Control System — Summer 2021

Define following terms: (1) rise time (2) peak time (3) settling time (4) peak overshoot

Define Transfer function. Find the impulse response of a system whose transfer function is G=1/(S+4)

Draw second order unit step response and explain associated specification terms. Q .2 (a) Find the inverse laplace of s/(s+1)(s+2)(s+6)

Difference between signal flow graph and block diagram representation of system

Find out the overall transfer function using block diagram reduction rule

Using mason’s gain formula find the transfer function of following system

Define 1. Source node, 2. Loop, 3. Sink node

Write Mason’s gain formula and define each term of the formula

Determine the stability using Routh Criterion s4 5s3 20s2 50s40

What is analogous of all variables in mechanical network in force- voltage analogy?

Write a note on steady state error and error constants.

Briefly explain the first order system and its response to unit step input

Find the polar plot of G=1/S

Discuss in state transition matrix and its computational method.1

Draw the Bode plot for G(s) = 10(1+0.5s) / s (1+0.1s) (1+0.2s). Also find phase and gain margin.

What is Mcircle and Ncircles in Nyquist plot

Write the rules for drawing root locus

Aunity feedback system is characterized by open loop transfer function G(s) =K/s(s 10). Determine gain Kso that the system will have a damping ratio of 0.5.

Explain standard test signals

For the system G=25/S2+4S+25, find the natural frequency, damping ratio. Depending on the damping ratio, describe the system

Aunity feedback control system’s open loop transfer function is Using Routh criterion, calculate the range of k for the system to be stable. If the value of k=1, comment on stability.

For the closed loop system G=(S+1)(S+3)/S3(S+1)(S+3), find the following 1. Order, 2. Type, 3. characteristic equation Mention difference between transfer function approach and state space

04 approach.

Derive the state model of RLC circuit.