Abstract

When it comes to public safety and personal safety, it is always desirable to improve upon the way people are warned about potentially dangerous situations and also we require 100 percent perfection in warning method. To date there does not appear to be any railroad collision avoidance system that can effectively warn a person when train is on its track. The conventional railway accident avoiding system uses warning lights and human controlled gates to alert a motorist that there is an oncoming train. The most of the railroad crossing ....etc

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automatic temperature control system using plc ppt ....etc

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fabrication
objective

the project report aims at replacement of the existing roofing
materials by natural fibre composite materials.

to reduce the environmental degradation by using natural
fibre composite materials.

aims at the fabrication of economical and light weight
roofing materials.

problem identification

materials like slate, tiles seems to be heavy and costly.

metals like aluminium, steel, copper, are highly
expensive.

the high thermal conductivity of metals posses a major
problem while roofing.

materi ....etc

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The main purpose of this Digital Temperature Controller is to control the temperature of any device like AC or any other electronic devices whose temperature keeps fluctuating and thus requires a constant watch on the device. The use of this system eliminates constant watching on the device by self controlling the temperature of the system.

Our proposed project consists of digital temperature sensors for more accurate temperature control in various industries. Our system overcomes the disadvantages of thermostat/analog systems in terms of accu ....etc

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AUTOMATIC TEMPERATURE CONTROL IN VACUUM BRAZING FURNACE USING P.L.C

ABSTRACT
The main objective of this project is to maintain & control temperature uniformly of the two zones in vacuum brazing furnace and braze similar or dissimilar components using certain chemicals, for the given specifications of a job
Brazing alloys used for brazing the components of gas turbines and aerospace applications contain nickel as the base material. Nickel has highest affinity for oxygen. Incase if components are brazed using nickel ....etc

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what are disadvantages about using a blast furnace? ....etc

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Vaccum Brake System
The vacuum brake is a braking system employed on trains and introduced
in the mid-1860s. A variant, the automatic vacuum brake system, became
almost universal in British train equipment and in those countries influenced
by British practice. Vacuum brakes also enjoyed a brief period of adoption
in the USA, primarily on narrow gauge railroads. However, its limitations
caused it to be progressively superseded by compressed air systems starting
in the United Kingdom from the 1970s onward. The vacuum brake system is ....etc

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An Improved Nonlinear STATCOM Control for Electric Arc Furnace Voltage Flicker Mitigation
Abstract
Electric arc furnaces (EAFs) are prevalent in the steel industry to melt iron and scrap steel. EAFs frequently cause large amplitude fluctuations of active and reactive power and are the source of significant power-quality (PQ) disturbances. Static synchronous compensators (STATCOMs) provide a power-electronicbased means of embedded control for reactive power support and PQ improvement. This paper introduces a new nonlinear contr ....etc

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to get information about the topic automatic temperature controlled fan circuit full report,ppt and related topic refer the page link bellow
http://seminarsprojects.net/Thread-automatic-temperature-controlled-fan

http://seminarsprojects.net/Thread-automatic-temperature-control-of-vaccum-brazing-furnace-by-using-plc-full-report

http://seminarsprojects.net/Thread-temperature-controlled-fan-project

http://seminarsprojects.net/Thread-fan-speed-control-circuit ....etc

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