53results about How to "Ensure real-time" patented technology

The invention discloses a government affair information resource sharing system based on a block chain, and belongs to the technical field of information sharing based on the block chain. By combiningP2P network, the cryptology and the artificial intelligence theory, the overall model architecture based on the block chain technology is provided, so that a government affair information resource sharing and exchange network system, a government affair information resource sharing and exchange block chain directory system, a certificate and trust system and an information resource sharing security intelligent exchange system are constructed. The government affair information sharing and exchanging system effectively solves the problems of trust islands, data ownership, peer-to-peer management, standard consistency, non-real-time exchange and the like in government affair information resource sharing application, and is high in safety, trustable, real-time exchange, data standard consistency, traceability and wide in sharing range.

The invention discloses an intelligent customer service response method and system, relates to the technical field of intelligent customer service, and can solve the problems of low response efficiency and poor user experience caused by relying on manual customer service in the prior art. The method comprises the steps of preprocessing the customer service historical chat statements to export customer service corpora, and conducting the word segmentation training on the customer service corpora to obtain a language recognition model; carrying out intention identification on corpora asked by auser to match a corresponding service module, carrying out retrieval analysis in an elasticsearch database corresponding to the service module by utilizing an intention identification result, and summarizing output associated keyword answers to form a pre-selected data set; taking a text formed after word segmentation of the question corpus of the user as an input, and carrying out Elasticsearch retrieval in a pre-selected data set to output candidate keyword answers; converting the segmented keywords and the candidate keyword answers into word vectors respectively, calculating the similaritybetween the segmented keywords and the candidate keyword answers in pairs by using a WMD algorithm, and selecting the keyword answers based on the similarity values to respond to the user.

The invention relates to an industrial wireless embedded gateway used for realizing protocol conversion between an industrial wireless protocol WIA-PA and an EPA protocol. The gateway adopts a dual-core mode (comprising an EPA protocol processor and a WIA-PA protocol processor), wherein the EPA protocol processor is mainly used for completing the encapsulation and resolution of the EPA protocol, and the WIA-PA protocol processor is in charge of completing the encapsulation and resolution of the WIA-PA protocol; and communication, data transmission, and protocol conversion between the WIA-PA protocol and an Ethernet bus protocol-the EPA protocol are realized between the two processors by a protocol conversion interface module through a serial port or a parallel port, thereby leading WIA-PA equipment to be accessed to an EPA industrial control network successfully, mapping the WIA-PA equipment to EPA equipment by service enactment to the WIA-PA protocol stack, and further leading the gateway to carry out configuration on the WIA-PA equipment indistinguishably. The industrial wireless embedded gateway can be applied to industrial on-site control networks.

The present invention discloses a domestic sleep health monitoring system. Said system mainly includes human body sleep life parameter acquisition module, monitoring module, domestic appliance control module and threshold alarm module. The human body sleep life parameter acquisition module is mainly formed from wireless embedded sensor and WLAN, the wireless embedded sensor is used for acquisition of human body temperature and pulse data; the monitoring module can utilize WLAN to receive human body life parameter collected by wireless embedded sensor, store monitoring information and create index so as to quickly inquire correspondent record; the domestic appliance control module is composed of control subprogram and family gateway, and is used for controlling domestic appliances of air conditioner and humidity regulator, etc.; and the threshold alarm module is mainly composed of wireless access point AP, digital signal transmission network and handset/PDA.

The invention proposes a service-oriented robot open-type control system and method based on a software bus. The system comprises (1), a service-oriented robot open-type control system. The function modules of the control system are packaged in a service mode, and are enabled to be combined and applied. Therefore, the system has the open, extendable and SLC (Service Loose Coupling) characteristics. The software bus is the core module of the whole distributed control system, and the main function of the software bus is to provide a transparent transmission mechanism for different nodes, and to remove the coupling between a user and a message protocol. The system supports the development of the distributed control system. An TTEthernet (time-triggered Ethernet) is introduced through a transmission layer, and guarantees the instantaneity and certainty of the data transmission of the control system. Moreover, load balancing is employed for reducing the bus node hotspot access problems. According to the invention, a service-oriented framework is provided for a user to carry out development of one or more robot distributed control systems, and improves the development efficiency of the control system under the instantaneity of data transmission.

