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How Do Active Braking Systems Work?
- Apr 07, 2017 -

There are many versions of active braking systems, providing differing degrees of braking support. Preliminary systems, such as Brake Assist, measure the speed and force of brake application to determine whether the driver is attempting an emergency stop. If such an emergency is determined, the system applies additional brake pressure to allow the driver to take full advantage of the Antilock Braking System (ABS) which prevents wheel lock up.

More advanced systems such as Volvo’s Collision Warning with Brake Support and Mercedes Brake Assist System Plus, use radar and or cameras to scan ahead of the car for moving and stationary hazards. If a potential collision is detected, audiovisual warnings are provided to the driver and the brakes are primed ready for maximum application.

Volvo's Collision Warning with Brake Support uses radar and or camera's to scan ahead of the car for moving and stationary hazards - Photo courtesy of Volvo Cars Australia

The latest systems such as Mercedes Benz PreSafe and Volvo’s Collision Avoidance with Auto Brake, have the added safety and security of an additional feature which allows the car to automatically apply the brakes to slow the car if the driver does not respond to repeated warnings and the system detects an unavoidable collision.

Volvo’s Collision Avoidance with Auto Brake can automatically apply the brakes to slow the car - Photo courtesy of Volvo Cars Australia