285results about "Steering by propulsive elements" patented technology

A system and method for enhancing marine vessel efficiency through integrated hull optimizations is disclosed. The system includes automated bow thruster covers that reduce hull drag and condition water flow, coupled with strategically positioned air lubrication nozzles that create and maintain an air layer under the vessel. The bow thruster covers may be configured as circular doors or parallel panels, optionally incorporating air discharge ports or working in conjunction with dedicated air jets. An intelligent control system optimizes the integrated components using real-time sensor data and computational fluid dynamic analysis. The system modulates air distribution and cover positions based on sea conditions and vessel speed, maintaining optimal efficiency during operation. External surfaces may incorporate superaerophilic structures to enhance air retention and reduce drag. The comprehensive integration of these components provides improved hydrodynamic efficiency while maintaining full bow thruster functionality when required.

The embodiment of the invention relates to a suspension collaborative steering and fault-tolerant method for a wave adaptive unmanned ship, and the method comprises the steps: collecting the environment perception information and attitude data of the unmanned ship in real time, and carrying out the fusion processing, and generating a multi-source data matrix; pre-judging the front sea condition based on the multi-source data matrix, and when the sea condition characteristic parameters meet preset dynamic adjustment conditions, adjusting the expansion and contraction amount of each group of electromagnetic suspensions in a pre-judgment time window so as to form a draught gradient adapting to the sea condition change; when a steering instruction is received, the draft difference of floating bodies on the two sides of the unmanned ship and the thrust difference of propelling systems on the two sides are synchronously adjusted, so that the steering track is controlled, and transverse inclination of the ship body is restrained; in the sailing process, the working states of the electromagnetic suspension and the propelling system are monitored in real time, faults are classified, when it is detected that the execution units are abnormal, a fault-tolerant reconstruction strategy is triggered according to the fault types, and stress distribution or propelling thrust is reconstructed by locking abnormal parts and utilizing the remaining execution units, so that the sailing capacity of the unmanned ship is maintained.

A method for maintaining a marine vessel at a target position in a body of water, the method being carried out by a processing system and including: estimating at least one roughness condition of the body of water based on measurements related to an attitude of the marine vessel; calculating a desired linear velocity based on a difference between an actual position of the marine vessel and the target position; filtering an actual linear velocity of the marine vessel based on the roughness conditions; and operating a propulsion system of the marine vessel to move the marine vessel to minimize a difference between the desired linear velocity and the filtered actual linear velocity. A method for maintaining a marine vessel at a target heading in a body of water is also disclosed.

The invention discloses a hardened channel algae biofilm removing system based on high-pressure jet flow and an intelligent control method. The system comprises an unmanned catamaran, a high-pressure jet generating device, an intelligent sensing module and an embedded central controller module. The unmanned catamaran is a system carrier, the high-pressure jet flow generating device achieves targeted removal of the algae biological membrane through self-adaptive jet flow, and the intelligent sensing module comprises a multispectral imager for recognizing the distribution characteristics of the biological membrane in real time and a laser distance measuring sensor for obtaining the distance between the removal system and the algae biological membrane. The embedded central controller module is a fuzzy PID algorithm for dynamically adjusting jet parameters and the motion trail of the mechanical arm and an artificial intelligence algorithm for optimizing the operation cycle based on historical data. The system adopts a full-automatic intelligent working mode, and integrates technologies of intelligent sensing, a self-adaptive cleaning mode, a water-saving algorithm, automatic nest-returning charging and the like. The system is easy and convenient to operate and low in running cost, the clearing efficiency reaches 92% or above, water is saved by 30% or above, and the system is an efficient and applicable technology for guaranteeing stable water quality and safe water delivery of the long-distance water delivery trunk canal.

