Title :
Markov jump-linear performance models for recoverable flight control computers
Author :
Zhang, Hong ; Gray, W. Steven ; González, Oscar R.
Author_Institution :
Dept. of Electr. & Comput. Eng., Old Dominion Univ., Norfolk, VA, USA
Abstract :
Single event upsets in digital flight control hardware induced by atmospheric neutrons can reduce system performance and possibly introduce a safety hazard. One method currently under investigation to help mitigate the effects of these upsets is NASA Langley´s recoverable computer system. In this paper, a Markov jump-linear model is developed for a recoverable flight control system, which will be validated using data from future experiments with simulated and real neutron environments. The method of tracking error analysis and the plan for the experiments are also described.
Keywords :
Markov processes; air safety; aircraft computers; aircraft control; control engineering computing; digital control; error analysis; fault tolerant computing; linear systems; system recovery; Markov jump-linear performance models; atmospheric neutrons; digital flight control hardware; error analysis; flight control computers; recoverable computer system; recoverable flight control system; safety hazard; single event upsets; Aerospace control; Aerospace safety; Atmospheric modeling; Computational modeling; Hardware; Hazards; NASA; Neutrons; Single event upset; System performance;
Conference_Titel :
System Theory, 2004. Proceedings of the Thirty-Sixth Southeastern Symposium on
Print_ISBN :
0-7803-8281-1
DOI :
10.1109/SSST.2004.1295689