Development of Secondary Braking System in Order to Reduce Accidents Happening Due to Brake Failure

Brakes are implemented in cars to stop the vehicle. The increase in number of deaths and accidents is due to brake failure. Brake failures mainly occur due to brake lining failures and results in pressure loss. The aim of our project is to diagnose faulty braking system and application of an auxiliary secondary braking system in case of brake failures. The Function of secondary braking system helps the driver to stop the vehicle and thus ensures safety of the passengers. The Drum brakes are mounted on the wheel and separate brake hose and master cylinder (fluid reservoir) is provided. The purpose of providing separate brake hose and master cylinder is that due to leakage in brake hose there is loss of fluid and therefore there is loss of fluid pressure in the cylinder/reservoir. When the pedal is pressed the primary brake gets activated but if the wheel does not stop even after full application of primary brake, the condition of emergency arises. In this emergency condition person comes under panic situation and presses the pedal harder. Thus the actuation of secondary brake is designed in such a way that when the pedal is pressed hard the secondary brake gets activated. The maximum force required for full application of primary brake is kept as the initial actuation force of the secondary brake. For this actuation mechanical pedal and lever arrangement is made. Also when secondary brake actuates its indication is shown by glowing of bulb to alert the driver that primary brake has failed and needs to get changed or repaired. Thus with the actuation of secondary brake, brakes will be applied and the accidents occurring basically due to failure of brake can be avoided.