137results about How to "Fast networking" patented technology

The invention discloses an energy-storage type alternating current and direct current mixed micro-grid and a control method thereof. The energy-storage type alternating current and direct current mixed micro-grid comprises an alternating current micro-grid, a direct current micro-grid, a battery energy-storage system and an energy management system EMS, which are connected with an external grid control center. The control method of the energy-storage type alternating current and direct current mixed micro-grid comprises the following steps of initializing the EMS to acquire information data of the alternating current micro-grid, the direct current micro-grid and the battery energy-storage system; acquiring information data of an external public grid in real time; regulating and controlling the alternating current micro-grid, the direct current micro-grid and the battery energy-storage system according to the acquired data. The energy-storage type alternating current and direct current mixed micro-grid and the control method thereof have the advantages that the energy utilization efficiency can be improved, the size of a transformer can be reduced, networking and controlling are more flexible, the cost is reduced, and the power supply reliability of the whole system is improved.

The invention discloses a multi-robot mapping guidance system based on a cloud server and a mapping guidance method. The multi-robot mapping guidance system based on the cloud server comprises the cloud server and a plurality of robots, and each robot can be in data connection with the cloud server; the mapping guidance method based on the system comprises the steps that cloud mapping is conductedaccording to the environmental data obtained through robot detection, and the data is issued to all the robots in the system so as to achieve network-construction guidance of the robots. By means ofthe multi-robot mapping guidance system based on the cloud server and the mapping guidance method, the robots can share map sources, the hardware configuration requirements for a single robot are reduced, the hardware cost can be saved, moreover, the map building, perfecting and updating efficiency is easily improved so that the robots can quickly conduct network construction, the cloud serve canknow the position distribution of the robots very well, and the unified allocation is conveniently achieved.

The invention discloses a spatial small aircraft formation flying control system. The spatial small aircraft formation flying control system comprises a task planning system, a formation calculation module, a primary aircraft control module, a formation pattern control module and a secondary aircraft control module, wherein the task planning module is used for sending a mission spatial characteristic and a target characteristic to the formation calculation module; the formation calculation module determines the optimal formation pattern of the spatial small aircrafts and sends the optimal formation pattern to the formation pattern control module; the task planning module is also used for sending a commanded flying state to the primary aircraft directly; the primary aircraft control module performs flying control to obtain a practical motion state; the formation pattern control module calculates to obtain a commanded motion state of a secondary aircraft and sends the calculation result to the secondary aircraft control module; the secondary aircraft control module performs flying control to obtain the practical motion state.

The invention discloses a rapid IO switching network, which is composed of a plurality of P2020 processing chips as nodes and a plurality of CPS1848 switching chips as switches. As the master node, the P2020 processor uses DFS algorithm to search the whole network topology in the initialization process, Enumerate all RapidIO devices in the network, get the number of nodes and switches and the connection relationship between the devices, on this basis, dynamically configure the routing table to complete the network initialization configuration. Each terminal node in RapidIO network realizes thehigh-speed data communication among Doorbell, Mailbox and DirectIO nodes by configuring its own registers. The invention realizes the function of RapidIO networking communication, and provides support for wide application of RapidIO bus in modern avionics system.

The invention discloses an underground total darkness environment high definition video collecting and processing system as well as a collecting and processing method. The system comprises a power supply unit, a microprocessor, a video collecting and processing unit, a voice processing unit, a displaying unit, a storing unit, a wireless transceiving unit and an USB interface; the above units are connected to compose a mobile terminal equipment for collecting audio and video signals, and performing wireless transceiving, playback and wired output to the collected signals; the video collecting and processing unit comprises an optical lens, a micro image intensifier, a CMOS image sensor and a white light secondary light source. The method comprises: 1. collecting voice and video signals; and 2. performing wireless transceiving, playback and wired output to the collected signals by the microprocessor. The used equipments in the invention are simple in structure, small in volume, flexible in networking, light and convenient in mobilizing, low in cost and low in power consumption, can realize underground total darkness environment high definition video collecting and processing and real-time low power consumption mobile voice communication.

