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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 survey of automatic railw..................[:=> 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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stations. With the automatic device referred to speed is increased in accordance with the number of passengers.
2.2 CONCLUSION
Certain of these preliminary models show the prospect of sizable cost savings, predominantly as a result of staff reductions. According to the Building Use Task Force, savings resulting from mothballing building(s) are judged to be minor, and transportation-related savings are reported by the Transportation Task Force to be non-existent.
CHAPTER-3
3.0 METHODOLOGY
In this chapter we have followed the procedure of creative engineering design. The following steps..................[:=> 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 th..................[:=> 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 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 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 sid..................[:=> 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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light does not strike LDR 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 ..................[:=> 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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LDR.Then connect this voltage output to a ADC via a simple non-inverting op-amp amplifier and connect the ADC to the Microcontroller.
Applications:
¢ Camera light meters, street lights, clock radios, alarms, and outdoor clocks.
¢ They are also used in so dynamic compressors together with a small incandescent lamp or light emitting diode to control gain reduction.
¢ Lead sulfide and Idiam sulfide LDRs are used for the mid infrared spectral region.Ge: Cu photoconductors are among the best far-infrared detectors available, and are used for infrared astronomy and infrared spectroscop..................[:=> 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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n 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 track switching. Considering a situatio..................[:=> 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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