MATLAB MODEL PREDICTIVE CONTROL TOOLBOX - S Dokumentacja Pobierz pdf (Strona 36)

2 Building Models

2-24

io(1) = linio('CSTR_OpenLoop/Feed Concentration', 1, 'input');

io(2) = linio('CSTR_OpenLoop/Feed Temperature', 1, 'input');

io(3) = linio('CSTR_OpenLoop/Coolant Temperature', 1, 'input');

io(4) = linio('CSTR_OpenLoop/CSTR', 1, 'output');

io(5) = linio('CSTR_OpenLoop/CSTR', 2, 'output');

Linearize Model

Linearize the model using the specified operating point, op1, and input/output signals,

io.

sys = linearize('CSTR_OpenLoop', op1, io)

sys =

a =

C_A T_K

C_A -5 -0.3427

T_K 47.68 2.785

b =

Feed Concent Feed Tempera Coolant Temp

C_A 1 0 0

T_K 0 1 0.3

c =

C_A T_K

CSTR/1 0 1

CSTR/2 1 0

d =

Feed Concent Feed Tempera Coolant Temp

CSTR/1 0 0 0

CSTR/2 0 0 0

Continuous-time state-space model.

Linearization Using Linear Analysis Tool in Simulink Control Design

This example shows how to linearize a Simulink model using the Linear Analysis Tool,

provided by the Simulink Control Design product.

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MATLAB MODEL PREDICTIVE CONTROL TOOLBOX - S Dokumentacja Strona 36