Recent Trends in Electronics & Communication Systems (RTECS) STM JOURNALS Scientific Technical Medical www.stmjournals.com eISSN 2393-8757 Millifluidic Chips & Devices Lab on a Chip Solutions for Chemistry, Catalysis and Nanotechnologies Millifluidic Devices Applications Ÿ Single Channel Digital Millifluidic Device Ÿ Digital Millifluidic Device for Flow Focusing / Microdroplet Generation Ÿ Double Channel Digital Millifluidic Device Ÿ Multi-Channel Digital Millifluidic Device ü College & Research students can carry out Ø Controlled synthesis of chemicals & nanomaterials Ø Continuous flow catalysis Ø Understanding reaction mechanisms & kinetics ü High school students can learn about Ø Experimentally and computationally physics and chemistry of fluids in small volume Ø Lab on a chip device for STEM Learning Ÿ Use for combinatorial synthesis & field applications Ÿ Digitally operated and computer controlled flow control and setting Ÿ Suitable for a variety of water-based reactions Ÿ Ready-to-use in situ time resolved probe for reactions for applications in chemistry, catalysis and nanotechnology Ÿ Millifluidica devices can be integrated with even a synchrotron beam lines or any spectroscopy technique. Ÿ A hand-held device equipped with pumps, a flow controller, a manifold and millifluidic chip Ÿ Simultaneously carry out four different operations on four different channels Ÿ Capture video and images of the fluid dynamics within the different channels Ÿ Flow rates from 0.2 to 3.0 ml/min Properties & Use Millifluidic Chips Education & Research For Synthesis of nanomaterials & chemicals In situ time resolved analysis, catalysis and cell culture & analysis Polymeric Millifluidic Chips – Specialty Polymeric Millifluidic Chips – Generic Hydrodynamic & snake mixer Hydrophilic/Hydrophobic Property Use Chairman/Directors/Principal/ Researchers can contact for catalogue & more information at below mention details: Reinste Nano Ventures Pvt. Ltd Email: [email protected]www.reinste.com/millifluidics Tel No: 0120- 4781-216, 230, 212 M: 09810662669 Millifluidica STEM Science Technology Engineering Mathematics September - December 2014
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Recent Trends in Electronics &
Communication Systems(RTECS)
STM JOURNALSScientific Technical Medical
www.stmjournals.com
eISSN 2393-8757Millifluidic Chips & Devices
Lab on a Chip
Solutions for Chemistry, Catalysis and Nanotechnologies
Millifluidic Devices
Applications
Ÿ Single Channel Digital Millifluidic Device
Ÿ Digital Millifluidic Device for Flow
Focusing / Microdroplet Generation
Ÿ Double Channel Digital Millifluidic Device
Ÿ Multi-Channel Digital Millifluidic Device
ü College & Research students can carry out
Ø Controlled synthesis of chemicals & nanomaterials
Ø Continuous flow catalysis
Ø Understanding reaction mechanisms & kinetics
ü High school students can learn about
Ø Experimentally and computationally physics and chemistry of fluids in small volume
Ø Lab on a chip device for STEM Learning
Ÿ Use for combinatorial synthesis & field applications
Ÿ Digitally operated and computer controlled flow control and setting
Ÿ Suitable for a variety of water-based reactions
Ÿ Ready-to-use in situ time resolved probe for reactions for applications in
chemistry, catalysis and nanotechnology
Ÿ Millifluidica devices can be integrated with even a synchrotron beam lines or
any spectroscopy technique.
Ÿ A hand-held device equipped with pumps,
a flow controller, a manifold and millifluidic chip
Ÿ Simultaneously carry out four different operations on
four different channels
Ÿ Capture video and images of the fluid dynamics within
the different channels
Ÿ Flow rates from 0.2 to 3.0 ml/min
Properties & Use
Millifluidic Chips
Education & Research
For
Synthesis of nanomaterials & chemicals
In situ time resolved analysis, catalysis
and cell culture & analysis
Polymeric Millifluidic Chips – Specialty
Polymeric Millifluidic Chips – Generic
Hydrodynamic & snake mixer
Hydrophilic/Hydrophobic
Property
Use
Chairman/Directors/Principal/ Researchers can contact for catalogue & more information at below mention details:
Usha Sandeep MehtaInstitute of Technology (EC-VLSI Design),
Nirma University, India.
