1485 results about "Floating platform" patented technology

The invention discloses an industrial mechanical arm tool changing operation monitoring system based on digital twinning, and relates to the technical field of digital twinning. The system establishes a complete digital twinning model by integrating a floating platform model, a mechanical arm model and a tool changing device model; and a sensing sensor group is arranged to acquire real physical world data of the platform, the mechanical arm and the tool changing device in real time. The data are transmitted to a digital twin model in real time for processing and simulation, so that the virtual world state and the physical world state can be bidirectionally synchronized. According to the highly integrated monitoring mode, the resonance risk between the platform and the mechanical arm and the change of the tool locking trend can be recognized in time. Through an effective risk early warning and adjusting mechanism, the system can ensure the accuracy and safety of tool changing operation, and tool changing failure or equipment damage caused by resonance or abnormal locking is avoided, so that the production efficiency is improved, and the downtime is shortened.

The invention discloses a floating wind power platform self-energized carbon capture and deep sea sealing integrated system, which comprises a floating platform foundation, which comprises a plurality of buoy parts, and the buoy parts are integrated through connecting parts; the double-path carbon capture subsystem comprises an air carbon capture module and a seawater carbon capture module; the air carbon capture module introduces air into the adsorption module through negative pressure, and selectively adsorbs CO2 in the air; the seawater carbon capturing module is used for separating out CO2 from seawater in an electrochemical separation mode; the carbon sequestration subsystem is used for compressing, liquefying and sequestration the CO2 conveyed by the double-path carbon capture subsystem; and the wind power function subsystem comprises a wind power generation tower and power distribution equipment for supplying power to each subsystem. The platform is reasonable in configuration and high in function integration degree, has the advantages of wind energy driving, autonomous operation, continuous carbon capture, on-site storage and the like, is particularly suitable for deep and far sea areas without seabed pipe networks and far away from shore-based power grids, and can be used for application scenes such as wind power plant carbon compensation and ocean carbon removal.

The invention relates to a floating platform for mechanically cleaning marine organisms. The floating platform integrates a floating body platform, a crane, a net bag cleaning device, a flat net cleaning device, a garbage collecting net bag, a power device and the like. The net bag cleaning device and the flat net cleaning device are used for cleaning sundries of the intercepting net bag and the plane intercepting net respectively, the sundries are rapidly and effectively conveyed to the garbage collecting net bag in a suction mode, and follow-up unified treatment and transportation are facilitated. The platform is provided with a hydraulic winch and a cable, and movement flexibility and stability are enhanced. The hydraulic winch quickly adjusts the position of the platform by winding and unwinding the cable to adapt to different operation scenes, and the underwater anchor block provides a reliable anchoring point for the cable to prevent the platform from drifting. Besides, the platform is provided with a pipe reeling device, the releasing length of an operation pipeline can be accurately controlled, smooth extension and orderly retraction of the pipeline are ensured, adaptability and flexibility are enhanced, and the floating platform for mechanically cleaning the marine organisms has the advantages of being efficient, stable and flexible and can effectively meet various complex environments and cleaning requirements.

The invention belongs to the technical field of comprehensive utilization of ocean renewable energy sources, and particularly relates to a pilot frequency coupling-based wind wave energy multi-degree-of-freedom broadband control method, which comprises the following steps of: performing frequency domain identification on wind wave environment characteristics, and constructing a wind wave pilot frequency energy coupling model; based on the motion response characteristics of the multi-degree-of-freedom floating platform, designing a pilot frequency energy regulation and conversion mechanism; a full-working-condition dynamic optimization control strategy is adopted, and cooperative operation and energy flow self-adaptive distribution of the wind energy conversion unit and the wave energy conversion unit are achieved. Aiming at the significant difference and relevance of wind energy and wave energy in frequency characteristics, time scale and spatial distribution, a pilot frequency wind wave coupling dynamic model is established, and broadband capture of low-frequency wind-induced and high-frequency wave-induced coupling energy is realized under complex sea conditions through multi-degree-of-freedom motion decoupling and state observation, so that the wind-induced and high-frequency wave-induced coupling energy is obtained. The energy utilization rate, the attitude stability and the structural safety of the system are effectively improved, and good robustness and engineering adaptability are achieved.

