Using sensor spectral energy to detect and/or isolate sensor...

Details Using sensor spectral energy to detect and/or isolate sensor... Using sensor spectral energy to detect and/or isolate sensor...

2011-04-26

2011-04-26

Barbee, Manuel L (Department: 2857)

Data processing: measuring, calibrating, or testing

Measurement system in a specific environment

Electrical signal parameter measurement system

C702S185000

Reexamination Certificate

active

07933725

ABSTRACT:
A method of detecting and/or isolating a fault of a sensor in a system in substantially real time or in non-real time (e.g., using off-line analysis). A spectral energy of a signal of the sensor is determined over a predetermined range of frequencies within a window of samples of the signal. The determined spectral energy is evaluated for consistency with a substantially current state of the system.

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patent: 2002/0188423 (2002-12-01), Gross et al.
Munther A. Hassouneh, Hsien-Chiarn Lee and Eyad H. Abed, “Washout Filters in Feedback Control: Benefits, Limitations and Extensions”, Proceeding of the 2004 American Control Conference, Boston, MA, Jun. 30-Jul. 2, 2004, pp. 3950-3955.

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