerial vehicle signal priori parameters; 2) an interference source generation system which comprises four modulation types of single-tone interference, random binary code modulation interference, PN code MSK interference and pulse interference and integrates two modes of stepping frequency sweeping and frequency hopping frequency sweeping; and 3) an interference strategy intelligent optimization system based on a particle swarm optimization algorithm. Performing similarity verification through DTW, and establishing a high-fidelity communication link model; connecting an interference source to a communication system by adopting a front door coupling mechanism, and constructing a bit error rate-oriented black box optimization model; and finally, carrying out mechanism analysis on an optimization result through a multi-dimensional interference effectiveness evaluation system. According to the method, an efficient interference parameter optimization scheme is provided for the unmanned aerial vehicle countering defense system, the optimization convergence speed is remarkably improved while the interference efficiency is guaranteed, and the method has important application value in the field of low-altitude security and protection.

The invention provides a data link multi-dimensional domain signal communication method, which comprises the steps of performing cross-domain association deconstruction on a data link space-time-frequency multi-dimensional signal and error feature data in an electromagnetic environment to obtain a space-time-frequency domain original feature set, and synchronously integrating signal propagation feature data and error source attribute data to generate a multi-source association data cluster, a space-time frequency multi-dimensional fusion feature topology is generated; a multi-dimensional domain collaborative error-resistant model is constructed based on space-time-frequency multi-dimensional fusion feature topology, dynamic weight distribution and error suppression strategy iterative optimization are performed on space-time-frequency domain error-resistant weight parameters and error suppression strategy parameters in combination with a space-time-frequency domain resource adaptation rule, and a multi-dimensional domain error-resistant regulation and control instruction is generated; and performing space-time-frequency collaborative optimization processing on a data chain transmission signal according to the multi-dimensional domain error-resistant regulation and control instruction to obtain an error-resistant optimization signal, synchronously acquiring transmission quality data of a link feedback signal, and performing reverse fine tuning on a multi-dimensional domain error-resistant regulation and control instruction parameter through a deviation between the transmission quality data and a preset quality threshold value.

The invention relates to the technical field of building construction, and discloses a BIM (Building Information Modeling) deepening-based steel reinforced concrete composite column ultra-large-span corridor construction method, which comprises the following steps of: constructing a multi-modal sensing building information model, and integrating a fiber bragg grating and a distributed acoustic sensor on a steel member to form an intelligent member; establishing a data link between the intelligent component and the sensing BIM center and calibrating the data link; dynamic optimization control based on strain feedback is carried out on collaborative hoisting, and internal quality monitoring based on multi-modal sensing fusion is carried out on concrete pouring; after construction is completed, digital twin baseline calibration is carried out, and a data packet containing a structure initial state vector is generated. According to the method, the multi-modal sensing system and the BIM are deeply fused, and the whole construction process is penetrated, so that real-time, closed-loop and quantitative control of key procedures is realized, the safety, accuracy and quality of super-large complex structure construction are remarkably improved, and a high-fidelity digital twinning baseline is established for structural health monitoring of the whole life cycle of a building.

The invention discloses a parking path planning method and related equipment, and relates to the technical field of vehicle control, and the method comprises the steps: obtaining environment information of a target parking space and a parking starting point and a parking terminal point of a vehicle; constructing a grid map corresponding to the environment information; executing a mixed A * search algorithm in the grid map, performing node expansion on the parking starting point to form a grid index sequence, and storing node state information in the node expansion process in a data chain table according to a grid index corresponding to the node state information; and generating a target parking path from the parking starting point to the parking ending point based on the grid index sequence. According to the method, a node expansion and index linked list management mechanism based on mixed A * is introduced into the grid map, the feasible node state is completely reserved on the premise of meeting the vehicle motion constraint, the continuous, reliable and high-performability parking path can be generated, and the stability and success rate of parking path planning are improved.

