285results about How to "Realize data communication" patented technology

The invention discloses communication method and system based on PCIe (peripheral component interconnect express) data exchange. The method includes the steps of firstly, starting a PCIe switch and subjecting a processor and a PCIe terminal communicated with the PCI3 switch to PCIe equipment search and configuration; secondly, allowing the processor or PCIe terminal to transmit a PCIe read-write request to a port of the PCIe switch according to routing information, allowing the port to structure the PCIe read-write request into a data packet by means of packet format compatible with standard PCIe link layer protocol and extensible routing compatible with standard PCIe routing, and transmitting the data packet to a corresponding port; and thirdly, allowing the corresponding port to restore the data packet into the PCIe read-write request and transmit the request to the processor or PCIe terminal. Multi-processor communication based on PCIe link is achieved by the extended PCIe protocol, and any topological extensible interconnection networks are established.

The invention discloses a blockchain multi-party data sharing method based on a secret sharing technology. The blockchain multi-party data sharing method comprises the following steps: (1) realizing multi-party key negotiation and distribution in combination with bilinear mapping and homomorphic encryption properties; (2) adopting a homomorphic secret sharing method to realize cooperative data sharing of multi-party associated participants in the blockchain; and (3) verifying and recovering data. According to the blockchain multi-party data sharing method, multi-party data sharing is realizedbased on the block chain; dynamic data sharing among multiple parties based on the block chain can be realized, so that data communication between related parties of the blockchain transaction is realized; the unrelated parties participate in simple verification, that is, the transaction unrelated parties do not need to acquire and process complete data, so that dynamic data sharing on the blockchain is realized, and sub-task allocation on the blockchain is realized, so that the working efficiency between blockchain nodes is improved; and the blockchain multi-party data sharing method has a certain reference value for perfecting the construction of the blockchain.

The invention discloses trusted hardware equipment and a using method thereof, which belong to the field of trusted computing. A trusted module with control function in the trusted hardware equipment is used for checking operating state and completeness of the trusted hardware equipment. The checking contents include but are not limited to a firmware code of a basic hardware functional circuit, operating mode configuration information, control strategy configuration information, a session key, an equipment certificate, trusted interaction-based controlled function, operating state of the basic hardware functional circuit and the like. The trusted module can verify a trusted computing platform digital signature or encrypted data packet including the firmware code, the operating mode configuration information, the control strategy configuration information, the session key and the equipment certificate and store the verified data packet into the firmware memory unit, the configuration memory unit, the strategy memory unit and the private data memory unit of the trusted hardware equipment. The equipment and the method provide a judgment means for judging the creditability and trustiness of the hardware equipment for a trusted computing platform.

The invention discloses a control system for biomass boiler combustion. The control system comprises a drum level information acquisition unit, a combustion control subsystem information acquisition unit, a signal transmission unit, a central control unit and an execution unit, wherein the drum level information acquisition unit and the combustion control subsystem information acquisition unit are used for acquiring information about a biomass boiler and sending the acquired information to the central control unit via the signal transmission unit; the central control unit sends a control signal to the execution unit after processing the acquired information; and the biomass boiler is kept always in an optimal combustion state via the control method of the central control unit, thereby saving energy and reducing pollution.

The invention provides an actual driving condition constructing method based on people-vehicle-road-conditions. According to the method, people with certain driving habit and real vehicles are used as whole, and intelligent predictions are made to the actual driving conditions of the vehicle under certain traffic conditions. The system comprises an information receiving part, a model creating part, a data storing and managing part. The information receiving part comprises the creating of a vehicle working condition recognition model based on the data of the basic information of the driver, the entire vehicle driving state information and the traffic information. The data storing and managing part realizes the storing and managing of the people-vehicle-traffic-conditions, the actual vehicle driving state information, and the vehicle working condition recognition model. According to the invention, through the real time and historical data analysis, the driving condition recognition model is structured, which facilitates the active prediction and adjustment control for the energy management and control system of the entire vehicle and improves the energy or power management control logics irrationality caused by large difference between the designed working condition and the actual working condition.

