54 results about "Ocean winds" patented technology

The invention provides an ocean wind field prediction method based on a neural network, and belongs to the technical field of ocean wind field prediction.The method comprises the steps that sparse ocean observation data are collected, a spatial covariance matrix is established, the spatial covariance matrix is converted into a graph structure, and then multi-hop neighborhood feature aggregation is conducted through a graph convolutional network; a tensor decomposition algorithm is combined for modeling high-order feature interaction to generate a gridding wind field, a bidirectional long-short-term memory network encoder is used for extracting space-time invariant features, a multi-layer perceptron predictor is used for directly mapping a future multi-step wind field, and a course learning strategy and a Shenchang differential equation boundary layer are matched for correction. The technical problem that sparse ocean observation data are difficult to accurately reconstruct into a high-resolution gridding wind field is solved.

The invention discloses an ocean wind power underwater noise monitoring method and system, and belongs to the technical field of ocean environment monitoring, artificial intelligence and autonomous systems.The ocean wind power underwater noise monitoring method comprises the steps that a digital twinborn model fusing multi-mode perception is constructed; deducing future states of the system and the environment based on a digital twinborn model to generate a predictive state sequence; solving and generating a cooperative control strategy according to a joint optimization target of data quality and energy consumption; and analyzing the cooperative control strategy to synchronously regulate and control the physical system. According to the method, a digital twinborn driven cognitive decision and autonomous control architecture is adopted, a high-fidelity digital twinborn body is constructed to carry out prospective and uncertainty deduction on a physical system and a marine environment, and a closed-loop decision is carried out by taking risk-income optimization as a principle; the monitoring system can have long-term, autonomous and online self-improvement and risk avoidance capabilities, and the reliability of monitoring data in a complex marine environment and the full-life-cycle autonomous operation level of the system are remarkably improved.

The invention relates to the technical field of data prediction optimization, in particular to an ocean wind power plant planning system and method based on wind speed prediction, and the system comprises a wind energy flow monitoring module, a wind speed abrupt change prediction module, a fan wake flow influence analysis module, a fan group intelligent arrangement module and a wind power output optimization module. According to the method, the judgment precision of the wind energy distribution trend is improved by screening the abrupt change points; the wind speed change rate and the turbulence intensity change rate are combined with data of the wind speed monitoring buoy and the turbulence sensor, so that the wind speed sudden change prediction capability can be enhanced; the wind speed loss ratio, the angle difference and the wind energy diffusion model are used for wake flow area identification, fan layout is dynamically adjusted, and wake flow loss is reduced; the fan configuration can be optimized by combining the fan basic arrangement diagram, the wind energy capture rate, the arrangement distance and the steering angle; optimal parameters can be screened by combining power output interval calculation with blade attack angle adjustment data, torque load and fan rated power, fan power dynamic adjustment is achieved, and equipment operation stability is improved.

The invention discloses an annular floating type fan system with a dense tensioning type structure, and belongs to the technical field of ocean wind power generation. The system adopts at least one buoyancy ring to provide main buoyancy, so that tensioning type mooring cables which are densely arranged have enough tension and are favorable for resisting ocean storm waves, and a central stand column is vertically arranged in the buoyancy ring structure in a penetrating manner; the two ends of the central stand column are annularly and regularly connected with at least one buoyancy ring through a plurality of dense prestress connecting bodies, so that a spindle shape is integrally formed, a wind power mechanism is arranged at the upper end of the central stand column in the axial direction of the central stand column, and the lower portion of at least one buoyancy ring structure is connected with an annular gravity anchor through a plurality of dense mooring cables. The central stand column and the buoyancy ring are connected by additionally arranging the prestress connecting body, vertical rigidity is provided for the formed floating mechanism, and therefore the steel consumption can be reduced on the whole, the purpose of a lightweight structure is achieved, and then the manufacturing cost of the structure is reduced.

