Draw a general block diagram of an automatic control system
[3 marks]What are the merits of frequency response?
[4 marks]What are the signal flow graphs? Define node, transmittance, branch, source node, sink node, path, loop and loop gain with necessary diagrams.
[7 marks]Define Resonant Peak, Resonant Frequency and Gain crossover frequency for frequency response specification.
[4 marks]Explain Poles and Zeros of a Transfer function.
[3 marks]Explain the State space analysis and its advantages.
[7 marks]Write general method steps for drawing root locus with suitable example.
[7 marks]Write down examples of an Open-loop control system and a Closed-loop control system.State their differences.
[7 marks]Explain Hurwitz stability criterion.
[4 marks]Explain the concept of state, state variables and state model.
[7 marks]Define hydraulic system. State the major components of hydraulic system.
[3 marks]What is a Block diagram? Represent a control system by a block diagram.
[4 marks]State Translational mechanical and Rotational mechanical systems with suitable sketches.
[3 marks]Explain two position controllers.
[3 marks]Define the following terms(1) Disturbances (2) Control system
[4 marks]Explain transient response specification of a second order system.
[7 marks]Write down Properties of Signal flow Graph. Page 1 of
[2 marks]Summarize advantages and disadvantages of hydraulic control system.
[4 marks]Explain analysis of first order system and unit step response of first order system.
[7 marks]Enlist the sources of hydraulic power.
[3 marks]Explain linear control system. State the principle of superposition.
[4 marks]Explain Unit ramp response and Unit impulse response of first order system.
[7 marks]Obtain state-space model for spring-mass-damper system.
[3 marks]Define: (1) Command input (2) System (3) Feedback element (4) Control.
[4 marks]Discuss the hydraulic PI controller with neat sketch and necessary transfer function. Page 2 of
[2 marks]