4117results about "Propulsion power plants" patented technology

The invention provides a data processing system for cooperative operation of an intelligent combined fleet, and relates to the technical field of data processing, and the system comprises an acquisition module which is used for acquiring basic state data of a ship; the prediction module is used for generating state trend data in combination with the historical motion trail and the near-time data sequence, and the state trend data comprises a speed change rate and a course angle change trend in a future short time period; the sensing fusion module is used for receiving the state trend data of other collaborative ships, aligning the state trend data with the state trend data of the ship, and performing synchronous calculation to generate fleet collaborative prediction data; the adjusting module is used for recognizing an included angle error between the current ship thrust applying direction and the future resultant force direction of the target structure and calculating the attitude adjusting amount; the control output module is used for mapping into a thrust adjusting instruction and sending an execution instruction to a power system of the ship; according to the invention, autonomy and accuracy of fleet collaborative operation are improved.

An unmanned ocean vehicle apparatus having a hull, solar array, hydrofoil, and electric thruster is operable on a surface of a body of water to travel from one point to another with long range capabilities. The unmanned ocean vehicle can further be placed in a more compact configuration, incorporating a mechanism to alternate between operational mode and collapsed storage mode to facilitate physical storage or shipment of the vehicle. Methods are described for optimizing travel and determining favorable movements of the unmanned ocean vehicle by calculating current and predicted conditions at certain waypoints using a combination of a sensor, a computer, and a control system. The physical support of hydrofoils, a drag reducing system, capsize-prevention technique, and a three-dimensional arrangement of solar panels provides efficient power management, optimal route strategy, and sustainability of the vehicle's high speeds in wildly varying ocean conditions.

A system for maintaining a marine vessel in place in a body of water includes a controller in signal communication with a power-deployable anchor and a propulsion-based electronic anchoring system and a user input device in signal communication with the controller. The controller deploys the power-deployable anchor in response to a single user-selected option input via the user input device under a first set of conditions. The controller activates the propulsion-based electronic anchoring system in response to the single user-selected option input via the user input device under a different second set of conditions.

The invention relates to the technical field of ship control, and particularly provides an energy optimization method and device for a pure electric tug, a storage medium and a control system. According to the method, the operation navigation data, collected in real time, of the pure electric tug can be input into the pre-constructed operation classification model, and the real-time operation state is obtained. If the real-time operation state of the pure electric tug is a heavy load dragging state, determining the current propulsion power demand and the total power demand of a propulsion system in the pure electric tug, and inputting the operation navigation data, the current propulsion power demand and the total power demand into a pre-constructed power distribution model, and performing power distribution according to a power distribution coefficient output by the model. Therefore, the power distribution response can be quickly and accurately made based on the intelligent power distribution model, and the intelligent ship is realized. Moreover, electric energy supply of the propulsion system can be guaranteed preferentially, so that sufficient power supply of the propulsion system can be guaranteed, and the operation efficiency of the pure electric tug can be improved.

Swivel mounts, mounting assemblies for boating accessories, and boats having such are disclosed. The swivel mounts include a support member, a mounting member, and a swivel element for enabling the mounting member to swivel relative to the support member. In some cases, a trolling motor mount bracket and / or a trolling motor may be coupled to the swivel mount. In further embodiments, the swivel mount may be coupled to a surface of a boat, such as but not limited to a boat gunnel. In particular, a swivel mount may be configured and disposed above an upward facing surface of the gunnel such that a mounting member of the swivel mount is able to swivel about an axis that is perpendicular to and passes through the upward facing surface of the gunnel. Mounting members having a hole pattern to accommodate different types of trolling motors is also provided.

In one aspect, a wireless remote controller for a personal watercraft is provided that includes a watertight body and a rotatable thumbwheel disposed on an upper surface of the watertight body. The remote controller includes at least one magnet affixed to the thumbwheel such that the at least one magnet rotates with the thumbwheel. The remote controller includes a magnetic sensor configured to produce magnetic field data in at least two axes. The remote controller includes a processor operably coupled to the magnetic sensor and communication circuitry configured to communicate control signals to an associated personal watercraft. The processor is configured to determine an angular position of the thumbwheel based at least in part on the magnetic field data in each of the at least two axes and to generate a control signal based at least in part on the determined position of the thumbwheel.

