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| Content Provider | IET Digital Library |
|---|---|
| Author | Zakaria, Baroud Noureddine, Gazzam Atallah, Benalia Carlos, Ocampo Martinez |
| Abstract | In this study, an algebraic-observer-based output-feedback controller is proposed for a proton exchange membrane fuel cell (PEMFC) air-supply subsystem, based on both algebraic differentiation and sliding-mode control approaches. The goal of the design is to regulate the oxygen excess ratio (OER) towards its optimal set point value in the PEMFC air-supply subsystem. Hence, an algebraic estimation approach is used to reconstruct the OER based on a robust differentiation method. The proposed observer is known for its finite-time convergence and low computational time compared to other observers presented in the literature. Then, a twisting controller is designed to control the OER by manipulating the compressor motor voltage. The parameters of the twisting controller have been calculated by means of an off-line tuning procedure. The performance of the proposed algebraic-observer-based output-feedback controller is analysed through simulations for different stack-current changes, for parameter uncertainties, and for noise rejection. Results show that the proposed approach properly estimates and regulates the OER in finite-time. |
| Starting Page | 1714 |
| Ending Page | 1721 |
| Page Count | 8 |
| ISSN | 17521416 |
| Volume Number | 12 |
| e-ISSN | 17521424 |
| Issue Number | Issue 14, Oct (2018) |
| Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/iet-rpg/12/14 |
| Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/10.1049/iet-rpg.2018.5421 |
| Journal | IET Renewable Power Generation |
| Publisher Date | 2018-08-31 |
| Access Restriction | Open |
| Rights Holder | © The Institution of Engineering and Technology |
| Subject Keyword | Algebra Algebraic Differentiation Algebraic Estimation Approach Algebraic Observer-based Output-feedback Controller Design Algebraic-observer-based Output-feedback Controller Compressors Control of Electric Power System Control System Analysis Control System Synthesis Feedback Fuel Cell Fuel Cell Power Plant Multivariable Control System Nonlinear Control System Observers OER PEM Fuel Cell Air-supply Subsystem PEMFC Air-supply Subsystem Proton Exchange Membrane Fuel Cell Proton Exchange Membrane Fuel Cell Air-supply Subsystem Robust Control Sliding-mode Control Approach Stability in Control Theory Synthesis Method Twisting Controller Variable Structure System |
| Content Type | Text |
| Resource Type | Article |
| Subject | Renewable Energy, Sustainability and the Environment |
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