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755 results about "Mooring system" patented technology

Mooring system for floating offshore wind power platform, monitoring system, and monitoring method

A mooring system for a floating offshore wind power platform, a monitoring system, and a monitoring method. The mooring system comprises a static mooring system and a dynamic mooring system. The static mooring system comprises three mooring cable bundles. Upright columns (1) are consistent with the centers of the mooring cable bundles. The dynamic mooring system comprises a power unit, propeller units (4), and a control unit. A group of propeller units (4) is installed below each upright column (1) of the platform, and each group of propeller units (4) comprises one to four propeller units (4). The monitoring system monitors the platform in real time, obtains the real-time motion level and mooring tension of the platform, and on the basis of offset and inclination requirements and mooring tension requirements of the platform in a real-time motion state, calculates the power required by the propeller units (4) for execution. A conventional mooring method is combined with a power positioning system to reduce the load on the mooring cables and reduce the maximum offset and the inclination angle of the platform foundation, benefiting both the efficiency and service life of dynamic cables and wind turbines.
Owner:SHANGHAI INVESTIGATION DESIGN & RES INST CO LTD

Method and system for analyzing and designing floating type wind power foundation structure

The invention discloses an analysis and design method and system for a floating type wind power foundation structure, and the method comprises the steps: selecting a part of section according to a preliminary design scheme of a floating type wind power foundation, and dividing the section into a plurality of floating body subareas; performing multi-body frequency domain hydrodynamic analysis on the floating body partition to obtain a multi-body hydrodynamic coefficient; calculating a rigidity coefficient at a part of the cross section; a wind turbine generator, a tower drum, a mooring system and the floating type wind power foundation are built into a multi-body coupling model, floating type wind power system time domain coupling analysis is conducted, internal force and stress of part of sections are calculated, the strength of the part of sections is checked, and the design scheme of the floating type wind power foundation is determined. According to the method, on the basis of floating body partition of the floating type foundation, the floating type foundation serves as a multi-body system composed of the multiple rigid bodies, the internal force at the connecting cross section of the multiple rigid bodies is obtained during time domain coupling analysis, analysis and design of the floating type wind power foundation structure are improved, and the design precision and the safety coefficient of the floating type wind power foundation structure are improved.
Owner:华能烟台新能源有限公司 +3

Mooring system

Anchoring system for floating platform (100) that eliminates pitching and rolling movements of the floating platform (100), by means of several anchoring lines (200) attached to the seabed (5), which are supported by several rotary fixing means (2, 3) or pulleys of the floating platform (100) and are all joined together in a common counterweight (1) hanging from the platform (100). Each anchoring line (200) comprises sublines (200d, 200c) (direct, crossover or diagonal), which keep the counterweight (1) always in correspondence with the central axis (300) of the floating platform (100). It also eliminates the pendulum movement of the counterweight (1) and is valid for floating platforms (100) with an odd number of protruding structural arms (12). The system is applicable to any type of floating platform (100), although it is particularly suitable for floating platforms that support offshore wind turbines and marine leisure platforms.
Owner:GAZELLE WIND POWER LTD

Design and construction method of marine suspension data center

The invention discloses a design and construction method of an in-sea suspension data center, and belongs to the field of seabed data center construction. The suspension data center is designed and built through five parts including a pipe gallery square cabin cluster, a cooling system, an anchoring system, a tension key system and a ballast floating control system; the method has the advantages that the data center of the method can suspend at different depths in seawater and is not limited to the seabed any more; by adjusting the height of the suspension center, the heat dissipation efficiency of the data center can be greatly improved; compared with a seabed data center, heat is dispersed into seawater of different depths, heat diffusion is accelerated, and the system is more environmentally friendly.
Owner:CCCC FOURTH HARBOR ENG INST CO LTD

Fabricated floating ecological breakwater combined with artificial fish reef

The invention provides an assembly type floating ecological breakwater combined with an artificial fish reef, the breakwater is mainly composed of a floating wave blocking structure, a mooring system and an anchoring structure combined with the artificial fish reef, a three-dimensional multi-layer wave blocking structure from the water surface to the water bottom is formed, and formation of a rich and stable ecological system is facilitated. The prefabricated structure is adopted, all the components can be transported to a designated sea area to be assembled and launched after being manufactured in a land prefabrication site, and the advantages of being convenient to construct, low in manufacturing cost, environmentally friendly and the like are achieved.
Owner:ZHONGCHUAN NO 9 DESIGN & RES INST

