153 results about "Sea waves" patented technology

An ocean wave and tidal current energy conversion system includes a first vessel and a second vessel, the first vessel being parallel and spaced apart from the second vessel. The first and second vessels include supports that receive cylinders that rotate from ocean waves and currents to create hydraulic oil pressure via hydraulic cylinders. The hydraulic oil in the energy conversion system is pumped into a pressure accumulator that removes hydraulic surges and operates an electric generator. The electric generator may power an electrolysis batch system for the production of hydrogen that fills each vessel with hydrogen gas.

This invention provides a method, apparatus, and device for generating marine meteorological data, relating to the field of data processing technology. The method for generating marine meteorological data includes: acquiring identification observation data and numerical simulation data of marine meteorological observation data; interpolating the numerical simulation data onto a preset target grid to generate interpolated wind field data; generating corrected wind field data based on the interpolated wind field data and the identification observation data; generating simulated ocean wave data based on the corrected wind field data; generating corrected ocean wave data based on the simulated ocean wave data and the identification observation data; and encoding the corrected wind field data and the corrected ocean wave data into target marine meteorological data. This invention achieves the fusion of autonomous observation data and numerical simulation data, and efficiently generates high-precision auxiliary meteorological data that meets the input requirements of marine satellites.

The application provides a sea wave effect generation method, device and equipment and a storage medium. The method extracts a position curve of a sea wave edge in multiple frames of sea wave pictures; generates corresponding sea wave animation maps based on the extracted position curve; determines performance parameters when playing the sea wave animation based on the sea wave animation maps, and renders each pixel point on a beach model to obtain corresponding sea wave effects. The sea wave animation maps obtained actually only contain coordinate information of the sea wave edges of the multiple frames of pictures. Compared with existing maps, the maps greatly reduce the resource amount of devices occupied, thereby reducing performance overhead when subsequent application resources are called, and improving operation efficiency.

This utility model relates to a flexible automatic anti-surge device for a ship unloader. It solves the problems in existing technologies where ship unloaders are easily damaged by wave forces and their material handling accuracy is easily affected. It includes a vertically arranged support frame with a horizontal boom at its upper end. One end of the horizontal boom is rotatably equipped with a ship unloader material handler, and the other end has a counterweight. One end of the ship unloader material handler has a flexible buffer mechanism. A steel cable adjustment assembly is connected to the horizontal boom, and a pressure-sensitive linkage control assembly is installed inside the ship unloader material handler. The advantages of this utility model are: it can absorb the additional force caused by wave surges, thereby effectively achieving energy absorption, ensuring the smooth operation of the entire ship unloading process, and avoiding mechanical damage caused by excessive force or external impact.

This invention proposes a method for observing ocean waves based on a binocular camera, belonging to the field of image processing technology. The method includes: S1: The binocular camera captures ocean wave images, generating ocean wave point cloud data at the current time t; S2: The ocean wave point cloud data in S1 is converted to ocean wave point cloud data in a geodetic coordinate system; S3: The ocean wave data in S2 undergoes quality screening and optimization, including: selecting the region of interest, quality screening, converting noisy data points to null values, null value filling, and Gaussian filtering; the quality screening classifies the ocean wave data into three levels: excellent, good, and poor; S4: Based on the excellent and good quality ocean wave point cloud data, the wave height, wavelength, and period at that time are calculated; S5: S1-S4 are repeated to obtain multiple frames of ocean wave point cloud data at different times, and the effective wave height, wavelength, period, and wave spectrum are calculated. This method can fill in null values, making the overall data more reasonable and the obtained elevation data more accurate.

This invention provides a double-layered annular wave-damping aquaculture reef, comprising a main body of the reef, which includes a first ring made of concrete. Four reef bodies are evenly arranged within the first ring. Each reef body includes a circular base plate, the edge of which is located at the bottom of the first ring. A second ring is also located inside the first ring, with the bottom of the second ring above the circular base plate. An 8-shaped baffle is provided on the outer wall of the second ring, facing the first ring and located on the upper surface of the circular base plate. The end of the baffle abuts against the top of the first ring. A square aquaculture frame is located in the center of the second ring, with the four reef bodies positioned around the frame. The height of the second ring is greater than that of the first ring. This invention, by placing reef bodies within the ring, not only reduces the impact of waves on the reef but also provides a refuge for fish.

