IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0289458
(2011-11-04)
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등록번호 |
US-8613634
(2013-12-24)
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발명자
/ 주소 |
|
출원인 / 주소 |
|
대리인 / 주소 |
Wolf, Greenfield & Sacks, P.C.
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인용정보 |
피인용 횟수 :
3 인용 특허 :
33 |
초록
▼
One embodiment of the invention comprises a method for controlling a marine vessel having a first steerable propulsor, a corresponding first reversing device, a second steerable propulsor and a corresponding second reversing device. The method comprises receiving a first vessel control signal corres
One embodiment of the invention comprises a method for controlling a marine vessel having a first steerable propulsor, a corresponding first reversing device, a second steerable propulsor and a corresponding second reversing device. The method comprises receiving a first vessel control signal corresponding to a rotational movement and no translational movement command, generating at least a first actuator control signal and a second actuator control signal in response to the first vessel control signal, coupling the first actuator control signal to and controlling the first steerable propulsor and the second steerable propulsor, and coupling the second actuator control signal to and controlling the first reversing device and to the second reversing device. The method creates rotational forces on the marine vessel with substantially no translational forces on the marine vessel.
대표청구항
▼
1. A method for controlling a marine vessel comprising a first steerable propulsor, a second steerable propulsor, a first vessel control apparatus configured to control rotational movement of the marine vessel and having at least a first degree of freedom, and a second vessel control apparatus confi
1. A method for controlling a marine vessel comprising a first steerable propulsor, a second steerable propulsor, a first vessel control apparatus configured to control rotational movement of the marine vessel and having at least a first degree of freedom, and a second vessel control apparatus configured to control translational movement of the marine vessel and having at least second and third degrees of freedom, the method comprising: receiving a vessel control signal corresponding to a movement of the first vessel control apparatus along the first degree of freedom with the second vessel control apparatus in neutral position, wherein movement of the first vessel control apparatus along the first degree of freedom controls rotational movement of the marine vessel, and wherein movement of the second vessel control apparatus along at least one of the second and third degrees of freedom controls translational movement of the marine vessel; andinducing a net rotational force to the marine vessel such that substantially no net translational force is induced to the marine vessel, the inducing comprising controlling the first and second steerable propulsors to be pointed inward, in response to receiving the vessel control signal. 2. The method of claim 1, wherein inducing the net rotational force on the marine vessel comprises producing opposite forces by the first and second steerable propulsors. 3. The method of claim 2, wherein producing opposite forces comprises producing a forward thrust by the first steerable propulsor and a reverse thrust by the second steerable propulsor. 4. The method of claim 1, wherein the first steerable propulsor is a first steerable propeller, and wherein the second steerable propulsor is a second steerable propeller. 5. The method of claim 4, wherein inducing the net rotational force comprises operating the first steerable propeller at a different number of revolutions per minute (RPMs) than a number of RPMs at which the second steerable propeller is operated. 6. A method for controlling a marine vessel comprising a first steerable propulsor, a second steerable propulsor, a first vessel control apparatus configured to control rotational movement of the marine vessel and having at least a first degree of freedom, and a second vessel control apparatus configured to control translational movement of the marine vessel and having at least second and third degrees of freedom, the method comprising: receiving a vessel control signal corresponding to a movement of the first vessel control apparatus along the first degree of freedom with the second vessel control apparatus in neutral position, wherein movement of the first vessel control apparatus along the first degree of freedom controls rotational movement of the marine vessel, and wherein movement of the second vessel control apparatus along at least one of the second and third degrees of freedom controls translational movement of the marine vessel; andinducing a net rotational force to the marine vessel such that substantially no net translational force is induced to the marine vessel, the inducing comprising producing a forward thrust by the first steerable propulsor and a reverse thrust by the second steerable propulsor, in response to receiving the vessel control signal. 7. The method of claim 6, further comprising controlling the first and second steerable propulsors to be pointed inward. 