Rajib KarDepartment of Electronics &
Communication Engineering, NIT Durgapur,
West Bengal, India.
I take the privilege to present the print version for the [Volume 1 Issue (3)] of Recent Trends in
Electronics and Communication Systems. The intension of RTECS is to create an atmosphere that
stimulates creativeness, research and growth in the area of in Electronics and Communication
Systems.
The development and growth of the mankind is the consequence of brilliant Research done by
eminent Scientists and Engineers in every field. RTECS provides an outlet for Research findings and
reviews in areas of Electronics and Communication 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 Electronics and Communication.
Finally, I would like to thank Editors and 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 board for providing write ups, reviewing and providing constructive comments for the
advancement of the journals. With their 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. A Fuzzy Theory-Based Control of a Chopper-Controlled Converter DC Machine Drive Sona Chahal, Sandhya Gupta, Sakshi Jindal, Pallavi Saxena, Yashi Vashishtha 1
2. Digital Communication Receiver CMOS Chip Design Shipra Suman 16
3. Satellite Tracking with Orbitron SoftwareDurgesh Baraithya, Madhav Singh 22
ContentsRecent Trends in Electronics & Communication Systems
Recent Trends in Electronics & Communication Systems ISSN: 2393-8757 (online)
Volume 1, Issue 3
www.stmjournals.com
A Fuzzy Theory-Based Control of a Chopper-Controlled
Converter DC Machine Drive
Sona Chahal*, Sandhya Gupta, Sakshi Jindal, Pallavi Saxena, Yashi Vashishtha Department of Electrical and Electronics Engineering, Lord Krishna College of Engineering,
Ghaziabad, Uttar Pradesh, India
Abstract A fuzzy controller is designed for closed loop control of Chopper controlled generator load coupled separately excited DC motor and presented in this paper. This system has
been designed to have two loops with an inner fuzzy current controller and an outer fuzzy
speed controller. A linear model of closed loop system is developed by using small perturbation technique including the effect of generator load, the armature reaction and
the chopper commutation time. A trapezoidal method is used to estimate the chopper
commutation time. The transient responses of the system are obtained by using the matlab simulation. The performance in respect of voltage variation or load variation and speed
change has been obtained. The performance of the proposed controller is compared with the classical control results and found that the fuzzy-based Chopper controlled generator
load coupled separately excited DC motor has better results.
Keywords: conjunction, disjunction, fuzzification, defuzzification, electric motor
Recent Trends in Electronics & Communication Systems ISSN: 2393-8757 (online)
Volume 1, Issue 3
www.stmjournals.com
Digital Communication Receiver CMOS Chip Design
Shipra Suman* VLSI Designing, Banasthali Vidyapeeth, Rajasthan, India
Abstract RF receivers are such electronic devices that discrete radio signals from one another and
transform specific signals into respective audio, video, or data formats. It uses an antenna to receive transmitted radio signals and a tuner to separate a specific signal
from all of the other signals that the antenna receives. Detectors or demodulators at that moment extract information that was programmed formerly to transmission. There are
numerous customs to decode or modulate information.
Keywords: CMOS, amplitude modulation (AM), frequency modulation (FM),
Recent Trends in Electronics & Communication Systems ISSN: 2393-8757 (online)
Volume 1, Issue 3
www.stmjournals.com
Satellite Tracking with Orbitron Software
Durgesh Baraithya*, Madhav Singh Electronics Engineering Department, Madhav Institute of Technology & Science, Gwalior, India
Abstract Satellite communication is used for telecommunications to make link globally. Satellite
tracking is used to find out the position of satellite or its orbits. With the help of tracking software like orbitron it is easy to track. In this paper we will discuss satellite tracking
with software which will help us to know about of satellite’s position for given moment and also about its orbital parameters. Today, several satellite-tracking programs are
available in shareware or for purchase, as well as in a variety of different computer
formats like orbitron software.
Keywords: tracking, very high frequency, ultra high frequency, orbitron, VO-52