An Initial Alignment Technology of Shearer Inertial Navigation Positioning Based on a Fruit Fly-Optimized Kalman Filter Algorithm

Table 1

Optimal value of different algorithms.

Name	PSO	FOA	GFOA	IFOA
Ackley	0.440788	0.049512	0.017546	7.11^∗10^−15
Griewank	0.001394	9.29^∗10^−5	2.43^∗10^−5	3.33^∗10^−16
Zettl	0.013575	0.002592	0.001333	3.07^∗10^−11
Testtubeholder	−10.843774	−10.700662	−10.766711	−10.872299
Helicalvalley	6.926416	0.739871	0.679324	0.389474
Wood	1.777238	0.852053	1.414687	1.61^∗10^−4