743results about "Vessel safety" patented technology

A system for a boat includes a first guideway installed under a main deck of the boat, a first battery pack coupled to the first guideway under the main deck, and a first actuator configured to move the first battery pack along the first guideway. A controller is electrically and / or signally coupled with the first actuator. A user input device is electrically and / or signally coupled with the controller. The controller is configured to control the first actuator to move the first battery pack along the first guideway in response to an input to the user input device so as to relocate the weight of the first battery pack under the main deck.

The invention relates to an amphibious vehicle body stability control method, system, equipment and medium, and belongs to the technical field of vehicle control, the amphibious vehicle body stability control method comprises the following steps: after a vehicle enters water, heeling angle data is acquired in real time; and when the heeling angle data exceeds a set threshold value and the maintaining time exceeds a preset duration, the volumes of air bags arranged on the two sides of the vehicle are adjusted in real time so that buoyancy distribution can be adjusted, and the purpose of stably controlling the vehicle body is achieved. According to the overwater vehicle body stability control method and system based on multi-sensor fusion and dynamic adjustment disclosed by the invention, the problems of turning, heeling and wave interference when the vehicle sails on the water surface are solved. The stability of amphibious vehicle sailing on water is greatly optimized, and the amphibious vehicle is suitable for development of intelligent amphibious vehicles in the future.

The invention provides a floating type annular wave-resistant offshore photovoltaic structure. The floating type annular wave-resistant offshore photovoltaic structure comprises arc-shaped wave-resistant structure units, spring connectors, photovoltaic buoyancy tanks, photovoltaic modules, buoyancy tank mooring cables, mooring cables and pile anchors. The plurality of arc-shaped anti-wave structure units are flexibly and annularly connected through the spring connectors to form a floating type annular anti-wave structure; photovoltaic buoyancy tanks are fully paved in the circular ring of the floating type annular wave-resistant structure in parallel, and a photovoltaic module is fixedly mounted on the surface of each photovoltaic buoyancy tank. The structure main body of the novel floating type annular wave-resistant offshore photovoltaic structure adopts arc-shaped wave-resistant structures made of a high-density polyethylene material, the arc-shaped wave-resistant structures are connected into an integral circular ring through spring connectors, photovoltaic modules in the ring are protected and moored, a plurality of macromolecule buoyancy tank mooring cables are adopted in the ring to be connected with photovoltaic buoyancy tanks, and the photovoltaic buoyancy tanks are connected into a whole. The whole structure has certain flexibility and has the advantages of being small in steel consumption, high in weather resistance, low in building cost, high in wind wave resistance, easy and convenient to construct, good in power generation economical efficiency and the like.

A marine vessel includes a vessel steering system including a boat controller configured or programmed to include an automatic vessel steering mode and a manual vessel steering mode as vessel steering modes. When a password to release a locked state is input to a multifunction display in a locked state where the vessel steering mode is fixed in the automatic vessel steering mode, the boat controller is configured or programmed to shift the automatic vessel steering mode to the manual vessel steering mode.

The invention discloses a semi-submersible fan-oscillating water column wave energy device integrated device with heaving plates. The semi-submersible fan-oscillating water column wave energy device integrated device comprises floating fan equipment, a central platform, buoys, hydraulic heaving plate connecting rods, an upper-layer permeable heaving plate, a lower-layer non-permeable heaving plate, a control system, a wind speed monitoring sensor and a laser wave surface displacement sensor. The floating fan equipment is arranged at the upper part of the central platform; the buoy is formed by connecting a permeable protective cover, a hydraulic connecting rod, an OWC device, an air pressure enhancing device, an internal supporting rod, a telescopic supporting plate and a pneumatic turbine. The upper-layer permeable heaving plate and the lower-layer non-permeable heaving plate are connected to the bottom of the buoy through the hydraulic heaving plate connecting rod; the control system is positioned in the lower horizontal plate of the central platform; the wind speed monitoring sensor and the laser wave surface displacement sensor are arranged on a stand column of fan equipment. The fan operation efficiency and the system reliability are improved, the whole life cycle cost is effectively reduced, and good durability and maintainability are achieved.

