4278results about "Transmission systems" patented technology

The invention relates to the technical field of unmanned aerial vehicles, in particular to a low-power-consumption star flash control module applied to an unmanned aerial vehicle and a dummy pilot control method. The method comprises the following steps: acquiring an original control instruction of a real flying hand, and converting the original control instruction into an encrypted pulse signal containing a dynamic key; fusing a frequency spectrum camouflage signal simulating the environment background of a dummy pilot into the encrypted pulse signal, and then transmitting the encrypted pulse signal to the dummy pilot in a self-adaptive frequency hopping mode; synchronously analyzing the dynamic key at a dummy flying hand end and stripping the frequency spectrum camouflage signal to generate a virtual control track matched with the real operation behavior characteristics; and reversely modulating an actual response signal of the unmanned aerial vehicle based on the virtual control track, so that the unmanned aerial vehicle executes an action and forms dynamic error compensation with the virtual control track. According to the invention, a real flying hand can be effectively protected from electronic reconnaissance positioning and attack of an enemy, and the concealment is improved.

The invention relates to the technical field of wireless communication, in particular to an intelligent wireless communication control method applied to ships and boats. The method comprises the following steps: acquiring radar original point cloud data, an AIS ship attribute data set, a Beidou navigation state data set and night vision target feature data through a multi-dimensional sensor, and constructing ship multi-source standardized preprocessing data; therefore, the functions of multi-source heterogeneous data fusion, dynamic channel adaptive modulation, distributed relay communication guarantee, real-time air route dynamic planning, intelligent instruction generation and the like are realized; the problems of high data isolation, large transmission delay, rigid navigation path, slow obstacle avoidance response, insufficient formation collaboration and the like in the existing ship communication control technology are solved, and the communication stability, the navigation safety and the overall combat effectiveness of the ship formation in a complex dynamic environment are remarkably improved.

The invention discloses a robot joint control method and system based on motion capture equipment, and belongs to the technical field of robot control. An existing robot joint control scheme lacks an effective man-machine cooperation and natural interaction mechanism, so that the flexibility of a robot is poor, and the intention of an operator cannot be naturally expressed. According to the robot joint control method based on the motion capture equipment, by constructing a motion capture module, a data processing module, a coordinate system transformation module and a solution optimization module, rotating posture data, collected by the motion capture equipment, of human body joints are converted into target joint control information needed by execution of a robot; the robot joint control based on the motion capture equipment is realized, so that the human motion can be efficiently and accurately mapped to the robot, the robot is good in flexibility, sudden motion or complex cooperative operation can be effectively processed, the intention of an operator can be naturally expressed, and man-machine cooperation and natural interaction are realized.

The invention provides an intelligent remote controller control method, device and equipment based on gesture recognition, and the method comprises the steps: obtaining multi-modal sensor data through an integrated time of flight (ToF) camera, a millimeter wave radar and an inertial measurement unit (IMU), carrying out the feature extraction to generate gesture spatial-temporal features, and carrying out the dimension exchange of the spatial-temporal features to generate exchange dimension features; constructing a candidate gesture probability superposition state based on the exchange dimension features, establishing a semantic negative hypothesis and generating a reverse verification parameter; performing weight correction on the probability superposition state by using the inversion verification parameter to generate a correction probability state, and determining a target gesture through probability aggregation; re-extracting verification feature data based on the target gesture, selecting a grading classification model according to a preset grading condition to perform secondary verification, and outputting a gesture recognition result; and detecting a communication environment state, constructing a satellite flash and UWB dual-mode communication race state, aggregating into an optimal communication mode, and completing intelligent control of the remote controller.

A wearable electronic device, a system and methods of monitoring with a wearable electronic device. The device includes a hybrid wireless communication module with wireless communication sub-modules to selectively acquire location data from both indoor and outdoor sources, as well as a wireless communication sub-module to selectively transmit an LPWAN signal to provide location information based on the acquired data. The device may also include one or more sensors to collect one or more of environmental data, activity data and physiological data. The device may transmit some or all of its acquired data to a larger system, including a cloud-based server to, in addition to providing location-based data, be used as a part of a predictive health care protocol to correlate changes in acquired data to salient indicators of the health of a wearer of the device. In one form, the predictive health care protocol uses a machine learning model.