Novel five-stand-column semi-submersible wind power foundation and mooring system thereof

The invention provides a novel five-stand-column semi-submersible type wind power foundation and a mooring system thereof. The novel five-stand-column semi-submersible type wind power foundation comprises an X-shaped buoyancy tank, side stand columns are arranged at the four ends of the X-shaped buoyancy tank, a center stand column is arranged in the center of the X-shaped buoyancy tank, and the four side stand columns are distributed in a central symmetry mode relative to the center stand column; a tower drum is arranged on the center stand column, and a wind turbine generator set is arranged at the top end of the tower drum and converts wind energy into electric energy. An outer platform is further arranged on the peripheral face of the joint of the center stand column and the tower drum. The number of side stand columns providing stability in the prior art is increased from three to four, and the waterplane inertia moment is increased by nearly 50% under the condition that the waterplane area is not changed; the stress of the structure is completely transferred to the X-shaped floating box, so that the gravity center of the structure is lowered; meanwhile, communication of the side stand columns and the middle stand columns is achieved through the design that the deck channel and the outer platform are staggered in elevation, and follow-up operation and maintenance are guaranteed; and finally, '8 * 1 'distributed mooring is put forward to replace '4 * 2' symmetrical mooring, and mooring constraint optimization is guaranteed.
Owner:SHANGHAI INVESTIGATION DESIGN & RES INST CO LTD +2

A kind of photovoltaic mooring equipment on water, mooring system and installation method

The present invention discloses a water photovoltaic mooring equipment, a mooring system and an installation method. The water photovoltaic mooring equipment includes a buffer component, a sliding component, an adaptive retractable component and a vertically arranged pile frame group. A vertical perforated sliding frame is arranged on the pile frame group. A buffer component is installed at each of the upper and lower ends of the perforated sliding frame. The sliding component is slidably installed in the perforated sliding frame and is located between two buffer components. The sliding component moves up and down in the perforated sliding frame as the sea level rises or falls. The sliding component is connected to the adaptive retractable component, and the adaptive retractable component is connected to a photovoltaic support. The present invention adopts the water photovoltaic mooring equipment, which is suitable for shallow sea areas with complex water environment, large water depth variation range, large morning and evening tidal difference, and large wind and waves.
Owner:XIAERTELA ENERGY CO LTD

Deep and far seawater suspension oil and liquid storage device and underwater oil storage method thereof

According to the deep and far seawater suspension oil and liquid storage device and the underwater oil storage method thereof, a layered tank body structure is adopted, and a load adjusting cabin, a flexible oil storage cabin and a water storage cabin are arranged from top to bottom. The load adjusting cabin is used for dynamically adjusting the net buoyancy of the device through seawater feeding / discharging to reduce the load of the mooring system; the oil storage cabin adopts a flexible storage bag to adapt to volume change and is linked with the water storage cabin through a movable composite heat preservation partition plate, the partition plate comprises an active heating layer and a phase change material layer, when the oil temperature is too low, the active heating layer directionally heats crude oil, the phase change layer absorbs dissipated heat, latent heat is released during external low-temperature impact to buffer temperature drop, and dynamic temperature control is achieved. The device is moored and fixed through a gravity anchor, and multiple types of sensors are arranged to monitor the posture, stress, oil temperature and leakage state of the tank body in real time. The problems of oil storage tank deformation, high pour point oil heat preservation and mooring stability under the deepwater high-pressure environment are solved, and the device has the advantages of being low in construction cost, high in environmental adaptability and efficient in operation and maintenance and is suitable for safe storage and transportation of deep and far sea oil and gas resources.
Owner:TSINGHUA SHENZHEN INTERNATIONAL GRADUATE SCHOOL

Mooring hook device-integrated system

The present invention relates to a mooring system and, more specifically, to a mooring hook device-integrated system which includes a plurality of mooring hook devices allowing rapid unmooring, and individual and comprehensive control from short and long distances, and additionally, the system comprises a monitoring system allowing automatic AI control.
Owner:HWANG DAE CHUL

