22results about How to "Stable communication" patented technology

The invention provides a self-inflating communication buoy. The self-inflating communication buoy comprises an upper-section shell, a buoyancy section, a middle-section shell and an inflating equipment section, the upper section shell, the buoyancy section, the middle section shell and the inflation equipment section are fixedly connected in sequence from top to bottom; the upper section shell carries communication equipment, the buoyancy section carries an air bag, and a watertight connector is arranged in the middle section shell and used for data transmission and communication between the communication equipment and underwater equipment; automatic inflation equipment is arranged in the inflation equipment section, and when the buoy does not enter water, the air bag is in a contraction state; when the buoy enters water, the automatic inflation device is started to inflate the air bag, and therefore buoyancy is provided for the buoy. When not entering water, the buoy is small in size, the buoyancy is rapidly increased after the buoy enters water, and the buoy can float on the water surface for communication.

The invention discloses a data reporting method of a photovoltaic cleaning robot, the photovoltaic cleaning robot and a system, and belongs to the technical field of robot communication. The data reporting method of the photovoltaic cleaning robot comprises the steps of determining a relay robot in a plurality of adjacent robots under the condition that a communication link with a server is detected to meet a triggering condition, and establishing a near field communication link with the relay robot; determining a relative position relation with the relay robot; based on the relative position relation, the motion state of the robot itself is adjusted, so that the robot itself moves along with the relay robot in the mobile operation environment, and the communication stability of a near field communication link is kept; and sending the to-be-reported data to the relay robot through the near field communication link, so that the relay robot uploads the to-be-reported data to a server. Through stable near field communication between the photovoltaic cleaning robots, the data of the photovoltaic cleaning robots can be timely and completely reported to the server.

The application relates to the technical field of wireless communication, in particular to a talkback machine based on an emergency alarm function and a working method thereof. The talkback machine comprises an environment and posture mutation sensing module, a backup radio frequency link activation and configuration module, a signal attenuation compensation module, a discharge scheduling and energy limit extraction module and an extreme search and rescue response stabilization module. In the application, the intrusion of water and the mutation of a holding posture are sensed by tracking the conductivity characteristics of the bottom of a shell and the abnormality of internal space coordinates, the problem of an alarm blind area when a behavior ability is lost is effectively solved, the risk identification accuracy in an emergency environment is enhanced, the accurate calculation of signal loss and the dynamic compensation of transmission obstacles under complex medium masking are realized, the spatial coverage radius of a gain trajectory in a poor shielding environment is improved, the discharge scheduling mechanism is executed in combination with a risk level and a residual charge quantity decay rate, the energy extraction efficiency under the concurrent state of high-gain emission and large-current charging is optimized, and communication stability is ensured.

The application discloses an edge server, an edge computing system and a communication method thereof. The method comprises the following steps: periodically acquiring, by the edge server, communication state information of each edge computing node in a topological network structure and edge computing nodes within a preset distance range around the edge computing node, inputting the acquired communication state information into a pre-established node connection decision model to obtain a real-time decision result, dynamically adjusting, based on the real-time decision result, a connection relationship of each edge computing node in the topological network structure and edge computing nodes within the preset distance range around the edge computing node to form an adaptive topological network structure, and performing data transmission by the edge server based on the adaptive topological network structure and each edge computing node. The topological network structure can be dynamically adjusted, and data can be stably and efficiently transmitted in a dynamically changing network environment.

The application relates to a data and clock phase difference correction method, which comprises the following steps: a receiver performs secondary synchronization on an IO signal based on a CLK signal to obtain an IO synchronization signal; a starting bit falling edge pulse signal is obtained according to the IO synchronization signal, and then a starting bit enable signal is set; the delay duration of the receiver and the IO signal is obtained; when a check bit error of a character frame received by the receiver occurs, a compensation time is determined, the data line is taken over at the compensation time according to the delay duration, the data line is driven to a low level, and the character frame is retransmitted by a transmitter. The receiver of the application can better receive the starting bit on the data line, has smaller timing requirements for the other party of communication, and can communicate with more products. The application avoids possible misjudgment and bidirectional driving of the transmitter, enables the communication between the two parties to be stably carried out, improves the performance of the interface, and enhances the compatibility. The application also relates to a receiver, a chip and a device.

