11 results about "Shore station" patented technology

The invention relates to the technical field of bridge pier scour monitoring, discloses an air-water-shore cooperative overwater float type bridge pier scour monitoring system, and belongs to the technical field of bridge safety monitoring. According to the system, an integrated framework is formed by a buoy platform, a shore-based cooperative monitoring station and a cloud monitoring platform. The buoy platform is fixed to a pier through a mooring lead, the underwater sonar module of the buoy platform can scan the terrain of a riverbed at multiple angles, and the overwater module integrates high-precision positioning and video monitoring. The shore-based station is provided with a laser scanner and a high-definition camera to monitor the overwater structure and the macroscopic environment of the pier. The cloud platform serves as a control center, converges the multi-source data of the buoys and the shore stations through a communication network, carries out time sequence correlation and fusion analysis, and dynamically evaluates the scour pit development and the bridge pier structure state. According to the invention, the limitation of a single monitoring mode is broken through, collaborative acquisition and intelligent fusion of air, water and shore data are realized, the comprehensiveness, accuracy and early warning capability of monitoring are remarkably improved, and reliable guarantee is provided for safe operation of bridges.

1. The name of the design product: personal life-saving marker. 2. The use of the design product: the design product is used to automatically broadcast the accurate position, state and safety information of the person in distress in the case of falling into the water, so as to be received and positioned by the nearby sailing ships, search and rescue helicopters or AIS shore stations, etc., and play the role of emergency alarm or emergency help. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view 1.

The application belongs to the technical field of marine environment monitoring and early warning, and specifically relates to a multi-channel internal wave flow early warning system and an early warning measurement method, which comprises the following steps: a buoy body is fixedly arranged through a fixed anchor, and a marine profile comprehensive detection module synchronously collects multi-dimensional profile data such as flow velocity, temperature and salinity. A main control unit is embedded with a mixed driving early warning model, a phase velocity of an internal wave is solved based on a physical model, a nonlinear correction is performed through a machine learning residual correction module, a high-precision internal wave phase velocity is obtained, and then early warning time, shear flow and displacement amplitude are calculated and an alarm level is determined. Alarm information is redundantly sent to a shore station receiving system through a ground mobile communication link and a satellite communication link of a multi-channel communication module, and the shore station receiving system regularly updates the machine learning model by taking measured data as incremental samples. The application realizes high-precision and low-delay early warning of internal wave flow, has high communication reliability, and is suitable for marine engineering, underwater vehicles and safety guarantee of offshore operations.

The invention discloses a nonlinear dynamic scheduling communication method for a maritime distress and safety system, and the method comprises the following steps: S1, maintaining the state of a shore-based station of a whole network, and constructing and updating an interference graph based on a physical propagation model; s2, a dynamic scheduler based on a heuristic algorithm calculates nonlinear dynamic priorities for communication requests of various message types; and S3, allocating resources in real time according to the calculated nonlinear dynamic priority, converting a resource allocation problem into solving a maximum weighted independent set, and generating a TDMA time slot allocation scheme of each frame based on an approximate MWIS algorithm. According to the method, the core problems of low spectrum resource utilization efficiency, high service response delay, difficulty in considering high-reliability safe communication and dynamic service load adaptability and the like caused by the adoption of a static time division multiple access scheduling mechanism in an existing maritime communication system can be solved.

The invention provides a long-distance and near-distance communication method and system for a UUV (Unmanned Underwater Vehicle), and the method comprises the steps: obtaining the position information through a satellite position indicating device when the UUV floats up to the water surface through integrating a Beidou third-generation satellite communication mode and a Bluetooth communication mode, and remotely transmitting the position information to a shore station through a Beidou satellite; a shore station can issue a control instruction through a satellite, and the satellite position indicating device forwards the control instruction to the UUV navigation control center through an RS422 interface, so that remote state monitoring and navigation control are realized. In a close range, the shore station directly communicates with the satellite position indicating device through Bluetooth to complete parameter configuration, instruction issuing and state reading. The problem that traditional underwater acoustic communication is limited by distance is solved, full-time-domain and full-space-domain controllable communication of the UUV is achieved, the reliability, safety and operation and maintenance convenience of UUV operation are improved, and the method is suitable for the fields of ocean exploration, resource investigation, military application and the like.

The invention relates to the technical field of ship-shore control systems, and discloses a self-adaptive ship-shore cooperative control system based on health index feedback. The invention aims to solve the problems of poor communication reliability and insufficient multi-link coordination of a traditional system. The system comprises a data sensing module, a state evaluation module, a control module and an optimization module. The data sensing module collects and preprocesses multi-source data through a five-core socket box, a wireless socket box and the like. The state evaluation module calculates a dimensionless health degree index based on the data, and quantifies the robustness and risk of the system; the control module switches between a safety priority mode and an efficiency priority mode through hysteresis logic according to the health degree index value and the change trend, and dynamically coordinates the multi-link priority; and the optimization module issues an instruction to an execution mechanism, monitors a response, compares a health degree index value evaluation effect and triggers parameter adaptive optimization, multi-link deep collaboration is realized, the ship-shore connection safety and efficiency are improved, and the method is suitable for loading and unloading operation of a liquid cargo ship and a shore station.