The present invention provides a hot-rolled steel sheet for building structures, comprising a base layer, a corrosion-resistant layer, and an interfacial transition layer located between the base layer and the corrosion-resistant layer. The hot-rolled steel sheet of the present invention has a yield strength of ≥350 MPa, a tensile strength of ≥490 MPa, a yield-to-tensile ratio of 0.71 to 0.80, an impact energy of ≥190 J at -40°C, a corrosion resistance rate of ≤0.006 mm / year from sea spray, an interfacial transition layer thickness of ≤10 μm, and an interfacial shear strength of ≥252 MPa, and can be used to manufacture structural components suitable for sea spray environments. The present invention also provides a method for manufacturing the hot-rolled steel sheet.

The application belongs to the technical field of marine environment expansion, and discloses a shipborne radar sea wave perception domain expansion method and system based on deep learning, which constructs a sea wave perception domain step-by-step expansion model, uses a sea wave perception domain expansion submodule to realize spatial feature modeling and limited range expansion of local observation data, and gradually deduces larger range sea wave field information through a step-by-step expansion and residual connection mode; meanwhile, a sea wave continuity constraint mechanism is introduced to apply continuity constraints at the junction of the expanded sea area and the original observation sea area, so that the overall wave field can maintain high accuracy and spatial continuity in a large range. Through the shipborne radar sea wave perception domain expansion method based on deep learning, the real-time perception ability of the shipborne radar to a large range of sea areas in the local environment can be significantly improved, the independent operation of the ship in the marine environment is supported, and the real-time sea wave perception ability of the ship navigation safety and the marine engineering application is significantly improved.

The application discloses a multilayer sinusoidal wave closed-loop sea wave water pressurizer, which comprises a sea wave water pressurizer body, wherein the sea wave water pressurizer body comprises a float part, a vertical main shaft rod and a plurality of sinusoidal wave water pressurizer disc groups; the vertical main shaft rod is arranged at the bottom of the float part; the plurality of sinusoidal wave water pressurizer disc groups are sequentially arranged on the vertical main shaft rod from top to bottom and are located below the float part; and two adjacent sinusoidal wave water pressurizer disc groups are communicated with each other. Since the ocean waves move in the form of up-and-down waves, the whole sea wave water pressurizer body can also move up and down under the action of the ocean waves; the plurality of sinusoidal wave water pressurizer disc groups in the sea wave water pressurizer body suck in seawater and pressurize the seawater under the action of the ocean waves, and then the seawater is delivered outward through tail pipes, so that long-distance delivery is realized, and external power is not consumed, which meets the green and environmental protection requirements.

1. The name of the design product: gift ornament (sea wave ship). 2. The use of the design product: for ornaments. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view.

This invention belongs to the field of marine aquaculture technology, and particularly relates to a lifting double-layer marine ranching device. It includes a support frame fixed to the coast, with a double-layer net cage inside the support frame. Multiple sliding components are located on the side of the support frame near the double-layer net cage, and the double-layer net cage is connected to these sliding components via multiple ropes. Inside the double-layer net cage is a square box, connected to the bottom of the double-layer net cage via multiple square box ropes. An airbag is installed inside the square box, connected to an air supply component. Multiple through-holes for seawater inflow and outflow are provided on the outer wall of the square box. The double-layer net cage is used to cultivate attached organisms. A counterweight is located at the bottom of the double-layer net cage, and a net cover is placed on top. This invention lowers the double-layer net cage into the sea by controlling the deflating of the airbag, reducing direct impact from waves, lowering the risk of structural damage to the double-layer net cage, and ensuring the stability of the aquaculture device.

This invention discloses a method for estimating sea state levels based on visual information. The method includes acquiring image and video data of a target sea area through an image acquisition module; using a combination of median filtering and Gaussian filtering for noise reduction, and histogram equalization to enhance data contrast; performing image geometric correction using radial distortion correction and tangential distortion correction models; extracting wave texture features, motion features, and wave height features from the preprocessed data; inputting the extracted features into a trained sea state level classification model for training, and outputting the sea state level estimation result. During training, multi-model fusion and dynamic model updating methods are used to improve the accuracy and reliability of the estimation. This invention uses a camera to collect wave information within a certain distance and range, and automatically estimates the sea state level based on this information, thus solving the problems of high cost, limited measurement range, significant environmental influence, and low accuracy in existing sea state level estimation methods.