The invention relates to the technical field of power generation buoys, in particular to a high-reliability ocean wind energy and wave energy combined power generation buoy and method.The high-reliability ocean wind energy and wave energy combined power generation buoy comprises a floating type draught fan platform and an oscillating water column and wave energy conversion device, a power generation draught fan is arranged on the floating type draught fan platform, and the oscillating water column and wave energy conversion device is arranged in the floating type draught fan platform; the oscillating water column wave energy conversion device comprises a buoy, an air turbine, a pressure reducing valve and a generator, the buoy is a hollow cylinder with a top plate, the air turbine and the pressure reducing valve are installed on the top plate of the buoy, and the generator is arranged in the air turbine. The high-reliability ocean wind energy and wave energy combined power generation buoy is high in reliability and high in survivability in severe weather.

The utility model discloses an offshore wind power multifunctional observation buoy which comprises a truss, an observation platform arranged at the top of the truss and a ballast block arranged at the bottom of the truss, the ballast block is used for lowering the gravity center of the buoy, and the truss is used for providing buoyancy. And the ballast block is fixed on a seabed through a mooring cable. The buoy is long and thin in overall structure, and compared with a traditional buoy, the height difference between the gravity center and the buoyancy center of the buoy is greatly increased, so that the stability of the structure can be greatly improved, a platform can be provided for various ocean observation devices, and high-quality observation of ocean wind resources and ocean hydrology is achieved; the buoy is composed of the slender trusses and the ballast blocks, namely, the whole structure of the buoy extends to the deep position of water, and the wave load borne by the structure can be greatly reduced.

The present invention discloses a method and device for simulating a steady-state floating offshore wind farm, as well as electronic equipment. The method comprises the following steps: establishing a wind farm wake model; establishing a wind turbine aerodynamic load model; establishing a wind farm index calculation model; establishing a quasi-static mooring system model; establishing a one-way coupling model between the wind turbine aerodynamic load model and the quasi-static mooring system model; and establishing a one-way coupling model between the quasi-static mooring system model and the wind farm index calculation model, thereby ultimately achieving steady-state simulation of the floating offshore wind farm. The method can effectively simulate the complex interactions between the wind turbine and the mooring system structure, and between the structure and the ocean wind environment, while maintaining a fast simulation speed. This method effectively overcomes the insufficiency of existing simulation methods in meeting the simulation time requirements for floating offshore wind farm control optimization, thereby effectively reducing the time and economic costs of floating offshore wind farm simulation and ensuring the feasibility and reliability of floating offshore wind farm control optimization.

A method for testing an airflow field in a take-off and landing related area of a shipboard aircraft is characterized in that two Doppler coherent laser wind measurement radars are respectively carried on decks on two sides of a ship tail to measure ship wake flow and wind field information of a take-off and landing area, and the method comprises the following steps: S1, measurement of a glide path: at least one radar continuously scans a glide path area of the ship tail, and radial wind speed detection of the glide path is carried out; s2, measurement of deck wind: rotating the Doppler coherent laser wind measurement radar to a specified angle to scan an interested deck area, and adopting a PPI scanning mode; one Doppler coherent laser wind measurement radar adopts a PPI scanning mode to scan a 360-degree range to obtain the wind field condition of the height of the deck around the whole ship, and the other Doppler coherent laser wind measurement radar adopts a DBS-5 scanning mode to obtain the wind field information of the zenith angle above the deck to reconstruct a three-dimensional wind field model around the ship. According to the invention, high-precision and real-time three-dimensional measurement is carried out on the ocean wind field and wake flow around the ship, and a shipboard aircraft can be guided to take off and land in a real sense.

The application discloses a high-gain antenna for offshore networking communication, comprising a radiation unit group, a reflecting unit and a metal support; the radiation unit group comprises two radiation units, each radiation unit comprises two special-shaped non-closed metal rings, and the two free ends of the special-shaped non-closed metal rings are connected to each other through a first metal connecting column; the two radiation units are arranged side by side, so that the four first metal connecting columns are arranged in the same plane and in parallel, and the centers of the four first metal connecting columns are connected through two second metal connecting columns; the radiation unit group and the reflecting unit are connected through the metal support. The high-gain antenna for offshore networking communication disclosed by the application realizes a single-feed port feeding structure, supports high-power output, has high-gain characteristics, and realizes low wind resistance and high stability of the whole antenna through a full-metal three-dimensional linear array structure, and is not afraid of ocean wind and waves.

