Research Article

Architecture for Measuring Blade Tip Clearance and Time of Arrival with Multiple Sensors in Airplane Engines

Table 1

Achievable deflection resolutions (μm).

10 MHz (μm)50 MHz (μm)100 MHz (μm)

3390 rpm18.83.81.9
4601 rpm25.55.12.5
4843 rpm26.85.42.7