Nonlinear Observer-Based OFC Detection for A380 Aircraft.
作者： Efrain Alcorta Garcia , Ali Zolghadri , Philippe Goupil , Loïc Lavigne , Pascal Simon
DOI: 10.3182/20090630-4-ES-2003.00008
关键词: Structural load 、 Attenuation 、 Fault (power engineering) 、 Residual 、 Airplane 、 Observer (quantum physics) 、 Excitation 、 Engineering 、 Control theory 、 Range (aeronautics)
摘要: Abstract In this paper, we address the problem of Oscillatory failure Case (OFC) detection in A380 aircraft. The importance OFC is well known literature because natural mode excitation and structural loads they can provoke. A novel nonlinear observer-based approach, which has two different gains proposed paper to solve problem. main advantage residual generator that, by an adequate selection observer gains, a kind selective (frequency dependent) attenuation property: disturbances unmodelled dynamics effects on are reduced while effect fault slightly amplified specific frequency range. Further, if chosen be zero, particular case technique implemented Airbus obtained. test based real measurements airplane presented show efficiency over existing techniques.
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