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Nonlinear adaptive control strategies for a pH neutralization process are developed and evaluated via simulation. A physically-based nonlinear model is derived using the concept of reaction invariants. The nonlinear controller design is based on a modified input-output linearization approach. In order to account for changes in buffering, nonlinear adaptive controllers are developed using direct and...
In this paper nonlinear control strategies based on exact linearization are designed and evaluated for continuous fermentors. The dilution rate and the feed substrate concentration are considered as potential manipulated inputs in single-input single-output schemes for productivity control. The resulting controllers are compared theoretically and via simulation. It is shown that the nonlinear controllers...
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