The invention discloses an urban gas buried pipeline leakage detection and locating method and applications thereof. Based on an acoustic emission technology and combined with the current gas pipeline laying situation of Changzhou city, layout schemes and relevant parameters of sensors are designed, and the leakage detection method under the situation of guaranteeing normal gas transmission of buried pipelines and not excavating pipelines is determined. Simultaneously, wavelet noise reduction and relevant analysis methods are introduced, and accordingly, the locating accuracy is improved, and objective and credible results are obtained. According to the urban gas buried pipeline leakage detection and locating method and applications thereof, the application of the acoustic emission detection technology in gas buried pipeline leakage detection is facilitated and improved to a large extent, and hence, while the method is effective and accurate in detection and cost saving, popularization and use values are increased, and the method has great significances in enhancement of urban gas buried pipeline risk control.

The invention relates to a method for customizing and inquiring a heterogeneous BOM (Bill of Materiel) based on a complex product. The method is realized on the basis of a hierarchical structure model of a browser/server and comprises the following steps of: 1) collecting information of the heterogeneous BOM: realizing data sharing and interactive updating of various heterogeneous BOM data structures by a uniform data interface; 2) establishing a BOM attribute data table of a data layer and executing an automatic extracting system: dividing the BOM attribute data table into a main attribute information general table and a configuration attribute information general table, and performing an automatic extracting program, namely extracting the BOM attribute data, and then updating the BOM attribute data by adopting an updating strategy program if the BOM table is changed; and 3) designing a user operation method for manufacturing personnel. The method has the beneficial effects that: (1)the design and the technology are convenient, and the manufacturing personnel can conveniently inquire and acquire the appointed BOM information; (2) the operation can be simplified or performed in aparallel manner in a manufacturing process, the comparison is realized and the manufacturing efficiency is promoted; and (3) the instantaneity and the accuracy of data are ensured.

The invention discloses a wireless multimedia sensor network-oriented multipath and multistage routing method, which represents a technical scheme for multimedia data stream transmission in a wireless multimedia sensor network (WMSN) and is mainly used to solve the real-time transmission problem of multimedia streams and prolong network life as long as possible. The method is characterized in that: multiple paths are built to transmit data from a source node to a target node in the WMSN in parallel; and a hierarchical energy-aware routing protocol is adopted to differentiate the specific characteristics of multimedia flows and provide higher service quality to the multimedia flows.

The invention discloses a vehicle running safety auxiliary network management system and a method thereof. Running vehicles can mutually communicate about geographical positions and current running states in the communication range, so at least one vehicle in the communication range can become a route platform of a plurality of vehicles incapable of communication because the vehicles are positioned in wireless connection dead corners, and the vehicle used as the route platform is responsible for the referral of the vehicle condition signals send by the mutual communication breaking vehicles, so all vehicles in the communication range can be fully taken to the consideration without being blocked by circumambient landform, buildings or other vehicles, circumambient vehicles with potential hazards are fully taken into the consideration and can be judged out, the defects caused by the dead corners of the vehicle running safety auxiliary network communication are effectively solved, high-importance package can be transferred to the corresponding vehicles in real time at high reliability, and the effect of effective prewarning is reached.

The invention provides a method, a device and a system for acquiring and sharing aircraft restricted area information. The acquiring method is characterized by comprising steps: the geographical position information of the aircraft flying in a selected area and a surrounding environment image are received firstly, and a first corresponding relation between the geographical position information and the surrounding environment image which are acquired at the same moment is built; the surrounding environment image is analyzed according to a predetermined restricted area judgment standard, and the restricted area information in the selected area is obtained; and a second corresponding relation between the restricted area information and the corresponding geographical position information is built according to the first corresponding relation. According to the method, the device and the system for acquiring and sharing the aircraft restricted area information, the safe flight path of the aircraft can be acquired in real time, a restricted area is avoided, the restricted area information is shared, and a reliable basis is provided for setting an accurate flight path for the aircraft user.

