In order to create a piezoelectric shoe, we needed to determine where the most pressure is applied while walking. This pressure map would be the input of our device, and determine the most optimal location to place the piezo crystals. Along with research, we conducted a short experiment to create a pressure map. We put a thin layer of red paint on a piece of card board, stepped on it, and then walked across a transparent plastic film. Thus, areas of low pressure left paint on the film, and areas of very high pressure would displace the paint to areas of less pressure. Two members of the group performed the experiment, taking 5 steps.
Figure 1: Results of first trial of feet pressure map experiment
This is the result after the first trial. As a result, the most optimal positions for the piezo crystals has been graphically determined.
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