(JoADMS)Jan - April 2014

STM JOURNALSScientific Technical Medical

Journal of Control & Instrumentation

ISSN : 2347 - 7237(JoCI)

Jan - April 2014

www.stmjournals.com

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Journal of Control & Instrumentation

(ISSN: 2347-7237)

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Dr. Bimlesh Lochab

Industrial Tribology Machine Dynamics & Maintenance

Engineering Centre (ITMMEC)

Indian Institute of Technology Delhi, India

Prof. S. Ramaprabhu

Alternative Energy Technology Laboratory,

Department of Physics,

Indian Institute of Technology, Chennai, India

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School of Materials Science and Technology,

Institute of Technology, Banaras Hindu University,

Varanasi, India

Dr. Rakesh Kumar

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Applied Chemistry, BIT Mesra,

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Gargi Asha Jha

Nupur Anand

Priyanka Aswal

Sona Chahal

STM Journal (s) Advisory Board

Dr. Ashish RunthalaLecturer, Biological Sciences Group,

Birla Institute of Technology & Science, Pilani Rajasthan, India.

Dr. Baldev RajDistinguished Scientist & Director,

Indira Gandhi Centre for Atomic Research

(ICGAR)Kalpakkam, India.

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Metallurgical and Materials Engineering National Institute of Technology,

Rourkela, India.

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AIIMS, New Delhi, India.

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Pune, India.

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University, Baru Sahib, India.

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Pathology, KLE Society's Institute of Dental Sciences, Bangalore, India.

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Engineering Department, NIT, Rourkela, India.

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Indian Institute of Technology Madras, India.

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Nurture Earth R&D Pvt LtdMIT Campus, Beed bypass road,

Aurangabad, India.

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Department of Applied Chemistry, BIT Mesra, Patna, India.

Dr. Priyavrat TharejaHead, Materials and Metallurgical

Engineering department, PEC University of Technology,

Chandigarh, India.

STM Journal (s) Advisory Board

Editorial Board

Dr. Dipak AdhyaruProfessor and Head, Instrumentation and

Control Engineering Dept., Nirma University,Ahmedabad, Gujarat,

India.

Dr. Bidyadhar SubudhiProfessor-in-Charge, Centre for Industrial Electronics & Robotics, Department of Electrical Engineering National Institute

of Technology, Rourkela, India.

Dr. M V. VaidyanProfessor, Department of Electrical Engineering, National Institute of

Technology Calicut, Kerala , India.

Dr. Ketan PravinchandraAssistant Professor, Department of

Electrical Engineering, Indian Institute of Technology Hyderabad,

Yeddumailaram, Andhra Pradesh, India.

I take the privilege to present the hard copy compilation for the [Volume 5 Issue (1)] of Journal of

Control & Instrumentation. The intension of JoCI is to create an atmosphere that stimulates

creativeness, research and growth in the area of Control & Instrumentation.

The development and growth of the mankind is the consequence of brilliant Research done by

eminent Scientists and Engineers in every field. JoCI provides an outlet for Research findings and

reviews in areas of Control & Instrumentation found to be relevant for National and International

recent developments & research initiative.

The aim and scope of the Journal is to provide an academic medium and an important reference for

the advancement and dissemination of Research results that support high level learning, teaching and

research in the domain of Control & Instrumentation.

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their continued support and invaluable contributions and suggestions in the form of authoring write-

ups/ reviewing and providing constructive comments for the advancement of the journals. With

regards to their due continuous support and co-operation, we have been able to publish quality

Research/Reviews findings for our customers base.

I hope you will enjoy reading this issue and we welcome your feedback on any aspect of the Journal.

Dr. Archana Mehrotra

Director

STM Journals

Director's Desk

STM JOURNALS

1. Application of Virtual Instruments in Data Monitoring & Logging Hardik R. Patel 1

2. Cold Light Source for Endoscopy using AVR Microcontroller Dipesh Shah, Mayur B. Mangaroliya, Ankit M. Patel 5

3. Fuzzy Logic and Energy Model based Speed and Direct Torque Control of SVPWM Inverter Fed Induction MotorMohammad Abdul Mannan, Toshiaki Murata, Junji Tamura 11

4. Automation of Heat Exchanger System using DCSArchana B. Yadav, Dhruv M. Patel 22

ContentsJournal of Control & Instrumentation

JoCI (2014)© STM Journals 2014. All Rights Reserved

Journal of Control & Instrumentation ISSN: 2347-7237

Volume 5, Issue 1

www.stmjournals.com

Application of Virtual Instruments in Data

Monitoring & Logging

Hardik R. Patel*

Instrumentation & Control Engineering Department, SVIT, Vasad, Gujarat, India

Abstract Data Acquisition is the process of real world physical conditions and conversion of the

resulting samples into digital numeric values that can be manipulated by a computer.

