Effect of East Gyro Drift and Initial Azimuth Error on the Compass Azimuth Alignment Convergence Time

Table 5

Convergence times for different T_d and different gyro constant drifts.

Gyro drift (°/h)	Td (s)	200	300	400	500
0.04	Convergence time (s)	170	255	341	426
	Ratio	0.85	0.85	0.85	0.85
0.03	Convergence time (s)	158	238	317	396
	Ratio	0.79	0.79	0.79	0.79
0.02	Convergence time (s)	101	152	203	254
	Ratio	0.51	0.51	0.51	0.51
0.01	Convergence time (s)	93	139	186	232
	Ratio	0.47	0.46	0.47	0.46