The invention belongs to the field of emergency rescue and rescue, and relates to intelligent distress signal transmission, in particular to an intelligent rescue method and system based on NFC near-field communication, LoRa low-consumption long-range communication technology and unmanned aerial vehicle technology. According to the method and the system, the LoRa communication equipment carried onthe unmanned aerial vehicle platform is used for collecting the help seeking information sent by the LoRa node under the extreme environment condition that a conventional communication environment islacked or damaged, so that the state of a rescue target is determined, and a communication channel between the rescue target and the target is constructed. The mobile terminal in the system serves asa user interface terminal, activates the lifesaving system through NFC communication and sends out help seeking information in time. The LoRa node communication module has the advantages of being lowin power consumption, high in penetrating power, long in remote communication distance and the like, is suitable for information communication under the conditions of natural disasters and severe living environments, and can dynamically form a communication network with an LoRa gateway carried on an unmanned aerial vehicle platform to transmit rescue target characters, positions and other information.

The system includes mixer, cable TV coaxial, deconcentrator, and WLAN antenna. The mixer is in use for mixing received cable TV signal and WLAN signal. Through cable TV coaxial, mixed signal is transferred to deconcentrator. The deconcentrator separates cable TV signal from WLAN signal, which is transferred to WLAN antenna. Beneficial effects are that solving issue of entering house in final 100 meters, not need of penetrating wall, and good consistency.

A method for detecting coverage loss in a broadband wireless access system is disclosed, which recognizes a connection state between a mobile station (MS) and a base station (BS), and provides a method and apparatus for quickly performing network re-entry when the MS moves out of a coverage area of the BS. A method for allowing a base station to perform coverage loss detection of a mobile station in a broadband wireless access system includes unsolicitedly transmitting a first message wherein a bit for requesting ranging execution is set, to the mobile station, and upon receiving a second message for confirming the ranging from the mobile station prior to expiration of a first timer that begins to operate when the first message is transmitted, restarting operating a second timer established for the mobile station.

The invention discloses a three-dimensional space bee colony networking architecture construction method based on a heterogeneous cellular network, wherein the architecture is oriented to the heterogeneous and heterogeneous characteristics of medium and large unmanned aerial vehicles and small unmanned aerial vehicles. The method supports unmanned aerial vehicle group dynamic networking of a double-layer architecture in which medium and large unmanned aerial vehicles construct an upper-layer macro cellular network and small unmanned aerial vehicles construct a lower-layer micro cellular network. The construction process comprises the steps of micro-cellular initial networking, macro-cellular network establishment and network topology maintenance. The method also supports macro-micro cellular two-level cooperative spectrum sensing and distribution resource management and an efficient information sharing processing mechanism, improves timeliness of accurate identification and efficient sharing of the bee colony spectrum, and highlights efficient utilization of limited resources and flexible construction of the network. The method focuses on improving the spectrum utilization efficiency of the bee colony network and the energy efficiency of the unmanned aerial vehicle, and can realize rapid networking and dynamic topology management of large-scale unmanned aerial vehicle swarms and dynamic management and efficient utilization of wireless resources. In addition, the scheme can improve the efficiency of the unmanned bee colony, and copes with a complex and changeable networking environment.

The invention discloses a networking method of a micro-power wireless communication network. Child nodes in the network are divided into backbone nodes and normal nodes, and networking is performed by employing parallel mode of two networking channel groups; the method includes steps of beacon sending, field intensity collection, and parameter configuration, master nodes and the backbone nodes perform field intensity collection and parameter configuration, and normal node neighbors of the backbone nodes directly perform parameter configuration. According to the method, two networking channel groups are employed in a parallel manner in the networking process, a basic network is established by employing the manner of a backbone network so that the network stability is guaranteed to a large extent, a lot of normal node neighbors do not need field intensity collection and directly perform parameter configuration so that the networking time is greatly saved, and rapid networking is realized.