A method for operating smart fixtures to enable artificial intelligence-based emergency detection, communication, and response within a building is disclosed. The method includes monitoring environmental conditions using sensors integrated into smart fixtures, such as power receptacles, light switches, and vents. Audio, image, and physiological motion data are captured and transmitted to a processor for analysis. The system extracts signal and motion-based features, identifies subjects, and calculates health parameters to assess distress levels. If an emergency is detected, an emergency communication signal is generated, and a communication session with a remote device is established. The system provides real-time situational updates and executes emergency response actions, such as adjusting power distribution and environmental controls. Predictive analytics modules enhance response efficiency by anticipating subject movements and optimizing emergency interventions. The smart fixtures facilitate intra-building communication and user interaction through voice-activated queries, enabling an adaptive and intelligent emergency management system.

A method of decoding a received communication signal is provided. The method may comprising converting the received communication signal to the frequency domain to provide frequency domain data. The method may further comprise combining amplitudes of one or more selected frequency components of the frequency domain data, the one or more frequency components being selected according to a predefined communication symbol comprising one or more selected frequency tones corresponding to the one or more selected frequency components. The method may further comprise detecting the predefined communication symbol in the received communication signal depending on the combined amplitudes of the one or more selected frequency components of the frequency domain data.

Disclosed in the present invention are a backup system, and a train control system and an application method thereof. The backup system comprises: a lineside electronic unit, which communicates with a TIS or a station computer-based interlocking device to obtain a signal state and turnout position information; and an active balise connected to the lineside electronic unit and an onboard device, respectively; wherein the lineside electronic unit determines sent movement authority information and line data information on the basis of the obtained signal state and turnout position information; when a train passes through the position where the active balise is located, the active balise sends the obtained movement authority information and line data information to the onboard device; and when entering an enhanced backup mode, the onboard device in the train control system calculates a speed-distance control curve on the basis of the movement authority information and the line data information obtained from the active balise, so as to perform train operation supervision and protection. According to the prevent invention, when train-ground wireless communication is interrupted and a train control system is degraded to a backup mode, a train is allowed to enter a station at a higher speed.

The invention discloses an industrial cutting machine wireless communication method based on multi-channel redundancy switching, which relates to the technical field of industrial cutting machine wireless communication, and comprises the following steps of: before a control instruction is written into a transceiving buffer area, executing label comparison operation on a target buffer area address according to a composite label in the control instruction; judging whether the address has a source conflict risk or not, and if so, stopping the current writing; and when writing is stopped, executing a buffer area address redistribution operation, and according to a preset interference distance rule, screening an address section with the lowest conflict risk with the composite tag from the current buffer area as a new writing target of the control instruction. According to the method, the problems of overlapping and conflicting of control instruction data caused by the fact that multiple channels share the buffer area are solved, a safe write-in mechanism based on label identification and dynamic mapping is achieved, and data isolation and system stability in the wireless communication process are improved.

A mobile hydraulic system includes a plurality of hydraulic units which are equipped with at least one hydraulic component and an electronic unit. The respective electronic units are configured to record operating data of the at least one hydraulic component of the respective hydraulic units. Each hydraulic unit has a wireless communication device, wherein the wireless communication devices of the respective hydraulic units are connected to each other in a common wireless network, preferably in a mesh network. The wireless communication devices are configured for wireless transmission of the recorded operating data of the hydraulic units in the wireless network.

The disclosure provides a method, performed by a user equipment (UE), of controlling downlink (DL) control channel monitoring, the method including: receiving power saving signal (POSS) configuration information from a base station (BS);performing monitoring on a POSS from the BS, based on the POSS configuration information; determining whether the POSS is detected based on the monitoring; and controlling a DL control channel (PDCCH) monitoring configuration of the UE, based on a result of the determining.

The present application relates to a device and method for surveying a power line-buried path, wherein the device includes a transmitter which selects a balanced / unbalanced voltage to output input and rectified output power as a current pulse in the form of an unmodulated pulse or a frequency-modulated signal when a current pulse signal is transmitted to a conductor (power line) of a public distribution network, and a receiver in which a plurality of magnetic field sensors inductively couple the pulse or the frequency-modulated signal within a near magnetic field distance to obtain a difference value in each direction to obtain a depth.

