39results about "Steering components" patented technology

A system and method for assisting a drag operation of a floating wind turbine (FWT) is disclosed. The FWT is provided with a wireless communication system and at least one position sensor for measuring the position of the FWT in at least three degrees of freedom. The main towing vessel is connected to the floating wind turbine by a towing line. The main dragging ship comprises a winch, a DP system and a two-way wireless communication system. A drag assist system / module / controller may be combined with a DP system. The one or more auxiliary drag vessels are connected to the floating wind turbine by drag lines. And one or more auxiliary dragging ships are provided with a two-way wireless communication system. A drag assist system / module / controller calculates setpoints (forces and directions) for all drag ships based on one or more input parameters from the floating wind turbine, one or more input parameters from each auxiliary drag ship, and one or more input parameters from the main drag ship.

A module for determining a relative position between an assisting vessel and an assisted vessel connectable to the assisting vessel with a towline The assisting vessel has a winch controlling the towline between the assisting vessel and the assisted vessel. The module estimates the relative position between the assisting vessel and the assisted vessel based on one or more winch parameters. The module may be used in a safety system in towing operations.

The invention discloses a multi-purpose water robot. The multi-purpose water robot comprises a shell, a steering mechanism, a propelling mechanism and a control system, the steering mechanism comprises a rotating disc arranged in the shell in the transverse direction and a steering driving device fixed in the shell, the rotating disc can be driven by the steering driving device to rotate around the central axis of the rotating disc, and the shell floats on the water surface. When the rotating disc rotates, reaction torque applied to the shell can drive the shell to rotate in the direction opposite to the rotating direction of the rotating disc, and steering is achieved. By arranging the rotating disc driven by the steering driving device in the machine body and utilizing the angular momentum conservation principle, when the rotating disc rotates at a high speed around the central axis of the rotating disc, the shell can rotate at a high speed in the opposite direction under the driving of reaction torque, steering is achieved, and dependence on lateral thrust or differential steering of a traditional propeller is not needed; and the turning radius is small, and the problem that a traditional water surface robot is difficult to flexibly avoid obstacles due to the too large turning radius is effectively solved.

A device for controlling an outboard motor through a rotating seat comprises the rotating seat, an electric propeller body, a controller, a bracket body, a lifting mechanism used for driving a pipe frame to ascend and descend and a rotating device used for driving the pipe frame to rotate. The rotating device is mounted on the bracket main body; the rotating device is provided with an angle sensor I used for detecting the rotating angle of the pipe frame. The pipe frame penetrates through the bracket body to be fixedly connected with the underwater propelling mechanism and can slide and rotate relative to the bracket body. The bracket main body is connected with a ship body through a hanging wall; the lifting mechanism is mounted on the bracket main body; an angle sensor II is arranged on a rotating shaft body of the rotating seat; the angle sensor I, the angle sensor II and the gear motor I are all electrically connected with the controller. According to the device, a user controls the driving direction of the ship by rotating the seat, and a certain degree of automation and relaxation of the modern ship and navigation technology are experienced.

A system and method for assisting in towing a floating object is disclosed. The floating object is provided with a wireless communication system and at least one position sensor for measuring the position of the floating object in at least three degrees of freedom. The main towing vessel is connected with the floating object through a towing cable. The main towing vessel comprises a winch, a DP system and a bidirectional wireless communication system. A tow assist system / module / controller may be integrated with the DP system. One or more auxiliary towing boats are connected to the floating object by towing cables. The one or more auxiliary towing boats are provided with a bidirectional wireless communication system. The tow assist system / module / controller calculates setpoints (forces and directions) for all tow vessels based on one or more input parameters from the floating object, one or more input parameters from each auxiliary tow vessel, and one or more input parameters from the main tow vessel.

