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Figure 3 | Journal of NeuroEngineering and Rehabilitation

Figure 3

From: Development of a biomechanical energy harvester

Figure 3

The simulated device reaction torque, efficiency and generated electrical power depend on the transmission gear ratio and the external electrical load. A) A contour plot of simulated device reaction torque at different combinations of gear ratio and external load. Each curve is an iso-reaction torque line with the number on the curve illustrating the torque in Nm. The target reaction torque of 7 Nm is illustrated with a thicker line. B) Simulated device mechanical to electrical efficiency at the target reaction torque achieved through different combinations of gear ratio and external load. C) The electrical power generated by the simulated device at the target reaction torque achieved through different combinations of gear ratio and external load. The vertical grey line illustrates the gear ratio used in our current design.

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