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ECWAY TECHNOLOGIES 
IEEE PROJECTS & SOFTWARE DEVELOPMENTS 
IEEE PROJECTS & SOFTWARE DEVELOPMENTS 
OUR OFFICES @ CHENNAI / TRICHY / KARUR / ERODE / MADURAI / SALEM / COIMBATORE 
OUR OFFICES @ CHENNAI / TRICHY / KARUR / ERODE / MADURAI / SALEM / COIMBATORE 
BANGALORE / HYDRABAD 
BANGALORE / HYDRABAD 
CELL: 9894917187 | 875487 1111/2222/3333 | 8754872111 / 3111 / 4111 / 5111 / 6111 
CELL: 9894917187 | 875487 1111/2222/3333 | 8754872111 / 3111 / 4111 / 5111 / 6111 
Visit: www.ecwayprojects.com Mail to: ecwaytechnologies@gmail.com 
Visit: www.ecwayprojects.com Mail to: ecwaytechnologies@gmail.com 
ROBUST RAILWAYCRACK DETECTION SCHEME USING LED-LDR 
ASSEMBLY 
ABSTRACT 
The Transportation of train always depends on railway tracks (rails) only. If there is a 
crack in these rails, it creates a major problem. Most of the accidents in the train are caused due to 
cracks in the railway tracks, which cannot be easily identified. Also it takes more time to rectify 
this problem. In order to avoid this problem, we are using the crack detector robot, which detects 
the crack in the rails and gives an alarm. 
A robot is an apparently human automation, intelligent and obedient but impersonal 
machine. It is relatively, that robots have started to employ a degree of Artificial Intelligence (AI) 
in their work and many robots required human operators, or precise guidance throughout their 
missions. Slowly, robots are becoming more and more autonomous. 
This system involves the design of crack finding robot for finding cracks in railway 
tracks. This system uses controller for interfacing the robotic vehicle and crack detection sensor. 
The sensing device senses the voltage variations from the crack sensor and then it gives the signal 
to the microcontroller. The microcontroller checks the voltage variations between measured value 
and threshold value and controls the robot according to it. 
The robotic model is interfaced with the microcontroller with the help of SPDT relays 
and driver IC. If any crack occurs in the rail, the robot will be stopped and then an alarm will be 
raised. 
This project uses regulated 5V, 750mA power supply. 7805 three terminal voltage 
regulator is used for voltage regulation. Bridge type full wave rectifier is used to rectify the ac 
output of secondary of 230/18V step down transformer.
BLOCK DIAGRAM 
TRANSMITTER 
POWER SUPPLY 
RECEIVER
HARDWARE COMPONENTS 
1. CONTROLLER 
2. POWER SUPPLY 
3. Zigbee 
4. LDR-LED 
5. MAX 232 
6. ADC 
7. DC MOTOR 
ADVANTAGES 
1. It reduces the man power 
2. Crack detecting efficiency is high. 
3. Accuracy is high. 
APPLICATIONS 
1. Can be used for Railway Department.

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Robust railwaycrack detection scheme using led ldr assembly

  • 1. ECWAY TECHNOLOGIES IEEE PROJECTS & SOFTWARE DEVELOPMENTS IEEE PROJECTS & SOFTWARE DEVELOPMENTS OUR OFFICES @ CHENNAI / TRICHY / KARUR / ERODE / MADURAI / SALEM / COIMBATORE OUR OFFICES @ CHENNAI / TRICHY / KARUR / ERODE / MADURAI / SALEM / COIMBATORE BANGALORE / HYDRABAD BANGALORE / HYDRABAD CELL: 9894917187 | 875487 1111/2222/3333 | 8754872111 / 3111 / 4111 / 5111 / 6111 CELL: 9894917187 | 875487 1111/2222/3333 | 8754872111 / 3111 / 4111 / 5111 / 6111 Visit: www.ecwayprojects.com Mail to: ecwaytechnologies@gmail.com Visit: www.ecwayprojects.com Mail to: ecwaytechnologies@gmail.com ROBUST RAILWAYCRACK DETECTION SCHEME USING LED-LDR ASSEMBLY ABSTRACT The Transportation of train always depends on railway tracks (rails) only. If there is a crack in these rails, it creates a major problem. Most of the accidents in the train are caused due to cracks in the railway tracks, which cannot be easily identified. Also it takes more time to rectify this problem. In order to avoid this problem, we are using the crack detector robot, which detects the crack in the rails and gives an alarm. A robot is an apparently human automation, intelligent and obedient but impersonal machine. It is relatively, that robots have started to employ a degree of Artificial Intelligence (AI) in their work and many robots required human operators, or precise guidance throughout their missions. Slowly, robots are becoming more and more autonomous. This system involves the design of crack finding robot for finding cracks in railway tracks. This system uses controller for interfacing the robotic vehicle and crack detection sensor. The sensing device senses the voltage variations from the crack sensor and then it gives the signal to the microcontroller. The microcontroller checks the voltage variations between measured value and threshold value and controls the robot according to it. The robotic model is interfaced with the microcontroller with the help of SPDT relays and driver IC. If any crack occurs in the rail, the robot will be stopped and then an alarm will be raised. This project uses regulated 5V, 750mA power supply. 7805 three terminal voltage regulator is used for voltage regulation. Bridge type full wave rectifier is used to rectify the ac output of secondary of 230/18V step down transformer.
  • 2. BLOCK DIAGRAM TRANSMITTER POWER SUPPLY RECEIVER
  • 3. HARDWARE COMPONENTS 1. CONTROLLER 2. POWER SUPPLY 3. Zigbee 4. LDR-LED 5. MAX 232 6. ADC 7. DC MOTOR ADVANTAGES 1. It reduces the man power 2. Crack detecting efficiency is high. 3. Accuracy is high. APPLICATIONS 1. Can be used for Railway Department.