The invention provides a method for monitoring an operation state of an overall network in the network structure of a control area network (CAN). The CAN comprises a network management node and a plurality of other network nodes. The method comprises the following steps of: sending clock messages to one or more network nodes periodically by using the network management node; responding to the clock messages transmitted by the network management node, calculating the number of data frames transmitted to a power network bus in each time period, and transmitting the number of the transmitted data frames to the network management node by using each of the one or more network nodes; receiving the number of the transmitted data frames and calculating a network load in at least one time period by utilizing the number of the transmitted data frames by using the network management node; and judging the operation state of the overall network according to the network load in the at least one time period.

The invention discloses a signal assessment and improvement system of a remote monitoring device and a control method. The system comprises an elevator control system used for controlling elevator running, the remote monitoring device used for receiving and transmitting elevator running information, a signal base station for transferring data and a cloud server; and the remote monitoring device comprises a data processing module and an antenna module, and the antenna module comprises an antenna and a signal strength detection device. During installation or debugging of the remote monitoring device, the remote monitoring device continuously transmits testing data packages to the cloud server through the signal base station, the cloud server responds the remote monitoring device and feeds back testing data, the remote monitoring device receives the fed-back data and conducts statistics on signal reliability at the position, and the best antenna placing position at the current environment is comprehensively operated in cooperation with signal strength data fed back by the signal strength detection device. Meanwhile, when an elevator runs, telecommunication abnormal failures are fed back when it is detected that the current signal reliability is too poor.

The invention relates to the technical field of automobile driving early warning, in particular to a driving monitoring early warning method and system. The method comprises the following steps of acquiring driving information and road surface information; obtaining driving state information and dangerous pre-judgment information according to the driving information and the road surface information; obtaining early warning information according to the driving state information and the dangerous pre-judgment information; and outputting the early warning information to an early warning platform.The driving information, which fuses various data signals, of a driver is acquired, the driving information of the driver is logically calculated, the fatigue state and the non-standard driving habitof the driver are monitored, and the driving behavior of the driver is analyzed and predicted in an AI reasoning mode and is timely sent to the driver and vehicles around through a V2V technology, sothat the early warning range is expanded and traffic accidents are effectively reduced.

The invention discloses an intelligent on-line test device of power characteristics of carbon dioxide laser devices. The intelligent on-line test device comprises a power supply, a touch screen, a control box, a laser power device, a laser tube, a bracket, a bracket mounting plate, an optical test table, an output mirror, a medium total reflective mirror, an attenuator, a detector and a resonant cavity, wherein the power supply, a single-chip microcomputer system and an analog-to-digital conversion unit are mounted in the control box; the touch screen is arranged on the control box; the control box is externally provided with a communication interface; the control box is connected with a laser power device through a data line; the resonant cavity is formed in the front of the laser power device; the output mirror and the medium total reflective mirror are arranged inside the resonant cavity; the mirror surface of the output mirror faces inwards; the mirror back of the medium total reflective mirror faces towards the attenuator; the detector is arranged at the bottom of the attenuator; the rear end of the laser power device is connected with the laser tube; two ends of the laser tube are fixed on the bracket; the bracket is vertically mounted on the bracket mounting plate; the bracket mounting plate is arranged on an optical test table; the optical test table is provided with a plurality of channels; real-time detection of the laser powder is implemented.

The invention relates to a method for automatically establishing an Ethernet communication safety rule. The steps are as follows: 1, a safety device is connected to a network; 2, the safety device acquires a data packet in the Ethernet passively; 3, the safety device sends the acquired data packet to a protocol analysis module; 4, the protocol analysis module analyzes the content of the data packet, acquires information of the type of a communication protocol, and determines whether the communication protocol is an industrial communication protocol or not; 5, if the communication protocol is the industrial communication protocol, key information in the data packet is analyzed and extracted; 6, the extracted information is sent to a rule auxiliary generation guide module; and 7, the rule auxiliary generation guide module receives the information and forms the safety rule after judging the information is complete. The method provided by the invention form the safety rule according to data information in actual communication, enables setting of the safety rule to be targeted, not missing and convenient for labor saving, and ensures the real-time performance of transmission and the integrity of data in an industrial network.

