# IC6501 Control Systems | Important Questions | Question bank | Syllabus | Model and Previous Question papers | Download PDF

## IC6501 Control Systems

Subject Information :

University        :  Anna University
Department     : B.E. ELECTRICAL AND ELECTRONICS ENGINEERING
Semester          : 05 th sem
Year                  : 03 rd year
Regulation       : R2013
Subject Code   : IC6501
Subject Name  : Control Systems

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IC6501 Control Systems | Important  Questions

### IC6501 CONTROL SYSTEMS – SYLLABUS – R- 2013

OBJECTIVES:

 To understand the use of transfer function models for analysis physical systems and introduce the
control system components.
 To provide adequate knowledge in the time response of systems and steady state error analysis.
 To accord basic knowledge in obtaining the open loop and closed–loop frequency responses of
systems.
 To introduce stability analysis and design of compensators
 To introduce state variable representation of physical systems and study the effect of state
feedback

UNIT I SYSTEMS AND THEIR REPRESENTATION

Basic elements in control systems – Open and closed loop systems – Electrical analogy of
mechanical and thermal systems – Transfer function – Synchros – AC and DC servomotors – Block
diagram reduction techniques – Signal flow graphs.

UNIT II TIME RESPONSE

Time response – Time domain specifications – Types of test input – I and II order system response – Error coefficients – Generalized error series – Steady state error – Root locus construction- Effects of
P, PI, PID modes of feedback control –Time response analysis.

UNIT III FREQUENCY RESPONSE

Frequency response – Bode plot – Polar plot – Determination of closed loop response from open loop
response – Correlation between frequency domain and time domain specifications- Effect of Lag, lead
and lag-lead compensation on frequency response- Analysis.

UNIT IV STABILITY AND COMPENSATOR DESIGN

Characteristics equation – Routh Hurwitz criterion – Nyquist stability criterion- Performance criteria – Lag, lead and lag-lead networks – Lag/Lead compensator design using bode plots.

UNIT V STATE VARIABLE ANALYSIS

Concept of state variables – State models for linear and time invariant Systems – Solution of state

and output equation in controllable canonical form – Concepts of controllability and observability – Effect of state feedback.

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