Brake Assist System

8/3/2019 Brake Assist System

1/19


2/19

INTRODUCTION

Brake assist senses emergency braking by

detecting the speed at which the driver presses

the brake pedal and immediately applying allavailable power boosts .brake assistance can

potentially reduce overall stopping distance by

eliminating the delay caused by a common

human tendency of braking hard enough orsoon enough.


3/19

HISTORY

Mercedes originally invented this system

in the 1990s to shorten emergency stopping

distances takes over if a driver applies thebrakes quickly but too gently in a critical

situation. The system automatically develops

maximum brake boost with split-second speed,

so reducing the stopping distance by asignificant margin.


4/19

Working


5/19

Driver does not step forcefully enough on the brake

in an emergency. As a result, only a small

amount of brake force is generated. The pedal effort of this type of driver might weaken

as time passes, causing a reduction of braking force.

Based on how quickly the brake pedal is depressed,

brake assist assesses the intention of the driver to

apply emergency braking and increases the brake

force.

After the brake assist operation, if the driverintentionally releases the brake pedal, the assist

operation reduces the amount of force

simultaneously.


6/19

Comparison


7/19


8/19

ABS andBrakeAssist

1. [Vehicles not Equipped withABS]

2. Tires lock under suddenbraking, vehicle bodyorientation becomes unstable,

and steering wheel inputscannot control the vehicle.

3. [Vehicles Equipped withABS]

4. Tires do not lock undersudden braking, vehicle bodyorientation is as stable as

possible, and steering wheelinputs can help avoid an

obstacle.


9/19


10/19

Brake Assist Systems

Electronic Brake Assist

Mechanical Brake Assist

Hydraulic Brake Assist


11/19


12/19

ElectronicBrakeAssistBA


13/19

MechanicalBrakeAssistMBA


14/19

HydraulicBrakeAssistHBA


15/19

Brake Assist PLUS: Radar sensors for

early accident detection

Situation-related brakingassistance whenanaccidentthreatens

Accidentratereduced from 44 to 11 percentinsimulatortests


16/19

Radar sensors for early accident

detection


17/19

The future: from Brake Assist PLUS

to the PRE-SAFE braking system

Mercedes-Benz combines Brake AssistPLUS with the equally unique occupant

protection system PRE-SAFE, which offers

even more safety functions on board the new

S-Class. PRE-SAFE recognizes potential

accident situations as they arise:


18/19

Conclusion

Innovative technology

Impressive proof of the effectiveness of Brake

AssistAlso be developed into an autonomous braking

system

Less accidents hence less fatalities

Allows the driver feel safer in his car


19/19

Documents

Brake Assist System