Estimating Ground Inclination Using Strain Sensors with Fourier Series Representation
(a) Strain measurement setup. One strain gauge sensor is attached partly on the inside at the back and one partly on the inside at the front. Sensors and are attached at the corresponding positions but on the outside. (b) Measured ankle angle (stars) and force F (squares) relation to AFO strain sensor output. Estimated linear relations: solid () and dashed (F).
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