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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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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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manufacture.
It also provides smooth drive and torque characteristics from starting to the designed peak condition.
4.2 NEED ANALYSIS
There is a great demand of escalator by the society in todayâ„¢s world of growing technology. it offers many advantages like
1. It is very useful in the multistorage building.
2. Escalator are used to move pedestrian traffic in places where elevators would be impracticle
4.3 CUSTOMER REQUIREMENTS
1. Power consumption should be minimum.
2 Escalator running should be smoothly.
3. Handrail should be given for the support of passenger.
4. Surface o..................[:=> 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 ..................[:=> 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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he 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 the train direction as Ëœforeside sensorâ„¢ and the other 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 w..................[:=> 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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compared to the manually operated gates since the gate is closed depending upon the telephone call from the previous station. Also reliability is high as it is not subjected to manual errors.
SCHEMATIC UTLAY F AUTOMATIC
RAILWAY GATE CONTROL
SG1 SG2
H 8 B d
” SG4 SG3
ra tn ack
\1 1 4 B (J)
road
MICRO CONTROLLER 89C51 R 3 [R 2
R1 & R2 Sensors on the track, placed at about 5 km from the gate
to detect the train arrival on either directions.
R3 & R4 Sensors on the track, placed at about 1 km from the gate
to detect the train departure on either directions.
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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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, e.g. silicon. In intrinsic devices the only available electrons are in the valence band, and hence the photon must have enough energy to excite the electron across the entire band gap. Extrinsic devices have impurities, also called do pants, and added whose ground state energy is closer to the conduction band; since the electrons do not have as far to jump, lower energy photons (i.e., longer wavelengths and lower frequencies) are sufficient to trigger the device. If a sample of silicon has some of its atoms replaced by phosphorus atoms (impurities), there will be extra electrons available fo..................[:=> 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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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 the either sides of the junction where the track switches. If thereâ„¢s a train approaching from the other side, then another sensor placed along that direction gets activated and will send an interrupt to the controller. The interrupt service routine switches the track. Indicator lights have been provided to avoid collisions. Here the switching operation is performed using..................[:=> 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 ra..................[:=> Show Contents <=:]



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