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Diagnosis and FTC by Prof. Blanke [pdf] - NTNU

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53<br />

54<br />

Example 5.3: controlled tank<br />

?<br />

?<br />

K<br />

G E<br />

D<br />

? $<br />

G<br />

D<br />

O<br />

Structure graph with controller added: c5<br />

Example 5.3: reduction of graph<br />

? !<br />

? "<br />

<br />

D<br />

H<br />

? #<br />

Mogens <strong>Blanke</strong> – Spring 2006<br />

Seperate variables Z into known (K)<br />

<strong>and</strong> unknown (X) variables<br />

Z = K ∪ X.<br />

Separate C into C = Ck ∪Cx.<br />

Delete rows with constraints between known variables<br />

Delete columns with known variables ⇒<br />

Decompose graph (C, Z,E) into<br />

(C ,Q(C )) <strong>and</strong> (C ,Z)<br />

k k x<br />

Mogens <strong>Blanke</strong> – Spring 2006<br />

27

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