In the introduction to Section 16.4, it is stated that based on a steady-state degrees-of-freedom analysis of
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In the introduction to Section 16.4, it is stated that based on a steady-state degrees-of-freedom analysis of a control system, it is not possible to eliminate offset in the controlled variables for an arbitrary set point change where there are fewer manipulated variables than controlled variables. Using a one-input-two-output linear algebraic model, explain why this statement is true.
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Process Dynamics and Control
ISBN: 978-1119385561
4th edition
Authors: Dale E. Seborg, Thomas F. Edgar, Duncan A. Mellichamp, Francis J. Doyle
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