The present application aims to provide a wave spectrum observation buoy for marine engineering with reduced entanglement wear and a reduced observation method. The present application comprises a marker buoy, a connecting piece pivotally connected to the lower end of the marker buoy, a wave buoy snap-connected to the end of the connecting piece, and an anchor cable piece hingedly connected to the lower end of the marker buoy and used for anchoring the seabed; the wave buoy is provided with an observation device for observing meteorological hydrology, and the wave buoy rotates around the marker buoy through the connecting piece. The detection buoy observes the sea waves of the surrounding area by rotating around the marker buoy through the connecting piece, and the connection between the connecting piece and the marker buoy is connected through a limiting ring to isolate the torsion force and avoid the entanglement of the connecting piece when the observation buoy rotates around the circumference, thereby improving the wave-following performance of the observation buoy, increasing the accuracy of wave spectrum detection, and effectively avoiding the influence of the connecting piece on the sensitivity of wave regulation. The present application is applied to the technical field of wave spectrum buoys.

This invention discloses a peripheral wave-damping and power generation system for a floating marine unit, comprising a floating marine unit; a transverse wave-damping support is fixedly installed on the periphery of the floating marine unit, and a plurality of power-generating wave-dampers are arranged in an array along the length direction on the outer side of the transverse wave-damping support. Each power-generating wave-damper includes an inclined energy-absorbing plate, the lower part of which is submerged below the water surface, and the energy-absorbing plate can rotate and swing around a pivot. In a stable state, the energy-absorbing plate remains balanced under the combined action of gravity and buoyancy. When the wave-facing surface of the energy-absorbing plate is impacted by waves, the pivot corresponding to the energy-absorbing plate adaptively swings downward; the system has the function of power generation while damming waves and absorbing energy.

An offshore floating wave energy power generation assembly for installation in a water environment, the power generation assembly comprising: a floating sphere having a slotted channel with a tapered configuration for capturing incident sea waves and transporting seawater from a first end of the channel to a second end of the channel; a turbine assembly located within an internal volume of the floating sphere, the turbine positioned at or adjacent the second end of the channel to convert kinetic energy of the captured sea waves into electrical energy.

This invention belongs to the technical field of offshore wind turbine generators. It proposes a floating wind turbine generator and its control method based on adaptive wind capture in response to ocean waves. A flexible adaptive adjustment mechanism is installed in the nacelle assembly and the tower. The flexible adaptive adjustment mechanism includes a hydraulic station and multiple support components connected to the hydraulic station via hydraulic pipelines. The two ends of each support component are connected to the nacelle assembly and the tower, respectively, and the multiple support components are located at different positions between the nacelle assembly and the tower. By supplying different pressures to the multiple support components, the horizontal angle of the nacelle assembly relative to the tower is adjusted, ensuring that the wind turbine assembly is perpendicular to the wind direction and guaranteeing power generation efficiency. Furthermore, the flexible adjustment method of pressure control can buffer the impact of large wave amplitude and frequency in extreme environments, ensuring control flexibility and structural stability.

The application discloses an effective wave height double-stage space-time prediction method and system based on diffusion residual correction, relates to the technical field of sea wave prediction, and inputs historical effective wave height data and corresponding historical wind field data into an effective wave height space-time prediction model for processing to obtain a preliminary effective wave height prediction result, and then inputs the preliminary effective wave height prediction result, the historical effective wave height data and synchronous forecast wind field data into a residual correction module based on a diffusion model to compensate for the preliminary prediction error and obtain a final effective wave height prediction result. The diffusion model based on the EDM architecture is innovatively introduced to finely reconstruct the prediction residual, the basic prediction field, the synchronous wind field dynamic factor and the prediction time limit are taken as multi-dimensional physical strong conditions to inject the diffusion generation process, the application can deterministically restore the high-frequency texture details and nonlinear wave components missed by the first-stage model, to a certain extent, the application can relieve the long-term deviation accumulation, improve the prediction quality in high wave areas and improve the prediction stability.

