Ryan W. Sinnet

About

Ryan W. Sinnet is a leading figure in bipedal robotics and dynamic manipulation, whose work bridges theoretical control theory with real-world robotic applications. His foundational research on 3D bipedal robotic walking—detailed in his highly cited 2014 paper (324 citations) and its 2010 precursor (128 citations)—established key models and feedback control strategies that address open problems in humanoid locomotion. Sinnet contributed to the development of Valkyrie, NASA’s first bipedal humanoid robot (298 citations), a milestone in disaster-response robotics showcased at the DARPA Robotics Challenge. His human-inspired hybrid control approaches (43 and 27 citations) and geometric methods for 3D walking with knees and feet (26 citations) have advanced anthropomorphic gait design. More recently, Sinnet has applied his expertise to safety-critical manipulation, developing collision-free frameworks for food preparation (45 citations) and dynamic tasks like flipping burgers (14 citations). His bio-inspired feedback control work (11 citations) further demonstrates his ability to integrate human locomotion data into robotic systems. With over 900 total citations, Sinnet’s research continues to shape both the theory and practice of legged robotics and autonomous manipulation.

Research Focus

Key Achievements

Top Papers

1. 1
   Models, feedback control, and open problems of 3D bipedal robotic walking

   324 citations · 2014
2. 2
   Valkyrie: NASA's First Bipedal Humanoid Robot

   298 citations · 2015
3. 3
   3D Bipedal Robotic Walking: Models, Feedback Control, and Open Problems

   128 citations · 2010
4. 4
   Safety-Critical Manipulation for Collision-Free Food Preparation

   45 citations · 2022
5. 5
   A Human-Inspired Hybrid Control Approach to Bipedal Robotic Walking

   43 citations · 2011
6. 6
   2D bipedal walking with knees and feet: A hybrid control approach

   27 citations · 2009
7. 7
   3D bipedal walking with knees and feet: A hybrid geometric approach

   26 citations · 2009
8. 8
   Direct Collocation for Dynamic Behaviors With Nonprehensile Contacts: Application to Flipping Burgers

   14 citations · 2018
9. 9
   A human-inspired framework for bipedal robotic walking design

   14 citations · 2014
10. 10
    Bio-Inspired Feedback Control of Three-Dimensional Humanlike Bipedal Robots

    11 citations · 2012

Key Collaborators

Contact & Links