Exact(4)
This estimator provides (asymptotically) unbiased fault estimates as long as the subsystem from faults to outputs has no unstable transmission zeros.
Thanks to this approach fault estimates are analytically decoupled from both the other faults and disturbances.
Based on gain-scheduled H∞ design strategy and scaled bounded real lemma, a linear parameter varying controller is developed, which can generate both control signals and fault estimates.
The main presented progresses are the explicit modeling of time-out, the well defined separation between the nominal behavior, given by the control engineer, and the failure behavior, automatically inserted in the control model and the timed analysis on the fault estimates which starts after the expiration of a timeout.
Similar(56)
The scheme is designed to detect the fault, estimate the faulted side, classify the fault type and identify the faulted phase.
Red triangle indicates surface trace of the range-bounding fault estimated by Abe et al. (2008).
Blue rectangle is the earthquake fault estimated by Yoshida and Koketsu (1990).
A novel robust fault diagnosis scheme, which possesses fault estimate capability as well as fault diagnosis property, is proposed.
The aftershock plane coincides with the deeper extension of the range-bounding fault estimated by Abe et al. (2008).
The final fault estimate was obtained after 343 s from the event origin with M w 6.96.
The controller is a GPC, rendered adaptive by a RLS algorithm, and is designed as in the "classical" way, with the addition of the actuator fault estimate information.
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