Research Article Autonomous Braking System Using Linear Actuator R. Vaibhav , 1 N. Amutha Prabha , 1 V. Indragandhi , 1 M. Bharathidasan , 1 S. Vasantharaj , 1 and J. Sam Alaric 2 1 School of Mechanical Engineering, Vellore Institute of Technology, Vellore City, India 2 Department of Electrical and Computer Engineering, Wollega University, Ethiopia Correspondence should be addressed to J. Sam Alaric; samalaric@gmail.com Received 27 July 2022; Revised 21 October 2022; Accepted 5 November 2022; Published 22 November 2022 Academic Editor: Giovanni Pau Copyright © 2022 R. Vaibhav et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. The most frequent cause of vehicle accidents (car, bike, truck, etc.) is the unexpected existence of barriers while driving. An automated braking system will assist and minimize such collisions and save the driver and other people’s lives and have a substantial influence on driver safety and comfort. An autonomous braking system is a complicated mechatronic system that incorporates a front-mounted ultrasonic wave emitter capable of creating and transmitting ultrasonic waves. In addition, a front-mounted ultrasonic receiver is attached to gather ultrasonic wave signals that are reflected. The distance between the impediment and the vehicle is determined by the reflected wave. Then, a microprocessor is utilized to control the vehicle’s speed depending on the detected pulse information, which pushes the brake pedal and applies the vehicle’s brakes extremely hard for safety. For work-energy at surprise condition for velocity 20 km/hr, the braking distance is 17.69 m, and for velocity 50 km/hr, the braking distance is 73.14. 1. Introduction Technology related to self-driving cars has grown at an exponential rate during the last decade. The global market for self-driving cars is estimated to be around 6.5 thousand units in 2019, with a compound annual growth rate (CAGR) of 63.5 percent between 2020 and 2027 [1]. By 2027, the global market for autonomous vehicles is expected to reach 560 billion. Autonomous braking is a vital technology for future safe-driving system development. Vehicles equipped with autonomous braking technology can detect an impend- ing collision with another vehicle, person, or barrier [2]. When the system detects an impediment, it may initiate one of the two modes of autonomous braking. The first mode is collision avoidance. Collision avoid- ance automatic braking prevents accidents [3]; however, the driver is not notified before the system brakes. The second option is collision mitigation or collision warning. The sensors in a collision mitigation system identify the probability of an accident but take no immediate action; rather, the driver will get a warning signal or voice message. Due to the absence of a driver in an autonomous car, the system must make a choice [4]. As a result, we developed an automated braking system in which the ultrasonic sensor is replaced by a lidar sensor. The lidar sensor emits rapid laser signals, sometimes up to 150,000 pulses per second, and provides both the location and a three-dimensional image of objects in front of the automobile [5]. The system is controlled by the microcontroller (Arduino UNO), which in turn controls the linear actuator that applies the brake. Autonomous braking systems (ABS) must be precise in a wide range of conditions. False-alarm scenarios erode driver confidence and can be dangerous [6]. Self-driving braking systems are now standard in the vast majority of automo- biles. These gadgets detect approaching collisions and take corrective action to prevent them [7]. These systems operate independently of the driver, using brakes to slow and stop the vehicle, preventing collisions, or reducing impact. We examine a car equipped with an ABS from the standpoint of systems-of-systems and develop guidelines for the design of an ABS to avoid harmful emer- gent behavior and increase the ABS’s safety [8]. The research focuses on designing enhanced brakes for autonomous vehicles utilizing a DC intelligent servo motor torque Hindawi Journal of Sensors Volume 2022, Article ID 7707600, 8 pages https://doi.org/10.1155/2022/7707600