ohjausgeometria

Ohjausgeometria, also known as steering geometry, is a branch of automotive engineering that focuses on the design and analysis of the geometric relationships between the steering system, the wheels, and the vehicle's chassis. It plays a crucial role in determining the vehicle's handling characteristics, including its responsiveness, stability, and maneuverability.

The primary components of steering geometry include the kingpin inclination, caster angle, camber angle, and toe-in/toe-out. The kingpin inclination is the angle between the steering axis and the vertical plane, while the caster angle is the angle between the steering axis and the vertical plane when the wheel is rotated about its kingpin. The camber angle is the angle between the vertical plane and the wheel's plane of rotation, and the toe-in/toe-out refers to the angle between the wheel's plane of rotation and the longitudinal axis of the vehicle.

Ohjausgeometria is essential for optimizing a vehicle's handling characteristics. For example, a positive caster angle can improve steering responsiveness and stability, while a negative caster angle can enhance cornering grip. Similarly, a positive camber angle can reduce tire wear and improve handling, while a negative camber angle can enhance straight-line stability.

Ohjausgeometria is typically analyzed using computer-aided design (CAD) software and simulation tools. These tools allow engineers to model and simulate the vehicle's handling characteristics under various conditions, enabling them to optimize the steering geometry for improved performance.