Draw and explain block diagram of closed loop control system with suitable example.
[3 marks]Describe the benefits of closed loop system over open loop system.
[4 marks]Derive transfer function of armature controlled dc motor.
[7 marks]Explain standard test signals.
[3 marks]4 Find out inverse Laplace transform for F(s)= . S(S+1)
[4 marks]Draw second order unit step response and explain associated specification terms.
[7 marks]Using mason’s gain formula find the transfer function of following System
[7 marks]Write the force balance equations for an 1) ideal mass 2) ideal spring and 3) ideal dash pot/damper
[3 marks]Discuss the main difference between transfer function approach and state space approach, with appropriate examples.
[4 marks]Using Block Diagram reduction technique, find closed loop transfer function of system shown in figure.
[7 marks]Derive force-voltage analogy, with appropriate equations & diagrams.
[3 marks]Explain any four rules of block diagram reduction.1
[4 marks]Define steady state error. Derive steady state errors for step, ramp, parabolic inputs for type 0 system.
[7 marks]Explain state, state variables and state vector
[3 marks]Write Mason’s gain formula and define each term of the formula
[4 marks]Explain the rules for drawing root locus.
[7 marks]Determine the stability of the system s4+8s3+18s2+16s+5= 0. Comments on the stability.
[3 marks]Find Centroid & Angle of asymptotes of Root Locus for the given system G(s)=
[4 marks]Obtain the mathematical model of a gear train.
[7 marks]Explain gain margin and phase margin
[3 marks]04 Find the polar plot of G(s)=
[ marks]Sketch Bode plot of a unity feedback control system having open loop transfer function as given below G(s)H(s) = . Find GM,PM.
[7 marks]Define terms for the system. 1.Order 2. Type 3. characteristic equation
[3 marks]Explain the Nyquist stability criterion.
[4 marks]Derive the expression for transfer function from the state space representation of the system.
[7 marks]