SPMSM Sliding Mode Control Based on the New Super Twisting Algorithm

Table 2

SPMSM system performance.

Result	PI	SMC1	SMC2	STA-SMC	NSTA-SMC	Unit
Response time	0.18	0.1215	0.1215	0.0225	0.01175	s
Regulation time 1	0.18	0.1	0.1	0.06	0.06	s
Regulation time 2	0.18	0.095	0.095	0.03	0.03	s
Regulation time 3	0.18	0.09	0.09	0.057	0.057	s
Start overshoot	127.5	132.55	33.65	1	0.75	rpm
Load overshoot	92	61.75	48.82	44.7	21.5	rpm
Speed change overshoot	33.5	0	0	2.6	1.76	rpm
Unload overshoot	82	52	40.6	39.4	17.4	rpm
Speed tracking error	0.63	0.28	0.44	0.235	0.135	rpm