Research on Torque Ratio Based on the Steering Wheel Torque Characteristic for Steer-by-Wire System

Table 2

Parameters of steering executive block.

Parameters	Values
Equivalent friction torque 𝑇friction_𝑝; (column hysteresis in Carsim)	2.1 Nm
Equivalent damping coefficientat rack; (front steering damping in Carsim)	2.1 Ns/mm
Equivalent moment of inertia 𝐽𝑝; (system inertia in Carsim)	0.12 kgm^2
Ratio of steering gear; (C factors in Carsim)	49.93 mm/rev
Reduction ratio of worm and gear 𝑔𝑝	15