Self-Induced Fault of a Hydraulic Servo Valve

Taehun Seung

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This report describes recent trouble-shooting results in aircraft engineering concerning a self-induced fault mechanism of a hydra...

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Beschreibung

This report describes recent trouble-shooting results in aircraft engineering concerning a self-induced fault mechanism of a hydraulic servo-valve. It presents a possible root cause for past aircraft accidents and as such helps to avoid such malfunction and its fatal consequences in the future.
Describes a hydraulic failure mechanism in technical detail Makes flight operation safer
Autorentext
Dr.-Ing. Seung is an Aircraft Engineer with emphasis on Aerodynamics, Flight Mechanics, System Technology and Hydraulics. He is also a Public-Funding Manager for Aeronautics Research Programs of the German Federal Ministry for Economic Affairs and Energy.
Inhalt
Introduction.- Topics and arrangement of this report.- Occasion for investigation, brief description of the occurrence.- Appraisal and fundamental contemplation for a pressure controlling servo valve.- Existence of a self-induced fault of a two stage servo valve - Hypothesis.- Experimental investigation Test execution and results.- Reconstruction of the entire fault working mechanism - interim conclusion.- Additional reflections / Supplementation of contemplation.- Conclusion.