Chassis

General information about Chassis

A basic model of the chassis (the vehicle) is represented as an inertia. This model compute the vehicle speed from a propeller shaft torque and brake torque. It takes into account the road slope resistance, rolling and aerodynamic drag resistances.

Module

Bus Selector for module input

Module output

Output
Node	Variable	Label	Description	Unit
Sensor	Vvehicle	Chassis_vVehAct_mps	Vehicle velocity	m/s
	ωwheel	Chassis_nWheelAct_radps	Wheel speed	rad/s
	mtot	Chassis_massVehAct_kg	Vehicle mass	kg
	α	Chassis_slopeRoad_rad	Road slope	rad
		Chassis_tqAct_Nm		Nm
Drivecycle	α	Chassis_slopeRoad_rad	Drive cycle slope	rad

Module Parameter

Variable	Parameter	Description	Unit
mvehicle	dat.vehicle.mass.value	Vehicle mass	kg
	dat.brakeactuator.timeconstant.value	Brake actuator time constant	-
Afront	dat.aero.af.value	Vehicle frontal area	m2
Cd	dat.aero.cd.value	Aerodynamical drag coefficient	-
rwheel	dat.wheel.radius.value	Wheel radius	m
Jwheel	dat.wheel.inertia.value	Wheel inertia	kgm2
froll	dat.wheel.rollingres.value	Rolling resistance coefficient	-