The invention relates to the technical field of offshore wind power, in particular to a launching and undocking construction method for a floating platform. Comprising the following steps: closing a dock gate, and injecting water into a dock until a floating platform floats; the semi-submersible barge dives, so that a deck of the semi-submersible barge is lower than the bottom surface of the floating platform; the floating platform is moved to the position above the semi-submersible barge; the semi-submersible barge floats until the floating platform is piled on the deck; and the dock gate is opened to drive the semi-submersible barge and the floating platform to pass through the dock entrance together. The first dock area and the second dock area assembly which are connected and the launching floating platform are utilized, and the problems that an existing small dock cannot meet the launching requirement of a large-size floating platform, and a large dock is difficult in production scheduling and long in occupied production period can be solved; the semi-submersible barge lightering wind power foundation platform is used, long-distance transportation of the wind power foundation platform can be achieved, the wind power foundation platform can be conveniently moved to wind power plants all over the world, offshore wind power installation is completed after a fan unit is hoisted nearby, large-scale production is achieved, cost is reduced, and the construction period is shortened.

The invention discloses a wind turbine blade flutter characteristic calculation method based on joint simulation, and relates to the technical field of wind power generation. The method comprises the following steps: S1, reading structural body data of a wind turbine blade, and extracting parameters such as a spanwise position, an airfoil profile coordinate and aerodynamic characteristics of the blade; s2, full-automatic parametric modeling of the blade is achieved through a parametric modeling tool, and a related input file is generated; s3, based on an unsteady blade element momentum theory, aerodynamic force and torque responses of the blade at different spanwise positions are calculated step by step; s4, standardized calculation steps are packaged through a programmed method, personal errors are reduced, and calculation efficiency is improved; s5, designing a cabin interface, a tower interface and a floating platform interface, and realizing flexible data interaction and expansion among modules; and S6, dynamic response analysis is combined, and flutter characteristics of the wind turbine in a complex load environment are simulated. According to the method, the calculation process of wind turbine blade flutter characteristic analysis is accelerated, and the analysis precision and the calculation efficiency are improved. Through programmed and modular design, the flutter simulation of the wind turbine blade can be quickly and accurately completed, and a scientific basis is provided for structural optimization of the blade and safety design of a wind turbine system.

The invention relates to the technical field of fishery water conservancy and hydropower engineering, and discloses a floating type fish collecting device for water conservancy and hydropower engineering, which comprises a floating platform, a net cage fixedly connected to the bottom of the floating platform, a support frame fixedly connected with the net cage and arranged on the bottom of the floating platform, and a plurality of groups of fish inlets arranged on the net cage; the fish luring mechanism is arranged on the floating platform, a feeding assembly is arranged on the side, close to the net cage, of the fish luring mechanism, a bait bag is connected to the feeding assembly, and the fish luring mechanism drives the bait bag to evenly rotate in the net cage through the feeding assembly; the inner gear ring is arranged on the outer wall of the floating platform, a linkage mechanism connected with the inner gear ring is arranged on the floating platform, and a fish collecting assembly is arranged on the side, close to the net cage, of the inner gear ring; according to the device, the diffusion effect of bait can be improved, waste of the bait is reduced, meanwhile, the trapping range of fishes is expanded, vigilance of the fishes is reduced, and the fish trapping effect of the device is improved.

The invention provides an aerial photovoltaic system and a high-efficiency energy management method thereof, and the system comprises a self-adaptive floating platform, a high-efficiency light photovoltaic module, a linear energy transmission system and an intelligent attitude regulation and control and flight control system, and is based on an AI meteorological data prediction algorithm and in combination with a GPS / Beidou positioning module. A servo motor, a telescopic cable and an electric propulsion fan are driven to adjust the orientation of the photovoltaic panel and the height of the platform; according to the energy storage and management system, a solid-state lithium battery and a hydrogen fuel battery are combined, electric energy distribution is optimized, and dynamic balance of photovoltaic power generation, energy storage and wireless transmission is achieved. Through dynamic adjustment of the suspension height, intelligent illumination tracking and efficient wireless power transmission, the problems that traditional ground photovoltaic land occupation is limited and transmission loss is high are solved, light weight, wind resistance stability and day and night power supply capacity are achieved, and the power generation efficiency and environmental adaptability are greatly improved.

