An FBG-Based Impact Event Detection System for Structural Health Monitoring

Table 1

Comparison of prediction accuracy among systems using single FBG and FBG rosette.

Impact Locations	Predicted locations
(units in m.)	ASE System	Ring Laser System	ASE System with FBG Rosette
(−0.2, 0)	no convergent solution	no convergent solution	(−0.164, −0.036)
(−0.2, 0.2)	(−0.193, 0.101)	(−0.159, 0.136)	(−0.225, 0.222)