Vehicle parameters
This is a description of all vehicle related parameters which are used in the software. Please adjust all values properly to your vehicle, as all of these values might be used by some algorithms on the vehicle ECU.
Variable |
Unit |
Description |
|---|---|---|
A_BrakePadF_m2 |
m^2 |
Brake pad contact area front |
A_BrakePadR_m2 |
m^2 |
Brake pad contact area rear |
A_VehicleReference_m2 |
m^2 |
Aero reference area |
c_SpringF_Npm |
Npm |
Front axle spring constant |
c_SpringR_Npm |
Npm |
Rear axle spring constant |
cL_front |
Aero lift coefficient front axle |
|
cL_rear |
Aero lift coefficient rear axle |
|
cog_x |
m |
Centre of gravity from front axle |
cog_y |
m |
Centre of gravity from centre of front axle |
cog_z |
m |
Centre of gravity from ground plane |
Crr_RollingResistanceF |
Tire rolling resistance front |
|
Crr_RollingResistanceR |
Tire rolling resistance rear |
|
drag_coefficient |
Aero drag coefficient |
|
gearratio |
Gearbox ratio between motor and wheel |
|
l_front_m |
m |
Centre of gravity from front axle |
l_rear_m |
m |
Centre of gravity from rear axle |
m_tireF_kg |
kg |
Wheel package weight (one side) front axle |
m_tireR_kg |
kg |
Wheel package weight (one side) rear axle |
motionratio_WheelArbF |
Motion ratio antirollbar spring travel vs wheel travel front |
|
motionratio_WheelArbR |
Motion ratio antirollbar spring travel vs wheel travel rear |
|
motionratio_DamperF |
Motion ratio damper travel vs wheel travel front |
|
motionratio_DamperR |
Motion ratio damper travel vs wheel travel rear |
|
motionratio_SpringF |
Motion ratio spring travel vs wheel travel front |
|
motionratio_SpringR |
Motion ratio spring travel vs wheel travel rear |
|
mue_BrakePadsDisc |
Brake disc friction coefficient |
|
P_VDC_MinVelSlipCalc_mps |
mps |
Minimum value for which slip calculations are performed |
r_Brake2WheelcenterF_m |
m |
Lever arm for brake pad force front |
r_Brake2WheelcenterR_m |
m |
Lever arm for brake pad force Rear |
roh_air |
kg/m^3 |
Air density |
tw_front_m |
m |
Track width at front axle |
tw_rear_m |
m |
Track width at rear axle |
tyre_width_F |
m |
Tire width at front axle |
tyre_width_R |
m |
Tire width at rear axle |
tyreradius_front_m |
m |
Tire radius at front axle |
tyreradius_rear_m |
m |
Tire radius at rear axle |
vehicleinertia_kgm2 |
kgm2 |
Vehicle yaw inertia |
vehiclemass_kg |
kg |
Vehicle mass |
WheelInertia_Front_kgm2 |
kgm2 |
Wheel package inertia front |
WheelInertia_Rear_kgm2 |
kgm2 |
Wheel package inertia rear |