The invention discloses an unmanned vehicle route data transmission system with breakpoint continuous transmission and method thereof. The system comprises a server and a vehicle terminal; the vehicleterminal receives route data sent by the server, and collects road condition information and vehicle condition information while a vehicle is traveling and uploads the information to the server; theserver and the vehicle terminal transmit and receive the data as a transmitting end and a receiving end in turn; the transmitting end comprises a data block module, a data transmitting module and a signal detection module; and the receiving end comprises a data receiving module and a data verification module. According to the unmanned vehicle route data transmission system with the breakpoint continuous transmission provided by the invention, the continuity and the real-time performance of route data transmission in the travelling process of the vehicle can be effectively ensured, the data transmission time is shortened, and the transmission efficiency is improved.

The invention discloses a satellite map target object contour identification method. The method comprises of (1) obtaining a designated area satellite map; (2) identifying a mask pattern; (3) obtaining the poi contour information; (4) splicing poi mask patterns; (5) identifying the poi mask patterns; and (6) obtaining the area, boundary set pixel points and center set pixel points of the related graph contour through an image processing technology, and calculating the complete area of the contour according to the corresponding proportion. According to the method provided by the invention, thetarget object contour data of the designated area can be automatically identified, the required data comes from the Internet, purchase and application are not needed, cost is greatly reduced, and efficiency is further improved, and meanwhile, the data is mainly acquired from the map service provider, so accuracy and the real-time performance of the data are ensured, and the building contour data information can be relatively accurately acquired.

The present invention relates to a TD-LTE private network-based water environment monitoring system and method. The TD-LTE private network-based water environment monitoring system is characterized in that an environment monitoring satellite is connected with a TD-LTE base station and a satellite terminal, and the TD-LTE base station is connected with a TD-LTE terminal and a water environment monitoring terminal separately; a water environment parameter detection module of the water environment monitoring terminal is connected with a control module via a signal conditioning module, the control module is connected with a TD-LTE communication module, and the TD-LTE communication module is connected with a TD-LTE terminal of a water environment monitoring center via the TD-LTE base station. The TD-LTE private network-based water environment monitoring system and the TD-LTE private network-based water environment monitoring method of the present invention overcome the disadvantage that the positioning precision is not high enough, and the transmission information amount is influenced by a BeiDou short information protocol, so that the transmitted information amount is very limited. According to the present invention, a broadband wireless network taking the TD-LTE base station as the center and covering a certain range is formed and also can be linked with various communication means organically, so that the TD-LTE private network-based water environment monitoring system and the TD-LTE private network-based water environment monitoring method have the mobile communication technical advantages of high broadband, low time delay, high stability, high speed, etc., at the same time, have the rapid, mobile and good anti-destroy and anti-interference performance, the network intercommunity and the security and secrecy.

The invention discloses a quantum secure communication system. The system comprises a quantum random number generator, a key management and distribution server and a plurality of quantum secure terminals, wherein the plurality of quantum security terminals are bound with the key management and distribution server; the quantum random number generator is used for generating a quantum true random number as a quantum key for secret communication and sending the quantum key to a key management and distribution server; the key management and distribution server is used for controlling the quantum random number generator and is also used for receiving the quantum key and safely issuing the quantum key to the plurality of quantum secret terminals; and the quantum security terminal is used for establishing a binding connection with the distribution server through the built-in authentication key and key management, and receiving and storing the quantum key. In the system provided by the invention, the quantum key is locally distributed to the communication terminal through the single quantum random number generator and the quantum key management and distribution server, the system is simple, and the security is reliable.

