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RISSingularity Analysis and Dimensional Synthesis of a 2R1T 3-UPU Parallel Mechanism Based on Performance Atlas
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: In this paper, a symmetric 3-UPU (U and P represent universal and prismatic joints, individually) parallel mechanism and its variant mechanism under different geometric and assembly conditions are analyzed. Both have two ...
A Passive Backpack Exoskeleton Based on a Four-Bar-Sinusoidal Coupled Mechanism for Centroid Regulation and Load Reduction
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Abstract. Excessive oscillation of the load centroid in the sagittal plane imposes impact and oscillatory force on the shoulders and back, contributing to upper-body muscle fatigue. To address this issue, this paper ...
Variable Pivot Gait Based a Novel Dynamics Correction Method for Human Lower Limbs Model
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The rationality of gait analysis directly affects the dynamics of human lower limbs in the sagittal plane, and recent studies on gait stage redivision lack the stage when both feet are not in complete contact with the ...