This invention discloses a method for leading-edge signal detection and frame synchronization in the MAC layer of a battery cell pressure sensing network. By employing a frame start delimiter (SFD) leading-edge signal vector detection optimization algorithm, the efficiency and accuracy of leading-edge detection are improved. Algorithms such as sliding window analysis, noise likelihood function, and leading-edge likelihood function are used to accurately detect the leading-edge signal vector, further enhancing detection efficiency and accuracy. Simultaneously, the Bayesian likelihood ratio method is used for leading-edge signal vector detection, significantly reducing the false positive and false negative rates and increasing the reliability of the detection results. This invention enables rapid leading-edge signal vector detection and frame synchronization, improving the real-time performance of data transmission and making it suitable for applications requiring high real-time performance, such as lithium battery management systems. The method proposed in this invention can be widely applied to the MAC layer of battery cell pressure sensing networks, providing strong support for establishing more efficient and reliable sensor network communication.

The utility model discloses a kind of bridge workstations with multi-channel super-long RF receiving and uploading function, belong to electronic equipment technical field, a kind of bridge workstations with multi-channel super-long RF receiving and uploading function, including rear shell and the front shell fixed in rear shell one side, the rear shell inside is provided with control host computer, recess is opened in the lower part of the other side of rear shell, the inner top wall of recess is equipped with network cable connection port and power interface, it can effectively solve the problem of low data transmission efficiency caused by traditional bridge workstation single channel or limited channel RF signal processing, insufficient simultaneous access capability of multiple devices, simultaneously break through the restriction of RF receiving and uploading distance, avoid affecting the stability and reliability of communication system due to signal attenuation, interruption in large industrial plant, remote monitoring system and other scenarios, and optimize equipment structure design and interface layout, reduce installation space occupation, improve the convenience of later maintenance and operation.

The UART optocoupler isolation communication control system comprises an optocoupler, a host computer and a slave computer, the host computer and the slave computer are connected through the optocoupler, and the optocoupler is used for electrical isolation between the host computer and the slave computer; the optocouplers comprise a control optocoupler and a communication optocoupler, each optocoupler comprises a primary side and a secondary side, the host comprises a UART interface, a controllable current module and a power supply module, and the controllable current module comprises an energy storage filter circuit, a controllable current signal input end and a triode; the UART interface is connected with the primary side of the communication optocoupler, the slave is connected with the secondary side of the communication optocoupler, the controllable current signal input end is connected with the triode, the triode is connected with the primary side of the control optocoupler, the energy storage filter circuit is connected with the secondary side of the control optocoupler, and the controllable current module and the power module are connected with the primary side of the communication optocoupler. And the two are cooperatively used for providing current required by saturation conduction for the communication optocoupler. A saturated conduction state of the communication optocoupler can be kept, different numbers of communication nodes and high-temperature operation environments can be adapted, and the technical effect of stable communication is achieved.

This application relates to a mobile communication fixture for carrying a workpiece and moving it along a feeding direction. It includes a fixture plate, an actuator disposed within a space on the fixture plate, several receiving antennas, and a controller. The fixture plate has a bearing surface for carrying the workpiece. The actuator applies force to restrain the workpiece when the fixture moves to a preset position. The receiving antennas are disposed within the space and are respectively arranged on the upstream and downstream sides of the feeding direction. The controller is connected to the receiving antennas and the actuator, and controls the actuator to operate after receiving a control signal from the receiving antennas. This mobile communication fixture, because the receiving antennas are distributed upstream and downstream in the feeding direction and participate in the control logic determination together with the controller, effectively solves the signal reception blind spot problem caused by metal structure obstruction in the prior art, thereby achieving stable communication and precise control in complex interference environments and ensuring the reliability of the fixture's response during movement.

