Robust reduced-order observer applied to a biodigester
This work described the state observation problem for the nonlinear dynamics of a biodigester where parametric variation and uncertainties in its behavior are present due to the operating environment of the system. The proposed development considers a separation between measurable and non-measurable...
| Autores: | , , , , |
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| Formato: | artículo |
| Estado: | Versión publicada |
| Fecha de publicación: | 2022 |
| País: | México |
| Recursos: | UNIVERSIDAD AUTÓNOMA DEL ESTADO DE HIDALGO |
| Repositorio: | PÄDI Boletín Científico de Ciencias Básicas e Ingeniería del ICBI |
| Idioma: | español |
| OAI Identifier: | oai:repository.uaeh.edu.mx:article/8971 |
| Acesso em linha: | https://repository.uaeh.edu.mx/revistas/index.php/icbi/article/view/8971 |
| Access Level: | acceso abierto |
| Palavra-chave: | Robust Observer Non-singular transformation Reduced observer Biodigester Observador Robusto Transformación no-singular Orden reducido Biodigestor |
| Resumo: | This work described the state observation problem for the nonlinear dynamics of a biodigester where parametric variation and uncertainties in its behavior are present due to the operating environment of the system. The proposed development considers a separation between measurable and non-measurable variables by means of a transformation, also by using LMI it is concluded the concept of Uniformly Bounded Ultimate Stability on the estimation error. For this purpose, an observation function is designed that considers the estimation error associated to the state variables that are not quantified online. The reconstruction of the unavailable variables is performed by solving a linear matrix inequality. To demonstrate the performance of the observer, the algorithm is applied to a biodigester containing parametric variations in the bioprocess of biogas production. |
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