A watercraft propulsion system includes a first propulsion device attachable to a hull, a second propulsion device attachable to the hull adjacent to the first propulsion device, a first steering device to steer the first propulsion device, a second steering device to steer the second propulsion device, and a controller configured or programmed to control the first propulsion device, the second propulsion device, the first steering device, and the second steering device. The controller is configured or programmed to determine whether or not a predetermined load torque increase condition is satisfied in which a steering load torque of the second propulsion device is likely to be increased by a water jet generated by the first propulsion device, and to perform a propulsive force restricting control to restrict the propulsive forces of the first propulsion device and the second propulsion device if the predetermined load torque increase condition is satisfied.

To provide a vessel capable of improving propulsion performance of each method when a hull is propelled by a wind power propulsion unit and when the hull is propelled by a propeller.SOLUTION: A vessel 1 comprises: a propeller 12 that generates thrust for a hull 11; and a wind power propulsion unit 10 that propels the hull 11 by means of wind power. Thus, the vessel 1 can propel the hull 11 by the wind power propulsion unit 10 when wind is strong, and propel the hull 11 by the propeller 12 when wind is weak. The hull 11 is propelled toward a bow during machine traveling where the hull 11 is propelled by the propeller 12, and the hull 11 is propelled toward a stern during sailing where the hull 11 is propelled by the wind power propulsion unit 10. In this case, the vessel 1 can be structured so as to suit the machine traveling for propulsion of the vessel 1 toward the bow. The vessel 1 can be structured so as to suit the sailing for propulsion of the vessel 1 toward the stern.SELECTED DRAWING: Figure 3

A watercraft operating system includes a plurality of marine propulsion devices, a joystick, a thrust selector, and a controller. The thrust selector is operable to select one of a plurality of thrust modes including a limiting mode, which limits a forward thrust and a rearward thrust, and a non-limiting mode which does not limit at least one of the forward thrust and the rearward thrust. The forward thrust is generated by each of the plurality of marine propulsion devices when the joystick is tilted forward, whereas the rearward thrust is generated when the joystick is tilted rearward. The controller is configured or programmed to control a rudder angle and an output of each of the plurality of marine propulsion devices in accordance with the selected thrust mode, a tilt direction of the joystick, and a tilt amount of the joystick.

This invention relates to the field of marine equipment technology, and provides an integrated lifting and steering structure for a marine jacking machine, as well as the marine jacking machine itself. The integrated lifting and steering structure includes a screw, a housing, and a first sleeve, a second sleeve, a first stator assembly, and a second stator assembly disposed within the housing. The screw passes through the upper and lower ends of the housing, with its lower end used to connect to a propeller. The first and second sleeves are respectively sleeved on the screw. The first sleeve is threadedly connected to the screw, while the second sleeve slides axially and is circumferentially limited by the screw. The first and second sleeves are located at the centers of the first and second stator assemblies, respectively, and are configured as the rotors of the first and second stator assemblies. This achieves a truly highly integrated, compact, and independently reliable integrated design, significantly improving the overall rigidity and durability of the equipment.

A marine rotating seat control device integrated with a portable function box comprises a power module, a propeller controller, a seat and the function box. The power supply module and the propeller controller are integrated in the functional box, and the seat and the functional box are connected through the rotating base; a first connecting seat of the rotating base is fixedly connected with the seat base, and a second connecting seat of the rotating base is fixedly connected with the top surface of the functional box; the first connecting seat is in running fit with the second connecting seat; an angle sensor used for detecting the rotating angle of the seat is installed on the rotating base and electrically connected with the propeller controller. The driving direction of the ship is controlled through the rotating seat, a new mode for controlling the ship is provided for water traveling enthusiasts, an operator can control the moving direction of the ship by only sitting on the rotating seat and twisting the seat, new experience is brought to the operator, and the navigation fun is increased.

