Research Article

An Improved Blade Vibration Parameter Identification Method considering Tip Clearance Variation

Table 2

Parameter identification results of No. 0 blade.

Vibration parameters20%30%40%50%Traditional method

88888
1.08061.09571.08731.08891.8515
−0.3368−0.3829−0.3541−0.35752.6454
−0.9752−1.0150−1.2232−1.55326.2108