EE2257 CONTROL SYSTEM LABORATORY Syllabus EEE Fourth(4th) Semester - Anna University B.E. - Regulation 2008


EE2257 CONTROL SYSTEM LABORATORY



1. Determination of transfer function of DC Servomotor
2. Determination of transfer function of AC Servomotor.
3. Analog simulation of Type - 0 and Type – 1 systems
4. Determination of transfer function of DC Generator
5. Determination of transfer function of DC Motor
6. Stability analysis of linear systems
7. DC and AC position control systems
8. Stepper motor control system
9. Digital simulation of first systems
10. Digital simulation of second systems
P = 45 TOTAL :45 PERIODS
43

DETAILED SYLLABUS

1. Determination of Transfer Function Parameters of a DC Servo Motor

Aim
To derive the transfer function of the given D.C Servomotor and experimentally determine the
transfer function parameters
Exercise
1. Derive the transfer function from basic principles for a separately excited DC motor.
2. Determine the armature and field parameters by conducting suitable experiments.
3. Determine the mechanical parameter by conducting suitable experiments.
4. Plot the frequency response.
Equipment
1. DC servo motor : field separately excited – loading facility
– variable voltage source - 1 No
2. Tachometer : 1 No
3. Multimeter : 2 Nos
4. Stop watch : 1 No

2. Determination of Transfer Function Parameters of AC Servo Motor

Aim
To derive the transfer function of the given A.C Servo Motor and experimentally determine
the transfer function parameters
Exercise
1. Derive the transfer function of the AC Servo Motor from basic
Principles.
2. Obtain the D.C gain by operating at rated speed.
3. Determine the time constant (mechanical)
4. Plot the frequency response
Equipment
1. AC Servo Motor : Minimum of 100w – necessary
sources for main winding and
control winding – 1 No
2. Tachometer : 1 No
3. Stopwatch : 1 No
4. Voltmeter : 1 No


3. Analog Simulation Of Type-0 And Type-1 System

Aim
To simulate the time response characteristics of I order and II order, type 0 and type-1
systems.
Exercise
1. Obtain the time response characteristics of type – 0 and type-1, I order and II order
systems mathematically.
2. Simulate practically the time response characteristics using analog rigged up modules.
3. Identify the real time system with similar characteristics.
Equipment
1. Rigged up models of type-0 and type-1 system using analog components.
2. Variable frequency square wave generator and a normal CRO - 1 No
(or)
DC source and storage Oscilloscope - 1 No


4. Determination of Transfer function of DC Generator

Aim
To determine the transfer function of DC generator
Exercise
1. Obtain the transfer function of DC generator by calculating  and gain
Equipment
1. DC Generator
2. Tachometer
3. Various meters
4. Stop watch
5. Determination of Transfer function of DC Motor
Aim
To determine the transfer function of DC motor
Exercise
11. Obtain the transfer function of DC motor by calculating  and gain
Equipment
1. DC Motor
2. Tachometer
3. Various meters
4. Stop watch


6. Stability Analysis of Linear Systems
Aim
To analyse the stability of linear systems using Bode / Root locus / Nyquist plot
Exercise
1. Write a program to obtain the Bode plot / Root locus / Nyquist plot for the given system
2. Access the stability of the given system using the plots obtained
3. Compare the usage of various plots in assessing stability

Equipment
1. System with MATLAB / MATHCAD / equivalent software - 3 user license


7. DC and AC position Control system
AIM
To study the AC and DC position control system and draw the error characteristics between
setpoint and error. Exercise
1. To study various positions and calculate the error between setpoint and output.
position
. 2. To measure outputs at various points (between stages)
Equipment
1. AC and DC position control kit with DC servo motor.
2. Power transistor
3. Adder

8. Stepper Motor Control System
Aim
To study the working of stepper motor
Exercise
1. To verify the working of the stepper motor rotation using microprocessor.
Equipment
1. Stepping motor
2. Microprocessor kit
3. Interfacing card
4. Power supply


9. Digital Simulation of First order System
Aim
To digitally simulate the time response characteristics of first -order system
Exercise
1. Write a program or build the block diagram model using the given
software.
2. Obtain the impulse, step and sinusoidal response characteristics.
3. Identify real time systems with similar characteristics.
Equipment
1. System with MATLAB / MATHCAD (or) equivalent software - minimum 3 user license.

10. Digital Simulation of Second order Systems
Aim
To digitally simulate the time response characteristics of second -order system
Exercise
1. Write a program or build the block diagram model using the given software.
2. Obtain the impulse, step and sinusoidal response characteristics.
3. Identify real time systems with similar characteristics.
Equipment
System with MATLAB / MATHCAD (or) equivalent software - minimum 3 user license.
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