The invention discloses a comprehensive evaluation method and system for offshore sea conditions, and relates to the technical field of marine hydrology and marine wind energy resource utilization. The method comprises the steps of obtaining an initial data set of a wind field, a shoreline, water depth and a tide level of a sea area to be researched, and generating a prediction data set through a hydrodynamic force and wave bidirectional coupling numerical model; a hierarchical hyper-parameter optimization strategy is adopted to carry out iterative adjustment on model parameters, and the relative error is controlled within 5% in combination with measured data; and fusing a typhoon field and a background wind field to generate extreme working condition data, carrying out comprehensive analysis on characteristic parameters of tides, waves, tidal currents and storm surge on prediction data output by the model, and generating a sea condition comprehensive evaluation report. According to the method, the model parameter calibration efficiency and simulation precision are improved, the survey cost of offshore sea condition evaluation is reduced, and the method can be widely applied to site selection and feasibility analysis of offshore engineering such as offshore wind power and port construction.

The invention provides 460MPa-grade wind power steel with high toughness, low temperature resistance and excellent crack arrest performance and a production method of the 460MPa-grade wind power steel. The steel comprises the following alloy components in percentage by mass: 0.08-0.12% of C; 0.20% to 0.25% of Si; mn: 1.50 to 1.70%; 0.25 to 0.35 percent of Cr; 0.05 to 0.06 percent of Nb, V and Ti; 0.15 to 0.35 percent of Ni; the content of Als is 0.02 to 0.045 percent; 0.01 to 0.02 percent of Cu; 0.003% to 0.005% of Mo; and the balance of Fe and inevitable impurities. Compared with the prior art, the steel plate for wind power, which is low in cost, high in toughness, high in crack arrest performance and excellent in welding performance, is successfully prepared through component design of low carbon equivalent and low crack sensitivity coefficient assisted by a TMCP (Thermal Mechanical Control Processing) process, and meets the development requirements of deserts, gobi, deserts and other inland areas with severe environments and large-scale deep sea ocean wind turbine generators; and industrial batch production with stable performance can be realized.

The utility model discloses a building ventilation and air purification device driven by ocean wind energy, which comprises a wind energy collecting mechanism, a wind energy collecting mechanism, a wind energy collecting mechanism, a wind energy collecting mechanism and a wind energy collecting mechanism, wherein the wind energy collecting mechanism is used for capturing and converting ocean wind energy into electric energy; the electric energy storage mechanism is used for storing the electric energy generated by the wind energy collection mechanism; the ventilation mechanism introduces outdoor air into the building through a pipeline network, and the electric energy storage mechanism provides an output power source for the ventilation mechanism; the air purification mechanism is connected with the ventilation mechanism and can purify and filter air introduced by the ventilation mechanism; according to the electrostatic air purifier, sustainable power supply is conducted on the ventilation mechanism and the air purification mechanism through the electric energy storage mechanism, so that use of conventional energy consumption is reduced, in addition, the rotating speed of the draught fan and the working state of the electrostatic air purifier can be automatically adjusted through the controller, and intelligent and energy-saving operation management is achieved.

A dynamic and static combined test method for an airflow field in a take-off and landing related area of a shipboard aircraft comprises a dynamic test and a static test, and the dynamic test comprises the following steps: S1, arranging a Doppler coherent laser wind finding radar as a first radar on a deck in an area on one side of a ship bow, and scanning by adopting a multi-elevation PPI scanning mode; s2, a second radar is arranged on the second layer of a ship bridge in the middle of the ship, and a downward multi-pitch-angle PPI scanning mode is adopted; the static test comprises the steps that S3, a Doppler coherent laser wind finding radar is arranged on a center deck of a ship bow runway area, and an elevation PPI scanning mode is adopted for scanning; and S4, placing a plurality of vertical radars on a ship stern, and vertically and upwards scanning. According to the invention, high-precision and real-time three-dimensional measurement is carried out on the ocean wind field and wake flow around the ship, and a shipboard aircraft can be guided to take off and land in a real sense. According to the invention, a dynamic test and static test combined mode is designed especially for the situation that a radar cannot be installed on a deck of a landing area.

