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1. COAL MINING SAFETY
ROBOT
TO ENHANCE THE COAL MINING SAFETY

2. PROBLEM STATEMENT
• Coal mining sites are particularly hazardous, with frequent accidents and
fatalities. Despite recent advancements in technology, human workers are still
required to perform dangerous tasks in harsh and unpredictable conditions,
leading to an urgent need for a coal mining safety robot.

3. OBJECTIVES:
• The main objective of this project is to design a robot to detect toxic gases.
• To detect and monitor the level of temperature and humidity inside a coal
mine.
• Detect any fire inside the coal mine and extinguish it.
• Gases such as CO, CO2 & CH4 are harmful to human.
• To improve safety of workers

4. DEMONSTRATION
Coal mining safety robot mainly contains;
 Bluetooth module,
 Motor module,
 Gas sensor,
 Ultrasonic sensor.

5. COMPONENTS:
 Arduino uno,
 Motor 5v,
 Zigbee Tx and Rx,
 P55NF06 MOSFET,
 Humidity sensor,
 12v relay module,
 16 x 2 LCD
 12v battery,
 LM35 temperature sensor,
 Pump,
 MQ2 gas sensor.

6. BLOCK DIAGRAM

7. CIRCUIT DIAGRAM

8. MODULATION USED IN OUR
PROJECT
Digital Modulation Techniques such
as frequency-shift keying (FSK) or phase-
shift keying (PSK) are commonly used
modulation techniques in industrial
applications for signal transmission and
reception, including robotics.
• Uses Binary code tp transmit data and
can provide high data rates and low
error rates.

9. ADVANTAGES
• Improved security.
• Increased efficiency.
• Increased accuracy
• Remote operation
• Data collection

10. LIMITATIONS
• Sensor can be sense in limited range.
• It can control the movement of vehicle upto a certain range.
• They have limited mobility.
• Dependence on communication infrastructure.

11. POTENTIAL FEATURES
• Exploration and Mapping in Mines.
• Robots can be equipped with sensors to detect gases.
• Fire Detection and Suppression.
• Rescue Operations.
• Hazardous Material Handling.

12. CONCLUSION
As national coal mines become intelligent and the
unmanned strategy is gradually advanced, the coal mine safety
monitoring robot will play a greater role in the field of coal mine
safety inspection, and the technical development of coal mine
safety monitoring robot will change quickly.

13. - TEAM MEMBERS
Nantha kumar.R
Subash varun.V
THANK YOU