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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 automatic railway gate c..................[:=> 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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express train and a local train are travelling 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. Indicator lights have been provided to avoid collisions .Here the switching operation is performed using a stepper motor. In practical purposes this can be achieved using electromagnets.
Track Switching
Hardware Description
The project consists of four main parts:
1. 8051 microcontroller
2. IR Transmitter
3. IR Receiver
4. Stepper Motor Circuit
8051 Microcontroller
The I/O ports of th..................[:=> 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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ETAIL DESIGN
In design of a gear drive, the following data is usually given:
1. The Power to be Transmitted
2. The speed of the driving gear
3. The speed of the driven gear or the velocity ratio
4. The centre distance
Designing of gear
(1) rpm =1440 , power = 5h.p
T = TORQUE TRANSMITTED BY SHAFT
T= P*60\2*3.14*1440=24.7NM
(2) MODULE AND FACE WIDTH OF GEAR
V.R. = N1\N2= 1440\200=7.2
LET Dp=PITCH CIRCLE DIA OF PINION ON THE MOTOR SHAFT
Dg= PITCH CIRCLE DIA OF GEAR ON THE MAIN shaft
Let distance between the shaft
L=500mm
500=dp\2+dg\2
Dp+dg=1000
v.r.= dg\dp=7.2
dg=..................[:=> 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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wwant deta..................[:=> 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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munication can be done either by A.M or F.M. The more desirable way of communication is F.M. because F.M is less susceptible to outside interference and noise (e.g., thunderstorms, nearby machinery) than is A.M. Such noise generally affects the amplitude of a radio wave but not its frequency, so an F.M signal remains virtually unchanged. F.M is also better able to transmit sounds in stereo than A.M. 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 unat..................[:=> 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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etb sig2r
clr rsg5r
clr rsg6r
setb rsg5g setb rsg6g call delay call delay jmp mn
loop23: setb buzzer
setb sig3r setb sig2r
loop26: jnb ldr1,loop26
jnb ldr2,loop26 jnb ldr3,loop26 jnb ldr4,loop26
clr buzzer jmp loop24
gateopen: setb gateon
clr gateoff call delay clr gateon ret
gatecls: setb gateoff
clr gateon call delay clr gateoff ret
delay:
ji:
bala:
riju:
mov 50h,#04h mov 51h,#f0h mov 52h,#ffh
djnz 52h,riju
djnz 51h,bala djnz 50h,ji ret
dly: kr:
mov 53H,#50H djnz 53h,kr ret
LEVEL
FUTURE ENHANCEMENT:
This paper has satisfactorily fulfilled the basic things such as prev..................[:=> 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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a MOVX or MOVC instruction. Otherwise, the pin is weakly pulled high. Setting the ALE-disable bit has no effect if the micro controller is in external execution mode.
PSEN: Program Store Enable is the read strobe to external program memory. When the AT89C51 is executing code from external program memory, PSEN is activated twice each machine cycle, except that two PSEN activations are skipped during each access to external data memory.
EA/VPP: External Access Enable. EA must be strapped to GND in order to enable the device to fetch code from external program memory locations starting at 0000..................[:=> 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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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 track switching. Considering a situation wherein an express train and a lo..................[:=> Show Contents <=:]



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