A portable electronic device comprising a microcontroller, a secure element, and at least one peripheral component controlled by the secure element, wherein the secure element is connected to the microcontroller through a first serial data link and is connected to the peripheral component through at least one second serial data link. At least one digital input of the peripheral component is connected to at least one digital input / output of the microcontroller and the secure element is configured to send to the microcontroller, via the first data link, control commands of said digital input / output of the microcontroller such that it provides a specified signal on the digital input of the peripheral component.

The invention discloses a manned space mission scene design and orbit analysis interaction method, which comprises the steps of S1, defining a space mission scene, and defining a mission target, a mission range and a mission constraint; s2, an MBSE model is constructed according to the scene, and modeling of a system architecture, function requirements and performance indexes is achieved; s3, generating an activity graph and an executable script based on the MBSE model, and establishing script execution logic; s4, starting simulation according to the activity graph and the script; s5, realizing linkage of MBSE simulation and track analysis software, and constructing a joint simulation environment; and S6, generating an orbit analysis scene in joint simulation, simulating a spacecraft trajectory, and generating a visual result and a parameter report. According to the method, a data link between the MBSE model and an orbit analysis tool is broken through, the problems of low manual construction efficiency, asynchronous parameters and insufficient verification are solved, the space mission scene design efficiency, model consistency and simulation reliability are remarkably improved, and effective support is provided for rapid design and optimization of complex manned space missions.

A panel product and related systems and methods include a code directly or indirectly linked to data regarding one or more physical parameters and / or the manufacturing of the product or of the batch the product is taken from. The panel product involves a system and method for manufacturing such panel products, and a method for authenticating and / or tracking panel products with computer-traceable data linked to the code.

This invention discloses a ranging method and system based on a network data link, relating to the field of wireless communication ranging technology. The method includes the following steps: synchronizing the clocks of all nodes in the network and aligning the transmit and receive timings between nodes; each node in the network transmitting a synchronization signal within its allocated fixed transmission time slot according to a preset fixed frame structure; the receiving node calculating the theoretical time at which it receives the synchronization signal when the signal propagation delay is zero based on the synchronization clock and the preset fixed frame structure, and recording the actual time of receiving the synchronization signal; and the receiving node calculating the distance between itself and the node that transmitted the synchronization signal based on the time difference between the theoretical and actual times. This invention effectively eliminates ranging errors caused by crystal oscillator clock deviations between nodes, requires no external satellite signals or two-way signaling interaction, and achieves ranging by multiplexing the synchronization signal. It significantly reduces hardware costs while achieving high-precision, low-latency, and environmentally adaptable inter-node ranging.

The invention provides a skip list supporting dynamic real-time data range query, a maintenance method and system and a data range query method and system.The query method comprises the steps that from a high-level index, backward traversal is conducted layer by layer through index nodes, and if the key of a data node corresponding to the current index node is smaller than start, backward traversal continues; if the key of the data node corresponding to the current index node is greater than end, descending to the next layer of index, and if the data link table is the bottommost layer of data link table, traversing the bottom layer of data nodes by utilizing a basic range query process; and if the unique identifier of the data node corresponding to the current index node is between start and end, processing by using a recursive divide-and-conquer process, and finally accumulating query results obtained by recursive divide-and-conquer. The method has the advantages that the statistical information is maintained in the index node, so that the statistical information can be directly used during query, and the query efficiency is greatly improved.

A virtual fiber communication system includes a central cloud server that obtains telemetry information from a plurality of network nodes in a backhaul network. The network nodes include hybrid analog-digital repeater devices. The server also obtains frequency-spectrum availability metadata and custom-defined spectrum-access parameters from spectrum-owner nodes. The server causes each hybrid analog-digital repeater to form dual analog data links on a first and a second polarization with at least one neighboring hybrid analog-digital repeater. Using the telemetry information, the frequency-spectrum availability metadata, and the custom-defined spectrum-access parameters, the server detects spectrum-availability variations across the network nodes, determines routing paths for a first type of UEs designated as premium users, generates control signals that assign data streams to rented or leased spectrum frequencies, and selects one of the routing paths to deliver the data streams to the premium UEs while satisfying the custom-defined spectrum-access parameters.