This system is used to measure various parameters in the industry such as pressure, temperature of plant, control room temperature, combustible gas level, humidity,

weight of the product, etc. This paper shows a cost effective way to design and develop

LabView based Data Acquisition System. Here, 8051 microcontroller is used as an intermediate controller to scan each channel & send data to LabView via RS-232. The

parameter readings are also stored in Excel file as well as EEPROM for further analysis. Virtual Instruments like LabView, can decrease development time to a great

extent, can be integrated to physical world very easily and is very user friendly.

Keywords: Data Acquisition System (DAS), virtual instruments, labview, EEPROM

JoCI (2014) 5-10 © STM Journals 2014. All Rights Reserved Page 5

Journal of Control & Instrumentation ISSN: 2347-7237

Volume 5, Issue 1

www.stmjournals.com

Cold Light Source for Endoscopy using AVR

Microcontroller

Dipesh Shah*, Mayur B. Mangaroliya, Ankit M. Patel

Instrumentation and Control Department SVIT, Vasad, Gujarat, India

Abstract An endoscopy involves the procedure of examining internal organs of the human body

using endoscope. Presently, during endoscopy halogentype or xenon type light sources

are used. The main drawback of these sources is the heat dissipated by them effects the sensor data. Due to high temperature in the surrounding environment, the video tube

or optical fiber used to transfer data may be damaged. Moreover if the lamp turns off

during operation, one cannot change it immediately because of its high temperature.

Thus the redundancy of the system is less. In order to overcome these limitations the

halogen and the xenon light are replace by LED which is a cold light source. Since the LED is operated on DC source, the driver circuit would replace the bulky transformers

used to operate halogen/xenon lamps. This reduces the weightand cost of the equipment. LED has longer life and it provides the better efficiency compared to the

former devices. It also eliminates the use of cooling fan which is used for heat sinking

purpose. In the proposed instrument, intensity of LED light and its life will be displayed with the use of micro controller.

Keywords: Drive circuit, LED light, light focusing, optical principle, temperature control

and light control using AVR micro controller, data logger

JoCI (2014) 11-21 © STM Journals 2014. All Rights Reserved Page 1

Journal of Control & Instrumentation ISSN: 2347-7237

Volume 5, Issue 1

www.stmjournals.com

Fuzzy Logic and Energy Model based Speed and Direct

Torque Control of SVPWM Inverter Fed Induction Motor

Mohammad Abdul Mannan1*, Toshiaki Murata

2, Junji Tamura

2

1Department of EEE, American International University, Dhaka, Bangladesh

2Department of EEE, Kitami Institute of Technology, Kitami, Hokkaido, Japan

Abstract This paper presents speed and direct torque controllers based on fuzzy logic for a space-vector modulated pulse width modulated inverter fed induction motor. The direct torque

control has been designed by decoupling the torque and flux based on the energy model

of induction motor. The designed direct torque control system can be accomplished by using constant switching frequency with space vector modulated pulse-width modulated

inverter. In order to control the speed of induction motor conventional PI controller has

been used in industrial applications due to its simplicity. Traditional PI controller does not meet the requirement (such as minimize the overshoot, steady-state error, robustness

under the variation of load disturbance and parameters) for high performance induction motor. In this paper two fuzzy logic controllers are developed to control the torque and

speed of an induction motor. The fuzzy logic controllers are designed using the energy

model of induction motor. The drive is simulated successfully using Matlab/Simulink to verify the performance of designed fuzzy-logic controllers. The performance of the drive

has been examined under various working conditions. The simulation results show that

the proposed fuzzy logic controllers work satisfactorily making the drive more suitable

for high performance applications.

Keywords: Direct-torque control, fuzzy logic control, speed control, energy model,

induction motor, space-vector pulse-width modulation

JoCI (2014)© STM Journals 2014. All Rights Reserved

Journal of Control & Instrumentation ISSN: 2347-7237

Volume 5, Issue 1

www.stmjournals.com

Automation of Heat Exchanger System

using DCS

Archana B. Yadav*, Dhruv M. Patel

Instrumentation and Control Engineering Department, Sardar Vallabhbhai Patel Institute

of Technology, Vasad, Gujarat, India

Abstract Heat exchangers are built for efficient transferring heat from one fluid to another. They have an extensive demand in areas such as petroleum, refineries, chemical plants, petro-

chemical plants, natural gas processing, refrigeration, power plants, air conditioning, space heating and process industry. Automation of Heat exchange can be done optimally

using PID Block. Using PID function block the outlet fluid temperature can be maintained

as desired. The automation of Shell and tube type heat exchanger using Distributed Con-trol System (DCS) is represented in this research paper. Automation is done using PID

block in DCS. The input to PID block is measured variable (temperature of Inlet water) and the set point is desired value of the Outlet water temperature. The manipulated vari-

able is the steam flow rate. As per the changes in the process temperature and the settings

of P action, I action and D action, the output of the PID block is calculated and the steam valve opening is varied to maintain the water temperature. The values for proportional

gain, integration time and derivative time are adjusted to optimize process performance.

Keywords: Distributed Control System (DCS), heat exchanger, proportional mode,

integral mode, derivative mode, PID (Proportional Integral Derivative) mode