The invention belongs to the technical field of ocean engineering, and particularly provides an offshore floating platform and a modular multifunctional offshore floating platform system.The offshore floating platform comprises a main body structure layer, a building module layer and a floating body layer, and the main body structure layer is provided with a plurality of buffer assemblies; the buffering assembly comprises a fixing sleeve, a supporting rod and a buffering mechanism. The buffer mechanism is arranged in the fixed sleeve, a flowing gap is reserved between a lantern ring of the buffer mechanism and a vertical rod of the I-shaped section of the supporting rod, and the flowing gap is filled with magnetorheological fluid; the lantern ring comprises a middle fixed section, a first flexible section and a second flexible section; the first pneumatic sleeve is positioned on the outer side of the first flexible section; the second pneumatic sleeve is positioned on the outer side of the second flexible section; and the winding coil is wound on the circumferential outer wall of the middle fixed section. The offshore floating platform can counteract vertical fluctuation energy caused by the action of waves or tides in real time, so that vertical vibration of the offshore floating platform can be buffered, the stability and safety of the building module layer are ensured, and the offshore operation difficulty is reduced.

The invention belongs to the technical field of ocean engineering and water electrolysis hydrogen production. In order to solve the problem that a traditional model is difficult to deal with dynamic sea conditions, a platform-environment coupling digital twin model is constructed, multi-source monitoring data is fused, and platform motion response is predicted through deep reinforcement learning. And generating anti-storm strategies such as ballast water regulation based on a prediction result, and realizing real-time optimization. According to the method, the evaluation accuracy is improved by 25%, and the strategy response time is lt; under the conditions of 8-level wind and 1.2 m wave height, the motion amplitude of the platform is reduced by 28%, the shutdown frequency of a hydrogen production system is reduced by 75%, and operation and maintenance of the floating platform are promoted to be upgraded to intelligent.

The present invention relates to the field of offshore wind power generation, and specifically to an offshore wind power generation device, which includes a floating platform and a wind power generation component arranged at the upper end of the floating platform. A plurality of traction components for pulling the floating platform are arranged below the floating platform, and the traction component includes an L-shaped frame fixed to the lower end of the floating platform, a traction rope is slidably connected to the L-shaped frame, and one end of the traction rope is fixed to the seabed; a circular plate is arranged below the floating platform, and a lifting component for lifting the circular plate and a guide component for guiding the circular plate during the lifting process are arranged on the floating platform; an annular plate is provided on the outer surface of the traction rope, and a cleaning component for cleaning shellfish attached to the surface of the traction rope is provided at the lower end of the annular plate. During the power generation operation, the offshore wind power generation device of the present invention automatically scrapes and cleans the shellfish on the surface of the traction rope through the cleaning component, so as to prevent the shellfish on the surface of the traction rope from affecting the stable power generation operation of the offshore wind power generation device.

The invention relates to a hydroelectric main shaft all-condition simulation test system and method, and the system comprises a fixed rack, one side of the fixed rack is provided with a tripping starting detection device, the fixed rack is provided with a hollow three-axis platform, a three-axis excitation system and a rotation driving part, the moving end of the three-axis platform is connected with a hollow floating rack, and a bearing is disposed in the floating rack. The rotation driving part comprises a power part and a main shaft connected to the torque output end of the power part, the main shaft is in transmission connection with the rotating disc, a hydroelectric large shaft used for a simulation test is installed on the rotating disc, and the three-shaft excitation system is used for applying X-direction, Y-direction and Z-direction high-frequency sine excitation loads to the hydroelectric large shaft of the rotating disc. The device is used for overcoming the defects that an existing testing device mainly focuses on vibration loading of a static mechanical device, simulation and performance testing cannot be carried out on dynamic behaviors under the composite working conditions of rotation, vibration and impact of a hydroelectric large shaft, and safety testing and rating cannot be carried out on a hydroelectric generating set sensor and a tripper overspeed protection device.

The invention discloses an active stabilization device for a floating type platform and a floating type wind power platform. The active stabilization device for the floating type platform comprises a semi-submersible platform; the adjusting assembly comprises a controller and a sensor, the sensor is arranged on the semi-submersible platform to detect angular velocity information, and the sensor is in communication connection with the controller; the counterweight assemblies are arranged in the circumferential direction of the semi-submerged platform and comprise first driving assemblies, guiding assemblies and balancing weights, and the guiding assemblies are located on the same plane and surround the semi-submerged platform; the first driving assembly is in communication connection with the controller and can drive the balancing weight to be adjusted on the guiding assembly. The controller receives the angular velocity information detected by the sensor to obtain the real-time inclination angle of the semi-submerged platform, and the first driving assembly is adjusted to directly drive the balancing weight to move on the guiding assembly, so that the position distribution of the balancing weight on the semi-submerged platform is changed, and the gravity center distribution of the semi-submerged platform is adjusted; therefore, the swinging trend of the semi-submersible platform is resisted, and the effect of quick stabilization is achieved.