The invention relates to the technical field of marine equipment, and provides a lifting and steering integrated structure of a marine top flow machine and the marine top flow machine. The lifting and steering integrated structure of the marine top flow machine comprises a screw rod, a shell, a sleeve, a nut, a motor, a first transmission mechanism, a second transmission mechanism and a first clutch mechanism, the screw penetrates through the upper end and the lower end of the shell, the lower end of the screw is used for being connected with the propeller, the screw is sleeved with the sleeve, the sleeve and the screw axially slide and are circumferentially limited, the nut is in threaded connection with the screw, the sleeve and the nut are connected with the first transmission mechanism and the second transmission mechanism respectively, and the motor is in driving connection with the joint end of the first clutch mechanism. According to the integrated design, the structure is extremely simplified, the manufacturing cost and the installation and maintenance complexity are reduced, and due to the fact that mechanical connecting points are reduced, the overall rigidity and the long-term operation stability and reliability under the severe working conditions of ship vibration, seawater corrosion and the like are remarkably improved.

While hull-home and operating in a heading adjustment mode, the control system of the disclosed craft receives indications of a target craft heading and an observed craft heading. Embodiments include determining that the difference in heading is above a threshold, determining an adjusted wing-affixed control setting for affecting a change in the observed heading of the craft based on at least (a) sensed environmental conditions, (b) the initial wing- affixed control setting, (c) the target craft heading, and (d) the observed craft heading; and operating wing-affixed control element(s) according to the adjusted wing-affixed control setting to change the observed heading of the craft to the target craft heading. After determining that the heading difference is not above the threshold heading difference, the wing-affixed control setting is adjusted to forgo affecting further change in the observed heading of the craft.

The application discloses a marine propeller, which comprises a shell, a control assembly, an underwater engine, a signal wire assembly, an upper power slip ring, a lower power slip ring and a bridge device arranged on the shell, wherein the bridge device comprises an upper gear transmission assembly connected with the control assembly, a lower gear transmission assembly connected with the underwater engine and a bridge gear engaged with the upper gear transmission assembly and the lower gear transmission assembly; the upper gear transmission assembly and the lower gear transmission assembly are spaced apart, so that an external wire space is formed, in which the upper power slip ring can be arranged on the upper gear transmission assembly and the lower power slip ring can be arranged on the lower gear transmission assembly; and the signal wire assembly passes through the upper power slip ring and the lower power slip ring.

This ship maneuvering device causes a ship having at least one propulsion device mounted thereon to travel along a scheduled course. The ship maneuvering device is provided with a control unit. The control unit acquires an azimuth deviation between an actual bow azimuth, which is the current bow azimuth of the ship, and a target bow azimuth of the ship, and, on the basis of the azimuth deviation, generates a thrust command that indicates the thrust with which the ship is to be propelled. In the case where the azimuth deviation is equal to or greater than a prescribed value, the control unit generates a thrust command such that causes the speed of the ship is reduced below an actual speed which is the current speed of the ship.

The invention discloses a turtle and fish dual-form conversion underwater operation robot which is characterized by comprising a deformation structure, a power structure, a survey module and a control unit, the control unit is respectively connected with and controls the deformation structure, the power structure and the surveying module, and the control unit controls the deformation structure to realize conversion of a tortoise form and a fish form of the robot underwater; the fish form is a state presented when the side wing shells contract, so that the robot forms a fish-like form underwater, has certain advantages during rapid movement or underwater operation, is integrally streamlined, has a certain effect of reducing underwater resistance, and can reduce certain obstacles during underwater movement; the operation is fast.

The embodiment of the invention discloses a vector propulsion device for an underwater robot and a control method of the vector propulsion device. A steering engine support is located in a tail fairing; the steering engine support and the motor support are in a cylinder shape with the front ends closed and the rear ends open and are coaxially nested. The steering engine is mounted on the inner side of the front end of the steering engine bracket; an output shaft is fixedly connected with the steering engine gear; round through holes are formed in the upper sides and the lower sides of the cylinder walls of the rear ends of the steering engine support and the motor support, rotating shafts are arranged between the upper through holes and the lower through holes, one ends of the two rotating shafts are embedded into the motor support in an interference mode, and the other ends of the two rotating shafts and the steering engine support form a rotating pair through bearings. The sector gear is connected to the outer side of the front end of the motor support and meshed and matched with the steering engine gear. And the pushing motor module is coaxially and fixedly connected with the motor bracket. According to the technical scheme, the transmission path can be shortened, control precision is improved, occupied space is reduced, and manufacturing cost is reduced.

