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622 results about "Mooring" patented technology

A mooring in oceanography is a collection of devices connected to a wire and anchored on the sea floor. It is the Eulerian way of measuring ocean currents, since a mooring is stationary at a fixed location. In contrast to that, the Lagrangian way measures the motion of an oceanographic drifter, the Lagrangian drifter.

Dynamic pose control method for hoisting of special-shaped concrete filled steel tube section

The invention discloses a special-shaped steel pipe concrete pipe section hoisting dynamic pose control method, relates to the technical field of ocean engineering underwater pipeline installation, and mainly solves the problems of insufficient dynamic response and low space pose control precision when a special-shaped pipe section is hoisted in a complex water flow environment. The method comprises the steps that pipe section space pose design parameters are obtained, the pitch angle and the rolling angle of a pipe section are monitored in real time through an inclination angle sensor set, disturbance torque generated by real-time water flow force is calculated, sling length compensation amount is generated, and the take-up and pay-off speed of a chain block at each lifting point is independently adjusted; and meanwhile, adjusting mooring ropes moored on the two sides are pulled to control the horizontal rotation angle of the pipe section, the height of a lifting hook and tension of the mooring ropes are fed back and adjusted in cooperation with a floating crane positioning system, and finally accurate underwater in-position of the pipe section to the preset position of the seabed is achieved. The device is mainly used for hoisting and sinking operation of the special-shaped concrete filled steel tube section in the marine environment, water flow interference can be effectively resisted, and accurate butt joint and installation quality of a pipe section connector are guaranteed.
Owner:GUANGZHOU SALVAGE BUREAU

Cable-supported ocean photovoltaic floating system

The invention relates to the technical field of photovoltaic equipment, and discloses a cable-supported marine photovoltaic floating system, which comprises floating units, a cable net structure, a frame structure and a mooring structure, the cable net structure comprises longitudinal cables and transverse cables, the longitudinal cables and the transverse cables intersect to form a grid shape, and the longitudinal cables and the transverse cables intersect and are fixed in the floating units; the outer ends of the longitudinal cables and the outer ends of the transverse cables are connected with the frame structure, the frame structure is connected with the mooring structure, and the mooring structure is used for keeping pretension of the transverse cables and the longitudinal cables. According to the scheme, the longitudinal cables and the transverse cables are stressed in a face mode, a traditional point stress mode is replaced, external force can be dispersed more evenly, the local damage risk is reduced, and high fatigue resistance is achieved; the longitudinal cables and the transverse cables are fixed through the floating units, relative displacement of the longitudinal cables and the transverse cables is avoided, the integrity of the cable net structure is guaranteed, the frame structure and the mooring structure fluctuate up and down along with stormy waves and adapt to dynamic changes of the cable net structure, and the stability and durability of the whole floating type offshore photovoltaic system in the complex marine environment are guaranteed.
Owner:CHINA CONSTRUCTION POWER & ENVIRONMENT ENGINEERING CO LTD +1

Floating offshore wind power suction anchor foundation mooring lifting lug structure

The utility model relates to a floating type offshore wind power suction anchor foundation mooring lifting lug structure which comprises a suction anchor cylinder body, a main eye plate and a cylinder body thickening plate, the cylinder body thickening plate is fixed on the inner side wall of the suction anchor cylinder body, the main eye plate is fixed on the outer side surface of the suction anchor cylinder body, and the cylinder body thickening plate is fixed on the inner side wall of the suction anchor cylinder body. The main eye plate penetrates through the side wall of the suction anchor cylinder and the cylinder thickening plate and is fixedly connected with a first connecting plate, a second connecting plate is fixed to the other side of the first connecting plate, and the second connecting plate is fixed to the inner side wall of the other side of the suction anchor cylinder. According to the utility model, the suction anchor cylinder body can form a whole with a stable structure.
Owner:FUJIAN YONGFU POWER ENG

Floating type storm integrated system dynamic response analysis method, device and equipment

