Table 6.
MEMS gyroscope temperature compensation test result.
| Temperature °C |
Scale Factor Value mV/(°/s) |
Bias Value °/s |
||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Before Compensation | After Compensation | Before Compensation | After Compensation | |||||||
| Test 1 | Test 2 | Test 3 | Average | Test 1 | Test 2 | Test 3 | Average | |||
| 60 | 7.1185 | 8.7110 | 8.7203 | 8.7300 | 8.7204 | 101.73 | 22.31 | 22.32 | 22.32 | 22.31 |
| 40 | 7.1731 | 8.8202 | 8.8220 | 8.8111 | 8.8178 | 102.32 | 22.26 | 22.28 | 22.28 | 22.27 |
| 20 | 7.1995 | 8.8160 | 8.8010 | 8.8302 | 8.8157 | 102.72 | 22.49 | 22.49 | 22.49 | 22.49 |
| 0 | 7.2417 | 8.7504 | 8.7903 | 8.7730 | 8.7712 | 103.49 | 22.69 | 22.70 | 22.71 | 22.70 |
| −20 | 7.3156 | 8.7231 | 8.7208 | 8.7213 | 8.7217 | 104.43 | 22.66 | 22.69 | 22.70 | 22.68 |
| −40 | 7.3805 | 8.6911 | 8.6811 | 8.6705 | 8.6809 | 105.68 | 22.41 | 22.43 | 22.44 | 22.42 |
| Variation | 3.680% | 1.485% | 1.623% | 1.842% | 1.577% | 3.880% | 1.914% | 1.868% | 1.912% | 1.913% |
| Bias Stability (°/h) | 29.52 | 16.05 | 15.59 | 16.21 | 15.95 | |||||
| Angular Rate Walking (°/h/√Hz) | 1.43 | 1.19 | 1.24 | 1.18 | 1.20 | |||||