The utility model relates to the technical field of floating photovoltaic systems, and discloses an offshore photovoltaic floating body and a connecting structure thereof, the offshore photovoltaic floating body comprises a floating body unit member, the two ends of the floating body unit member in the first direction are respectively provided with a connecting part, and the connecting parts are connected with the floating body unit member. Each connecting part comprises two embracing lugs protruding out of the end face of the corresponding floating body unit piece in the first direction, the two embracing lugs are oppositely arranged, a connecting gap is formed between the opposite faces of the two embracing lugs, and the connecting gap is used for installing a connecting piece fixed to the other floating body unit piece; reinforcing ribs are arranged on the opposite faces of the two holding lugs and the end faces of the floating body unit pieces respectively. According to the offshore photovoltaic floating body and the connecting structure thereof, the connecting parts with unique shapes are designed, the spaced double-lug structures can be simply inserted into the connecting parts, and reliable connection is realized by matching with the fasteners, so that the stress is more uniform when the floating body is subjected to impact force, the connecting parts are not easy to damage, the structural stability of a floating photovoltaic system is greatly improved, and the service life of the floating body is prolonged. And the maintenance cost is reduced.

The invention relates to the technical field of intelligent unmanned ships, in particular to a wave self-adaptive unmanned ship, a self-adaptive control system and a control method.The wave self-adaptive unmanned ship comprises a main ship body, a front arch, a rear arch, a suspension system, a propelling nacelle, a rigid sliding plate and a buoy, the main ship body is connected with the rear arch and the front arch, and the rigid sliding plate is fixed to the buoy; the propulsion nacelle is installed at the tail of the rigid sliding plate, the rear arch and the rigid sliding plate are installed through two bearings perpendicular to each other, the suspension system comprises a rocker arm, a plate spring and a TPMLM actuator, the rocker arm is connected to the rigid sliding plate, the plate spring and the TPMLM actuator are connected between the rocker arm and the rigid sliding plate and support the rocker arm to be in an upward inclined posture, and the rear arch is connected to the rigid sliding plate. The front arch is connected with the rocker arm, the plate spring and the TPMLM actuator are installed in parallel in the vertical direction, the TPMLM actuator is used for outputting active control force for restraining movement of the ship body, and the unmanned ship, the self-adaptive control system and the self-adaptive control method have the advantages that wave loads can be actively counteracted, and therefore movement restraining is achieved.

A canopy system upon a floating structure includes a cover detachably coupled to a body of the floating structure; and a connector instantly detachable coupling the body with the cover having at least one force distribution assembly, wherein the at least one force distribution assembly moves substantially freely in respective to a connection point on the body and independent from a floating motion of the body of the floating structure so that a wind force received by the cover is reduced to be transferred to the body.

The invention relates to the technical field of wave compensation, in particular to an ocean wave compensation method and system for ship stabilization, and the method comprises the following steps: collecting omnibearing ocean wave monitoring parameters, carrying out multi-time window period division processing and wave energy density quantitative analysis, and generating the wave energy density of each time window; performing nonlinear dynamic behavior mining and dynamic sea wave digital perception modeling according to the wave energy density of each time window, and constructing a sea wave field dynamic model; multi-scale wave feature analysis is carried out based on the sea wave field dynamics model, wave trend evolution prediction is carried out, and a wave trend prediction map is constructed; and identifying current ship state parameters. According to the invention, the gravity center position is automatically adjusted according to the data monitored in real time, and the self-adaptive stability optimization of the ship attitude under different wave conditions is realized.

The invention discloses six-degree-of-freedom wave compensation embarkation equipment suitable for complex sea conditions and a control method of the six-degree-of-freedom wave compensation embarkation equipment. The six-degree-of-freedom wave compensation embarkation equipment comprises a base platform fixed to an operation ship deck; a lower platform of the Stewart parallel mechanism is connected with the base platform, and an upper platform of the Stewart parallel mechanism is connected with the lower platform through six hydraulic cylinders; the embarkation gangway ladder system is mounted on the upper platform; the hydraulic servo driving system is used for driving the six hydraulic cylinders; the intelligent sensing system is used for collecting ship motion data and relative pose data of the target platform; the intelligent control system is electrically connected with the hydraulic servo driving system and the intelligent sensing system; wherein the intelligent control system is configured to execute a compound control algorithm based on a nonlinear extended state observer and nonlinear model predictive control so as to drive the hydraulic servo driving system and compensate ship motion. The embarkation equipment provided by the invention has the advantages of high precision, high stability and strong robustness, and can realize accurate and stable compensation of complex sea conditions.

A floating body for an offshore wind turbine includes: one first column; two second columns; two lower hulls connecting the first column to each of the second columns; and a beam member connecting the two lower hulls. The beam member is disposed within a height range between an upper surface and a lower surface of each lower hull.