The invention provides a floating type wind wave integrated system dynamic response analysis method, device and equipment, and relates to the technical field of wind power generation, and the method comprises the steps: constructing a three-dimensional twin space, and defining environment conditions, model parameters and static reference points in the twin space; obtaining a near-field drainage basin range and a speed potential of parameter points in the twin space; calculating a frequency domain hydrodynamic load dimensionless coefficient; calculating a wind load, a mooring load and a constraint load; updating the movement speed, acceleration and displacement of the three-dimensional model in combination with the calculation result of the previous time step; and outputting a dynamic response analysis result of the floating storm integrated system. According to the integrated design method for the floating type storm integrated system, the comprehensive coupling floating type storm integrated system is adopted, power production can be stably increased through the integrated design, the cost and the rated power ratio can be reduced, engineering operation and maintenance cost can be shared, and positive dynamic interaction can be achieved.
Owner:NORTH CHINA ELECTRIC POWER UNIV

Modelica-AeroDyn-MoorDyn-based floating type wind wave combined power generation device integrated coupling calculation method and system

The invention discloses an integrated coupling calculation method and system for a floating type wind wave combined power generation device based on Modelica-AeroDyn-MoorDyn, and relates to the technical field of offshore wind power generation, and the method comprises the steps: constructing a floating type fan model and a wave energy floater model which are highly matched with the actual operation of the floating type wind wave combined power generation device through Modelica; the aerodynamic load can be accurately loaded to the floating fan in an omnibearing mode, meanwhile, the attachment mode between the wave energy floater and the floating fan is established, the freedom degree of the floater can be freely released, enough precision is provided for reliability and stability evaluation of mooring based on the concentrated mass method by combining MoorDyn, and based on collaborative simulation of Modelica-AeroDyn-MoorDyn, the reliability and stability of the floating fan can be evaluated. The simulation result of the multi-floating-body coupling response obtained on the whole can truly reflect the operation state of the floating type wind and wave combined power generation device, and the coupling reliability is improved.
Owner:SUN YAT SEN UNIV

Floating fan mooring load calculation method and system based on coupling simulation

The invention discloses a floating fan mooring load calculation method and system based on coupling simulation, and the method comprises the steps: obtaining the actual parameters of a floating fan, and constructing a first simulation model and a second simulation model in Charm3D and OpenFAST; collecting real ocean current data and configuring ocean current data of each time step length; inputting ocean current data into the two simulation models in real time, and inputting overall dynamic response data of the floating fan from the first simulation model into the second simulation model to obtain motion information of the floating fan; inputting the motion information of the floating fan into the first simulation model from the second simulation model to obtain new overall dynamic response data of the floating fan, and inputting the overall dynamic response data of the floating fan into the second simulation model again for simulation until the simulation period is finished; and mooring load data in the overall dynamic response data of the floating fan at each moment are obtained, and the time domain process of the mooring load of the floating fan is obtained. According to the method, the mooring load of the floating fan under the real ocean current condition of the open sea can be accurately calculated.
Owner:CHANGSHA UNIVERSITY OF SCIENCE AND TECHNOLOGY

Marine environment inversion method and system based on mooring buoy

The invention relates to the technical field of marine environment inversion, and provides a marine environment inversion method and system based on a mooring buoy, and the method comprises the following steps: employing a constructed ConvLSTM model to extract spatial features and time sequence features for the obtained marine environment data collected by the buoy, and obtaining the prediction data of the buoy data; carrying out fusion processing on the predicted data of the buoy data and the obtained data of the plurality of ocean observation data sets by adopting a variational mode decomposition and Kalman filtering fusion method; and constructing a marine environment generation model combining the diffusion model and the U-Net model to obtain a marine environment inversion result. The multi-source ocean data is combined, the precision and the calculation efficiency of the inversion model are improved, the inversion algorithm is optimized, the calculation efficiency is improved, and the inversion result is verified by using the actually measured data, so that the reliability and the applicability of the method under different ocean environment conditions are ensured.
Owner:FIRST INSTITUTE OF OCEANOGRAPHY MNR

Anchor parking area control scheduling method and system

The invention discloses a control scheduling method and system for an anchoring parking area, and relates to the technical field of control scheduling. Comprising the following steps: periodically scanning a ship to be moored to obtain an attitude parameter set, synchronously mapping the attitude parameter set to a unified space coordinate system, and constructing an original anchoring parameter matrix; carrying out ship-by-ship matching on the original anchoring parameter matrix and a preset anchoring ground berth rule, constructing a berth feasibility judgment matrix, and identifying an actual mooring area set in the current anchoring ground; based on the berth feasibility judgment matrix, performing spatial reconstruction on each anchoring point in the actual mooring area set by adopting hierarchical scheduling, and outputting a structured scheduling instruction set; and packaging the structured scheduling instruction set into a structured scheduling information packet through shore side communication, and issuing anchoring adjustment information to the target ship. According to the invention, fine identification and screening of the current available anchoring area are realized, and the accuracy and safety of berth distribution are significantly improved.
Owner:JSTI GRP CO LTD +1

