Parameter estimation is an important concept that can be used for health and condition monitoring. Estimation or measurement of physically meaningful parameters and their evaluation against predetermined thresholds allows detection of gradual or abrupt deteriorations in the plant. This early detection of faults enables preventative unscheduled maintenance that is of benefit to industries concerned with reliability and safety. In this paper, a recently proposed state estimation strategy referred to as the smooth variable structure filter (SVSF) is reviewed and extended to parameter estimation. The SVSF is applied to a novel hydrostatic actuation system referred to as the electrohydraulic actuator (EHA). Condition monitoring of the EHA for preventative unscheduled maintenance would increase its safety in applications pertaining to aerospace and would reduce its operational and maintenance costs.
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March 2007
Technical Briefs
Parameter Identification for a High-Performance Hydrostatic Actuation System Using the Variable Structure Filter Concept
S. R. Habibi,
S. R. Habibi
McMaster University
, 1280 Main St., West Hamilton, ON, Canada
Search for other works by this author on:
R. Burton
R. Burton
University of Saskatchewan
, 57 Campus Drive, Saskatoon, SK, Canada
Search for other works by this author on:
S. R. Habibi
McMaster University
, 1280 Main St., West Hamilton, ON, Canada
R. Burton
University of Saskatchewan
, 57 Campus Drive, Saskatoon, SK, CanadaJ. Dyn. Sys., Meas., Control. Mar 2007, 129(2): 229-235 (7 pages)
Published Online: May 24, 2006
Article history
Received:
August 26, 2004
Revised:
May 24, 2006
Citation
Habibi, S. R., and Burton, R. (May 24, 2006). "Parameter Identification for a High-Performance Hydrostatic Actuation System Using the Variable Structure Filter Concept." ASME. J. Dyn. Sys., Meas., Control. March 2007; 129(2): 229–235. https://doi.org/10.1115/1.2431816
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