The utility model relates to the technical field of ocean wind power piles, in particular to an ocean wind power pile simple structure convenient to install, which comprises a supporting table and a plurality of base columns, a center hole is arranged on the supporting table, a first corner hole is arranged on the corner portion of the front side of the supporting table, and a second corner hole is arranged on the hole wall of the rear side of the center hole. An upper limiting inserting hole is formed in the top face of a rear side plate body of the supporting table, a wind power pile column is inserted into the center hole in a matched mode, an inserting hole is formed in a bottom column body of the wind power pile column, a horizontal limiting plate is inserted into the first corner hole, the second corner hole and the inserting hole in a matched mode, and an end limiting plate is fixedly installed at the front end of the horizontal limiting plate. A rectangular hole is formed in a rear side plate body of the horizontal limiting plate, an inserting block is inserted into the rectangular hole and the upper limiting inserting hole in a matched mode, a thick stud is fixedly installed at the bottom end of the inserting block, and a fastening nut is connected to the thick stud in a threaded mode. According to the utility model, assembling and fixing operations are facilitated, the construction difficulty is low, and the installation efficiency is improved.

The invention discloses a scouring protection umbrella-shaped combination device for a gravity type foundation of an ocean wind turbine and a construction method of the scouring protection umbrella-shaped combination device. The scouring protection umbrella-shaped combined device comprises a flexible protection piece, a supporting keel, a balance weight anchor chain and a device reinforcement ring. Different from traditional passive scour bearing schemes such as ripraps and caissons, by means of the unique horn-shaped structural design, near-bed water flow paths around the bridge pier are actively changed and guided, the core of a horseshoe-shaped vortex can be effectively lifted away from the surface of a seabed, the horseshoe-shaped vortex is suspended, and therefore the downward scour capacity and the sediment suction and entrapment capacity of the horseshoe-shaped vortex are greatly weakened, and the service life of the horseshoe-shaped vortex is prolonged. The local scouring depth is fundamentally reduced, and the service life of the fan foundation is prolonged; formation conditions and stable structures of horseshoe-shaped vortexes and downflow are destroyed from the physical source, the effect that prevention is better than treatment is achieved, the counterweight anchor chain is arranged, formation of the vortexes is further disturbed, and the protection efficiency is higher.

The invention discloses an observation data correction method under an offshore wind wave and ocean current coupling condition, and the method comprises the steps: collecting original observation data in a coupling scene through an ocean wind wave current assimilation correction platform, screening target data meeting the coupling condition, and carrying out the initial correction through a wave current vortex energy covariance correction model, and inputting the preliminary correction data into a wind wave and flow combined cost function optimization algorithm to analyze an error source. And adjusting model key parameters and algorithm calculation coefficients according to an error result, performing secondary correction on the data, and finally feeding back the secondary correction data to a platform for comparison verification with historical data. The platform comprises a data acquisition and transmission unit, a model operation unit, an algorithm processing unit, a parameter adjustment unit, a thermal management monitoring unit and a result verification and storage unit, can correlate a wind wave and ocean current energy relationship, integrates thermal management parameters, solves the problem of insufficient correction precision in the prior art, and improves the accuracy of observation data under a coupling condition.

The invention relates to the technical field of energy collection, in particular to a green energy conversion and collection device. The device body comprises a plurality of power generation modules arranged in a matrix. The power generation module comprises a frame, a middle shaft, an impeller, a turbine and a guide plate, the impeller is provided with three to six blades which are uniformly arranged, the two ends of the middle shaft are rotationally arranged on the frame through bearings, and the guide plate is tangentially arranged. The impellers collect transverse energy, the turbines collect longitudinal energy, and the impellers and the turbines work cooperatively; and the energy collection range is expanded by the guide plate. The device can integrally collect ocean wind energy, wave energy, flow energy, river flow energy and urban and rural building wind energy, three kinds of energy are utilized in one, damming-free power generation is achieved in rivers, and energy is supplied to buildings in cities and villages. Energy capture is optimized through a unique structure, cost is reduced through unitized design, large-scale expansion is facilitated, compared with traditional equipment, multiple energy sources can be efficiently collected, resource waste and cost expenditure are reduced, and an innovative scheme is provided for green energy development.

