Research Article

High-Accuracy and Low-Cost Attitude Measurement Unit of the CubeSat

Table 7

RMSE and MAE of estimation error of gyro biases.

Attitude estimation layoutsDecentralized layoutFUKF with two STRFEKF with three STR
Evaluation index

RMSE (°/s)0.003210.002950.00389
MAE (°/s)0.002490.002170.00315

RMSE (°/s)0.002830.002770.00396
MAE (°/s)0.002260.002160.00323

RMSE (°/s)0.002840.002840.00329
MAE (°/s)0.002340.002320.00259