IC1404 Computer Control of Process Laboratory Syllabus

IC 1404 COMPUTER CONTROL OF PROCESS LABORATORY 0 0 3 100
AIM
To study the concept of controlling the different continuous / discrete process using computers, DCS / PLC.

1. Simulation of first order system and second order with and without dead time using discretization method and Runge – Kutta method
2. Design of Discrete P+I+D controller for a first order system
3. Study of Programmable logic controller.
4. Control of Bottle filling system using PLC.
5. PC based Data Acquisition.
6. Simulation of complex control systems using matlab package.
7. Operation of computer controlled liquid level system.
8. Operation of computer controlled thermal system.
9. Study of distributed control system.
10. Design of dead beat / Dahlin algorithms.

P = 45 Total = 45

Detailed Syllabus

1. Simulation of first order system and second order system with and without dead time using discretization method and Runge – Kutta method

Aim
To simulate a first order system and second order system with and without dead time using discretization method and Runge-Kutta method.

Exercises
1. Write a program in C language for a first order system and second order system with and without dead time using discretization method.
2. Write a program in C language for a first order system and second order system
with and without dead time using Runge – Kutta method.
3. To analyse the responses for various standard forcing functions.

Equipment
1. Computer Pentium (3 or 4) - 1 No

2. Design of Discrete P+I+D controller for a first order system

Aim
To design a discrete P+I+D controller for a first order system

Exercise
1. Write a program in C for position form of control algorithm.
2. Write a program in C for velocity form of control algorithm.
3. Analysis of the responses by implementing the position and velocity form of control algorithms for the first order system.
4. How to select the sampling rate in a digital control loop.

Equipment
1. Pentium Computer (3 or 4) - 1 No

3. Study of Programmable logic controller

Aim
To study the operation of Programmable logic controller.

Exercise
1. Implementation of the AND / OR gate using PLC.
2. Implementation of proportional (P) control system.
3. A program which sounds an alarm when a preset count value is reached.
4. A program sounds an alarm after a time delay.
5. A program which illustrates the use of flags and the flag instructions.

Equipment
1. PLC Unit - 1 No
2. Computer Pentium (3 or 4) - 1 No

4. Control of Bottle filling system using PLC

Aim
To study the control of bottle filling system using PLC

Objectives
1. Instead of achieving the desired control or automation through physical wiring of control devices, in PLC how it is achieved through a program of software.
2. To develop the programming skills for the industrial needs.
3. How to develop an interface between PLC and the bottle filling system.

Exercise
1. To develop the ladder diagram for the bottle filling system.

Equipment
1. Computer Pentium (3 or 4) - 1 No
2. PLC - 1 No
3. Bottle filling system - 1 No

5. PC based Data Acquisition

Aim
To acquire real world signals using Data Acquisition card.

Exercise
Develop a program in C – language to acquire the data and display.

Equipment
1. Data Acquisition card - 1 No
2. Computer Pentium (3 or 4) - 1 No

6. Simulation of complex control systems using MATLAB package

Aim
To study the simulation of complex control systems using MATLAB package.

Objective
To examine the advanced control strategies like cascade control, feed forward plus feedback control, ratio control.

Exercise
1. To simulate cascade control, feed forward – feedback control using MAT LAB.
2. Compare the results of cascade control with conventional control.
3. To simulate a ratio control for a process to maintain a desired ratio.
4. Compare the results of feed forward – feedback with feedback control.

Equipment
1. Computer Pentium (3 or 4) - 1 No
2. MATLAB original licensed version 6.0.

7. Operation of computer controlled liquid level system

Aim
To study the operation of computer controlled liquid level system.

Exercise
1. To study the action of “ON-OFF” control for a level process station.
2. To study the action of proportional, Proportional Integral, Proportional Derivative, Proportional + Derivative+Integral for the level process station.

Equipment
1. Compute Pentium (3 or 4) - 1 No
2. Liquid level control system

8. Operation of computer controlled thermal system

Aim
To study the operation of computer controlled thermal system.

Exercise
1. To study the controller output action over the furnace.
2. To study the action of ON / OFF, Proportional, Proportional + Integral, Proportional +Derivative, Proportional + Derivative + Integral for the thermal system.

Equipment
1. Computer Pentium (3 or 4) - 1 No
2. Thermal system - 1 No

9. Study of distributed control system

Aim
To study the distributed control system

Objectives
1. To get the knowledge of communication interface between the controller and the server, server and the clients and the controller to the I/O units.
2. To know how the I/O connection with the process control station to the DCS I/O units.
3. To know how several LCU’s is used to implement control strategies.
4. To know how the transmission of process data is connected to the high-level system elements (i.e. human interface and computing devices).
5. To know how the high – level element transmits information requests and control commands to the LCU’s.
6. To know how the cost of plant wiring is reduced significantly by the few cables or buses used to implement the shared communication system.
7. To know how the transmission of process variables, controlled variables, alarm status information from the LCU’s to the high – level interfaces and to low level human interfaces in the system.

Exercise
1. Using graphic and text features design different types of operator interaction pages, to suit different process stations available in process control lab.
2. Implement the various control actions like ON-OFF, Proportional, Proportional + Integral, Proportional +Derivative, Proportional + Derivative+Integral on different process stations available in process control lab.
3. Analyse the responses for set point and disturbance changes.

Equipment
1. Computer Pentium (3 or 4) - 1 No
2. DCS - 1 No

10. Design of dead beat / Dahlin algorithms

Aim
To design a dead beat and dahlin algorithm for a first order process.

Objective
To examine a different methodology for designing digital feedback controllers, which makes use of the computational flexibility, offered by a digital computer.

Exercise
1. Design of Deadbeat controller for a first order process and analyse the closed loop response using C language.
2. Design of Dahlin’s controller for a first order process using C language.
3. Analysis of closed loop responses to step changes in set point using deadbeat and Dahlin algorithms.

Equipment
1. Computer Pentium (3or 4) - 1 No
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