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Overview of Anti-lock Brake System in Automotive Domain

Explore the Anti-lock Brake System (ABS) technology maximizes brake pressure in sub-optimal conditions, preventing skidding, and enhancing vehicle safety. Understand key features like controller calculations and actuator modulation. Delve into domain research linking ABS knowledge to automotive applications, uncover ABS constraints, and learn about ABS self-test functions.

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Overview of Anti-lock Brake System in Automotive Domain

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  1. Overview ofAnti-lock Brake System Jonathan Brown ABS 2 Fall 2001

  2. Anti-lock Brake System • System maximizes the amount of brake pressure applied to wheels in sub-optimal conditions • Motivation for ABS • Prevents uncontrolled skidding • Creates a safer automobile • Originally used in aircraft

  3. Overview of Features • Controller receives wheel speed from independent sensors on each wheel • Controller calculates acceleration on each wheel • When rapid deceleration is detected, signals are sent to the actuators to modulate brake pressure

  4. Domain Research • Investigated anti-lock braking • Needed to apply ABS knowledge to automotive domain • ABS Constraints • All input is from wheel speed sensors or the on-board computer • Pressure is released in response to rapid deceleration • The ABS performs a self-test during ignition and every time the brakes are applied

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