What do you mean by hydraulic inertance? Show that hydraulic inertance varies proportionally with length of hydraulic block.
Simplify the block diagram shown in Fig.2(a). Then obtain the closed loop transfer function .

Obtain a state-space representation of the system shown in Fig.2(b).

Consider the characteristic equations Using Routh's stability criterion, determine the range of K for stability.
Compare between modern control theory and conventional control theory.
Consider the block diagram in Figure 2(c). Simplify the diagram and find out .

Two transfer function and are connected in a feedback system where is on the feed forward path and is connected in feedback path.
(i) What should be open-loop transfer function?
(ii) What should be feed forward transfer function?
(iii) Find out the closed-loop transfer function of the system.
Find out the overall transfer function for the control system as shown in Figure 2(b).

Simplify the block diagram as in Figure 2(c) and find out the equivalent transfer function.

Derive an expression of the transfer function for a closed-loop control system.
What is transfer function of a system? Determine the closed-loop transfer function for the block diagram in Figure 2(b).

Using the Mason's gain formula, obtain the overall transfer function of the signal flow graph as shown in Figure 2(c).