The invention discloses a remote control crawler-type mower, and relates to the technical field of agriculture and forestry machinery, and the remote control crawler-type mower comprises a machine body, a crawler belt, a front cover plate, an obstacle avoidance protection structure, a modular integrated structure, a height adjustment structure and an operation area expansion structure; the situation that the blade assembly is damaged by low obstacles is avoided, a modular installation mode is adopted, replacement and installation of internal assemblies can be rapidly conducted, the machine adapts to different mechanical devices, the use flexibility of the machine body is expanded, the ground clearance of the working end of the bottom of the mechanical device can be adjusted, and different working requirements are met; meanwhile, the signal tower can be fixed at a remote control signal receiving critical position when needed, and a signal transfer effect is achieved through the signal tower, so that the remote control operation distance and range of the mower are greatly expanded.

The invention discloses a light control method and device and a storage medium, and relates to the technical field of telecommunication, and the method comprises the steps: receiving a wireless control instruction sent by a control terminal based on a preset protocol, and then determining a decoding strategy matched with the preset protocol, the method comprises the steps of receiving a wireless control instruction, decoding a space identifier and a light control parameter in the wireless control instruction through a decoding strategy, then determining a matched control core according to the space identifier, determining region information associated with the control core, and finally sending the light control parameter to the control core, and the control core executes a light control operation corresponding to the area information based on the light control parameter. According to the method, through linkage control of the space identifier and the control core, the accuracy and flexibility of light control are improved.

An RF infrastructure sentry system includes one or more sensors configured to detect that an object has entered an area of concern proximate to an RF radiation source and an RF mitigation system operatively connected to the one or more sensors. The RF mitigation system includes an electrical input operatively connected to a power supply for the RF radiation source; an electrical output operatively connected to the RF radiation source; a relay disposed on an electrical path between the electrical input and the electrical output and configured to selectively connect or disconnect the electrical input and the electrical output through the electrical path; and a processor operatively connected to the relay and configured, at least in response to detection by the one or more sensors that the object has entered the area of concern, to open the relay to temporarily interrupt power to the RF radiation source.

The present invention relates to a method for charging a battery of a battery powered device. The method comprising: at the battery powered device, detecting that a state of charge of the battery of the battery powered device is below a first threshold; wirelessly transmitting), from the battery powered device, to a control engine, a charging-request signal; instructing, by means of the control engine, a luminaire to expose the battery powered device for light; and charging the battery of the battery powered device by harvesting energy from the light emitted from the luminaire. A battery powered device and a control engine are also disclosed.

The invention relates to the technical field of bridge underwater part detection, in particular to bridge underwater part detection equipment which comprises a mounting frame, a sealed waterproof shell is fixedly arranged at the upper end of the mounting frame, a lifting frame is hinged to one side of the lower end of the mounting frame, and floating cylinders are fixedly arranged on the two sides of the lower end of the mounting frame; a propeller is fixedly arranged at the rear part of the mounting frame, a detection mechanism is arranged at the lower end of the lifting frame, a wireless signal transceiver is fixedly arranged at the upper end of the sealed waterproof shell, and remote control is realized through the propeller and the wireless signal transceiver, so that the equipment can be autonomously navigated to a to-be-detected area, and the risk and cost of manual diving operation are reduced; the lifting frame adopts a multi-degree-of-freedom adjusting hydraulic cylinder, a motor I and a motor II, so that the position and angle of the detection mechanism can be flexibly adjusted to adapt to piers or underwater structures with different depths and different gradients, and the detection coverage rate and precision are improved.

The invention discloses a universal remote controller control method, which relates to the technical field of intelligent remote controller control, and comprises the following steps: starting a Bluetooth function through a mobile phone application program, and connecting target remote controller equipment to enter an application program main interface; a user sequentially selects the equipment information of the target equipment through the main interface; requesting a firmware package from a server according to the selected equipment information, and downloading the firmware package matched with the selected equipment; after the user confirms the firmware package, the application program pushes the firmware package to the remote controller through Bluetooth, firmware upgrading is carried out on the remote controller, and feedback information of upgrading success is returned; based on feedback information of successful upgrading, loading a control code library matched with the selected equipment from the server, and pushing a control code to the remote controller; according to the invention, the remote controller is used for verification and the control code library is stored, so that accurate control of different devices is realized, user experience is optimized, and the technical progress of the intelligent household device control mode is obviously promoted.

