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Abe commented on Abe's blog post State Estimation For Aggressive Flight Using Onboard Sensing
"The lidar is a Hokuyo UTM-30LX:

The details of the filter are in the paper... It's a hybrid between an Extended Kalman Filter and a Gaussian Particle Filter."
May 16, 2012
Abe posted a blog post
The video from our recent experiments with state estimation in GPS-Denied environments. The vehicle is localizing against a known map using a MEMs IMU and a 2D lidar scanner. There are more details in our paper:…
May 16, 2012
Abe commented on Mark Harrison's blog post Good way to make a quad blade guard?
"just ordered it directly from them..."
Mar 31, 2011
Abe commented on Mark Harrison's blog post Good way to make a quad blade guard?
"Those blade guards are actually manufactured and sold by ascending technologies.
The black pieces are carbon fiber rods, and the tan is fiberglass (3 peices glued together). The bottom and top part are machined out of a thicker materical to form…"
Mar 31, 2011
Abe posted a blog post
The Robust Robotics Group at MIT has developed a system that allows a quadrotor outfitted with a kinect sensor to fly autonomously in GPS-Denied environments, building a map of the environment.Unlike previous work, our system does NOT rely on…
Mar 29, 2011
Abe posted a discussion
Our lab is trying to develop an autopilot for a fixed wing UAV capable of flight in GPS denied environments (as a follow on to our work with the quadrotors, that's been highlighted on this site previously). We would like to continue using our intel…
Jul 1, 2010