It is disclosed a system and a method for assisting in towing operations of a floating wind turbine (FWT) An FWT is provided with a wireless communication system and at least one position sensor for measuring a position of the FWT in at least three degrees of freedom. A master tow vessel is connected to the floating wind turbine by a towline. The master tow vessel comprising a winch, a DP system, a two-way wireless communication system. A tow assist system / module / controller may be integrated with the DP system. An assisting tow vessel(s) is connected to the floating wind turbine by a towline. The assisting tow vessel(s) is provided with a two-way wireless communication system. The tow assist system / module / controller calculates set points (force and direction) for all the towing vessels based on input parameter(s) from the floating wind turbine, and input parameter(s) from each assisting towing vessel and input parameter(s) from the master tow vessel.

The invention relates to the technical field of bearings, and provides a rudder air-cooling intermediate bearing which comprises an outer ring, a first air inlet pipe and an outer surface fixedly installed on the outer ring, a one-way valve is arranged on one side of the first air inlet pipe, a second air inlet pipe is fixedly installed on one side of the first air inlet pipe, and a heating tank is fixedly installed at one end of the second air inlet pipe. According to the bearing, lubricating oil is heated at the position of the inner cavity in the bearing through the heating piece, the heating tank is heated by starting the heater, water in the heating tank is heated, the lubricating oil in the inner cavity in the bearing is heated, and the lubricating oil in the inner cavity in the bearing is heated through the heating piece. After heating, water in the heating tank generates water vapor, the water vapor enters a first air inlet pipe through a second air inlet pipe, by rotating a one-way valve, the water vapor in the heating tank can enter a bearing inner cavity through the second air inlet pipe and the first air inlet pipe, and at the moment, the water vapor can make contact with lubricating oil in the inner cavity and heat the lubricating oil.

The invention discloses a revolved body appearance underwater vehicle capable of turning quickly based on a cross universal joint, the revolved body appearance underwater vehicle comprises a front section, a bent section and a rear section which are connected in sequence, the bent section comprises two universal joint seats and a telescopic unit, the two universal joint seats are respectively mounted at the centers of the end surfaces of the front section and the rear section, and the two universal joint seats are connected and combined to form the cross universal joint; the telescopic units are evenly distributed around the cross universal joint, and the two ends of each telescopic unit are connected with the end face of the front section and the end face of the rear section through spherical hinges correspondingly. During rapid turning, the bent section is bent, the action point of water resistance of the bent incident flow surface of the front section deviates from the underwater vehicle, deflection torque is generated, and the underwater vehicle is made to rapidly turn. According to the structure, deflection torque generated by water resistance is ingeniously utilized to achieve rapid turning, and the turning speed can be effectively increased.

The present disclosure relates to a retrofit robotic apparatus and method for remote manoeuvring of a vehicle. The method for remotely manoeuvring a vehicle using a retrofit robotic apparatus, comprising: a remote operator inserting control signals into a remote user interface; the remote user interface transmits said control signals to a control unit of a robotic apparatus installed in the vehicle; the retrofit robotic apparatus mechanically actuating the vehicle's driving mechanisms based on the received control signals; the retrofit robotic apparatus providing real-time feedback to the remote operator, enabling continuous control of the vehicle; wherein providing the real-time feedback comprises: capturing data from sensors monitoring the vehicle, in particular speed, position and environment conditions; transmitting said data to a remote user interface in real-time; simulating real-time vehicle conditions for remote operator control.

The invention relates to a method for operating an autonomous watercraft (20) with a drive and control unit (28) for maneuvering the autonomous watercraft (20), comprising the following steps: a) detecting environment information of the autonomous watercraft by means of a sensor system (24) comprising a sensor or a plurality of sensors, b) outputting one sensor signal (26) per sensor (24'), corresponding to the environment information; c) actuating the drive and control unit (28) in such a way that the watercraft (20) travels along a preplanned route; d) detecting an event on the basis of the sensor signal or the sensor signals and determining a risk of the event for the watercraft (20); e) actuating the drive and control unit (28) in such a way that the watercraft performs an evasive maneuver in order to avoid or mitigate the event, if the risk exceeds a threshold value; f) training an algorithm by means of machine learning for controlling the autonomous watercraft by means of training data on the basis of the sensor signals and on the basis of control signals for actuating the drive and control unit.