The utility model relates to the technical field of soil in-situ detection, and discloses a portable soil quality multi-parameter in-situ detection device. The device mainly comprises a controller, a connecting wire, an optical probe and a sensor. The controller is provided with a touch screen, a single-chip microcomputer circuit board, a single-chip microcomputer, an SD card, a key switch, a wireless communication control panel and a power source, and power source management, detection system control, real-time data processing, man-machine interaction, data storage and remote transmission can be achieved. The sensor comprises a soil temperature probe, a soil humidity probe, a soil conductivity probe and a soil pH probe, and can realize real-time data acquisition of soil temperature and humidity, conductivity and pH value; an annular lamp holder, a light source, a photoelectric sensor, a plano-convex lens, a light shielding plate, a light shielding boss and a light shielding ring are arranged in the optical probe, and rapid collection of soil organic matter spectrum information can be achieved. The soil in-situ detection device realizes synchronous acquisition of multiple parameters of soil, is reasonable in structural design and convenient to operate, and is suitable for popularization and application in the field of soil in-situ detection.

A system for providing a customized guest experience to a specific guest during a group experience being provided to one or more guests including the specific guest. The system comprising an interactive gaming system for engaging the guest across two or more locationally distinct guest experiences, at least one of which being the group experience, a guest tracking system for determining a final seating or otherwise distinct location being occupied by the specific guest during the receiving of the group experience, where the guest wears or carries wireless tracking means sensed by the guest tracking system. The system further comprises one or more apparatus for providing the customized guest experience to the specific guest while the specific guest is substantially occupying the specific distinct location of the group location, where the customized guest experience is based at least in part upon the specific distinct location.

The invention discloses a marine pipeline leakage point and oil leakage accurate detection system and method, a focused ultrasonic detection module of the system emits ultrasonic focused sound beams to a pipeline wall, a signal acquisition and analysis module is used for receiving an ultrasonic echo signal and performing feature extraction, a fluid noise elimination and compensation module filters and corrects the signal, and a detection module is used for detecting the leakage point and oil leakage of a marine pipeline. The sensor array attached to the pipe wall can monitor the temperature, pressure and environment change of the marine pipeline in real time, the control and feedback unit automatically adjusts the focus depth and acoustic beam energy according to an analysis result, fine scanning and enhanced detection of a target area are achieved, and finally leakage point space coordinates and leakage rate estimated values are output. The system can stably operate for a long time in a high-noise and high-pressure marine environment, is high in detection sensitivity and strong in anti-interference capability, can achieve millimeter-level leakage point positioning precision, and is suitable for online health monitoring and intelligent safety management of marine oil and gas conveying pipelines, offshore wind power cooling systems and deep sea energy channels.

The invention discloses an intelligent remote control building external window water spraying test device, and relates to the technical field of water spraying test, the intelligent remote control building external window water spraying test device comprises an assembly rack, one side of the assembly rack is provided with a water spraying test assembly, the water spraying test assembly comprises a water distribution box, the middle of one side of the assembly rack is provided with the water distribution box, and the top of the water distribution box is provided with a hole connected with a water supply pipe; spraying pipes are rotationally connected to the two sides of the water distribution boxes correspondingly, a plurality of water spraying heads are installed on one sides of the spraying pipes at equal intervals, a connecting water pipe is connected between the two water distribution boxes, adjusting sliding pipes are installed at the two ends of the assembling frame correspondingly, and adjusting racks are slidably installed in the adjusting sliding pipes. The swinging electric push rod drives the swinging gear and the spraying pipe to rotate, the water spraying direction of the water spraying head is changed, the spraying range is wider, spraying is more uniform, the position of the adjusting rack in the adjusting sliding pipe is changed through the adjusting motor, the electric suction cup can suck building outer window vertical faces with different depths, and the application range is wider.

The invention provides a comprehensive photoelectric platform method and system for unmanned aerial vehicle detection, electronic equipment and a storage medium, and relates to the technical field of unmanned aerial vehicle detection and localization. Synchronously triggering a photoelectric platform to capture a suspicious airspace high-definition video stream and establishing a space-time corresponding database of the two; synchronizing each radio frequency receiving node by taking a high-precision atomic clock as a time reference, and processing multiple paths of signal data to obtain a time-aligned basic signal; basic signal radio frequency features are extracted and associated with equipment identification, a mapping relation between the basic signal radio frequency features and remote controller models is established, and a hardware feature library is constructed; and finally, in combination with the library identification result, the signal time difference and the optical data, correcting a multipath error by using particle filtering, predicting and updating the position of an operator, and realizing comprehensive detection and positioning of the unmanned aerial vehicle after iterative convergence, thereby realizing comprehensive detection and positioning of the unmanned aerial vehicle in combination with radio frequency detection and optical observation.

