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literature survey of automatic railway gate control


Posted by:
Created at: Wednesday 30th of January 2013 10:25:33 AM
Last Edited Or Replied at :Monday 19th of January 2015 11:41:56 AM
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literature survey of aut..................[:=> Show Contents <=:]



Automatic Railway Gate Control and Track Switching full report


Posted by: project topics
Created at: Friday 23rd of April 2010 12:43:59 PM
Last Edited Or Replied at :Tuesday 23rd of April 2013 07:24:07 AM
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r as Ëœaft side sensorâ„¢. When foreside receiver gets activated, the gate motor is turned on in one direction and the gate is closed and stays closed until the train crosses the gate and reaches aft side sensors. When aft side receiver gets activated motor turns in opposite direction and gate opens and motor stops. Buzzer will immediately sound at the fore side receiver activation and gate will close after 5 seconds, so giving time to drivers to clear gate area in order to avoid trapping between the gates and stop sound after the train has crossed.
The same principle is applied for tra..................[:=> Show Contents <=:]



DESIGN DEVELOPMENT AND FABRICATION OF HYDRAULIC ESCALATOR full report


Posted by: project topics
Created at: Sunday 18th of April 2010 10:24:16 AM
Last Edited Or Replied at :Sunday 29th of January 2012 11:06:42 PM
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e the governor actuates a brake.
This device was originally designed to serve as a check on the working of lifts controlled by an attendant travelling on them. In the newer types, no attendant is necessary in the lift itself, as the result of introducing a semiautomatic means of operation known as landing control. With this system, human control is restricted to closing the gates, after which working, including acceleration and deceleration, is automatic.
The advantages of the method are that it saves the passenger's time, and that a single operator can attend to a number of lifts. At cert..................[:=> Show Contents <=:]



AUTOMATIC RAILWAY CROSSING GATE CONTROLLER


Posted by: sneha challa
Created at: Thursday 08th of April 2010 07:10:55 AM
Last Edited Or Replied at :Friday 13th of February 2015 08:26:16 AM
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w..................[:=> Show Contents <=:]



Automatic Railway Gate Controller using FM Communications full report


Posted by: project topics
Created at: Saturday 03rd of April 2010 01:51:27 PM
Last Edited Or Replied at :Tuesday 29th of March 2011 01:16:15 PM
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l F.M broadcasting stations transmit their signals in the frequency range of 88 megahertz (MHz) The project is designed using F.M COMMUNICATION 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. Sensors are fixed at 1km on both sides of the gate. We call the sensor along ..................[:=> Show Contents <=:]



MICROCONTROLLER BASED AUTOMATIC RAILWAY GATE CONTROL full report


Posted by: project topics
Created at: Saturday 03rd of April 2010 01:43:46 PM
Last Edited Or Replied at :Thursday 10th of September 2015 04:48:08 AM
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its resistance remains at normal value. This change of resistance of LDR is used for sensing by the micro controller 89C51 by the use of compensation.
If there is no vehicle in between or beneath the gates, then the laser light from the source falls on the LDR since there is no obstacle. Since there is no vehicle or obstacle, signal is made GREEN for the train to pass through the gate. The same is applied for in the other direction and SG3 and SG4 are made GREEN and gates are closed.
Due to some unavoidable circumstances, if there is a sudden breakdown of a vehicle between the gate, then th..................[:=> Show Contents <=:]



Automatic Railway Gate Controller Using Stepper Motor full report


Posted by: project report tiger
Created at: Tuesday 02nd of February 2010 02:06:03 AM
Last Edited Or Replied at :Thursday 08th of March 2012 09:55:10 PM
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ut common-mode voltage range includes ground and the output voltage can also swing to ground, even though operated from only a single power supply voltage. The unity gain crossover frequency and the input bias current are temperature-compensated.
Applications:
¢ In Transducer amplifiers.
¢ DC amplification blocks and conventional operations.
24
CHAPTER 6
LIGHT DEPENDENT RESISTOR

25
LIGHT DEPENDENT RESISTOR
6.1 Description:
This practical is about using a light dependent resistor (LDR) as a sensor. The LDR must be part of a voltage divider circuit in order to give an out..................[:=> Show Contents <=:]



avoid railway accidents at unattended railway gates using 8051 microcontroller


Posted by: computer science technology
Created at: Friday 22nd of January 2010 02:43:36 PM
Last Edited Or Replied at :Wednesday 18th of January 2012 10:16:00 PM
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site direction and gate opens and motor stops. Buzzer will immediately sound at the fore side receiver activation and gate will close after 5 seconds, so giving time to drivers to clear gate area in order to avoid trapping between the gates and stop sound after the train has crossed.
The same principle is applied for track switching. Considering a situation wherein an express train and a local train are traveling in opposite directions on the same track; the express train is allowed to travel on the same track and the local train has to switch on to the other track. Two sensors are placed at ..................[:=> Show Contents <=:]



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