3729results about "Transmission systems" patented technology

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 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.

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.

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.

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 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 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 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.

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.

The present invention relates to an infusion pump assembly. A wearable infusion pump assembly includes a reusable housing assembly including a mechanical control assembly including a pump assembly, at least one shape memory actuator configured to actuate the pump assembly, and at least one valve assembly. The wearable infusion pump assembly also includes a disposable housing assembly including a reservoir for receiving an infusible fluid. A releasable engagement assembly is configured to releasably engage the reusable housing assembly with the disposable housing assembly. A switch assembly is configured to enable a pairing function of the infusion pump assembly.

A wearable digital video camera (10) is equipped with wireless connection protocol and global navigation and location positioning system technology to provide remote image acquisition control and viewing. The Bluetooth® packet-based open wireless technology standard protocol (400) is preferred for use in providing control signals or streaming data to the digital video camera and for accessing image content stored on or streaming from the digital video camera. The GPS technology (402) is preferred for use in tracking of the location of the digital video camera as it records image information. A rotating mount (300) with a locking member (330) on the camera housing (22) allows adjustment of the pointing angle of the wearable digital video camera when it is attached to a mounting surface.

The invention provides a 2.4 GHz wireless remote control method and device based on hardware code matching, and relates to the technical field of wireless remote control. The present invention is applied to control communication between at least one transmitting end and at least one receiving end. The group identifier and the role information are analyzed by reading the hardware address setter to realize rapid networking; generating a session key and establishing a secure session according to the pre-shared root key in a handshake stage; a sending end collects man-machine input data to form a control frame, and the control frame is sent according to a token rotation or time slice distribution mechanism after encryption and message authentication; and the receiving end drives the controlled object and returns feedback data after completing verification and decryption. The system adaptively adjusts communication parameters according to feedback information and a channel state, so that secure, stable and intelligent control of multi-terminal wireless remote control is realized.

The invention discloses a device for detecting the leakage current of a post insulator in a switch cabinet and an evaluation method thereof, and relates to the technical field of on-line monitoring of power equipment, the device comprises a TMR sensor, a magnetic ring with an air gap, a signal conditioning module and a microprocessor, the TMR sensor is arranged in the air gap, and the magnetic ring detachably sleeves the post insulator in the switch cabinet; the TMR sensor is used for collecting a magnetic signal caused by the leakage current of the post insulator and transmitting the magnetic signal to the signal conditioning module. The signal conditioning module is used for processing the magnetic signal and sending the processed magnetic signal to the microprocessor; and the microprocessor is used for analyzing the processed magnetic signals and determining multi-dimensional parameters of the leakage current. In the method, the operation state of the post insulator is evaluated by using the multi-dimensional parameters of the leakage current, so that the sensing capability of a weak magnetic field can be greatly improved, and the operation state of the post insulator can be accurately evaluated.

An antenna arrangement for a watercraft is disclosed. In an embodiment, the antenna arrangement comprises a first antenna configured to wirelessly communicate with a wireless user device, the first antenna for securement to a top-side of a watercraft; a second antenna configured to wirelessly communicate with a wireless control unit, the second antenna for securement to an underside of the watercraft to place the second antenna in juxtaposed relationship with a third antenna of a wireless control unit; and a radio frequency (RF) transmission line conductively coupling the first antenna and the second antenna.

An apparatus may control the power delivered from an AC power source to an electrical load, and may comprise a controllably conductive device. The apparatus may also comprise a controller that may be operatively coupled to a control input of the controllably conductive device. The apparatus may also include a first wireless communication circuit operable to communicate via a first protocol and to join a first wireless communication network operable to communicate via the first protocol. The first wireless communication circuit may be in communication with the controller. The controller may be operative to determine a first condition for communicating via the first protocol. The controller may also be operable to control the first wireless communication circuit to join the first wireless communication network upon the first condition being satisfied.

