Instrumentation & Control, Slides of Electronic Measurement and Instrumentation

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2

Dr. Naseer Ahmad

Education:

FSc Govt College Lahore (1994 - 1995)

BSc Mechanical Engg UET Lahore (1996 - 2000)

MSc Mechatronics Engg UET Lahore (2001 – 2004)

PhD Mechanical Engg KFUPM Saudi Arabia (2010 – 2014)

▪ Subjects Taught:

▪ Instrumentation and control

▪ Mechatronics System Design

▪ Control Systems

▪ Engineering Dynamics

▪ Engineering Statics

Work Experience:

Lecturer Mech Dept UET (2000-2004)

Assistant Prof Mech Dept UET (2004-2006)

Assistant Prof Mechatronics Dept UET (2006-2010)

Assistant Prof Mech Dept UET (20015-to date)

▪ Instrumentation

▪ Introduction to control systems (open loop and close loops)

▪ Identification of process/actuator/controller and measurement in

control systems

▪ Need of instrumentation in control systems

▪ Sensors and transducers for mechanical measurements (stress, strain,

temperature, pressure, flow and level etc.)

▪ Control Systems

▪ Block diagrams and signal flow graphs (SFGs)

▪ Modeling of dynamics systems

▪ Time domain analysis of control systems

▪ Design of control system using different controllers.

▪ Control system case studies

Quiz 1

Mid Exam

Quiz 2

Final Exam

Chronology

Text Books:

Mechanical measurement by Thomas G. Bechwith, Roy D.

Marangone and J.H.Linhard, 6th edition, Pearson.

Automatic Control Systems by Farid Golnaraghi and B.C Kuo, 9th

edition, John Wiley & Sons.

Reference Books:

Modern Control Systems by Richard C. Dorf and Robert H. Bishop,

12th edition, Prentice Hall.

System Dynamics by Katsuhiko Ogata, 4th edition, Pearson Prentice

Hall

14

Introduction to Control Systems

Chapter 1

System:

• An interconnection of elements and devices for a

desired purpose.

• An element or device (plant or process) to be controlled

can be represented by a block.

• Identify the Major elements/components/devices in

each system.

Examples:

Process/Plant

/Actuator/Con

vertor

Output

Input

Heater

Bicycle

Motor

Bicycle

Speed Force

Motor

Torque

Electric

Energy

Heater

Heat

Energy

Electric

Energy

Controller Actuator Process/Plant

Switch/Dim

mer

Heater Oven/Furnace

Intention

Desired

Temp

Actual

Temperature

Heat

Energy

Electrical

Signal

Energy Source

/Electrical Energy

An interconnection of systems (controller, actuator and

process/plant) that will provide a desired system response

is known as CONTROL SYSTEM.

Temperature Control System of an Oven

Actuator is Energy

converting system

▪ Electrical Energy

to Heat Energy

Controller is Information

processing system

▪ Desired temp to

electrical signal

Process/Plant is Physical

system

▪ Manipulated form of

energy to

controlled/desired

variable.

17

Controller Actuator Process/Plant

Switch/Dim

mer

Motor Fan Blades

Intention

Desired

Airflow

Actual

Airflow

Mech

Energy

Electrical

Signal

Energy Source

/Electrical Energy

An interconnection of systems (controller, actuator and

process/plant) that will provide a desired system response

is known as CONTROL SYSTEM.

Speed Control System of a Fan

Actuator is Energy

converting system

▪ Electrical Energy

to Mech Energy

Controller is Information

processing system

▪ Desired temp to

electrical signal

Process/Plant is Physical

system

▪ Manipulated form of

energy to

controlled/desired

variable.

Week

nd

Lecture

Controller Actuator Process/Plant

Brain

Rider/

Muscles

Bicycle

Intention

Desired

speed

Actual

Speed

Force

Neuron

Signal

Energy Source

/Heat Energy

Controller is

▪ Information

processing system

Actuator is

▪ Energy converting/processing

system

Process/Plant is

▪ Physical system

An interconnection of systems (controller, actuator and process/plant) that will provide

a desired system response is known as CONTROL SYSTEM.

SPEED CONTROL SYSTEM of BICYCLE