422 results about "Data interchange" patented technology

This disclosure relates to the concept of preempting TXOPs, i.e. suspending a data exchange between communication devices during an ongoing TXOP to serve STAs with latency constraints. According to an embodiment a first communication device is provided that is configured to communicate with a second communication device. The first communication device comprises circuitry configured to perform exchange of data units with the second communication device during a current transmit opportunity, receive, before or during the current transmit opportunity, a truncation notification indicating that the ongoing exchange of data units should be suspended and that a preemptive data unit may be received from and / or transmitted to the third communication device, suspend the ongoing exchange of data units with the second communication device before the end of the transmit opportunity, and receive from and / or transmit to the third communication device the preemptive data unit within the remaining duration of the transmit opportunity.

The invention provides a multifunctional network protocol converter, which comprises a main control module, a switch chip, a communication module and a storage module, and is characterized in that the switch chip comprises a plurality of network ports, each network port belongs to the same intranet, and each network port can be independently provided with a communication mode, supports various different protocols and data forwarding configurations, can realize various forwarding modes, and is provided with a plurality of communication interfaces; the data exchange module provides a physical layer data exchange function; the main control module identifies, analyzes, stores, converts and encapsulates the data of different protocol types received by the network port and the communication module through the data storage protocol stack, forwards the encapsulated data of different protocols through the network port and the communication module, and integrates a switch, a protocol converter and a data processing function into one device; the system architecture is simplified, the problems of high network protocol conversion cost and complexity caused by the prior art are effectively solved, and the network protocol conversion cost and complexity are effectively reduced.

The invention discloses a switch, system and method for data transmission based on a shared pool and a fan-out structure.The switch comprises a plurality of ports, the shared pool and a fan-out cache unit, and the ports comprise the first port and the second port; the first port receives data outside the switch, transmits the data to the shared pool and transmits a first data transmission request to the second port, and the first data transmission request comprises a data length; the second port receives the first data transmission request, and the target port generates a second data transmission request according to the first data transmission request, the data length and the remaining storage space of the target port so as to transmit the second data transmission request to the fan-out cache unit; and the fan-out cache unit schedules the data at the corresponding position in the shared pool according to the second data transmission request and outputs the data to the target port when the residual storage space of the target port is greater than the storage space required by the data length. The bandwidth utilization rate and the response speed of the data exchange network can be effectively improved, and congestion and delay are reduced.

The invention discloses a private data security sharing method based on federal learning, particularly relates to the field of private data security protection and sharing, and is used for solving the problems of insufficient model credibility and lack of precision control of data exchange in the existing cross-mechanism data collaboration process. According to the method, homomorphic encryption processing is carried out on local data of all participants, a ciphertext verifiable calculation task is constructed in combination with federated learning, forward propagation and back propagation calculation of a ciphertext are carried out by outsourcing calculation nodes, credible verification is carried out on a calculation process by utilizing zero-knowledge proof, and gradient aggregation and model updating are completed in a ciphertext domain; after model training is completed, based on federal learning model output, intelligent judgment is conducted on the sharing value of local data samples, ciphertext re-encryption and data exchange control are driven, multi-party safe and controllable data circulation is achieved, and therefore on the premise that privacy safety and compliance requirements are guaranteed, cross-mechanism data collaboration efficiency and decision-making precision are improved.

The invention relates to the technical field of data exchange networks, and discloses a hardware-level link health monitoring system and a self-healing method, the hardware-level link health monitoring system comprises a flow analysis and data acquisition module; a multi-dimensional link quality state module; and a hardware-level self-healing and collaborative execution module. The hardware-level link self-healing method comprises the following steps: collecting a performance index of a link by hardware and generating a traffic portrait vector; after real-time reporting, dynamically adjusting the weight in an evaluation model according to the traffic portrait vector, and calculating a link health score in combination with the performance index so as to judge the health state; and finally, executing hierarchical self-healing actions on a hardware level according to the health state. According to the method and the system, hardware-level monitoring and self-healing closed loop without CPU intervention are realized, the evaluation model can be adaptively adjusted according to the service type, the monitoring accuracy and the fault self-healing speed are remarkably improved, and the service continuity is guaranteed.

The invention discloses a projection-based non-iterative coordination method and system for a power distribution network and a power conversion system, and belongs to the technical field of traffic electrification. The method comprises the following steps: firstly, respectively constructing a continuous time battery logistics model of the cross-regional battery replacement system and an economic operation model of each power distribution network; unifying the time scales of the two through an improved discrete time scheme; compressing each power distribution network model into a privacy protection projection space only containing charging power and price signals based on a projection theory; and finally, integrating the space as a constraint into a power conversion system model for one-time solution to obtain an optimal coordination scheme, and issuing the optimal coordination scheme to each power distribution network to complete local scheduling. According to the method, collaborative optimization without iterative data exchange among multiple systems is realized, and the global operation economy and the calculation efficiency are remarkably improved while the sensitive data of each operator is hidden.

