Status report on the generalized likelihood ratio failure detection technique, with application to the F-8 aircraft

Bueno, R; Chow, Edward; Dunn, Keh-Ping; Gershwin, Stanley B.; Willsky, Alan S.

doi:10.1109/cdc.1976.267702

Cited by 8 publications

(7 citation statements)

References 2 publications

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“…In the first place, they can be adapted to utilize the residuals of an existing filter with relative ease, and a wide range of procedures--from the simple statistical tests of Mehra and Peschon [26] to the more complex GLR method of Wiilsky et al [28], [29], [38], [43]---are available, offering various tradeoffs between performance and complexity. In addition, since we implement a Kalman filter based on no failures, we suffer no performance degradation prior to detection, unlike, for example, the Beard-Jones approach.…”

Section: Discussionmentioning

confidence: 99%

“…Initial results are reported by Chow et al,in [38], and a description of a detailed methodology will be reported in the near future, (see Bueno et a!. [43]). In addition to the calculation of PF and PD, the comparison methodology reported in [43] includes the computation of cross-detection probabilities--i.e, the probability of detecting a failure of type A when a failure of type B has occurred.…”

Section: I(k)= ~ ~/'(J)v-'(j)y(j)mentioning

confidence: 99%

“…[43]). In addition to the calculation of PF and PD, the comparison methodology reported in [43] includes the computation of cross-detection probabilities--i.e, the probability of detecting a failure of type A when a failure of type B has occurred. Such information can be useful in designing failure isolation procedures and also in determining if failure detector A can be successfully utilized as an alarm for failures of type B.…”

Section: I(k)= ~ ~/'(J)v-'(j)y(j)mentioning

confidence: 99%

“…For example an off failure of the ith actuator can be modeled by choosing M all zero except for the ith column, which is taken to be the negative of the ith column of B. The GLR detector for (48) is presently under development [38], [43], and we note that this model is more difficult than the others as the effect of the failure is modulated by the input values u(k). Increased Process Noise Failures…”

Section: I(k)= ~ ~/'(J)v-'(j)y(j)mentioning

confidence: 99%

“…The analysis of these failure modes is presently being performed [38], [43], and it is anticipated that SGLR algorithms will also be developed. In addition to these failure modes, one can develop additional models along these lines for particular applications.…”

Section: I(k)= ~ ~/'(J)v-'(j)y(j)mentioning

confidence: 99%

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A survey of design methods for failure detection in dynamic systems

Willsky¹

1977

Microelectronics Reliability

642

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Summary--In this paper we survey a number of methods for the detection of abrupt changes (such as failures) in stochastic dynamical systems. We concentrate on the class of linear systems, but the basic concepts, if not the detailed analyses, carry over to other classes of systems. The methods surveyed range from the design of specific failure-sensitive filters, to the use of statistical tests on filter innovations, to the development of jump process formulations. Tradeoffs in complexity vs performance are discussed.

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Section: Discussionmentioning

confidence: 99%

Section: I(k)= ~ ~/'(J)v-'(j)y(j)mentioning

confidence: 99%