Stability and directional control of automotive vehicle (Vehicle handling) – (DIN030)
This course has the following objectives:
- To introduce the concepts of stability and directional control of automotive vehicles;
- To present the main subsystems related to the directional behavior of vehicles and how to represent them;
- To define the main parameters associated with the handling characteristics;
- To evaluate the effect of the suspension and steering geometries on the directional behavior of automotive vehicles.
- Definition of vehicle handling
- Quantities related to the lateral dynamics
- Tire models for vehicle handling analysis
- Mechanics of lateral force generation
- Self-aligning torque
- Steering system models
- Steering of the vehicle using a motion statement on the steering-wheel (Fixed control)
- Steering of the vehicle by applying torque to the steering-wheel (free control)
- Vehicle models for handling analysis
- Plane models
- Models with approximate rolling of the vehicle chassis
- Models with vehicle suspensions
- Analysis of the vehicle lateral dynamics
- Steady state response
- Transient response
- Under and over steering
- Definition of understeer gradient
- Methods for determination of understeer gradient
- Effect of suspension and steering systems on the vehicle lateral dynamics
- Definition of the main parameters associated with the handling characteristics
- Analysis of the effect of suspension and steering parameters on the vehicle handling
- Gillespie, T.D. Fundamentals of Vehicle Dynamics, 1992.
- Costa, A. Apostila Dinâmica Veicular, 2003.
- Bastow, D. & Howard, G. Car Suspension and Handling, 3rd edition, 1993.
- Manual “Running Analyses in ADAMS/Car”.
- Rill, G. Simulation Von Kraftfahrzeugen, 1994.