Automatic retracting device for marine anchor and mooring equipment

The invention discloses an automatic retracting device for a marine anchor and mooring machine, which relates to the technical field of marine machinery and comprises an outer shell, a mounting cavity, an anchor chain winding drum, a transmission shaft, a motor I, a buffer mechanism, a retracting and releasing mechanism, an anchor chain and a retracting and releasing opening, the device is reasonable and simple in structure, low in production cost and convenient to mount, during anchoring, the anchor chain is guided to be released stably and orderly through cooperative operation of the motor, a specific transmission structure and the retracting and releasing mechanism, winding and jamming are avoided, the releasing speed of the anchor chain can be reduced, and accurate berthing of a ship is assisted; in the anchoring and weighing process, the buffering mechanism is matched with the adjustable buffering mechanism, torque change of the transmission shaft can be effectively buffered, different working conditions can be adapted, key parts of equipment are protected, the service life is prolonged, and the maintenance cost is reduced; during anchor weighing, the take-up and pay-off mechanism works reversely, the anchor chain outside the ship can be led in and wound on the anchor chain winding drum in order, meanwhile, the buffering mechanism continuously plays a role, and transmission shaft torque sudden change caused by stress or rotating speed change is prevented.
Owner:JIANGSU MASADA HEAVY INDS

Breeding system for seabed

The present disclosure relates to a culture system for the seabed, comprising: a base for being disposed in the seabed; the floating box is arranged above the base, a first containing cavity used for containing liquid is formed in the floating box, and the first containing cavity is communicated with the outside in an openable and closable mode and used for introducing the liquid or discharging the liquid so as to change the overall weight and enable the floating box to move in the height direction; the culture net cage is connected above the floating box; the winding piece is arranged above the culture net cage; one end of the positioning piece is connected with the base, and the other end of the positioning piece sequentially penetrates through the aquaculture net cage and the floating box and then is connected to the winding piece in a retractable mode, and the positioning piece is used for limiting the floating box and the aquaculture net cage to move in the extending direction of the positioning piece. When the buoyancy tank floats to the sea level, the function of mooring an anchor chain can be achieved, and arrangement of the mooring anchor chain is omitted. And meanwhile, the culture net cage and the floating box can still be located on the base when being located on the seabed again through winding and unwinding of the winding piece, and displacement is avoided.
Owner:LONGYUAN (BEIJING) WIND POWER ENG & CONSULTING CO LTD

Deep sea subsurface buoy three-point positioning method

The invention provides a deep-sea subsurface buoy three-point positioning method. The deep-sea subsurface buoy three-point positioning method comprises the steps that the longitude and latitude of a subsurface buoy weight entering water, the seawater depth and the distance between a deep-sea releaser and the subsurface buoy weight are obtained when a deep-sea subsurface buoy is laid; within a set distance from the water entry point of the subsurface buoy heavy block, three position points which are not in the same straight line are selected, and latitude and longitude coordinates of the three position points are recorded; actually measuring the distances from the three position points to the deep sea releaser; and obtaining latitude and longitude coordinate positions of the deep sea subsurface buoy based on a three-point positioning method of solid geometry. The method has the advantages that the calculation method is simple, the operability is high, the actual laying position of the deep sea subsurface buoy can be corrected, and the estimation precision of the laying position of the deep sea subsurface buoy is improved. And powerful support is provided for subsequent acoustic experiment data processing and subsurface buoy recovery and salvage.
Owner:INST OF ACOUSTICS CHINESE ACAD OF SCI

A method for monitoring and warning the mooring state of a ship

The present invention relates to the technical field of ship warning, and discloses a method for monitoring and warning the mooring state of a ship. During a first preset time period, environmental characteristic data, stability data and cable winching data of ships in a target mooring water area are collected at fixed time intervals; a stability score is calculated for the moored ships in the target mooring water area according to the stability data; a feng shui topology is constructed based on all the ships in the target mooring water area, and corresponding standard environmental data is generated for each moored ship based on the feng shui topology and the environmental characteristic data; a stability prediction model is trained based on the standard environmental data, cable winching data and corresponding stability scores of each moored ship during the first preset time period; during a second preset time period, the length and tension of each cable winching are dynamically managed based on the stability prediction model in combination with an optimization algorithm.
Owner:福建金创利信息科技发展股份有限公司 +2

