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Fault tolerance versus performance metrics for robot systems

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3 Author(s)
Hamilton, D.L. ; Dept. of Electr. & Comput. Eng., Rice Univ., Houston, TX, USA ; Walker, I.D. ; Bennett, John K.

The incorporation of fault tolerance techniques into robot systems improves the reliability, but also increases the hardware and computational requirements in the overall system. It is not always clear how to evaluate the merit, or `effectiveness' of different fault tolerance approaches for a given application. We present a new set of performance criteria designed to measure and compare the effectiveness of robot fault tolerance strategies. The measures, which are designed to evaluate fault tolerance/performance/cost tradeoffs, can also be used to evaluate pure performance or pure fault tolerance strategies. We show their usefulness using a variety of proposed fault tolerance approaches in the literature focusing on multiprocessor control architectures

Published in:

Robotics and Automation, 1996. Proceedings., 1996 IEEE International Conference on  (Volume:4 )

Date of Conference:

22-28 Apr 1996