Research Article

Evaluation of Matrix Square Root Operations for UKF within a UAV GPS/INS Sensor Fusion Application

Table 2

Inertial measurement unit (IMU) specifications.

Inertial measurement unit (IMU)Crossbow VG400CA-200/VG400CC-200Crossbow DMU(VG400)-100Analog devices ADIS-16405

Resolution16-bit16-bit14-bit
Rate gyroscope sensitivity±200°/s±100°/s±150°/s
Accelerometer sensitivity±10 g±8 g±18 g
Rate gyroscope random walk1.7°/h1/20.85°/h1/22.0°/h1/2
Accelerometer random walk0.5 m/s/h1/20.1 m/s/h1/20.2 m/s/h1/2