S. Kumar and H. P. Ikkurti, Design and control of novel power electronics interface for battery-ultracapacitor hybrid energy storage system, International Conference on Sustainable Energy and Intelligent Systems (SEISCON 2011), pp.236-241, 2011.
DOI : 10.1049/cp.2011.0367

R. M. Schupbach and J. C. Balda, Comparing DC-DC converters for power management in hybrid electric vehicles, IEEE International Electric Machines and Drives Conference, 2003. IEMDC'03., 2003.
DOI : 10.1109/IEMDC.2003.1210630

H. R. Karshenas, H. Daneshpajooh, A. Safaee, P. Jain, and A. Bakhshai, Bidirectional DC- DC Converters for Energy Storage Systems, Energy Storage in the Emerging Era of Smart Grids, p.18, 2011.

L. Redondo and J. Silva, Solid State Pulsed Power Electronics, Power Electronics Handbook, pp.669-707, 2011.
DOI : 10.1016/B978-0-12-382036-5.00026-4

L. Encarnação, J. F. Silva, S. F. Pinto, and L. M. Redondo, Grid Integration of Offshore Wind Farms Using Modular Marx Multilevel Converters, Doctoral Conference on Computing, Electrical and Industrial Systems, pp.311-320, 2012.
DOI : 10.1007/978-3-642-28255-3_34

L. Encarnação, J. F. Silva, S. F. Pinto, and L. M. Redondo, A New Modular Marx Derived Multilevel Converter, 2nd Doctoral Conf. on Computing Electrical and Industrial Systems ? DoCEIS Costa da Caparica, pp.573-580, 2011.
DOI : 10.1007/978-3-642-19170-1_63

K. Ogata, Modern Control Engineering, Journal of Dynamic Systems, Measurement, and Control, vol.93, issue.1, 2010.
DOI : 10.1115/1.3426465