In motor vehicles, a power steering system helps drivers steer the vehicle by augmenting steering effort needed to turn the steering wheel, making it easier for the vehicle to turn or maneuver.When you learn to drive, the most difficult control to master is that of steering.

Do you know there are some amazing physics and mechanisms beneath the steering wheel, which keeps the vehicle on the right track without any skidding of the wheels. This video will demonstrate why we need such mechanisms for steering, and how they work. We will also understand the workings of power steering mechanisms. Learn Engineering

Hydraulic or electric actuators add controlled energy to the steering mechanism, so the driver can provide less effort to turn the steered wheels when driving at typical speeds, and reduce considerably the physical effort necessary to turn the wheels when a vehicle is stopped or moving slowly. Power steering can also be engineered to provide some artificial feedback of forces acting on the steered wheels.

Hydraulic power steering systems for cars augment steering effort via an actuator, a hydraulic cylinder that is part of a servo system. These systems have a direct mechanical connection between the steering wheel and the linkage that steers the wheels.Electric power steering systems use electric motors to provide the assistance instead of hydraulic systems. As with hydraulic types, power to the actuator (motor, in this case) is controlled by the rest of the power steering system.

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