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ROV project

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by

Aaron Jensen

on 4 May 2010

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Transcript of ROV project

•Remotely Operated Vehicle (ROV) is an underwater robot that allows the vehicle's operator to remain in a comfortable environment while the ROV performs the work underwater. An umbilical, or tether, carries power and command and control signals to the vehicle and the status and sensory data back to the operators topside.
•In 1960 the US Navy funded most of the early ROV technology development, which was called “Cable-Controlled Underwater Recovery Vehicle” (CURV). •The first tethered ROV, named POODLE, was developed by Dimitri Rebikoff in 1953. In the 1950s the Royal Navy used a ROV called “Cutlet” to recover practice torpedoes. •With this new technology they could perform deep-sea rescue operations and recover objects from the ocean floor. •They were able to recover a nuclear bomb lost in the Mediterranean Sea after the 1966 Palomares B-52 crash. •The offshore oil and gas industry then created the work class ROVs to assist in the development of offshore oil fields. •In the 1980s years after they were first developed, ROVs became important in the offshore development because human divers could not go as far as they needed to.
•In the mid 1980s the marine ROV industry suffered a large blow in the technological development caused by the drop in the price of oil and a global economic recession. •The ROV’s are mainly used in the oil and gas industry but they are also used in science, military, and salvage. •The military uses ROV for tasks such as mine clearing and inspection. •The ROV’s are used a dozen times per year in marine salvage operations of downed planes and sunken ships. •Conventional ROVs are built with a large flotation pack on top of an aluminium chassis, to provide the necessary buoyancy. Syntactic foam is often used for the flotation. A tool sled may be fitted at the bottom of the system and can accommodate a variety of sensors. By placing the light components on the top and the heavy components on the bottom, the overall system has a large separation between the center of buoyancy and the center of gravity: this provides stability and the stiffness to do work underwater. •Electrical cables are ran inside an oil-filled tubing to protect them from corrosion in seawater. •Thrusters are in all three axes to provide full control. •Cameras, lights and manipulators are on the front of the ROV or occasionally in the rear to help in maneuvering. •Science ROVs take many shapes and sizes. •Since good video footage is a core component of most deep-sea scientific research, research ROVs tend to be outfitted with high-output lighting systems and broadcast quality cameras. •Science ROVs incorporate a good deal of technology that has been developed for the commercial ROV sector, such as hydraulic manipulators and highly accurate subsea navigation systems. A ROV controller is usually just a simple game controller with more features. They are Usually hooked up to a Laptop/computer so of course you can see what your doing.
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