Disclosed is an integrated circuit card comprising an antenna and a communication circuit configured for radio-based wireless exchange of data with an external device via the antenna. The integrated circuit card further comprises electromechanical switches connected to the communication circuit and configured to set a plurality of more than two switching states and a secure element connected to the communication circuit, the secure element configured to exchange data with the external device via the antenna and the communication circuit.

First communication device configured to simultaneously exchange data units via at least two links with one or more other communication devices including a second communication device that is configured to simultaneously exchange data units via at least two links with at least one or more third communication devices, the first communication device comprising circuitry configured to reserve, if second data units are expected to be queued at the second communication device at an expected arrival time, two links for data exchange once first data units are queued at the first communication device or once third data units are queued at the second or third communication device.

The present invention relates to the technical field of data communications, and provides an apparatus and method for rapid recovery from failures of some devices in an optical data switching or computing device cluster. A management device confirms the identifier m of a second-layer device that sends an alarm message; on the basis of a pre-established mapping relationship between the identifier m of the second-layer device and an optical path port Pm in each protection optical switch device, the management device controls an optical switch in each protection optical switch device in the protection optical switch array, such that a common port thereof is connected to the optical path port Pm, thereby replicating an optical signal, imported from a first-layer device library into the second-layer device m, to a second-layer redundant device by means of the optical switch in each protection optical switch device and an optical coupler m. In the present invention, when some devices fail, functions of the devices can be rapidly switched to a redundant device, thereby reducing failure recovery time and saving cluster device resources.

The invention relates to the technical field of real estate data management, and particularly discloses a real estate data exchange system based on ownership survey data, which comprises the following steps of: establishing an association relationship among a data entity, a processing interface and an operation main body by constructing an ownership data blood relationship network; receiving a data exchange request and extracting context information; extracting a multi-hop association sub-graph from the blood relationship network based on the context information to form a dynamic risk association view; by analyzing a view topological structure, evaluating path sensitivity and connectivity, and quantitatively calculating a single risk value representing a data association leakage risk; and finally, according to a matching result of the risk value and the threshold interval, selecting and executing a corresponding data exchange response action from the security policy library. According to the method, the problem of permission leakage caused by legal operation sequence combination in the prior art is solved, the conversion from static permission control to dynamic risk perception is realized, and the security of real estate data exchange is improved.

The invention discloses a cooperative online and offline control method for an unmanned aerial vehicle power transmission line broken strand repairing robot, and aims to realize efficient and safe maintenance of a power transmission line. Based on Newton-Euler and Euler-Lagrange equations, establishing an eight-degree-of-freedom nonlinear dynamic model of the unmanned aerial vehicle-broken strand repair robot; and designing and optimizing an extended state observer and a nonlinear error feedback control law to suppress swinging. An airborne visual servo system is adopted to capture the posture of the robot so as to correct the trajectory of the unmanned aerial vehicle, and a double-closed-loop control strategy based on a spherical swing mechanism is applied to realize stable tracking of an arc trajectory. Nonlinear load trajectory tracking control based on a six-dimensional force sensor is introduced, suspension point tension and the position of the unmanned aerial vehicle are fused to estimate the pose of the robot, self-adaption to different load weights is achieved through a load speed observer, and real-time data exchange between the unmanned aerial vehicle and the robot is supported through a low-delay and high-reliability communication protocol.

The utility model discloses a rotary needle shuttle synchronous double servo control system, which comprises a control unit, a communication module, a power supply input module, a switch power supply module and a voltage detection module, and is characterized in that the control unit is used for synchronously and accurately coordinating and controlling two servo motors, the communication module is used for data exchange, and the power supply input module is connected with the switch power supply module. The control module is used for receiving instructions and feeding back system states, the power supply input module is used for providing basic power input support adaptive to a wide voltage range, the switching power supply module is used for converting alternating current input into multi-path stable direct current output, and the voltage detection module is used for accurately monitoring input voltage states in real time. The problems that a traditional rotating needle shuttle system is poor in interference resistance, insufficient in power management and the like are effectively solved, the complexity of the system is remarkably reduced through the compact circuit layout and the modular design, and the system is suitable for equipment upgrading in the fields of spinning, packaging and the like and has certain use value and popularization value.

