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The Analysis Of Synchronous Blade Vibration Using Linear Sine Fitting
Journal of KONBiN
In Blade Tip Timing several sensors installed circumferentially in the casing are used to record times of arrival (TOA) and observe deflections of blade tips. This paper aims to demonstrate methodology of model-based processing of aliased data. It focuses on the blade vibration excited by the forces synchronous with engine rotation, which are called integral responses. The driven harmonic oscillator with single degree of freedom (SDOF) is used to analyse blade vibration measured by tip-timingdoi:10.2478/jok-2014-0011 fatcat:jx7g5gtpn5bflmv434x7ckphwy