L. E. Torfason

Papers

Total Citations

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About

L. E. Torfason’s research centers on robotic manipulation and parallel kinematic mechanisms, with a particular focus on dexterous grasping and modular joint design. His most cited work, “A Three-Fingered Pantograph Manipulator—A Kinematic Study” (1987, 12 citations), establishes foundational kinematic principles for an algorithmically simple three-fingered robot attachment capable of precise object grasping and manipulation. The study introduces a novel fingertip design that accurately determines grasping points, supported by a swiveling pantograph geometry. Torfason further advances robot design in “Computer simulation and design of a three degree-of-freedom shoulder module” (1989, 2 citations), presenting an in-depth kinematic analysis of a fully-parallel robotic shoulder. This work systematically determines optimal link dimensions to maximize workspace while achieving favorable input-to-output velocity and torque amplification. Though modest in citation counts, Torfason’s contributions are notable for their algorithmic simplicity and practical design insights, offering foundational geometry and simulation-driven approaches that inform subsequent work in parallel manipulators and robotic grasping. His research remains relevant for students and engineers exploring compact, efficient robotic end-effectors and joint modules.