A support system includes a platform floating at a surface of a body of water, a set of mooring elements, and a set of motion dampers. Each mooring element is rigidly coupled to the platform and to a bottom of the body of water. Each motion damper is coupled to the platform. Each motion damper includes a spool, a line, and a rotation controller. The line is coupled to and partially wound on the spool and has an end rigidly coupled to the bottom of the body of water wherein a tension force in the line is affected by rotation of the spool. The rotation controller is coupled to the spool and is operable to control the rotation of the spool based on the tension force in the line.

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.

The invention discloses a multi-energy coordination and monitoring platform for offshore oil and gas development, which relates to the technical field of multi-energy coordination and comprises a floating platform main body, and a solar power generation array (1), a sub power generation system (2), a main power generation system (3) and a water turbine cross beam (4) which are positioned on the floating platform main body, the floating platform main body adopts a hexagonal modular structure; the solar power generation array (1) comprises a plurality of monocrystalline silicon photovoltaic panels which are uniformly distributed on the floating platform main body; the sub power generation systems (2) are positioned at six vertexes of the floating platform main body; the main power generation system (3) is located in the center of the floating type platform body. And the water turbine cross beams (4) are uniformly distributed on the periphery of the floating platform main body. By comprehensively utilizing renewable energy sources such as solar energy, wind energy, wave energy and ocean current energy, stable and sustainable energy supply can be provided for the offshore oil and gas platform, and various pain points of a traditional energy supply mode are overcome.

The invention discloses a wind tunnel-pool combined loading floating fan distributed hybrid test method, which comprises the following steps of: establishing a floating fan multi-body / multi-physical field collaborative reduced scale criterion, dividing a floating fan into two independent physical models and two independent numerical models, and placing the two independent physical models and the two independent numerical models in different laboratories; integrating a physical model, a numerical model, a loading system and a measurement system, and building a floating fan physical-numerical distributed hybrid test platform; and carrying out data interaction and closed-loop control on the physical-numerical hybrid test platform. A fan and a floating platform are adopted as two relatively independent test substructures, test loading or computer simulation can be carried out in different laboratories by establishing different similarity criteria and geometric scale ratios, a collaborative online test and pneumatic-hydrodynamic load loading under the coupling action of wind, waves and flow are carried out through network interaction data, and the test efficiency is improved. The technical problems of environment load high-precision simulation and dynamic coupling response in a reduced scale model test are solved.

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.

The utility model relates to a floating type fishing light complementary system net drawing device which comprises a plurality of first rope drawing devices which are evenly distributed on a floating platform in the circumferential direction. The first inhaul cables are evenly distributed in the circumferential direction of the net cage, the lower end of each first inhaul cable is connected with a balance weight device, and the upper end of each first inhaul cable is provided with a first rope collecting device; the second rope winding device is arranged on the floating platform; the middle rope binding part is arranged along the central axis of the counterweight part; the second inhaul cables are evenly connected to the balance weight component, one end of each second inhaul cable is fixedly connected with the balance weight device, and each second inhaul cable extends to the middle rope binding component from the position below the bottom netting, movably penetrates through the middle rope binding component and then extends upwards to the second rope collecting device. The second inhaul cable is tightened, the section, located below the bottom netting, of the second inhaul cable supports the bottom netting, the middle of the bottom netting is high, the periphery of the bottom netting is low, and therefore the fishes and the shrimps are concentrated towards the edge of the bottom netting, and the fishing effect is facilitated.

The invention discloses an under-actuated manipulator based on hybrid transmission of a gear and a tendon rope mechanism, and relates to the technical field of manipulators. One end of the middle connecting mechanism is provided with the floating platform under-actuated mechanism, and the other end of the middle connecting mechanism is provided with three identical finger mechanisms; the floating platform under-actuated mechanism comprises a tendon rope lifting device, a floating platform, a tendon rope winding wheel and a driving motor, a tendon rope penetrates through the lifting device to be connected with the floating platform and then reaches the finger mechanism, and synchronous control over the finger mechanism is achieved; the finger mechanism sequentially comprises a wrist joint, an MP joint and a near-end knuckle and is driven by a single motor to achieve rotary motion. The near-end knuckles are sequentially connected with the DIP joints, the middle knuckles, the PIP joints and the far-end knuckles in series, transmission is achieved through tendon ropes, flexible belts are installed on the inner sides of the near-end knuckles, and self-adaptive grabbing and gripping are achieved. Meanwhile, a torsional spring and a limiting device are arranged at a joint, so that resetting and self-locking functions are realized. The under-actuated manipulator is high in adaptive capacity, high in flexibility and good in stability.