The invention is applicable to the technical field of table-board printing, and particularly relates to a table-board printing method for improving oil sticking of a table-board of an IC (integrated circuit) support plate solder-resistant DI (direct-input) exposure machine, which comprises the following steps of: placing a PET (polyethylene terephthalate) support film on the table-board of the exposure machine, and fixing the PET support film above the exposure table-board; the Bot face of the plate faces downwards, the plate is placed above the PET carrier film, and vacuum adsorption is conducted on the plate; and performing alignment treatment, performing exposure operation after alignment is completed, turning over the plate after Bot surface exposure is completed, and performing exposure operation on the Top surface. The method solves the problem that oil adheres to a table board due to poor appearance of the carrier board after DI exposure of resistance welding, is suitable for products such as IC carrier boards, PCBs, HDI and FPCs, can effectively improve the qualified rate of factory products, and reduces the rejection rate in a factory; meanwhile, the problems of appearance suction marks, plate sticking and poor oil falling are effectively solved, the finished product quality of products can be improved, the replacement cost of the DI exposure table top is effectively saved, table top abrasion is effectively reduced, and the regular replacement frequency is reduced.

The utility model belongs to the field of electronic control, and relates to a VPX reinforced controller which comprises a processor, a bridge piece, a VPX back plate, a VPX standard connector, a status lamp, a power management system, an intelligent management chip, a data exchange module and an IO expansion interface which are electrically connected. The bridge piece is connected with external electronic equipment through the I O expansion interface, the VPX standard connector is connected with the VPX backboard, the status lamp is connected with the power management system through the LED driving circuit, the power management system is connected with the VPX backboard through a power line, and the intelligent management chip is connected with the processor and the bridge piece through an internal bus. High efficiency and real-time performance of data transmission are ensured, and a solid foundation is provided for complex operation and high-speed data processing; seamless butt joint between systems is guaranteed, modularization and expandability of the system are improved, and later maintenance and upgrading are facilitated. And diversified application scene requirements are met.

The invention discloses a field programmable gate array (FPGA) implementation method for Hermite matrix eigenvalue decomposition, which comprises the following steps of: performing real number processing on a Hermite matrix according to a corresponding relationship between the Hermite matrix and eigenvalues and eigenvectors; grouping the dimension real matrix obtained by the real number processing; calculating rotation matrixes of diagonal units and non-diagonal units; performing Jacobi rotation operation on the diagonal units and the non-diagonal units, and updating the feature vector matrix according to a rotation matrix; after a group of Jacobi rotation is completed, data exchange is carried out according to grouping of a parallel Jacobi algorithm; and multi-stage cleaning can be carried out according to actual requirements. According to the method, a parallel Jacobi algorithm is selected, a series of matrix rotation is adopted, the matrix is converted into a diagonal matrix, and therefore the eigenvalue and the eigenvector of the matrix are calculated. According to the method, the parallel computing advantages of the FPGA and the Jacobi algorithm are fully utilized, and the real-time performance of the algorithm is effectively improved.

The invention discloses a noise suppression method and system for a microphone, and belongs to the technical field of audio signal processing. The method comprises the following steps: main audio processing equipment acquires an original audio stream to obtain complex frequency spectrum data of a current frame; synchronously acquiring real-time operation state data of the audio processing equipment; dynamically generating a task allocation strategy; generating a subtask processing result, and performing data exchange; constructing a complete full-band gain matrix for the current frame; and reconstructing a denoised time domain audio signal through inverse transformation. According to the invention, the noise reduction task is intelligently decomposed and dynamically allocated to the heterogeneous computing units of the main and auxiliary devices for cooperative processing through a cooperative scheduling mechanism, so that the technical effect of realizing high-quality and low-delay real-time voice noise reduction on the mobile terminal with limited resources is achieved; the problems of processing delay, asynchronous state updating, reduced noise reduction quality and incoherent voice caused by insufficient computing power of the terminal in the prior art are solved.

The invention discloses an integrated communication service platform and an application method, the integrated communication service platform comprises a case and a backboard used for electrical signal interconnection between board cards, the backboard comprises a power supply back box slot, two power supply slots, an auxiliary control slot, a main control slot, two exchange slots and 11 expansion slots, and all slots are in signal connection through various buses; a power supply back box; a power board; an auxiliary control board; the main control board is used for the case control management center; the two exchange boards are used for data exchange and forwarding processing; and a plurality of expansion boards for assisting according to requirements. The system is deployed in a communication system, is a basic platform for realizing voice and data transmission communication in the communication system, realizes centralized and intelligent management of a network, realizes broadband / narrowband link fusion networking communication, solves the problems of low integration level, poor expansibility, low communication efficiency and inconvenience in maintenance of a traditional communication system, and meets the requirement of miniaturized installation.