The invention provides a financial network terminal wireless safe network deployment system and a method thereof. The system includes: an interface router, a center VPN encrypting fire wall, a AAA software authentication server, a wireless CDMA router, wherein, the interface router is a network equipment for establishing special line connection by a financial center and CDMA operator.

The invention discloses a gateway system with cloud storage and a data interaction method applied to a system. The system comprises the gateway system body with cloud storage and is characterized by comprising multiple access devices and a gateway which has the cloud storage function and is communicated with the access devices. The access devices are used for interacting with the gateway and visiting a cloud storage device. The access device which is logged in to by an administrator is adopted for transmitting data in the cloud storage device to the designated access device and used for controlling collected data of the access devices, sending the data to the gateway and storing the data into the cloud storage device. The data interaction method includes the following steps that when the access devices request to access the gateway for the first time, strict authentication is adopted and the access devices are allowed to access the gateway after passing the authentication and the gateway records the identity, communication features and other property information of the access devices. According to the gateway system with cloud storage and the data interaction method applied to the system, the devices accessing to the gateway can be flexibly managed and network communication channels are set up and switched rapidly.

The invention discloses a networking method and a networking system for power line carrier and wireless converged communication. The networking method comprises the steps of: firstly, searching lower-level nodes step by step from a central node until all the terminal nodes complete present-level network layering, and recording signal-to-noise ratio information of a power line carrier channel between each node and the upper-level node thereof and signal-to-noise ratio information of a wireless channel between the node and the upper-level node thereof by means of the node in the searching process; selecting a cluster head node of each level according to the signal-to-noise ratio information and connectivity information of the nodes; creating a cluster; and selecting an inter-cluster relay node by means of the cluster head node of each level according to the signal-to-noise ratio information between the cluster head node and a cluster head node of an upper level, and completing the networking of the clusters. The networking method and the networking system for power line carrier and wireless converged communication can realize quick and reliable networking of a power line carrier andwireless converged communication network.

The invention provides an anti-drowning system, an anti-drowning method, an anti-drowning swimming pool, and a construction method and a reconstruction method for the swimming pool. The system comprises a plurality of first radio-frequency identification electronic tag devices, wearable second radio-frequency identification electronic tag devices and at least one radio signal acquisition device, wherein the first radio-frequency identification electronic tag devices have address codes for expressing the positions thereof in the swimming pool, and are arranged at the bottom of the swimming pool in the form of an array; each second radio-frequency identification electronic tag device has a unique identification number and at least comprises a water pressure detection sensor used for judging whether the corresponding swimming person is in a drowning state or not, the second radio-frequency identification electronic tag devices carry out radio-frequency identification with the first radio-frequency identification electronic tag devices at the bottom of the swimming pool respectively, and the address code of the first radio-frequency identification electronic tag device with the strongest radio-frequency signal is used as the address code of the position of the corresponding second radio-frequency identification electronic tag device in the swimming pool; and the radio signal acquisition device carries out radio communication with each second radio-frequency identification electronic tag device, and can send the address code of the position of each second radio-frequency identification electronic tag device in the swimming pool to a control terminal.

The present invention discloses a remote reading and controlling system for an intelligent instrument, comprising an intelligent instrument, a front end data collector, a cloud platform and a supply end server; the front end data collector is in communications connection with the cloud platform through the Internet, the cloud platform is in communications connection with the supply end server, and the front end data collector is in communications connection with the intelligent instrument. By using a remote reading method for an intelligent instrument according to the invention, data are transmitted between the intelligent instrument and a central control master by means of wired connection, or wireless connections such as Bluetooth MESH, a single central master can be installed at one building to connect intelligent instruments of all families in the building, there is no need for complex wiring particularly since Bluetooth MESH wireless networking is utilized, the central control master can be integrated to such as a video intercom system, a door access control system and even a cellphone, and the cost is low.

