Instantaneous Characteristics of Nonlinear Torsion Pendulum and Its Application in Parameter Estimation of Nonlinear System

Table 7

Relative error of moment of inertia.

	Estimated value	Relative error
	54.2722 kg⋅m^2	0.68%
	54.2236 kg⋅m^2	0.59%
	54.2021 kg⋅m^2	0.55%
	54.2398 kg⋅m^2	0.62%
	54.2129 kg⋅m^2	0.57%