A wave energy and photovoltaic power generation offshore buoy system, comprising a weather monitoring device, a buoy body, a mooring device; the buoy body comprises a floating body suspended on the sea surface; wherein further comprising: a counterweight seat arranged below the floating body; a power generation module, comprising a photovoltaic power generation module and a sea wave power generation module, the photovoltaic power generation module comprises a plurality of vertical distributed photovoltaic panels arranged on the mast; the sea wave power generation module comprises a sea wave generator set and at least two pressure wells vertically penetrating through the buoy body; a power storage module for storing the power of the power generation module and discharging the weather monitoring device. To solve the problem of short service life and complex maintenance of offshore buoy when collecting and monitoring meteorological data; through the counterweight seat, the operator is facilitated to maintain on the buoy; through the power generation module, the power conversion effect is strengthened; through the power storage module, the discharge to the weather monitoring device is stabilized, and the service life of the buoy monitoring weather is prolonged.

This invention discloses a marine environmental monitoring buoy that is easy to recover, belonging to the field of marine equipment. The aforementioned monitoring buoy includes a buoyancy component and a buoy body that rotates slightly back and forth inside the buoyancy component. The buoyancy component includes a buoyancy ring and a support ring disposed outside the buoyancy ring, with the buoy body rotatably connected to the inside of the buoyancy ring. An anchoring component is installed outside the support ring, comprising a hollow shell and a clamp. An auxiliary anchor is rotatably mounted at the bottom end of the hollow shell, and a central anchor is rotatably mounted at the center of the bottom end of the buoy body. An isolation component is provided between the auxiliary anchor and the central anchor. A protruding end is provided at the bottom of the buoy body, and multiple actuating plates are fixedly connected around the outside of the protruding end. This invention, through structural improvements, overcomes the problem that when buoys are used directly floating on the sea surface, they can only rise and fall with the waves, unable to adapt to the dynamic changes of ocean waves and currents, and are prone to buoy deviation and overturning, affecting monitoring accuracy.

1. Name of the product in this design: Shore and seawall wave-dissipating module. 2. Purpose of this design: To be fixed on seawalls and breakwaters to counteract the impact of ocean waves. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: 3D rendering 1.

The application provides a deep-sea wave compensation precision testing device, which comprises a seabed part signal processing system, an on-ship part signal processing system and a wave compensation testing device; the seabed part signal processing system comprises a seabed signal transmitting unit and a ship bottom signal receiving unit; the seabed signal transmitting unit is located on the seabed; the ship bottom signal receiving unit is located on the ship bottom; the seabed signal transmitting unit transmits signals; and the ship bottom signal receiving unit receives the signals transmitted by the seabed signal transmitting unit; the on-ship part signal processing system comprises an on-ship signal transmitting unit and an on-ship signal receiving unit; the on-ship signal transmitting unit is located at an on-ship supply hook; the on-ship signal transmitting unit moves with the on-ship supply hook; the on-ship signal receiving unit is located on the on-ship deck; the on-ship signal transmitting unit transmits signals; and the on-ship signal receiving unit receives the signals transmitted by the on-ship signal transmitting unit. The reliability of wave compensation testing is improved.

The application provides an array performance quantification analysis method and system for sea wave direction spectrum estimation, and relates to the technical field of array performance quantification analysis. The method comprises the following steps: determining the analytical upper limit of the array through wave number spectrum window calculation; determining the information utilization rate of the array by comparing the equivalent measurement point number and the real measurement point number of the array; obtaining the wave number sidelobe level by calculating the ratio of the maximum sidelobe peak value to the main lobe peak value in the wave number spectrum window, and then determining the energy leakage level of the array; determining the observation ability of the array by calculating the normalized average nearest neighbor distance between each measurement point of the array; obtaining the main lobe concentration degree by calculating the angle deviation between the direction of the vector and the direction of the center line of the correlation matrix of the array, and then determining the advantages and disadvantages of the main lobe shape of the array; and comprehensively evaluating the quantitative evaluation results of the above five dimensions to form the quantitative evaluation of the comprehensive performance of the array. The application is suitable for arrays with any measurement point number, and the performance pre-evaluation can be completed before the array is deployed.

The application discloses a neural network prediction method for optimal working angle of a marine ship photovoltaic panel. The method considers the influence of sea wave fluctuation and solar position change on the ship photovoltaic power generation system, collects the operation data of the ship photovoltaic panel under different conditions, and establishes a neural network model to learn the output power curve of the ship photovoltaic panel on the basis, and then the trained ship photovoltaic panel power fluctuation neural network model is used to predict the output power of the photovoltaic panel under the current condition. According to the prediction result, the characteristics of the ship photovoltaic panel power fluctuation curve are analyzed to determine the optimal inclination angle of the current ship photovoltaic panel. The application can quickly obtain the optimal inclination angle of the photovoltaic panel to track the sun during the ship sailing process, effectively suppress the power fluctuation of the photovoltaic panel during the ship sailing at sea, reduce the power loss, and improve the output power.

