A Novel Hybrid Control Algorithm Sliding Mode-PID for the Active Suspension System with State Multivariable

Table 1

Parameters of the dynamics model.

Symbol	Description	Value	Unit
ms	Sprung mass	550	kg
mu	Un-sprung mass	55	kg
C	Stiffness of the damper	3900	Ns/m
K	Stiffness of the spring	45000	N/m
KT	Stiffness of the tire	180000	N/m
ξ1	Coefficient	539561	N^3/2/kg^1/2m^1/2V
ξ2	Coefficient	1	s^−1
ξ3	Coefficient	5512500	N/m