Skip to main content
U.S. flag

An official website of the United States government

Dot gov

The .gov means it’s official.
Federal government websites often end in .gov or .mil. Before sharing sensitive information, make sure you’re on a federal government site.


The site is secure.
The https:// ensures that you are connecting to the official website and that any information you provide is encrypted and transmitted securely.

Dual Manipulator

Return to Dual Manipulators Page

A robot arm is attached upside down to the bottom of a suspended work platform using the RoboCrane cable configuration. The robot carries a retro-reflector as an off board laser track measures the retro-reflector position as it moves through the robot workspace measuring rigidity of the RoboCrane cable configuration.

Dual_Manipulator Large

Created August 3, 2011, Updated January 6, 2017