The utility model discloses an unmanned ship rollover prevention device which comprises two rollover prevention assemblies of the same structure, the two rollover prevention assemblies are symmetrically and fixedly installed on the two side portions of a ship body, each rollover prevention assembly comprises an installation base, an extension module and a driving module, the installation bases are fixedly installed on the side portions of the ship body, and the extension modules are fixedly installed on the side portions of the ship body. A mounting groove is formed in the mounting base, one end of the extension module is fixedly mounted in the mounting base, the extension module is located in the mounting groove, and the driving module is mounted in the ship body and connected with the extension module; according to the anti-rollover device for the unmanned ship, the anti-rollover assemblies are arranged on the two sides of the ship body correspondingly, when the anti-rollover assemblies are unfolded, the buoyancy of the ship body can be effectively enhanced, meanwhile, the base contact area of the ship body and the water surface is enlarged, the overall supporting area of the ship body is enlarged, and the wind wave resistance is improved; the situation that the ship body rolls over due to overlarge storm waves is effectively reduced, then the safety of the ship body is effectively guaranteed, and the possibility that the ship body is damaged is reduced.

The invention discloses a protective device for offshore power generation, which relates to the field of offshore energy equipment protection and comprises a multi-stage buffer anchor cable system, an annular cabin type floating body structure, a dynamic gravity center adjusting unit and an anti-resonance component. The multi-stage buffering anchor cable system is arranged in the circumferential direction of the floating body and comprises a main cable, an elastic buffering section, a damping adjusting section and a universal hinge joint. The annular cabin type floating body structure is provided with an inner cabin body, an outer annular cabin and a wave impact guide plate; the outer annular cabin is divided into an independent sealed cabin; the dynamic gravity center adjusting unit is arranged at the bottom of the inner cabin body, and the anti-resonance assembly is horizontally arranged in the outer annular cabin; according to the device, storm impact is attenuated through multi-stage buffering anchor cables, and buoyancy is optimized to resist waves through an annular cabin structure and a flow guide plate; the dynamic gravity center adjusting unit adjusts the balance weight in real time to counteract inclination of the floating body; the anti-resonance partition plate inhibits resonance, reduces structural abrasion, can adapt to complex sea conditions, guarantees stable operation of power generation equipment, prolongs the service life, and provides safety protection for offshore clean energy development.

The invention discloses a marine environment monitoring instrument, and belongs to the technical field of marine monitoring instruments, and the marine environment monitoring instrument comprises a buoy main body which is used for providing buoyancy to enable the monitoring instrument to suspend on the sea surface; the undersea monitoring mechanism is arranged below the buoy main body and is used for monitoring the marine environment; the reciprocating sliding table mechanism is arranged between the buoy main body and the undersea monitoring mechanism and comprises a sliding table capable of reciprocating in the vertical direction; the cleaning mechanism is arranged on the sliding table, surrounds the periphery of the undersea monitoring mechanism and is used for cleaning the outer surface of the undersea monitoring mechanism when the sliding table reciprocates; the reciprocating driving mechanism is arranged between the buoy body and the reciprocating sliding table mechanism and used for driving the sliding table to reciprocate in the vertical direction. The surface cleaning device can be used for regularly cleaning the peripheral surface of the monitoring instrument.

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.

The invention provides an unmanned ship grabbing and positioning system based on multi-body configuration design, and belongs to the technical field of unmanned ships, the unmanned ship grabbing and positioning system comprises a multi-body ship body, a machine vision module, a positioning calculation unit, a stable platform, a grabbing device and a control module, the multi-body ship body is composed of a double-hull structure or a three-hull structure; the machine vision module is used for identifying a target object and acquiring visual information of the target object; the positioning calculation unit is connected with the machine vision module and is used for calculating spatial position coordinates of the target object according to the acquired vision information; the stable platform is arranged on the multi-hull ship body; the grabbing device is installed on the stable platform and used for grabbing the target object according to the coordinates calculated by the positioning calculation unit. The robot has the comprehensive advantages of being high in environmental adaptability, high in positioning precision, flexible in operation, good in controllability, high in maintainability and the like, and can efficiently cope with target object grabbing operation in the complex water environment.

