[Retracted] Tiny Spherical Robot with a Magnetic Field-Based Interference Detection and Prevention Framework

Table 2

Approaching angle detected based on the designed angle.

Intended angle	−45	−30	0	30	45
Predicted angle	−45.8	−19.2	1.9	21.6	4.6.3
Typical error (%)	1.8	1.6	2.3	2.7	1.3
Increase error detection	3.2	2.5	3.4	2.8	2.2
Maximum error (%)	3.5	2.6	3.3	3.5	2.6