Floating platform tension leg mooring system

The invention relates to the technical field of mooring equipment, in particular to a floating platform tension leg mooring system which comprises at least three sets of tension tendons connected with a floating platform, and each tension tendon is composed of a steel cable locking device, a steel cable, a mooring connecting arm and a universal joint base from the upper platform end to the lower anchoring end. The tension tendons are connected with the floating platform through the steel cable locking devices, accurate adjustment of tension is achieved through the tension adjusting locking connectors, the tension consistency of the tension tendons is achieved, the tension adjusting locking connectors can be locked on the steel cable locking devices, and one ends of the tension adjusting locking connectors are directly connected with the steel cables. According to the floating platform tension leg mooring system, through the design of the tension adjusting locking connectors, the tension of each group of tension tendons can be accurately adjusted, and it is ensured that the tension of each group of tension tendons is kept consistent. Therefore, the stability and the reliability of the whole mooring system are improved, and the platform movement deviation caused by uneven tension is reduced.
Owner:OFFSHORE OIL ENG CO LTD

Rapid optimization design method for deep and far sea floating type offshore integrated platform mooring system

PendingCN120124125AGeometric CADDesign optimisation/simulationPython (programming language)Mooring system
The invention relates to a rapid optimization design method for a deep and far sea floating type offshore integrated platform mooring system, which comprises the following steps of: preliminarily designing a mooring scheme according to environmental conditions such as wind waves and flows and requirements such as an integrated platform design foundation, and then performing corresponding optimization; the specific optimization process comprises the steps that the non-dominated genetic algorithm and numerical calculation software are combined, the optimization process is divided into static analysis and dynamic analysis, static analysis is conducted firstly to reduce the initial range of parameters, then dynamic analysis is conducted to determine the optimal design scheme, the genetic algorithm and mooring analysis software are combined on the basis of the Python programming language, and the optimal design scheme is obtained. In the whole analysis process, only an initial parameter range needs to be set, the optimal design scheme in the parameter range can be obtained, and intelligent optimization of the design scheme of the mooring system is achieved.
Owner:DONGFANG ELECTRIC(FUJIAN)INNOVATION INST CO LTD

Floating fan anchor chain optimization method and device based on genetic algorithm and medium

The invention relates to the field of ocean energy development, and discloses a floating fan anchor chain optimization method and device based on a genetic algorithm and a medium, and the method comprises the steps: obtaining the installation data of a floating fan system; based on the installation data of the floating fan system, a full-coupling numerical model of the mooring system is established by adopting CFD software; a genetic algorithm is adopted to optimize the full-coupling numerical model, and mooring optimization parameters are obtained; the mooring optimization parameters are applied to actual installation of the floating type draught fan system; according to the method, the high-precision full-coupling numerical model is established through the advanced CFD technology, the performance of the floating fan system in the complex marine environment is comprehensively and accurately predicted and evaluated, meanwhile, the mooring system is optimized through the genetic algorithm, the optimal parameter combination is found, the stability and reliability of the system are greatly improved, and the method is suitable for popularization and application. Powerful support is provided for application and development of the floating fan technology under deep sea and severe sea conditions, and remarkable beneficial effects are achieved.
Owner:中国地质大学深圳研究院

Gravity type variable-length seabed single-point mooring connecting device of floating fan

A gravity type variable-length seabed single-point mooring connecting device of a floating fan comprises a floating body with at least two pulley fairlead devices, a single-point anchor arranged on the seabed and connected with a rotatable device, and at least one weight located in water below the floating body. Wherein the heavy block is connected with the single-point anchor through a mooring rope passing through the pulley fair lead. The offshore mooring system is small in seabed coverage area, environment-friendly, high in mooring system efficiency, safer, more reliable, practical and feasible, has a wind indicator function, and can be used for offshore mooring positioning of the floating type wind power platform with the water depth ranging from 50 m to 300 m or even larger than 1500 m.
Owner:SHANGHAI JIAOTONG UNIV

Tension leg type offshore wind power platform and tendon dynamic balance adjusting method

The invention discloses a tension leg type offshore wind power platform and a tendon dynamic balance adjusting method.The wind power platform comprises a center stand column, side buoys, a floating bridge and tendons, a plurality of ballast tanks are arranged in the floating bridge and the side buoys, and a plurality of emergency water inlets are formed in the bottom of the floating bridge and the tops and the bottoms of the side buoys; a ballast tank communicating opening which can be selectively communicated with the buoy ballast tank is formed in the lower part of the floating bridge ballast tank close to the buoy; and a ballast system is arranged in each ballast tank, and the ballast systems can be used for carrying out pressure discharge on the ballast tanks or selectively transferring water in any ballast tank to other ballast tanks. The internal ballast can be selectively adjusted through a natural flowing mode and / or a mechanical mode based on the tendon tension, the tendon failure position and the tendon failure number can be judged, an emergency control strategy is formulated according to the tendon failure condition, the service life of a mooring system is prolonged, and the safety of the mooring system is improved. And the self-storage performance of the tension leg platform can be improved when the mooring system breaks down.
Owner:HARBIN ENG UNIV +1