The application discloses a floating wind power roll damping system based on fan-geared coupling and a control method. The system comprises a fan rotor, a tower, a floating platform, a cabin and a double geared roll damping device. A sensor system is arranged on the top of the tower and the floating platform and is used for monitoring multi-degree-of-freedom motion data of the system. The data collected by the sensor is transmitted to a controller through a signal transmission device, so as to realize real-time monitoring and control of the rolling state of the system. The active precession control mechanism controls the rotation of the precession shaft according to the received servo motor driving torque control signal output by the controller, so as to realize the control of the precession motion of the geared rotor. The application further establishes a complete fan-geared coupling dynamic model and designs a control method based on multi-objective optimization. The PSO algorithm is used to simultaneously optimize the roll damping performance and the energy consumption index, and a complete Pareto optimal solution set is established. The method can realize the dynamic balance of the performance and the energy consumption.

The present invention relates to the technical field of ballast tanks, and discloses an adjustable ballast tank, a medium mixing method thereof, and a floating offshore platform. The adjustable ballast tank includes: a plurality of medium capsules, which are nested in sequence or arranged closely together, each medium capsule having an independent medium cavity, each medium cavity being capable of storing a medium, and each medium cavity being connected to the outside world through a channel opening on the medium capsule for filling or discharging the medium. The present invention can store a variety of media by providing a plurality of medium cavities, so that the floating offshore platform can mix and use media when operating at sea, making it more convenient to obtain the media and having better economic benefits.

This application relates to the technical field of fully automated water surface robots, and provides a performance unmanned boat, including a hull; a mounting frame fixed to the hull; a screen fixed to the mounting frame and located on the top side of the hull, the screen having a ventilation structure; and a float fixed to the hull and located on the side of the hull. The performance unmanned boat provided by this application uses a screen with a ventilation structure and a float in conjunction with the hull. The ventilation structure reduces the screen's resistance to natural wind flow, reducing the external force exerted on the screen by natural wind. Simultaneously, the float increases the hull's support points on the water surface, enhancing the hull's resistance to wind and waves. This effectively solves the technical problem of unmanned boats carrying large screens easily capsizing when navigating on water, improving the stability of the performance unmanned boat on water, ensuring the smooth completion of performance tasks, and enabling the performance unmanned boat to meet the requirements of cultural and publicity purposes.

The invention provides an offshore wind power floating type floating body with a self-locking assembly structure, and relates to the technical field of offshore wind turbine foundations, the offshore wind power floating type floating body comprises an assembly module, and the assembly module comprises a floating plate and a mounting platform arranged at the top of the floating plate; the floating part is arranged between the floating plate and the mounting platform; the stabilizing component is arranged in the center of the floating plate; the connecting parts are symmetrically arranged on the peripheral side edges of the bottom surface of the floating plate and comprise a first connecting piece and a second connecting piece which are symmetrically arranged on the two sides of the side edges of the bottom surface of the floating plate and are mutually inserted and matched; through the standardized design of the modularized floating plates and the detachable connecting parts, and by combining the port pre-assembly mode and the water body self-assembly mode, the technical bottlenecks that the land transportation of a traditional floating body exceeds the limit, and the offshore installation efficiency is low are solved; a double-self-locking mechanism driven by water pressure of the floating block and triggered by gravity of the heavy block cooperates with the anchoring block to inhibit horizontal displacement, and the balancing weight excites a dynamic balance system of a pendulum effect, so that the key problem that the anti-overturning stability of the floating body is insufficient in a deep sea area stormy wave environment is solved.

The utility model relates to the technical field of floating type wind power platforms, and discloses a deep sea floating type wind power platform leveling device which comprises a bottom frame, an air bag is fixedly assembled on the inner wall of the bottom frame, an auxiliary frame is arranged on the top of the bottom frame, a rotating frame is rotatably connected to the inner wall of the auxiliary frame, an outer cylinder is fixedly assembled on the top of the rotating frame, and a floating type wind power platform is arranged on the outer cylinder. The inner wall of the outer cylinder is slidably sleeved with a sliding cylinder, and a fixing frame is fixedly assembled on the top of the sliding cylinder. Through cooperative use of a convex rod and a concave cylinder, when the bottom frame and the air bag are influenced by the external environment, the wind power platform body is assisted by the balance weight ball to keep balance when the bottom frame inclines, and the convex rod is driven by the wind power platform body to move towards the inner wall of the concave cylinder; and the bottoms of the convex rods make contact with the tops of the pressure sensors, the pressure sensors are used for controlling the adjacent air pumps to operate, the adjacent air pumps are used for supplying air into the air bags through the connecting pipes, and therefore the device is assisted in leveling.