Underwater gliding robot anchoring process energy consumption optimization method and system based on subdomain grey box model

The invention discloses an underwater gliding robot anchoring process energy consumption optimization method and system based on a subdomain grey box model. The energy consumption optimization method comprises the steps that a white box energy consumption mechanism model in the underwater gliding robot anchoring process is established; the whole anchoring energy consumption stage of the underwater gliding robot is divided into a plurality of sub-domains, and a Latin hypercube design method is adopted to simulate and generate a plurality of sub-domain samples meeting variable range constraints by using a hardware-in-the-loop simulation platform; selecting a Kriging model as a sub-domain agent model, fusing the white-box energy consumption mechanism model and constraint conditions of an oil bag volume and a movable mass position to form a sub-domain grey-box model, and performing segmented energy consumption fitting by using the sub-domain grey-box model; and with minimization of energy consumption fitted by the sub-domain grey box model as a target, performing iterative optimization on the sub-domain proxy model by adopting a dynamic guidance self-adjusting particle swarm algorithm, and outputting optimal planning parameters. The method realizes anchoring full-process low-energy-consumption control, and is suitable for marine resource exploration, hydrological monitoring and other tasks.
Owner:HUNAN UNIV

Marine mooring seat positioning device and positioning installation method

The invention discloses a marine mooring seat positioning device and a positioning and mounting method, the marine mooring seat positioning device is used for assisting in mounting a mooring seat, the mounting precision of the mooring seat is effectively improved, and rapid mounting of the mooring seat is achieved. Meanwhile, the mooring seat positioning device for the ship can assist in installing the mooring seat and can also detect the installation precision of the mooring seat so as to ensure that the bottom of the mooring seat accurately extends out of a deck by 3 mm.
Owner:HUDONG ZHONGHUA SHIPBUILDINGGROUP

Floating fan with anti-rolling function and control method thereof

The invention discloses a floating fan with a stabilization function and a control method of the floating fan. A wind turbine unit of the floating fan is installed at the top end of a tower, the bottom end of the tower is installed on a floating platform, a plurality of stabilization rudders are arranged on the outer side face of the floating platform, and the floating platform floats on the sea surface and is connected to a seabed through a plurality of mooring chains. The method comprises the steps that a control system controls all rudder wings of the floating fan in real time according to a tilt angle monitored by a sensor in real time and a preset expected tilt angle, different working states are switched to achieve continuous control over the wave energy device, and when the tilt angle of the floating fan does not exceed the expected tilt angle, the floating fan does not start a stabilization rudder, and an automatic stabilization mode is started; and when the inclination angle of the floating fan exceeds the expected inclination angle, stabilization is carried out by controlling the rudder wings. According to the invention, the purposes of stabilizing the floating fan and saving energy can be achieved, so as to cope with complex sea conditions and prolong the working time.
Owner:HAINAN RES INST OF ZHEJIANG UNIV +1

Modeling analysis method suitable for high holding power anchor group system

The invention discloses a modeling analysis method suitable for a high holding power anchor group system, which comprises the following steps of: S1, establishing a solid model of the high holding power anchor group system and seabed soil in a finite element model, and obtaining a finite element model main program; s2, anchor chain tension is applied to an anchor chain tension application point at the front end of the mooring anchor chain entity model; S3, in the calculation process of the finite element model main program, horizontal displacement and vertical displacement of a front mooring point are monitored, horizontal displacement and vertical displacement of a rear mooring point are monitored, and a movement track curve of the high holding power anchor group system entity model is obtained. According to the method, the predictability of the embedding behavior of the high holding power anchor group system can be improved, the accuracy of numerical simulation can be improved, the real-time changing anchor chain tension borne by the mooring anchor chain and the spatial form and transmission tension of the mooring anchor chain and the connecting anchor chain can be accurately described, the modeling complexity of a finite element model is reduced, and the calculation efficiency is improved.
Owner:SHANGHAI INVESTIGATION DESIGN & RES INST CO LTD

