International Journal of Engineering Research in Computer Science and Engineering (IJERCSE)

Development of Ultrasonic Sensor Based Automatic Braking System

Author : Ajith Kumar T ¹ Arul Prakash M ² Ajith R ³ Abishek N ⁴ Surendhar S ⁵

Date of Publication :10th July 2019

Abstract: Currently, vehicles are equipped with active safety systems to reduce the risk of accidents, many of which occur in the urban environments. The most popular include Antilock Braking Systems (ABS), Traction Control and Stability Control. All these systems employ different types of sensors to constantly monitor the conditions of the vehicle, and respond in an emergency situation. In the present work, a test setup for the use of ultrasonic sensors in safety systems for controlling the speed of a vehicle is developed and tested. An intelligent mechatronic system includes an ultrasonic wave emitter provided on the front portion of a car producing and emitting ultrasonic waves frontward in a predetermined distance. An ultrasonic receiver is also placed on the front portion of the car operatively receiving a reflective ultrasonic wave signal. The reflected wave (detected pulse) gives the distance between the obstacle and the vehicle. Then a microcontroller is used to control the speed of the vehicle based on the detection pulse information to push the brake pedal and apply brake to the car stupendously for safety purpose.

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