According to the present invention, a route controller generates a route (56) that makes a ship (95) dock at a berthing facility. The route (56) includes a first location (P1) and a second location (P2). The first location (P1) is a via point (via point (A7) in the example in the selected drawing) that is offset a prescribed distance in a direction that is orthogonal to the direction in which the berthing facility is oriented from a docking point (B1) (the second location (P2)) for the ship (95) at the berthing facility. The second location (P2) is the docking point (B1) for the ship (95) at the berthing facility. The first location (P1) is immediately before the second location (P2) in the sequence to be realized by the ship (95). The route (56) is generated such that the ship (95) remains oriented in the direction in which the berthing facility is oriented as the ship (95) moves from the first location (P1) to the second location (P2).

A watercraft propulsion system (100) includes a main propulsion device (OM) attachable to a hull (2), an auxiliary propulsion device (EM) attachable to the hull (2) and having a lower rated output than the main propulsion device (OM), a lift (69) to move up and down a propeller (60) of the auxiliary propulsion device (EM) between an underwater position and an above-water position, and a controller (101). The controller (101) is configured or programmed to restrict the auxiliary propulsion device (EM) from being driven when the propeller (60) of the auxiliary propulsion device (EM) is in the above-water position.

A tunnel thruster of a pleasure boat includes a propeller and a tunnel. The tunnel is installed through and across the at least one hull, from a first aperture at a first side of the hull to a second aperture at a second side of the hull. The propeller rotates about a propeller principal axis within the tunnel so that, when the pleasure boat is level, the propeller principal axis is substantially horizontal and substantially perpendicular to a disc swept by the propeller. The tunnel thruster is operable to drive water between the first and second apertures to provide lateral thrust to the hull. Each of the first and second apertures has a respective highest point, and the top of the disc swept by the propeller is located at a position higher than the respective highest points of the first and second apertures when the pleasure boat is level.

A watercraft propulsion system includes a main propulsion device attachable to a hull, an auxiliary propulsion device attachable to the hull and having a lower rated output than the main propulsion device, a lift to move up and down a propeller of the auxiliary propulsion device between an underwater position and an above-water position, and a controller. The controller includes a plurality of control modes including a combined use mode in which a propulsive force generated by the main propulsion device and a propulsive force generated by the auxiliary propulsion device are used in combination. The controller is configured or programmed to restrict the main propulsion device and the auxiliary propulsion device from being driven according to the combined use mode when the propeller of the auxiliary propulsion device is in the above-water position.

A method for controlling the heading of a ship, according to one embodiment of the present disclosure, may comprise the steps of: acquiring a preset route and a direction (COG) in which a ship actually moves; acquiring a position spaced a preset distance apart from the current position of the ship in the direction in which the ship actually moves; using the current position of the ship and / or the acquired position so as to set a virtual route that extends in parallel to the preset route; and generating a command for controlling the heading of the ship so that same follows the virtual route.

This invention provides an automated ship handling system and ship control method that allow other vessels to easily recognize the ship's handling status. [Solution] The automatic ship handling system (2) includes a propulsion unit (20) for propelling the ship (1), a steering device (30) for changing the ship's course, a display device (60) for visually informing other ships of the ship's status, and a controller (41). The controller performs automatic ship handling control, which controls the propulsion unit and steering device for automatic ship handling from the point of departure to the destination, and controls the display device according to the status of the automatic ship handling control. The controller controls the display device to distinguish and display a plurality of states, including the state in which automatic ship handling control is being performed and the state in which automatic ship handling control is not possible.