The invention belongs to the technical field of deep-sea mining environment assessment, and particularly relates to an autonomous multi-mode mining plume and redeposition thickness monitoring system and method, and the system comprises an autonomous underwater unmanned submersible and detection load equipment connected with the autonomous underwater unmanned submersible. The autonomous underwater unmanned submersible is used for carrying detection load equipment, providing electric energy for the detection load equipment, sending a control instruction to the detection load equipment, preprocessing received data returned by the detection load equipment, and sending an equipment state to the mother ship in real time, so that the mother ship can monitor the autonomous underwater unmanned submersible in real time; the detection load equipment is used for synchronously carrying out deep sea near-bottom mining plume and redeposition thickness monitoring in three detection modes of acoustics, optics and hydrology, carrying out multi-category data comparison and fusion in the same time coordinate system, and sending the collected data to the autonomous underwater unmanned submersible; and data support is provided for later deep-sea mining plume and redeposition simulation modeling.

The invention discloses a maneuvering fish searching platform system and a maneuvering fishing method.The maneuvering fish searching platform system is characterized in that one or more of a marching power assembly, a fish luring device and a fish searching device are detachably integrated on a buoyancy body assembly, the buoyancy body assembly can correspondingly march on water, and meanwhile when the fish searching device detects that a fish school appears within a preset distance, the buoyancy body assembly is driven to move back and forth; the fish luring device starts a fish luring working condition, so that a fish school is close to the fish luring device and correspondingly gathers, and the functions of flexibly and visually searching and luring the fish are realized, so that the device has the characteristics of flexibly and efficiently searching and luring the fish by adding the maneuvering function, conditions are provided for follow-up net fishing or rod fishing, and the fish luring efficiency is improved. And through the method, multiple persons can participate in fish searching and fish luring activities, so that the characteristic of enjoying fishing fun is achieved, the interestingness of the activity process is increased, and the method has a better application prospect and a higher popularization value.

The invention relates to the technical field of ship power, in particular to a dual-fuel ship fuel switching method and device and a storage medium, and the method comprises the steps that first engine performance data and engine state data corresponding to the first engine performance data are acquired; preprocessing the first engine performance data and the engine state data; the preprocessed first engine performance data are input into a target prediction control model for switching strategy prediction, and a fuel switching strategy corresponding to the engine is obtained; inputting the engine state data into the target fault prediction model for fault prediction to obtain a switching decision; a fuel switching strategy is sent to the control module according to the switching decision, so that the control module processes the fuel switching process according to the fuel switching strategy; and second engine performance data are received, and the fuel switching strategy is adjusted according to the second engine performance data. And seamless switching or cooperative use between liquefied natural gas and diesel oil of a ship can be met.

The invention provides a ship shaft power generation and lithium battery coordinated multi-working-condition energy optimization management system, which is applied to the technical field of ship power systems and energy management and comprises a data acquisition module, an energy optimization processing module and a power regulation and control module, wherein the energy optimization processing module is provided with a prediction unit, a working condition identification unit, a loss evaluation unit and a decision-making unit, the prediction unit is used for predicting a ship load demand in a preset period, the working condition identification unit is used for identifying a ship operation working condition, and the loss evaluation unit is used for determining a life loss factor by combining a prediction result and an energy storage unit state; the decision-making unit generates a regulation and control instruction based on the life loss factor and the state of the power generation unit to realize power distribution of the power generation unit and the energy storage unit; according to the system, multi-working-condition energy consumption requirements of the ship are met, meanwhile, comprehensive optimization of fuel consumption cost and energy storage unit service life loss cost is achieved, the energy utilization rate is increased, the service life of the energy storage unit is prolonged, and the full-life-cycle operation cost of the ship is reduced.

The present invention relates to a new energy ship battery power control method and a system. Each battery pack correspondingly supplies power to one bus, one bidirectional DC-DC converter is arranged between two adjacent buses to form a bus loop, and a load correspondingly draws electrical power from a corresponding bus loop segment; a power supply state of each bus area is checked, and by controlling the bidirectional DC-DC converter between buses, surplus energy of one bus is distributed to another bus having insufficient energy. According to the solution, a low DC-DC capacity configuration is achieved, energy between battery packs can be flexibly scheduled, the remaining electrical power between battery packs can be effectively balanced, the system risk is low and controllable when a bus is short-circuited, the power performance of a ship is not reduced when a single point of failure occurs, and the reliability and safety of the ship are effectively improved.

