A marine vessel includes a distance detector that measures a distance to an object, a speed detector that detects a vessel speed, and a controller that executes on-shore/off-shore assistance control to control a propulsion unit to generate a thrust that moves a vessel body in a direction opposite to
A marine vessel includes a distance detector that measures a distance to an object, a speed detector that detects a vessel speed, and a controller that executes on-shore/off-shore assistance control to control a propulsion unit to generate a thrust that moves a vessel body in a direction opposite to a direction toward the object based on the distance to the object measured by the distance detector and the vessel speed detected by the speed detector.
대표청구항▼
1. A marine vessel comprising: a vessel body;an engine located on the vessel body;a propulsion unit that is driven by the engine and generates a thrust that moves the vessel body;a distance detector that measures a distance to an object;a speed detector that detects a vessel speed; anda controller c
1. A marine vessel comprising: a vessel body;an engine located on the vessel body;a propulsion unit that is driven by the engine and generates a thrust that moves the vessel body;a distance detector that measures a distance to an object;a speed detector that detects a vessel speed; anda controller configured or programmed to execute a docking/moving away from shore assistance control during which a vessel operator uses a steering operator and/or a remote controller to dock the marine vessel or move the marine vessel away from shore, and in which the controller automatically controls the propulsion unit to generate a thrust that moves the vessel body in a direction opposite to a direction toward the object based on the distance to the object measured by the distance detector and the vessel speed detected by the speed detector. 2. The marine vessel according to claim 1, wherein the controller is configured or programmed to change, in stages, a magnitude of the thrust that moves the vessel body in the direction opposite to the direction toward the object based on the distance to the object and the vessel speed. 3. The marine vessel according to claim 1, wherein the propulsion unit includes a plurality of propulsion units; andthe controller is configured or programmed to control, independently of each other, directions in which thrusts of the plurality of propulsion units are generated. 4. The marine vessel according to claim 1, wherein the controller is configured or programmed to execute the docking/moving away from shore assistance control based on a turning angular velocity of the vessel body. 5. The marine vessel according to claim 1, wherein the controller is configured or programmed to acquire the thrust of the propulsion unit based on at least one of an engine rotational speed and a propeller rotational speed, and to execute the docking/moving away from shore assistance control based on the acquired thrust of the propulsion unit. 6. The marine vessel according to claim 1, further comprising the remote controller that allows the vessel operator to switch a shift state of the propulsion unit and a throttle opening degree of the engine; wherein the controller is configured or programmed to start the docking/moving away from shore assistance control when the remote controller is operated such that the shift state of the propulsion unit is a neutral state and the throttle opening degree of the engine is an idling opening degree. 7. The marine vessel according to claim 1, wherein the propulsion unit includes a jet propulsion unit that moves the vessel body in a forward-rearward direction. 8. The marine vessel according to claim 7, wherein the controller is configured or programmed to control the jet propulsion unit to generate, in the forward-rearward direction, the thrust that moves the vessel body in the direction opposite to the direction toward the object in the docking/moving away from shore assistance control. 9. The marine vessel according to claim 1, wherein the propulsion unit includes a side thruster that moves the vessel body in a right-left direction. 10. The marine vessel according to claim 9, wherein the controller is configured or programmed to control the side thruster to generate, in the right-left direction, the thrust that moves the vessel body in the direction opposite to the direction toward the object in the docking/moving away from shore assistance control. 11. The marine vessel according to claim 1, further comprising an alarm that provides a warning when the vessel speed is equal to or more than a predetermined speed when the vessel body enters a predetermined range from the object in the docking/moving away from shore assistance control executed by the controller. 12. The marine vessel according to claim 11, wherein the controller is configured or programmed to control the propulsion unit to generate the thrust that moves the vessel body in the direction opposite to the direction toward the object when the vessel body is not reduced in speed after the warning. 13. The marine vessel according to claim 11, wherein the controller is configured or programmed to control the propulsion unit to reduce or prevent generation of a thrust that moves the vessel body in the direction toward the object when the vessel body is not reduced in speed after the warning. 14. The marine vessel according to claim 13, wherein the controller is configured or programmed to limit an upper value of a throttle opening degree of the engine to reduce or prevent generation of the thrust that moves the vessel body in the direction toward to the object. 15. The marine vessel according to claim 1, wherein the controller is configured or programmed to determine whether or not the marine vessel is docking or moving away from shore, and to execute the docking/moving away from shore assistance control when determining that the marine vessel is docking or moving away from the shore. 16. The marine vessel according to claim 15, further comprising: the steering operator on which the vessel operator performs a steering operation;the remote controller that allows the vessel operator to switch a shift state of the propulsion unit and a throttle opening degree of the engine; anda switch on which the vessel operator performs an input operation of docking or moving away from the shore such that the controller determines that the marine vessel is docking or moving away from the shore; whereinthe switch is located on the steering operator or is located on a side on which the remote controller is located relative to the steering operator. 17. The marine vessel according to claim 15, further comprising: a first wireless remote that includes a wireless operator on which the vessel operator performs an input operation of docking or moving away from the shore, and wirelessly transmits operation information based on the input operation; anda first wireless receiver that is located on the vessel body and wirelessly receives the operation information from the first wireless remote; whereinthe controller is configured or programmed to determine that the marine vessel is docking or moving away from the shore based on the operation information received through the first wireless receiver. 18. The marine vessel according to claim 1, wherein the controller is configured or programmed to start the docking/moving away from shore assistance control when a determination parameter of at least one of the vessel speed, an acceleration of the vessel body, a turning angular velocity of the vessel body, a turning angular acceleration of the vessel body, an engine rotational speed, and the thrust of the propulsion unit is equal to or less than a first threshold. 19. The marine vessel according to claim 18, wherein the controller is configured or programmed to stop executing the docking/moving away from shore assistance control when the determination parameter is equal to or more than a second threshold during execution of the docking/moving away from shore assistance control.
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이 특허에 인용된 특허 (2)
Buckley George W. ; Divljakovic Vojislav V. ; Gaynor Phillip K. ; Ehlers Jeffery C. ; Clarkson Daniel E., Control system for a marine vessel.
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