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MAPPER: A Perfectly Portable Exploration Robot

MAPPER: A Perfectly Portable Exploration Robot. Rohan Balakrishnan (CSE)  Conan Jen  (EE) Andrew Lok (EE) Jonathan Tang (EE). Brief overview of our project. The problem that we are addressing. Our implementation of the solution. Cost break-down What we plan for demo day.  Demonstration.

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MAPPER: A Perfectly Portable Exploration Robot

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  1. MAPPER: A Perfectly Portable Exploration Robot Rohan Balakrishnan (CSE)  Conan Jen  (EE) Andrew Lok (EE) Jonathan Tang (EE)

  2. Brief overview of our project. • The problem that we are addressing. • Our implementation of the solution. • Cost break-down • What we plan for demo day.  • Demonstration Overview of Presentation

  3. Reconnaissance is always important for the military and search and rescue teams. • With importance of human lives, robots are a perfect replacement. • Solution would be something small, and expendable.   The Problem

  4. Robotic platform capturing information about its surroundings • Wireless communication link will transfer data back to PDA or laptop • Transferred data is then used to construct a 2-D bird's eye view of the environment Our Solution

  5. CDR Specifications Specs met are in bold Scan scope: 20'x20' indoor room Method: Ultrasonic sensor mounted on stepper motor for 360 degree rotation Scan time: 5-15 mins (to complete 20'x20' room) Minimum detectable obstruction size: 1'x1' Wireless communications: 100+ ft Weight: 1-2lbs Expected Battery Life: 10 rooms per charge

  6. Flow chart of system

  7. Power • Hello

  8. PCB Layout

  9. Picture of robot 3.7'' diameter Min Operating Voltage: 3V Max Operating Voltage: 7V Powered by: AAA batteries (x4)

  10. Movement Initial concerns were going straight Had issues with both DC motors outputting the same Found that motor 1 has problems with speeds from 0-30 Added a digital compass to our system  Found method of calibrating and correcting heading

  11. How do we expect to demo? • Small model room with a few objects in it • A laptop set up for the GUI Demo Day

  12. Demo

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