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Although a lower extremity exoskeleton shows great prospect in the rehabilitation of the lower limb, it has not yet been widely applied to the clinical rehabilitation of the paralyzed. This is partly caused by insufficient information interactions between the paralyzed and existing exoskeleton that cannot meet the requirements of harmonious control. In this research, a bidirectional human–machine...
The speed of shear wave propagation in tissue is directly related to the tissue's shear modulus. Shear waves can be generated in tissue using focused, impulsive, acoustic radiation force excitations. Shear modulus reconstruction has typically been performed by monitoring shear wave propagation in regions that are spatially offset from the region of excitation (ROE), but such methods require greater...
To achieve ultrahigh precision dielectrophoretic (DEP) manipulation of carbon nanotubes (CNTs), a novel technique is investigated both theoretically and experimentally by shaping the local geometries of nanoelectrodes to control the electrohydrodynamic behavior of CNTs. Motion trajectories and positions of CNTs assembled on electrodes are predicted based on calculated DEP forces and torques. Both...
Sliding metal-on-metal wear experiments were conducted at the meso-scale within a controlled environment chamber to evaluate the influence of current density, polarity, and humidified gas on system wear behavior. A meso-scale friction tester (MFT) was modified by enclosing the apparatus with an environmental chamber used for introducing humidified gases. Additionally, a high capacity direct current...
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