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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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
suggestions in the form of authoring. I express my sincere gratitude and thanks to our Editorial/
Reviewer board for 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. 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.
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