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L. E. Torfason
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Proceedings Papers

Workspace Characteristics, Cusp Locations, and Boundary Crossing for General RRP Regional Structures of Manipulators

P. E. J. Riley, L. E. Torfason
Proc. ASME. DETC94, 23rd Biennial Mechanisms Conference: Robotics — Kinematics, Dynamics and Controls, 147-152, September 11–14, 1994
Paper No: DETC1994-0317
DOI: https://doi.org/10.1115/DETC1994-0317
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Topics: Manipulators, Optimization, Robots
Journal Articles

A Three-Fingered Pantograph Manipulator—A Kinematic Study

K. H. Hunt, L. E. Torfason
Journal: Journal of Mechanical Design
Article Type: Research Papers
J. Mech. Des. June 1987, 109(2): 171–177.
DOI: https://doi.org/10.1115/1.3267432
Published Online: June 1, 1987
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Topics: Kinematics, Manipulators, Design, Geometry, Grasping, Robots
Journal Articles

Analysis of Spatial RRGRR Mechanisms by the Method of Generated Surfaces

L. E. Torfason, A. K. Sharma
Journal: Journal of Manufacturing Science and Engineering
Article Type: Research Papers
J. Manuf. Sci. Eng. August 1973, 95(3): 704–708.
DOI: https://doi.org/10.1115/1.3438213
Published Online: August 1, 1973
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Journal Articles

Stereoscopic Drawings Made by Analog Computer of Three-Dimensional Surfaces Generated by Spatial Mechanism

L. E. Torfason, F. R. E. Crossley
Journal: Journal of Manufacturing Science and Engineering
Article Type: Research Papers
J. Manuf. Sci. Eng. February 1971, 93(1): 239–250.
DOI: https://doi.org/10.1115/1.3427882
Published Online: February 1, 1971
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Topics: Computers, Engineering drawings, Visualization
Journal Articles

The Intersections of Solids Shown by Electronic Analog for Mechanism Simulation

L. E. Torfason, F. R. E. Crossley
Journal: Journal of Manufacturing Science and Engineering
Article Type: Research Papers
J. Manuf. Sci. Eng. February 1971, 93(1): 17–26.
DOI: https://doi.org/10.1115/1.3427872
Published Online: February 1, 1971
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Topics: Simulation, Solids, Computers