1320 results about "Wave power" patented technology

The invention discloses an electric energy metering method under power grid waveform distortion, and particularly relates to the technical field of electric energy metering. The problems of false triggering of an energy compensation mechanism, metering deviation and electricity price settlement risks caused by zero-sequence current or false phase drift easily generated in a multipoint grounding or grounding fault power system in the prior art are solved. According to the anomaly identification and control method integrating zero-sequence current frequency domain characteristic analysis and three-phase phase deviation trend consistency judgment, the false phase deviation state is accurately identified through synchronous sampling, frequency domain analysis and trend consistency evaluation of three-phase voltage, three-phase current and neutral line current, and the false phase deviation state is accurately identified. The error compensation behavior is shielded in real time, the fundamental wave power metering mode is switched to, the electric energy metering accuracy is guaranteed through an error backtracking correction mechanism after recovery, and the anti-interference capability and metering reliability of the electric meter under complex working conditions are effectively improved.

The invention discloses a wave power generation efficiency optimization control method and device based on artificial intelligence. The method comprises the steps that S1, a marine environment data set is collected; s2, forming a preprocessed marine environment data set; s3, according to the preprocessed marine environment data set and the structure parameters of the wave energy power generation system, constructing an optimization objective function; s4, performing global search on the optimization objective function by using a bitter fish optimization algorithm, initializing an optimization population, and determining a plurality of candidate optimal parameter regions; s5, adopting an adaptive jellyfish search algorithm to perform local fine search on the area where the candidate optimal parameters are located, updating and optimizing the key control parameters, and obtaining the key control parameters for further improving the electric energy conversion efficiency; and S6, the key control parameters are applied to the wave energy power generation system, and dynamic closed-loop feedback control is formed. According to the invention, the system is always in an optimal working state, so that the electric energy conversion efficiency is further improved, and the energy loss is remarkably reduced.

The invention discloses an optimal design method for a floating wind power-wave energy multi-energy complementary power generation platform, which comprises the following steps of: constructing an integrated and parameterized system model which is a fully-coupled and parameterized numerical model comprising all key components of the floating wind power-wave energy multi-energy complementary power generation platform; all key design parameters influencing the system performance are set as parameterized variables; establishing a multidisciplinary coupling dynamic simulation model; defining a multi-objective optimization problem including decision variables, objective functions and constraint conditions; the decision variable selects a group of core variables from the parameterized variables as optimization input; and combining the multi-objective optimization problem with a multidisciplinary coupling dynamic simulation model, executing a multi-objective optimization cycle, and generating and deciding a Pareto optimal solution set to obtain typical design schemes with different characteristics. According to the method, the global optimization design of the floating wind power-wave energy multi-energy complementary power generation platform can be realized.

The invention relates to the technical field of ocean renewable energy power generation, and particularly discloses a floating type wind wave combined power generation system model prediction control method, which comprises the following steps: establishing a nonlinear mathematical model of a floating type wind wave combined power generation system; determining a steady-state working condition point of the system; carrying out linear processing on the nonlinear model; constructing a discrete time prediction model; designing a target function; defining a state and an input constraint condition; performing real-time rolling optimization solution; and dynamically feeding back a correction mechanism. Starting from a wind wave excitation mechanism, on one hand, response in a turbulent wind frequency band is reduced through fan variable pitch control, and on the other hand, response in a wave frequency band is reduced through wave energy power generation device PTO control, so that tower footing load is effectively reduced, and pitching motion of a platform is restrained. Global multi-objective optimization is realized by designing an objective function, defining constraint conditions and solving the objective function.

The invention discloses a semi-submersible wave energy-wind energy integrated power generation platform and a damping regulation and control method of a damping regulation and control system of the semi-submersible wave energy-wind energy integrated power generation platform. The platform comprises a semi-submersible wind driven generator platform, a wind driven generator set, a wave energy power generation device, an energy storage system, a sea area detection system and the damping regulation and control system. The wave energy power generation devices are divided into two groups on the inner side and the outer side of the platform, each wave energy power generation device comprises a platform inner side wave energy power generation device and a platform outer side wave energy power generation device, and each wave energy power generation device comprises a swing arm floater, a universal hinge, a connecting arm and a damping adjusting module. The semi-submersible wind power generation device and the wave power generation device are combined, and offshore renewable resources are comprehensively utilized; the six-buoy design is adopted, buoyancy is dispersed, stability and safety are improved, and meanwhile space is provided for a wave power generation device; the floaters are symmetrically arranged in a hexagonal shape and carry a damping regulation and control system, and the whole structure is more easily stabilized by adjusting the damping of the floaters in all directions.

