Online Structural Health Monitoring and Parameter Estimation for Vibrating Active Cantilever Beams Using Low-Priced Microcontrollers

Table 2

Summary of estimated results (mean estimates at = 50–60 s).

Number	Weight	Detected	(Hz)	(kg)	(Nm^−1)	(Nsm^−1)	(NkV^−1)
1	0 g	✗	2.26	0.42	83.8	1.7	0.5
2	16 g	76.5 s	2.23	0.42	83.2	1.8	0.5
3	50 g	49.2 s	2.20	0.44	83.8	1.8	0.4
4	99 g	46.1 s	2.11	0.47	82.9	1.7	0.4
5	195 g	44.4 s	1.98	0.56	86.9	1.9	0.4
6	246 g	41.7 s	1.91	0.60	86.5	2.2	0.3
7	345 g	39.9 s	1.81	0.61	79.0	1.9	0.2