Various aspects of the present disclosure generally relate to wireless communications. In some aspects, a central device may establish a data link associated with a connected isochronous flow (CIS) via a control link. The central device may send data associated with the CIS over the data link. The central device may suspend transmission of the data associated with the CIS via the control link. Numerous other aspects are described.

The application provides a PCIe data link recovery method and a PCIe system, and relates to the technical field of PCIe communication technology.When it is determined that the current board card is an EP end, a MODprel signal is acquired, and it is determined whether the MODprel signal is a low level; wherein the MODprel signal is used to indicate whether an optical module is in place; if the MODprel signal is a low level, a first RXLOS signal is acquired, and it is determined whether the first RXLOS signal is a low level; wherein the first RXLOS signal is used to indicate whether an optical signal is in place; if yes, an RSSI signal is acquired, and the PCIe data link is reset according to the value of the RSSI signal, so that the data link is recovered; wherein the RSSI signal is used to represent the size of optical power. The application has the effect that the PCIe system can automatically re-establish a chain after the optical module or the optical fiber line is plugged in or unplugged.

The invention discloses a coherent PON system and a transmitting-receiving end IQ time delay compensation method, and relates to the technical field of optical access networks, the coherent PON system transmitting-receiving end IQ time delay compensation method comprises the following steps: configuring an OLT and an ONU end, enabling respective transmitting ends to transmit signals to respective receiving ends, and enabling the respective transmitting ends and the receiving ends to adopt the same light source; respectively calculating IQ time delays of respective sending ends and receiving ends, and storing results locally; and recovering the uplink and downlink data links of the OLT and the ONU for data transmission, and directly using the locally stored IQ time delay for compensation. According to the invention, the sending and receiving IQ time delays of the OLT and the ONU end can be accurately calculated, so that the problem of subcarrier mirror image crosstalk is solved.

The application discloses a water and electricity data analysis system and method based on data blood relationship, relates to the technical field of data analysis, and comprises the following steps: obtaining a metering node, an analysis unit and deployment event data; defining a blood relationship characteristic dimension and obtaining corresponding original support data; obtaining a blood relationship benchmark system based on the analysis unit and metering node data; defining a blood relationship characteristic dimension calculation rule and configuring a weight; calculating blood relationship correlation strength based on the blood relationship characteristic dimension calculation rule; determining an initial mapping scheme based on the blood relationship correlation strength; defining a constraint rule to optimize the initial mapping scheme to obtain an optimal mapping scheme; solidifying the optimal mapping scheme into a final mapping relationship, generating a blood relationship tracing archive and an optimization process report and feeding back. The application can effectively improve the situation that the data link is unstable due to the non-fixed installation of temporary building water and electricity equipment and the short use cycle in the prior art.

This application relates to the field of floor wear assessment technology, and in particular to an intelligent assessment method and device for the wear degree of hotel stone floors. The method includes: synchronously and in real-time acquiring high-resolution standardized images, dynamic wear sensing data, and environmental condition data of the hotel stone floor through a multimodal sensor network; analyzing the high-resolution standardized images using a deep learning model based on a convolutional neural network to extract static wear features; based on the static wear features, dynamic wear sensing data, and environmental condition data, learning the wear degree variation law over time under multiple driving factors through a preset time-series prediction model, and predicting the wear level of key areas within a preset future time period; constructing a digital map of the hotel floor, and visually displaying the predicted wear level, real-time wear data of each area, and historical wear data linked to the digital map. This application contributes to achieving accurate wear degree assessment.

Systems, apparatuses and methods provide technology that identifies a codeword associated with a fluid cooling system and a network system, generates a status update with the network system, embeds the codeword as a repeating cyclic codeword in a message containing the status update, transmits the message from the network system to the fluid cooling system over a data link, receives the message at the fluid cooling system, and determines, with the fluid cooling system, whether interference is inserted into the message based on the repeating cyclic codeword in the message.

