Present project is designed using 8051 microcontroller to avoid railway accidents happening at unattended railway gates, if implemented in spirit. This project utilizes two powerful IR transmitters and two receivers; one pair of transmitter and receiver is fixed at up side (from where the train comes) at a level higher than a human being in exact alignment and similarly the other pair is fixed at down side of the train direction. Sensor activation time is so adjusted by calculating the time taken at a certain speed to cross at least one compart ....etc

[:=Read Full Message Here=:]

By

VARUN K R
DEPARTMENT OF MECHANICAL ENGINEERING
CITY ENGINEERING COLLEGE



ABSTRACT

A differential is an important component which has a rack and a pinion, which allows the automobile to take turn by transmitting the power equally on both sides. Otherwise the tendency of the inner wheel taking a turn will have a slower rotation and the outer wheel should rotate faster. Differential actually helps the inner wheel to rotate at slow pace and the other wheel at a fa ....etc

[:=Read Full Message Here=:]

FOUR WHEEL STEERING SYSTEM
ABSTRACT
This paper deals with the details of four wheel steering (4WS) system. With the help of this system all the four wheels can be turned to any direction using the steering. Thus the vehicle can be controlled more effectively especially during cornering and parking. Also the speed of the vehicle can be increased or decreased.
There are three types of production of four-wheel ¬steering systems:
1. Mechanical 4WS
2. Hydraulic 4WS
3. Electro/hydraulic 4W ....etc

[:=Read Full Message Here=:]

Introduction to ATC
An automatic transmission system used in automobiles which adapts to:
The Difference
Electronically Controlled Automatic Transmission
Adaptive Transmission Control
Recognition Elements
Driver-Type Recognition
Environmental Recognition
Driving-Situation Recognition


Driver-Type Recognition
Tracks how the driver has been “behaving” over the past few seconds
Environmental Recognition
Detects any increase in driving resistance like climbing or descending a mountain or decrease i ....etc

[:=Read Full Message Here=:]

ABSTRACT

In automotive mechanics, a Differential is an arrangement of gears that transmits power from the engine to a pair of driving wheels, dividing the force equally between them but permitting them to follow paths of different lengths, as when turning a corner or traversing an uneven road. The differential allows the driven wheels to rotate at the same speed while on a straight road; it allows the outer wheel to rotate faster (proportionately) than the inner wheel, while taking a curve or traveling ....etc

[:=Read Full Message Here=:]

ABSTRACT

Optical current sensors are achieving increased acceptance and use in high voltage substations due to their superior accuracy, bandwidth, dynamic range and inherent isolation. Once deemed specialized devices intended for novel applications, optical sensors have risen to a performance level exceeding conventional magnetic devices. A specific area where optical current sensors outperform conventional iron core transformers is the measurement of very high currents that occur during a fault on the power system. Conventiona ....etc

[:=Read Full Message Here=:]

ABSTRACT
Antimatter is exactly what you might think it is -- the opposite of normal matter, of which the majority of our universe is made. Until just recently, the presence of antimatter in our universe was considered to be only theoretical. In 1928, British physicist Paul A.M. Dirac revised Einstein's famous equation E=mc2. Dirac said that Einstein didn't consider that the m in the equation -- mass -- could have negative properties as well as positive. Dirac's equation (E = + or - mc2) allowed for t ....etc

[:=Read Full Message Here=:]

SYNOPSIS
Helicopter is one of the earliest ideas for achieving flight. The advances in helicopter technology made it an extreme flying machine. In this seminar I discuss the historical backgrounds and early concepts of helicopter, then introducing the aerodynamic theory and principle behind helicopters, discussing the most potent mechanisms that are used in it. Also different configurations of helicopters have been described. Then discussing the first analytical theory to consider for a helicopter in for ....etc

[:=Read Full Message Here=:]

Abstract

An electromagnetic generator without moving
parts includes a permanent magnet and a magnetic core including first
and second magnetic paths. A first input coil and a first output coil
extend around portions of the first magnetic path, while a second input
coil and a second output coil extend around portions of the second
magnetic path. The input coils are alternatively pulsed to provide
induced current pulses in the output coils. Driving electrical current
through each of the input coils reduces a level of flux from the
per ....etc

[:=Read Full Message Here=:]

FOUR WHEEL STEERING SYSTEM
ABSTRACT
This paper deals with the details of four wheel steering (4WS) system. With the help of this system all the four wheels can be turned to any direction using the steering. Thus the vehicle can be controlled more effectively especially during cornering and parking. Also the speed of the vehicle can be increased or decreased.
There are three types of production of four-wheel ¬steering systems:
1. Mechanical 4WS
2. Hydraulic 4WS
3. Electro/hydraulic 4WS
The mechanical 4WS uses two separate s ....etc

[:=Read Full Message Here=:]