Root Locus Technique The root locus technique was introduced by W. R. Evans in 1948. This is a graphical method, in which the movement of poles in the s-plane is…

Routh-Hurwitz Stability criterion The Routh-Hurwitz Stability criterion gives the information on the absolute stability of a system without any necessity to solve for the closed-loop system poles. This method helps…

Concept of Stability Concept of Stability: A system is said to be stable if it does not exhibit large changes in its output for a small change in its input,…

Signal Flow Graph (SFG) The signal flow graph is used to represent the control system graphically and it was developed by S.J. Mason.      A signal flow graph is a diagram…

Control System Control systems play a vital role in our day-to-day life. The notion of an automatic control system is basic and well mixed in every facet of our life.…