Assessment of Prestress Force in Bridges Using Structural Dynamic Responses under Moving Vehicles

Table 3

Identified results for different noise level.

	Measurement noise
	1%	5%	10%
Max error (%)	1.65	2.24	4.11
Iteration number	14	15	17
𝜆optimal	5.63×10^−9	9.12×10^−9	1.04×10^−8