The invention provides a directional floating lifesaving device which comprises a floating body and a current collecting rudder fin, the directional floating lifesaving device has a directional flow breaking direction, and the directional floating lifesaving device has small water flow resistance in the flow breaking direction. The current collecting rudder fin protrudes out of the bottom face of the floating body in the state of inclining to the current breaking direction so as to correspond to the current collecting rudder fin when the directional floating lifesaving device is placed in water and forms water flow based on relative movement with the water in the water breaking direction. The current collection rudder fin is impacted by water flow to generate lateral directional floating force facing the water breaking direction, and therefore directional floating is achieved under the action of the water flow.

This invention relates to the field of ship design and propulsion technology, and discloses a catamaran and its control method. The catamaran includes a hull, with the width direction defined as the direction perpendicular to the catamaran's direction of travel in a horizontal plane. The hull includes a first hull and a second hull arranged symmetrically and at intervals along the width direction, with a channel formed between the first and second hulls along the width direction. It also includes a propulsion assembly disposed in the channel, comprising at least one fin adapted to oscillate to drive the catamaran's movement. This invention solves the problems of high propeller noise, cavitation, and difficulty in towing loads in related technologies for catamarans.

The invention discloses an underwater steering control method and device, a vehicle and a storage medium thereof, and relates to the field of vehicle control. The underwater steering control method comprises the steps that the fording depth of the environment where the vehicle is located is obtained, and the water depth level is determined according to the fording depth; the steering demand level of the vehicle is obtained, and the steering demand level indicates the steering speed of the vehicle; target steering equipment of the vehicle is determined according to the water depth level and the steering demand level; the target steering equipment is equipment of the vehicle for executing steering in water; and controlling the vehicle to steer in water based on the target steering equipment. The steering flexibility of the vehicle in the water can be improved, accidental injuries to the vehicle and a driver due to slow steering of the vehicle in the water are avoided, high energy consumption of vehicle work due to the fact that all steering devices are used at the same time when different steering requirements are met is avoided, and the driving safety of the vehicle is improved. And the problem that the vehicle cannot be controlled to steer in water when a certain steering device breaks down is solved.

A remotely controlled boat with sterilization and disinfection function, characterized in that: It includes an electric remote-controlled boat; The electric remote-controlled boat is equipped with a removable disinfection box, designed to hold a disinfectant with sterilizing properties and capable of releasing it into the water to sterilize and disinfect the water body; The electric remote-controlled boat has a solar light attached to its top.

The present invention generally relates to a computer-implemented method for proactive environmental disturbance rejection in marine vessels (10), comprising: acquiring (S102) environmental disturbance data (28, 31, 33) from sensors (26, 30, 32), predicting (S104) environmental disturbance on the marine vessel from the environmental disturbance data and environmental disturbance models (19), calculating (S106) a physical impact on the marine vessel (10) when subject to the predicted environmental disturbance, determining (S108) proactive control actions for at least partly counteracting the calculated physical impact, providing (S110) the proactive control actions (C) to a propulsion system (12, 708) and / or a stabilization system (49, 710) of the marine vessel.

An apparatus for disabling of motor vessels moving in a waterbody. An energetic (i.e. explosive), as part of a floating assembly, is brought into contact with a motorized marine vessel's propulsion unit(s) and / or steering system, referred to generally as the underwater drive unit, due to the vessel's own motion relative to a floating line. The energetic then detonates and disables the underwater drive unit, thereby halting progress of the vessel while not harming any occupants thereof.

This invention relates to a control device for a wing sail of an unmanned surface vessel (USV), comprising a structural component, an adjustment component, and a rotational speed monitoring mechanism. The structural component includes a frame assembly and a wing sail. The wing sail is disposed on one side of the frame assembly, and the adjustment component is disposed inside the frame. The adjustment component is connected to the rotational speed monitoring mechanism and can adjust the orientation of the wing sail. The adjustment component includes a position control element, a clutch mechanism, and a locking mechanism. The position control element controls the states of the clutch mechanism and the locking mechanism. By utilizing external airflow as the driving force for wing sail steering, no additional power input is required. The adjustment and locking / unlocking control of the wing sail orientation are achieved only through low-power control components, thereby reducing the energy consumption of the USV and improving the convenience of steering control.

