The characteristic equation for the control system with a closed loop transfer function $$\frac{{{{\text{G}}_1}}}{{1 + {{\text{G}}_2}}}$$ is given by $$1 + {{\text{G}}_2} = 0$$ The characteristic equation for the control system
A. Depends only upon the open loop transfer function
B. Determines its stability
C. Is the same for set point or load changes
D. All of the above
Answer: Option D
This Question Belongs to Chemical Engineering >> Process Control And Instrumentation
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