The invention provides an intelligent logistics device and an intelligent logistics system. The device comprises a self-assisted cabinet (including grids provided with cabinet doors and electric control locks) for storing expresses, a control module, a wireless communication module and a barcode scanning module, wherein the device is accessed to a background server of a logistics company through the wireless communication module of the control module, so that data communication with the background server of the logistics company is realized. Verification barcode information is acquired by the barcode scanning module and the verification barcode information is verified through the control module, so that the step of telephone communication between the sender and the receiver is canceled in virtue of the manner that the verification barcode information is verified through the barcode scanning module and the control module, and the efficiency is improved; the verification result is more accurate and potential unsafe factors are avoided, so that the family privacy of the receiver is protected well. The device and system are relatively wide in applicability, and are suitable for express companies as well as persons and companies besides the express companies, so that the person-to-person logistics demand is expanded.

The invention provides a digital satellite attitude and orbit control algorithm ground simulation verification system. The digital satellite attitude and orbit control algorithm ground simulation verification system comprises a simulation platform, a host computer platform, a data transfer platform, and a satellite control algorithm platform. The simulation platform is suitable for acquiring control information of a satellite attitude and orbit algorithm, and is operated in a preset simulation environment according to a dynamical model to generate an actual attitude and an actual orbit of a satellite, and then is used to output satellite simulation information. The host computer platform is suitable for receiving the satellite simulation information, and based on the setting of the satellite simulation information and parameters related to the dynamical model, and is used to transmit operation information of operating the simulation platform to the simulation platform according to an instruction input by a user. The satellite control algorithm platform is suitable for determining the satellite attitude and orbit algorithm according to the satellite simulation information, and is used to transmit control information of executing the satellite attitude and orbit algorithm to the simulation platform. The linked operation of the satellite simulation verification system is realized, and a satellite simulation integration level is improved.

The invention provides an idling start-stop controlling method for a diesel motor, which is characterized in that a start-stop controller connected to a finished automobile CAN (Controller Area Network) bus is adopted and is communicated with an engine ECU (Engine Control Unit) and a finished automobile electronic control part connected to the CAN bus through the CAN bus; when simultaneously meeting setting conditions, the start-stop controller controls an engine to enter an idling stopped state from an operating state; and when the engine is in the idling stopped state and a finished automobile simultaneously meets the setting conditions, the start-stop controller controls the engine to enter a starting state. In the idling start-stop controlling method, the finished automobile state is automatically identified and the idling start-stop process of the engine is automatically controlled by the start-stop controller without finished automobile modification and any operation of a driver.

The invention provides a water drinking monitoring device based on a smart phone. The monitoring device comprises a detection pad and a monitoring platform, wherein the monitoring platform adopts the smart phone; an induction module of the detection pad adopts pressure sensors, and the pressure sensors are used for converting pressure signals, generated by the change of water volume in a water cup placed on the detection pad, into voltage signals; an amplification module carries out amplification processing on the voltage signals so as to form analog signals; an A/D (Analog-to-Digital) module in a processor converts the analog signals into digital signals and processes acquired data so as to obtain corresponding water volume data; a clock module supplies time reference to the work of the monitoring device so as to enable the work time of the monitoring device to be synchronous to that of the monitoring platform; a wireless transmission module adopts a Bluetooth module and transmits drinking water volume data detected by the detection pad to the smart phone of the monitoring platform; a power supply module supplies power to different circuit modules or chips in the detection pad; and the monitoring platform is used for running water drinking monitoring software and receiving, processing and displaying the drinking water volume data.