The application discloses a twist rudder adaptive course control method and system, relates to the field of intelligent manufacturing equipment, and solves the problems that current twist rudder adaptive course control methods cannot control the angle according to the real-time state of a ship and the adjustment of the twist rudder of the ship is too frequent, and the method comprises the following steps: collecting a ship route path and real-time navigation data; performing real-time analysis on the perpendicular distance between the ship and a route segment to obtain a reference route segment of the ship at the current moment; analyzing the actual course deviation angle of the ship according to the reference route segment of the ship at the current moment; judging the yawing state of the ship at the current moment according to the reference route segment and the actual course deviation angle; and analyzing the control direction of the ship to realize the control of the corresponding course of the ship, so that the adaptive control and intelligent control of the twist rudder course are realized.

This invention proposes a multi-directional pulse propulsion underwater soft robot and its operating method based on bistable SMA (Stable Motion Assisted Mullion) drive, belonging to the field of underwater robot technology. It solves the problems of slow swimming speed and low energy utilization efficiency of traditional underwater flexible soft robots, as well as the slow engine reset, requirement for a dedicated reset mechanism, inability to achieve continuous motion, and single-direction pulse jet propulsion of SMA-driven soft robots. The robot includes a biomimetic bell-shaped jar, a propulsion actuator, and a center-of-gravity adjustment mechanism. The biomimetic bell-shaped jar surrounds the propulsion actuator and the center-of-gravity adjustment mechanism. The propulsion actuator includes a support transmission structure and a bistable SMA actuator. The bistable SMA actuator includes two sets of SMA springs arranged in an antagonistic manner, achieving continuous pulse propulsion through alternating on and off-circuit power. The center-of-gravity adjustment mechanism includes an azimuth rotation component and a radial displacement component, achieving 360° omnidirectional center-of-gravity adjustment in the horizontal plane. It is mainly used for deep-sea exploration and continuous underwater monitoring operations.

This invention relates to a parachute sea anchor system deployable from a payload tube. There is provided a parachute sea anchor system suitable for launch from a vessel comprising at least one payload tube, said payload tube, comprising a payload canister, which comprises a parachute sea anchor, wherein said parachute sea anchor comprises a buoy tethered thereto, wherein said payload canister is attached to said vessel.

The utility model discloses an aluminum ship spray adjusting device which comprises a steering plate, a sleeve is vertically fixed to the tail of the steering plate and sleeved on a fixing shaft, a steering assembly is arranged at the top of the sleeve, the orientation of the steering plate is controlled through the steering assembly, and spray adjusting assemblies are arranged on two sides of the steering plate. According to the water spray adjusting device, a large amount of water spray caused by steering can be reduced, and turning of a water body caused by the water spray is reduced.

To provide a ship capable of reducing influence caused by an attitude of the ship.SOLUTION: The marine vessel includes a propulsion device, an accelerator, a trim adjuster, and a controller that controls the trim adjuster and a trim position. The trim positions include a bow-up position (U3) for achieving a bow-up attitude in which the bow is raised, and at least one normal position (D1, N, U1, U2) for achieving a normal attitude in which the bow is closer to the water surface than in the bow-up attitude. The controller is configured or programmed to determine whether or not the hull is in a bow-up attitude, and to execute a forced trim-down control to control the trim position to a normal position when a duration of the bow-up attitude reaches a predetermined time limit. The controller may prohibit changing to the bow-up position during a predetermined restart prohibition time after executing the forced trim-down control.SELECTED DRAWING: Figure 7A

