Title :
Robust nonlinear control of a pH neutralization process
Author :
Ríos-Patrón, Ernesto ; Braatz, Richard D.
Author_Institution :
Illinois Univ., Urbana, IL, USA
Abstract :
The authors (1998), proposed an analysis-based nonlinear controller design procedure that has the ability to address unstable zero dynamics, unmeasured states, disturbances, and measurement noise. Here this procedure is applied to a pH neutralization process which was selected for its significant nonlinearity and relative simplicity. pH controllers are designed that optimize the desired closed loop speed of response while satisfying robust stability or disturbance suppression constraints
Keywords :
closed loop systems; control nonlinearities; control system synthesis; nonlinear control systems; optimal control; pH control; process control; robust control; analysis-based nonlinear controller design procedure; closed loop speed of response; disturbance suppression constraints; disturbances; measurement noise; pH neutralization process; robust nonlinear control; robust stability; unmeasured states; unstable zero dynamics; Asymptotic stability; Control nonlinearities; Design optimization; Noise measurement; Noise robustness; Nonlinear systems; Performance analysis; Robust control; Stability analysis; Sufficient conditions;
Conference_Titel :
American Control Conference, 1999. Proceedings of the 1999
Conference_Location :
San Diego, CA
Print_ISBN :
0-7803-4990-3
DOI :
10.1109/ACC.1999.782752