This invention discloses a fire rescue linkage system, which consists of a distributed sensor network, an intelligent main control hub, a communication and dispatch module, an access control execution unit, and a linkage rescue robot. Sensor nodes collect ambient temperature, physical button inputs, and voice signals in real time and upload them to the main control hub. The hub's built-in microprocessor performs multi-modal joint judgment of fire hazards, generates a rescue data packet containing physical coordinates and trigger source tags, and sends concurrent alarms to users, neighbors, property management, and fire terminal via the communication and dispatch module. The hub controls the access control status through linkage commands and directs the rescue robot to move to the target area to perform detection and rescue. This system achieves rapid fire hazard identification and multi-level accurate alarms, combining remote and near-field linkage rescue, solving the problems of narrow information coverage, delayed response, and disconnected rescue linkage in existing systems. It significantly improves the intelligence level and efficiency of fire emergency rescue, effectively protecting lives in critical moments.

The utility model discloses a kind of urban rail transit communication anti-extrusion cable, it includes: outer sheath layer, the inner side of the outer sheath layer is provided with steel belt armoring, the inner side of the steel belt armoring is provided with inner sheath layer, the inner side of the inner sheath layer is provided with insulating layer, the inner side of the insulating layer is erected with honeycomb isolation board, the left and right sides of the outer sheath layer extend and are provided with clamping pad layer, pressure pad strip is embedded and fixed between upper and lower opposite of the clamping pad layer, vertical direction is stepped down and is pressed to protect, auxiliary bear the pressure that wire core suffers, ensure the stability of wire core structure, avoid the damage of its inner wire core caused by outer sheath layer excessive pressure flattening deformation, additionally the compression strength of its whole is improved while a plurality of wire core and filling material are separately isolated, prevent its compression deformation and mutual extrusion contact and be damaged, ensure its communication stability.

The utility model provides a consumable chip, laser printing consumable and printing equipment, the consumable chip comprises a substrate and an electronic module, the electronic module is arranged on the substrate, the consumable chip further comprises a first pin and a second pin, the first pin and the second pin both extend out of the substrate and are electrically connected with the substrate, and the second pin is provided with a plugging position; in the thickness direction of the substrate, the first pins and the second pins are located on the same side of the substrate; the first pin can be elastically deformed and is in contact with a first contact pin of a chip contact pin structure of printing equipment, the second pin can be elastically deformed and is in contact with a second contact pin on a positioning column of the chip contact pin structure, the positioning column is inserted into the insertion position, and the laser printing consumable is provided with the consumable chip. The consumable chip can ensure moderate multi-point synchronous electric contact pressure, is good in contact stability, can effectively reduce the damage risk of the contact pin of the printing equipment, and prolongs the service life of the contact pin of the printing equipment.

The invention discloses a generator set real-time monitoring system based on edge calculation, and relates to the technical field of control and adjustment. The system comprises a remote master control terminal which is used for receiving parameter values of different types of detection parameters and judging whether the operation is normal or not, and if not, target parameter values of a plurality of types of control parameters are sent to a generator set; the edge control end is used for continuously receiving parameter values of different types of detection parameters and target parameter values of a plurality of types of control parameters sent to the generator set by the remote main control end; generating a unit judgment adjustment strategy; continuously monitoring whether the communication among the sensor, the remote main control end and the generator set is normal or not; if normal, no intervention is carried out; and if not, monitoring the operation of the generator set according to the set judgment and adjustment strategy. All-weather stable real-time monitoring of the generator set is realized.

