Mathematical Problems in Engineering / 2013 / Article / Tab 5

Research Article

On-Board Computing for Structural Health Monitoring with Smart Wireless Sensors by Modal Identification Using Hilbert-Huang Transform

Table 5

On-board computing, offline computing, and FE results.

ModeFrequency from on-board computing Frequency from offline computingErrorsFE result

First order4.64 Hz4.52 Hz2.6%4.23 Hz
Second order8.69 Hz8.66 Hz0.27%10.92 Hz
Third order10.47 Hz10.52 Hz0.49%12.16 Hz