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Human Factors Researchers Improve Performance With Robotic Systems on the ISS
October 12, 2007SANTA MONICA, CA - Researchers from NASA and Lockheed Martin have successfully tested software for a robotic extension device that has been shown to dramatically improve astronauts' ability to perform remote tasks under adverse conditions on the International Space Station (ISS).
James C. Maida, Charles K. Bowen, and John Pace developed the method for use with the Special Purpose Dexterous Manipulator, which works in conjunction with the current Space Station Remote Manipulator System (SSRMS). They presented their findings at the Human Factors and Ergonomics Society 51st Annual Meeting on October 3 in Baltimore, Maryland.
Robotic devices on the ISS make it possible for astronauts to perform tasks without leaving the vehicle. Manipulating these devices is challenging, particularly in bright sunlight and deep darkness. Maida and colleagues employed augmented reality techniques to create a graphical informational overlay that can be used in simulations of robotic installation tasks to improve operator performance.
The installation task requires intense concentration by the astronaut to align an external orbital replacement unit (ORU) within ¼ inch and ½ degree at its installation point. The task is accomplished by viewing the scene of the installation through a camera and manipulating robotic arms. The researchers used enhanced live video with dynamic overlay information superimposed on features in the operators' field of view to guide them regarding the direction of motion of the robotic arm, the type of motion, and the correct position for installation.
Twelve highly skilled robotics operators were tested on four installation tasks under conditions of dynamic sunlight and very dark nights with and without the overlay. In all cases, accuracy and efficiency improved significantly when using the new overlay system, and all 12 operators found the overlay information extremely helpful in performing the ORU alignment operation. Time to complete the task was also reduced.
The researchers conclude that because the graphics are relatively simple and the computational requirements are low, the overlay system could be implemented on existing flight hardware used on the space shuttle and the ISS.
Download a copy of the Maida et al. HFES 51st Annual Meeting proceedings paper, "Improving Robotic Operator Performance Using Augmented Reality," or contact HFES Communications Director Lois Smith, 310/394-1811.
Human Factors and Ergonomics Society
The installation task requires intense concentration by the astronaut to align an external orbital replacement unit (ORU) within ¼ inch and ½ degree at its installation point. The task is accomplished by viewing the scene of the installation through a camera and manipulating robotic arms. The researchers used enhanced live video with dynamic overlay information superimposed on features in the operators' field of view to guide them regarding the direction of motion of the robotic arm, the type of motion, and the correct position for installation.
Twelve highly skilled robotics operators were tested on four installation tasks under conditions of dynamic sunlight and very dark nights with and without the overlay. In all cases, accuracy and efficiency improved significantly when using the new overlay system, and all 12 operators found the overlay information extremely helpful in performing the ORU alignment operation. Time to complete the task was also reduced.
The researchers conclude that because the graphics are relatively simple and the computational requirements are low, the overlay system could be implemented on existing flight hardware used on the space shuttle and the ISS.
Download a copy of the Maida et al. HFES 51st Annual Meeting proceedings paper, "Improving Robotic Operator Performance Using Augmented Reality," or contact HFES Communications Director Lois Smith, 310/394-1811.
Human Factors and Ergonomics Society
Robotic Systems Current Events and Robotic Systems News RSSResearch teams successfully operate multiple biomedical robots from numerous locations
Using a new software protocol called the Interoperable Telesurgical Protocol, nine research teams from universities and research institutes around the world recently collaborated on the first successful demonstration of multiple biomedical robots operated from different locations in the U.S., Europe, and Asia. SRI International operated its M7 surgical robot for this demonstration.
NASA MidSTAR-1 Successful Technologies May Be Revolutionary
Two new technologies launched onboard a U.S. Naval Academy satellite called MidSTAR-1 have proven successful in their tests in space. One technology is a sensor that can check for harmful chemicals and the other is a special "film" that can control heat.
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More recycling on the farm could reduce environmental problems
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Robotic surgeon to team up with doctors, astronauts on NASA mission
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Researcher gives robotic surgery tools a sense of touch
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Researcher gives robotic surgery tools a sense of touch
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New paradigm will help identify leads for drug discovery
A new screening approach can profile compounds in large chemical libraries more accurately and precisely than standard methods, speeding the production of data that can be used to probe biological activities and identify leads for drug discovery.
Cheaper and simpler keyhole surgery
Endoscopic surgery brings many advantages for patients but is very difficult for the surgeon.
UWE Scientists Help Bring Computers And Robots To Life
New sources of computing power - derived from such novel areas as neuron-like cells and powerful chemical reactions - could form the heart of the next generation of computers. The University of the West of England and four research partners have just won £1.8 million in government funding to carry out research into computers that are inspired by nature. This means UWE is playing a key role in two out of only five nationally funded projects aimed at such exciting multidisciplinary research. In the first, £1.2 million project, computer scientists, biologists and chemists at UWE will work with the universities of Sussex and Leeds to develop alternatives to the silicon chip. They wi
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