Dynamic Characteristics of Magnetic Suspended Dual-Rotor System by Riccati Transfer Matrix Method

Table 1

Model parameters of the AMB system.

Parameter	Description	Value
μ0	Vacuum permeability	4π × 10^−7 H/m
Fmax	Maximum bearing capacity	240 N
	Nominal air-gap length	0.5 mm
N	Coil turn	160
Ib	Bias current	3.0 A
icmax	Maximum control current	3.0 A
Ap	Sectional area of stator pole	2.47 × 10^−4 m^2
Α	Half angle between two poles	π/8 rad
Aa	Gain of the power amplifier	0.6 A/V
As	Gain of the displacement sensor	8 × 10^3 V/m