Air-water-shore cooperative overwater float type pier scouring monitoring system and method

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.
Owner:EDDYSUN (XIAMEN) ELECTRONICS CO LTD

Floating navigation mark anchorage positioning method and system

The invention provides a floating navigation mark anchorage positioning method and system, and relates to the technical field of floating navigation mark anchorage detection, and the method comprises the steps: transmitting a first wave beam to an underwater object through a sonar device, screening out a first echo of the underwater object which is an anchorage, and obtaining a target echo; acquiring a ship position; the sonar equipment transmits a second wave beam to the ship; a second distance and a second angle between the sonar equipment and the ship are determined firstly, and then the real-time position of the sonar equipment is determined; then determining a first distance and a first angle between the mooring ingot and the sonar equipment; based on the real-time position of the sonar equipment, the first distance and the first angle, determining the current position of the mooring ingot; and finally, generating an adjustment path based on the current position and the design position of the tied ingot. And the echo corresponding to the concrete anchor is screened out as the target echo, so that the interference of irrelevant objects is eliminated. A sonar detection principle and an algorithm are used to calculate the specific position of the mooring anchor underwater. And by comparing the current position and the design position of the tied ingot, the deviation condition is known, and correction is facilitated.
Owner:ZHANJIANG NAVIGATION AIDS OFFICE NANHAI NAVIGATION SUPPORT CENT MINISTRY OF TRANSPORT

Wave energy conversion device, control method thereof, control device and storage medium

The invention relates to a wave energy conversion device, a control method thereof, a control device and a storage medium, and relates to the field of wave energy power generation. The wave energy conversion device comprises a wave energy conversion unit, a fixed reflecting wall structure and a mooring and anchoring system. The wave energy conversion unit comprises a floater, a power output device and a connecting structure for connecting the floater and the power output device; the static immersion depth of the floater in the initial state is configured to respond to wave excitation and mainly take heaving motion, and the power output device is used for converting the heaving motion of the floater into available energy to be output; the wave energy conversion unit is connected to a seabed or a fixed reflecting wall structure; the fixed reflecting wall structure is arranged on one side of the wave energy conversion unit and is used for reflecting waves with opposite propagation directions, so that the wave energy forms energy accumulation in a local area around the wave energy conversion unit; and the mooring and anchoring system is used for stabilizing the wave energy conversion unit and the fixed reflecting wall structure in a preset water area environment together.
Owner:中国地质大学深圳研究院

Underway temperature-salinity-depth detector laying tool, laying method and recovery method

The invention provides a laying tool, a laying method and a recovery method for a sailing type temperature-salinity-depth detector, and the tool comprises a tow fish which is provided with an attitude sensor on the surface of a housing and is used for detecting the pitch angle of the tow fish; the throwing frame is installed on the ship body and used for guiding the laying path of the tow fish; the winch is installed on a ship afterdeck or in a cabin, and the tow fish is hung through a mooring rope. Wherein an executing mechanism of the winch is in communication connection with the attitude sensor and is configured to respond to an attitude signal generated when the tow fish enters water and drive the tow fish to be adjusted to be in a vertical state; and driving the tow fish to be adjusted to be in a horizontal state in response to a posture signal when the tow fish is out of water. The laying tool provided by the invention is suitable for various laying scenes, realizes automatic posture adjustment of the tow fish when the tow fish enters and exits water, improves the automation degree and safety of operation, avoids human interference, and is beneficial to improving the measurement precision of the temperature-salinity-depth sensor.
Owner:JIANGNAN SHIPYARD (GRP) CO LTD

Method and device for rapidly forecasting dynamic response of waves in harbor and moored ships

The invention discloses a method for rapidly forecasting dynamic response of waves in a port and moored ships. The method comprises the steps that S1, a wave numerical model in the port is built; s2, building a mooring numerical model of a preset ship type; s3, establishing a training set by using the in-port wave numerical model and the mooring numerical model, wherein the training set comprises a coastal wave condition parameter, a coastal wind field condition parameter, an in-port wave parameter and mooring ship dynamic response data; s4, taking the coastal wave condition parameters and the coastal wind field condition parameters as input, taking the in-port wave parameters and the mooring ship dynamic response data as output, and training to obtain a neural network model; and S5, inputting coastal wave observation data and coastal wind field observation data into the neural network model to obtain in-port waves and dynamic response prediction data of the mooring ship. Defects in the prior art can be overcome, and rapid forecasting of dynamic response of waves and mooring ships in the harbor is achieved.
Owner:CCCC FHDI ENG