8. The method of claim 6, wherein the first steerable propulsor is a first steerable propeller, wherein the second steerable propulsor is a second steerable propeller, and wherein inducing the net rotational force comprises operating the first steerable propeller at a different number of RPMs than a number of RPMs at which the second steerable propeller is operated. 9. A system for controlling a marine vessel comprising a first steerable propulsor, a second steerable propulsor, a first vessel control apparatus configured to control rotational movement of the marine vessel and having at least a first degree of freedom, and a second vessel control apparatus configured to control translational movement of the marine vessel and having at least second and third degrees of freedom, the system comprising: at least one processor configured to: receive a vessel control signal corresponding to a movement of the first vessel control apparatus along the first degree of freedom with the second vessel control apparatus in neutral position, wherein movement of the first vessel control apparatus along the first degree of freedom controls rotational movement of the marine vessel, and wherein movement of the second vessel control apparatus along at least one of the second and third degrees of freedom controls translational movement of the marine vessel; andinduce a net rotational force to the marine vessel such that substantially no net translational force is induced to the marine vessel, at least in part by controlling the first and second steerable propulsors to be pointed inward, in response to receiving the vessel control signal. 10. The system of claim 9, wherein the at least one processor is configured to control the first and second steerable propulsors by controlling the first steerable propulsor to provide a forward thrust and the second steerable propulsor to provide a reverse thrust. 11. The system of claim 9, wherein the first steerable propulsor is a first steerable propeller, and wherein the second steerable propulsor is a second steerable propeller. 12. The system of claim 11, wherein the at least one processor is configured to induce the net rotational force at least in part by controlling the first steerable propeller to operate at a different number of RPMs than a number of RPMs at which the second steerable propeller is operated. 13. A system for controlling a marine vessel comprising a first steerable propulsor, a second steerable propulsor, a first vessel control apparatus configured to control rotational movement of the marine vessel and having at least a first degree of freedom, and a second vessel control apparatus configured to control translational movement of the marine vessel and having at least second and third degrees of freedom, the system comprising: at least one processor configured to: receive a vessel control signal corresponding to a movement of the first vessel control apparatus along the first degree of freedom with the second vessel control apparatus in neutral position, wherein movement of the first vessel control apparatus along the first degree of freedom controls rotational movement of the marine vessel, and wherein movement of the second vessel control apparatus along at least one of the second and third degrees of freedom controls translational movement of the marine vessel; andinduce a net rotational force to the marine vessel such that substantially no net translational force is induced to the marine vessel at least in part by controlling the first steerable propulsor to provide a forward thrust and the second steerable propulsor to provide a reverse thrust, in response to receiving the vessel control signal. 14. The system of claim 13, wherein the first steerable propulsor is a first steerable propeller, and wherein the second steerable propulsor is a second steerable propeller. 15. The system of claim 13, wherein the at least one processor is configured to induce the net rotational force by controlling the first and second steerable propulsors to be pointed inward. 16. The system of claim 14, wherein the at least one processor is configured to induce the net rotational force at least in part by controlling the first steerable propeller to operate at different a number of RPMs than a number of RPMs at which the second propeller is operated. 17. The system of claim 9, wherein the first vessel control apparatus comprises a vessel steering control apparatus having the first degree of freedom, and wherein the first degree of freedom is a rotational degree of freedom. 18. The system of claim 13, wherein the first vessel control apparatus comprises a vessel steering control apparatus having the first degree of freedom, and wherein the first degree of freedom is a rotational degree of freedom. 19. The system of claim 9, wherein the second vessel control apparatus comprises a control stick having at least the second and third degrees of freedom. 20. The system of claim 13, wherein the second vessel control apparatus comprises a control stick having at least the second and third degrees of freedom. 21. The system of claim 9, wherein the first steerable propulsor is a waterjet having an integral reversing bucket or nozzle. 22. The system of claim 13, wherein the first steerable propulsor is a waterjet having an integral reversing bucket or nozzle.
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