Research Article

Validation and Optimization of Suspension Design for Testing Platform Vehicle

Table 2

Structural parameters of the testing platform vehicle.

ParametersSymbolUnitValue

Unsprung masskg135
Sprung masskg12
Suspension stiffnessN/m130,000
Damping coefficientN/(m/s)2,000
Installation location parameters 0.5
Tire stiffnessN/m50,000
Length of the lower rocker armm0.15
Moment of inertia of wheel and rocker arm around hingekg.m20.06
Lower stopband edge frequencyHz0.01
Road roughness coefficientmāˆ’30.000064
Testing platform vehicle speedm/s3