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An elastically-suspended backpack offers biomechanical benefits by reducing peak interaction force, joint loads and chances of potential injuries as shown in previous studies. But whether it will reduce metabolic cost of the carrier (compared with the stiffly-attached pack) depends on the relation between the natural frequency of the suspension and walking frequency. Yet, no quantitative method can...
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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