The invention discloses a high-power pod hydraulic steering mechanism, and relates to the field of ship steering, the high-power pod hydraulic steering mechanism comprises a hydraulic motor, a brake auxiliary assembly is arranged between the outer side of a bearing seat and the bottom of a brake device, and the brake auxiliary assembly increases the friction force of a brake disc during braking in heavy storm waves; and the compensation assemblies are arranged on the upper side and the lower side of the interior of the brake device, and the compensation assemblies conduct difference value compensation in time when abrasion of the friction plates is reduced. According to the hydraulic steering mechanism of the high-power pod, large torque output of the polar-level high-power pod under the conditions of ice breaking and ice clamping is well met through hydraulic steering, the required torque is allowed to be sent out for a long time, the steering function reliability is high, the function redundancy is enough, the friction resistance of the friction plates can be increased in the case of heavy storm waves, and the reliability of the high-power pod is improved. The sailing direction of the braking component is kept during steering, meanwhile, difference compensation can be conducted in time when the friction plates are abraded, and the braking effect is kept.

The invention provides a marine electronic steering system and method, and relates to the technical field of ship steering. The marine electronic steering system comprises a controller, a turning angle detection structure, a steering wheel mechanism and a steering execution mechanism, the turning angle detection structure detects the turning angle of the steering wheel mechanism and is in communication connection with the controller, the controller is in communication connection with the steering execution mechanism, and the steering execution mechanism is in communication connection with the steering wheel mechanism. The steering executing mechanism is in driving connection with the ship propeller and enables the propelling direction of the ship propeller to deflect.

A watercraft propulsion system includes a primary propulsion device, an auxiliary propulsion device, a tilt cylinder, a keeping mode setting button, and a main controller. The primary and auxiliary propulsion devices are attached to a hull of a watercraft, and the auxiliary propulsion device includes an electric motor as a power source. The tilt cylinder changes a tilt angle of the auxiliary propulsion device with respect to the hull. The keeping mode setting button issues a command to execute a keeping mode to keep the hull either at a predetermined target position or oriented in a predetermined target compass direction. When the command to execute the keeping mode is issued by the keeping mode setting button, the main controller is configured or programmed to execute the keeping mode by setting either the predetermined target position or the predetermined target compass direction based on the tilt angle of the auxiliary propulsion device.

An operation apparatus configured to operate a ship propulsion machine includes: a remote control device including a holder and an operation lever swingably supported, and configured to perform a shift switching operation of the ship propulsion machine and an operation of increasing / decreasing a rotation speed of a power source of the ship propulsion machine; a gauge device including a display device and configured to display information regarding the ship propulsion machine including information indicating a shift position of the ship propulsion machine and the rotation speed of the power source; and a case to which the remote control device and the gauge device are each attached, and which integrates the remote control device and the gauge device. In the case, the remote control device and the gauge device are disposed adjacently to each other in a front-rear direction of the ship.

The application discloses a differential steering hybrid unmanned ship and a steering control method thereof. The unmanned ship comprises a ship body, the ship body comprises two elongated floats, the two floats are arranged in a horizontal direction and parallel to each other, and the tail of each float is provided with a propeller; a solar cell panel support plate is arranged above the ship body, and a solar cell panel is fixedly arranged on the solar cell panel support plate; a sail comprises a left sail and a right sail, the left sail is arranged at the front of one of the floats through a rotating shaft, the right sail is arranged at the rear of the other float through a rotating shaft, the top and bottom of the rotating shaft are rotationally connected with the solar cell panel support plate and the float respectively; a driving device is fixedly arranged at the upper end of the rotating shaft and used for controlling the rotation angle of the rotating shaft; and a control system is used for collecting the direction of the sail, the wind direction, the latitude and longitude of the unmanned ship, the pointing data of the ship body of the unmanned ship, and performing steering control of the unmanned ship based on the collected data.