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1 Oct 25, 2017
HARMONIC DISTORTION MINIMIZATION BY USING FUZZY AND PID CONTROLLED ACTIVE POWER FILTER

Supply power can be distorted due to abnormal operation of the system of due to vary of load asymmetrically. When power supply disturbed an unwanted flicking in voltage and induced of harmonics in the line. These issues affect the efficiency as well as life of the consumer’s instruments. For the minimization of the effect of total harmonic distortion needs some effective devices, which are capable to nullify the effect of harmonics under varying load condition. Here proposed controlled active filters for the controlling of total harmonic distortion. Switching of this active filter can be controlled by PI controller. Comparative results with PI controller and without PI controller are obtained and result shows that PI controller improve the results....

Authors: Pankaj Agnihotri, Manish Awasthi, A.B.Sarkar.

2 Oct 25, 2017
LINK LETDOW DETECTION AND IMPROVING RELIABILITY IN WIRELESS SENSOR NETWORK

The main objectives are design of WSN low node cost, small node size, low power consumption, scalability, self configurability, better channel utilization, fault tolerance, adaptability, Qos support and security. Nodes in WSNs are disposed tolet down due to hardware letdown, energy reduction, communication link faults, mischievous attack, and so on. The main objective of the proposed work is to detect damaged link from WSN, determine route for protected data transmission and improve the performance and reliability of network....

Authors: Harpreet Kaur, Sumit Saghwan, Gurpreet Singh.

3 Oct 25, 2017
Structure of Strongly Pure - Projective Module

In this paper we investigate the structure of strongly pure syzgy modules in a strongly pure projective resolution of any right R- module over an association ring R with identity element. We show that a right R- module M is strongly Pure projective if any only if there exists an integer in = O and a strongly pure exact sequence O ? MJ ? Pn ? Pn-1 ............ PO ? MJ ? O with strongly pure- projective modules Pn' Pn-1 ............, PO. As a consequence we get the following version of a result in Benson and Goodearl 200: A strongly that module MJ is projective if MJ admits an exact sequence O ? MJ ? Fn ? Fn-1............. ? FO ? MJ ? O with Projective module Fn' Fn- 1'..............Fo....

Authors: Sneha Joshi, M.R.Aloney.

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