The utility model relates to communication antenna technical field, specifically disclose a kind of 4G omnidirectional glass steel antenna, including glass steel body, still including the pedestal of being provided with globe cover, and the straight male head of being provided with inner tube, the inner tube is set in globe cover, and with globe cover fixed connection. The 4G omnidirectional glass steel antenna provided by the utility model, by the internal thread in straight male head to ensure the basic communication connection of glass steel antenna, and utilize the external thread on inner tube then can provide convenient disassembly to straight male head, can be used to replace the damaged straight male head, the globe cover of external thread connection, then can strengthen waterproof vapor invasion, so that the water vapor that globe cover lingers blocks enters, the position of the conductor installed on pedestal is protected, realizes the stable communication of conductor, also can utilize double thread connection to strengthen glass steel body use stability.

The invention discloses an underground space multimode time service intensity real-time monitoring sensor and system based on heterogeneous edge calculation, and relates to the technical field of geological disaster monitoring and earthquake early warning. The system comprises a sensor end and a data service system. The sensor end is integrated with a data acquisition unit, a heterogeneous edge calculation processing unit, a multimode high-precision timing unit, an intensity calculation algorithm module and a data communication unit. Through cooperative work of the application processing core and the real-time control core and in combination with a three-level redundant time service mechanism of GPS, IRIG-B and PTP, the problems that underground space time service is single and the real-time data processing capability is insufficient are solved. According to the invention, high-precision synchronous acquisition of vibration data and real-time intelligent analysis of the edge side are realized, the real-time performance, accuracy and reliability of the monitoring system are significantly improved, and the system is especially suitable for satellite signal limited environments such as coal mines and tunnels.

The invention belongs to a personalized intelligent medicine feeding regulation and control system based on machine learning, and the system comprises the steps: collecting a skin multi-source bioelectricity signal, carrying out the case matching and feature extraction through employing an ant colony-mantis shrimp visual fusion algorithm, and generating a bioelectricity feature data set; the optimization direction of the bioelectricity characteristic data set is shared through decentralized lightweight federal learning, and a medicine feeding equipment interaction model with communication and energy supply capabilities is constructed; establishing a minimum block chain network, and recording equipment operation behaviors to generate a physical hash value; decrypting the encrypted data set and extracting key features, constructing a database according to user health information, and establishing a correlation model of medication parameters and health states; and predicting an optimal medication scheme of the user through the LSTM neural network, converting the scheme into a control instruction, and issuing the control instruction to the medicine feeding equipment interaction model to form a personalized medicine feeding regulation and control closed loop. According to the invention, multiple advantages are formed in physiological data medication regulation individuation and data safety protection.

The invention provides an underwater Chirp spread spectrum communication demodulation method and system based on deep learning. The method comprises the following steps: step 1, signal preprocessing; receiving an underwater Chirp spread spectrum communication signal, and sequentially executing data packet detection, time-frequency offset correction and symbol conversion operation to obtain an input feature of the deep learning model; step 2, demodulation based on deep learning; inputting the input features obtained in the step 1 into a preset deep learning model, performing multi-scale extraction and identification on the time-frequency features through the deep learning model, outputting symbol category probability distribution, and completing signal demodulation; according to the technical scheme, the demodulation performance is improved through the intelligent signal processing technology, the restriction relation among the performance, the cost and the energy consumption in the traditional technology is broken through, and a new technical path is provided for popularization and application of the underwater communication technology.

The invention provides an intelligent air switch control system, and relates to the technical field of low-voltage electric appliances. The intelligent air switch control system comprises an intelligent control platform, a concentrator module, a plurality of intelligent air switches, a channel quality monitoring and adaptive communication module and a load portrait and grading protection module, the intelligent control platform communicates with the concentrator module through a wired serial port or a mobile communication network, the concentrator module communicates with each intelligent air switch through a power line carrier communication mode, and each intelligent air switch is connected in series in a corresponding user load loop; each intelligent air switch comprises an electric parameter acquisition module, a micro-processing unit, a switch-on and switch-off execution mechanism and a power line carrier communication module. According to the scheme, an existing power line is used as a communication link, stable communication between the intelligent air switch and a control platform is achieved through the high-speed power line carrier technology, and the intelligent air switch has the intelligent management functions of power utilization data measurement, power utilization abnormity monitoring, switch state monitoring, manual or remote control on-off and the like.

