GE Fanuc Automation - Platforma Internetowa ASTOR
GE Fanuc Automation - Platforma Internetowa ASTOR
GE Fanuc Automation - Platforma Internetowa ASTOR
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Chapter<br />
5<br />
Autotuning<br />
Relay Feedback Method<br />
The process is based on the Relay Feedback method for identifying the dynamic behavior of a controlled<br />
process. The TCM unit applies a sequence of ON/OFF pulses to each tuned channel, so the process<br />
variable oscillates with a specific high/low amplitude and a specific period.<br />
Set Point<br />
Xpeak<br />
T0<br />
1 2 3 4 5 6 7 8 9 0 Phase<br />
GFK-1466 5-1<br />
Xmin1<br />
T1<br />
Xmax1<br />
T2<br />
Xmin2<br />
T3<br />
Xmax2<br />
T4<br />
100% PWM<br />
0% PWM
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