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Intermittent energy harvesting devices often have difficulties in harvesting the peak energy generated due to battery power limitations, which increase the size and cost of the device. This paper discusses a power electronics module (PEM) that is used to extract power from a human energy harvesting device according to the user’s desired difficulty level while maximizing energy transfer into a battery...
In this paper, we present a new lower limb driven biomechanical energy harvester and its preliminary performance analysis. An estimate of the mechanical available power, estimated user felt resistance, and preliminary testing were conducted in this study. The estimated total available mechanical power and user felt resistance are based on the kinematic motion data and the mathematical model of the...
We recently developed a biomechanical energy harvester that generated substantial electricity during walking while requiring little extra effort. It took advantage of the fact that much of the displacement during walking occurs at body joints and harvested energy from knee motion. It selectively engaged power generation to assist the body in performing negative work, analogous to regenerative braking...
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