This invention provides a full-physics field simulation test device and method for shipborne aircraft fuel fires based on wind-wave coupling effects, relating to fire safety. The device includes: a shipborne aircraft simulation component comprising an aircraft support, fuel tank, attitude adjustment mechanism, and at least one ammunition simulator; a ship simulation component comprising a fuel pan and a swing mechanism connected to the fuel pan; a sea breeze environment simulation component comprising a water mist spraying mechanism and a fan; and a data acquisition system for collecting data on the wind field, flame, and surface temperature and radiant heat flux of the ammunition simulator under wind-wave coupling conditions, thereby quantifying the degree of thermal stimulation of the ammunition under different operating conditions. The beneficial effects of this invention are: it enables the simulation of dynamic ammunition thermal exposure of shipborne aircraft under ocean wind-wave coupling conditions, filling the research gap in existing technologies that can only simulate static ammunition thermal exposure, and enabling a systematic study of the impact of ammunition attitude changes on the uniformity of thermal exposure.

The invention discloses a dual-channel transparent soil test device and method for ocean wind turbine engineering under multi-field coupling load, and the test device comprises a test platform, a vacuum system, a wave flow generation system, a wind generation system, a laser, a CCD camera and a control system. Wherein the vacuum system, the wave flow generation system, the wind generation system, the laser and the CCD camera are all integrated on the test platform, the wave flow generation system can generate wave flow impact on a transparent soil test sample in the double-channel test box, and the test method comprises the following steps: step 1, preparing the transparent soil test sample in a test groove; 2, transparent soil pore liquid is injected to reach the set height; 3, starting a test; step 4, realizing simulation of different loads according to the research object; and step 5, obtaining a rule of foundation-soil interaction under the wind-wave-flow coupling effect. The method has the beneficial effects that efficient and reliable test technical support is provided for anti-scouring measure optimization and engineering design method verification.

A computing apparatus that is integrated within a flotation module, the system obtaining the energy required to power its computing operations from waves that travel across the surface of a body of water on which the flotation module sets. Additionally, the self-powered computing apparatus employs novel designs to utilize its close proximity to the body of water and / or to strong ocean winds to significantly lower the cost and complexity of cooling their computing circuits.

The invention discloses an anticorrosive coating for the outer wall of a tower drum of an ocean wind turbine generator and a coating method, and relates to the technical field of coating of tower drums of wind turbines. (1) tower drum inspection: inspecting whether the outer surface of the tower drum is damaged or not; (2) surface treatment is conducted, specifically, the outer surface of the tower drum is cleaned, and the surface roughness is increased; (3) coating construction is conducted, specifically, paint spraying treatment is conducted on the outer surface of the tower drum; (4) curing and curing: enabling the coating to complete chemical reaction to achieve design performance; and (5) product detection: detecting the paint surface on the outer surface of the tower drum. Surface treatment is determined as an independent key step, the adhesive force of a coating is ensured from the source, and a long-acting protection foundation is laid; the chemical performance of the coating is ensured to be fully formed through a scientifically controlled curing and curing stage, so that the design performance is realized; and finally, an objective quality closed loop is constructed by quantitative detection indexes such as film thickness and adhesive force, and the construction process is converted into a verifiable and replicable industrial system, so that the project reliability is improved, and the full-life-cycle maintenance cost and risk are remarkably reduced.

The invention belongs to the technical field of energy storage batteries, and particularly relates to a battery flow heat management system and method for a marine environment all-weather energy storage platform. The thermal management system comprises a plurality of energy storage prefabricated cabins, and a plurality of energy storage battery modules are distributed in each energy storage prefabricated cabin; the liquid flow cold plates are used for exchanging heat with the energy storage battery modules, and the liquid flow cold plates are arranged below the energy storage battery modules in a one-to-one correspondence mode; the inverter cabin is used for carrying out direct current-alternating current conversion in the inverter cabin and converting the electric energy output by the energy storage battery module into alternating current for external power supply; the heat exchanger is positioned in the seawater and is used for exchanging heat with the seawater; the submersible pump is located in the seawater and used for pumping the liquid flow medium in the heat exchanger; and the battery liquid flow pipe network loop enables the liquid flow medium to circulate in a loop consisting of the liquid flow cold plate, the heat exchanger and the submersible pump. A seawater liquid flow heat exchange structure is provided for an ocean wind and light power generation energy storage battery system, and scale prevention of seawater desalination heat exchange equipment can be achieved.

