Table 1.
Summary of this research compared with the prior arts in terms of sensitivity, signal-to-noise ratio (SNR), dynamic range, driving voltage, response time, and power consumption.
| Sensor System | Operating Voltage (V) | Power Consumption (W) | Response Time (sec) | Dynamic Range | Sensitivity (@ 0.5N) | SNR (dB) | Device Process |
|---|---|---|---|---|---|---|---|
| Triboelectric Based Sensing Method [27] | Self-Driven (~0 V) | <1 m | ~100 m | ~ 0.2 N to 10 N | ~600 mV | 45 | Low cost and simple |
| Humidity Based Measurement [16] | >5 V | ~20 m | ~700 m | —— | Low | —— | Low cost and complex |
| Optical Based Sensing Method [12,13] | >3 V | ~60 m | >1000 m | —— | Low | Low | Medium cost and complex |
| This Work | Self-Driven (~0 V) | ~600 µ | 50 m | > 50 mN | ~800 mV | >20 | Low cost and simple |