The invention relates to the technical field of algae cleaning, in particular to underwater cleaning equipment which comprises a floating platform, lifting devices are arranged on the floating platform, a plurality of lifting devices are arranged on the floating platform, and a protection bin connected through the lifting devices is arranged below the floating platform. A suction machine and a filtering device are arranged in the protection bin, a cutting device is fixedly arranged on the lower portion of the protection bin, the water inlet end of the suction machine sucks water through the cutting device, the water outlet end of the suction machine is connected with the filtering device, and the filtering device filters water fed by the suction machine. The device has the effect of directly collecting the algae on the surface of the phosphorus-absorbing stone at the bottom of the pond after cleaning.

The invention discloses a water conservancy quality detection device which comprises a floating platform, the top of the floating platform is fixedly provided with a quality detection assembly, the top of the floating platform is fixedly provided with a water pumping assembly, and the top of the floating platform is fixedly provided with a water collection and drainage assembly. The device comprises a floating platform, the top of the floating platform is fixedly provided with a data acquisition box, a driving power supply, a sensor and a protective cover, and the top of the floating platform is fixedly provided with the driving power supply, the sensor and the protective cover. According to the detection device for the water conservancy quality, by arranging the quality detection assembly, multiple key parameters of a water body can be detected at the same time, sufficient data basis is provided for water resource management, ecological protection and the like, the position of a water pumping pipe can be flexibly adjusted, detection of water bodies of different depths is achieved, and it is ensured that evaluation of the water conservancy quality is more accurate and objective; by arranging a protective cover, the service life of equipment is prolonged, the maintenance cost is reduced, and the accuracy of detection data is improved.

The invention belongs to the ocean wave energy power generation technology, and particularly discloses a suspended hammer floating type wind-wave combined generator set and a cooperative control method.The combined generator set comprises a semi-submersible floating type platform, a wind power generation device is arranged on the upper portion of the semi-submersible floating type platform, and the semi-submersible floating type platform is anchored by three anchor chains; three power generation sleeves are hinged to the interior of the semi-submersible floating type platform, the lower end of each power generation sleeve is correspondingly installed at the upper end of a variable-length damping inclined supporting rod, the lower end of each damping inclined supporting rod is hinged to a suspension hammer through a universal joint, and the power generation sleeves, the damping inclined supporting rods and the suspension hammer jointly form an inverted-triangular-pyramid-shaped wave energy power generation device. The wind power generation device and the wave power generation device are both controlled by the control system. Through the action of the lower suspension hammer wave energy device, the action of flexibly adjusting the motion response of the upper semi-submersible floating platform and the lower suspension hammer wave energy device is achieved, and the motion response and the borne load of the floating wind generating set are effectively improved.

The utility model discloses vertical shaft hydroelectric power generation equipment which comprises a power generation module and a power output module, the power generation module comprises a floating platform, a power generator and a power input shaft, the power input shaft is vertically arranged and arranged on the floating platform in a swinging mode, the power generator is arranged on the floating platform, and a motor shaft of the power generator is in transmission connection with the power input shaft; the driving module comprises a water wheel assembly, the water wheel assembly comprises a plurality of blades, the blades are distributed around the rotating axis of the water wheel assembly, and the water wheel assembly is connected with the power input shaft; the counterweight assembly comprises a connecting rod, a rotating seat, a first anchor chain and a first counterweight part, the lower end part of the connecting rod is rotatably arranged on the rotating seat, and the first anchor chain is connected between the rotating seat and the first counterweight part; the upper end of the connecting rod is connected to the bottom of the water wheel assembly. The power generation efficiency of the hydroelectric power generation equipment is improved.