Systems, devices, and methods for providing switch housing remote controls for ceiling fans. The remote receiver in the ceiling fan housing uses existing capacitors installed in the ceiling fan and shares those capacitors with existing mechanical pull chains for the ceiling fan, which eliminates the need for separate capacitors in the remote receiver. Small remote receiver housings can be located inside switch housings, and can have an RF antenna and / or a WiFi antenna. The remote receiver housings can be attached with modular connectors and pin connectors, or be hard wired inside a switch housing, and can include a reverse switch.

A system and method for managing a battery pack is provided. The system includes a detection unit in communication with the battery pack. The detection unit includes a plurality of sensors configured to detect operational, mechanical and status parameters of the battery pack. A battery management unit (BMU) is configured to determine the operational, mechanical and status parameters of the battery pack based on the received data from the detection unit. A server in communication with the BMU is configured to compare the received data from the BMU with trained operational, mechanical and status parameters and instruct the BMU to perform at least one action in response to a determination of at least one of the received operational, mechanical and status parameters deviating from the trained operational, mechanical and status parameters of the battery pack.

A system and method to provide user marketing recommendations or suggestions based on an interaction between a user and a product, using a radio frequency tag in communication with the product, a radio frequency reader, and a computing device. A motion of the user detected by the radio frequency tag is used to generate a signal containing level of motion, which is utilized by the computing device to determine a level of user interaction and generate marketing information. Marketing information about how to use the product in a recipe is sent to the user interface device.

The invention specifically relates to a remote safety officer allocation system and method for a pilotless automobile, and relates to the technical field of pilotless automobiles, and the system comprises a vehicle state monitoring and data collection module; a communication and network guarantee module; a security officer resource management module; the task scheduling and dynamic coordination module is configured to perform intelligent task allocation based on vehicle requirements and safety officer states to realize optimal resource allocation; and an emergency response and decision support module. According to the invention, the vehicle state monitoring and data acquisition module fuses data of multi-source sensors such as a laser radar and a camera and high-precision positioning information, realizes no-dead-corner environment perception, and improves the integrity of environment information compared with a traditional scheme; after the edge computing node preprocesses the original data, the cloud data transmission quantity is reduced, satellite double-channel communication redundancy is combined, it is ensured that the emergency instruction transmission delay is reduced, and the response speed is increased compared with a single network scheme; and the accident risk caused by data delay or interruption is reduced.

The utility model provides an environment-adaptive wind generating set vibration signal intelligent acquisition device, and belongs to the technical field of wind generating set vibration monitoring. The problems of poor sensor arrangement flexibility and poor signal transmission stability in existing wind power generation recording vibration monitoring are solved. Comprising a vibration sensor, a charge amplifier, a data acquisition module and a microprocessor which are arranged on a cabin cylinder of the wind generating set, the output end of the vibration sensor is connected with the input end of the charge amplifier, the output end of the charge amplifier is connected with the input end of the data acquisition module, and the output end of the data acquisition module is connected with the microprocessor; wherein tracks are fixed on the inner surface and the outer surface of the cabin cylinder, at least one moving trolley is arranged on the tracks, and the vibration sensors are fixed on the moving trolleys; the vibration monitoring device is applied to vibration monitoring of the wind generating set.

A remote controller includes: an acquisition unit; a detection unit; a control value generation unit; and a transmission unit. The control value generation unit generates a retreat control value if at least either one of a first case and a second case applies. The first case includes two or more moving objects overlapping each other in the sensor information. The second case includes establishing an expectation before sensor information acquisition that the two or more moving objects overlap each other when the sensor information is acquired. The retreat control value defines the running motion of at least any of the moving objects establishing a locational relationship allowing a detection subject moving object of the moving objects as a subject of detection using the sensor information to be detected by the detection unit without causing an overlap of the detection subject moving object with a different one of the moving objects.

An information indication method, an information indication apparatus and a communication device are provided. The method includes: obtaining first quality indication information according to first measurement metrics; reporting the first quality indication information; wherein, the first quality indication information includes at least one of following: indication information of carrier phase continuity, indication information of half cycle ambiguity, indication information of an error indication value, indication information of an error resolution, indication information of a carrier signal quality, indication information of a quantity of error sampling points, and indication information of a measurement confidence level.