Graham M. Brooker

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Research into reactive collision avoidance for unmanned aerial vehicles has been conducted on unmanned terrestrial and mini aerial vehicles utilising active Doppler radar obstacle detection sensors. Flight tests conducted by flying a mini UAV at an obstacle have confirmed that a simple reactive collision avoidance algorithm enables aerial vehicles to(More)
Autonomous vehicle operations in outdoor environments challenge robotic perception. Construction, mining, agriculture, and planetary exploration environments are examples in which the presence of dust, fog, rain, changing illumination due to low sun angles, and lack of contrast can dramatically degrade conventional stereo and laser sensing. Nonetheless,(More)
• Autonomous driving is a challenging problem in outdoor environments. • In addition, field scenarios are often characterized by low visibility conditions (presence of dust, fog, rain, changing illumination conditions). an outdoor setting. • In this paper, we propose the use of millimeter-wave radar for scene understanding and autonomous navigation. o Radar(More)