The invention discloses a high-stability self-cleaning buoy based on ocean engineering, and belongs to the technical field of ocean wind power generation. Comprising a tripod body, a mounting platform is mounted at the upper end of the tripod body, a wind driven generator body is fixedly connected to the center of the tripod body, buoyancy cylinders are arranged at sharp corners of the outer side of the tripod body, connecting columns are fixed to the upper ends and the lower ends of the buoyancy cylinders, and the outer sides of the two connecting columns are connected with the tripod body; a mounting pipe is fixedly arranged on the lower connecting column in a penetrating manner; through linkage cooperation of the sliding assembly, the screw rod and the adjusting assembly, the buoyancy cylinder and the tripod body are adjusted in a self-adaptive mode to keep a relative balance temperature state under large wind wave changes in different directions and different magnitudes. And meanwhile, through linkage matching between the thread sleeve and the screw rod, the cleaning rod is attached to the outer side of the buoyancy cylinder to rotate, and then the adherent objects or marine organisms on the outer side of the buoyancy cylinder are cleaned.

The invention provides an ocean wind power single pile turnover lifting appliance which comprises a main lifting hook module located on one side of an ocean wind power single pile, an auxiliary lifting hook module is arranged on the other side of the ocean wind power single pile, the main lifting hook module comprises a lifting rod, lifting plates with penetrating holes are fixedly arranged on the two sides of the bottom end of the lifting rod, and balance beams are arranged below the lifting plates. Multiple hanging rings are fixedly arranged at the top end of the balance beam. Compared with the prior art, the device has the following beneficial effects that in the process that the whole ocean wind power single pile is adjusted to be in the vertical state from the horizontal state, the L-shaped plate is turned over, finally, the steel wire rope makes contact with the alarm assembly and is squeezed to make contact with the alarm assembly, and after the whole ocean wind power single pile is adjusted to be in the vertical state from the personal state, an alarm is given in time; according to the marine wind power single pile turning-over adjusting device, the accuracy of marine wind power single pile turning-over adjusting is improved, excessive adjusting is avoided, and the situation that the final wanted adjusting structure is affected is avoided, the arranged lifting hooks effectively meet the requirements of marine wind power single piles of different sizes, and good follow-up connecting and lifting work is carried out.

The application discloses a kind of multi-modal deep learning methods for satellite-borne GNSS-R sea surface wind speed inversion based on CNN, GloWS-Net multi-modal deep learning model is constructed using the DDM features and multiple auxiliary parameters extracted by CNN fusion, comprising the following steps: obtaining satellite-borne GNSS-R observation data, ERA5 wind speed, ERA5 swell height, ERA5 wave direction data and IMERG rainfall data;All the data sets obtained are preprocessed and spatio-temporal matched;Data quality control and data division;GloWS-Net model construction and training;the test data set is input into the trained GloWS-Net model, the inversion wind speed value is obtained, and the result is evaluated.GloWS-Net model includes convolutional layer for extracting effective features from the combination of BRCSDDM and corresponding effective scattering area (effective scattering area), and fully connected layer for processing auxiliary parameters and higher level input parameters.Using the technical scheme of the application, high-precision and high-spatial and temporal resolution global ocean wind speed inversion can be realized.

The application relates to the technical field of vibration control of floating ocean structures, in particular to a semi-active tuned mass control device for inhibiting vibration of a floating ocean structure, which comprises a counterweight, the one-side surface of which is provided with a connecting ring, and the lower end outer surface of which is semispherical; a tuning unit, which comprises a first ball head sleeve, a first ball head steel pole, an extension assembly, a first spring damper, a second ball head steel pole and a second ball head sleeve; and an auxiliary tuning unit, which is arranged below the counterweight and comprises a supporting disc, an arc groove opened in the one-side surface of the supporting disc, a supporting piece connected to one side of the supporting disc, a second spring damper connected to one side of the supporting piece and a driving piece connected to one end of the second spring damper. According to the device, the working state of the device can be adjusted in real time according to different vibration degrees of the floating ocean wind turbine, so that better vibration control effect can be realized, and the device is safe and reliable.