Multi-wing-plate shared mooring anchor foundation suitable for wave energy device

The utility model discloses a multi-wing-plate shared mooring anchor foundation suitable for a wave energy device, and relates to the technical field of ocean engineering, the multi-wing-plate shared mooring anchor foundation comprises an anchor cover located on the upper portion, a sleeve in the middle and a shared anchor foundation on the lower portion, the anchor cover comprises a circular plate, a connecting rod arranged on the top face of the circular plate and a cylinder arranged on the bottom face of the circular plate, and the cylinder is sleeved with the sleeve. The sleeve is connected with the anchor cover through a chain, the shared anchor foundation is a barrel with two open ends, a wing plate is arranged on the outer wall of the barrel in the axial direction, an inserting groove matched with the wing plate is formed in the lower portion of the sleeve, the sleeve is sleeved with the barrel, and a plurality of anchor eye connecting anchor chains are arranged on the outer wall of the barrel to form an array group shared anchoring system. After the shared mooring anchor foundation penetrates into a seabed by a certain depth, the anchor cover and the sleeve are lifted and removed, the shared anchor foundation is embedded in the seabed, the anchor cover and the shared anchor foundation are both installed in the sleeve, vertical penetration and lifting can be better achieved, the anchor cover and the sleeve are connected through the chain, internal suction force can be released during lifting, and the anchor cover and the sleeve are connected through the chain. And the dismounting difficulty is effectively reduced.
Owner:POWERCHINA HUADONG ENG CORP LTD

A system and method for measuring real-time meteorological and oceanographic data using a buoyage network

PCT designated stage expiredWO2025115027A1BreakwatersWaterborne vesselsInternal memoryMooring system
The present invention provides a system for measuring real-time meteorological and oceanographic data using a buoyage network for smart ports and harbours. It consists of a moored floating station or moored buoy, or network of buoy-based measurement stations (A) moored at the port or harbour waters with the marine navigation and land-based measuring station (B) mounted at jetty or wharf or quay wall of port and harbours. The buoy-based system (A) is equipped with a cylindrical steel buoy structure featuring a mast (7) and is secured using a two-point mooring system. The present system comprises of an integrated monitoring and data transmission system that collects the real-time meteorological and oceanographic data from the sensors and processes the acquired data based on calibration, enabling accurate and reliable measurements. The processed data is then stored in the system's internal memory for analysis and transmitted to a remote-control station.
Owner:INDIAN INST OF TECH MADRAS

Combined type shared mooring system of wave energy device array

A combined type shared mooring system of a wave energy device array comprises a wave energy device basic module and a shared mooring module, and the wave energy device basic module comprises a buoy, a main floater, a power generation chamber cabin and a mooring chassis which are arranged in a matched mode; a buoy is arranged above the power generation chamber cabin, the main floater is fixedly connected with the power generation chamber cabin, and a closed space is formed in the main floater and can provide buoyancy for the wave energy device. The buoy reciprocates under the action of waves to drive the wave energy device in the power generation chamber cabin to generate power; the mooring chassis is in a regular hexagon shape, is formed by welding steel frames and is fixedly installed at the bottom of the power generation chamber cabin. The shared mooring module comprises a shared mooring rope, a bottom mooring rope, an anchor chain, an anchoring base station, a buoyancy adjusting oil bag, a shared mooring balancing weight and a bottom mooring balancing weight, wherein the shared mooring balancing weight and the bottom mooring balancing weight are arranged in the middle of the mooring rope.
Owner:SHANDONG UNIV

Integrated modeling method and system for floating fan and medium

The invention discloses an integrated modeling method and system for a floating type fan and a medium. An integrated modeling method for a floating type draught fan comprises the steps that an initial model of the floating type draught fan is obtained, and the floating type draught fan comprises an upper draught fan system, a tower, a floating type platform and a mooring system; and converting the initial model of the floating type fan into an integrated model of the floating type fan, including: converting the initial model coordinates of the upper fan system into the coordinate system of the tower to form a model of the upper fan system part in the integrated model; converting the initial model coordinates of the floating platform to a coordinate system of the tower to form a model of the floating platform portion in the integrated model; transforming initial model coordinates of the mooring system to a coordinate system of the tower to form a model of the mooring system portion in the integrated model; and constructing an integrated model based on the converted models of the upper fan system part, the floating platform part and the mooring system part and the initial model of the tower.
Owner:SHANGHAI JIAOTONG UNIV

