NDLI: Application of analytical redundancy management to shuttle crafts

Content Provider	IEEE Xplore Digital Library
Author	Montgomery, R.C. Tabak, D.
Copyright Year	1978
Description	Author affiliation: NASA Langely Research Center, Hampton, Vriginia (Montgomery, R.C.) \|\| University of Texas, Austin, Texas (Tabak, D.)
Abstract	This paper presents a description of the analytical redundancy management section of an experiment, under development for the space shuttle. The proposed experiment uses a modification of the bank of filters approach, described by Montgomery and Price earlier (AIAA J. of Aircraft, Vol. 13, No. 2, pp. 76-82, Feb. 1976). It is performed by injecting failures into simulated sensor data, generated in real-time or batch simulations of shuttle reentry and on-orbit flight phases. The previous analysis contained a bank of extended Kalman filters running in parallel. In the current study, these filters have been replaced by UD factorized filters. This was done to facilitate a microelectronic implementation. A comparative study of the previous, and current setup, through simulation of the microelectronics is being conducted. Data, obtained using the simulations, are presented. These data indicate that both the Kalman and UD factorized filters suffer from word bit size limitations to about the same extent principally because of modeling error. The principle advantage of the UD factorized filter therefore lies in the stability for serial measurement processing.
Starting Page	442
Ending Page	448
File Size	404940
Page Count	7
File Format	PDF
DOI	10.1109/CDC.1978.267963
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1979-01-10
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Space shuttles Analytical models Aerospace simulation Signal processing algorithms Engineering management Aircraft Failure analysis Performance analysis Kalman filters Microelectronics
Content Type	Text
Resource Type	Article

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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