Structural Health Monitoring Based on Combined Structural Global and Local Frequencies

Table 6

The errors of local primary frequencies.

Types	Identified	Estimated	Error
Members-I	166.02	162.81	−1.93%
Members-II	140.63	138.99	−1.17%
Members-III	138.67	138.24	−0.31%
Members-IV	164.06	167.55	2.13%