The invention provides a real time questionnaire push method and device based on online customer service. An online customer service system based on an electronic commerce system is used as a channelto reach users in real-time, the consultation information of users is obtained and the behavior of users in the electronic commerce system is analyzed when consultation is performed on the electroniccommerce system by users, and the questionnaire related to the interests of users is screened in real time and the questionnaire is pushed to users according to the priority of the questionnaire. Thereal time questionnaire push method includes the following steps: the consultation information related to the consultation made by users is obtained, the consultation information is utilized to screenthe category related to users, the corresponding questionnaire is retrieved in the questionnaire to be screened according to the category, and the screening is performed on the retrieved questionnaire and the questionnaire to be pushed is selected according to the priority; and the questionnaire to be pushed is pushed to the users.

The invention provides a coal mine gas drainage pipeline optical fiber monitoring system which comprises hardware and software, wherein a hardware system comprises an optical fiber temperature sensor, an optical fiber pressure sensor, an optical fiber laser gas sensor, an optical fiber flow sensor, a single mode fiber, a coupler, a multi-core optical cable, a fiber bragg grating demodulation instrument and an optical fiber gas demodulation instrument; a software system comprises a computer, a background database and a data correspondence protocol. The carrying system has the beneficial effects that a fiber bragg grating sensing technology is introduced into the field of coal mine downhole pipeline monitoring; a software-hardware test system applicable to inflammable and explosive environments and other environments is developed, and the all-day uninterrupted monitoring requirement for important parts of a coal mine downhole gas drainage pipeline is met.

The invention discloses a master-slave target monitoring system and method in combination of a fisheye camera and a PTZ camera. The system is characterized by comprising a fisheye camera, a PTZ camera and a processing host; the fisheye camera is a master monitoring camera, the PTZ camera is a slave monitoring camera. The master monitoring camera in the invention adopts the fisheye camera to realize seamless monitoring of stand-alone hemisphere space and the moving target detection; the slave camera adopts the PTZ camera so as to realize the high resolution directional imaging to a specific target. The advantage of being large in monitoring range of the fisheye camera is sufficiently integrated, and meanwhile, the defect that the image of the fisheye camera is serious in deformation and low in resolution due to huge distortion is overcome through the directional secondary imaging of the PTZ camera, the fisheye camera and the PTZ camera are supplemented with each other so as to realize a real sense of single-system hemisphere space seamless monitoring function.

The invention discloses a transmission method and a device of P2P stream media, which relate to the incentive mechanism of a P2P stream media system. The method comprises the following steps that: a node sends out a connecting request to a partner node; the partner node determines that a successful response is returned to the node according to the sharing degree of the node, wherein the sharing degree refers to the proportion of uploading resources to downloading the resources in a certain time; and the node receives the successful response and establishes connection with the partner node.

The invention discloses a medical health clinical-monitoring system of ARM-based multi-channel wireless data communication processing. The system includes an ARM processor main-control module, a Bluetooth module, a radio frequency module, a USB-to-serial-port module, an LCD display module and a key and alarm module. The ARM processor control module carries out automatic recognition, verification, matching and reassembly on received data packets from external Bluetooth, data packets of external radio frequency equipment RF, key module control information and client control information, and then respectively sends processed information to corresponding function modules. The system can be enabled to simultaneously process the various information of all channels without mutual interference. In addition, working modes of the system can be set through various ways, and the system sends processed index data to a client for storage, display and sharing, thus provides big data, which are related to human body life information, for a physician on the aspect of medical health clinical-monitoring, and facilitates formulating rational treatment schemes by a clinician for different stages of clinical patients.

The invention relates to a robot remote control method and a human body bounding box determination method and system, and belongs to the technical field of image processing and robot control. The remote control method comprises the following steps: (1) displaying a robot field image at an operation end, and receiving operation video data of an operator; (2) in the image of the video data, based onthe joint point coordinate data in the previous frame of image, generating a cutting boundary frame for the human body image in the current frame of image; (3) cutting a current human body image based on the cutting boundary frame and converting the current human body image into a standard to-be-identified image; and (4) acquiring human body joint coordinate data in the current frame image basedon a pre-trained human body posture estimation network model, and generating a robot control instruction according to the joint coordinate data. According to the method, the real-time performance of control instruction generation is better ensured by simplifying the human body bounding box determination method, and the method can be widely applied to the fields of robot remote control and the like.

