Jurnal Sains Matematika dan Statistika
Vol 12, No 1 (2026): JSMS Januari 2026

Application of the Mamdani Fuzzy Inference System in Evaluating Traffic Accident Risk for Four-Wheeled Vehicles

Purnama, Fahrul (Unknown)
Budiman, Indra (Unknown)
Azizah, Nur (Unknown)



Article Info

Publish Date
10 Feb 2026

Abstract

Traffic accidents involving four-wheeled vehicles constitute a complex problem influenced by multiple factors, including vehicle speed and traffic density. Accurate accident-risk assessment is essential to support preventive and control efforts on road networks. This study aims to design and implement an accident-risk evaluation model based on a Mamdani-type Fuzzy Inference System (FIS) to accommodate uncertainty in decision-making. The research procedure includes identifying input and output variables, constructing membership functions, fuzzification, formulating fuzzy rules, and performing inference and defuzzification. Testing results indicate that, for a combination of 80 km/h speed and 70 vehicles/km density, the centroid defuzzification method yields a risk value of 25.31%. This value falls within the low-to-moderate risk category. These findings suggest that the developed Mamdani FIS model is effective as a methodological approach for accident-risk evaluation.

Copyrights © 2026






Journal Info

Abbrev

JSMS

Publisher

Subject

Mathematics

Description

Jurnal JSMS (print ISSN: 2460-4542 dan online ISSN: 2615-8663) adalah akademik jurnal yang diterbitkan dua kali setahun (Januari dan Juli). Jurnal JSMS bertujuan menerbitkan hasil penelitian berkualitas tinggi yang direview oleh beberapa orang reviewer di bidang Matematika dan Statistika yang ...