The present invention relates to a wave energy power generation buoy with a variable length and angle damping plate and its control method, belonging to the technical field of wave energy power generation buoys. It includes a main floating body, an air turbine and a damping plate. The main floating body is a hollow rear-bent pipe structure. The air turbine is installed at the air outlet at the top of the rear end of the main floating body. The damping plate is installed at the rear end of the main floating body. The damping plate includes an L-shaped fixed plate, a horizontal telescopic plate, a vertical telescopic plate and an inclined movable plate. The L-shaped fixed plate is fixedly connected to the main floating body. The horizontal telescopic plate is horizontally slidably connected to the horizontal side plate of the L-shaped fixed plate. The vertical telescopic plate is vertically slidably connected to the vertical side plate of the L-shaped fixed plate. The upper and lower ends of the inclined movable plate are respectively movably connected to the vertical telescopic plate and the horizontal telescopic plate. The L-shaped fixed plate is provided with a first telescopic driving mechanism for driving the horizontal telescopic plate to move back and forth and a second telescopic driving mechanism for driving the vertical telescopic plate to move up and down. The present invention can improve the wave energy conversion efficiency.

The invention discloses an intelligent optimization control method for a wave power generation device based on an improved MPC, and the method comprises the steps: collecting the wave height, period, flow velocity and device motion posture data in real time through a multi-source sensing module, constructing an exciting force prediction model based on a bidirectional long-short-term memory network, and achieving the precise prediction of the wave exciting force of n control periods in the future; prediction data and real-time feedback signals are input into an improved jellyfish search optimization algorithm, through a two-stage chaotic mapping perturbation mechanism, the convergence speed and the global optimization ability of the algorithm are remarkably improved, and finally optimal electric damping control parameters are output. Compared with a traditional MPC method, the method has the advantages that a feed-forward-feedback composite control framework is formed by fusing deep learning prediction and an intelligent optimization algorithm, so that the energy efficiency conversion efficiency of the power generation system is improved.

The present invention relates to a wave energy power generation buoy with a variable floating drum diameter and a control method thereof, belonging to the technical field of wave energy power generation buoys, and comprising an air turbine, a rigid floating drum, a flexible floating drum and a heaving plate. The rigid floating drum is a cylinder with a fixed annular cavity, an oscillating water column channel is arranged at the center of the rigid floating drum, a ventilation port communicated with the oscillating water column channel is arranged at the top center of the rigid floating drum, the air turbine is fixedly installed at the ventilation port, a plurality of uniformly distributed vertical rods are fixedly connected to the bottom of the rigid floating drum, and the lower ends of the vertical rods are fixedly connected to the heaving plate. The flexible floating drum is a cylinder with a radially variable annular cavity, the flexible floating drum is fixedly sleeved on the outer peripheral side of the rigid floating drum, and an air inflation and extraction device for inflating or extracting air from the flexible floating drum to change its radial dimension is fixedly installed in the fixed annular cavity. The present invention improves the wave energy conversion efficiency.

The invention discloses a near-shore wave-flow field-sediment coupling simulation method considering a wave breaking nonlinear effect, and belongs to the field of near-shore hydrodynamics, and the method comprises the steps: inputting WRF high-resolution wind field, tide boundary conditions and water depth information, and initializing a wave module, a flow field module and a sediment module; calculating local wave breaking dissipated energy by adopting an improved wave breaking energy dissipation formula to obtain a wave energy density spectrum and a breaking probability; a near-shore flow field is calculated under radiation stress nonlinear correction, and hydrodynamic boundary conditions are updated; calculating sediment suspension and deposition by using a coupling diffusion coefficient, and updating sediment concentration distribution; waves, flow fields and sediment are mutually coupled through loop iteration, and coastal wave-flow field-sediment simulation is achieved under extreme conditions such as typhoons, storm surge and strong storm waves. The method can improve the prediction precision of the wave height, the flow velocity and the sediment concentration under the condition of offshore strong storm waves, and is used for typhoon storm surge prediction, harbor basin deposition evaluation and offshore ecological environment management.