Mooring system and wind generating set

The utility model relates to a mooring system and a wind generating set, the mooring system is used for being connected with a floating foundation, the mooring system comprises a first mooring assembly and a second mooring assembly, the first mooring assembly comprises a first anchor chain and a first counterweight part, the first counterweight part is connected to the first anchor chain, the first anchor chain comprises a first end part and a second end part, and the first end part is used for being connected with the floating foundation; the second mooring assembly comprises a fiber cable and a floating body, the floating body is arranged on the fiber cable, and one end of the fiber cable is connected with the second end of the first anchor chain; the third mooring assembly comprises a traction section and an anchoring part, one end of the traction section is connected with the end, away from the first anchor chain, of the fiber cable, the other end of the traction section is connected with the anchoring part, and the traction section comprises one of a steel wire rope and a second anchor chain. The embodiment of the utility model provides a mooring system and a wind generating set, the mooring system can be suitable for shallow water requirements, and the reliability of the mooring system can be improved.
Owner:ZHEJIANG GOLDWIND SCI & TECH CO LTD

Floating type photovoltaic wave energy power generation platform with wave absorbing device

The invention discloses a floating type photovoltaic wave energy power generation platform with a wave absorbing device. The floating type photovoltaic wave energy power generation platform comprises a main platform, the wave absorbing device, a wave energy device and an adaptive mooring system. The top of the main platform is provided with photovoltaic panel power generation equipment used for solar power generation. Wave absorbing devices are arranged on the circumferential outer side of the main platform at intervals in a surrounding manner; the wave absorbing device is flexibly connected with the main platform through a plurality of connecting cables; a plurality of wave energy devices are arranged in the wave absorbing device; the main platform and the wave absorbing device are respectively connected with the adaptive mooring system; and the adaptive mooring system is used for improving the wind wave resistance of the main platform and the wave absorbing device. According to the floating type photovoltaic wave energy power generation platform with the wave absorbing device, photovoltaic power generation and wave energy power generation are integrated, the safety can be improved through the wave absorbing device, the power generation efficiency is improved, meanwhile, the external environment load can be better resisted, and the floating type photovoltaic wave energy power generation platform with the wave absorbing device has great practical significance.
Owner:TIANJIN UNIV

Floating structure anchoring system design analysis method suitable for shallow water condition

The invention provides a floating structure anchoring system design analysis method suitable for a shallow water condition, and particularly belongs to the technical field of floating equipment mooring. The method comprises the steps that firstly, the platform deformation energy requirement is calculated according to a platform structure type, and the residual deformation energy of an anchoring line configuration scheme is calculated based on the deformation energy principle; preferably selecting an anchoring scheme with the maximum residual deformation energy; then, based on a numerical method of a viscous flow theory, an overlapping grid method is coupled with a mooring cable dynamic simulation method, the floating structure motion response and the anchoring safety coefficient of the optimal scheme are checked, the layout scheme of the mooring system is determined through the scheme design and safety checking process, the whole design process is scientific and meticulous in logic, and the design efficiency is high. The method is high in performability and has practical engineering application guiding significance.
Owner:HARBIN ENGINEERING UNIVERSITY SANYA NANHAI INNOVATION & DEVELOPMENT BASE +1

Single point mooring system liquid slip ring spring energy storage sealing ring optimization design method

The invention relates to the technical field of electric digital data processing, in particular to a single point mooring system liquid slip ring spring energy storage sealing ring optimization design method which comprises the following steps: establishing a two-dimensional axial symmetry model of a liquid slip ring spring energy storage sealing ring; the peak contact stress, the linear contact stress and the maximum shear stress of the liquid slip ring spring energy storage sealing ring under the actual working condition are obtained; establishing a sealing performance evaluation system of the liquid slip ring spring energy storage sealing ring; screening out key structure parameters to form a data set; constructing a back-propagation neural network model, training the weight and bias of the back-propagation neural network model, evaluating the trained back-propagation neural network model, and finally obtaining an optimal parameter combination and a finite element model based on the optimal parameter combination. According to the method, the optimal parameter combination meeting the sealing performance requirement can be determined, so that the overall sealing effect is improved, and the sealing reliability is improved.
Owner:TIANJIN UNIV