The invention provides a system for controlling an infrared thermal imager by utilizing a mobile phone and a method thereof. The system comprises a client and the infrared thermal imager which is taken as a server terminal and is connected with the client through a communication network. The infrared thermal imager is installed at a place where carrying out an infrared test and/or monitoring is needed, and provides an infrared thermal image video of a monitored object and temperature data of a point contained in an infrared thermal image. The client is arranged at a position far from the infrared thermal imager and provides a remote control operation for the infrared thermal imager. According to the system and the method, monitor personnel or a user is allowed to carry out long distance supervision and operation on the infrared thermal imager by utilizing the mobile phone.

The invention particularly discloses a mobile terminal power controller based on a dual processor comprises a hardware connection arranged between an application processor and a baseband processor and cooperative control modules respectively arranged on the application side and the baseband side, wherein the hardware connection is used for connecting signals between two processors; the cooperative control module is used for arranging signals on hardware connection when the cooperative control module side is a data sender, detecting signals on the hardware connection when the cooperative control module side is a data receiver. When the detected signals on the hardware connection are arousal or dormancy signals, the device informs the power management system at the side to adjust the power state, start or close the communication interface. The invention also discloses the power management method of the mobile terminal based on the dual processor. The example of the invention can reduce the power consumption at a standby state of the dual processor system.

The invention provides an intelligent flashlight, and particularly relates to the intelligent flashlight with the functions of illumination, video shooting, photo taking, sound recording, data storage, liquid crystal display, routing inspection, temperature measurement, vibration measurement, 3G/WIFI (wireless fidelity)/bluetooth communication, voice conversation and the like. The intelligent flashlight consists of a lamp holder, a battery cabin, a handle and a charging cap, wherein the lamp holder comprises a CORTEX-A7 processor, an LED (light emitting diode), a function module circuit, a camera, a microphone, a TF card and a man-machine conversation system, a lithium battery charging circuit is built in the charging cap, the tail end of the charging cap is provided with a charging interface, and function modules such as a routing inspection module, a temperature measuring module and a vibration measuring module are built in the handle. The intelligent flashlight has the advantages that the illumination is realized, the routing inspection audio and video data are collected in real time and are backed up, the data such as the routing inspection monitoring or temperature measurement data is uploaded to a remote terminal in real time through a system platform, and meanwhile, the multifunctional task prompting function, the real-time terminal synchronization function, the cloud service function and the like can be realized.

The present invention discloses a method, a system and a main control card and line cards for data communication, which comprise that the main control card receives the communication attribute information sent from the on-position line card, and notices the on-position line card with the communication attribute information of all the on-position line cards; the on-position line card establishes a data channel connection with other on-position line cards according to the communication attribute information sent from the main control card, and operates the data communication with other n-position line cards through the data channel connection. The present invention realizes the data communication based on a non-switched network environment.

The invention relates to a UART device with Baud rate detection and set function and a detection and set method thereof. By adopting a programmable logic device, a receiving/sending control register, a receiving/sending data register and a receiving/sending logic unit are collocated, and a Baud rate detection control register, a Baud rate detection data register and a Baud rate detection logic unit are collocated on the basis, therefore, the UART device with the Baud rate detection and set function is formed. The detection and set method is designed, and the convenient and quick detection to the Baud rate of unknown communication equipment during the operating process and the set of the communication Baud rate are realized.

The invention provides a service request processing method, device and equipment of different protocols and a storage medium, which relate to the communication technology field, and are applied to a server based on the first communication protocol communication. The method comprises the following steps of after receiving a service request sent by a user terminal based on a second communication protocol, analyzing the service request to obtain a request parameter and corresponding function information; obtaining a target structural body corresponding to the function information, and filling thetarget structural body with the request parameters, wherein the target structure body defines a parameter structure of a target function corresponding to the function information; responding to the request parameters in the target structure body based on the target function corresponding to the function information to obtain response data of the request parameters; and sending the response data to the user terminal based on the second communication protocol. In this way, data communication between the server and the user terminal based on different communication protocols is achieved, and normal operation of services is guaranteed; meanwhile, the whole process does not need manual configuration of the server, and the processing efficiency is high.

