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Autonomous Fire Extinguishing Robot for Residential Safety

This project focuses on designing a robot capable of autonomously locating and extinguishing fires in residential areas. Upon being alerted by a fire alarm, the robot utilizes various sensors, such as omnidirectional microphones, UV sensors, and ultrasonic distance sensors, to navigate and detect fires. The system features skid steering for mobility and employs a computer fan to extinguish flames. With rechargeable power sources and a sophisticated navigation algorithm, this innovative design aims to enhance safety and response times in emergency situations.

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Autonomous Fire Extinguishing Robot for Residential Safety

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Presentation Transcript

  1. Team ί Burning Equalizer • Josh Lothian • Adam Stanton

  2. The purpose of this project is to design a robot that can autonomously locate and extinguish a randomly placed fire in a residential environment when alerted by a fire alarm. Problem Statement

  3. Omnidirectional Electret Microphone • Low Power Tone Decoder (LMC567) • PING)))™ Ultrasonic Distance Sensor • Wall Follower, preferentially turning right • Skid steering using tank treads • Tamiya Twin Motor Gearbox • UV sensor (to detect fire) • UVTRON R9495 • UVTRON C10423 • Computer fan (to extinguish fire) • 12V 1600mAH Rechargeable power supply • Ni-CD and NiMH Universal Battery Connector • Bumper Switches Our Solution

  4. System Diagram Top view (sensors) Top view (motors & fan) Ultrasonic Sensors UV Sensor w/ shield Line Sensor Fan DC motor gearbox

  5. Arena Navigation 1 Return Path 4 Search Alcove From Entry – Rotate 180° 6 2 5 3 Move Forward 8 7 Rotate 90° CW Rotate 90° CCW

  6. Avoiding Obstacles

  7. Activation State Diagram Pull in

  8. Extinguishing Fire State Diagram

  9. Navigation State Diagram

  10. Code: Determining Distance from PING Sensor

  11. UVTRON Output Waveform The closer the sensor is to the source of the flame, the shorter time interval between pulses.

  12. Component Supply Voltages and Currents Battery Pack charge amount = 1600mAH

  13. Modified Microphone, Filter and LMC567 Electrical Diagram

  14. Parts List

  15. Questions?

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