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NASA Technology Safely Strips Ships Of Loose Chips

Date:
April 21, 2000
Source:
NASA/Jet Propulsion Laboratory
Summary:
A new robotic device that safely strips paint from the hulls of ships without polluting the environment is based on NASA robotics technology.

A new robotic device that safely strips paint from the hulls of ships without polluting the environment is based on NASA roboticstechnology.

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The system, which has received kudos from environmentalist and undersea explorer Jean-Michel Cousteau, could revolutionize paint removalin the shipping industry. Current sandblasting methods potentially can contaminate waters surrounding harbors.

Developed by NASA's Jet Propulsion Laboratory, Pasadena, Calif., the Robotics Engineering Consortium at Carnegie Mellon University,Pittsburgh, Penn., and UltraStrip Systems, Inc., Stuart, Fla., the new system consists of an automated robotic device that is magnetized to the ship,a set of high-pressure jet streams, and a controller that helps the robot navigate along the surface of the ship. The water is filtered and then reused,while the paint residue is collected in a container and can then be disposed of safely. Using this method, no toxic dust or paint flakes are generatedto pollute nearby areas or to be inhaled by system operators.

"Having now personally seen demonstrations of the M2000, I know the system works," said Cousteau, president of Ocean Futures, SantaBarbara, Calif. "It is inspiring to see a technology that can have such a positive environmental impact while, at the same time, providing a benefit tothe profitability of the shipyard industry."

"Robotics technology developed at the various NASA centers has resulted in new products ranging from automated harvesting, coal mining,earth moving, and material transport to robotic inspection and repair for gas pipelines, and agricultural spraying, to name a few," said Dr. NevilleMarzwell, who heads Advanced Concepts and Technology Innovations at JPL.

Previous stripping methods sandblasted paint from a ship's hull, producing large amounts of toxic airborne dust and exposing workers,nearby communities and the environment to significant risks. The new method, which uses UltraStrip's patented Robotic M2000 hydroblastingtechnology, uses only water in the paint- removal process and produces dried paint chips and clean water. Since a powerful vacuum collects allwater and paint, nothing can escape to pollute the air or the environment.

"We feel that the UltraStrip application is an excellent match with our commercialization goals. This system gives us a great opportunity toshowcase robotics technology in a significant commercial application which will benefit the environment at the same time," said Bill Ross,consortium project manager.

Still in development are computer-vision-based cruise control, sensors to detect surface quality, paint thickness, and any paint left on the hull,and diagnostic and analytic tools to optimize the speed of the robot for efficient and effective operations.

The technology was created under the National Robotics Engineering Consortium -- a NASA, industry, and university partnership to developnew industrial products and services from technologies that help solve key problems and reinvigorate the U.S. robotics industry. Consortiumactivities provide a process to move rapidly developing robotics technology into industrial applications, and, in turn, to provide next-generationtechnology products for the NASA's science missions. The consortium also provides hands-on experience to students who will be the nextgeneration of robotics scientists, technologists, and engineers.

The consortium is managed by Marzwell at JPL and Rick Kadunc from the Office of Space Science at NASA Headquarters, Washington,D.C. UltraStrip's president is Dennis McGuire. Cousteau is also on the board of UltraStrip.

An image of the device is available at: http://www.jpl.nasa.gov/pictures/tech/paintstripper.html

JPL is a division of the California Institute of Technology in Pasadena.


Story Source:

The above story is based on materials provided by NASA/Jet Propulsion Laboratory. Note: Materials may be edited for content and length.


Cite This Page:

NASA/Jet Propulsion Laboratory. "NASA Technology Safely Strips Ships Of Loose Chips." ScienceDaily. ScienceDaily, 21 April 2000. <www.sciencedaily.com/releases/2000/04/000419074059.htm>.
NASA/Jet Propulsion Laboratory. (2000, April 21). NASA Technology Safely Strips Ships Of Loose Chips. ScienceDaily. Retrieved November 24, 2014 from www.sciencedaily.com/releases/2000/04/000419074059.htm
NASA/Jet Propulsion Laboratory. "NASA Technology Safely Strips Ships Of Loose Chips." ScienceDaily. www.sciencedaily.com/releases/2000/04/000419074059.htm (accessed November 24, 2014).

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