Chemical Engineering - Process Control and Instrumentation - Discussion
Discussion Forum : Process Control and Instrumentation - Section 1 (Q.No. 8)
8.
A negative gain margin expressed in decibels means a/an __________ system.
Discussion:
2 comments Page 1 of 1.
Hemanth said:
1 decade ago
According to bode stability criteria the gain margin value has to be should not be a negative value and it should be greater than.
Abdul wahid said:
4 years ago
AR=1/gain margin.
AR<1 stable,so negative GM unstable system.
AR<1 stable,so negative GM unstable system.
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