Title :
PEM fuel cell/ DC-DC boost power converter system control via traditional and higher order sliding modes
Author :
Shtessel, Yuri B. ; Ashok, Roshini S.
Author_Institution :
Univ. of Alabama in Huntsville, Huntsville, AL, USA
Abstract :
Proton Exchange Membrane fuel cell (PEMFC) is considered as a primary source of electrical energy for the DC-DC boost power converter. System´s PEMFC/DC-DC boost power converter zero dynamics are analyzed and appeared to be stable. Relative degree approach is applied for direct control of the output load voltage and the fuel cell current in the presence of the model uncertainties. The sliding mode observer is employed for identification of the load resistance, which estimated value is used for generating the fuel cell current command profile. The decoupled traditional SMC and 2-SMC super-twisting sliding mode controller are designed to control the output voltage the PEMFC current respectfully. The efficacy and robustness of the proposed SMC and 2-SMC controllers are confirmed via computer simulations.
Keywords :
DC-DC power convertors; fuel cell power plants; observers; power generation control; proton exchange membrane fuel cells; variable structure systems; 2-SMC super-twisting sliding mode controller; computer simulations; electrical energy; higher order sliding modes; proton exchange membrane fuel cell -DC-DC boost power converter system control; relative degree approach; sliding mode observer; DC-DC power converters; Electrodes; Fuel cells; Inductance; Load modeling; Mathematical model; Voltage control;
Conference_Titel :
Decision and Control and European Control Conference (CDC-ECC), 2011 50th IEEE Conference on
Conference_Location :
Orlando, FL
Print_ISBN :
978-1-61284-800-6
Electronic_ISBN :
0743-1546
DOI :
10.1109/CDC.2011.6160529
