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Ambika S.,Vel Technology Multi Technology Drrangarajan Drsakunthala Engineering College
Measurement: Journal of the International Measurement Confederation | Year: 2016

Magnesium alloy (Mg alloy) is one among the lightest materials and which has wide applications in the production of aircraft engines, airframes, helicopter components, light trucks, automotive parts and computers parts for its attractive properties. In this paper, a study to analyze the turning properties of magnesium alloy AZ91D in dry condition with polycrystalline diamond (PCD) cutting inserts is presented. Firstly, to investigate turning of magnesium alloy using grey relational analysis and TOPSIS of optimum cutting parameter values. Secondly, to determine using response surface analysis of mathematical model depending on cutting parameters of surface roughness and tool flank wear in turning. The adequacy of the developed mathematical model is proved by ANOVA. The findings from the investigation showed that feed rate and cutting speed are the dominant factors for surface roughness and tool flank wear respectively. © 2015 Elsevier Ltd. All rights reserved.


Gowri K.,PSNA College of Engineering and Technology | Arunachalam M.,k-Technology | Rajamani V.,Vel Technology Multi Technology Drrangarajan Drsakunthala Engineering College
Journal of Optoelectronics and Advanced Materials | Year: 2014

This paper deals with the effects of optical radiation of three dimensional nano scale SOI MOSFET with vertical gaussian doping profile including quantum mechanical effects. The model takes into account all the major effects that determine the device characteristics in the illuminated condition. The device characteristics are obtained using self-consistent solution of 3D Poisson-Schrodinger equations using Liebman's iteration method. Calculations are carried out to examine the effect of illumination on the surface potential, electric field, current-voltage characteristics and sub threshold characteristics. The obtained characteristics are used to examine the performance of the device for its suitable use as a photo detector in Opto-Electronic Integrated Circuit (OEIC) receivers.


Bala Saravanan C.,Tamil University | Sugumar R.,Vel Technology Multi Technology Drrangarajan Drsakunthala Engineering College
Journal of Theoretical and Applied Information Technology | Year: 2014

This study suggests and introduces a novel technology in medical informatics and medical data processing. The availability of timely information on side effects of drugs to consumers is considered to be very vital. However, due to various reasons dissemination of this information does not happen in an effective manner. This study aims to provide a solution to this problem by introducing a new bar code technique in the drugs packaging. Presently the bar code used contains product price details only. Through this paper the introduction of drug side effects details in the bar code along with pricing is suggested. This information can be transferred through medical store to the end user. The technology can be implemented and maintained through BCMA.Thus the BCMA creates drug awareness among patients and the bar code technology would impact the flow process as well as distribute the message of care for patients. © 2005 - 2014 JATIT & LLS. All rights reserved.


Carmel Mary Belinda M.J.,Vel Technology Drrr And Drsr Technical University | Carmel Mary Belinda M.J.,Vel Technology Multi Technology Drrangarajan Drsakunthala Engineering College | Kannan E.,Vel Technology Drrr And Drsr Technical University
Life Science Journal | Year: 2013

We present healthiness for energy-efficient MAC Protocol specifically designed for Wireless Human Area Networks. Wireless Human Area Networks consist of HAN protocol prefetched Transceiver and receiver attached to the human body to monitor vital signs such as Human body temperature, activity, pulse rate or heart-rate. The network embraces a master-slave architecture, where the Human body- slave node periodically sends (routing) sensor readings to a central master node(master router). Unlike out dated peer-to-peer wireless human area networks, the nodes in the bio medical Wireless Human Area Networks are not deployed in an ad hoc model. Construction of a network is centrally managed with single-hop communications. To reduce energy consumption, all the HAN nodes and sensor nodes are in standby or sleep mode until the centrally assigned time slot reaches its sneak point(cluster). When the node has joined in a network, there is no likelihood of collision within a cluster, as all of the communication node is initiated via central node and is addressed uniquely to a slave node. To avoid collisions with nearby transmitters, a clear channel (SoC) based assessment algorithm based on standard listen-before-transmit is used. To grip the time slot overlapping, the unique concept of a wakeup fall back time is presented. By means of single-hop communication and centrally controlled sleep/wakeup times leads to significant energy reductions for this application which was compared to more "Reliable" network MAC protocols such as 802.11(wifi) or Zigbee or Wireless Human Area Network. As the duty cycle of this application is reduced, in order to wake the overall (energy) power consumption approaches the standby power.


