Arumugam Palanichamy,
Suresh Alex Selvaraj,
Rajavel Rangasamy,
Karthikeyan Subramanian,
- Research Scholar, Department of Marine Engineering, AMET University, Chennai, Tamil Nadu, India
- Professor, Department of Marine Engineering, AMET University, Chennai, Tamil Nadu, India
- Principal, Sri Balaji Chockalingam Engineering College, A C S Nagar, Irumbedu, Arni, Tamil Nadu, India
- Sr.Manager, Fuel Cell Product Development, Ashok Leyland Technical Centre, Chennai, Tamil Nadu, India
Abstract
Modern passenger vehicles generate large volumes of operational data through On-Board Diagnostics (OBD) systems, enabling continuous observation of vehicle performance under real-world driving conditions. However, much of the existing research mainly analyses previously recorded data and does not provide predictive mechanisms for monitoring vehicle performance under dynamically varying operating conditions. This study presents an AI and machine learning–based method for predicting and monitoring real-world vehicle performance and fuel economy using OBD data collected from a gasoline-powered passenger car during normal driving operation. Key vehicle parameters including vehicle speed, engine speed, throttle position, engine load, and fuel consumption were acquired through the OBD interface and processed using a structured data analytics pipeline. Machine learning techniques including K-Means clustering, K-Nearest Neighbour (KNN) classification, and Random Forest regression were employed to identify representative operating modes, classify driving behaviour patterns, and predict expected fuel economy under varying driving conditions. The developed predictive method enables continuous comparison between predicted and observed vehicle performance, facilitating identification of operational deviations across different driving environments. Analysis of real-world driving data demonstrates the ability of the proposed approach to characterise vehicle operational patterns and support intelligent monitoring of vehicle performance and fuel economy. The study contributes a data-driven predictive monitoring methodology for real-world vehicle analytics, providing a foundation for AI-enabled vehicle performance assessment using OBD big data.
Keywords: Machine learning, on-board diagnostics (OBD), fuel economy prediction, vehicle operational data analytics, vehicle performance monitoring, big data analysis.
[This article belongs to Trends in Machine design ]
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Trends in Machine design
| Volume | 13 | |
| Issue | 02 | |
| Received | 20/05/2026 | |
| Accepted | 29/05/2026 | |
| Published | 15/06/2026 | |
| Publication Time | 26 Days |