ahmed 911 rs(1)

Automobile Braking Systems

Presenters

  • Ahmed Al-Ansari

  • Abdulrahman Al-Badwawi

Page 2: Introduction to Car Brakes

  • Car brakes are crucial safety features that enable drivers to maintain control under a variety of driving circumstances in addition to efficiently slowing down or stopping. Brakes' effectiveness and dependability can reduce collisions and improve overall driving safety.

Page 3: Components of a Brake System

  • Brake Pedal: Initiates braking action when pressed.

  • Master Cylinder: Converts pedal force into hydraulic pressure.

  • Brake Fluid: Transmits force from the master cylinder to the brakes.

  • Wheel Cylinders: Applies force to brake shoes or pads.

  • Brake Shoes or Pads: Create friction against drum or rotor to stop the vehicle.

  • Drums or Rotors: Components where the brake shoes or pads make contact.

  • Brake Lines: Carry brake fluid from the master cylinder to the brake components.

  • Brake Calipers: Squeeze brake pads against the rotors to create friction.

  • Brake Booster: Amplifies brake force for easier stopping.

  • Anti-lock Brake System (ABS): Prevents wheel lockup during braking.

Page 5: Anti-lock Braking System (ABS)

  • Definition: Advanced safety feature in cars and vehicles.

  • Purpose: Prevents wheels from locking during:

    • Sudden braking situations.

    • Slippery road conditions.

Page 6: How the ABS System Works

  1. Speed Sensors:

    • Located on each wheel/axle.

    • Monitor the rotational speed of the wheels.

  2. Electronic Control Unit (ECU):

    • Receives data from the sensors.

    • Determines if a wheel is about to lock.

  3. Control Valves:

    • Adjust brake fluid pressure to specific wheels as required.

  4. Hydraulic Pump:

    • Restores brake pressure as needed.

    • Ensures consistent braking control.