Chapter 12
Computer simulation 6. On-line tuning after the control system is installed. 4 Chapter 12 ... for common process models. • As a starting point for the analysis, consider the block diagram ... • In general, increasing produces a more conservative
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Dynamic Behavior and Stability of Closed-Loop Control Systems
sites.chemengr.ucsb.edudirectly follows Example 4.4. Consider the unsteady-state mass balance for the tank contents: ρρρρ12 3(11-32) dh Aqqq dt =+ − Substituting the flow-head relation, q3 = h/R, and introducing deviation variables gives 12 (11-33) dh h Aqq dt R ′ ′ =+−′′ Thus, we obtain the transfer functions ( ) () 2 (11-34) τ 1 p p Hs K Gs Qs s
Control of Multiple-Input, Multiple- Output (MIMO) Processes
sites.chemengr.ucsb.edubut not process dynamics. Chapter 18 19. Example of RGA Analysis: 2 x 2 system • Steady-state process model, The RGA, Λ, is defined as: where the relative gain, λ ... Appropriate for nonlinear processes. () 12 12 11 21 21 22 18 85 18 86 P P P P K T K K. 1 2
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