A wave energy power generation device includes a plurality of up-down moving mechanisms configured to move up and down along a spiral rod under the action of waves, a mass block arranged at a lower part of the power generation device; a buoyancy barrel arranged in the middle of the power generation device, a guide rail arranged on one side of the up-down moving mechanism, and a spiral rod. Through the interaction of the up-down moving mechanism and the spiral rod, the up-down movement of waves can be converted into rotational kinetic energy, a scroll spring is used for storing energy, then the rotating speed is stabilized through an escapement mechanism, a power generation assembly accelerates energy output, and finally a generator is driven to generate power.

The present invention relates to a heaving plate wave energy power generation buoy with a variable cross-sectional area of a water column and a method thereof, belonging to the technical field of wave energy power generation buoys. It includes a buoy body, an air turbine is installed in the air outlet hole at the top of the buoy body, a central pipe located directly below the air outlet hole is arranged at the center of the bottom of the buoy body, a water column cavity communicating with the air outlet hole is formed between the outer side wall of the central pipe and the inner side wall of the buoy body, a heaving plate is fixedly connected to the bottom end of the central pipe, a plurality of uniformly distributed horizontal guide rails are fixedly connected between the upper outer side wall of the central pipe and the middle inner side wall of the buoy body, a telescopic partition plate assembly that divides the water column cavity into an outer water column cavity and an inner water column cavity is slidably installed on the plurality of horizontal guide rails, and a synchronous telescopic driving mechanism for driving the telescopic partition plate assembly to move along the horizontal guide rails is fixed at one end of the horizontal guide rail. The present invention can change the cross-sectional area ratio of the outer water column cavity and the inner water column cavity according to sea conditions, and obtain the optimal wave energy conversion efficiency.

The invention discloses a self-adaptive harmonic current suppression method for harmonic waves of a photovoltaic inverter, which belongs to the technical field of power quality control of a power system and comprises the following steps of: compensating a control strategy through a self-adaptive harmonic component of the photovoltaic inverter by adopting a'detection-reverse injection 'framework; the difference between the residual apparent capacity of the inverter after fundamental wave power supply and the borne harmonic power is used as an adaptive quantity, and the total harmonic distortion rate of the grid-connected point is reduced to the maximum extent on the premise of no overload; the method comprises the following steps: firstly, constructing a real-time harmonic detector based on a cascade generalized integrator; secondly, an inverter impedance model is established from the aspect of impedance stability, and a control parameter stability boundary is determined; then, a self-adaptive harmonic control strategy is introduced into the single-inverter grid-connected system, and a reasonable parameter setting method is provided on the basis of considering stability limitation; afterwards, a capacity-matched harmonic power distribution algorithm is provided for a multi-inverter parallel system, and the efficiency and operation stability of a photovoltaic grid-connected power generation system are improved.

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 ocean engineering and renewable energy source development and utilization, and discloses an energy gathering type wave energy power generation system adapting to the water level and an application method thereof.The wave energy power generation system comprises a plurality of wave energy devices, and each wave energy device is composed of a wave energy capturing device and a wave energy power generation device; the wave energy power generation device is installed on the upper portion of the wave energy capturing device, the wave energy gathering device is formed by splicing a plurality of energy gathering plates, one side of the wave energy device is fixedly connected with a plurality of connecting rods, one ends of the connecting rods are fixed to one side of the wave energy gathering device, and the lifting adjusting mechanism is provided with a plurality of pile legs. According to the energy-gathering type wave energy power generation system adapting to the water level and the application method thereof, wave energy can be gathered again in a specific area, the input wave energy level of a wave energy device is improved, the output power and the conversion efficiency of the wave energy device are remarkably improved, and the shielding effect generated after the wave energy device is arrayed is avoided.