Priya P.A.,Vel Technology Multi Technology Drrangarajan Drsakunthala Engineering College | Mohammad Abbas A.,Vel Technology Multi Technology Drrangarajan Drsakunthala Engineering College | Kuppusamy P.G.,Vel Technology Multi Technology Drrangarajan Drsakunthala Engineering College
International Journal of Applied Engineering Research | Year: 2015

In this paper, a new ratioed logic style, Dual Cascode Voltage Switch Logic(DCVSL) is presented for high performance and low power VLSI. It feature a built-in short circuit current reduction which increase speed and reduce the power consumption. Level Shifter allow for effective interfacing between voltage domain supplied by different voltage level.The level shifter makeas use of multi threshold design technique thereby providing give more design flexibility, especially in low power system. In this proposed design, level shifter is used for different circuit (i.e) resistor, diode, voltage level shifter and enable/disable feature, allowing for power saving when the level shifter is idle. The level shifter using DCVS has been designed in 180nm CMOS technology using cadence virtuoso. © Research India Publications.


Subalakshmi R.,Vel Technology Multi Technology Drrangarajan Drsakunthala Engineering College | Manikandan C.,Vel Technology Engineering College | Renganathan T.,Vel Technology Engineering College
Journal of Chemical and Pharmaceutical Sciences | Year: 2015

Water plays an indispensable role in our life and it is said that without water there would not be any survival of human being. With this great importance, the conservation and treatment of water becomes necessary in order to use this scarce resource in an efficient manner. The water gets polluted due to the presence and actions of various inorganic and organic substances and waste water treatment is a good practice to reuse the sewage water for different purposes especially for Irrigation in Agriculture. In that, Reed Bed System is an economically viable technology to treat the sewage using subsurface flow technique.


Sharmila P.,Vel Technology Multi Technology Drrangarajan Drsakunthala Engineering College | Pavithra S.,Vel Technology Multi Technology Drrangarajan Drsakunthala Engineering College | Jenila Rachel J.,Vel Technology Multi Technology Drrangarajan Drsakunthala Engineering College
International Journal of Applied Engineering Research | Year: 2014

BSN demands extremely high resource constraints as the heavy weight schemes are not preferred. For the purpose of security, making use of existing information to a BSN is found to be an attractive resolution. In this paper we verified the feature of randomness of 256 – bit binary sequences. The binary sequences are obtained from inter-pulse intervals of 30 subjects who are healthy enough but suffered with myo cardiac infarction and 54 subjects with some other cardio diseases. The time of encoding a binary sequence on a BSN node is about 25ms on an average and occupies 204bytes memory. These binary sequences can be employed as encryption keys which avoids the problem of key distribution over BSN. © 2014 Research India Publications.


Neethu B.S.,Vel Technology Multi Technology Drrangarajan Drsakunthala Engineering College | Ruban Thomas D.,Vel Technology Multi Technology Drrangarajan Drsakunthala Engineering College
International Journal of Applied Engineering Research | Year: 2015

Clock distribution, increasing clock rates, decreasing feature size, excessive power consumption etc are the major limiting factors to synchronous design even though it dominates the current semiconductor design industry. In asynchronous design each component in the system is not governed by a clock signal so we can eliminate the problem of clock skew. NULL Convention Logic is an example of correct-by-construction asynchronous circuits, which have several advantages compared to their synchronous counterparts. Here we design a number of asynchronous circuits such as 1-bit full adder, register and 4-bit up counter by using different techniques in NCL and also incorporates „the proposed grouping algorithm‟ given in [1] and thereby improving and comparing their performance. A 4×4 bus arbiter is then designed entirely in terms of NCL and then compared its performance with its asynchronous counterpart. © Research India Publications.


Lokeshwari V.,Vel Technology Multi Technology Drrangarajan Drsakunthala Engineering College | Vardhan V.,Vel Technology Multi Technology Drrangarajan Drsakunthala Engineering College
International Journal of Applied Engineering Research | Year: 2015

A Modified booth (MB) recoding is used to recode the input values, so that it reduces the partial product, area, critical delay and power consumption. In this work we focus on Sum-Modified booth(S-MB) recoding for operating the Fused Add Multiply (FAM). Using S-MB recoding, the partial product will be reduced more than the modified booth. In FAM, both the addition and booth recoding is done in the same block, so that the area occupation is occur. A carry save adder (CSA) and carry look ahead adder (CLA) is used to operate the partial product, by using in this method we can reduced the run time. © Research India Publications.


Karthika P.S.,Vel Technology Multi Technology Drrangarajan Drsakunthala Engineering College | Mary A.,Vel Technology Multi Technology Drrangarajan Drsakunthala Engineering College | Arunkumar N.,Vel Technology Multi Technology Drrangarajan Drsakunthala Engineering College
International Journal of Applied Engineering Research | Year: 2015

The OTA (Operational Transconductance Amplifier) is a basic building block of analog integrated circuit. It is a combination of differential amplifier with current mirror as load. It is also called as unbuffered amplifier. Here we design a single stage OTA with Wilson current mirror to improve the gain. The circuit has been implemented with Cadence in 180nm technology. This tool is used to analyses the transient response, AC response gain and phase margin. The supply voltage is 1.8v with entire transistors working in saturation region. The gain obtained for the proposed OTA is 50dB. © Research India Publications.

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