Books by Steven Kay look pretty good. | optimal_estimation.pdf (best for Kalman apparently) |
Kalman filtering tutorial (Texas Robotics Club): https://www.youtube.com/watch?v=18TKA-YWhX0
Greg Czerniak's Website: http://greg.czerniak.info/guides/kalman1/
Kalman Filter For Dummies: http://bilgin.esme.org/BitsBytes/KalmanFilterforDummies.aspx
filter.pdf and StackOverflow thread
These are some good Kalman filter references (the first is probably the best):
You are thinking of Nat Storer. I believe he was (maybe still is) doing the ECE minor in audio engineering. He has been doing fantastic work on the drone.