Stability of chemical reactors in the presence of sustained disturbances | Zendy

Seborg Dale E. | Zendy

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Stability of chemical reactors in the presence of sustained disturbances

Author(s) -

Seborg Dale E.

Publication year - 1971

Publication title -

the canadian journal of chemical engineering

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.404

H-Index - 67

eISSN - 1939-019X

pISSN - 0008-4034

DOI - 10.1002/cjce.5450490418

Subject(s) - control theory (sociology) , stability (learning theory) , continuous stirred tank reactor , nonlinear system , magnitude (astronomy) , liapunov function , mathematics , disturbance (geology) , class (philosophy) , function (biology) , computer science , engineering , control (management) , physics , machine learning , chemical engineering , paleontology , quantum mechanics , astronomy , artificial intelligence , evolutionary biology , biology

A general method is developed for constructing regions of practical stability for nonlinear lumped‐parameter systems. The region of practical stability serves as a bound on the system response for a general class of magnitude‐constrained disturbances. The construction method is based on a modified Liapunov approach but is not restricted to a particular type of Liapunov function. The method is applicable to higher order systems in which several disturbance variables are present. Numerical results are presented for a CSTR with magnitude‐constrained disturbances in feed composition and feed temperature.

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