Subsea navigation systems and methods
AssigneeCameron International Corporation
InventorAndrew Jaffrey
Life of this patent
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Abstract
A navigation system includes a support structure configured to be positioned at a sea floor. The navigation system also includes multiple transducers coupled to the support structure at fixed locations and configured to emit multiple reference signals. The navigation system further includes a transducer coupled to a movable subsea vessel and configured to receive the plurality of reference signals. A controller includes a processor and a memory, and the processor is configured to determine a position of the movable subsea vessel relative to the support structure based on the multiple reference signals.
Claims20
A navigation system, comprising:
- a support structure configured to be positioned at a sea floor;
- a plurality of transducers coupled to the support structure at fixed locations, wherein the plurality of transducers is configured to emit a plurality of reference signals;
- a transducer coupled to a movable subsea vessel, wherein the transducer is configured to receive the plurality of reference signals;
- and
- a controller comprising a processor and a memory, wherein the processor is configured to determine a position of the movable subsea vessel relative to the support structure based on the plurality of reference signals.
A system, comprising:
- a controller comprising a processor and a memory, wherein the processor is configured to:
- access stored data indicative of respective fixed positions of a plurality of transducers on a support structure;
- receive a plurality of signals indicative of respective distances between a movable subsea vessel and the plurality of transducers;
- and
- determine a position of the movable subsea vessel relative to the support structure based on the stored data and the plurality of reference signals.
A method, comprising:
- accessing, using a processor, stored data indicative of respective fixed positions of a plurality of transducers on a support structure;
- receiving, at the processor, a plurality of signals indicative of respective distances between a movable subsea vessel and the plurality of transducers;
- and
- determining, using the processor, a position of the movable subsea vessel relative to the support structure based on the stored data and the plurality of reference signals.
Dependencies are inferred from the claim text.