Dear colleagues,
How can I check the stability by Bode plots of a system has infinity gain cross over frequency and also infinity phase cross over frequency ( No intersection with 0 db line and no intersection with -180 line)?? and what this means??
I am grateful in advance.
a Bode plot is a graph that shows how a system behaves at different frequencies. If a system has an "infinity gain crossover frequency" and an "infinity phase crossover frequency," that means it's not stable.
Think of stability as how much a system can change or grow without getting out of control. If a system has an infinite gain and phase crossover frequency, it means that its growth and change are unlimited. And when you don't see an intersection with the 0 dB line or the -180 degree line, it means the system is really not stable, because it keeps growing and changing without any bounds.
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