B63G8/14

Motion control method and system for biomimetic robotic fish based on adversarial structured control

A motion control method and system for a biomimetic robotic fish based on an adversarial structured control, includes: taking the accuracy and speed of motion to the target point as a reward term, and taking a power sum of servomotors as a loss term to construct an optimization objective function; optimizing parameters of a central pattern generator model that generates a global control quantity of a servomotor, after curing its parameters, optimizing the parameters of the servomotor compensation control model; iteratively optimizing the parameters of the model; obtaining the global control signal and compensation control signal of the biomimetic robotic fish through the trained model, and using the linear combination of the two sets of output signals as the control signal of the servomotor of the robotic fish to realize the motion control of the fish.

Submerged data center facility system and method

A submerged waterborne data center facility that employs a feedback-control system to control any one of a condensation function, depth function, and a wired or wireless data transfer function utilizing on-board and out-board sensors operatively coupled to an operational state change controller, controlling for a hygrostat-coupled heater, depth thruster, and, or a radio frequency modulation unit.

Submerged data center facility system and method

A submerged waterborne data center facility that employs a feedback-control system to control any one of a condensation function, depth function, and a wired or wireless data transfer function utilizing on-board and out-board sensors operatively coupled to an operational state change controller, controlling for a hygrostat-coupled heater, depth thruster, and, or a radio frequency modulation unit.

ATTACHMENT MECHANISMS FOR STABILZATION OF SUBSEA VEHICLES

Systems and methods for securing a remotely operated vehicle (ROV) to a subsea structure during cleaning, maintenance, or inspection of the structure surface are provided. In one or more embodiments, an attachment mechanism includes a pair of grasping hooks that are raised and lowered when driven by a motorized drive. In one or more embodiments, an attachment mechanism includes a rigid holder having a mechanical stop and connected to a swing arm, the swing arm configured to rotate inward, but not outward beyond the mechanical stop. In one or more embodiments, an attachment mechanism includes a plurality of linked segments in series, each connected at a plurality of pivot points. A pair of wires passes through the plurality of linked segments and connects to a pair of pulleys that extend or retract the wires, thereby rotating the plurality of linked segments.

ATTACHMENT MECHANISMS FOR STABILZATION OF SUBSEA VEHICLES

Systems and methods for securing a remotely operated vehicle (ROV) to a subsea structure during cleaning, maintenance, or inspection of the structure surface are provided. In one or more embodiments, an attachment mechanism includes a pair of grasping hooks that are raised and lowered when driven by a motorized drive. In one or more embodiments, an attachment mechanism includes a rigid holder having a mechanical stop and connected to a swing arm, the swing arm configured to rotate inward, but not outward beyond the mechanical stop. In one or more embodiments, an attachment mechanism includes a plurality of linked segments in series, each connected at a plurality of pivot points. A pair of wires passes through the plurality of linked segments and connects to a pair of pulleys that extend or retract the wires, thereby rotating the plurality of linked segments.

LEG-ARM-PADDLE COMPOSITE UNDERWATER ROBOT

A leg-arm-paddle underwater robot is provided in the present invention, which includes: a frame, an operating mechanism, a traveling mechanism, and a propulsion mechanism. The traveling mechanism is adapted to enable the leg-arm-paddle composite underwater robot to travel. The propulsion mechanism is adapted to enable the leg-arm-paddle composite underwater robot to float in water. The operating mechanism includes a first robot arm, a second robot arm, and a first mounting base, wherein the first mounting base is detachably connected to the frame. Both the first robot arm and the second robot arm are rotatably connected to the first mounting base, and rotation centers of the first robot arm and the second robot arm are the same. The operating mechanism of the leg-arm-paddle composite underwater robot has a compact structure and a large working range. The leg-arm-paddle composite underwater robot has reduced volume, enhanced operation capability, wide applicability, and strong practicability.

Systems and method for buoyancy control of remotely operated underwater vehicle and payload

An underwater vehicle is configured to transfer a payload between a first location and a second location at a subsea structure. The underwater vehicle includes a payload support configured to support the payload and a buoyancy control system. The buoyancy control system includes at least one of an exchange weight system configured to receive one or more exchange weights when delivering the payload, a floatation system having one or more floatation devices coupled to the payload, or a combination thereof.

Systems and method for buoyancy control of remotely operated underwater vehicle and payload

An underwater vehicle is configured to transfer a payload between a first location and a second location at a subsea structure. The underwater vehicle includes a payload support configured to support the payload and a buoyancy control system. The buoyancy control system includes at least one of an exchange weight system configured to receive one or more exchange weights when delivering the payload, a floatation system having one or more floatation devices coupled to the payload, or a combination thereof.

SYSTEMS AND METHODS OF PILOT ASSIST FOR SUBSEA VEHICLES
20200341462 · 2020-10-29 ·

A method for controlling a subsea vehicle. The method includes receiving sensor data representing a subsea environment from one or more sensors of the subsea vehicle. The method identifies one or more objects present in the subsea environment based on the sensor data using an artificial intelligence machine. The method transmits at least a portion of the sensor data, including an identification of the one or more objects, to a user interface. The method includes receiving a requested vehicle task from the user interface. The requested vehicle task being selected by a user via the user interface. The method performs the requested vehicle task without vehicle position control from the user.

Attachment mechanisms for stabilization of subsea vehicles

Systems and methods for securing a remotely operated vehicle (ROV) to a subsea structure during cleaning, maintenance, or inspection of the structure surface are provided. In one or more embodiments, an attachment mechanism includes a pair of grasping hooks that are raised and lowered when driven by a motorized drive. In one or more embodiments, an attachment mechanism includes a rigid holder having a mechanical stop and connected to a swing arm, the swing arm configured to rotate inward, but not outward beyond the mechanical stop. In one or more embodiments, an attachment mechanism includes a plurality of linked segments in series, each connected at a plurality of pivot points. A pair of wires passes through the plurality of linked segments and connects to a pair of pulleys that extend or retract the wires, thereby rotating the plurality of linked segments.