Research Article
Error Correction of Measured Unstructured Road Profiles Based on Accelerometer and Gyroscope Data
Table 1
Correlation coefficients between road profiles and gyro attitudes.
| Correlation coefficients | Roll | Pitch | Yaw |
| Original signal ( Hz) | | | | Left road profile | −0.4518 | 0.7421 | 0.1886 | Right road profile | 0.5677 | 0.7943 | 0.1933 | High frequency signal ( Hz) | | | | Left road profile | 0.0610 | 0.0037 | −0.0114 | Right road profile | −0.0531 | 0.0069 | 0.0184 | Low frequency signal () | | | | Left road profile | −0.4905 | 0.7765 | 0.2169 | Right road profile | 0.5919 | 0.8201 | 0.2181 |
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