Suppression Method of Jump Points for Multipole Magnetic Encoder at Low Temperature Based on Single-Pole Angle Value Fitting

Table 1

Without the method proposed in this paper.

Temperature point	Jump points occur with forward rotation	Jump points occur with reverse rotation	Rotor speed
25°C	0	0	25°/s
-10°C (cool down)	2	3	25°/s
-20°C (cool down)	4	4	25°/s
-40°C (cool down)	5	5	25°/s
-20°C (warming up)	3	4	25°/s
-10°C (warming up)	2	2	25°/s
25°C (warming up)	0	0	25°/s