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Time-delayed operation of a telerobot via geosynchronous relayOperation of a telerobot is compromised if a time delay of more than a few hundred milliseconds exists between the operator and remote manipulator. However, the most economically attractive way to perform telerobotic functions such as assembly, maintenance, and repair in Earth orbit is via geosynchronous relay satellites to a ground-based operator. This induces loop delays from one-half to two seconds, depending on how many relays are involved. Such large delays makes direct master-slave, force-reflecting teleoperated systems infeasible. Research at JPL on a useful telerobot that operates with such time delays is described.
Document ID
19890010506
Acquisition Source
Legacy CDMS
Document Type
Conference Paper
Authors
Wilcox, Brian H. (Jet Propulsion Lab., California Inst. of Tech. Pasadena, CA, United States)
Date Acquired
September 5, 2013
Publication Date
November 1, 1988
Publication Information
Publication: NASA. Lyndon B. Johnson Space Center, 2nd Annual Workshop on Space Operations Automation and Robotics (SOAR 1988)
Subject Category
Man/System Technology And Life Support
Accession Number
89N19877
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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