Moon pool and platform coupled hydrodynamic calculation method, device, medium and equipment

The invention relates to a moon pool and platform coupled hydrodynamic calculation method and device, a medium and equipment. The method comprises the following steps: establishing a platform model without a moon pool; solving the space velocity potential of the flow field in the platform model; inputting physical attribute parameters of a mooring and riser system into the platform model, establishing a platform mooring system model, and completing initialization; solving wave force, mooring tension and riser acting force of each order borne by the platform model under the initial time step length; solving a platform coupling motion equation of the platform model, which does not contain the acting force of fluid in the moon pool, and obtaining six-degree-of-freedom motion displacement of the platform model; completing initialization of a flow field; assigning the six-degree-of-freedom motion displacement of the platform model as the six-degree-of-freedom motion of the overlapped grid region; solving nonlinear motion of a water body in the moon pool, and obtaining parameters including fluid pressure to obtain fluid acting force in the moon pool; and solving a time domain motion equation of coupling of the moon pool and the platform, and carrying out repeated iteration until the last step of time calculation is completed.
Owner:CHINA NATIONAL OFFSHORE OIL (CHINA) CO LTD +1

Variable-length constant-tension mooring system and method

The invention discloses a variable-length constant-tension mooring system and method for a floating type offshore structure, and the system comprises a variable-length constant-tension mooring theoretical normal form, i.e., when a floating body horizontally shifts from an initial balance position, the tension of a mooring cable in the mooring system is kept at a constant value, and the tension of the mooring cable in the mooring system is kept at a constant value; meanwhile, the physical length of the mooring rope between the floating body mooring point and the seabed anchor point is allowed to change along with the change of the horizontal deviation of the floating body; the invention discloses a shared single-anchor variable-length constant-tension mooring system and method. The shared single-anchor variable-length constant-tension mooring system comprises a self-installable shared concrete gravity anchor located on a seabed, a plurality of mooring cables / chains with constant tension and variable lengths and a plurality of corresponding constant-tension fair lead devices connected to a floating body. A multi-anchor variable-length constant-tension mooring system comprises a plurality of anchors symmetrically arranged on a seabed, a plurality of corresponding mooring cables / chains with constant tension and variable length and a corresponding constant-tension fair lead device connected to a floating body.
Owner:SHANGHAI JIAOTONG UNIV

Suspended ballast type floating offshore wind power foundation adapting to water depth and using method

The invention discloses a suspended ballast floating type offshore wind power foundation suitable for water depth and a using method, and belongs to the technical field of floating type offshore wind power generation. The wind power foundation comprises a three-stand-column semi-submersible foundation, a mooring system and a control system, and the three-stand-column semi-submersible foundation comprises three vertical stand columns, a supporting rod and a ballast caisson; the ballast caisson is connected with a sliding rail arranged on the side wall of the vertical stand column through a sliding rope, so that the ballast caisson moves up and down relative to the vertical stand column, the position of the ballast caisson is adjusted through a control system, and then the gravity center position and the draft depth of the foundation are adjusted so as to adapt to different environmental conditions, and the stability and the anti-overturning capacity are ensured. The use method comprises the steps of monitoring environmental conditions, calculating overturning moment, calculating anti-overturning moment, adjusting the depth of the ballast caisson and recording and analyzing data, the required moving depth of the ballast caisson is reversely deduced by calculating the overturning moment to ensure that the gravity center and the buoyancy center of the foundation are kept at proper positions, and the risk of overturning of the foundation is reduced.
Owner:CCCC FOURTH HARBOR ENG INST CO LTD

Novel offshore wind-light-wave energy comprehensive complementary power generation structure system

The invention discloses a novel offshore wind-light-wave energy comprehensive complementary power generation structure system which comprises a vertical axis wind power generation module, a solar photovoltaic power generation module, a point absorption type wave energy power generation module, a floating platform and a mooring system. A point absorption type wave energy power generation device is arranged in the middle of the floating platform, and the mooring system is connected with the floating platform so as to keep the floating platform at the sea position. According to the novel offshore wind-light-wave energy comprehensive complementary power generation structure system, wind energy, solar energy and wave energy can be fully utilized, the cost per kilowatt-hour is effectively reduced, pollution and consumption are avoided, and application and popularization are suggested.
Owner:GUILIN UNIVERSITY OF TECHNOLOGY