An intelligent mooring cable for an ocean wind power platform is mainly composed of a mooring cable body and cable connectors. The mooring cable body is formed by wrapping a medium-density polyethylene protective layer on a single-strand steel wire rope with the structure of 1 * 626, and the single-strand steel wire rope is formed by twisting a fiber bragg grating sensor for measuring stress and strain and 625 high-strength zinc-plated aluminum rare earth alloy steel wires, wherein the fiber bragg grating sensor is located in the dead center and used for measuring stress and strain. A sensor of the mooring cable body is connected with a submarine cable lead and is subjected to protective casting, and the intelligent mooring cable is manufactured after cooling. Full-time and full-domain stress-strain monitoring of the mooring cable for the ocean wind power platform can be achieved, intelligent development of the ocean engineering mooring field is promoted, the blank of the field is filled up, and the method has high application and prospects.

The invention discloses an ocean wind wave and current combined load working condition sampling method, and belongs to the field of ocean engineering structures. According to the method, based on joint distribution of ocean wind wave flow, through distribution characteristic analysis of six actually-measured environmental parameters including wind speed, wind direction, wave height, period, flow velocity and flow direction, joint sampling is carried out, joint working conditions for engineering design and structure operation and maintenance are generated, reasonability of calculation results is verified, and extreme working conditions of extreme sea conditions are considered. According to the method, on the basis of statistical analysis of previous monitoring data, typical wind wave and flow joint distribution sea conditions used for simulation, verification and checking in the ocean engineering design process are obtained, and the workload of simulation calculation can be greatly reduced. Moreover, the method can fuse the actually measured environment load data accumulated after the service of the platform, and improves the accuracy of distribution fitting and the typicality of sea condition sampling. The method fits the field application, is suitable for monitoring the deepwater jacket platform, and is suitable for the ocean engineering fields of design, operation and maintenance of the platform and the like.

The invention belongs to the technical field of wind measurement laser radars, and particularly relates to a laser radar ocean wind field low signal-to-noise ratio inversion method and system. Aiming at the problems that a coherent Doppler anemometry laser radar is low in signal-to-noise ratio and the radial wind speed is difficult to estimate accurately under the condition of weak echoes in an ocean measurement environment, the method comprises the following steps: firstly, carrying out standardization and Doppler spectrum conversion on a received complex signal, and extracting an initial radial wind speed; and then, a mixed probability density model composed of Gaussian distribution signal components and uniformly distributed noise components is established, and signal and noise separation is realized. On the basis, an optimal wind speed vector estimation value is determined by constructing a target function and performing grid optimization searching in a two-dimensional wind vector space. According to the method, the influence of the marine atmospheric background noise on the inversion result can be effectively filtered out, and the wind measurement precision and effective detection distance of the laser radar in the low-signal-to-noise-ratio marine environment are remarkably improved.

The invention belongs to the technical field of ocean wind power inspection, and particularly relates to an ocean wind power bionic intelligent inspection robot fish which comprises an annular plate, a chest bionic plate is fixedly mounted on the left side of the annular plate, a dorsal fin bionic plate is fixedly mounted at the top of the chest bionic plate, and a ventral fin is fixedly mounted at the bottom of the chest bionic plate. A fish head bionic plate is fixedly mounted on the left side of the chest bionic plate, a propeller driving assembly is arranged on the chest bionic plate, and a power module steering engine driving assembly is arranged on the right side of the annular plate. The chest bionic plate and the fish head bionic plate are sequentially arranged on the left side of the annular plate, the power module steering engine driving assembly is arranged on the right side of the annular plate, and the propeller driving assembly is arranged in the chest bionic plate, so that the bionic robotic fish can be used for routing inspection when the ocean wind power is subjected to routing inspection; not only is the cost reduced, but also personnel following inspection is not needed, and the safety is improved.