Mooring device for ship

The invention relates to the technical field of ship mooring, and discloses a mooring device for a ship, the mooring device for the ship comprises a base and a winch assembly arranged on one side of the base, synchronous movement is achieved through a dynamic rope adjusting structure, the diameter is automatically adjusted through a horn-shaped guide part according to the thickness of a mooring rope, and when the ship is affected by stormy waves, the mooring rope is automatically adjusted. The diameter of the arc plate can be automatically adjusted according to the tensile force of the cable, unwinding buffering and rolling of the balls are achieved, cable abrasion is effectively reduced, the damage risk of stormy waves to the cable is reduced, the service life and safety of the cable under complex working conditions are guaranteed, in addition, bidirectional self-adaptive steering can be conducted along with ship swinging, excessive deflection is limited while ship swinging is allowed, and the service life of the cable is prolonged. It is ensured that the mooring rope is evenly and stably stressed, and the safety, reliability and operation efficiency of ship mooring are greatly improved.
Owner:JIANGSU XINHANG ELECTRICAL

Offshore floating type wind-light-wave-flow combined power generation system

The invention discloses an offshore floating type wind-light-wave-flow combined power generation system which comprises a semi-submersible type wind-wave-flow combined power generation device, a floating pipe type photovoltaic array and a connecting mooring, and the semi-submersible type wind-wave-flow combined power generation device is composed of a wind generating set, an overtopping type wave energy power generation device and an ocean current energy power generation device. The wind generating set is fixed to the overtopping wave energy power generation device, the ocean current energy power generation device is fixed to the lower portion of the overtopping wave energy power generation device, the overtopping wave energy power generation device floats on the sea surface, and the floating pipe type photovoltaic array is arranged around the semi-submersible type wind wave and current combined power generation device in the mode of floating on the sea surface. And the connecting mooring is used for mutually positioning and connecting the semi-submersible wind wave and flow combined power generation device and the floating pipe type photovoltaic array, and simultaneously positioning and connecting the semi-submersible wind wave and flow combined power generation device and the floating pipe type photovoltaic array with the seabed. Through deep coupling of wind, light and wave flows, three-dimensional utilization of sea space is achieved, and multi-energy efficient complementary power generation is achieved.
Owner:NANJING UNIV OF AERONAUTICS & ASTRONAUTICS

Floating wind semi-submersible with T-shaped pontoon

A moored floating offshore wind semi-submersible platform with at least three columns characterized in that columns are supported on a T-shaped underwater hull made up of two elongated pontoons, where one pontoon is perpendicular to the other pontoon and a method that allow that the semi-submersible platform is constructed in hull-assemblies and blocks at a first location, transported efficiently to a second location close to the final offshore location where the hull-assemblies and blocks may be assembled quay-side while floating in the water. The platform will support at least one wind turbine on a supporting structure (tower) but may also support two turbines and in the latter case the platform will be moored offshore with a mooring turret to allow the platform to align in a favourable direction to the wind.
Owner:BASSOE TECH AB

Annular floating fan system of dense tensioning type structure

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.
Owner:CHONGQING DALI CABLE TECH CO LTD

Reset system and reset control method for offshore floating energy island

The invention provides a resetting system and a resetting control method for an offshore floating energy island, and the resetting system comprises a counterweight adjusting module which comprises a servo motor, an annular mooring chain track and a counterweight block. The buoyancy adjusting module comprises air supply equipment and an air bag. And the thrust adjusting module comprises a horizontal thrust adjusting module and a vertical thrust adjusting module. And the monitoring module comprises a plurality of groups of sensors to monitor the position information of the energy island in real time. When the energy island is in vertical unbalance, the servo motor drives the balancing weight to move along the annular mooring chain track, and first-stage reset adjustment is carried out; further, the air supply equipment inflates and deflates the air bag for secondary reset adjustment; further, a vertical thrust adjusting module provides vertical thrust to carry out three-stage reset adjustment; when the energy island is horizontally unbalanced, the horizontal thrust adjusting module provides horizontal thrust and pushes the floating body main structure to achieve horizontal reset adjustment. According to the scheme of the invention, through a multi-stage reset strategy, the reset efficiency of the energy island and the adaptability in an extreme environment are improved.
Owner:CSIC INTERNATIONAL ENGINEERING CO LTD +1