The invention discloses a wave energy array development site selection method, which belongs to the field of wave energy development and utilization, and comprises the following steps of: 1) processing geographical distribution data by utilizing a GIS (Geographic Information System) spatial analysis method to obtain a limited development area graph layer; and 2) constructing an evaluation index system of wave energy array development site selection, and carrying out standardization processing to obtain a comprehensive evaluation result. And 3) calculating an offshore distance, and generating a refined developable range layer. And 4) carrying out wave direction statistical analysis in the developable range to obtain an array development range. And 5) on the basis of determining the array development range of the target sea area, determining a potential development site. 6, quantitative analysis and trend analysis of the array development capability are carried out with the potential development site as the center point, and the key development site is determined.According to the method, multi-dimensional evaluation indexes such as environment compatibility, resource endowment, technical feasibility and economic rationality are integrated, and a scientific basis is provided for array development site selection of the wave power station.

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

The invention relates to the technical field of unmanned ships, and discloses a novel wave-light complementary power generation-based multifunctional unmanned operation and maintenance ship, which comprises a ship body, an environment monitoring mechanism, an energy recovery mechanism, a full-rotation electric propulsion device, an unmanned aerial vehicle landing platform, an ROV automatic laying and recovery mechanism and an AUV automatic laying and recovery mechanism, the energy recovery mechanism comprises two clean energy power generation devices including wave energy power generation devices and solar power generation devices, the wave energy power generation devices are installed on the two sides of the ship body, the solar power generation devices are installed on a deck of the ship body, and clean energy is stored and redistributed through a storage battery in the cabin. An energy recovery mechanism of the device comprises wave energy power generation devices installed on the two sides of the ship body and a solar power generation device installed on the deck, comprehensive utilization of wave energy and solar energy can be achieved, the utilization rate of clean energy is increased, and the requirement for long endurance of the unmanned operation and maintenance ship is met.

The invention discloses a control method and device of a wind driven generator, a terminal and a storage medium, particularly relates to the technical field of operation control of the wind driven generator, and is used for solving the problem that a supporting structure bears violent asymmetric loads due to dynamic response differences of wind and wave load directions in a marine environment in an existing control method. Wind direction and wave direction data are synchronously obtained in real time, the wind direction change rate is calculated, supporting structure vibration signals are analyzed to recognize wave excitation dominant frequency components, and when it is detected that wave excitation energy suddenly changes and the wind direction change rate exceeds the limit, the wind wave direction difference is analyzed; meanwhile, a wave spectrum energy concentration frequency band is determined by analyzing the tower top movement track, the load asymmetry risk level is evaluated by combining the direction difference and the wave energy concentration frequency band, finally, the yaw speed and the variable pitch speed are adjusted in a self-adaptive mode according to the risk level, and accurate recognition and early warning of the wind wave load direction mismatching working condition are achieved. And the operation reliability of the wind driven generator in extreme weather is improved.

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.

The invention relates to a tide level obtaining method and system based on an OWC wave energy conversion device. The method comprises the following steps: constructing an energy loss prediction model in the air chamber; acquiring field incident wave energy, reflected wave energy, water potential energy increment, kinetic energy increment and pneumatic output energy at the current time period; inputting incident wave energy and reflected wave energy into the model to obtain predicted energy loss; and the tide level variation is solved based on the energy conservation relational expression, and the current tide level is calculated. The system comprises an energy loss prediction module, a wave energy acquisition module, a water body energy acquisition module, a pneumatic output acquisition module, an energy loss calculation module, a tide energy solving module and a tide level calculation module, which cooperatively realize the method. According to the scheme, an external tide gauge station is not needed, the local sea area tide level can be inversed in situ, at high frequency and with high precision, the method is suitable for an OWC-breakwater fusion scene, and cooperative operation of a port and ocean energy is supported.

