EI2406 INSTRUMENTATION SYSTEM DESIGN LABORATORY Syllabus - EIE 7th Semester - Anna University


EI2406                            INSTRUMENTATION SYSTEM DESIGN LABORATORY             L T P C
0  0 3 2

OBJECTIVE

To have adequate knowledge in design of various signal conditioning circuits.

1.         Design of Instrumentation amplifier.
2.         Design of active filters.
3.         Design of regulated power supply and design of V/I and I/V converters.
4.         Design of linearizing circuits and cold junction compensation circuit for thermocouples.
5.         Design of signal conditioning circuit for strain gauge and RTD.
6.         Design of orifice plate and rotameter.
7.         Control valve sizing.
8.         Design of PID controller (using operational amplifier and microprocessor)
9.         Piping and Instrumentation Diagram case study.
10.       Preparation of documentation of instrumentation project and project scheduling (process flow sheet, instrument index sheet and instrument specifications sheet, job scheduling, installation procedures and safety regulations).

TOTAL : 45 PERIODS DETAILED SYLLABUS
DESIGN OF INSTRUMENTATION AMPLIFIER

AIM
To design an instrumentation amplifier based on the three operational amplifier configuration with a differential gain of 100.

EXERCISE
1.    Develop the instrumentation amplifier with differential gain of 100 and draw the input Vs output characteristics of the three operational amplifier based  instrumentation amplifier and make a comment on the response.
2.     Compare  the  performance  characteristics  of  Instrumentation  amplifiers  with  commercial
Monolithic Instrumentation amplifier.

EQUIPMENT
1.      Dual power supply            – 1 No
2.      Digital Multimeters             – 1  No
3.      Resistors                            – 10 No
4.      Operational Amplifiers       – 4  No
5.      Any commercial Monolithic Instrumentation amplifie - 2 No
1.         DESIGN OF ACTIVE FILTERS AIM
To design an active first order / second order Butterworth type Low – Pass / High Pass / Band-pass filter with the following specifications.
Low pass filter  : Cut off frequency : 1 KHz
High pass filter :  Cut off frequency  : 1 KHz
Band pass filter :  Cut off frequency     : 1 KHz < fc < 5 KHz

EXERCISE

1.  Develop an active Butterworth first order (or) second order low pass and / or high pass, band pass filter and determine experimentally the frequency response.

EQUIPMENT

1.
Dual power supply
- 1 No
2.
Operational amplifiers
- 2 Nos
3.
Resistors
- 10 Nos
4.
Capacitors
- 10 Nos
5.  Signal generator               - 1 No
6.  C.R.O                               -    No
3.     DESIGN OF REGULATED POWER SUPPLY AND DESIGN OF V/I AND I/V CONVERTERS (a)        AIM:-
To Design a Regulated Power Supply.

EQUIPMENT
1. Diodes IN4007
2.100 µF, 10 µF
3. IC 7805
4. Potentiometer
5. Ammeter and Voltmeter

EXERCISE
LINE REGULATION

1. Varying the Input Voltage (0 -15)V.
2. Note down the output voltage

LOAD REGULATION
1. Connect a variable Potentiometer across the output of the RPS.
2. Vary the potentiometer and note down the corresponding output current and voltage.

(b)    AIM:-

To design a voltage to current converter and a current to voltage converter and      verify the characteristics experimentally.

OBJECTIVES

1.         To design a voltage to current converter (grounded load) with the following specification
Input voltage rang : (0 5) V
Output current range : (4-20) mA  (should be independent of load)
2.         To design a current to voltage converter with the following specification
Input current range     : (4-20) mA Output voltage range  :  (0-5) V

EXERCISE

1.         Determine experimentally the characteristics of voltage and current converter an plot output current versus input voltage and comment on the response.
2.         Determine experimentally the characteristics of current to voltage converter and plot
output voltageVs input current and comment on the response.

EQUIPMENT

1.
Resistors
- 10 No
2.
Operational amplifiers
- 5  No
3.
Transistor (NPN / PNP)
- 2
No
4.
Dual power supply
- 1
No
5.
Digital Multimeters
- 2
No
6.
Loop analyzer
- 1
No

3.  DESIGN OF LINEARIZING CIRCUIT AND COLD-JUNCTION COMPENSATION CIRCUIT FOR THERMOCOUPLE
AIM
To design a cold junction compensation circuit for thermocouple.

