Integrated Braking Safety System Development for Electric Formula Vehicle in NxGV Challenge 2025

Abstract

This research presents the design and development of an advanced braking system for a high-performance electric formula vehicle engineered for the Next Generation Vehicle (NxGV) Challenge 2025. With the increasing integration of electric powertrains in motorsport applications, the demand for braking systems that ensure operational safety, energy efficiency, and optimal dynamic performance has become critically important. A prominent safety concern in fully electric vehicles is the potential for unintended acceleration caused by concurrent brake and throttle inputs. To address this issue, a Brake System Plausibility Device (BSPD) was developed to continuously monitor and evaluate input consistency. The proposed system incorporates a brake pressure sensor and a power battery sensor to monitor both input parameters. When the battery power exceeds 5 kW and the brake pressure surpasses 30 bar, the BSPD triggers an immediate disconnection of motor power to mitigate potentially hazardous conditions. An automated re-evaluation is conducted after a 10-second delay, allowing motor power to be safely restored if normal input conditions are detected. The system was prototyped on a breadboard and subjected to functional testing, confirming its responsiveness and reliability in managing safety-critical scenarios. The findings demonstrate the BSPD’s effectiveness in fulfilling both performance and safety requirements for competitive electric vehicles. This work contributes to the advancement of intelligent, sensor-integrated braking solutions for next-generation electric and autonomous vehicle platforms.