Research Article

Output-Only Damage Detection of Steel Beam Using Moving Average Filter

Figure 11

The smoothed acceleration signals after removing the predicted baseline (the damage occurred in the middle of the beam) at different locations: (a) signal from Node 2, (b) signal from Node 3, (c) signal from Node 5, and (d) signal from Node 7.
(a) Smoothed acceleration signal at Node 2
(b) Smoothed acceleration signal at Node 3
(c) Smoothed acceleration signal at Node 5
(d) Smoothed acceleration signal at Node 7