The present disclosure relates to the technical field of bus communication, and provides a networking system and method based on IEEE 1394 protocol. The system comprises a central hub, a target hub and a target terminal device. The central hub comprises a plurality of central connection ports, and there is an intercommunication data link between each two of the central connection ports. The target hub comprises a target uplink port, which is connected to one of the central connection ports through a target cable complying with IEEE 1394 technical specification. The target terminal device is connected to one of the target downlink ports of the target hub through a target cable. If a first connection port of the central connection ports receives a data packet sent by the target terminal device, the central hub forwards the data packet to a second connection port of the central connection ports based on a load balancing algorithm. The technical scheme provided by one or more embodiments of the present disclosure can effectively integrate the device resources of multiple hubs.

The invention discloses a municipal engineering quality assessment method and system based on big data, and relates to the technical field of municipal engineering quality management. Comprising the following steps of creating a unique identification code for a municipal engineering project and binding engineering data to form a data chain, comparing inspection data with standard data to generate a first difference signal, comparing actual cost with budget cost to generate a second difference signal, performing logic consistency verification to generate a first risk signal, and performing risk verification on the first risk signal. And calculating a comprehensive risk value according to the first difference signal and the first risk signal, and generating a first early warning signal and triggering sampling inspection when the comprehensive risk value exceeds a third threshold value. According to the method, tamper-proof data is constructed by creating a unique identification code and a data link, counterfeiting behaviors influencing the engineering quality are identified through logic consistency verification, and a dynamic risk threshold matrix and a self-adaptive sampling inspection algorithm are adopted, so that supervision resources are accurately allocated according to risk values, and the initiative and accuracy of quality supervision are comprehensively improved.

The invention is a test system for testing silicon wafers or packaged devices. The system includes a tester having multiple testing stacks that each hold a vertical stack of test engines, data buffers, pin drivers, and other resources, which are electrically connected on one side to a wafer or DUT and on the other side to a test host computer via fast data links. Each testing stack is disposed on a top side of a wafer contactor electrically connected to a wafer or a load board electrically connected to a DUT. The system includes a cooling system to remove heat during operation. The system minimizes the data signal path between the pads of the devices being tested and the pin drivers of the tester, the test engines, and the test host computer. High performance is possible by the connection of bottom of each testing stack directly to the wafer contactor.

This invention provides an automated testing device for UAV data links, including an industrial control computer, a display, a spectrum analyzer, a programmable DC power source, a programmable adjustable attenuator, a fixed attenuator I, a fixed attenuator II, a power divider I, a power divider II, an RF switch, a shielded box I, and a shielded box II. The software of the industrial control computer includes a system management module and an automated testing module. The advantages of this invention are: it uses general-purpose testing equipment, is based on a computer-automated program, and controls the settings of each testing device via a bus to simulate remote control, telemetry, image data transmission and reception, and bit error rate statistics; it achieves automated testing of core functional performance indicators of UAV data links such as power consumption, transmit power, spectrum, functionality, receiver sensitivity, bit error rate, and latency.

In a computation graph database, the updating of values includes identifying an entity that is changed and executing data link programs of links connecting the entity that changed with other entities, and updating the values of the entities that are connected to the changed entity.

A battery diagnosis device may include a database configured to store design data during design process for a battery, process data collected during a process of manufacturing the battery, evaluation data collected during a process of evaluating the battery, and field data collected during a field process with the battery. A data link unit is configured to link the design data, the process data, the evaluation data, and the field data. A processor configured to, by executing an algorithm stored in a memory, (i) extract features based on each of the design data, the process data, the evaluation data, and the field data in the order of the field data, the evaluation data, the process data, and the design data, and (ii) generate battery status information including information about the cause of deterioration of the battery and the timing of deterioration of the battery based on the extracted features.