The disclosure relates to a floating wind turbine platform, comprising: a substantially triangular hull configurable to support a wind turbine tower; the hull comprising a first, second and third column, the first, second and third columns being connected by a first, second and third pontoon member, as well as by a first, second and third connector.

Offshore wind turbine systems and processes for installing same. The system can include a wind turbine generator that can include a plurality of blades connected thereto. The system can also include a first support arm and a second support arm each having a first end and a second end. The system can also include a support structure that can be configured to float on a surface of a body of water that can include first, second, and third columns. The first end of the first support arm and the first end of the second support arm can each support the wind turbine generator at an elevation above the support structure. The second end of the first support arm can be connected to and supported by the first column. The second end of the second support arm can be connected to and supported by the second column.

Provided is a virtual interactive system for hull load identification and full-field safety assessment, which includes a structure strain and acceleration monitoring module, a hull motion monitoring module, a hull load identification module, a hull full-field structural response calculation module, a hull wave environment identification module, a ship response virtual interaction module, a ship response 3D visualization module, a real-time safety assessment module, and a system storage and output module.

The invention provides a ventilation overflow method for oil tanks in a cabin area. The ventilation overflow method comprises the following steps that the number of ventilation pipes of all the oil tanks is determined; after the number of each oil tank vent pipe is determined, the pipe diameter of the oil tank vent pipe is determined according to the pipe diameter of the injection pipe; ventilating pipes with corresponding pipe diameters are led to a chimney trunk on a deck 1 from the top in each oil tank; a horizontal ventilation header pipe is arranged at the position of a chimney trunk on a deck 1, and ventilation pipes of all oil tanks are converged into the ventilation header pipe; an overflow alarm box is arranged on the deck surface 1; a discharge pipe is led to the bottom of the pipe section with the maximum pipe diameter of the ventilation main pipe to be connected to an injection port of an overflow alarm box below; the alarm overflow pipe is connected to the overflow cabin; the overflow alarm box is provided with an alarm vent pipe, and one path extends to the chimney top. A safe and feasible ventilation and overflow scheme is provided for the oil tank in the engine room area, ventilation is concentrated, arrangement of ventilation pipelines is reduced, overflow pipelines are ingeniously arranged, the overflow response time is prolonged, and the safety of a ship is greatly improved.

The invention relates to an overwater exploration drilling machine supporting buoyant raft, and relates to the technical field of buoyant raft equipment, the overwater exploration drilling machine supporting buoyant raft comprises a buoyant raft body used for placing a drilling machine, the lower end of the buoyant raft body is fixedly connected with a plurality of rows of fixed ballast water cabins, and the fixed ballast water cabins are arranged in the length direction of the buoyant raft body; a guide support is arranged between every two adjacent rows of fixed ballast water cabins, the guide supports are arranged in the length direction of the buoyant raft body, a lifting assembly used for driving the guide supports to ascend and descend is arranged on the buoyant raft body, a plurality of movable ballast water cabins are arranged on the guide supports, and the movable ballast water cabins are arranged in the movable ballast water cabins. The movable ballast water tanks are arranged in the length direction of the guide support, a moving mechanism used for driving the movable ballast water tanks to move on the guide support is arranged on the buoyant raft body, and a feeding assembly used for adding the movable ballast water tanks to the guide support is arranged on the buoyant raft body. The ballast water tank adjusting device has the effect of flexibly adjusting the position of the ballast water tank.

The invention relates to the technical field of ship stability control, discloses a ship stability control method and system, and introduces a real-time monitoring and adaptive adjustment mechanism for electrical parameters of a ballast pump driving motor. By acquiring the electrical parameter reference information of the ballast pump driving motor in the reference pipeline state, a dynamic performance evaluation reference is established. In the ballast water dispatching process, the system synchronously monitors the real-time electrical operation parameters of the ballast pump driving motor and compares the real-time electrical operation parameters with the reference information, and therefore whether the actual conveying efficiency of the ballast water system is lower than the expectation or not can be accurately judged in real time. The real-time judgment mechanism does not exist in the prior art, and the system can find and quantify the performance deviation in time.

A floating marine platform is provided including a central column, at least three peripheral columns circumferentially around the central column, radially extending beams from the central column that connect the peripheral columns with the central column, and structural members spanning between each adjacent pair of peripheral columns. The structural members are pre-tensioned.