The stabilization system controls the dynamics of the car in extreme conditions, for example when negotiating corners at high speed. The risk of a car drifting or skidding is significantly reduced in all possible road surface conditions.
Usually the stabilization system is always on. Only in certain exceptional cases, when wheel spin is desired, is it preferable to switch off the system.
The action of the electronic stabilization system
The electronic stabilization system integrates anti-lock braking system and both traction control systems. In addition to the information that is necessary for these systems, the control unit of the electronic stabilization system requires additional data that is supplied by highly sensitive sensors. The speed of movement of the body around the vertical axis of the vehicle, the magnitude of accelerations in the transverse plane, the pressure in the brake drive system and the angle of rotation of the steered wheels are measured.
Based on the steering angle and vehicle speed, the direction in which the driver intends to move is determined and constantly compared with the actual behavior of the vehicle. If these factors are inconsistent, when the car begins to drift or skid, the stabilization system automatically brakes a certain wheel.
Through the forces that arise when the desired wheel is braked, the car returns to a state of dynamic stability. When the car is oversteered (desire to skid the rear of the car) the braking action is applied to the front wheel, which is outside of the turn, in case of understeer (the desire to demolish the front of the car out of the turn) the rear inner wheel is braked.
Visitor comments