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.

An operator interface device for a marine vessel includes a frame configured to couple to the marine vessel and a dial coupled to the frame and including a dial. The dial assembly is configured to be rotated by an operator about a dial axis into and between an initial position, a first operational position, and a second operational position. The dial assembly is rotated from the initial position toward the first operational position and when the dial assembly is released the first spring leg acts on the first dial endwall to return the dial assembly to the initial position. In addition, the dial assembly is rotated from the initial position toward the second operational position and when the dial assembly is released the second spring leg acts on the second dial endwall to return the dial assembly to the initial position.

A method of operating an electric vehicle includes receiving, via an operator-actuated accelerator of the electric vehicle, a propulsion command for propelling the electric vehicle. When an actuation rate of the accelerator associated with the propulsion command is a first value, the electric vehicle is accelerated at a first acceleration. When the actuation rate of the accelerator associated with the propulsion command is a second value higher than the first value, the electric vehicle is accelerated at a second acceleration higher than the first acceleration.

A method for controlling a marine drive having a throttle handle moveable to control a thrust and a detent engageable to resist moving the throttle handle. The method includes configuring a position sensor to generate position data corresponding to positions of the throttle handle and receiving the position data from the position sensor. The method further includes analyzing the position data to determine a first position of the throttle handle in which the detent disengages and generating thrust with the marine drive when the throttle handle is moved into the first position.

The invention relates to the technical field of ships, and discloses an energy-saving marine central cooling water system which comprises a seawater cooling system, a high-temperature fresh water cooling system, a low-temperature fresh water cooling system and a control module. The seawater header pipe is used for guiding seawater into the ship, inlet ends of the first seawater pump and the second seawater pump are both connected with the seawater header pipe, and outlet ends are both connected with the central cooler and used for guiding seawater in the seawater header pipe into the central cooler; a first high-temperature fresh water pipeline is arranged at one end of the first high-temperature fresh water pump and one end of the second high-temperature fresh water pump and connected with the inlet end of the host, and the temperature control valve is connected with the outlet end of the host and used for receiving fresh water absorbing heat of the host in the host; the first low-temperature fresh water pipeline is connected with the temperature control valve; the first low-temperature fresh water pump and the second low-temperature fresh water pump are connected with the central cooler; the control module is electrically connected with the seawater cooling system, the high-temperature fresh water cooling system and the low-temperature fresh water cooling system respectively.

A marine drive is for propelling a marine vessel. The marine drive has a propulsor configured to generate a thrust force in a body of water; a battery that powers the propulsor; and a supporting frame which supports the marine drive relative to marine vessel. The supporting frame has a monolithic body defining a frame interior, and further has a support leg extending downwardly from the monolithic body and a steering arm extending forwardly from monolithic body. A cowling is fixed to the supporting frame via at least one hidden fastener that extends from the frame interior, through the supporting frame, and into engagement with the cowl body, wherein hidden fastener being accessible during installation.

A marine drive comprising a powerhead that causes rotation of a driveshaft, a gearcase that supports a propulsor for propelling the marine drive in a body of water, a steering housing disposed between the powerhead and the gearcase, wherein the driveshaft or an extension thereof extends through the steering housing is operatively coupled to the propulsor, and a steering mechanism configured to steer the gearcase about a steering axis relative to the steering housing. The gearcase and steering housing are connected at a steering joint through which at least one of cooling water from the body of water is conveyed to the powerhead throughout steering movement of the gearcase and exhaust from the powerhead is conveyed to the body of water throughout steering movement of the gearcase.

The invention discloses a control method and system based on transient impact suppression in main and auxiliary power switching, and relates to the technical field of ship power system.The method comprises the steps that dynamic parameters of a ship main and auxiliary power system are collected in real time through a multi-source sensor, transient feature extraction and correlation analysis are carried out on the dynamic parameters, and transient impact suppression is carried out on the dynamic parameters; constructing a multi-dimensional impact feature library containing an impact strength quantized value, a power sudden change gradient and an energy compensation demand; and based on the impact feature library, generating a hybrid energy storage cooperative control instruction set through a dynamic weight distribution algorithm, executing a staged transient suppression control sequence in a preset time window, and executing the staged transient suppression control sequence in the preset time window. According to the control method and system based on transient impact suppression in main and auxiliary power switching, stable operation of a ship power system is guaranteed, and meanwhile the service life of equipment is prolonged.

