Transient Analysis of Speed-Varying Rotor with Uncertainty Based on Interval Approaches

Table 1

Parameters of the rotor system.

Symbol	Description	Value
	Young’s modulus of elasticity	N/m^2
	Length of shaft 1	0.05 m
	Length of shaft 2	0.96 m
	Length of shaft 3	0.24 m
	Length of shaft 4	0.03 m
	Diameter of shafts	0.03 m
	Stiffness of support 1	N/m
	Stiffness of support 2	N/m
	Viscous damping	200 N⋅s/m
	Disc mass	20 kg
	Density	7800 kg/m^3
	Polar mass moment of inertia	0.6250 kg⋅m^2
	Transverse mass moment of inertia	0.3125 kg⋅m^2