Tracy has retired!
Image: GPS World

About Evan T. Dill

rss feed

Evan T. Dill is a research scientist in the Safety Critical Avionics Systems Branch at NASA Langley Research Center. He received his Ph.D. in electrical engineering from Ohio University.

Posts by Evan T. Dill

Outdoor-to-indoor UAV: GPS/optical/inertial integration for 3D navigation Posted on 11 Oct 2017 in the Featured Stories & UAV/UGV categories.

When a platform’s mission requires maneuvering among different environments, transitions between these environments may mean that a single method cannot solve the full positioning, navigation and mapping problem. This article describes an integrated navigation and mapping design using a GPS receiver, an inertial measurement unit, a monocular digital camera and three short-to-medium range laser scanners. Read more»