The invention provides a reusable NFC steel wire seal and a monitoring system and method thereof, and belongs to the field of logistics safety and intelligent recognizing.According to the technical scheme, a circuit board and two lock heads with built-in funnel ball self-locking mechanisms are arranged in a shell, and a steel wire penetrates through the lock heads to form a conductive loop with a steel wire detection module; the circuit board executes a force-electricity dual-mode weighted discrimination algorithm, state determination is carried out by fusing real-time steel wire tension and loop current, and the number of use times is recorded during state switching; and the state and the number of times are sent to an external reader-writer through the NFC radio frequency circuit. According to the scheme, recycling of the seal body is achieved, violent shearing, soft damage and electrical attack behaviors are effectively recognized through force-electricity dual-mode fusion judgment, the characteristic of tamper-proof judgment is improved, and meanwhile the NFC communication performance is optimized through the double-face PCB layout.

The invention discloses a short-time electric power meteorological disaster identification method and system based on multi-source observation data fusion, and particularly relates to the field of electric power system data processing and meteorological disaster situation prediction.The method comprises the steps that edge monitoring points are arranged at power transmission lines, transformer substations and key positions, meteorological data and electric power data are continuously collected, and the meteorological data and the electric power data are acquired; synchronizing the collected meteorological and electric power data according to a unified time interval, pairing and merging the data in the same time period according to a timestamp and a spatial position, and calculating an average value, a variation amplitude and a fluctuation trend through a sliding window mode to form a monitoring data set; according to the invention, synchronous acquisition of meteorological and power data is realized at an edge monitoring layer, pairing merging and sliding window calculation are performed according to a timestamp and a spatial position, and a situation prediction process of a self-correction cycle is formed in combination with a disaster risk value and a deviation proportion, so that joint analysis of meteorological changes and power equipment states is realized.

The present disclosure relates to the technical field of large-scale mobile robot scheduling, and provides a method and device for intelligent scheduling of large-scale mobile robots assisted by unmanned aerial vehicles, comprising: constructing a collaborative scheduling architecture comprising unmanned aerial vehicles, multiple mobile robots and edge servers; in the collaborative scheduling architecture, based on the communication delay, jitter and control error of each mobile robot, a joint optimization problem is constructed with the objective of minimizing real-time tracking error; the joint optimization problem is modeled as a Markov decision process; the control and communication joint action of the Markov decision process is determined by using an intelligent scheduling algorithm; and the mobile robot control instruction, the unmanned aerial vehicle flight path, the scheduling and phase configuration of the reconfigurable intelligent metasurface of the unmanned aerial vehicle, and the transmission power of the edge server in the collaborative scheduling architecture are adjusted in real time according to the control and communication joint action. The embodiment reduces the communication delay, jitter and trajectory tracking error of the mobile robot, and improves the stability and reliability of the system scheduling.

The utility model relates to the technical field of nuclear power station intelligent inspection, and discloses a nuclear power station inspection robot navigation positioning device, which comprises a core positioning sensing module, an environment characteristic identification module, a multi-source data fusion processing module, an anti-radiation enhanced positioning module and an autonomous navigation decision module, the core positioning sensing module comprises a laser radar scanning unit, an inertial measurement unit and a speedometer unit, the laser radar scanning unit adopts a multi-line laser radar, and the speedometer unit obtains the rotating speed of a driving wheel through an encoder and calculates the relative displacement of the robot, so that the robot can be positioned in an environment without GPS signals; a core positioning sensing module, an environment feature recognition module, a multi-source data fusion processing module, an anti-radiation enhanced positioning module and an autonomous navigation decision module are integrated, so that the nuclear power station inspection robot navigation positioning device realizes a high-precision and high-robustness navigation positioning function; and the navigation positioning problem in the complex environment of the nuclear power station is effectively solved.