Suppression of Switched Reluctance Motor Vibration of In-Wheel Motor Electric Vehicle

Table 2

The vehicle parameter values.

Definition	Symbol	Units	Value
Vehicle total mass		kg	1770
Sprung mass		kg	1350
Mass of tyre, rim and SRM rotor of front wheel		kg	70
Mass of tyre, rim and SRM rotor of rear wheel		kg	65
Mass of SRM stator and housing		kg	37. 5
Roll moment of inertia		Kg m^2	480
Pitch moment of inertia		Kg m^2	1895
Yaw moment of inertia		Kg m^2	1875
Height of CG		m	0. 504
Height of pitch center		m	0. 4
Height of roll center		m	0. 25
Distance from CG to front axle	a	m	1. 08
Distance from CG to rear axle	b	m	1. 62
Track width of front axle		m	1. 4
Track width of rear axle		m	1. 385
Wheel inertia		Kg m^2	1. 8
Effective radius of wheel	R	m	0. 269
Stiffness of front suspension		N/m	22500
Stiffness of rear suspension		N/m	19600
Damping of front/rear suspension		Ns/m	1695
Sum of SRM and hub bearing stiffness		N/m	6500000
Stiffness of tyre		N/m	150000