Research Article
MEMS Technology Sensors as a More Advantageous Technique for Measuring Foot Plantar Pressure and Balance in Humans
Table 1
Technical specifications of some existing sensors and 2 different MEMS proposals [
12].
| | Teksan | Novel | Parotec | MEMS [4] | Sensors 1 and 3 MPX2202A [13] | Sensors 2 and 4 MPX5999D [14] |
| Sensor size | 0.15 mm thick | 1.9 mm thick | 4 cm2 | 2 mm thick | 5.08–5.59 mm thick | 5.08–5.59 mm thick |
| Number of sensors | 960 | 99 | 24 | 15 | 1 | 1 |
| Range (kPa) | 1034 | 1200 | 625 | 3000 | 200 | 1000 |
| Frequency (Hz) | 500 | Not specified | 250 | 200 | Not specified | Not specified |
| Hysteresis | 24% | <7% | 0.05% at 20 Ncm−1 | Negligible | 0.1% | Accuracy of 2.5% taking into account linearity, temperature and pressure hysteresis, offset and span |
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