The invention discloses a method for manufacturing a cable for military industry equipment, comprising the following steps that: (1) an insulation layer is formed by extrusion-molding on a conductor, forming a wire; (2) a plurality of wires are provided, at least one wire among the wires is picked up to be the center wire, other wires are arranged around the center wire; the wires are jointly intertwisted to be a cable core of cable; (3) the cable core of cable is coated with a metallic layer, forming a shielded layer; (4) the shielded layer is covered by paper strips, forming a paper strip layer; (5) a serving is extrusion-molding on the outer part of the paper strip layer by the thermoplast vulcanized rubber. The cable manufactured by the method of the invention has the advantages of fast transmission speed and good screening effect; moreover, because the serving is the low-smoke-halogen-free serving, the cable also has the advantages of environmental protection, anti-ultraviolet performance and cold resistance, and is applied to the military industry equipment which is frequently worked in the field strong and under bad environmental conditions.

The invention uses an embedded real time multi-task operation system, a high speed embedded communication processor and massive high capacity memories to ensure the high performance of the VCM for processing the communication and data. The VCM hardware system is a CPU-based embedded type system that comprises a CPU subsystem, a memory subsystem, a MVB communication subsystem, a power subsystem and a communication interface subsystem that provides multi kinds of field bus interfaces. The VCM software system uses a modularization hierarchical architecture, and the said equipment driver layer is the lowest layer of the system software.

The invention discloses a communication device used for seeker tests. The communication device includes an input module, a processing module and a sending module; the input module receives inputted instructions and debugging parameters, and sends the received instructions and debugging parameters to the processing module; the processing module processes the instructions according to a CAN bus transmission protocol so as to generate a data packet, and generates a data packet for corresponding calculation results of the debugging parameters according to the CAN bus transmission protocol when the debugging parameters require size nonlinear calculation or phase nonlinear calculation, and the processing module processes the debugging parameters according to the CAN bus transmission protocol so as to generate a data packet when the debugging parameters do not require calculation, and sends the data packet to the sending module; and the sending module sends the data packet to a seeker. A work mode of the communication device is different from a work mode in the prior art in which manually-rendered signals or physical electrical signals are utilized to perform debugging, and the communication device can assist in ensuring the timeliness and reliability of data transmission.

The invention provides a bioelectricity impedance imaging system hardware circuit system based on a CAN bus. The hardware circuit comprises a middle control plate and a plurality of data collecting plates. The middle control plate is connected to a computer through a serial port connecting cable and receives an instruction sent by the computer. The middle control plate is connected with the data collecting plates through the CAN bus and a shield cable, and a unified programmable clock signal output by the middle control plate is input to the data collecting plates. The DSP of the data collecting plates acquires data through external interruption to carry out digital phase-sensitive demodulation, and the demodulation result is sent to the middle control plate through the CAN bus and finally sent to the computer. The bioelectricity impedance imaging system hardware circuit system has the advantages that the sweep frequency range of system drive signals ranges from 10 KHz to 10 MHz, the bioelectricity impedance imaging system hardware circuit system can be used as a flexible signal generator through the field programmability of an FPGA and can also carry out real-time compensation for collected signals of various channels, the effect on effective signals is offset, and the real-time performance and reliability are ensured.

The invention discloses a tramcar operation control method based on 5G-V2X and train-train communication, and relates to the technical field of tramcar signal communication. Under normal conditions, a vehicle-mounted controller is connected to a communication system through a 5G network to communicate with a track side turnout controller, an intersection priority controller and a central dispatching command system; and the vehicle-mounted controller communicates with vehicle-mounted controllers of other trains through a 5G network. When the 5G network is interrupted, the vehicle-mounted controller is directly connected with the track side turnout controller and the intersection priority controller in a communication range in a V2X mode, and sends information to the central dispatching command system in a forwarding mode through the track side turnout controller and the intersection priority controller; and the vehicle-mounted controller directly communicates with the vehicle-mounted controllers of other trains in the communication range in a V2X mode.