The invention discloses an optical access network, and a method, a system and an apparatus for backuping an optical line terminal. The system comprises the optical line terminal and an optical divider, wherein the optical line terminal is used for detecting a connection state of the optical line terminal and an opposite end optical line terminal through the communication of the optical divider and the opposite end optical line terminal when the apparatus is in a backup state, and performing main backup state control and main backup data synchronization according to the connection state; and the optical divider is used for communicating an main backup optical line terminal with virtual optical network units in each optical network unit and the optical line terminal. The invention causes a virtual ONU to be responsible for communicating with the backup OLT corresponding to the OLT through integrating the virtual ONU in the OLT, thereby realizing data communication between the OLT fault detection and the main backup OLT, further realizing rapid and reliable data communication functions between the main backup OLTs, and rapidly realizing the switch between the main backup OLTs when the main OLT has the fault.

The invention provides a wireless control hotel intelligent system and a control method thereof. An RCU main machine, an infrared sensor and a door magnet module are in wireless connection, and the RCU main machine is in wireless communication with a hotel management platform to realize information transmission; and according to the collected room state information, identity information, personal information and power utilization information and the like, hotel guest room state is analyzed comprehensively and through corresponding control, a normal electricity obtaining mode, an abnormal electricity obtaining mode or a temporary electricity obtaining mode are started, thereby realizing hotel information intelligent integration and facilitating hotel management. The system supports mandatory energy saving, thereby preventing abnormal power utilization, realizing the effect of power saving and improving power consuming efficiency of the hotel guest rooms; and meanwhile, the system has an anti-order-fleeing function, thereby realizing reliable economic income for the hotel, helping the hotel to realize reasonable and planned power utilization, reducing guest room energy consumption and improving economic benefit; through wireless communication, wiring is avoided and construction cost is greatly reduced; and meanwhile, Zigbee networking adopts an independently-developed one-key intelligent scheme, so that debugging is convenient and on-site debugging work can be greatly reduced.

The invention provides a data transmission device and a method thereof. The data transmission device comprises a first interface, a second interface and a converter, wherein the first interface is used for connecting a master device; the second interface is used for connecting a USB storage device; the converter is connected between the first interface and the second interface, is internally provided with a power supply for supplying power for the master device and the USB storage device respectively through the first and the second interfaces; and the converter is used for transmitting data between the first and the second interfaces. The data transmission device and the method thereof can realize the data transmission between devices since the converter is arranged and is used for supplying power for the two devices; and the data transmission device is convenient for carrying.

The invention discloses an electric energy conversion device and method used between electric vehicles. The electric energy conversion device and method used between the electric vehicles comprises an input charging gun, an output charging gun, a control unit and an auxiliary power supply unit; the control unit is in interaction with a human-computer interaction unit, a DC/DC power module and the auxiliary power supply unit; the input end of the DC/DC power module is connected with an input direct-current control unit, and the output end is sequentially connected with an output direct-current control unit and the output charging gun; and the input end of the input direct-current control unit is connected with the input charging gun. According to the electric energy conversion device and method used between the electric vehicles, the rescued vehicles or other to-be-charged vehicles are charged by electric energy stored in a power battery of each electric vehicle, the problems that in the prior art, electric energy cannot be directly transmitted between the electric vehicles and emergency recharging or charging to other to-be-charged electric vehicles cannot be achieved through the electric vehicles are solved, and the usage experience of users is improved.

The invention discloses a mobile ad hoc network-based data terminal and a data access method. The mobile ad hoc network-based data terminal comprises a micro control unit (MCU), a wireless fidelity (WiFi) module, a wireless access point (AP), a universal serial bus (USB) interface, a random access memory (RAM), an electrically erasable programmable read-only memory (EEPROM), a storage and a real-time clock (RTC), wherein the WiFi module, the USB interface, the RAM, the storage and the RTC are connected with the MCU; the wireless AP is connected with the WiFi module; a plurality of mobile ad hoc networks data terminals (WANsDTs) are respectively connected with a plurality of personal computers (PCs) to form a WiFi local network; and one of the WANsDTs is used as a main control terminal, and the other WANsDTs are slave terminals. The mobile ad hoc network-based data terminal can provide large memory space, has high reliability and good compatibility, is small in size and easy to carry, and meets plug-and-play requirement.