The invention discloses a structural load prediction method, device and equipment and a computer readable storage medium, and relates to the technical field of wind power, and the method comprises the steps: obtaining geometric parameters and material attribute parameters of a to-be-predicted fan structure, and an environment parameter feature range of an environment where the to-be-predicted fan structure is located; constructing a multi-physics field coupling model according to the geometric parameters, the material attribute parameters and the environmental parameter characteristic range; the multi-physics field coupling model comprises a temperature field module, a structural mechanical field module, an airflow field module and a particle impact field module, and the physics field modules perform bidirectional data exchange through coupling interfaces to simulate interaction among the physics fields; acquiring an environmental parameter value of the to-be-predicted fan structure under the target working condition; inputting the environmental parameter values into a multi-physics field coupling model to obtain mechanical response data of the to-be-predicted fan structure under the target working condition; and determining predicted load data of the to-be-predicted fan structure according to the mechanical response data.

To support the recording of accident data, instead of the isolated recording of data by the accident participants, a data exchange takes place between two mobile communication devices (110, 210), which in particular allows a user to release individual data, thus improving the data situation later.

This application discloses an interrupt system, method, device, and medium. The system includes a processor; an interrupt controller, with a first interrupt line and a data exchange interface between the interrupt controller and the processor, and a second interrupt line between the interrupt controller and peripherals; and an interrupt vector unit for storing the entry address of an interrupt service routine, connected to the interrupt controller. The first interrupt line and data exchange interface are provided between the processor and the interrupt controller. While sending an interrupt signal to the processor, the interrupt controller reads the entry address of the interrupt service routine from the interrupt vector unit and waits for the processor to read it. The processor reads the entry address of the interrupt service routine from the interrupt controller through the data exchange interface and executes the interrupt steps according to the interrupt signal and the entry address of the interrupt service routine. This application does not require consuming data bus bandwidth, thus improving the interrupt response speed.

The invention provides a communication node detection device and method. The communication node detection device comprises a main control unit, an Ethernet switching unit, a wireless interface unit, a wired interface unit, an optical interface unit, a power supply unit and a power supply and interface unit, the main control unit is responsible for receiving an instruction of an upper computer and converting the instruction into control information so as to realize real-time control and business processing of hardware; the Ethernet exchange unit can construct a bus to complete data exchange and provide an Ethernet port at the same time; the wireless interface unit can convert an internal interface into a wireless link test interface; the wired interface unit is converted into a wired link test interface; the optical interface unit can convert an Ethernet interface into an optical interface; the power unit is used for converting external power supply; the power supply and interface unit can be connected to an external power supply and upper computer communication interface. The communication node detection device not only can realize integration and modularization of the communication node detection device, so that the communication node detection device can be connected with an upper computer for independent use, but also can be installed in other equipment as a functional module for use.

An integrated circuit card (1) is disclosed, comprising an antenna (10) and a communication circuit (11) configured to perform radio-based wireless data exchange with an external device (2) via the antenna (10). The integrated circuit card (1) further comprises: an electromechanical switch (12) connected to the communication circuit (11) and configured to set a plurality of switching states of more than two; and a secure element (14) connected to the communication circuit (11), the secure element (14) being configured to exchange data with the external device (2) via the antenna (10) and the communication circuit (11).

The present invention relates in one aspect to an intravenous fluid delivery system which comprises a power supply and an infusion fluid warmer that comprise respective data communication interfaces supporting data exchange through a power supply wire connected between the power supply and the infusion fluid warmer.

The invention discloses a frequency converter parallel control method and system, and relates to the technical field of frequency converter control, and a control data exchange matrix is arranged between each data input channel of a master control frequency converter and each data output channel of a slave frequency converter. Adjusting and controlling the connection state of the connection point mapped by each row and column in the data exchange matrix so as to adjust the data input channel connected with each data output channel; wherein each connection point mapped by the Nth row in the control data exchange matrix is used for connecting the Nth data input channel, and each connection point mapped by the Nth column is used for connecting the Nth data output channel; and controlling each data input channel to transmit the control data received by the data input channel to the data output channel connected with the data input channel, so that the master control frequency converter and the slave frequency converter are switched to enter a target parallel control mode. The flexibility of frequency converter parallel control can be improved.

