Modelling and adaptive control strategy in a lactic fermentation process
| Autor: | A. Olmos-Dichara, C. Ben Youssef, V. Guillou |
|---|---|
| Rok vydání: | 2000 |
| Předmět: |
Engineering
Adaptive control Process modeling business.industry Applied Mathematics Process (computing) Computer Science Applications Control and Systems Engineering Control theory Control system Process output Production (economics) Fermentation Biochemical engineering Electrical and Electronic Engineering business Lactic acid fermentation |
| Zdroj: | Control Engineering Practice. 8:1297-1307 |
| ISSN: | 0967-0661 |
| DOI: | 10.1016/s0967-0661(00)00061-7 |
| Popis: | The modelling and design of an adaptive control strategy for lactic acid production in a continuous-flow two-stage reactor is reported. First, the medium enrichment effect, only recently investigated, is explicitly taken into account to derive an experimental model validated in batch cultures. Then, the control objective, which relies on a trade-off between total substrate depletion and optimal productivity, is stated according to economic imperatives of lactic acid production optimisation. A preliminary steady-state analysis allows the control objective to be formulated in terms of substrate supply regulation. Due to the practical importance of achieving applicable control, an adaptive-multivariable predictive-control law, where only the process output is needed and where the specific rate parameters are considered as time-varying, is proposed. Evaluation by simulation shows the efficiency and feasibility of such a control system. |
| Databáze: | OpenAIRE |
| Externí odkaz: |
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