OBJECTIVE
To design a automatic reference correction circuit for thermocouple.(A solid state temperature sensor or RTD can be used for the cold function measurement)




EXERCISE

1.        Develop the circuit for reference junction compensation.
2.         Keep the hot junction temperature at say 4000C.
3.         Vary the cold junction temperature from 30 900C and observe the output voltage for with and without cold-junction compensation.
4.         Plot the output voltage versus cold-junction temperature and comment on the
response.
EQUIPMENT

1.
Thermocouple
- 1 Nos
2.
Operational amplifier
- 3 Nos
4.
AD – 590 or RTD
- 1 Nos
5.
Resistors
- 10 Nos
6.
Dual power supply
- 1  No
7.
Multimeters
- 1 No

5.         DESIGN OF SIGNAL CONDITIONING CIRCUIT FOR STRAIN GAUGES AND RTD (a)  Aim:
To design Signal Conditioning Circuit for Strain Gauge. Specification as follows
1. Input Range 0 to 1 Kg
2. Output Voltage 0 to 5 V
3. Device -Bourdon Strain Gauge (350 Ohm)

Equipment
1. Bonded Strain Gauge
2. Loads (100 gm to 1 Kg)
3. Operational Amplifier
4. RPS
5. Resistors
Exercise:
Develop Signal Conditioning Circuits for different loads and plot output voltage versus Load. Comment on Linearity

(b) Aim
To design a signal conditioning circuit to RTD. The specification are as follows
Temperature Range    :  300 C 1000C (Approximately) Output voltage                        :  0 5 V DC
Sensor                          :   RTD  (Pt 100) Current through RTD  Not to exceed 10mA
Equipment

1.         RTD  (Pt 100)                 -  1 No
2.         Resistors                         - ?
3.         Operational amplifiers     - 4 Nos
3.         Dual power supply         - 1 No
4.         Temperature bath          - 1 No
5.         Multimeter                      -  1 No
6.         Trim Pot                         - 3 Nos
Exercise
1.          Develop the signal conditioning circuit and plot the output voltage versus temperature and comment on the linearity.

7. DESIGN OF ORIFICE PLATE AND ROTAMETER Design of Orifice Plate
Aim:
To Design an Orifice Plate for the given Specification.
Equipment
1. Pump and Reservoir
2. Pipeline with Orifice plate
3. Collecting Tank
Exercise:
1. Convert Electrical Signal to Differential Pressure
2. Determine the interval data
3. Calculate D/d
4. Calculate sizing factor
Design of Rotameter
Aim:
To Design a Rotameter for given Specification
Equipment
1. Pump and Reservoir
2. Pipeline with Orifice plate
3. Collecting Tank
Exercise
1. Swithch On the Motor
2. Adjust the Rotameter to read the required flow rate.

3. Start the Timer
4, After 5 Min Note the Head in the tank.
5. Drain the tank.
6. Repeat the Procedure and Calculate Cd in each case

8. Control Valve Sizing
Aim:
To design a Control Valve and Study the flow lift Characteristics
Equipment:
1. Linear Control Valve
2. On/OFF Control Valve
3. Air Regulator
4. Rotameter
5. Pump
Exercise
1. By varying the inlet pressure note down the stem moment value and the flow rate.
2. Draw the Graph for pressure Vs Flow rate, Stem Moment Vs Flow rate

9. Design of PID Controller

Design of PID Controller using Op-Amp
Aim:
1.To the study the response of P,PI,PD ,PID Controllers using Op-Amp
Equipment
1. Signal Generator
2. IC 741
3. Resistors and Capacitors
4. CRO
5. Bread Board
Exercise
1. Design a Analog PID Controller for various values of Kp, Ki, Kd
2. Apply the error Signal from signal Generator (Square, Sine)
3. Note down the response from the CRO.

Design of PID Controller using Microprocessor

Aim:
To the study the response of P, PI, PD ,PID Controllers using Microprocessor.

Equipment
1. Signal Generator
2. Microprocessor based kit with ADC and DAC Section
3. CRO
Exercise:
1. Enter the PID Algorithm in Microprocessor
2. Give the Error Signal to ADC Section of Microprocessor Kit.
3. Execute the Microprocessor Program
4. Note down the output response of PID Controller in the DAC Section
Microprocessor Kit









By Vinoth
Previous
Next Post »