Part presenter for presenting a blind rivet nut to a setting tool A part presenter (1) is designed for presenting a blind rivet nut (4) to a setting tool, with a housing (2) and a receptacle (3) formed by the housing (2). Into the housing (2) at least one blind rivet nut (4) can be inserted. The blind rivet nut (4) in the housing (2) is accessible for a screwing tool (21) of the setting tool through an opening (5). An end stop (7) is arranged in the receptacle (3) opposite the opening (5), which end stop (7) forms a stop for the blind rivet nut (4) and can be moved axially along a longitudinal axis of the receptacle (3) from a first position into a second position. In its second position, the end stop (7) comes into operative contact with a sensor element (15), wherein the sensor element (15) is connectable to a control unit of the setting tool in a data-exchanging manner.

Computing devices and methods for facilitating electronic wallet payments using near field communication (NFC). In an example, the method includes receiving transaction information corresponding to a transaction and an identification of an electronic wallet payment application of an electronic wallet payment server from a point of sale (POS) terminal; sending the transaction information and the identifier of the electronic wallet payment application program to a server; establishing a uniform resource locator (URL) that addresses the server and identifies a first network resource that activates the electronic wallet payment application; generating, via a near field communication (NFC) tag controller, an NFC data exchange format (NDEF) message including the URL as a payload; and transmitting, via the NFC tag controller, an NFC signal corresponding to the NDEF message.

The invention discloses an address exchange technology system and an address exchange technology method, which belong to the technical field of address information data exchange, and form a complete and standardized address data unified exchange processing flow through an address exchange application review module, an address exchange data generation module, an exchange data security processing module and a data exchange execution recording module. The whole process of address data exchange is controllable; the address exchange data generation module carries out unified multi-dimensional feature extraction and formatting processing on the address data through an address data tetrad processing model, tetrad address exchange data with rich information is generated, repeated modification and definition of an address data transmission format are avoided, and the address data exchange efficiency is improved; moreover, the deep address data security defense layout is completed by exchanging the data security processing module, and a security processing mechanism of multi-layer encryption processing is set, so that the accuracy and security of address data transmission are ensured.

The application provides a one-dimensional water delivery system and three-dimensional reservoir water force transient joint simulation calculation method, including the following steps: step one, determining the coupling interface position; step two, establishing a one-dimensional water delivery system model and a three-dimensional reservoir model; step three, determining the transient process calculation time step; step four, calculating the initial time of T=0, the initial value of the interface flow and pressure; step five, transient process calculation, completing the current time calculation; step six, when T>T t , the calculation is considered to be completed. Compared with the prior art, the application has the following advantages: the three-dimensional CFD method is used to calculate the dynamic change of the reservoir in the transient process, the change of the reservoir impedance characteristics with the water level and the flow state is considered, more accurate reservoir characteristics can be obtained, and the transition process calculation precision is improved; in the past, only the steady flow characteristics of the reservoir inlet / outlet can be calculated, the flow characteristics of the reservoir inlet / outlet in the transition process can be obtained by using the application, and the inlet / outlet structure design is more targeted; in the transition process calculation process, the data exchange between the one-dimensional program and the three-dimensional program adopts an iterative mode to ensure convergence, and the joint simulation calculation precision is greatly improved.

A vehicle-based communication system supports wireless data exchange with a vehicle key using ultra-high-frequency (UHF) radio. A control unit of the vehicle transmits a first message to a communication control device, the message indicating a transmission power to be set for a transceiver. The communication control device sets the UHF transmission power based on the message and activates the transceiver to transmit a data packet containing user data to the vehicle key. A low-frequency ping may establish a receive window during which the vehicle key receives the data packet. The vehicle key stores the received data packet, optionally transmits a checksum to confirm proper reception, and may adjust its own UHF transmission power based on the received data. The vehicle may re-transmit the data packet when an incorrect checksum is detected. The system enables flexible, software-based adjustment of UHF transmission power for reliable communication with the vehicle key.

The utility model relates to the technical field of mining explosion-proof frequency converters, and discloses a wireless control device applied to mining explosion-proof frequency converter equipment, which comprises a power supply module, a battery module, a boosting module, a control module, a wireless communication module and a display screen driving module, the power supply module is respectively connected with the boosting module, the control module, the wireless communication module and the display screen driving module; the battery module is connected with the control module; the boost module is connected with the control module and the display screen driving module. The control module is connected with the wireless communication module and the display screen driving module. According to the utility model, data exchange can be carried out through wireless data communication with the interior of the frequency converter equipment via the explosion-proof housing, so that the operation state can be monitored in real time more conveniently, and the manual maintenance and debugging cost is greatly saved.