I mostly teach in courses such as MM101, MM103 or other courses such as: MM316, MM481, MM223, MM469. My research areas are in renewable energy systems, energy storage, model parameter estimation and hydrogen fuel cell systems. Other research areas include waste recycling and product development from waste materials.

Undergraduate Courses:

• MM101
• MM103
• MM223
• MM316
• CV 316
• EE 316
• MM481
• CV 481
• EE 481
• MM 469

Postgraduate Course:

• MSc co- supervision.

Hydrogen Fuel, Compressed Air Energy, Wind Energy, Parameter estimation, Wave Energy, Optimization algorithms, Technoeconomic studies.

Recent Journals

[1]       K. Ram, S. S. Chand, R. Prasad, A. Mohammadi, and M. Cirrincione, “Microgrids for green hydrogen production for fuel cell buses–A techno-economic analysis for Fiji,” Energy Conversion and Management, vol. 300, p. 117928, 2024.

[2]  K. Ram, S. S. Kumar, V. Léchappé, A. Mohammadi, and M. Cirrincione, “Thermal and Air Management of an Open Cathode Proton Exchange Membrane Fuel Cell Using Sliding Mode Control,” Journal of Electrochemical Energy Conversion and Storage, vol. 21, no. 021010, Aug. 2023, doi: 10.1115/1.4063056.

[3] K. R. Ram, S. P. Lal, and M. R. Ahmed, “Design and optimization of airfoils and a 20 kW wind turbine using multi-objective genetic algorithm and HARP_Opt code,” Renewable Energy, vol. 144, pp. 56–67, 2019, doi: https://doi.org/10.1016/j.renene.2018.08.040.

Conferences

[1] N. Katauea, S. S. Chand, R. Prasad, K. Ram, A. Mohammadi, and M. Cirrincione, “Feasibility Study of Hybrid Microgrids with Green Hydrogen Production Capability for Kiribati,” presented at the 2023 IEEE International Conference on Energy Technologies for Future Grids (ETFG), IEEE, 2023, pp. 1–6.

[2] N. I. Jannif, K. Ram, K. Bangalini, A. Loli, A. Mohammadi, and M. Cirrincione, “supercapacitor Parameter estimation and Hybridization with PEMFC for Purge compensation,” presented at the 2022 International Symposium on Power Electronics, Electrical Drives, Automation and Motion (SPEEDAM), IEEE, 2022, pp. 70–75.

[3] S. S. Kumar, M. Cirrincione, V. Léchappé, K. Ram, and A. Mohammadi, “A Simplified Control Oriented Model of an Open Cathode PEM Fuel Cell,” in 2021 IEEE 12th Energy Conversion Congress & Exposition – Asia (ECCE-Asia), May 2021, pp. 2415–2420. doi: 10.1109/ECCE-Asia49820.2021.9479098.

[4] R. Kumar, S. Kumar, G. Cirrincione, M. Cirrincione, D. Guilbert, K. Ram, and A. Mohammadi, “Power Switch Open-Circuit Fault-Diagnosis Based on a Shallow Long-Short Term Memory Neural Network: Investigation of an Interleaved Buck Converter for Electrolyzer applications,” presented at the 2021 IEEE Energy Conversion Congress and Exposition (ECCE), IEEE, 2021, pp. 483–488.

[5] K. Ram, K. Naidu, R. Kumar, M. Cirrincione, and A. Mohammadi, “Model Comparison and Parameter Estimation of Polymer Exchange Membrane (PEM) Fuel Cell Based on Nonlinear Least Squares Method,” in 2019 International Aegean Conference on Electrical Machines and Power Electronics (ACEMP) 2019 International Conference on Optimization of Electrical and Electronic Equipment (OPTIM), Aug. 2019, pp. 500–505. doi: 10.1109/ACEMP-OPTIM44294.2019.9007136.

[6] H. Mudaliar, D. Kumar, S. Rokocakau, K. Ram, M. Assaf, M. Cirrincione, and A. Mohammadi, “FPGA-based multi-parametric non-linear model predictive control for a micro-grid in small islands,” presented at the 2018 21st International Conference on Electrical Machines and Systems (ICEMS), IEEE, 2018, pp. 1995–1999.

1. Reripa Call 3 Project: Living Labs (ongoing)
2. Fiji Water Shrink Wrap Machine (ongoing)
3. Telehealth Cart for Enabling Remote Healthcare Access in a Pandemic and beyond in Fiji (Completed)
4. Low-Cost Emergency Ventilator Project during the 2020 COVID pandemic. (Completed)