This invention belongs to the field of wave height prediction technology and discloses a wave prediction method that considers the evolution characteristics of the marine environment. The method includes the following steps: (1) collecting historical data on significant wave height, average period, and wind speed of waves in the target sea area and processing the data; (2) performing seasonal trend decomposition on the significant wave height sequence to obtain trend terms, seasonal terms, and residual terms; (3) calculating wind and wave response indices based on wind speed changes, wave average period changes, and significant wave height changes; (4) generating wind and wave response state weights and using these weights to adjust the influence of different historical time steps, different wave height components, and meteorological and oceanographic elements in the prediction process; (5) correcting the prediction contributions of the trend terms, seasonal terms, and residual terms with weights, and reconstructing the predicted future significant wave height. This invention can improve the stability of significant wave height prediction during periods of significant wind speed changes or sea state transitions.

This invention discloses a method and system for estimating the depth of an underwater vehicle in near-surface operating conditions. The method includes the following steps: establishing a mathematical model of the underwater vehicle's depth channel; designing a state observer based on the mathematical model; calculating the average depth measurement value for each cycle; calculating the rate of change of the state observer's gain; updating the gain and performing adaptive adjustment; and updating the depth estimate. This invention designs a method for estimating the near-surface depth of an underwater vehicle under wave disturbance conditions based on the principle of the state observer, namely, adaptively adjusting the observer gain to complete the data filtering estimation of the depth channel.

The present disclosure belongs to the technical field of numerical prediction, and particularly relates to a sea-air wave coupling numerical prediction method, system, device and medium. The method comprises the following steps: obtaining initial atmospheric data, initial ocean data, initial sea wave field data and initial multi-source observation data in a prediction area, and constructing an initial data set by using the initial atmospheric data, the initial ocean data, the initial sea wave field data and the initial multi-source observation data; obtaining a target data set by preprocessing the initial data set; constructing a model based on the target data set to obtain an atmospheric model, an ocean model and a sea wave model; constructing an initial sea-air wave coupling numerical prediction model based on the atmospheric model, the ocean model and the sea wave model; obtaining a prediction result based on standard multi-source observation data and the initial sea-air wave coupling numerical prediction model, judging the accuracy of the prediction result, updating key model parameters according to the accuracy judgment result, and obtaining a target sea-air wave coupling numerical prediction model. The present application improves the accuracy of the prediction result.

This invention belongs to the field of video transmission technology, specifically relating to an adaptive bitrate image transmission method and system for remote video monitoring of ships. The method includes the following steps: S1, acquiring multi-source heterogeneous data of the ship, including navigation situation data characterizing the state of obstacles around the ship, ship attitude data characterizing the degree of ship sway, and network status data characterizing the quality of the satellite link; S2, based on the relative motion information in the navigation situation data and the angular velocity information in the ship attitude data, constructing a navigation safety urgency model, and calculating a navigation safety urgency index characterizing the dependence of the current environment on video clarity. This invention, through a data-driven approach, achieves forced image quality enhancement during high-risk periods while ignoring some network fluctuations, saves bandwidth during stable periods, and effectively resists the consumption of encoding resources by sea noise.

This invention relates to the field of aquaculture technology and proposes an aquaculture cage, comprising an aquaculture cage with a connecting frame fixedly connected to its upper end. A floating platform is installed above the connecting frame. Second connecting ropes are connected to all four sides of the bottom of the aquaculture cage. A first connecting rope is connected to the outer end of the connecting frame. A buffer device for fixing the connection is connected between the first and second connecting ropes. The four corners of the bottom of the aquaculture cage are tightened with the second connecting ropes to stabilize the cage and prevent it from swaying under the impact of waves, while also preventing the cage from tipping over. A foldable connecting frame is fixedly installed at the upper end of the aquaculture cage. The upper opening of the aquaculture cage closes and sinks to the seabed, separating it from the waves and preventing damage to the cage and escape of farmed fish, thus reducing losses in aquaculture.