The invention discloses a wave power generation device for an island, and relates to the technical field of power generation for the island, the wave power generation device comprises a floating body and a fixed support, the floating body floats along with sea waves, an energy generation mechanism and an energy conversion mechanism are arranged on the inner side of the fixed support, the fixed support does not float along with the sea waves, and the energy generation mechanism is arranged on the top surface of the floating body; the fixed support controls the buoyancy difference value of the floating body based on the moving state of the energy generation mechanism, the energy conversion mechanism is connected with a generator through a transmission mechanism and drives the generator through the transmission mechanism, the generator is connected with a frequency-stabilized voltage-stabilized power supply through a wire, and the frequency-stabilized voltage-stabilized power supply outputs stabilized voltage electric energy. The wave power generation device has the advantages of being high in wave energy conversion efficiency, simple and compact in structure and reliable in operation.

The invention relates to a heaving plate wave energy power generation buoy with the variable cross section area of a water column and a method, and belongs to the technical field of wave energy power generation buoys.The heaving plate wave energy power generation buoy comprises a buoy body, an air turbine is installed in an air outlet hole in the top of the buoy body, and a center pipe located under the air outlet hole is arranged in the center of the bottom of the buoy body; a water column cavity communicated with the air outlet hole is formed between the outer side wall of the center pipe and the inner side wall of the buoy body, a heaving plate is fixedly connected to the bottom end of the center pipe, and a plurality of evenly-distributed horizontal guide rails are fixedly connected between the outer side wall of the upper portion of the center pipe and the inner side wall of the middle of the buoy body. A telescopic partition plate assembly dividing the water column cavity into an outer water column cavity and an inner water column cavity is installed on the horizontal guide rails in a sliding mode, and a synchronous telescopic driving mechanism used for driving the telescopic partition plate assembly to move along the horizontal guide rails is fixed to one ends of the horizontal guide rails. The proportion of the cross section area of the outer water column cavity and the cross section area of the inner water column cavity can be changed according to the sea condition, and the optimal wave energy conversion efficiency is obtained.

The invention provides a delay compensation control method for a double-vibrator wave energy conversion device, which comprises the following steps of: performing numerical modeling and hydrodynamic analysis on the double-vibrator wave energy conversion device, establishing a time domain motion equation of the double-vibrator wave energy conversion device, and introducing a time delay function into the time domain motion equation to simulate control signal transmission delay; simulating the execution delay of the brake by using a partial differential equation; establishing a state-space equation of the device, replacing a convolution term of the time-domain motion equation with the state-space equation, and calculating to obtain a motion state of the device; a Hamiltonian function is defined to convert a constrained optimization problem into an unconstrained optimization problem, and the Hamiltonian function is solved to obtain an optimal control criterion considering control delay so as to realize maximization of energy capture under the optimal control criterion. According to the method, the operation characteristics of a physical system are truly reflected by introducing control delay, so that the locking control method is effectively implemented in an actual physical device, and the energy capture efficiency of a wave energy conversion device and the reliability of system operation are effectively improved.

The invention discloses a strong anti-overturning power generation device and method based on wind wave combined capture, and the device comprises a four-column type semi-submersible fan platform and a wind driven generator located above the four-column type semi-submersible fan platform, and the four-column type semi-submersible fan platform comprises hollow columns. The bottom of the hollow stand column is fixedly connected with the bottom of the outer side stand column through a horizontal column, a floating wave energy absorption system is arranged on the outer side of the outer side stand column, and the output end of the floating wave energy absorption system is connected with the input end of a power generator system through a bevel gear power generation system in the hollow stand column. One end of the floating wave energy absorption system is connected with the spring system in the hollow stand column; the core technical problems that an existing device is poor in stability, high in cost, low in efficiency, weak in adaptability and the like are solved.

The invention provides an anti-wave structure and an anti-wave method suitable for offshore new energy engineering, and belongs to the technical field of offshore new energy engineering, the anti-wave structure comprises a mounting cylinder fixed on the bottom end face of an offshore equipment platform, and an energy consumption assembly is arranged on the mounting cylinder; the energy consumption assembly comprises an outer side fixing ring and a friction metal ring, the outer side fixing ring is fixed to the outer wall of the mounting cylinder, the friction metal ring is arranged on the mounting cylinder in a sleeving mode and located below the outer side fixing ring, and the top of the friction metal ring is rotationally connected with the outer side fixing ring through a fixing ring sleeve; an annular friction strip is arranged at the position, close to the bottom of the friction metal ring, of the friction metal ring, and the surface of the annular friction strip is attached to the rough face in the friction metal ring. A wave receiving disc is arranged at the bottom end of the friction metal ring. According to the structure, through the deformation-friction synergistic effect, the wave impact effect of the offshore equipment platform under the complex sea condition is effectively weakened, and the wave resistance of the offshore equipment platform is improved.