The embodiment of the invention discloses a wireless grid network access method and device, computing equipment and a storage medium. The wireless grid network access method comprises the following steps: sending wireless grid network access point detection information; receiving first feedback information corresponding to the wireless grid network access point detection information; selecting a wireless grid network access point meeting a preset condition according to the first feedback information; and accessing to the wireless mesh network through the wireless mesh network access point. According to the embodiment of the invention, rapid networking of the wireless mesh network can be realized.

The invention provides a networking method, a private cloud platform and a storage medium. The method comprises the following steps: receiving configuration information input by a user, wherein the configuration information is used for configuring at least two pieces of user edge equipment in a plurality of pieces of user edge equipment; establishing tunnel connections with the at least two piecesof user edge equipment based on the configuration information; and transmitting the configuration information to the at least two pieces of user edge equipment in order to establish a connection between the at least two pieces of user edge equipment and realize networking between the at least two pieces of user edge equipment. Through adoption of the networking method, rapid networking without manual intervention can be realized, so that the networking cost and maintaining cost are lowered, and the access experience of interconnection and intercommunication among the user edge equipment is improved.

The invention discloses a highly-integrated satellite centralized power supply monitoring device, wherein the system hardware architecture comprises a whole machine case, a front panel, an internal PXIe industrial personal computer and a rear panel. The front panel is provided with a keyboard, a liquid crystal screen and a whole machine switch. The internal PXIe industrial personal computer includes a controller, a PXIe bus backplane, a CPCI power supply and a function module. The highly-integrated satellite centralized power supply monitoring device solves the technical problem that a traditional power supply and distribution test device is large in size and high in weight, achieves command transmission and wired parameter measurement by program controlling an external Agilent 34980, needs to customize an Agilent 34980 dedicated test cable, and is convenient in convey and transition test. The highly-integrated satellite centralized power supply monitoring device integrates power supply, command transmission, telemetry parameter acquisition and the like, improves integration, and realizes test system miniaturization and rapid construction. The internal function modules can be modularly replaced so as to enhance product scalability.

The invention belongs to the field of safety protection alarm, and relates to an emergency alarm system and an implementation method, in particular to a wearable emergency alarm system and method based on NFC near-field communication and LoRa low-consumption long-range communication technologies. The invention provides an intelligent alarm system which activates a wearable alarm device through a mobile phone NFC signal and sends an alarm signal to a monitoring background in a LoRa communication mode under the condition that a conventional communication environment is lacked or an emergency situation occurs. The wearable alarm device combining the NFC communication function and the LoRa node function has the advantages of low power consumption, long time efficiency, strong penetrating power, long communication distance, high response speed, strong concealment and the like, is suitable for rapid and continuous alarm under the conditions of natural disasters, safety crisis, severe livingenvironment and the like, and can be linked with a LoRa gateway carried on an unmanned aerial vehicle platform to meet the system requirements of emergency alarm, rapid positioning and rescue.

The embodiment of the invention provides a random access method based on a signal carrier TDMA and a base station. According to the method, networking is conducted based on a single carrier and TDMA access mode. A physical layer frame of the method comprises TDD wireless frames, the length of each TDD wireless frame is 10 ms, each TDD wireless frame comprises 10 time slots, and four continuous TDD wireless frames constitute a multi-frame, wherein the front two time slots and the later eight time slots of each TDD wireless frame are used as a carrier of a control channel and a carrier of a traffic channel respectively. The control channel comprises a broadcast control channel BCCH, a random access channel RACH, an access granted channel AGCH, a paging channel PCH, a dedicated control channel DCCH and a frequency correction channel FCCH, wherein an RACH time slot comprises a plurality of RACH sub time slots. According to the random access method based on the signal carrier, access time delay can be shortened, and the access capacity, the access speed and the transmission speed can be increased.