M3.3. SIMULINK sfun (.mdl Files)
One of the powers of SIMULINK is the ability to construct block diagrams that provide an intuitive approach to simulating feedback-control systems. Often we use linear transfer functions to simulate the behavior of linear systems. A block titled “sfun” can obtained from the “nonlinear” library in SIMULINK and placed in a SIMULINK diagram. When simulations are performed, the equations in the sfun m-file are solved simultaneously with other blocks in the block diagram. The sfun file must be given a name with a '.m' extension, while the block diagram is given a '.mdl' extension.
Example M3.2: Van de Vusse Reaction
The van de Vusse reactor from Example M3.1 is studied here. The block diagram shown in Figure M3-2
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