Ocean mooring cable and anchor chain flaw detection inspection robot based on ocean temperature difference energy

The invention discloses an ocean mooring cable and anchor chain flaw detection inspection robot based on ocean temperature difference energy. The underwater inspection robot comprises an underwater inspection robot platform charging pile and a terminal. The underwater inspection robot is penetrated by the anchor chain and attached to the anchor chain to do reciprocating motion, and the inspection work of the underwater inspection robot is completed through real-time detection of the damage detector; the platform charging pile is installed on the side portion of the platform and makes contact with an anchor point of the anchor chain platform, and when the underwater inspection robot inspects to the sea surface, energy is supplemented through the platform charging pile; the terminal serves as a signal receiving end and is used for receiving and processing information detected by the underwater inspection robot. The ocean temperature difference energy is converted into the motion kinetic energy of the underwater inspection robot, so that the energy consumption in the anchor chain flaw detection process is reduced; meanwhile, through routing inspection of the anchor chain, the fracture risk caused by local damage of the anchor chain can be avoided; in addition, the reciprocating motion of the underwater inspection robot solves the problem of biological attachment corrosion of the ocean anchor chain, and the life cycle of the anchor chain is prolonged.
Owner:JIANGSU UNIV OF SCI & TECH +2

A synchronous detection system for intelligent identification of wire rope surface damage and diameter measurement

The present invention discloses an intelligent recognition and diameter measurement synchronous detection system for surface damage of wire ropes, which relates to the technical field of wire rope monitoring. By deploying a waterproof sensor group on the mooring wire ropes of ocean buoys, including a laser scanning sensor, a waterproof industrial camera, and an ultrasonic sensor, this system can collect real-time images and defect data sets of the wire rope surface. The sensor module combines a communication unit and an image processing unit, which can transmit data in real time and perform image processing and analysis to extract the damage texture features and damage area on the wire rope surface. Through an efficient threshold segmentation algorithm, the coating damage area can be accurately located R ( x , y ) and the total damage area can be calculated A damage . This intelligent recognition and image processing technology can effectively avoid the errors and delays of traditional manual detection, greatly improve the detection efficiency and accuracy, thereby identifying potential damage and faults earlier and reducing the risk of accidents
Owner:LUOYANG INST OF SCI & TECH +1

Starting berth identification method based on multi-source data weight algorithm

The invention discloses a starting berth identification method based on a multi-source data weight algorithm, which belongs to the field of waterway traffic, and comprises the following steps of: firstly, determining a preorder berth time threshold value, screening effective berth points by using double threshold values of navigational speed less than one section and berth more than one hour, constructing an effective berth point set, and finding an optimal center point; berths are matched through an electronic fence technology, cross-voyage redundant data are eliminated, adjacent same-name berth records are merged, berth point data are processed, and a preorder berth set is formed; and then constructing a weight algorithm, extracting an exchange value, a production place and a parking time weight value, performing normalization, performing weighted fusion according to a set weight to calculate a score, and determining the highest score as a starting parking space. The method realizes accurate positioning of the cargo loading and transporting starting point, and improves the identification precision and reliability.
Owner:SANYA SCI & EDUCATION INNOVATION PARK WUHAN UNIV OF TECH

Intelligent mooring method for inland anchorages

The present invention relates to an intelligent berthing method for inland anchorages, comprising the following steps: S1: a ship sends a berth application and obtains the ship's current information; S2: using the ship information to predict the ship's arrival time at each available anchorage; S3: collecting information on all currently moored ships at the anchorage and allocating berths to incoming ships based on the current berthing situation at the anchorage; S4: after a ship has moored, checking whether it has moored at the designated location as required; S5: after receiving a departure information, collecting the ship's departure time for use in allocating berths to subsequent incoming ships; and S6: upon reaching the scheduled departure time, the ship performs the departure operation. This method can predict ship arrival times and intelligently allocate berths to incoming ships, thereby reducing anchorage management costs, improving anchorage operation efficiency, and enhancing the intelligent construction of anchorages.
Owner:CCCC SECOND HARBOR CONSULTANTS CO LTD +1