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Stability analysis of a tightly controlled load supplied by a DC-DC boost converter with a modified sliding mode controller

Abstract : It is common in transportation systems to have small LC filters connected to constant power loads. That may lead to instabilities. To stabilize the system without increasing its weight and volume, a new control scheme is studied, based on a sliding mode controller. It is applied to a DC-DC boost converter that supplies a constant power load. The stability analysis is done using discrete-time model to obtain a Jacobian matrix. Eigenvalues of the Jacobian matrix are calculated to conclude about the stability. Simulations and experimental results are given to validate the modified control.
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https://hal.univ-lorraine.fr/hal-01386392
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Submitted on : Monday, October 24, 2016 - 9:22:55 AM
Last modification on : Friday, June 4, 2021 - 10:24:06 AM

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Louis-Marie Saublet, Roghayeh Gavagsaz-Ghoachani, Jean-Philippe Martin, Serge Pierfederici, Babak Nahid-Mobarakeh, et al.. Stability analysis of a tightly controlled load supplied by a DC-DC boost converter with a modified sliding mode controller. ITEC 2014, IEEE Transportation Electrification Conference and Exposition, Jun 2014, Dearborn (MI), United States. pp.52-57, ⟨10.1109/ITEC.2014.6861851⟩. ⟨hal-01386392⟩

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