J. Kieffer
Papers
11
Total Citations
232
H-Index
6
About
J. Kieffer is a robotics and automation researcher whose work spans robot kinematics, motion planning, and active vision systems. He is perhaps best known for his foundational contributions to singularity analysis in robotic mechanisms, most notably his 1994 paper on differential analysis of bifurcations and isolated singularities — a general framework applicable to path tracking, redundant robot self-motion, and single-loop mechanism displacement analysis — which has garnered over 100 citations and remains a key reference in the field. His influential 1997 work on robust, time-optimal path-tracking control (66 citations) addressed a critical practical gap in trajectory planning by accounting for model imperfections and controller dynamics, proposing schemes that explicitly link planning to tracking accuracy. Kieffer further advanced optimal trajectory methods through dynamic programming approaches and closed-loop trajectory generation for computed-torque-controlled robots. Beyond motion planning, his research portfolio demonstrates notable breadth, encompassing real-time active vision platforms, robotic force/velocity control for unknown surface contours, water hydraulic robot design, and exploiting robot singularities for high-speed pick-and-place operations. Across these domains, Kieffer's work reflects a consistent drive to bridge theoretical rigor with practical robotic implementation.
Research Focus
Key Achievements
Top Papers
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- 3A High-Performance Camera Platform for Real-Time Active Vision17 citations · 1998
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- 7Closed-loop trajectory generation for robust time-optimal path tracking5 citations · 2002
- 8A water hydraulic robot2 citations · 2002
- 9Fast pick and place at robot singularities2 citations · 2002
- 10A multimodal approach to real-time active vision2 citations · 2002