The application discloses a marine engine telegraph and a ship control system, and belongs to the technical field of ship control. The marine engine telegraph comprises a propulsion base body; a plurality of propulsion control mechanisms are adjustably arranged on the propulsion base body, each of the propulsion control mechanisms is connected with a ship propulsion main engine; a rotation base body is rotationally connected with the propulsion base body; a rotation control mechanism is arranged on the rotation base body and connected with the propulsion base body, and is used for controlling a ship rotation mechanism; and a disengaging mechanism comprises a first disengaging part and a second disengaging part, at least one of the propulsion control mechanisms is connected with the first disengaging part, at least one of the propulsion control mechanisms is connected with the second disengaging part, and the disengaging mechanism has a first state and a second state, in the first state, the first disengaging part is connected with the second disengaging part. The application is beneficial to integrating the individual control or synchronous control of a plurality of ship propulsion main engines and the control of the ship rotation function, improving the flexibility and convenience of ship control, and reducing the space occupation of a ship driving control room.

The boat propulsion system includes a boat main propulsion device, a boat auxiliary propulsion device having a maximum output smaller than the maximum output of the boat main propulsion device, and a controller provided in the boat auxiliary propulsion device, and when a first condition of the boat auxiliary propulsion device is met, the controller performs an information process to notify the outside of the occurrence of the first condition.

It is disclosed a system and a method for assisting in towing operations of a floating object A floating object is provided with a wireless communication system and at least one position sensor for measuring a position of the floating object in at least three degrees of freedom. A master tow vessel is connected to the floating object by a towline. The master tow vessel comprising a winch, a DP system, a two-way wireless communication system. A tow assist system / module / controller may be integrated with the DP system. An assisting tow vessel(s) is connected to the floating object by a towline. The assisting tow vessel(s) is provided with a two-way wireless communication system. The tow assist system / module / controller calculates set points (force and direction) for all the towing vessels based on input parameter(s) from the floating object, and input parameter(s) from each assisting towing vessel and input parameter(s) from the master tow vessel.

The invention provides a double-screw-shaft-driven bionic underwater robot based on magnetic linkage and an operation method, multiple groups of connecting columns are fixed on the tail end surface of a fish head structure, the tail parts of the connecting columns are connected with a fish tail structure through skeleton rods, and a first driving disc and a second driving disc are symmetrically and rotatably mounted on the tail end surface of the fish head structure; a first spiral line shaft is fixedly installed on the first driving disc, a second spiral line shaft is fixedly installed on the second driving disc, and the other end of the first spiral line shaft and the other end of the second spiral line shaft are rotationally installed on the inner side wall of the fishtail structure. A first link mechanism capable of swinging is movably arranged outside the first spiral line shaft, and one end of the head of the first link mechanism is hinged to the connecting column through a connecting rod; a second link mechanism capable of swinging is movably arranged outside the second spiral line shaft, and one end of the head of the second link mechanism is hinged to the connecting column through a connecting rod. The robot achieves efficient advancing and flexible steering through an innovative double-spiral-shaft cooperative driving mechanism, and is simple in structure, low in energy consumption, high in adaptability and suitable for the fields of ocean monitoring, underwater rescue and the like.

A remote-control unit for control a marine vessel is provided with a thruster actuator and engine actuators. When the marine vessel lacks a thruster, the thruster actuator, when operated, causes the remote-control unit to transmit engine control signals to each of at least two engines to achieve a virtual thruster effect by the marine vessel.

To provide a ship capable of effectively using resistance accompanied with power generation in a power generation section.SOLUTION: A ship 1 comprises power generation parts 40A, 40B provided at separated positions in a lateral direction D2 with respect to a center position CL in the lateral direction D2 of a hull 11 and generating electricity by a flow of water. For this reason, the power generation parts 40A, 40B generate resistance at the position accompanied with power generation. In response to this, an adjustment part 41 adjusts a moment acting on the hull 11 by the power generation parts 40A, 40B. Hence, the resistance accompanied with power generation by the power generation parts 40A, 40B can be used to adjust the moment acting on the hull.SELECTED DRAWING: Figure 3