Nelipyöräohjauksella

Nelipyöräohjauksella, also known as four-wheel steering (4WS) or all-wheel steering, is a system where the rear wheels of a vehicle can also be steered, in addition to the front wheels. This technology allows for enhanced maneuverability, particularly at low speeds, and improved stability at higher speeds.

In a typical nelipyöräohjauksella system, the rear wheels turn in the opposite direction to the front wheels at low speeds. This effectively shortens the vehicle's wheelbase, allowing for a tighter turning radius. This is highly beneficial in confined spaces such as parking lots or during U-turns. At higher speeds, the rear wheels can be steered in the same direction as the front wheels, or remain relatively straight. This subtle adjustment helps to reduce body roll and improve stability during lane changes or cornering, making the vehicle feel more planted and predictable.

The implementation of nelipyöräohjauksella can vary. Some systems are purely mechanical, while others are electronically controlled, offering more precise adjustments based on vehicle speed and steering input. The benefits include improved agility and a more comfortable driving experience. However, nelipyöräohjauksella systems can add complexity and cost to a vehicle's design and maintenance. Despite these considerations, the technology has been adopted by various manufacturers in passenger cars, trucks, and even specialized vehicles where exceptional maneuverability is required.