The invention discloses a comprehensive control system and method for carbon emission of a methanol dual-fuel power ship. The method comprises the following steps: analyzing carbon emission characteristics at different moments by collecting and acquiring sensor data in real time; solving based on the constructed carbon emission optimization model in combination with a particle swarm algorithm to obtain the optimal ship navigational speed, adsorbent circulation rate and methanol fuel injection pressure corresponding to the minimum carbon emission of the methanol dual-fuel power ship; cO2 in tail gas is captured in real time through the ship carbon capture unit, the circulation rate of an adsorbent is adjusted in time according to optimization information of the ship navigation optimization control unit, the circulation efficiency of the adsorbent is calculated according to the carbon emission amount, the adsorbent is updated or replaced in time, and the comprehensive control process of the ship carbon emission is comprehensively evaluated. And comprehensive control of ship carbon emission is realized according to the comprehensive evaluation result. The problem of poor carbon emission control effect caused by insufficient cooperative control of a methanol dual-fuel power ship carbon capture device and a power system is solved.

The invention discloses a jet pump type intelligent positioning anchor system for a dual-power ship, and relates to the technical field of electronic anchors, the jet pump type intelligent positioning anchor system comprises a parameter acquisition module, the parameter acquisition module is used for acquiring ship GPS offset information; the power distribution module dynamically adjusts the power output and the angle of the ship dual-power motor in real time based on the data of the parameter acquisition module, and ensures the stability and the control precision of the ship dual-power motor in a dynamic environment; the dynamic compensation module is used for estimating the external disturbing force in real time when the ship sails and performing reverse compensation in thrust calculation; by acquiring the mass and the rotational inertia of the ship body, measuring the longitudinal acceleration and the angular acceleration in real time, calculating the longitudinal inertia force and the inertia moment, and deducting the longitudinal inertia force and the inertia moment from the target longitudinal force and the rotating moment, the sailing direction and the sailing position of the ship can be more accurately adjusted, so that the ship can sail along the preset route more accurately; the risk of deviating from the route is reduced.

The utility model discloses a water area propeller and water area movable equipment. The water area propeller comprises a machine body, an operation device and a locking module. A propelling device used for outputting propelling force for propelling the water area carrier to move is arranged at the end of the machine body. The operation device is rotationally connected to the end, away from the propelling device, of the fuselage body through a transverse connecting shaft, can be folded or unfolded with the fuselage body and is used for being operated by a user to control the water area propeller to operate. The locking module comprises a first locking unit and a second locking unit, and the first locking unit and the second locking unit are arranged in the operation device and the machine body respectively. The operation device and the machine body are locked by the meshing force between the first locking unit and the second locking unit at the position between the transverse connecting shaft and the propelling device, and the operation device forms a suspension beam capable of loading the machine body between the transverse connecting shaft and the locking module.

An outboard engine includes a steering mechanism having a pod propulsion device disposed in water outside a hull; a propulsive drive mechanism that is disposed in the hull and gives a propulsive drive force to the pod propulsion device; and a circulation cooling circuit which has an outward flow path that supplies a cooling oil to the steering mechanism and the propulsive drive mechanism, and an inward flow path which recovers the cooling oil from the steering mechanism and the propulsive drive mechanism, in which the inward flow path and the outward flow path of the circulation cooling circuit communicate with each other inside a case body of the pod propulsion device.

The invention relates to the technical field of ships, in particular to a multipurpose ship which comprises a ship body provided with an exposed deck. The crane is arranged on the exposed deck, and the crane is located on one side of the ship body; the chimney is fixedly arranged on the exposed deck, and the chimney is located on the side, provided with the crane, of the ship body; the living building is fixedly arranged on the exposed deck, and the living building is located at the ship bow of the ship body; the cab is arranged at the top of the living building; the bridge assembly comprises a fixed section and a recovery section, the end, away from the recovery section, of the fixed section is fixedly connected with the side wall of the cab, and the recovery section can be unfolded or folded relative to the fixed section. According to the invention, the limitation of the bridge structure can be reduced, so that the cargo loading efficiency is improved, and the exposed deck area can be fully utilized.

