WIRELESS BATTERY CHARGING SYSTEM USING RADIO FREQUENCY ENERGY HARVESTING



INTRODUCTION AND MOTIVATION

Cellular telephone technology became commercially available in the 1980 s. Since then, it has been like a snowball rolling downhill, ever increasing in the number of users and the speed at which the technology advances. When the cellular phone was first implemented, it was enormous in size by today s standards. This reason is two-fold; the battery had to be large, and the circu ....etc

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EMBEDDED BASED RADIO FREQUENCY SPEED CONTROL OF DC MOTOR

The project EMBEDDED BASED RADIO FREQUENCY SPEED CONTROL OF DC
MOTOR is used to varying Speed of The dc motor. It is need a DC to DC converter
is a Circuit Which converts a source of direct current (DC) from one voltage Level to
Another.
Linear regulators output can only in low in low voltage From the Input.
They are very inefficient if the voltage drop is large and the Current high as they
dissipate as heat, a power equal To the product of the output current and the voltage
d ....etc

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Design and Application of Radio Frequency
Identification Systems

Abstract

The recent world, development of effective technologies for linking the object
wireless information is being prompted in various fields. Radio frequency identification
(RFID) is the latest technology for automatic identification which allows the transmission
of a unique serial number wirelessly. The purpose of this paper is to review RFID systems
and its various components infrastructure. The components and features are still under
research and b ....etc

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Radio frequency based real time Child Monitoring and alarm system


INTORDUCTION
Background
The Child Monitoring System is a system which is developed using RF technology to monitor child in a certain area. The system is separated into two parts. This thesis will concentrate more on parent s part while the thesis on child s part will be concentrated by other person. Parents have the master device while the child has the slave device. The master device is sending and recei ....etc

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i wanted ideas for my 4th year projects..m intersted in d field of networkng..cn anyone help by gvng sm gud project ideas? ....etc

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Its a new control algorithm for a matrix converter (MC) induction motor drive system. a new switching strategy, which applies a back-propagation neural network to adjust a pseudo dc bus voltage, to reduce the current harmonics of the induction motor, and a two-degree-of-freedom controller is to improve the system performance. The controller design algorithm can be applied in an adjustable speed control system and a position control system to obtain good transient responses and good load disturbance rejection abilities. The im ....etc

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presented by:
Daniel W. Harrist


Abstract

It seems these days that everyone has a cellular phone. Whether yours is for business purposes or personal use, you need an efficient way of charging the battery in the phone. But, like most people, you probably don t like being tethered to the wall. Imagine a system where your cellular phone battery is always charged. No more worrying about forgetting to charge the battery. Sound Impossible?
It is the focus of this thesis to discuss the first step toward re ....etc

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OPTIMAL ROUTING TO MAXIMIZE THE RESOURCE UTILIZATION
IN WIRELESS SENSOR NETWORKS

GANESAN D (2010614007)
BALAMURUGAN S M (2010614002)
CHEMUDURI VISWANATH (2010614003)
[hr

INTRODUCTIN

Basic operation of sensor networks is to gather the sensed data and transmit it to the base station, for processing or as result to a given query.

They consists of large number of sensor nodes and one or more base stations.

Each node has capability to sense data, process the data and send it to rest of ....etc

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radio frequency transmitter and receiver module



Introduction
In various industries we have to control various processes from various locations. In hazardous area we cannot enter. So on off controlling and logging becomes complicated. To avoid this problem we have to think about wireless technology, i.e. we have to control the device without from remote area.
Our project does the same function. Our project is based on the radio frequency transmitter and receiver modu ....etc

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1. ABSTRACT
RF communications find great applications in our daily. It has got increased priority in security systems, communications, automations etc. The proposed project is a RF based child monitoring system which is practically reliable and easy to install. Radio Frequency based real time Child monitoring and alarm system helps in monitoring the child by the parents. The device monitors the child and produces an alert signal when ever the child passes a certain distance i.e. for instance the system can be des ....etc

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