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Published byAdelia Gilmore Modified over 9 years ago
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Radiation Level Mapping Using An Unmanned Aerial Vehicle Reducing Human Exposure in Dangerous Environments
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System Block Diagram
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UAV Platform Gaui Quadrocoptor – High lift capacity Large battery for extended range Can carry Geiger counter – Uses Ardupilot Open source Easy to integrate custom sensors
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Ardupilot Wireless Telemetry using Xbee Serial Communication with Geiger counter circuit Gain tuning for project specific airframes
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Geiger Counter Geiger-Muller tube to detect radiation Analog circuitry to filter signal – Single pole low pass filter
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Cortex-M0 Precise time base for Geiger counts Offload some of the responsibility from the Ardupilot Fully interrupt driven Buffered counter – Reduce spikes – Ability to measure background radiation levels
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KML Writer Record data from Quadrocopter GPS and Geiger counter while in flight Generate map of flight path and Radiation levels
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Problems and Deviations from Original Plan No obstacle avoidance – Reduced the scope of project in order to complete other goals Crashes – Airframe breakage & rebuild – Circuitry damage & replacement
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Special Thanks Andrew Karpenko – Loaned Xbee Modules Tom – Installaed necessary software on lab computers
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