Recent Trends in Sensor Research &

Technology

May - August 2014 eISSN 2393-8765

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Recent Trends in Sensor Research & Technology

eISSN: 2393-8765

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Industrial Tribology Machine Dynamics & Maintenance

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Aashish ShahSenior Scientist, Process Research and Development Kulicke and Soffa Fort, Washington United States of America.

Cheng LuoProfessor, Mechanical and Aerospace Engineering, University of Texas at

Arlington. United States of America.

Chetan J PanchalApplied Physics Department, Faculty of

Technology and Engineering, The Maharaj Sayaji Rao University, India.

Girish M GoudaLaboratory for Electro-Optics Systems

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for Electronics Technology (C-MET) (Under Department ofInformation Technology ,Govt.Of India), India.

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Republic of Korea.

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Neemrana, Rajasthan, India.

Santosh KulkarniICT for Energy Efficiency, Microsystems

Center, Tyndall National Institute, University College Cork, Ireland, Ireland.

I take the privilege to present the print version for the [Volume 1 Issue (2)] of Recent Trends in

Sensor Research and Technology. The intension of RTSRT is to create an atmosphere that stimulates

creativeness, research and growth in the area of Sensor Research and Technology.

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

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

reviews in areas of Sensor Research and Technology 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 Sensor Research and Technology.

Finally,I would like to thank Authors for their continued support and invaluable contributions and

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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. Realization of Potassium Chloride Sensor Using 2D Photonic Crystal Structure G. Palai 1

2. Development of a DSP Prototype on QPSK Modulator and Demodulator using Code Composer Studio for Radio Communication Systems Magrabi S. A. R. 7

3. Wireless Tilt Measurement SystemMaulik Vala, Divya Gajera, Tigmanshu Patel, Manish Thakker 16

4. Design and Simulation of MEMS-based Piezoelectric AccelerometerAarti Arora, Anil Arora, Himanshu Monga 23

ContentsRecent Trends in Sensor Research & Technology

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

Recent Trends in Sensor Research & Technology ISSN: 2393-8765 (online)

Volume 1, Issue 2

www.stmjournals.com

Realization of Potassium Chloride Sensor Using 2D

Photonic Crystal Structure

G. Palai* Gandhi Institute for Technological Advancement (GITA), Bhubaneswar, Orissa, India-752054

Abstract In the present study, the concentration of potassium chloride in their aqueous solution is

investigated using optical sensor. Optical sensor is realized by 2D photonic crystal

structure (PCS), which is made up of silicon materials (background/substrate) consisting of 8×8 air holes containing aqueous potassium chloride solution. The principle of

measurement is based on logarithmic variation of photonic band gap (PBG) with respect

to different concentrations of potassium chloride. The PBG is found by using PWE method. An experimental set up is designed to measure the output voltages with respect to

same concentrations of potassium chloride. Simulation result revealed that the potential measured at photo-detector varies logarithmically with respect to potassium chloride

concentration leading to an accurate measurement of potassium chloride concentration

in aqueous solution. It was concluded that both PBG of PCS and potential at photo-detector varies logarithmically with respect to potassium chloride concentration.

Keywords: photonic crystal structure, photonic band gap, plane wave expansion,

potassium chloride

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

Recent Trends in Sensor Research & Technology ISSN: 2393-8765 (online)

Volume 1, Issue 2

www.stmjournals.com

Development of a DSP Prototype on QPSK Modulator and

Demodulator using Code Composer Studio for Radio

Communication Systems

Magrabi S. A. R.* Department of Electrical and Electronics Engineering, GIET, Moinabad, Hyderabad, India

Abstract As day by day there is increase in mobile telephone users, the bandwidth requirement for

each user is mutually increasing. Due to this there is spectral congestion caused and drastic improvements have been taken in the field of mobile communications. Numerous

approaches are taken to minimize the bandwidth requirement of each user. One such approach is called as quadrature phase shift keying (QPSK) technique for mobile and

satellite applications. QPSK modulation provides a better solution to problems faced in

mobile communication systems. The bandwidth restrictions in microcellular networks can be overcome by this approach. This project is experimentally carried out in the

generation, implementation and testing of QPSK using the principle of digital signal

processing (DSP) with the aid of DSP TMS320C6713. The QPSK modulator and demodulator is generated using code composer studio (CCS), an integrated development

environment (IDE) by writing program in c-language. The experimental results are shown in this paper. The various results such as modulation, demodulation and testing

for above-mentioned digital modulations were shown and compared performance wise.

Keywords: QPSK, IDE, CCS, DSP, ADC, DAC, MATLAB, CCS, TMS320C6713

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

Recent Trends in Sensor Research & Technology ISSN: 2393-8765 (online)

Volume 1, Issue 2

www.stmjournals.com

Wireless Tilt Measurement System

Maulik Vala1, Divya Gajera

1, Tigmanshu Patel

2, Manish Thakker

3

1Department of Instrumentation & Control Engineering, Dharmsinh Desai University, Gujarat, India

2DDU-Bosch Rexroth Center of Excellence in Automation Technologies, Dharmsinh Desai

University, Gujarat, India 3Shah Schulman Center for Surface Science and Nanotechnology, Dharmsinh Desai University,

Gujarat, India

Abstract Tilt is an important parameter in many areas like biomedical applications, Wind Power generation, Boom angle monitoring for Crane etc. Imbalance may occur in a system if it

is tilted more than a certain limit which may result into economical, equipment damage and sometime risks to life of an individual. Tilt information can also be used for efficiency

improvement and optimization of mechanical systems. This paper proposes the design of

wireless tilt angle measurement based on tri-axial accelerometer using RF for Wireless transmission. Measurement of Pitch, Roll and Yaw (or slip) is interpreted from

acceleration outputs since the sensor is capable of measuring static acceleration due to

gravity and dynamic acceleration caused by shock/vibration. The fundamental design of wireless tilt measurement is presented with help of sensors, Atmel AVR development

board and Virtual Instrumentation platform. The data from tri-axial accelerometer is acquired by embedded system which transmits data serially to the RF module. The RF

receiver will display the data locally on the LCD screen along with a graphic display on

the virtual instrument developed in LabVIEW.

Keywords: Tilt measurement, Accelerometer, Arduino Development Board,

RF module

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

Recent Trends in Sensor Research & Technology ISSN: 2393-8765 (online)

Volume 1, Issue 2

www.stmjournals.com

Design and Simulation of MEMS-based

Piezoelectric Accelerometer

Aarti Arora1*, Anil Arora

2, Himanshu Monga

1

1Baddi University of Emerging Science & Technology, Baddi (H.P.), India

2Thapar University, Patiala, Punjab, India

Abstract In this work, the modelling and design of a Micro Electro Mechanical Systems (MEMS)

uniaxial accelerometer has been presented. The design of the sensor includes sensing

acceleration in the x-direction only. The device achieves this function using a proof mass

suspended through four spring structure. The device dimensions are finalized

mathematically and the simulated using Finite Element Analysis. The structure is simulated with and without piezoelectric material ZnO and a comparison is made

between the devices. The device was designed for 1 KHz frequency and 20 g acceleration.

Keywords: MEMS, accelerometer, ZnO, finite element analysis.