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Control of an electric starter to a DC-embedded microgrid: Dynamical stability issue

Abstract : This paper describes a new control method for the electric starter using a series DC motor where it is connected to a DC embedded microgrid. In some cases, one needs to reduce the number of sensors. Therefore, an observer should be used. The procedure to design such observer, it is usually done after design the controller. Thus, separation dynamics of the controller and observer must be held. With a proposed control strategy, the controller and observer are designed at the same time without separation of their dynamics. The starter motor for an engine is supplied energy by a microgrid with a moving DC bus through a DC-DC buck converter. In this study, the input voltage of the starter's system can vary from 12 V to 50 V. The cable and the input capacitor forms an input LC filter. This filter might interact with the tightened controlled power converter. The stabilizer can be used to avoid the stability issue. The experimental results are given to validate the proposed approach compared to that obtained using the indirect-sliding mode control.
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https://hal.univ-lorraine.fr/hal-02178405
Contributor : Jean-Philippe Martin <>
Submitted on : Tuesday, July 9, 2019 - 6:11:56 PM
Last modification on : Friday, June 4, 2021 - 10:24:06 AM

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Matheepot Phattanasak, Roghayeh Gavagsaz-Ghoachani, Fadi Sharif, Babak Nahid-Mobarakeh, Jean-Philippe Martin, et al.. Control of an electric starter to a DC-embedded microgrid: Dynamical stability issue. 2018 IEEE International Conference on Electrical Systems for Aircraft, Railway, Ship Propulsion and Road Vehicles & International Transportation Electrification Conference (ESARS-ITEC), Nov 2018, Nottingham, France. pp.1-5, ⟨10.1109/ESARS-ITEC.2018.8607777⟩. ⟨hal-02178405⟩

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