Diagnosis and FTC by Prof. Blanke [pdf] - NTNU
Diagnosis and FTC by Prof. Blanke [pdf] - NTNU
Diagnosis and FTC by Prof. Blanke [pdf] - NTNU
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14<br />
H<strong>and</strong>ling of fault - reconfiguration<br />
• Fault reconfiguration: a sensor failure in inner loop.<br />
• Switch to differentiating control when fault is diagnosed<br />
H<strong>and</strong>ling of sensor fault <strong>by</strong> output<br />
estimation<br />
icom<br />
power<br />
drive<br />
+<br />
Speed control<br />
im<br />
kt<br />
kqη<br />
+<br />
Ql<br />
1<br />
Itot<br />
Fault:<br />
[0.0 1.0]<br />
kobs<br />
∫<br />
-<br />
ˆn<br />
n<br />
1<br />
N ∫<br />
+<br />
+<br />
nm<br />
-<br />
Position control<br />
θm X<br />
+<br />
1<br />
N ∫<br />
gear<br />
kp<br />
ˆ<br />
θ<br />
-<br />
θ<br />
+<br />
Mogens <strong>Blanke</strong> – Spring 2006<br />
θref<br />
Mogens <strong>Blanke</strong> – Spring 2006<br />
7