Research on the Adaptive Damping Method of Strap-Down Inertial Measurement Unit Based on the Magneto Rheological Technology

Table 1

The comparison of multibody system transfer matrix method and ordinary dynamics method.

Order of modes	Multibody system transfer; matrix method		Ordinary dynamic method		Comparison
	Frequency/Hz	Time/s	Frequency/Hz	Time/s	Calculation error/%	Calculation time/times
1	18.17	0.775	18.18	131.672	0.06	169.90
2	37.44		37.43		−0.03
3	48.17		48.15		−0.04
4	48.41		48.45		0.08
5	62.00		62.05		0.08
6	93.30		93.35		0.05