A New Simultaneous Identification of the Harmonic Excitations and Nonlinear Damping of Forced Damped Nonlinear Oscillations: A Parametric Approach

Table 1

Identified coefficients compared with the exact ones: steady-state region.

	𝑐1	𝑐2	Γ1	Γ2
Exact	4	2	1	2
Identified	3.9761	2.0195	0.9988	2.0003
Error (%)	0.6	1.0	0.1	0.02