The utility model discloses a methanol fuel supply system of a ship dual-fuel generator, which comprises a methanol fuel supply main pipeline, the methanol fuel supply main pipeline comprises an input pipeline and an FVT input pipeline, and a booster pump, a safety relief valve, a heat exchange system and a filter are sequentially arranged between the input pipeline and the FVT input pipeline. According to the utility model, a high-integration and compact skid-mounted design is adopted, the insufficiency of the ship space is fully considered, and under the condition that the original ship space is utilized, the methanol fuel which is free of impurities and meets the standard can be continuously and stably supplied to the FVT; and a large number of safety measures are designed, so that leakage and seepage of methanol can be effectively handled, and major harm to personnel health and driving safety caused by methanol volatilization is prevented.

The intelligent robot comprises a ship body, a garbage can used for storing garbage and a power module used for driving the ship body to advance, a material collecting opening is formed in the front portion of the ship body in the advancing direction, and the power module is arranged on the rear portion of the ship body in the advancing direction; a mounting opening is formed in the top of the ship body, the garbage can is detachably mounted on the ship body through a quick release mechanism, and the garbage can is provided with a feeding opening opposite to the collecting opening; a battery module for supplying power to the power module is arranged at the bottom of the ship body, and a water-cooling heat dissipation mechanism is further arranged on the battery module. The robot can work for a long time, the maintenance and operation cost is far lower than the cost of employment of cleaning personnel for a long time, meanwhile, the cleaning risk of manual work in a deep water area or in severe weather is effectively reduced, the cleaning efficiency of lake surface garbage is improved, and the safety is also improved.

The utility model discloses a water area propeller and water area movable equipment. The water propeller is used for connecting a water carrier to propel the water carrier to move in the water. The water area propeller comprises a body and an operation device. A propelling device used for outputting propelling force for propelling the water area carrier to move is arranged at the end of the machine body. The operation device is rotationally connected to the end, away from the propelling device, of the fuselage body through a transverse connecting shaft, can be folded or unfolded with the fuselage body and is used for being operated by a user to control the water area propeller to operate. The operation device is provided with a first locking unit, the machine body is provided with a second locking unit, and when the operation device and the machine body are in a folded state, the first locking unit and the second locking unit lock the operation device and the machine body at the position between the transverse connecting shaft and the propelling device. And a suspension beam capable of loading the fuselage main body is formed between a locking position of the operating device between the first locking unit and the second locking unit and a connecting position of the operating device on the transverse connecting shaft.

The invention relates to a ship power supply management method based on a particle swarm algorithm. The method comprises the steps of constructing a sample set R, outputting a load prediction curve function based on current data, executing genetic algorithm global coarse search, searching an elite solution set P, executing particle swarm fine search, and judging whether continuous G generations in the particle swarm fine search update an optimal solution gbest or not. According to the ship power supply management method based on the particle swarm algorithm, through cooperation of genetic algorithm global coarse search and particle swarm fine search, high-dimensional space coverage and fine optimization precision are considered, compared with a single particle swarm algorithm search mode, the efficiency is higher, multi-target weight dynamic adjustment is matched, and the power supply efficiency is improved. According to the method, the single deviation that efficiency neglects cost preferentially or cost neglects stability preferentially is avoided, and a catastrophe mechanism and a closed-loop iteration mode are adopted to adapt to ship dynamic working conditions, so that the problems that high-dimensional space search efficiency is low, local extremum is easy to sink, and multi-target optimization deviates to a single target are solved.

A system configured for controlling a trim position of a trimmable drive unit with respect to a marine vessel. The system includes a trim actuator coupled to the trimmable drive unit and configured to rotate the trimmable drive unit about a horizontal trim axis, at least one obstruction sensor configured to sense obstructions proximate the trimmable drive unit, and a controller operably coupled to the trim actuator and the at least one obstruction sensor. The controller is configured to operate the trim actuator to rotate the trimmable drive unit about the horizontal trim axis, receive a signal from the at least one obstruction sensor indicating an obstruction within a predetermined threshold distance of the trimmable drive unit, and perform a mitigation operation to prevent the trimmable drive unit from impacting the obstruction.