The invention discloses a centralized clutch control method for an arrayed wave energy conversion device. The centralized clutch control method comprises the steps that numerical modeling and hydrodynamic analysis are conducted on the arrayed wave energy conversion device; establishing a time domain motion equation of the array wave energy conversion device; a state-space equation of the arrayed wave energy conversion device is established, the state-space equation is used for replacing a convolution term of a time domain motion equation, the motion state of the arrayed wave energy conversion device is obtained through calculation, and finally centralized clutch control is carried out on the arrayed wave energy conversion device to capture wave energy to the maximum extent. According to the method, the hydrodynamic interference effect between the wave energy conversion units in the array is fully considered, the overall energy capture efficiency of the array type wave energy conversion device is taken as an optimization target, the optimal global control command is solved, the movement of each wave energy conversion unit is cooperatively adjusted, and the method has a remarkable advantage in the aspect of energy capture efficiency and is suitable for large-scale popularization and application. And the overall energy absorption capacity of the wave energy conversion device is effectively improved.

A method for harnessing wave energy includes providing a vehicle to a body of water, the vehicle. The method includes submerging the vehicle to a depth in the body of water. The method includes operating the motor-generator of the vehicle in the first quadrant of the motor-generator. The method includes detecting a phase of a wave in the body of water based information from the processor of the detected phase. The method includes orienting the vehicle to lag the phase of the wave based on the detected phase of the wave. The method includes synchronizing an inertial acceleration of the vehicle to movement of the wave. The method includes switching the motor-generator to the second quadrant for generation mode to convert energy from the movement of the wave to electrical energy. The method includes storing the energy from the wave in the rechargeable battery source.

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

The invention relates to the technical field of wave power generation, in particular to a wave power generation method which is realized based on a floater and a water storage tank. A diaphragm pump is arranged in the floater and comprises a top plate, a bottom plate and a flexible wall body capable of generating deformation, the top plate, the bottom plate and the flexible wall body jointly define a cavity, a water inlet pipe and a water outlet pipe which are provided with one-way valves are arranged on the top plate, and the bottom plate is connected with a damping disc through a connecting piece; a water storage cavity, a water-turbine generator set located on the lower portion of the water storage cavity and an energy storage battery connected with the water-turbine generator set are arranged in the water storage tank. The water storage cavity communicates with the water outlet pipe; the floater moves up and down along with waves to drive the flexible wall body to deform and drive the volume of the cavity of the diaphragm pump to change, seawater is sucked into the cavity of the diaphragm pump or the seawater in the cavity is pumped into the water storage cavity, the water-turbine generator set is driven to generate electricity, and electric energy is stored in the energy storage battery. Through the power generation method, the problems of high cost and short service life can be effectively solved.

The invention relates to a wave power generation buoy with a variable buoy diameter and a control method thereof, and belongs to the technical field of wave power generation buoys, the wave power generation buoy comprises an air turbine, a rigid buoy, a flexible buoy and a heaving plate, the rigid buoy is a barrel with a fixed annular cavity, and an oscillating water column channel is formed in the center of the rigid buoy; the center of the top of the rigid buoy is provided with an air vent communicated with the oscillating water column channel, the air turbine is fixedly installed at the air vent, the bottom of the rigid buoy is fixedly connected with a plurality of evenly-distributed vertical rods, and the lower ends of the vertical rods are fixedly connected with the heaving plate. The flexible buoy is a buoy body with a radial variable annular cavity, the flexible buoy is fixedly arranged on the peripheral side of the rigid buoy in a sleeving mode, and an inflating and exhausting device used for inflating or exhausting air to change the radial size of the flexible buoy is fixedly installed in the fixed annular cavity. The wave energy conversion efficiency is improved.