Design and Analysis of a Novel Speed-Changing Wheel Hub with an Integrated Electric Motor for Electric Bicycles

<table class="table-group" width="800px"><tr class="fig-image" id="a"><td><img alt="369504.fig.001a" src="https://static.hindawi.com/articles/mpe/volume-2013/369504/figures/369504.fig.001a.jpg"/></td></tr><tr class="fig-caption"><td align="center"><table><tr><td><b>(a) </b>Exploded view</td></tr></table></td></tr><tr class="fig-image" id="b"><td><img alt="369504.fig.001b" src="https://static.hindawi.com/articles/mpe/volume-2013/369504/figures/369504.fig.001b.jpg"/></td></tr><tr class="fig-caption"><td align="center"><table><tr><td><b>(b) </b>Cutaway view</td></tr></table></td></tr><tr class="fig-image" id="c"><td><img alt="369504.fig.001c" src="https://static.hindawi.com/articles/mpe/volume-2013/369504/figures/369504.fig.001c.jpg"/></td></tr><tr class="fig-caption"><td align="center"><table><tr><td><b>(c) </b>Longitudinal sectional view</td></tr></table></td></tr></table>

<table>A novel electromechanical device in which a three-speed wheel hub integrates with an exterior-rotor BLDC hub motor.</table>

Mathematical Problems in Engineering

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Figure 1

Figure 1: Design and Analysis of a Novel Speed-Changing Wheel Hub with an Integrated Electric Motor for Electric Bicycles 