The invention provides a liquid cargo lightering system for a medium-pressure storage and transportation liquid carbon dioxide ship and a transferring method. The liquid cargo lightering system comprises a medium-pressure storage tank, a conveying pump, an external conveying system, a self-evaporation pressure maintaining system, an injection system, a volatile gas conveying and processing system, a liquid phase collecting pipe, a gas phase collecting pipe, a gas collecting pipe, a liquid cabin inlet pipe and a liquid cabin outlet pipe. Wherein the output system is used for conveying liquid carbon dioxide to storage shore stations with different storage pressures; the self-evaporation pressure maintaining system is used for controlling the pressure in the medium-pressure storage tank; the injection system is used for injecting liquid carbon dioxide of different storage pressure shore stations into the medium-pressure storage tank; the volatile gas conveying and processing system is used for conveying and processing volatile gas and controlling the pressure in the medium-pressure storage tank in the process of outwards conveying or injecting the carbon dioxide. The medium-pressure liquid carbon dioxide storage and transportation ship can be effectively compatible with high / low-pressure storage shore stations, and the compatibility and operation flexibility of the ship are effectively improved.

The present application relates to the technical field of ocean engineering, and discloses a construction method and a construction system of a submarine data center, the submarine data center comprising a data center shore station, a main submarine cable, a submarine substation, a sub-submarine cable and a submarine data cabin, and comprising the following steps: constructing the data center shore station; transporting the submarine substation to an installation site, connecting the data center shore station and the submarine substation through the main submarine cable; laying the main submarine cable below the sea surface, and hoisting and lowering the submarine substation to a first preset position; transporting the submarine data cabin to the installation site, connecting the submarine substation and the submarine data cabin through the sub-submarine cable; laying the sub-submarine cable below the sea surface, and hoisting and lowering the submarine data cabin to a second preset position. Through the above steps, the looping, twisting and excessive bending of the submarine cable during hoisting are effectively avoided, the optical and electrical transmission performance is ensured, the waiting time of the ship is reduced, and the utilization rate of the window period is improved.

The present application belongs to the field of robot technology, and relates to an underwater lightweight butterfly-shaped bionic operation robot and a working method thereof. The underwater lightweight butterfly-shaped bionic operation robot comprises a butterfly-shaped full-attitude motion body, a simulated elephant trunk mechanical arm installed below the butterfly-shaped full-attitude motion body, and a self-adaptive negative pressure adsorption system arranged at the bottom end of the simulated elephant trunk mechanical arm. An operation orientation conversion assembly is arranged between the butterfly-shaped full-attitude motion body and the simulated elephant trunk mechanical arm, so as to realize rotation between the self-adaptive negative pressure adsorption system and the simulated elephant trunk mechanical arm relative to the butterfly-shaped full-attitude motion body. A shore station console is arranged on the shore or a mother ship, and the shore station console is electrically connected with the butterfly-shaped full-attitude motion body. The overall water resistance is smaller, and the motion performance is stronger. Six groups of propeller structures realize omnidirectional and full-attitude flexible motion of the robot body. Two-side double-wing nozzle pipelines make vertical and horizontal motions nearly zero-coupled, and the motion is more flexible. The simulated elephant trunk mechanical arm makes the self-adaptive negative pressure adsorption system have more degrees of freedom, and the application range and adsorption force are stronger.

This invention discloses a shore-to-ship communication early warning system based on multimodal communication technology, comprising: a speech recognition and command generation module for receiving voice content from shore stations and VHF radio stations; a communication strategy learning module for strategy learning using Q-learning; a multimodal graph construction module for extracting verification command text; a spatiotemporal graph neural network processing module for generating spatiotemporal embedding features; an improved TranAD prediction module for inputting the spatiotemporal embedding features into an improved TranAD model; a cooperative adversarial training module for constructing temporal and spatial branches; a cross-feedback constraint module for generator backpropagation; an anomaly scoring and early warning output module for generating anomaly scores; and a model update and deployment module for updating and deploying the improved TranAD model. This invention can achieve communication assurance and safety early warning in maritime scenarios.

This invention provides a control system and method for a modular centralized DC power consumption system. The system includes: a module voltage control module for receiving command and measured values ​​of the average voltage of the modules in the modular centralized DC power consumption system, and outputting a first number of modules; a DC voltage control module for receiving command and measured values ​​of the voltage between the positive and negative terminals of the DC power in the modular centralized DC power consumption system, and outputting a second number of modules; a summation module for summing the first and second number of modules to obtain the total number of modules to be activated; and a sorting and equalizing module for sorting the voltage of all modules and, based on the total number of modules to be activated, determining the modules that need to be activated. This invention can effectively control the DC voltage of the modular centralized DC power consumption system to prevent severe overvoltage problems during AC faults at the shore station, and can also effectively control the average voltage of the modular centralized DC power consumption system.