Systems and methods for location-based device control are provided. Example systems and methods include determining a location estimate for a computing device and identifying a controllable device based on the location estimate. Some examples also include determining a relative location of the controllable device with respect to the computing device and triggering display, on the computing device, of a user interface for interacting with the controllable device based on the relative location. Another example system and method includes identifying a controllable device within a physical space based on an aiming direction in which a computing device is aimed, determining an angular offset of the controllable device with respect to the aiming direction of the computing device, and triggering display, on the computing device, of a user interface that indicates the determined angular offset.

The utility model provides a remote controller. The remote controller comprises a shell, a control panel, a touch control assembly and a supporting column. The control panel is arranged in the containing cavity of the shell, and the first key column and the second key column are arranged on the side, facing the control panel, of the touch panel. The touch panel can be pressed in different positions of the front face so as to drive the first key column or the second key column to press towards the control panel and drive the first key column or the second key column to press on the corresponding first key contact or the second key contact, and therefore the remote controller has the function of a mechanical key. And the key function and the touch panel are arranged together, so that a user can conveniently operate the keys and the touch panel at the same position, and the use convenience is improved. The supporting column is constructed to enable the second key contact not to be triggered when the first key contact is triggered, and the first key column on the touch panel does not trigger the first key contact when the second key contact is triggered, so that mistaken touch of the first key contact and the second key contact can be effectively avoided.

The invention discloses an intelligent crane control method and system based on digitization, and belongs to the technical field of intelligent crane control, and the method comprises the steps: employing an AS5600 magnetic encoder to accurately recognize the angle change of an operation handle, improving the data transmission rate and the anti-interference capability through a CAN bus communication protocol, and combining a non-contact magnetic induction technology to reduce the energy consumption. Troubleshooting and maintenance are simplified through modular design, and the standby power consumption of the system is reduced through combination of a non-contact magnetic induction technology and a low-power-consumption circuit design; the control system is divided into independent functional units through the modular design, and the cable consumption is reduced through standardized interfaces; the CAN bus replaces a multi-core cable and is integrated with a photoelectric isolation and self-checking mechanism, so that the wiring complexity is reduced; the modular design supports rapid fault positioning and plug-and-play maintenance, and the labor cost is reduced; and through module unique ID tracing and a triple detection mechanism, the product quality consistency is ensured, a closed-loop optimization production process is formed, and the comprehensive operation cost is further reduced.

The invention discloses a public building intelligent control system based on a LoRa communication technology, and relates to the technical field of intelligent control, the public building intelligent control system comprises a LoRa transmission data sensing module, a system performance evaluation and optimization module, a public building intelligent control module and an execution module, the LoRa transmission data sensing module is used for collecting LoRa transmission data, and the system performance evaluation and optimization module is used for evaluating and optimizing the LoRa transmission data; the system performance evaluation and optimization module is used for designing a LoRa communication intelligent control system and evaluating and optimizing the system performance, the public building intelligent control module is used for intelligently controlling the energy management, safety monitoring, environment monitoring and intelligent parking process of a public building, and the execution module is used for executing the LoRa communication intelligent control system. The system is used for realizing the final intelligent control of the public building, optimizing the problems of system transmission delay, operation stability, network interference and the like, achieving the intelligent control of energy consumption, safety state, indoor environment quality and parking resource scheduling, and promoting the development of the system in the green, energy-saving, efficient, safe, comfortable and convenient directions.

A mobile solar power unit control system providing power to an associated equipment item comprising: at least one mobile solar power unit comprising an assembly of inter-connected solar collector panels; an energy storage module connected to receive power from the assembly of inter-connected solar panels; and a control system for controlling operation of both the energy storage module and associated equipment item. The control system comprises a local controller onboard or proximate the at least one mobile solar power unit and a remote controller, communicable with the local controller, located remotely from said at least one mobile solar power unit. The mobile solar power unit conveniently provides power for an associated equipment item and any selected auxiliary loads located in an off-grid location.