Ship hydrodynamic response numerical simulation method and system considering effects of complex wave field and automatic mooring system

The invention relates to the technical field of numerical simulation ship response, in particular to a ship hydrodynamic response numerical simulation method and system considering the effects of a complex wave field and an automatic mooring system. Firstly, ship radiation potential and hydrodynamic coefficients are obtained based on a three-dimensional potential flow theory and a boundary element method, and wave field information at a berth is obtained in combination with a Boussinesq wave theory; the time domain wave force is solved through the Haskind-Relation theory, and an automatic mooring numerical model integrated with a PD controller is established to calculate the automatic mooring force and torque; and finally, constructing a ship six-degree-of-freedom time domain motion equation based on the data, and solving by adopting a four-order Runge-Kutta method to obtain a time domain response result. The hybrid Boussinesq-Panel technology is adopted, the wave disturbance evaluation accuracy is improved, the blank that existing simulation does not consider an automatic mooring system sufficiently is filled up, arrangement, parameters and control strategies of the automatic mooring device can be flexibly adjusted and secondarily developed, applicability and flexibility are high, and the method is suitable for large-scale popularization and application. And reliable decision support can be provided for procurement and deployment of automatic mooring equipment of a port.
Owner:DALIAN UNIV OF TECH

Watercraft mooring system

A watercraft mooring system comprising a plurality of interchangeable mooring members for the temporary mooring of one watercraft to another watercraft or one watercraft to a stationary object such as a dock. The interchangeable mooring members comprising connecting rod member embodiments with adjustable lengths and connecting rod members without adjustable lengths, vacuum-handle member embodiments that provide an initial vacuum and a continuous vacuum to one or more vacuum cup assemblies, and a cleat connector member embodiment that is interchangeable with a vacuum-handle member. Embodiments of vacuum-handle member providing up to three points of omni-directional pivot functionality between the present invention and a temporarily moored watercraft.
Owner:CERAOLO CHRISTOPHER G

Constant tension mooring control integrated simulation method and digital prototype system

The invention discloses a constant tension mooring control integrated simulation method and a digital prototype system. The system comprises an integrated simulation model, a three-dimensional visualization system, a QT interaction interface and an AQWA verification model. According to the integrated simulation model, sub-simulation models of ships, constant tension winch control, mooring and environment are constructed and integrated through OpenModelica, a multi-physics field coupled integrated simulation model is established, and integrated simulation of the constant tension mooring control system is achieved; the three-dimensional visualization system builds a three-dimensional virtual model of a ship, a winch, a mooring rope, a wharf and a marine environment based on a Unity 3D virtual engine, and three-dimensional visual dynamic display of a simulation result is realized; the QT interaction interface is combined with visual dynamic presentation, and ship motion, winch state and other parameters and control PID parameters are displayed in real time. According to the invention, joint dynamic analysis and control optimization of the ship mooring system in a complex marine environment are realized.
Owner:JIANGSU UNIV OF SCI & TECH

Floating photovoltaic mooring method and mooring device

The invention relates to the field of floating type photovoltaics, and discloses a floating type photovoltaic mooring method and device, and according to the mooring method, an anchoring point, a mooring rope and an adjusting assembly are provided; an anchoring point is arranged at the preset elevation of the bank slope, the first end of a mooring rope is fixedly connected to the anchoring point, and the second end of the mooring rope is connected with the floating photovoltaic module; the tension value F of the mooring rope is monitored in the water level change stage, the tension of the mooring rope is dynamically adjusted through the adjusting assembly, water is automatically injected / drained according to the water level change to maintain the pre-tightening tension F1, and the mooring rope and the floating type photovoltaic assembly are limited. The device can adapt to water level fluctuation, automatic sliding adjustment is achieved through gravity and buoyancy balance by means of the floating body, elastic elements are not needed, and fatigue failure can be avoided; closed-loop adjustment is formed by monitoring tension feedback of the mooring rope, and it is ensured that the mooring system is in the optimal tensioning state all the time. Moreover, a sliding rail or an anchoring point does not need to be arranged on the reservoir wall, the anti-seepage layer is protected, and the reservoir basin anti-seepage structure is prevented from being damaged.
Owner:CHINA THREE GORGES CORPORATION