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Diagnosis of actuator faults using LPV-gain scheduling techniques

Varga, Andreas and Hecker, Simon and Ossmann, Daniel (2011) Diagnosis of actuator faults using LPV-gain scheduling techniques. AIAA-Guidance Navigation and Control Conference, Portland, USA.

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We present a new approach for the synthesis of robust fault detection filters for the model based diagnosis of actuator faults. The underlying synthesis model is a linear parameter varying (LPV) description obtained using a combination of analytic and numerical parameter fi tting techniques. The actuator LPV model contains uncertain parameters which are partly measurable, thus can be used for gain scheduling, and partly not measurable, for which robustness must be ensured. The detector synthesis approach is basically a parametric nullspace method combined with min-max parameter fitting. The synthesis technique is applied to the diagnosis of two classes of actuator faults for a civil aircraft: elevator runaway and elevator jamming at null position.

Document Type:Conference or Workshop Item (Speech, Paper)
Title:Diagnosis of actuator faults using LPV-gain scheduling techniques
AuthorsInstitution or Email of Authors
Ossmann, DanielUNSPECIFIED
Date:August 2011
Refereed publication:Yes
In ISI Web of Science:No
Keywords:Fault Detection and Isolation, Residual Generator, LPV
Event Title:AIAA-Guidance Navigation and Control Conference
Event Location:Portland, USA
Event Type:international Conference
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Aeronautics
HGF - Program Themes:Aircraft Research
DLR - Research area:Aeronautics
DLR - Program:L AR - Aircraft Research
DLR - Research theme (Project):L - Systems & Cabin
Location: Oberpfaffenhofen
Institutes and Institutions:Institute of Robotics and Mechatronics > System Dynamics and Control (former Control Design Engineering)
Deposited By: Daniel Ossmann
Deposited On:09 Dec 2011 11:51
Last Modified:30 Jan 2012 09:53

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