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literature survey of automatic railway gate control


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Created at: Wednesday 30th of January 2013 10:25:33 AM
Last Edited Or Replied at :Wednesday 30th of January 2013 10:25:33 AM
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literature s..................[:=> 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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cases be located adjacent to the escalator if the escalator is the primary means of transport between floors. It may also be necessary to provide an elevator lift adjacent to an escalator for wheelchairs and disabled persons. Finally, consideration should be given to the aesthetics of the escalator. The architects and designers can choose from a wide range of styles and colors for the handrails and balustrades.
Safety
Safety is also major concern in escalator design. Fire protection of an escalator floor opening may be provided by adding automatic sprinklers or fireproof shutters to the ope..................[:=> 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 :Monday 06th of February 2012 10:12:53 PM
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wwant details regerding this proj..................[:=> 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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. Commercial 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 se..................[:=> 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 :Wednesday 09th of January 2013 04:22:43 AM
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l For Train:
When the path is clear inside the gate, GREEN signal is produced for the train when there is any obstacle, signal is made RED for the train in order to slow down its speed before 5 Km from the gate. Another signal placed at 180 m before the gate, when it is still RED when train approaches if then provisions if then provisions should be stop the train.
vi)Train Departure Detection:
Detection of train departure is also done using relay technique as explained under the head of train arrival detection. Train departure sensing is done by sensors R3 and R2 respectively considering 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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. Increase or decrease number of revolutions of it
3. Change its direction means rotate it clockwise or anticlockwise
To vary the RPM of motor we have to vary the PRF (Pulse Repetition Frequency). Number of applied pulses will vary number of rotations and last to change direction we have to change pulse sequence.
So all these three things just depends on applied pulses. Now there are three different modes to rotate this motor
1. Single coil excitation
2. Double coil excitation
3. half coil excitation
Unipolar stepper motors with six or eight wires may be driven using bipolar drivers by ..................[:=> 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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her 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 t..................[:=> Show Contents <=:]



unmanned railway gate


Posted by: Ahamed
Created at: Monday 01st of March 2010 08:19:57 AM
Last Edited Or Replied at :Monday 01st of March 2010 11:26:37 AM
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plz help to find ppts on the topic unmanned railwaygat..................[:=> Show Contents <=:]



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