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A soft robot, which consists of multi-deformable spherical cells, is constructed. According to the deflating action and the inflating action of the spherical cells, the size and the shape of each spherical cell can be changed. Thus, the soft robot can move in a narrow complicated passage. In the paper, a modular soft robot is built. The nonlinear relationship between the inflation radius ( $$R)$$...
Wedge brakes, featuring self-amplification, inspire good opportunity to obtain large normal force by small actuation force. A single degree of freedom torsional model with harmonic excitation for a driveline with a wedge brake is developed to investigate the effect of velocity-dependent actuation force. The stability analysis indicates that instability can occur even with a constant friction coefficient...
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