Mark L. Littlefield

About

Mark L. Littlefield is a pioneering figure in space robotics, with a career focused on developing intelligent robotic systems for extravehicular activity and autonomous operations in reduced gravity. His foundational work on the Extravehicular Activity Helper/Retriever (EVAHR) robot at NASA's Johnson Space Center established key principles for vision-based autonomous grasping in microgravity, a critical capability for future space station maintenance and satellite retrieval. Littlefield's research on adaptive object tracking using range images for free-flying space robots introduced novel methods for real-time identification and velocity estimation of objects in cluttered, three-dimensional environments. His 1992 paper on vision-based grasping within NASA's Reduced Gravity Program (7 citations) and subsequent work on intelligent space robots for crew assistance (6 citations) laid the groundwork for autonomous rendezvous and capture technologies. Littlefield's contributions to adaptive tracking algorithms for mobile robots (5 citations) demonstrated how range imaging could enable robust object following despite changing lighting and orientation. His research remains influential in the development of autonomous space robots capable of assisting astronauts and retrieving equipment in orbit.

Research Focus

Key Achievements

Top Papers

1. 1
   <title>Experiment in vision-based autonomous grasping within a reduced gravity environment</title>

   7 citations · 1992
2. 2
   An intelligent space robot for crew help and crew and equipment retrieval

   6 citations · 1995
3. 3
   <title>Adaptive tracking of objects for a mobile robot using range images</title>

   5 citations · 1992

Key Collaborators

Contact & Links