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Problems in pH Control

Autoři: Krejčí Stanislav | Kašpar Jiří

Rok: 2005

Druh publikace: článek ve sborníku

Název zdroje: Proceedings of the 32nd International Conference SSCHE

Název nakladatele: Slovak Technical University Bratislava

Místo vydání: Bratislava

Strana od-do: P028 1-5

Tituly:

Jazyk	Název	Abstrakt	Klíčová slova
cze	Problémy při řízení pH	Industrial manufacturing processes often present many challenging control problems. Among common process characteristics that can cause control difficulties can be listed : - nonlinear dynamic behaviour - multivariable interactions between manipulated and controlled variables - unmeasured state variables - unmeasured and frequent disturbancies - uncertain and time-varying parameters - constraints on manipulated and state variables - deadtimes on inputs and measurements - model uncertainty Neutralization, or generally pH process, belongs to commonly used chemical operations, that exhibits many of the mentioned difficulties. The problems in pH control are caused mainly by two kinds of disturbances - flow rate changes and composition changes.	Neutralization, process control, control strategies
eng	Problems in pH Control	Industrial manufacturing processes often present many challenging control problems. Among common process characteristics that can cause control difficulties can be listed : - nonlinear dynamic behaviour - multivariable interactions between manipulated and controlled variables - unmeasured state variables - unmeasured and frequent disturbancies - uncertain and time-varying parameters - constraints on manipulated and state variables - deadtimes on inputs and measurements - model uncertainty Neutralization, or generally pH process, belongs to commonly used chemical operations, that exhibits many of the mentioned difficulties. The problems in pH control are caused mainly by two kinds of disturbances - flow rate changes and composition changes.	Neutralization, process control, control strategies

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