A protocol conversion wireless gateway with the content as the center is used as an internet communication interface of a backbone network and a wireless sensor network for achieving the functions of protocol conversion and storage forwarding and achieving data communication of two networks based on content modes. The protocol conversion wireless gateway is composed of an ARM plate which is connected with the backbone network in a wired mode, receives data packages sent by the backbone network and is used for conducting analysis and protocol conversion on the data packages, and a sink node which is connected with the wireless sensor network in a wired mode and is used as an aggregation node. The ARM plate is in data communication with the sink node through a usb port. The ARM plate is provided with a usb port monitoring unit, a ccnb unit and a ccnd unit which are in series connection. The sink node is not involved in analysis processing of the data packages and is only in charge of forwarding the data packages. The wireless gateway enables the operation steps for achieving internet communication of the two networks to be simple and easy, data conversion operation is achieved on a network layer, the system overhead of data package transmission and analysis is reduced, and the high efficiency of data communication is kept.

The invention relates to an Internet of things information acquisition system. A wireless data information acquisition system based on Internet of things comprises an information transmission node, an information acquisition node and an information collection center, wherein the information transmission node comprises a networking initialization module for receiving an address mapping table transmitted by a central control platform and entering networking preparation, a node field intensity collection and measurement module for receiving a networking beacon and a field intensity collection command and performing field intensity collection, a data characteristic judgment module for extracting data information characteristics, and a configuration preprocessing module for performing field intensity operation and entering a route establishing stage; and the information acquisition node comprises a networking processing module for performing networking preparation, a field intensity information receiving module for receiving an information transmission node command and receiving the networking beacon and the field intensity collection command, and a configuration processing module for receiving a configuration table of the information transmission node, establishing a route and constructing a wireless self-organizing network. Through adoption of the wireless data information acquisition system, information is acquired timely and accurately, and the efficiency and reliability of data acquisition in a modern intelligent residential district can be increased and enhanced.

The present invention provides an LPC host controller apparatus based on an AMBA bus architecture, which is used for implementing data communication between an AHB on the AMBA bus architecture and an AXI bus as well as an LPC bus and comprises: an AHB bus, the AXI bus, an AHB slave interface module, an AXI master interface module, an LPC bus interface module, an LPC main module and a DMA engine module, wherein three cycle types of data transmission, i.e. an input output, a memory and firmware, which are specified in an LPC 1.1 bus protocol, are implemented between an AHB bus interface and an LPC bus interface, and a DMA cycle type of data transmission, which is specified in the LPC 1.1 bus protocol, is implemented between an AXI bus interface and the LPC bus interface.

The invention discloses a heavy numerical control machine tool thermal error compensation control system based on CPS (Cyber-Physical Systems) and a thermal error compensation method. The thermal error compensation control system comprises an embedded acquiring card, an operation controller and a numerical control connector, wherein the embedded acquiring card is used for acquiring the temperatureinformation of measuring points of a machine tool and the displacement thermal errors of a main shaft tool tip of the machine tool and sending data to the operation controller after preprocessing; the operation controller is used for substituting the received temperature data into a prediction mathematical model to calculate thermal error prediction values, processing the thermal error predictionvalues into real-time compensation values according to formulated compensation strategies and uploading the thermal error prediction values and the real-time compensation values to a cloud server through a wireless network, wherein the prediction mathematical model and the compensation strategies are remotely updated through the wireless network; and the numerical control connector is used for inputting the received real-time compensation values to a machine tool numerical control system through a NCUC bus, and the machine tool numerical control system reads the real-time compensation valuesin operation and processing of G codes, and controls of the machine tool to move in the X axis, the Y axis and the Z axis.