Electric propulsion systems (EPS) are increasingly being adopted in marine industry due to their efficiency, lower greenhouse gas emissions, and operational flexibility. However, harsh marine environment and continuous operation necessitate robust condition monitoring (CM) and fault diagnosis (FD) techniques to ensure reliability and prevent catastrophic failures. Continuous monitoring detects early signs of equipment degradation, preventing unexpected failures and ensuring uninterrupted operation of electric propulsion systems. Real-time monitoring prevents hazardous conditions such as overheating, insulation breakdown, or mechanical failures, enhancing crew and vessel safety. FD techniques identify inefficiencies in motors, power electronics, and energy storage, ensuring optimal performance and reduced energy consumption. CM and FD enable condition-based maintenance, reducing unnecessary scheduled downtime and allowing repairs only when needed, optimizing operational efficiency. Therefore, this paper presents a comprehensive review of CM and FD techniques specifically developed for marine EPS, addressing both conventional approaches and cutting-edge intelligent methods. It systematically examines vibration analysis, thermal monitoring, electrical signature analysis, and lubrication monitoring as foundational CM techniques, while exploring artificial intelligence, machine learning, and digital twin technologies in fault prediction and system health management.
Jabari,F . (2026). Condition Monitoring and Fault Diagnosis of Electric Propulsion Systems in Marine Transportation. Advances in Sustainable Energies and Environment, 01(01), 45-52. doi: 10.22034/a-see.2025.2070355.1007
MLA
Jabari,F . "Condition Monitoring and Fault Diagnosis of Electric Propulsion Systems in Marine Transportation", Advances in Sustainable Energies and Environment, 01, 01, 2026, 45-52. doi: 10.22034/a-see.2025.2070355.1007
HARVARD
Jabari F. (2026). 'Condition Monitoring and Fault Diagnosis of Electric Propulsion Systems in Marine Transportation', Advances in Sustainable Energies and Environment, 01(01), pp. 45-52. doi: 10.22034/a-see.2025.2070355.1007
CHICAGO
F Jabari, "Condition Monitoring and Fault Diagnosis of Electric Propulsion Systems in Marine Transportation," Advances in Sustainable Energies and Environment, 01 01 (2026): 45-52, doi: 10.22034/a-see.2025.2070355.1007
VANCOUVER
Jabari F. Condition Monitoring and Fault Diagnosis of Electric Propulsion Systems in Marine Transportation. A-SEE. 2026;01(01):45-52. doi: 10.22034/a-see.2025.2070355.1007
