Regulation of petrochemical waster at an activated sludge system via a simple robust feedback control aproach
In this paper the regulation of petrochemical wastewater from an activated sludge system is addressed via a simple robust feedback control approach. The control approach is based on simple step response models and a favorable choice of the discharge flow-rate from the settler as the manipulable variable. Based on simple first order model and first order model plus input delay to account for dead-times induced by the measurement of COD two controllers are derived. The proposed controllers are composed by two parts: (i) an uncertainty observer to compensate uncertainties and neglected terms in the input-output models, and (ii) an inverse dynamics feedback controller. Numerical simulations show good closed-loop performance and robustness properties.
| Main Authors: | , , , , |
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| Format: | Digital revista |
| Language: | English |
| Published: |
Universidad Autónoma Metropolitana, División de Ciencias Básicas e Ingeniería
2014
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| Online Access: | http://www.scielo.org.mx/scielo.php?script=sci_arttext&pid=S1665-27382014000300023 |
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