The invention provides a vibration isolation air floating platform based on optical feedback and an implementation process of the vibration isolation air floating platform, and relates to the field of optical imaging precise instruments. According to the vibration isolation air floating platform based on the laser ranging feedback, the laser ranging sensor is adopted as a monitoring feedback element of the air spring, and the vibration isolation air floating platform based on the laser ranging feedback is designed. The levelness deviation (including being parallel to the reference horizontal plane and forming a specific included angle with the reference horizontal plane) of the current air floating platform can be monitored in real time, the vibration isolation air floating assembly can be controlled in a remote mode, and therefore fine adjustment of the supporting table top is achieved. Moreover, the vibration isolation air flotation system can be flexibly assembled, is small in size, can serve as a supporting assembly to be integrated into an optical imaging precise instrument system, has the two technical advantages of buffering vibration isolation and remote control at the same time, and can be widely applied and popularized.

The utility model belongs to the technical field of sewage treatment, and discloses in-situ lake dephosphorization equipment which comprises a movable floating platform, the movable floating platform floats on the lake surface, a waterproof box body is fixedly installed in the center of the top of the movable floating platform, and solar panels are laid on the top of the movable floating platform except the position covered by the waterproof box body. A plurality of dephosphorization function structures are arranged and integrated in one device, the problem of high cost caused by engineering of traditional treatment engineering facilities is solved, the problem of total phosphorus pollution in lake water is solved in a targeted mode, and the comprehensive dephosphorization device has the advantages that the comprehensive dephosphorization function structures are arranged and integrated in one device. And the equipment is low in operation cost, floats on the lake surface, is convenient to move through solar power supply, is energy-saving and environment-friendly, and is wide in application scene.

The invention discloses a wind power gear box planetary gear train meshing unbalance load prediction method considering basic motion. The method comprises the following steps: 1) constructing a floating platform non-inertial dynamics model; 2) solving the non-inertial dynamic model of the floating platform to obtain tooth surface unbalance loading coefficients under different platform motion frequencies; 3) calculating a tooth surface unbalance loading coefficient considering the platform motion influence; 4) collecting vibration displacement signals of the gear rings by using vibration sensors arranged on the gear rings of the planetary gear train, and extracting vibration displacement characteristics; 5) constructing a mapping equation between the vibration displacement and the tooth surface unbalance loading coefficient; and 6) utilizing a vibration sensor to collect vibration displacement signals of the planetary gear train gear ring of the gearbox of the floating wind turbine generator in real time, extracting real-time vibration displacement characteristics, and inputting the real-time vibration displacement characteristics into the mapping equation between the vibration displacement and the tooth surface unbalance loading coefficient to obtain the tooth surface unbalance loading coefficient for predicting the meshing unbalance loading of the planetary gear train. According to the method, the accuracy of meshing unbalance loading of the planetary gear train of the gearbox of the offshore floating wind turbine generator is improved.

A split type AUV system comprises an autonomous underwater robot system and a buoy system, the autonomous underwater robot system comprises an electric control sealed cabin, a multi-beam imaging sonar module, a magnetic attraction fixing device, a visual positioning module, an ultra-short baseline USBL transponder beacon, a single-beam sonar module, a depth module, an underwater laser range finder, a battery sealed cabin and a driving unit; the buoy system comprises an ultra-short base line USBL beacon, a floating platform, a cable reel motor, a cable reel, a satellite positioning module, a buoy system electric control cabin, a side scan sonar, an Aruco two-dimensional code plate, a driving unit, a permanent magnet block and a battery cabin; the invention aims to provide an underwater navigation positioning system of a split type AUV (Autonomous Underwater Vehicle), which assists in acquiring the accurate position of an underwater robot.

The utility model relates to a quadrilateral structure floating platform, and belongs to the technical field of ocean engineering, the quadrilateral structure floating platform comprises a floating platform, the floating platform comprises a first floating body module, a second floating body module and a third floating body module, and the two ends of the first floating body module are fixedly connected with the second floating body module and the third floating body module through bending modules; a first buoy is arranged at the top of the floating platform, a traction body is arranged on the floating platform, and the traction body and the floating platform are fixedly connected to form a quadrilateral structure. Before the floating platform is thrown to the sea surface, the first floating body module, the second floating body module, the third floating body module and the bending module can be separately transported on the shore, when the transportation equipment drags the traction body on the sea, water flow can freely pass through the hollow part, the resistance of the water flow to the floating platform is reduced, the hydrodynamic performance is good, and the floating platform can be conveniently unfolded in a preset sea area.

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.